desktop: Unescape backslashes

The desktop spec applies escaping to string values. Perform a primitive unescape.
cargo: Update lock
2025-04-08 11:53:05 +02:00 · 2025-04-08 11:51:15 +02:00 · 2025-03-20 16:57:58 +01:00 · 2025-02-27 17:42:09 +01:00 · 2025-02-27 17:41:08 +01:00 · 2025-02-27 17:40:56 +01:00
47 changed files with 5777 additions and 5755 deletions
@@ -4,6 +4,7 @@ packages:
  - libpulse
  - alsa-lib
  - fontconfig
  - libxkbcommon
 sources:
  - https://git.sr.ht/~kennylevinsen/wldash
 tasks:
@@ -1,2 +1 @@
 /target
 **/*.rs.bk
@@ -1,50 +1,43 @@
 [package]
 name = "wldash"
-version = "0.3.0"
+version = "0.2.0"
-authors = ["Kenny Levinsen <kl@kl.wtf>"]
+edition = "2024"
 edition = "2018"
 [profile.release]
 #debug = true
 lto = "fat"
 panic = "abort"
 opt-level = "z"
 [features]
-default = ["alsa-widget", "pulseaudio-widget", "yaml-cfg", "json-cfg"]
+default = ["fontconfig"]
 damage_debug = []
 yaml-cfg = ["serde_yaml"]
 json-cfg = ["serde_json"]
 alsa-widget = ["alsa"]
 pulseaudio-widget = ["libpulse-binding"]
 [dependencies]
-byteorder = "1.3"
+wayland-client = { version = "0.30", features = ["calloop", "log"] }
-bitflags = "1.0"
+wayland-protocols = { version = "0.30", features = ["client", "unstable", "staging"] }
-dlib = "0.4"
+wayland-protocols-wlr = { version = "0.1", features = ["client"] }
-rusttype = "^0.9"
+nix = "0.26" # 0.27 is breaking
 chrono = "0.4"
 nix = "0.16"
 memmap = "0.7"
-os_pipe = "0.9"
+fontconfig = { version = "0.8.0", optional = true }
-wayland-client = { version = "0.28"}
+rusttype = "0.9"
-wayland-protocols = { version = "0.28", features = ["client", "unstable_protocols"] }
+# fontdue = "0.7"
-dbus = "0.6"
+calloop = { version = "0.10" } # update breaks
 chrono = "0.4"
 walkdir = "2.4"
 unicode-segmentation = "1.10"
 fuzzy-matcher = "0.3"
-lazy_static = "1.4"
+shlex = "1.3"
-rcalc_lib = "0.9"
+
-rust-ini = "0.14"
+xkbcommon = { version = "0.8", features = ["wayland"] }
-shlex = "0.1"
+
-timerfd = "1.0.0"
+rcalc_lib = "1.0"
-walkdir = "2.3.2"
+
-itertools = "0.10.3"
+#alsa = { version = "0.7", optional = true }
 dbus = "0.9"
 libpulse-binding = "2.28"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = { version = "1.0", optional = true }
+serde_yaml = "0.9"
-serde_yaml = { version = "0.8", optional = true }
+simd-json = "0.13"
 libpulse-binding = { version = "2.22", optional = true }
 alsa = { version = "0.4.0", optional = true }
 fontconfig = "0.2.0"
 unicode-segmentation = "1.6.0"
@@ -6,6 +6,10 @@ A dashboard/launcher/control-panel thing for Wayland. Requires wlr-layer-shell-u
 Consider this alpha-quality: While it works, *everything* is subject to change with a moments notice. You may end up pulling in the latest changes, and *poof*, wldash suddenly turns into an artisan espresso machine.
 ## Rewrite note
 wldash has received a significant rewrite. The old version is available in the wldash1 branch for now.
 ## How to use
 1. Checkout: `git clone https://github.com/kennylevinsen/wldash`
@@ -13,9 +17,9 @@ Consider this alpha-quality: While it works, *everything* is subject to change w
 3. Put somewhere: `cp target/release/wldash /usr/local/bin/wldash`
 4. Run: `wldash`
-To see the default configuration, run `wldash print-config`. To configure, place a file in `$XDG_CONFIG_HOME/wldash/config.yaml` (or if `XDG_CONFIG_HOME` is not set, `~/.config/wldash/config.yaml`). JSON is also currently supported.
+To generate a new default configuration, run `wldash --write-default-config`. To configure, edit `$XDG_CONFIG_HOME/wldash/config.yml` (or if `XDG_CONFIG_HOME` is not set, `~/.config/wldash/config.yaml`).
-Notable settings: `outptuMode` can be `active` or `all`, `scale` can be set to `2` to half the buffer size, and the widgets (and their layout) can be configured.
+To regenerate the desktop file cache, run `wldash --desktop-refresh`.
 For more info, look in `src/config.rs`.
@@ -63,9 +67,6 @@ The launcher also accepts prefix operators to change its mode:
 ## Notable missing features:
 - Scaling of any kind - all sizes are currently hardcoded in pixels
 - Configurability
 - Cleanup and reorganization
 - Proper line editor for the launcher
 ## How to discuss
@@ -1,55 +0,0 @@
 {
 	"widget": {
 		"margin": {
 			"margins": [20,20,20,20],
 			"widget": {
 				"verticalLayout": [{
 					"horizontalLayout": [{
 						"margin": {
 							"margins": [0,88,0,32],
 							"widget": {
 								"verticalLayout": [
 									{"date": {"font_size": 64.0}},
 									{"clock": {"font_size": 256.0}}
 								]
 							}
 						}
 					},{
 						"verticalLayout": [{
 							"margin": {
 								"margins": [0,0,0,8],
 								"widget": {"battery": {"font_size": 24.0,"length": 600}}
 							}
 						},{
 							"margin": {
 								"margins": [0,0,0,8],
 								"widget": {"backlight": {"device": "intel_backlight", "font_size": 24.0,"length": 600}}
 							}
 						},{
 							"margin": {
 								"margins": [0,0,0,8],
 								"widget": {"pulseAudio": {"font_size": 24.0,"length": 600}}
 							}
 						}]
 					}
 				]},
 				{"calendar": {"font_size": 16.0,"sections": 3}},
 				{"launcher": {
 					"font_size": 32.0,
 					"length": 1200, 
 	            "app_opener": "swaymsg exec -- ",
 	            "term_opener": "foot --",
 	            "url_opener": "xdg-open "
 	         }}
 			]}
 		}
 	},
 	"outputMode": "active",
 	"scale": 1,
 	"background": {
 		"red": 0,
 		"green": 0,
 		"blue": 0,
 		"opacity": 0.9
 	}
 }
@@ -1,50 +0,0 @@
 outputMode: active
 scale: 1
 background:
  red: 0.0
  green: 0.0
  blue: 0.0
  opacity: 0.9
 widget:
  margin:
    margins: [20, 20, 20, 20]
    widget:
      verticalLayout:
        - horizontalLayout:
            - margin:
                margins: [0, 88, 0, 32]
                widget:
                  verticalLayout:
                    - date:
                        font_size: 64.0
                    - clock:
                        font_size: 256.0
            - verticalLayout:
                - margin:
                    margins: [0, 0, 0, 8]
                    widget:
                      battery:
                        font_size: 24.0
                        length: 600
                - margin:
                    margins: [0, 0, 0, 8]
                    widget:
                      backlight:
                        device: "intel_backlight"
                        font_size: 24.0
                        length: 600
                - margin:
                    margins: [0, 0, 0, 8]
                    widget:
                      pulseAudio:
                        font_size: 24.0
                        length: 600
        - calendar:
            font_size: 16.0
            sections: 3
        - launcher:
            font_size: 32.0
            length: 1200
            app_opener: "swaymsg exec --"
            term_opener: "foot --"
            url_opener: "xdg-open "
@@ -1,600 +0,0 @@
 use std::collections::VecDeque;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::mpsc::Sender;
 use std::sync::{Arc, Mutex};
 use chrono::{Duration, Local, NaiveDateTime};
 use crate::keyboard::{keysyms, map_keyboard, Event as KbEvent, KeyState, ModifiersState};
 use wayland_client::protocol::{wl_compositor, wl_output, wl_pointer, wl_seat, wl_shm, wl_surface};
 use wayland_client::{Display, EventQueue, GlobalEvent, GlobalManager, Main};
 use wayland_protocols::wlr::unstable::layer_shell::v1::client::{
    zwlr_layer_shell_v1, zwlr_layer_surface_v1,
 };
 use crate::buffer::Buffer;
 use crate::color::Color;
 use crate::widget::{DrawContext, WaitContext, Widget};
 use crate::cmd::Cmd;
 use crate::doublemempool::DoubleMemPool;
 #[derive(Debug)]
 pub enum OutputMode {
    Active,
    All,
 }
 struct AppInner {
    compositor: Option<Main<wl_compositor::WlCompositor>>,
    surfaces: Vec<Main<wl_surface::WlSurface>>,
    shell_surfaces: Vec<Main<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1>>,
    configured_surfaces: Arc<Mutex<usize>>,
    outputs: Vec<(u32, Main<wl_output::WlOutput>)>,
    shell: Option<Main<zwlr_layer_shell_v1::ZwlrLayerShellV1>>,
    draw_tx: Sender<Cmd>,
    output_mode: OutputMode,
    visible: bool,
    scale: u32,
 }
 impl AppInner {
    fn new(tx: Sender<Cmd>, output_mode: OutputMode, scale: u32) -> AppInner {
        AppInner {
            compositor: None,
            surfaces: Vec::new(),
            shell_surfaces: Vec::new(),
            configured_surfaces: Arc::new(Mutex::new(0)),
            outputs: Vec::new(),
            shell: None,
            draw_tx: tx,
            output_mode,
            visible: true,
            scale,
        }
    }
    fn add_shell_surface(
        compositor: &wl_compositor::WlCompositor,
        shell: &zwlr_layer_shell_v1::ZwlrLayerShellV1,
        scale: u32,
        configured_surfaces: Arc<Mutex<usize>>,
        tx: Sender<Cmd>,
        output: Option<&wl_output::WlOutput>,
    ) -> (
        Main<wl_surface::WlSurface>,
        Main<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1>,
    ) {
        let surface = compositor.create_surface();
        let this_is_stupid = AtomicBool::new(false);
        let shell_surface = shell.get_layer_surface(
            &surface,
            output,
            zwlr_layer_shell_v1::Layer::Overlay,
            "".to_string(),
        );
        shell_surface.quick_assign(move |layer, event, _| match event {
            zwlr_layer_surface_v1::Event::Configure { serial, .. } => {
                if this_is_stupid
                    .compare_exchange(false, true, Ordering::SeqCst, Ordering::SeqCst)
                    .is_ok()
                {
                    *(configured_surfaces.lock().unwrap()) += 1;
                    layer.ack_configure(serial);
                    tx.send(Cmd::ForceDraw).unwrap();
                }
            }
            _ => unreachable!(),
        });
        shell_surface.set_keyboard_interactivity(1);
        shell_surface.set_size(1, 1);
        surface.set_buffer_scale(scale as i32);
        surface.commit();
        (surface, shell_surface)
    }
    fn outputs_changed(&mut self) {
        let shell = match self.shell {
            Some(ref shell) => shell.to_owned(),
            None => return,
        };
        let compositor = match self.compositor {
            Some(ref c) => c.to_owned(),
            None => return,
        };
        for shell_surface in self.shell_surfaces.iter() {
            shell_surface.destroy();
        }
        for surface in self.surfaces.iter() {
            surface.destroy();
        }
        self.configured_surfaces = Arc::new(Mutex::new(0));
        if !self.visible {
            self.surfaces = Vec::new();
            self.shell_surfaces = Vec::new();
            return;
        }
        match self.output_mode {
            OutputMode::Active => {
                if !self.shell_surfaces.is_empty() {
                    return;
                }
                let (surface, shell_surface) = AppInner::add_shell_surface(
                    &compositor,
                    &shell,
                    self.scale,
                    self.configured_surfaces.clone(),
                    self.draw_tx.clone(),
                    None,
                );
                self.surfaces = vec![surface];
                self.shell_surfaces = vec![shell_surface];
            }
            OutputMode::All => {
                let mut surfaces = Vec::new();
                let mut shell_surfaces = Vec::new();
                for output in self.outputs.iter() {
                    let (surface, shell_surface) = AppInner::add_shell_surface(
                        &compositor,
                        &shell,
                        self.scale,
                        self.configured_surfaces.clone(),
                        self.draw_tx.clone(),
                        Some(&output.1),
                    );
                    surfaces.push(surface);
                    shell_surfaces.push(shell_surface);
                }
                self.surfaces = surfaces;
                self.shell_surfaces = shell_surfaces;
            }
        }
        self.draw_tx.send(Cmd::ForceDraw).unwrap();
    }
    fn add_output(&mut self, id: u32, output: Main<wl_output::WlOutput>) {
        self.outputs.push((id, output));
        self.outputs_changed();
    }
    fn remove_output(&mut self, id: u32) {
        let old_output = self.outputs.iter().find(|(output_id, _)| *output_id == id);
        if let Some(output) = old_output {
            let new_outputs = self
                .outputs
                .iter()
                .filter(|(output_id, _)| *output_id != id)
                .map(|(x, y)| (*x, y.clone()))
                .collect();
            if output.1.as_ref().version() >= 3 {
                output.1.release()
            }
            self.outputs = new_outputs;
            self.outputs_changed();
        }
    }
    fn set_compositor(&mut self, compositor: Option<Main<wl_compositor::WlCompositor>>) {
        self.compositor = compositor
    }
    fn set_shell(&mut self, shell: Option<Main<zwlr_layer_shell_v1::ZwlrLayerShellV1>>) {
        self.shell = shell
    }
 }
 struct AppKeyboard {
    current: Option<Cmd>,
    delay: i32,
    rate: i32,
    next: Option<NaiveDateTime>,
 }
 pub struct App<'a> {
    pools: DoubleMemPool,
    display: Display,
    event_queue: EventQueue,
    cmd_queue: Arc<Mutex<VecDeque<Cmd>>>,
    widget: Option<Box<dyn Widget + Send + 'a>>,
    bg: Color,
    inner: Arc<Mutex<AppInner>>,
    last_damage: Option<Vec<(i32, i32, i32, i32)>>,
    last_dim: (u32, u32),
    keyboard: Arc<Mutex<AppKeyboard>>,
 }
 impl<'a> App<'a> {
    pub fn redraw(&mut self, force: bool) -> Result<(), ::std::io::Error> {
        let widget = match self.widget {
            Some(ref mut widget) => widget,
            None => return Ok(()),
        };
        let inner = self.inner.lock().unwrap();
        let time = Local::now().naive_local();
        if !inner.visible
            || inner.shell_surfaces.len() != *inner.configured_surfaces.lock().unwrap()
            || inner.surfaces.is_empty()
        {
            // Not ready yet
            return Ok(());
        }
        let (last, pool) = match self.pools.pool() {
            Some((last, pool)) => (last, pool),
            None => {
                self.pools.never_mind();
                return Ok(());
            }
        };
        let size = widget.size();
        let size_changed = self.last_dim != size;
        let force = force | size_changed;
        // resize the pool if relevant
        pool.resize((4 * size.0 * size.1) as usize)
            .expect("Failed to resize the memory pool.");
        let mmap = pool.mmap();
        let mut buf = Buffer::new(mmap, size);
        // Copy old damage
        let force = match (force, &self.last_damage) {
            (false, Some(d)) => {
                let lastmmap = last.mmap();
                let last = Buffer::new(lastmmap, size);
                if cfg!(feature = "damage_debug") {
                    buf.memset(&Color::new(0.5, 0.75, 0.75, 1.0));
                }
                for d in d {
                    last.copy_to(&mut buf, d.clone());
                }
                false
            }
            _ => true,
        };
        if force {
            buf.memset(&self.bg);
        }
        let report = widget.draw(
            &mut DrawContext {
                buf: &mut buf,
                bg: &self.bg,
                time,
                force,
            },
            (0, 0),
            size,
        )?;
        mmap.flush().unwrap();
        if !force && !report.full_damage && report.damage.is_empty() {
            // Nothing to do
            self.pools.never_mind();
            return Ok(());
        }
        // get a buffer and attach it
        let new_buffer = pool.buffer(
            0,
            report.width as i32,
            report.height as i32,
            4 * size.0 as i32,
            wl_shm::Format::Argb8888,
        );
        if size_changed {
            for shell_surface in inner.shell_surfaces.iter() {
                shell_surface.set_size(size.0 / inner.scale, size.1 / inner.scale);
            }
        }
        for surface in inner.surfaces.iter() {
            surface.attach(Some(&new_buffer), 0, 0);
            if cfg!(feature = "damage_debug") || force || report.full_damage {
                surface.damage_buffer(0, 0, size.0 as i32, size.1 as i32);
            } else {
                for d in report.damage.iter() {
                    surface.damage_buffer(d.0, d.1, d.2, d.3);
                }
            }
            surface.commit();
        }
        self.last_damage = if force || report.full_damage {
            Some(vec![(0, 0, size.0 as i32, size.1 as i32)])
        } else {
            Some(report.damage)
        };
        self.last_dim = size;
        Ok(())
    }
    pub fn hide(&mut self) {
        let mut inner = self.inner.lock().unwrap();
        inner.visible = false;
        self.last_dim = (0, 0);
        inner.outputs_changed();
    }
    pub fn show(&mut self) {
        let mut inner = self.inner.lock().unwrap();
        inner.visible = true;
        self.last_dim = (0, 0);
        inner.outputs_changed();
    }
    pub fn cmd_queue(&self) -> Arc<Mutex<VecDeque<Cmd>>> {
        self.cmd_queue.clone()
    }
    pub fn flush_display(&mut self) {
        self.display.flush().expect("unable to flush display");
    }
    pub fn event_queue(&mut self) -> &mut EventQueue {
        &mut self.event_queue
    }
    pub fn get_widget(&mut self) -> &mut Box<dyn Widget + Send + 'a> {
        self.widget.as_mut().unwrap()
    }
    pub fn set_widget(&mut self, w: Box<dyn Widget + Send + 'a>) -> Result<(), ::std::io::Error> {
        self.widget = Some(w);
        self.redraw(true)
    }
    pub fn set_keyboard_repeat(&mut self, ctx: &mut WaitContext) {
        let kbd = self.keyboard.lock().unwrap();
        if let Some(t) = kbd.next {
            ctx.set_time(t);
        }
    }
    pub fn key_repeat(&mut self) -> Option<Cmd> {
        let time = Local::now().naive_local();
        let mut kbd = self.keyboard.lock().unwrap();
        if let Some(target) = kbd.next {
            if time >= target {
                let cmd = kbd.current.as_ref().unwrap().clone();
                kbd.next = Some(time + Duration::milliseconds(kbd.rate.into()));
                return Some(cmd);
            }
        }
        None
    }
    pub fn new(tx: Sender<Cmd>, output_mode: OutputMode, bg: Color, scale: u32) -> App<'a> {
        let inner = Arc::new(Mutex::new(AppInner::new(tx, output_mode, scale)));
        //
        // Set up modules
        //
        let cmd_queue = Arc::new(Mutex::new(VecDeque::new()));
        let display = Display::connect_to_env().unwrap();
        let mut event_queue = display.create_event_queue();
        let display_wrapper = (*display).clone().attach(event_queue.token());
        //
        // Set up global manager
        //
        let inner_global = inner.clone();
        let manager =
            GlobalManager::new_with_cb(&display_wrapper, move |event, registry, _| match event {
                GlobalEvent::New {
                    id,
                    ref interface,
                    version,
                } => {
                    if let "wl_output" = &interface[..] {
                        let output = registry.bind(std::cmp::min(version, 3), id);
                        inner_global.lock().unwrap().add_output(id, output);
                    }
                }
                GlobalEvent::Removed { id, ref interface } => {
                    if let "wl_output" = &interface[..] {
                        inner_global.lock().unwrap().remove_output(id);
                    }
                }
            });
        // double sync to retrieve the global list
        // and the globals metadata
        event_queue.sync_roundtrip(&mut (), |_, _, _| {}).unwrap();
        event_queue.sync_roundtrip(&mut (), |_, _, _| {}).unwrap();
        // wl_compositor
        let compositor = manager
            .instantiate_range(1, 4)
            .expect("server didn't advertise `wl_compositor`");
        inner.lock().unwrap().set_compositor(Some(compositor));
        // wl_shm
        let shm: Main<wl_shm::WlShm> = manager
            .instantiate_range(1, 1)
            .expect("server didn't advertise `wl_shm`");
        let pools = DoubleMemPool::new(shm).expect("Failed to create a memory pool !");
        //
        // Get our seat
        //
        let seat: Main<wl_seat::WlSeat> = manager.instantiate_range(1, 6).unwrap();
        event_queue.sync_roundtrip(&mut (), |_, _, _| {}).unwrap();
        //
        // Keyboard processing
        //
        let kbd_clone = cmd_queue.clone();
        let modifiers_state = Arc::new(Mutex::new(ModifiersState {
            ctrl: false,
            alt: false,
            shift: false,
            caps_lock: false,
            logo: false,
            num_lock: false,
        }));
        let keyboard = Arc::new(Mutex::new(AppKeyboard {
            current: None,
            delay: 0,
            rate: 0,
            next: None,
        }));
        let kb2 = keyboard.clone();
        map_keyboard(&seat, None, move |event: KbEvent, _, _| match event {
            KbEvent::Key {
                keysym,
                utf8,
                state,
                ..
            } => {
                if let KeyState::Pressed = state {
                    match keysym {
                        keysyms::XKB_KEY_Escape => kbd_clone.lock().unwrap().push_back(Cmd::Exit),
                        keysyms::XKB_KEY_c if modifiers_state.lock().unwrap().ctrl => {
                            kbd_clone.lock().unwrap().push_back(Cmd::Exit)
                        }
                        v => {
                            let ev = Cmd::Keyboard {
                                key: v,
                                key_state: state,
                                modifiers_state: *modifiers_state.lock().unwrap(),
                                interpreted: utf8,
                            };
                            let mut kbd = kb2.lock().unwrap();
                            kbd.current = Some(ev.clone());
                            kbd.next = if kbd.delay > 0 {
                                Some(
                                    Local::now().naive_local()
                                        + Duration::milliseconds(kbd.delay.into()),
                                )
                            } else {
                                None
                            };
                            drop(kbd);
                            kbd_clone.lock().unwrap().push_back(ev);
                        }
                    }
                } else {
                    kb2.lock().unwrap().next = None;
                }
            }
            KbEvent::Leave { .. } => {
                kb2.lock().unwrap().next = None;
            }
            KbEvent::RepeatInfo { delay, rate } => {
                let mut kbd = kb2.lock().unwrap();
                kbd.delay = delay;
                kbd.rate = rate;
            }
            KbEvent::Modifiers { modifiers } => *modifiers_state.lock().unwrap() = modifiers,
            _ => (),
        })
        .expect("could not map keyboard");
        //
        // Prepare shell so that we can create our shell surface
        //
        inner
            .lock()
            .unwrap()
            .set_shell(Some(if let Ok(layer) = manager.instantiate_exact(1) {
                layer
            } else {
                panic!("server didn't advertise `zwlr_layer_shell_v1`");
            }));
        event_queue.sync_roundtrip(&mut (), |_, _, _| {}).unwrap();
        //
        // Cursor processing
        //
        let pointer_clone = cmd_queue.clone();
        let pointer = seat.get_pointer();
        let mut pos: (u32, u32) = (0, 0);
        let mut vert_scroll: f64 = 0.0;
        let mut horiz_scroll: f64 = 0.0;
        let mut btn: u32 = 0;
        let mut btn_clicked = false;
        pointer.quick_assign(move |_, event, _| match event {
            wl_pointer::Event::Enter {
                surface_x,
                surface_y,
                ..
            } => {
                pos = (surface_x as u32, surface_y as u32);
            }
            wl_pointer::Event::Leave { .. } => {
                pos = (0, 0);
            }
            wl_pointer::Event::Motion {
                surface_x,
                surface_y,
                ..
            } => {
                pos = (surface_x as u32 * scale, surface_y as u32 * scale);
            }
            wl_pointer::Event::Axis { axis, value, .. } => {
                if axis == wl_pointer::Axis::VerticalScroll {
                    vert_scroll += value;
                }
            }
            wl_pointer::Event::Button { button, state, .. } => {
                if let wl_pointer::ButtonState::Released = state {
                    btn = button;
                    btn_clicked = true;
                }
            }
            wl_pointer::Event::Frame => {
                if vert_scroll != 0.0 || horiz_scroll != 0.0 {
                    pointer_clone.lock().unwrap().push_back(Cmd::MouseScroll {
                        scroll: (horiz_scroll, vert_scroll),
                        pos,
                    });
                    vert_scroll = 0.0;
                    horiz_scroll = 0.0;
                }
                if btn_clicked {
                    pointer_clone
                        .lock()
                        .unwrap()
                        .push_back(Cmd::MouseClick { btn, pos });
                    btn_clicked = false;
                }
            }
            _ => {}
        });
        display.flush().unwrap();
        App {
            display,
            event_queue,
            cmd_queue,
            pools,
            widget: None,
            bg,
            inner,
            last_damage: None,
            last_dim: (0, 0),
            keyboard,
        }
    }
 }
@@ -1,22 +1,205 @@
 use std::{
    ffi::CStr,
    fs::File,
    io,
    os::unix::io::{FromRawFd, RawFd},
    time::SystemTime,
    time::UNIX_EPOCH,
 };
 #[cfg(target_os = "linux")]
 use nix::sys::memfd;
 use nix::{
    errno::Errno,
    fcntl,
    sys::{mman, stat},
    unistd,
 };
 use memmap::MmapMut;
-use crate::color::Color;
+use wayland_client::{
    protocol::{wl_buffer, wl_shm, wl_shm_pool},
    Dispatch, QueueHandle,
 };
-pub struct Buffer<'a> {
+use crate::color::Color;
-    buf: &'a mut MmapMut,
+use crate::widgets::Geometry;
 fn create_shm_fd() -> io::Result<RawFd> {
    // Only try memfd on linux
    #[cfg(target_os = "linux")]
    loop {
        match memfd::memfd_create(
            CStr::from_bytes_with_nul(b"wldash\0").unwrap(),
            memfd::MemFdCreateFlag::MFD_CLOEXEC,
        ) {
            Ok(fd) => return Ok(fd),
            Err(Errno::EINTR) => continue,
            Err(Errno::ENOSYS) => break,
            Err(errno) => return Err(io::Error::from(errno)),
        }
    }
    // Fallback to using shm_open
    let sys_time = SystemTime::now();
    let mut mem_file_handle = format!(
        "/wldash-{}",
        sys_time.duration_since(UNIX_EPOCH).unwrap().subsec_nanos()
    );
    loop {
        match mman::shm_open(
            mem_file_handle.as_str(),
            fcntl::OFlag::O_CREAT
                | fcntl::OFlag::O_EXCL
                | fcntl::OFlag::O_RDWR
                | fcntl::OFlag::O_CLOEXEC,
            stat::Mode::S_IRUSR | stat::Mode::S_IWUSR,
        ) {
            Ok(fd) => match mman::shm_unlink(mem_file_handle.as_str()) {
                Ok(_) => return Ok(fd),
                Err(errno) => match unistd::close(fd) {
                    Ok(_) => return Err(io::Error::from(errno)),
                    Err(errno) => return Err(io::Error::from(errno)),
                },
            },
            Err(Errno::EEXIST) => {
                // If a file with that handle exists then change the handle
                mem_file_handle = format!(
                    "/wldash-{}",
                    sys_time.duration_since(UNIX_EPOCH).unwrap().subsec_nanos()
                );
                continue;
            }
            Err(Errno::EINTR) => continue,
            Err(errno) => return Err(io::Error::from(errno)),
        }
    }
 }
 pub struct ShmBuffer {
    pub file: File,
    pub mmap: MmapMut,
    pub buffer: wl_buffer::WlBuffer,
    pub refcnt: u32,
    pub id: u32,
    pub last_damage: Vec<Geometry>,
 }
 impl ShmBuffer {
    fn new<D>(
        shm: &wl_shm::WlShm,
        qh: &QueueHandle<D>,
        width: i32,
        height: i32,
        stride: i32,
        format: wl_shm::Format,
        id: u32,
    ) -> io::Result<ShmBuffer>
    where
        D: Dispatch<wl_shm_pool::WlShmPool, ()> + Dispatch<wl_buffer::WlBuffer, ()> + 'static,
    {
        let mem_fd = create_shm_fd()?;
        let file = unsafe { File::from_raw_fd(mem_fd) };
        file.set_len((height * stride) as u64)?;
        let pool = shm.create_pool(mem_fd, height * stride, &qh, ());
        let mmap = unsafe { MmapMut::map_mut(&file).unwrap() };
        let buffer = pool.create_buffer(0, width, height, stride, format, &qh, ());
        Ok(ShmBuffer {
            refcnt: 0,
            file,
            mmap,
            buffer,
            id,
            last_damage: Vec::new(),
        })
    }
    pub fn acquire(&mut self) {
        self.refcnt += 1;
    }
    pub fn release(&mut self) {
        self.refcnt -= 1;
    }
 }
 pub struct BufferManager {
    pub buffers: Vec<ShmBuffer>,
    pub next_id: u32,
 }
 impl BufferManager {
    pub fn new() -> BufferManager {
        BufferManager {
            buffers: Vec::new(),
            next_id: 0,
        }
    }
    pub fn clear_buffers(&mut self) {
        for buf in self.buffers.iter_mut() {
            buf.buffer.destroy()
        }
        self.buffers.clear()
    }
    pub fn next_buffer(&mut self) -> Option<&mut ShmBuffer> {
        for buf in self.buffers.iter_mut() {
            if buf.refcnt == 0 {
                return Some(buf);
            }
        }
        None
    }
    pub fn add_buffer<D>(
        &mut self,
        wl_shm: &wl_shm::WlShm,
        dimensions: (i32, i32),
        qh: &QueueHandle<D>,
    ) where
        D: Dispatch<wl_shm_pool::WlShmPool, ()> + Dispatch<wl_buffer::WlBuffer, ()> + 'static,
    {
        let mut buf = ShmBuffer::new(
            wl_shm,
            qh,
            dimensions.0,
            dimensions.1,
            dimensions.0 * 4,
            wl_shm::Format::Argb8888,
            self.next_id,
        )
        .expect("unable to add buffer");
        self.next_id += 1;
        BufferView::new(&mut buf.mmap, (dimensions.0 as u32, dimensions.1 as u32));
        self.buffers.push(buf);
    }
 }
 pub struct BufferView<'a> {
    view: &'a mut [u32],
    dimensions: (u32, u32),
    subdimensions: Option<(u32, u32, u32, u32)>,
 }
-impl<'a> Buffer<'a> {
+impl<'a> BufferView<'a> {
-    pub fn new(buf: &'a mut MmapMut, dimensions: (u32, u32)) -> Buffer {
+    pub fn new(buf: &'a mut MmapMut, dimensions: (u32, u32)) -> BufferView {
-        Buffer {
+        let view = unsafe {
-            buf,
+            std::slice::from_raw_parts_mut(
                buf.as_mut_ptr() as *mut u32,
                (dimensions.0 * dimensions.1) as usize,
            )
        };
        BufferView {
            view,
            dimensions,
            subdimensions: None,
        }
    }
    #[inline]
    pub fn get_bounds(&self) -> (u32, u32, u32, u32) {
        if let Some(subdim) = self.subdimensions {
            subdim
@@ -25,68 +208,20 @@ impl<'a> Buffer<'a> {
        }
    }
-    pub fn get_signed_bounds(&self) -> (i32, i32, i32, i32) {
+    pub fn subdimensions(&mut self, subdimensions: (u32, u32, u32, u32)) -> BufferView {
        if let Some(subdim) = self.subdimensions {
            (
                subdim.0 as i32,
                subdim.1 as i32,
                subdim.2 as i32,
                subdim.3 as i32,
            )
        } else {
            (0, 0, self.dimensions.0 as i32, self.dimensions.1 as i32)
        }
    }
    pub fn copy_to(&self, other: &mut Buffer, (x, y, width, height): (i32, i32, i32, i32)) {
        debug_assert!(self.dimensions == other.dimensions);
        debug_assert!(self.subdimensions.is_none() && other.subdimensions.is_none());
        if x == 0 && width as u32 == self.dimensions.0 {
            // Full-width copy
            let offset = y as isize * self.dimensions.0 as isize;
            let n = height as usize * self.dimensions.0 as usize;
            unsafe {
                std::ptr::copy(
                    (self.buf.as_ptr() as *const u32).offset(offset),
                    (other.buf.as_mut_ptr() as *mut u32).offset(offset),
                    n,
                );
            }
        } else {
            // Row-by-row copy
            for cur_y in y as isize..(y + height) as isize {
                let offset = x as isize + cur_y as isize * self.dimensions.0 as isize;
                unsafe {
                    std::ptr::copy(
                        (self.buf.as_ptr() as *const u32).offset(offset),
                        (other.buf.as_mut_ptr() as *mut u32).offset(offset),
                        width as usize,
                    );
                }
            }
        }
    }
    pub fn subdimensions(
        &mut self,
        subdimensions: (u32, u32, u32, u32),
    ) -> Result<Buffer, ::std::io::Error> {
        let bounds = self.get_bounds();
-        if subdimensions.0 + subdimensions.2 >= bounds.2
+        if cfg!(debug_assertions)
-            || subdimensions.1 + subdimensions.3 >= bounds.3
+            && (subdimensions.0 + subdimensions.2 > bounds.2
                || subdimensions.1 + subdimensions.3 > bounds.3)
        {
-            return Err(::std::io::Error::new(
+            panic!(
                ::std::io::ErrorKind::Other,
                format!(
                "cannot create subdimensions larger than buffer: {:?} > {:?}",
                subdimensions, bounds
-                ),
+            );
            ));
        }
-        Ok(Buffer {
+        BufferView {
-            buf: self.buf,
+            view: self.view,
            dimensions: self.dimensions,
            subdimensions: Some((
                subdimensions.0 + bounds.0,
@@ -94,23 +229,24 @@ impl<'a> Buffer<'a> {
                subdimensions.2,
                subdimensions.3,
            )),
-        })
+        }
    }
-    pub fn offset(&mut self, offset: (u32, u32)) -> Result<Buffer, ::std::io::Error> {
+    pub fn subgeometry(&mut self, geo: Geometry) -> BufferView {
        self.subdimensions((geo.x, geo.y, geo.width, geo.height))
    }
    pub fn offset(&mut self, offset: (u32, u32)) -> BufferView {
        let bounds = self.get_bounds();
-        if offset.0 > bounds.2 || offset.1 > bounds.3 {
+        if cfg!(debug_assertions) && (offset.0 > bounds.2 || offset.1 > bounds.3) {
-            return Err(::std::io::Error::new(
+            panic!(
                ::std::io::ErrorKind::Other,
                format!(
                "cannot create offset outside buffer: {:?} > {:?}",
                offset, bounds
-                ),
+            );
            ));
        }
-        Ok(Buffer {
+        BufferView {
-            buf: self.buf,
+            view: self.view,
            dimensions: self.dimensions,
            subdimensions: Some((
                offset.0 + bounds.0,
@@ -118,63 +254,42 @@ impl<'a> Buffer<'a> {
                bounds.2 - offset.0,
                bounds.3 - offset.1,
            )),
-        })
+        }
    }
-    pub fn memset(&mut self, c: &Color) {
+    pub fn memset(&mut self, c: Color) {
        if let Some(subdim) = self.subdimensions {
            unsafe {
                let ptr = self.buf.as_mut_ptr();
            for y in subdim.1..(subdim.1 + subdim.3) {
-                    for x in subdim.0..(subdim.0 + subdim.2) {
+                let start = (subdim.0 + y * self.dimensions.0) as usize;
-                        *((ptr as *mut u32).offset((x + y * self.dimensions.0) as isize)) =
+                let end = start + subdim.2 as usize;
-                            c.as_argb8888();
+                self.view[start..end].fill(c.0);
                    }
                }
            }
        } else {
-            unsafe {
+            self.view.fill(c.0);
                let ptr = self.buf.as_mut_ptr();
                for p in 0..(self.dimensions.0 * self.dimensions.1) {
                    *((ptr as *mut u32).offset(p as isize)) = c.as_argb8888();
                }
            }
        }
    }
-    pub fn put(&mut self, pos: (u32, u32), c: &Color) -> Result<(), ::std::io::Error> {
+    pub fn clear(&mut self) {
-        let true_pos = if let Some(subdim) = self.subdimensions {
+        if let Some(subdim) = self.subdimensions {
-            if pos.0 >= subdim.2 || pos.1 >= subdim.3 {
+            for y in subdim.1..(subdim.1 + subdim.3) {
-                return Err(::std::io::Error::new(
+                let start = (subdim.0 + y * self.dimensions.0) as usize;
-                    ::std::io::ErrorKind::Other,
+                let end = start + subdim.2 as usize;
-                    format!(
+                self.view[start..end].fill(0x0);
                        "put({:?}) is not within subdimensions of buffer ({:?})",
                        pos, subdim
                    ),
                ));
            }
            (pos.0 + subdim.0, pos.1 + subdim.1)
        } else {
-            if pos.0 >= self.dimensions.0 || pos.1 >= self.dimensions.1 {
+            self.view.fill(0x0);
-                return Err(::std::io::Error::new(
+        }
                    ::std::io::ErrorKind::Other,
                    format!(
                        "put({:?}) is not within dimensions of buffer ({:?})",
                        pos, self.dimensions
                    ),
                ));
    }
            pos
        };
-        unsafe {
+    #[inline]
-            let ptr = self
+    pub fn put_raw(&mut self, pos: (u32, u32), c: Color) {
-                .buf
+        self.view[(pos.0 + pos.1 * self.dimensions.0) as usize] = c.0
-                .as_mut_ptr()
+    }
                .offset(4 * (true_pos.0 + (true_pos.1 * self.dimensions.0)) as isize);
            *(ptr as *mut u32) = c.as_argb8888();
        };
-        Ok(())
+    #[inline]
    pub fn put_line_raw(&mut self, pos: (u32, u32), len: u32, c: Color) {
        let start = (pos.0 + (pos.1 * self.dimensions.0)) as usize;
        let len = len as usize;
        self.view[start..start + len].fill(c.0);
    }
 }
@@ -1,24 +0,0 @@
 use crate::keyboard::{KeyState, ModifiersState};
 #[derive(Clone)]
 pub enum Cmd {
    Exit,
    Draw,
    ForceDraw,
    ToggleVisible,
    MouseClick {
        btn: u32,
        pos: (u32, u32),
    },
    MouseScroll {
        scroll: (f64, f64),
        pos: (u32, u32),
    },
    KeyboardTest,
    Keyboard {
        key: u32,
        key_state: KeyState,
        modifiers_state: ModifiersState,
        interpreted: Option<String>,
    },
 }
@@ -1,71 +1,42 @@
-use serde::{Deserialize, Serialize};
+#[derive(Copy, Clone)]
-
+pub struct Color(pub u32);
 #[derive(Serialize, Deserialize, Debug, Clone, Copy, Default)]
 pub struct Color {
    red: f32,
    green: f32,
    blue: f32,
    opacity: f32,
 }
 impl Color {
-    pub fn new(red: f32, green: f32, blue: f32, opacity: f32) -> Color {
+    pub const WHITE: Color = Color(0xFFFFFFFF);
-        let (red, green, blue, opacity) = clamp(red, green, blue, opacity);
+    pub const GREY35: Color = Color(0xFF595959);
-        Color {
+    pub const GREY50: Color = Color(0xFF7F7F7F);
-            red,
+    pub const GREY75: Color = Color(0xFFBFBFBF);
-            green,
+    pub const GREY80: Color = Color(0xFFCCCCCC);
-            blue,
+    pub const RED: Color = Color(0xFFFF0000);
-            opacity,
+    pub const YELLOW: Color = Color(0xFFFFFF00);
-        }
+    pub const LIGHTGREEN: Color = Color(0xFF7FFF7F);
    pub const LIGHTORANGE: Color = Color(0xFFFFBF00);
    pub const DARKORANGE: Color = Color(0xFFFF7F00);
    pub const BUFF: Color = Color(0xFFFFBF7F);
    #[allow(unused)]
    pub fn new(red: u8, green: u8, blue: u8, opacity: u8) -> Color {
        Color((opacity as u32) << 24 | (red as u32) << 16 | (green as u32) << 8 | (blue as u32))
    }
-    pub fn blend(&self, other: &Color, ratio: f32) -> Color {
+    fn red(self) -> u8 {
-        let ratio = clamp_f32(ratio, 0.0, 1.0);
+        ((self.0 >> 16) & 0xFF) as u8
        Color {
            red: blend_f32(self.red, other.red, ratio),
            green: blend_f32(self.green, other.green, ratio),
            blue: blend_f32(self.blue, other.blue, ratio),
            opacity: blend_f32(self.opacity, other.opacity, ratio),
    }
    fn green(self) -> u8 {
        ((self.0 >> 8) & 0xFF) as u8
    }
    fn blue(self) -> u8 {
        (self.0 & 0xFF) as u8
    }
-    #[inline]
+    pub fn alpha(self, alpha: f32) -> Color {
-    pub fn as_argb8888(&self) -> u32 {
+        unsafe {
-        ((255.0 * self.opacity) as u32 & 0xFF) << 24
+            Color(
-            | ((255.0 * self.red) as u32 & 0xFF) << 16
+                (255. * alpha).to_int_unchecked::<u32>() << 24
-            | ((255.0 * self.green) as u32 & 0xFF) << 8
+                    | (self.red() as f32 * alpha).to_int_unchecked::<u32>() << 16
-            | ((255.0 * self.blue) as u32 & 0xFF)
+                    | (self.green() as f32 * alpha).to_int_unchecked::<u32>() << 8
-    }
+                    | (self.blue() as f32 * alpha).to_int_unchecked::<u32>(),
 }
 #[inline]
 fn clamp(r: f32, g: f32, b: f32, o: f32) -> (f32, f32, f32, f32) {
    clamp_naive(r, g, b, o)
 }
 #[inline]
 fn clamp_naive(r: f32, g: f32, b: f32, o: f32) -> (f32, f32, f32, f32) {
    (
        clamp_f32(r, 0.0, 1.0),
        clamp_f32(g, 0.0, 1.0),
        clamp_f32(b, 0.0, 1.0),
        clamp_f32(o, 0.0, 1.0),
            )
        }
 #[inline]
 fn clamp_f32(v: f32, a: f32, b: f32) -> f32 {
    if v > b {
        b
    } else if v < a {
        a
    } else {
        v
    }
 }
 #[inline]
 fn blend_f32(a: f32, b: f32, r: f32) -> f32 {
    a + ((b - a) * r)
 }
@@ -1,29 +1,39 @@
-use crate::cmd::Cmd;
+use serde::{self, Deserialize, Serialize};
-use crate::color::Color;
+
-use crate::widget;
+use std::collections::HashMap;
 use crate::{
    fonts::{FontMap, FontRef},
    widgets,
 };
 use chrono::NaiveDateTime;
 use serde::{Deserialize, Serialize};
 use std::default::Default;
-use std::{collections::HashMap, sync::mpsc::Sender};
+use std::sync::{Arc, Mutex};
 use crate::{
    event::Events,
    fonts::{find_font, FontMap},
    widgets::{
        Backlight, Battery, Calendar, Clock, Date, HorizontalLayout, IndexedLayout, Interface,
        InvertedHorizontalLayout, InvertedVerticalLayout, Layout, Line, Margin, PulseAudio,
        VerticalLayout, Widget as RealWidget,
    },
 };
 #[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(rename_all = "camelCase")]
+#[serde(rename_all = "snake_case")]
 pub enum OperationMode {
    LayerSurface((u32, u32)),
    XdgToplevel,
 }
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "snake_case")]
 pub enum Widget {
    Margin {
        margins: (u32, u32, u32, u32),
        widget: Box<Widget>,
    },
    Fixed {
        width: u32,
        height: u32,
        widget: Box<Widget>,
    },
    HorizontalLayout(Vec<Widget>),
    InvertedHorizontalLayout(Vec<Widget>),
    VerticalLayout(Vec<Widget>),
    InvertedVerticalLayout(Vec<Widget>),
    HorizontalLine(u32),
    VerticalLine(u32),
    Clock {
        font: Option<String>,
        font_size: f32,
@@ -36,315 +46,342 @@ pub enum Widget {
        font_primary: Option<String>,
        font_secondary: Option<String>,
        font_size: f32,
-        sections: u32,
+        sections_x: i32,
        sections_y: i32,
    },
    Launcher {
        font: Option<String>,
        font_size: f32,
-        length: u32,
+        launch_cmd: Option<String>,
        #[serde(default)]
        app_opener: String,
        #[serde(default)]
        term_opener: String,
        #[serde(default)]
        url_opener: String,
    },
    Battery {
        font: Option<String>,
        font_size: f32,
        length: u32,
    },
    Backlight {
-        #[serde(default)]
+        device: Option<String>,
        device: String,
        font: Option<String>,
        font_size: f32,
        length: u32,
    },
    #[cfg(feature = "pulseaudio-widget")]
    PulseAudio {
        font: Option<String>,
        font_size: f32,
        length: u32,
    },
    #[cfg(feature = "alsa-widget")]
    AlsaSound {
        font: Option<String>,
        font_size: f32,
        length: u32,
    },
 }
-impl Widget {
+impl Default for OperationMode {
-    pub fn construct<'a>(
+    fn default() -> OperationMode {
-        self,
+        OperationMode::LayerSurface((1024, 768))
        time: NaiveDateTime,
        tx: Sender<Cmd>,
        fonts: &'a FontMap,
    ) -> Option<Box<dyn widget::Widget + Send + 'a>> {
        match self {
            Widget::Margin { margins, widget } => match widget.construct(time, tx, fonts) {
                Some(w) => Some(widget::Margin::new(margins, w)),
                None => None,
            },
            Widget::Fixed {
                width,
                height,
                widget,
            } => match widget.construct(time, tx, fonts) {
                Some(w) => Some(widget::Fixed::new((width, height), w)),
                None => None,
            },
            Widget::HorizontalLayout(widgets) => Some(widget::HorizontalLayout::new(
                widgets
                    .into_iter()
                    .map(|x| x.construct(time, tx.clone(), fonts))
                    .filter(|x| x.is_some())
                    .map(|x| x.unwrap())
                    .collect(),
            )),
            Widget::VerticalLayout(widgets) => Some(widget::VerticalLayout::new(
                widgets
                    .into_iter()
                    .map(|x| x.construct(time, tx.clone(), fonts))
                    .filter(|x| x.is_some())
                    .map(|x| x.unwrap())
                    .collect(),
            )),
            Widget::Clock { font, font_size } => match widgets::clock::Clock::new(
                time,
                get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                font_size,
            ) {
                Ok(w) => Some(w),
                Err(_) => None,
            },
            Widget::Date { font, font_size } => match widgets::date::Date::new(
                time,
                get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                font_size,
            ) {
                Ok(w) => Some(w),
                Err(_) => None,
            },
            Widget::Calendar {
                font_primary,
                font_secondary,
                font_size,
                sections,
            } => Some(widgets::calendar::Calendar::new(
                time,
                get_font(
                    &font_primary.or_else(|| Some("sans".to_string())).unwrap(),
                    &fonts,
                ),
                get_font(
                    &font_secondary.or_else(|| Some("mono".to_string())).unwrap(),
                    &fonts,
                ),
                font_size,
                sections,
            )),
            Widget::Launcher {
                font,
                font_size,
                length,
                app_opener,
                term_opener,
                url_opener,
            } => Some(widgets::launcher::Launcher::new(
                get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                font_size,
                length,
                tx,
                app_opener,
                term_opener,
                if url_opener.is_empty() {
                    "xdg_open ".to_string()
                } else {
                    url_opener
                },
            )),
            Widget::Battery {
                font,
                font_size,
                length,
            } => {
                match widgets::battery::UpowerBattery::new(
                    get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                    font_size,
                    length,
                    tx,
                ) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            Widget::Backlight {
                device,
                font,
                font_size,
                length,
            } => {
                let d = if device == "" {
                    "intel_backlight"
                } else {
                    &device
                };
                match widgets::backlight::Backlight::new(
                    d,
                    get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                    font_size,
                    length,
                ) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            #[cfg(feature = "pulseaudio-widget")]
            Widget::PulseAudio {
                font,
                font_size,
                length,
            } => {
                match widgets::audio::PulseAudio::new(
                    get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                    font_size,
                    length,
                    tx,
                ) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            #[cfg(feature = "alsa-widget")]
            Widget::AlsaSound {
                font,
                font_size,
                length,
            } => {
                match widgets::audio::Alsa::new(
                    get_font(&font.or_else(|| Some("sans".to_string())).unwrap(), &fonts),
                    font_size,
                    length,
                ) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
        }
    }
 }
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub enum OutputMode {
    All,
    Active,
 }
 impl Default for OutputMode {
    fn default() -> Self {
        OutputMode::Active
    }
 }
-fn default_fonts() -> HashMap<String, String> {
+#[derive(Serialize, Deserialize, Clone, Debug)]
-    let mut map = HashMap::with_capacity(2);
+#[serde(rename_all = "snake_case")]
    map.insert("mono".to_string(), "mono".to_string());
    map.insert("sans".to_string(), "sans".to_string());
    map
 }
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct Config {
-    pub output_mode: OutputMode,
+    pub font_paths: Option<HashMap<String, String>>,
    pub scale: u32,
    pub background: Color,
    pub widget: Widget,
-
+    pub mode: OperationMode,
-    #[serde(default = "default_fonts")]
+    pub background: Option<u32>,
-    pub fonts: HashMap<String, String>,
+    pub server: Option<bool>,
 }
-impl Default for Config {
+impl Config {
-    fn default() -> Self {
+    pub fn generate_v1() -> Config {
-        Config {
+        let has_battery = Battery::detect();
-            widget: Widget::Margin {
+        let has_backlight = Backlight::detect();
-                margins: (20, 20, 20, 20),
+        let sans = find_font("sans");
-                widget: Box::new(Widget::VerticalLayout(vec![
+        let monospace = find_font("monospace");
-                    Widget::HorizontalLayout(vec![
+
-                        Widget::Margin {
+        let mut bars = Vec::new();
-                            margins: (0, 88, 0, 32),
+        if has_battery {
-                            widget: Box::new(Widget::VerticalLayout(vec![
+            bars.push(Widget::Margin {
                                Widget::Date {
                                    font: None,
                                    font_size: 64.0,
                                },
                                Widget::Clock {
                                    font: None,
                                    font_size: 256.0,
                                },
                            ])),
                        },
                        Widget::VerticalLayout(vec![
                            Widget::Margin {
                margins: (0, 0, 0, 8),
                widget: Box::new(Widget::Battery {
                    font: None,
-                                    font_size: 24.0,
+                    font_size: 24.,
                                    length: 0,
                }),
-                            },
+            });
-                            Widget::Margin {
+        }
        if has_backlight {
            bars.push(Widget::Margin {
                margins: (0, 0, 0, 8),
                widget: Box::new(Widget::Backlight {
-                                    device: "intel_backlight".to_string(),
+                    device: None,
                    font: None,
-                                    font_size: 24.0,
+                    font_size: 24.,
                                    length: 0,
                }),
-                            },
+            });
-                            #[cfg(feature = "pulseaudio-widget")]
+        }
-                            Widget::Margin {
+        bars.push(Widget::Margin {
            margins: (0, 0, 0, 8),
            widget: Box::new(Widget::PulseAudio {
                font: None,
-                                    font_size: 24.0,
+                font_size: 24.,
                                    length: 0,
            }),
        });
        let widget = Widget::Margin {
            margins: (20, 20, 20, 20),
            widget: Box::new(Widget::VerticalLayout(vec![
                Widget::HorizontalLayout(vec![
                    Widget::VerticalLayout(vec![
                        Widget::Date {
                            font: None,
                            font_size: 48.,
                        },
                        Widget::Clock {
                            font: None,
                            font_size: 256.,
                        },
                    ]),
                    Widget::Margin {
                        margins: (88, 0, 0, 0),
                        widget: Box::new(Widget::VerticalLayout(bars)),
                    },
                ]),
                Widget::Calendar {
                    font_primary: None,
                    font_secondary: None,
-                        font_size: 16.0,
+                    font_size: 36.,
-                        sections: 3,
+                    sections_x: 3,
                    sections_y: 1,
                },
                Widget::Launcher {
                    font: None,
-                        font_size: 32.0,
+                    font_size: 32.,
-                        length: 0,
+                    launch_cmd: None,
                        app_opener: "".to_string(),
                        term_opener: "".to_string(),
                        url_opener: "".to_string(),
                },
            ])),
        };
        let map = HashMap::from([
            ("sans".to_string(), sans),
            ("monospace".to_string(), monospace),
        ]);
        Config {
            font_paths: Some(map),
            widget: widget,
            mode: OperationMode::LayerSurface((1024, 768)),
            background: Some(0xFAFAFAFA),
            server: None,
        }
    }
    pub fn generate_v2(clay: bool) -> Config {
        let has_battery = Battery::detect();
        let has_backlight = Backlight::detect();
        let sans = find_font("sans");
        let monospace = find_font("monospace");
        let mut bars = Vec::new();
        if has_battery {
            bars.push(Widget::Margin {
                margins: (16, 8, 8, 0),
                widget: Box::new(Widget::Battery {
                    font: None,
                    font_size: 24.,
                }),
            });
        }
        if has_backlight {
            bars.push(Widget::Margin {
                margins: (16, 8, 8, 0),
                widget: Box::new(Widget::Backlight {
                    device: None,
                    font: None,
                    font_size: 24.,
                }),
            });
        }
        bars.push(Widget::Margin {
            margins: (16, 8, 8, 0),
            widget: Box::new(Widget::PulseAudio {
                font: None,
                font_size: 24.,
            }),
        });
        let widget = Widget::VerticalLayout(vec![
            Widget::HorizontalLayout(vec![
                Widget::Margin {
                    margins: (8, 0, 0, 0),
                    widget: Box::new(Widget::Clock {
                        font: None,
                        font_size: 128.,
                    }),
                },
-            output_mode: Default::default(),
+                Widget::Margin {
-            scale: 1,
+                    margins: (16, 64, 0, 0),
-            background: Color::new(0.0, 0.0, 0.0, 0.9),
+                    widget: Box::new(Widget::Date {
-            fonts: default_fonts(),
+                        font: None,
                        font_size: 48.,
                    }),
                },
                Widget::VerticalLayout(bars),
            ]),
            Widget::HorizontalLine(1),
            Widget::InvertedHorizontalLayout(vec![
                Widget::Margin {
                    margins: (16, 8, 16, 0),
                    widget: Box::new(Widget::Calendar {
                        font_primary: None,
                        font_secondary: None,
                        font_size: 24.,
                        sections_x: 1,
                        sections_y: if clay { -1 } else { 3 },
                    }),
                },
                Widget::VerticalLine(1),
                Widget::Margin {
                    margins: (8, 0, 0, 0),
                    widget: Box::new(Widget::Launcher {
                        font: None,
                        font_size: 32.,
                        launch_cmd: None,
                    }),
                },
            ]),
        ]);
        let map = HashMap::from([
            ("sans".to_string(), sans),
            ("monospace".to_string(), monospace),
        ]);
        Config {
            font_paths: Some(map),
            widget: widget,
            mode: if clay {
                OperationMode::XdgToplevel
            } else {
                OperationMode::LayerSurface((1024, 1))
            },
            background: Some(0xFAFAFAFA),
            server: None,
        }
    }
 }
-#[inline]
+fn leak_or_default(v: Option<String>, d: &'static str) -> &'static str {
-fn get_font<'a>(name: &str, map: &'a FontMap) -> FontRef<'a> {
+    match v {
-    match map.get(name) {
+        Some(v) => Box::leak(v.into_boxed_str()),
-        Some(f) => f,
+        None => d,
-        None => panic!("Font {} is missing from the config", name),
+    }
 }
 fn leak_or_none(v: Option<String>) -> Option<&'static str> {
    match v {
        Some(v) => Some(Box::leak(v.into_boxed_str())),
        None => None,
    }
 }
 impl Widget {
    pub fn construct_widgets(
        self,
        v: &mut Vec<Box<dyn RealWidget>>,
        mut fm: &mut FontMap,
        events: &Arc<Mutex<Events>>,
    ) {
        match self {
            Widget::Margin { widget, .. } => widget.construct_widgets(v, fm, events),
            Widget::HorizontalLayout(widgets) => widgets
                .into_iter()
                .for_each(|w| w.construct_widgets(v, fm, events)),
            Widget::InvertedHorizontalLayout(widgets) => widgets
                .into_iter()
                .for_each(|w| w.construct_widgets(v, fm, events)),
            Widget::VerticalLayout(widgets) => widgets
                .into_iter()
                .for_each(|w| w.construct_widgets(v, fm, events)),
            Widget::InvertedVerticalLayout(widgets) => widgets
                .into_iter()
                .for_each(|w| w.construct_widgets(v, fm, events)),
            Widget::HorizontalLine(width) => v.push(Box::new(Line::new(width, false))),
            Widget::VerticalLine(width) => v.push(Box::new(Line::new(width, true))),
            Widget::Clock { font, font_size } => v.push(Box::new(Clock::new(
                &mut fm,
                leak_or_default(font, "sans"),
                font_size,
            ))),
            Widget::Date { font, font_size } => v.push(Box::new(Date::new(
                &mut fm,
                leak_or_default(font, "sans"),
                font_size,
            ))),
            Widget::Calendar {
                font_primary,
                font_secondary,
                font_size,
                sections_x,
                sections_y,
            } => v.push(Box::new(Calendar::new(
                &mut fm,
                leak_or_default(font_primary, "monospace"),
                leak_or_default(font_secondary, "sans"),
                font_size,
                sections_x,
                sections_y,
            ))),
            Widget::Launcher {
                font,
                font_size,
                launch_cmd,
            } => v.push(Box::new(Interface::new(
                events.clone(),
                &mut fm,
                leak_or_default(font, "sans"),
                font_size,
                launch_cmd,
            ))),
            Widget::Battery { font, font_size } => v.push(Box::new(Battery::new(
                events.clone(),
                &mut fm,
                leak_or_default(font, "sans"),
                font_size,
            ))),
            Widget::Backlight {
                device,
                font,
                font_size,
            } => v.push(Box::new(Backlight::new(
                leak_or_none(device),
                &mut fm,
                leak_or_default(font, "sans"),
                font_size,
            ))),
            Widget::PulseAudio { font, font_size } => v.push(Box::new(PulseAudio::new(
                events.clone(),
                &mut fm,
                Box::leak(font.unwrap_or_else(|| "sans".to_string()).into_boxed_str()),
                font_size,
            ))),
        }
    }
    pub fn construct_layout(&self, idx: &mut usize) -> Box<dyn Layout> {
        match self {
            Widget::Margin { margins, widget } => {
                Margin::new(widget.construct_layout(idx), *margins)
            }
            Widget::HorizontalLayout(widgets) => {
                HorizontalLayout::new(widgets.iter().map(|w| w.construct_layout(idx)).collect())
            }
            Widget::InvertedHorizontalLayout(widgets) => InvertedHorizontalLayout::new(
                widgets.iter().map(|w| w.construct_layout(idx)).collect(),
            ),
            Widget::VerticalLayout(widgets) => {
                VerticalLayout::new(widgets.iter().map(|w| w.construct_layout(idx)).collect())
            }
            Widget::InvertedVerticalLayout(widgets) => InvertedVerticalLayout::new(
                widgets.iter().map(|w| w.construct_layout(idx)).collect(),
            ),
            _ => IndexedLayout::new({
                let i = *idx;
                *idx += 1;
                i
            }),
        }
    }
 }
@@ -1,61 +0,0 @@
 use serde::{de::DeserializeOwned, Serialize};
 use std::io::BufRead;
 pub enum ConfigFmt {
    #[cfg(feature = "yaml-cfg")]
    Yaml,
    #[cfg(feature = "json-cfg")]
    Json,
 }
 pub const CONFIG_NAMES: &[&str] = &[
    #[cfg(feature = "yaml-cfg")]
    "config.yaml",
    #[cfg(feature = "json-cfg")]
    "config.json",
 ];
 impl ConfigFmt {
    #[inline]
    pub fn new(ext: &str) -> Option<Self> {
        match ext {
            #[cfg(feature = "yaml-cfg")]
            "yaml" => Some(ConfigFmt::Yaml),
            #[cfg(feature = "json-cfg")]
            "json" => Some(ConfigFmt::Json),
            _ => None,
        }
    }
    #[inline]
    pub fn from_reader<B: BufRead, T: DeserializeOwned>(&self, r: B) -> T {
        match self {
            #[cfg(feature = "yaml-cfg")]
            ConfigFmt::Yaml => serde_yaml::from_reader(r).unwrap(),
            #[cfg(feature = "json-cfg")]
            ConfigFmt::Json => serde_json::from_reader(r).unwrap(),
        }
    }
    #[inline]
    pub fn to_string<T: Serialize + ?Sized>(&self, src: &T) -> String {
        match self {
            #[cfg(feature = "yaml-cfg")]
            ConfigFmt::Yaml => serde_yaml::to_string(&src).unwrap(),
            #[cfg(feature = "json-cfg")]
            ConfigFmt::Json => serde_json::to_string_pretty(&src).unwrap(),
        }
    }
 }
 impl Default for ConfigFmt {
    fn default() -> Self {
        // attributes require curly braces to work
        #[cfg(feature = "yaml-cfg")]
        {
            ConfigFmt::Yaml
        }
        #[cfg(all(feature = "json-cfg", not(feature = "yaml-cfg")))]
        {
            ConfigFmt::Json
        }
    }
 }
@@ -1,57 +0,0 @@
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::env;
 use std::error::Error;
 use std::fs::{create_dir_all, File, OpenOptions};
 use std::path::PathBuf;
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone, Default)]
 pub struct Data {
    pub entries: HashMap<String, i64>,
 }
 impl Data {
    pub fn load() -> Result<Data, Box<dyn Error>> {
        Ok(serde_yaml::from_reader(Self::read_file()?)?)
    }
    pub fn save(&self) -> Result<(), Box<dyn Error>> {
        Ok(serde_yaml::to_writer(Self::write_file()?, self)?)
    }
    fn read_file() -> Result<File, Box<dyn Error>> {
        Ok(OpenOptions::new()
            .create(true)
            .write(true)
            .read(true)
            .open(Self::path()?)?)
    }
    fn write_file() -> Result<File, Box<dyn Error>> {
        Ok(OpenOptions::new()
            .create(true)
            .write(true)
            .truncate(true)
            .open(Self::path()?)?)
    }
    fn path() -> Result<PathBuf, Box<dyn Error>> {
        let xdg_cache = match env::var_os("XDG_CACHE_HOME") {
            Some(s) => s
                .into_string()
                .map_err(|_| "Unable to resolve $XDG_CACHE_HOME")?,
            None => format!(
                "{}/.cache",
                env::var_os("HOME")
                    .ok_or("Unable to resolve $HOME")?
                    .into_string()
                    .map_err(|_| "Unable to resolve $HOME")?
            ),
        };
        let cache_dir = PathBuf::from(xdg_cache).join("wldash");
        create_dir_all(&cache_dir)?;
        Ok(cache_dir.join("data.yaml"))
    }
 }
@@ -1,113 +0,0 @@
 extern crate ini;
 use ini::{Ini, ParseOption};
 use itertools::Itertools;
 use std::cmp::Ordering;
 use std::env;
 use std::error::Error;
 use std::io::Error as io_error;
 use std::io::ErrorKind;
 use walkdir::WalkDir;
 #[derive(Clone, Debug, Eq, Hash)]
 pub struct Desktop {
    pub entry_type: String,
    pub name: String,
    pub no_display: bool,
    pub hidden: bool,
    pub exec: Option<String>,
    pub url: Option<String>,
    pub term: bool,
    pub keywords: Vec<String>,
 }
 impl Desktop {
    fn parse(f: &str) -> Result<Desktop, Box<dyn Error>> {
        let file = Ini::load_from_file_opt(
            f,
            ParseOption {
                enabled_quote: false,
                enabled_escape: false,
            },
        )?;
        match file.section(Some("Desktop Entry")) {
            Some(desktop) => Ok(Desktop {
                entry_type: desktop.get("Type").unwrap_or(&"".to_string()).to_string(),
                name: desktop.get("Name").unwrap_or(&"".to_string()).to_string(),
                term: desktop.get("Terminal").unwrap_or(&"".to_string()) == "true",
                no_display: desktop.get("NoDisplay").unwrap_or(&"".to_string()) == "true",
                hidden: desktop.get("Hidden").unwrap_or(&"".to_string()) == "true",
                exec: desktop.get("Exec").map(|x| x.to_string()),
                url: desktop.get("URL").map(|x| x.to_string()),
                keywords: desktop
                    .get("Keywords")
                    .map(|x| {
                        x.split(';')
                            .map(|y| y.trim().to_string())
                            .filter(|z| z != "")
                            .collect()
                    })
                    .unwrap_or_else(|| vec![]),
            }),
            None => Err(Box::new(io_error::new(
                ErrorKind::NotFound,
                "no desktop entry in file",
            ))),
        }
    }
    fn parse_dir(d: &str) -> Result<Vec<Desktop>, Box<dyn Error>> {
        let mut files: Vec<Desktop> = Vec::with_capacity(16);
        for entry in WalkDir::new(d) {
            let entry = entry?;
            let path = entry.path();
            if let Ok(d) = Desktop::parse(path.to_str().unwrap()) {
                files.push(d)
            }
        }
        Ok(files)
    }
 }
 impl Ord for Desktop {
    fn cmp(&self, other: &Self) -> Ordering {
        self.name.cmp(&other.name)
    }
 }
 impl PartialOrd for Desktop {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
 }
 impl PartialEq for Desktop {
    fn eq(&self, other: &Self) -> bool {
        self.name == other.name
    }
 }
 pub fn load_desktop_files() -> Vec<Desktop> {
    let home = env::var_os("HOME").unwrap().into_string().unwrap();
    let xdg_data_home = match env::var_os("XDG_DATA_HOME") {
        Some(s) => s.into_string().unwrap(),
        None => format!("{}/.local/share", home),
    };
    let xdg_data_dirs = match env::var_os("XDG_DATA_DIRS") {
        Some(s) => s.into_string().unwrap(),
        None => "/usr/local/share:/usr/share".to_string(),
    };
    std::iter::once(xdg_data_home.as_str())
        .chain(xdg_data_dirs.split(':'))
        .map(|p| Desktop::parse_dir(&format!("{}/applications", p)))
        .filter_map(Result::ok)
        .flatten()
        .filter(|d| {
            !d.hidden && !d.no_display && (d.entry_type == "Application" || d.entry_type == "Link")
        })
        .unique_by(|x| x.name.clone())
        .collect()
 }
@@ -1,265 +0,0 @@
 use std::{
    cell::RefCell,
    ffi::CStr,
    fs::File,
    io,
    os::unix::io::{FromRawFd, RawFd},
    rc::Rc,
    time::SystemTime,
    time::UNIX_EPOCH,
 };
 #[cfg(target_os = "linux")]
 use nix::sys::memfd;
 use nix::{
    errno::Errno,
    fcntl,
    sys::{mman, stat},
    unistd,
 };
 use memmap::MmapMut;
 use wayland_client::{
    protocol::{wl_buffer, wl_shm, wl_shm_pool},
    Main,
 };
 /// A wrapper handling an SHM memory pool backed by a shared memory file
 ///
 /// This wrapper handles for you the creation of the shared memory file and its synchronization
 /// with the protocol.
 ///
 /// Mempool internally tracks the release of the buffers by the compositor. As such, creating a buffer
 /// that is not commited to a surface (and then never released by the server) would cause the Mempool
 /// to be stuck believing it is still in use.
 ///
 /// Mempool will also handle the destruction of buffers and as such the `destroy()` method should not
 /// be used on buffers created from Mempool.
 ///
 /// Overwriting the contents of the memory pool before it is completely freed may cause graphical
 /// glitches due to the possible corruption of data while the compositor is reading it.
 ///
 /// Mempool requires a callback that will be called when the pool becomes free, this
 /// happens when all the pools buffers are released by the server.
 pub struct MemPool {
    file: File,
    len: usize,
    pool: Main<wl_shm_pool::WlShmPool>,
    buffer_count: Rc<RefCell<u32>>,
    mmap: MmapMut,
    callback: Rc<RefCell<dyn FnMut(wayland_client::DispatchData)>>,
 }
 impl MemPool {
    /// Create a new memory pool associated with given shm
    pub fn new<F>(shm: Main<wl_shm::WlShm>, callback: F) -> io::Result<MemPool>
    where
        F: FnMut(wayland_client::DispatchData) + 'static,
    {
        let mem_fd = create_shm_fd()?;
        let mem_file = unsafe { File::from_raw_fd(mem_fd) };
        mem_file.set_len(128)?;
        let pool = shm.create_pool(mem_fd, 128);
        let mmap = unsafe { MmapMut::map_mut(&mem_file).unwrap() };
        Ok(MemPool {
            file: mem_file,
            len: 128,
            pool,
            buffer_count: Rc::new(RefCell::new(0)),
            mmap,
            callback: Rc::new(RefCell::new(callback)),
        })
    }
    /// Resize the memory pool
    ///
    /// This affect the size as it is seen by the wayland server. Even
    /// if you extend the temporary file size by writing to it, you need to
    /// call this method otherwise the server won't see the new size.
    ///
    /// Memory pools can only be extented, as such this method will do nothing
    /// if the requested new size is smaller than the current size.
    ///
    /// This method allows you to ensure the underlying pool is large enough to
    /// hold what you want to write to it.
    pub fn resize(&mut self, newsize: usize) -> io::Result<()> {
        if newsize > self.len {
            self.file.set_len(newsize as u64)?;
            self.pool.resize(newsize as i32);
            self.len = newsize;
            self.mmap = unsafe { MmapMut::map_mut(&self.file).unwrap() };
        }
        Ok(())
    }
    /// Create a new buffer to this pool
    ///
    /// The parameters are:
    ///
    /// - `offset`: the offset (in bytes) from the beginning of the pool at which this
    ///   buffer starts
    /// - `width`: the width of this buffer (in pixels)
    /// - `height`: the height of this buffer (in pixels)
    /// - `stride`: distance (in bytes) between the beginning of a row and the next one
    /// - `format`: the encoding format of the pixels. Using a format that was not
    ///   advertised to the `wl_shm` global by the server is a protocol error and will
    ///   terminate your connection
    pub fn buffer(
        &self,
        offset: i32,
        width: i32,
        height: i32,
        stride: i32,
        format: wl_shm::Format,
    ) -> wl_buffer::WlBuffer {
        *self.buffer_count.borrow_mut() += 1;
        let my_buffer_count = self.buffer_count.clone();
        let my_callback = self.callback.clone();
        let buffer = self
            .pool
            .create_buffer(offset, width, height, stride, format);
        buffer.quick_assign(move |buffer, event, dispatch_data| match event {
            wl_buffer::Event::Release => {
                buffer.destroy();
                let new_count = {
                    // borrow the buffer_count for as short as possible, in case
                    // the user wants to create a new buffer from the callback
                    let mut my_buffer_count = my_buffer_count.borrow_mut();
                    *my_buffer_count -= 1;
                    *my_buffer_count
                };
                if new_count == 0 {
                    (&mut *my_callback.borrow_mut())(dispatch_data);
                }
            }
            _ => unreachable!(),
        });
        (*buffer).clone().detach()
    }
    /// Uses the memmap crate to map the underlying shared memory file
    pub fn mmap(&mut self) -> &mut MmapMut {
        &mut self.mmap
    }
    /// Returns true if the pool contains buffers that are currently in use by the server
    pub fn is_used(&self) -> bool {
        *self.buffer_count.borrow() != 0
    }
 }
 impl Drop for MemPool {
    fn drop(&mut self) {
        self.pool.destroy();
    }
 }
 impl io::Write for MemPool {
    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
        io::Write::write(&mut self.file, buf)
    }
    fn flush(&mut self) -> io::Result<()> {
        io::Write::flush(&mut self.file)
    }
 }
 impl io::Seek for MemPool {
    fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
        io::Seek::seek(&mut self.file, pos)
    }
 }
 fn create_shm_fd() -> io::Result<RawFd> {
    // Only try memfd on linux
    #[cfg(target_os = "linux")]
    loop {
        match memfd::memfd_create(
            CStr::from_bytes_with_nul(b"smithay-client-toolkit\0").unwrap(),
            memfd::MemFdCreateFlag::MFD_CLOEXEC,
        ) {
            Ok(fd) => return Ok(fd),
            Err(nix::Error::Sys(Errno::EINTR)) => continue,
            Err(nix::Error::Sys(Errno::ENOSYS)) => break,
            Err(nix::Error::Sys(errno)) => return Err(io::Error::from(errno)),
            Err(err) => unreachable!(err),
        }
    }
    // Fallback to using shm_open
    let sys_time = SystemTime::now();
    let mut mem_file_handle = format!(
        "/smithay-client-toolkit-{}",
        sys_time.duration_since(UNIX_EPOCH).unwrap().subsec_nanos()
    );
    loop {
        match mman::shm_open(
            mem_file_handle.as_str(),
            fcntl::OFlag::O_CREAT
                | fcntl::OFlag::O_EXCL
                | fcntl::OFlag::O_RDWR
                | fcntl::OFlag::O_CLOEXEC,
            stat::Mode::S_IRUSR | stat::Mode::S_IWUSR,
        ) {
            Ok(fd) => match mman::shm_unlink(mem_file_handle.as_str()) {
                Ok(_) => return Ok(fd),
                Err(nix::Error::Sys(errno)) => match unistd::close(fd) {
                    Ok(_) => return Err(io::Error::from(errno)),
                    Err(nix::Error::Sys(errno)) => return Err(io::Error::from(errno)),
                    Err(err) => panic!("{}", err),
                },
                Err(err) => panic!("{}", err),
            },
            Err(nix::Error::Sys(Errno::EEXIST)) => {
                // If a file with that handle exists then change the handle
                mem_file_handle = format!(
                    "/smithay-client-toolkit-{}",
                    sys_time.duration_since(UNIX_EPOCH).unwrap().subsec_nanos()
                );
                continue;
            }
            Err(nix::Error::Sys(Errno::EINTR)) => continue,
            Err(nix::Error::Sys(errno)) => return Err(io::Error::from(errno)),
            Err(err) => unreachable!(err),
        }
    }
 }
 pub struct DoubleMemPool {
    pool1: MemPool,
    pool2: MemPool,
    switch: bool,
 }
 impl DoubleMemPool {
    pub fn new(shm: Main<wl_shm::WlShm>) -> ::std::io::Result<DoubleMemPool> {
        Ok(DoubleMemPool {
            pool1: MemPool::new(shm.clone(), move |_| {})?,
            pool2: MemPool::new(shm.clone(), move |_| {})?,
            switch: false,
        })
    }
    pub fn pool(&mut self) -> Option<(&mut MemPool, &mut MemPool)> {
        let switch = self.switch;
        self.switch = !self.switch;
        let (last, cur) = if !switch {
            (&mut self.pool2, &mut self.pool1)
        } else {
            (&mut self.pool1, &mut self.pool2)
        };
        if cur.is_used() {
            None
        } else {
            Some((last, cur))
        }
    }
    pub fn never_mind(&mut self) {
        self.switch = !self.switch;
    }
 }
@@ -1,4 +1,4 @@
-use crate::buffer::Buffer;
+use crate::buffer::BufferView;
 use crate::{color::Color, fonts::FontRef};
 use rusttype::{point, Scale};
@@ -21,7 +21,6 @@ impl CachedGlyph {
        if let Some(bounding_box) = glyph.pixel_bounding_box() {
            let origin = (bounding_box.min.x, bounding_box.min.y);
            let dimensions = (
                (bounding_box.max.x - bounding_box.min.x) as u32,
                (bounding_box.max.y - bounding_box.min.y) as u32,
@@ -47,19 +46,26 @@ impl CachedGlyph {
        }
    }
-    fn draw(&self, buf: &mut Buffer, pos: (i32, i32), bg: &Color, c: &Color) {
+    fn draw(&self, buf: &mut BufferView, pos: (i32, i32), c: Color) {
        let bounds = buf.get_bounds();
        if pos.0 as u32 + self.dimensions.0 > bounds.2 {
            return;
        }
        let offset = (bounds.0 as i32, bounds.1 as i32);
        let width = self.dimensions.0 as i32 - 1;
        let mut x = 0;
        let mut y = 0;
        for v in &self.render {
-            let _ = buf.put(
+            buf.put_raw(
                (
-                    (x + pos.0 + self.origin.0) as u32,
+                    (x + pos.0 + self.origin.0 + offset.0) as u32,
-                    (y + pos.1 + self.origin.1) as u32,
+                    (y + pos.1 + self.origin.1 + offset.1) as u32,
                ),
-                &bg.blend(&c, *v),
+                c.alpha(*v),
            );
-            if x == self.dimensions.0 as i32 - 1 {
+            if x == width {
                y += 1;
                x = 0;
            } else {
@@ -84,6 +90,12 @@ impl<'a> Font<'a> {
        }
    }
    pub fn height(&self) -> f32 {
        let scale = Scale::uniform(self.size);
        let m = self.font.v_metrics(scale);
        m.ascent - m.descent
    }
    pub fn add_str_to_cache(&mut self, s: &str) {
        for ch in s.chars() {
            if self.glyphs.get(&ch).is_none() {
@@ -95,9 +107,8 @@ impl<'a> Font<'a> {
    pub fn draw_text(
        &self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
-        bg: &Color,
+        c: Color,
        c: &Color,
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        let mut x_off = 0;
@@ -119,7 +130,7 @@ impl<'a> Font<'a> {
            }
        }
        for glyph in glyphs {
-            glyph.draw(buf, (x_off, -off), bg, c);
+            glyph.draw(buf, (x_off, -off), c);
            x_off += glyph.advance;
        }
@@ -128,9 +139,8 @@ impl<'a> Font<'a> {
    pub fn draw_text_with_cursor(
        &self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
-        bg: &Color,
+        c: Color,
        c: &Color,
        s: &str,
        cursor: usize,
    ) -> Result<(u32, u32), ::std::io::Error> {
@@ -153,12 +163,12 @@ impl<'a> Font<'a> {
            }
        }
-        let height = buf.get_bounds().3;
+        let height = self.size.ceil() as u32;
        for (i, glyph) in glyphs.iter().enumerate() {
            if i == cursor {
                self.draw_cursor(buf, c, x_off as u32, height)?;
            }
-            glyph.draw(buf, (x_off, -off), bg, c);
+            glyph.draw(buf, (x_off, -off), c);
            x_off += glyph.advance;
        }
        if cursor == glyphs.len() {
@@ -168,16 +178,20 @@ impl<'a> Font<'a> {
        Ok((x_off as u32, self.size as u32))
    }
-    pub fn draw_cursor(
+    fn draw_cursor(
        &self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
-        c: &Color,
+        c: Color,
        offset: u32,
        height: u32,
    ) -> Result<(), ::std::io::Error> {
        // draw cursor
-        for i in 1..height {
+        let bounds = buf.get_bounds();
-            buf.put((offset, i), c)?
+        if offset + 1 > bounds.2 {
            return Ok(());
        }
        for i in bounds.1 + 1..height + bounds.1 {
            buf.put_raw((bounds.0 + offset, i), c);
        }
        Ok(())
    }
@@ -205,32 +219,29 @@ impl<'a> Font<'a> {
    pub fn auto_draw_text(
        &mut self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
-        bg: &Color,
+        c: Color,
        c: &Color,
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        self.add_str_to_cache(s);
-        self.draw_text(buf, bg, c, s)
+        self.draw_text(buf, c, s)
    }
    pub fn auto_draw_text_with_cursor(
        &mut self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
-        bg: &Color,
+        c: Color,
        c: &Color,
        s: &str,
        cursor: usize,
    ) -> Result<(u32, u32), ::std::io::Error> {
        self.add_str_to_cache(s);
-        self.draw_text_with_cursor(buf, bg, c, s, cursor)
+        self.draw_text_with_cursor(buf, c, s, cursor)
    }
    pub fn draw_text_fixed_width(
        &self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
-        bg: &Color,
+        c: Color,
        c: &Color,
        distances: &[u32],
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
@@ -253,7 +264,7 @@ impl<'a> Font<'a> {
            }
        }
        for (idx, glyph) in glyphs.into_iter().enumerate() {
-            glyph.draw(buf, (x_off, -off), bg, c);
+            glyph.draw(buf, (x_off, -off), c);
            x_off += distances[idx] as i32;
        }
@@ -262,8 +273,7 @@ impl<'a> Font<'a> {
    pub fn draw_text_individual_colors(
        &self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
        bg: &Color,
        color: &[Color],
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
@@ -286,7 +296,7 @@ impl<'a> Font<'a> {
            }
        }
        for (idx, glyph) in glyphs.into_iter().enumerate() {
-            glyph.draw(buf, (x_off, -off), bg, &color[idx]);
+            glyph.draw(buf, (x_off, -off), color[idx]);
            x_off += glyph.advance;
        }
@@ -295,32 +305,30 @@ impl<'a> Font<'a> {
    pub fn auto_draw_text_individual_colors(
        &mut self,
-        buf: &mut Buffer,
+        buf: &mut BufferView,
        bg: &Color,
        color: &[Color],
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        self.add_str_to_cache(s);
-        self.draw_text_individual_colors(buf, bg, color, s)
+        self.draw_text_individual_colors(buf, color, s)
    }
 }
-pub fn draw_box(buf: &mut Buffer, c: &Color, dim: (u32, u32)) -> Result<(), ::std::io::Error> {
+pub fn draw_box(buf: &mut BufferView, c: Color, dim: (u32, u32)) -> Result<(), ::std::io::Error> {
-    for x in 0..dim.0 {
+    let bounds = buf.get_bounds();
-        let _ = buf.put((x, 0), c);
+    buf.put_line_raw((bounds.0, bounds.1), dim.0, c);
-        let _ = buf.put((x, dim.1 - 1), c);
+    buf.put_line_raw((bounds.0, bounds.1 + dim.1 - 1), dim.0, c);
-    }
+    for y in bounds.1..dim.1 + bounds.1 {
-    for y in 0..dim.1 {
+        buf.put_raw((bounds.0, y), c);
-        buf.put((0, y), c)?;
+        buf.put_raw((bounds.0 + dim.0 - 1, y), c);
        buf.put((dim.0 - 1, y), c)?;
    }
    Ok(())
 }
 pub fn draw_bar(
-    buf: &mut Buffer,
+    buf: &mut BufferView,
-    color: &Color,
+    color: Color,
    length: u32,
    height: u32,
    fill: f32,
@@ -329,10 +337,9 @@ pub fn draw_bar(
    if fill_pos > length {
        fill_pos = length;
    }
-    for y in 0..height {
+    let bounds = buf.get_bounds();
-        for x in 0..fill_pos {
+    for y in bounds.1..height + bounds.1 {
-            let _ = buf.put((x, y), color);
+        buf.put_line_raw((bounds.0, y), fill_pos, color);
        }
    }
    Ok(())
@@ -0,0 +1,61 @@
 use std::sync::{Arc, Mutex};
 use calloop::ping::Ping;
 use crate::keyboard::KeyEvent;
 #[derive(Copy, Clone, Debug)]
 pub enum PointerButton {
    Left,
    Right,
    Middle,
    ScrollVertical(f64),
    ScrollHorizontal(f64),
 }
 #[derive(Debug)]
 pub struct PointerEvent {
    pub button: PointerButton,
    pub pos: (u32, u32),
 }
 #[derive(Debug)]
 pub enum Event {
    NewMinute,
    PowerUpdate,
    LauncherUpdate,
    AudioUpdate,
    KeyEvent(KeyEvent),
    PointerEvent(PointerEvent),
    TokenUpdate(String),
    FocusLost,
 }
 pub struct Events {
    dirty: bool,
    events: Vec<Event>,
    ping: Ping,
 }
 impl Events {
    pub fn new(ping: Ping) -> Arc<Mutex<Events>> {
        Arc::new(Mutex::new(Events {
            dirty: false,
            events: Vec::new(),
            ping,
        }))
    }
    pub fn add_event(&mut self, ev: Event) {
        self.events.push(ev);
        if !self.dirty {
            self.dirty = true;
            self.ping.ping();
        }
    }
    pub fn flush(&mut self) -> Vec<Event> {
        self.dirty = false;
        self.events.drain(..).collect()
    }
 }
@@ -1,30 +1,29 @@
 //! Utility module for fonts
-use fontconfig::Fontconfig as FontConfig;
+use crate::draw;
 use rusttype::Font;
 use std::{
-    collections::HashMap,
+    cell::RefCell, collections::HashMap, fs::File, hash, io::Read, mem, path::Path, rc::Rc, thread,
    fs::File,
    io::Read,
    path::{Path, PathBuf},
 };
 /// FontMap is used to store different font configurations
 pub type FontMap<'a> = HashMap<String, rusttype::Font<'a>>;
 /// FontRef is used to store Fonts on widgets.
 pub type FontRef<'a> = &'a rusttype::Font<'a>;
-/// FontSeeker is a marker struct that is used to look up fonts
+#[cfg(feature = "fontconfig")]
-pub(crate) struct FontSeeker;
+pub(crate) fn find_font(name: &str) -> String {
-
+    use fontconfig::Fontconfig as FontConfig;
 impl FontSeeker {
    /// Acts like fc-match.
    /// Given a string, it matches it to a font file and returns its path.
    pub(crate) fn from_string(name: &str) -> PathBuf {
    let fc = FontConfig::new().unwrap();
-        fc.find(name, None).unwrap().path
+    fc.find(name, None)
        .unwrap()
        .path
        .to_str()
        .unwrap()
        .to_string()
 }
 #[cfg(not(feature = "fontconfig"))]
 pub(crate) fn find_font(_name: &str) -> String {
    panic!("fontconfig not enabled so font search not available");
 }
 /// FontLoader is a marker struct that is used to load files
@@ -45,3 +44,116 @@ impl FontLoader {
        Font::try_from_vec(data)
    }
 }
 #[derive(Debug, Copy, Clone)]
 struct ComparableF32(f32);
 impl ComparableF32 {
    fn key(&self) -> u64 {
        self.0.to_bits() as u64
    }
 }
 impl hash::Hash for ComparableF32 {
    fn hash<H>(&self, state: &mut H)
    where
        H: hash::Hasher,
    {
        self.key().hash(state)
    }
 }
 impl PartialEq for ComparableF32 {
    fn eq(&self, other: &ComparableF32) -> bool {
        self.key() == other.key()
    }
 }
 impl Eq for ComparableF32 {}
 pub struct FontMap {
    fonts: HashMap<(&'static str, ComparableF32), draw::Font<'static>>,
    font_paths: HashMap<&'static str, String>,
    required_fonts: HashMap<&'static str, (&'static str, Vec<(f32, &'static str)>)>,
 }
 impl FontMap {
    pub fn new() -> FontMap {
        FontMap {
            fonts: HashMap::new(),
            font_paths: HashMap::new(),
            required_fonts: HashMap::new(),
        }
    }
    pub fn queue_font(&mut self, font_name: &'static str, size: f32, preload: &'static str) {
        match self.required_fonts.get_mut(font_name) {
            Some(v) => v.1.push((size, preload)),
            None => {
                self.required_fonts
                    .insert(font_name, (font_name, vec![(size, preload)]));
            }
        }
    }
    pub fn add_font_path(&mut self, font_name: &'static str, font_path: String) {
        self.font_paths.insert(font_name, font_path);
    }
    pub fn load_fonts(&mut self) {
        for (font_name, v) in self.required_fonts.iter() {
            let path = match self.font_paths.get(font_name) {
                Some(res) => res,
                _ => {
                    let s = find_font(font_name);
                    self.font_paths.insert(font_name, s);
                    self.font_paths.get(font_name).unwrap()
                }
            };
            let fontref = Box::leak(Box::new(
                FontLoader::from_path(path).expect("unable to load font"),
            ));
            for (size, preload) in &v.1 {
                if let Some(font) = self.fonts.get_mut(&(font_name, ComparableF32(*size))) {
                    font.add_str_to_cache(preload);
                } else {
                    let mut font = draw::Font::new(fontref, *size);
                    font.add_str_to_cache(preload);
                    self.fonts.insert((font_name, ComparableF32(*size)), font);
                }
            }
        }
    }
    pub fn get_font(&mut self, font_name: &'static str, size: f32) -> &mut draw::Font<'static> {
        self.fonts
            .get_mut(&(font_name, ComparableF32(size)))
            .expect("no font at specified size")
    }
 }
 pub enum MaybeFontMap {
    Waiting(thread::JoinHandle<FontMap>),
    Ready(Rc<RefCell<FontMap>>),
    Invalid,
 }
 impl MaybeFontMap {
    pub fn unwrap(&self) -> Rc<RefCell<FontMap>> {
        match self {
            MaybeFontMap::Ready(f) => f.clone(),
            _ => panic!("fontmap not yet ready"),
        }
    }
    pub fn resolve(&mut self) {
        if matches!(self, MaybeFontMap::Waiting(_)) {
            let s = mem::replace(self, MaybeFontMap::Invalid);
            match s {
                MaybeFontMap::Waiting(handle) => {
                    *self = MaybeFontMap::Ready(Rc::new(RefCell::new(handle.join().unwrap())));
                }
                _ => unreachable!(),
            }
        }
    }
 }
@@ -1,267 +0,0 @@
 #![allow(dead_code, non_camel_case_types, clippy::identity_op)]
 #![cfg_attr(rustfmt, rustfmt_skip)]
 use std::os::raw::{c_char, c_int, c_void, c_uint};
 pub const XKB_MOD_NAME_SHIFT   : &[u8]  = b"Shift\0";
 pub const XKB_MOD_NAME_CAPS    : &[u8]  = b"Lock\0";
 pub const XKB_MOD_NAME_CTRL    : &[u8]  = b"Control\0";
 pub const XKB_MOD_NAME_ALT     : &[u8]  = b"Mod1\0";
 pub const XKB_MOD_NAME_NUM     : &[u8]  = b"Mod2\0";
 pub const XKB_MOD_NAME_LOGO    : &[u8]  = b"Mod4\0";
 pub const XKB_LED_NAME_CAPS    : &[u8]  = b"Caps Lock\0";
 pub const XKB_LED_NAME_NUM     : &[u8]  = b"Num Lock\0";
 pub const XKB_LED_NAME_SCROLL  : &[u8]  = b"Scroll Lock\0";
 pub struct xkb_context;
 pub struct xkb_keymap;
 pub struct xkb_state;
 pub struct xkb_compose_table;
 pub struct xkb_compose_state;
 pub type xkb_keycode_t = u32;
 pub type xkb_keysym_t = u32;
 pub type xkb_layout_index_t = u32;
 pub type xkb_layout_mask_t = u32;
 pub type xkb_level_index_t = u32;
 pub type xkb_mod_index_t = u32;
 pub type xkb_mod_mask_t = u32;
 pub type xkb_led_index_t = u32;
 pub type xkb_led_mask_t = u32;
 pub const XKB_KEYCODE_INVALID :u32 = 0xffff_ffff;
 pub const XKB_LAYOUT_INVALID  :u32 = 0xffff_ffff;
 pub const XKB_LEVEL_INVALID   :u32 = 0xffff_ffff;
 pub const XKB_MOD_INVALID     :u32 = 0xffff_ffff;
 pub const XKB_LED_INVALID     :u32 = 0xffff_ffff;
 pub const XKB_KEYCODE_MAX     :u32 = 0xffff_fffe;
 #[repr(C)]
 #[derive(Copy, Clone)]
 pub struct xkb_rule_names {
    pub rules:   *const c_char,
    pub model:   *const c_char ,
    pub layout:  *const c_char,
    pub variant: *const c_char,
    pub options: *const c_char,
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_keysym_flags {
    /** Do not apply any flags. */
    XKB_KEYSYM_NO_FLAGS = 0,
    /** Find keysym by case-insensitive search. */
    XKB_KEYSYM_CASE_INSENSITIVE = (1 << 0)
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_context_flags {
    /** Do not apply any context flags. */
    XKB_CONTEXT_NO_FLAGS = 0,
    /** Create this context with an empty include path. */
    XKB_CONTEXT_NO_DEFAULT_INCLUDES = (1 << 0),
    /**
     * Don't take RMLVO names from the environment.
     * @since 0.3.0
     */
    XKB_CONTEXT_NO_ENVIRONMENT_NAMES = (1 << 1)
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_log_level {
    /** Log critical internal errors only. */
    XKB_LOG_LEVEL_CRITICAL = 10,
    /** Log all errors. */
    XKB_LOG_LEVEL_ERROR = 20,
    /** Log warnings and errors. */
    XKB_LOG_LEVEL_WARNING = 30,
    /** Log information, warnings, and errors. */
    XKB_LOG_LEVEL_INFO = 40,
    /** Log everything. */
    XKB_LOG_LEVEL_DEBUG = 50
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_keymap_compile_flags {
    /** Do not apply any flags. */
    XKB_KEYMAP_COMPILE_NO_FLAGS = 0,
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_keymap_format {
    /** Cannot be used for creation */
    XKB_KEYMAP_USE_ORIGINAL_FORMAT = 0,
    /** The current/classic XKB text format, as generated by xkbcomp -xkb. */
    XKB_KEYMAP_FORMAT_TEXT_V1 = 1,
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_key_direction {
    /** The key was released. */
    XKB_KEY_UP,
    /** The key was pressed. */
    XKB_KEY_DOWN
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_compose_compile_flags {
    XKB_COMPOSE_COMPILE_NO_FLAGS = 0
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_compose_format {
    XKB_COMPOSE_FORMAT_TEXT_V1 = 1
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_compose_state_flags {
    XKB_COMPOSE_STATE_NO_FLAGS = 0
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_compose_status {
    XKB_COMPOSE_NOTHING,
    XKB_COMPOSE_COMPOSING,
    XKB_COMPOSE_COMPOSED,
    XKB_COMPOSE_CANCELLED
 }
 #[repr(C)]
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum xkb_compose_feed_result {
    XKB_COMPOSE_FEED_IGNORED,
    XKB_COMPOSE_FEED_ACCEPTED
 }
 bitflags::bitflags!(
    pub struct xkb_state_component: u32 {
        /** Depressed modifiers, i.e. a key is physically holding them. */
        const XKB_STATE_MODS_DEPRESSED = (1 << 0);
        /** Latched modifiers, i.e. will be unset after the next non-modifier
         *  key press. */
        const XKB_STATE_MODS_LATCHED = (1 << 1);
        /** Locked modifiers, i.e. will be unset after the key provoking the
         *  lock has been pressed again. */
        const XKB_STATE_MODS_LOCKED = (1 << 2);
        /** Effective modifiers, i.e. currently active and affect key
         *  processing (derived from the other state components).
         *  Use this unless you explictly care how the state came about. */
        const XKB_STATE_MODS_EFFECTIVE = (1 << 3);
        /** Depressed layout, i.e. a key is physically holding it. */
        const XKB_STATE_LAYOUT_DEPRESSED = (1 << 4);
        /** Latched layout, i.e. will be unset after the next non-modifier
         *  key press. */
        const XKB_STATE_LAYOUT_LATCHED = (1 << 5);
        /** Locked layout, i.e. will be unset after the key provoking the lock
         *  has been pressed again. */
        const XKB_STATE_LAYOUT_LOCKED = (1 << 6);
        /** Effective layout, i.e. currently active and affects key processing
         *  (derived from the other state components).
         *  Use this unless you explictly care how the state came about. */
        const XKB_STATE_LAYOUT_EFFECTIVE = (1 << 7);
        /** LEDs (derived from the other state components). */
        const XKB_STATE_LEDS = (1 << 8);
    }
 );
 dlopen_external_library!(XkbCommon,
 functions:
    fn xkb_keysym_get_name(xkb_keysym_t, *mut c_char, usize) -> c_int,
    fn xkb_keysym_from_name(*const c_char, xkb_keysym_flags) -> xkb_keysym_t,
    fn xkb_keysym_to_utf8(xkb_keysym_t, *mut c_char, usize) -> c_int,
    fn xkb_keysym_to_utf32(xkb_keysym_t) -> u32,
    fn xkb_context_new(xkb_context_flags) -> *mut xkb_context,
    fn xkb_context_ref(*mut xkb_context) -> *mut xkb_context,
    fn xkb_context_unref(*mut xkb_context) -> (),
    fn xkb_context_set_user_data(*mut xkb_context, *mut c_void) -> (),
    fn xkb_context_get_user_data(*mut xkb_context) -> *mut c_void,
    fn xkb_context_include_path_append(*mut xkb_context, *const c_char) -> c_int,
    fn xkb_context_include_path_append_default(*mut xkb_context) -> c_int,
    fn xkb_context_include_path_reset_defaults(*mut xkb_context) -> c_int,
    fn xkb_context_include_path_clear(*mut xkb_context) -> (),
    fn xkb_context_num_include_paths(*mut xkb_context) -> c_uint,
    fn xkb_context_include_path_get(*mut xkb_context, c_uint) -> *const c_char,
    fn xkb_context_set_log_level(*mut xkb_context, xkb_log_level) -> (),
    fn xkb_context_get_log_level(*mut xkb_context) -> xkb_log_level,
    fn xkb_context_set_log_verbosity(*mut xkb_context, c_int) -> (),
    fn xkb_context_get_log_verbosity(*mut xkb_context) -> c_int,
    fn xkb_keymap_new_from_names(*mut xkb_context,
                                 *const xkb_rule_names,
                                 xkb_keymap_compile_flags
                                ) -> *mut xkb_keymap,
    fn xkb_keymap_new_from_string(*mut xkb_context,
                                  *const c_char,
                                  xkb_keymap_format,
                                  xkb_keymap_compile_flags
                                 ) -> *mut xkb_keymap,
    fn xkb_keymap_new_from_buffer(*mut xkb_context,
                                  *const c_char,
                                  usize,
                                  xkb_keymap_format,
                                  xkb_keymap_compile_flags
                                 ) -> *mut xkb_keymap,
    fn xkb_keymap_ref(*mut xkb_keymap) -> *mut xkb_keymap,
    fn xkb_keymap_unref(*mut xkb_keymap) -> (),
    fn xkb_keymap_get_as_string(*mut xkb_keymap, xkb_keymap_format) -> *const c_char,
    fn xkb_keymap_key_repeats(*mut xkb_keymap, xkb_keycode_t) -> c_int,
    fn xkb_state_new(*mut xkb_keymap) -> *mut xkb_state,
    fn xkb_state_ref(*mut xkb_state) -> *mut xkb_state,
    fn xkb_state_unref(*mut xkb_state) -> (),
    fn xkb_state_update_mask(*mut xkb_state,
                             xkb_mod_mask_t,
                             xkb_mod_mask_t,
                             xkb_mod_mask_t,
                             xkb_layout_index_t,
                             xkb_layout_index_t,
                             xkb_layout_index_t
                            ) -> xkb_state_component,
    fn xkb_state_update_key(*mut xkb_state,
                            xkb_keycode_t,
                            xkb_key_direction
                           ) -> xkb_state_component,
    fn xkb_state_key_get_syms(*mut xkb_state,
                              xkb_keycode_t,
                              *const *mut xkb_keysym_t
                             ) -> c_int,
    fn xkb_state_key_get_utf8(*mut xkb_state,
                              xkb_keycode_t,
                              *mut c_char,
                              usize
                             ) -> c_int,
    fn xkb_state_key_get_utf32(*mut xkb_state, xkb_keycode_t) -> u32,
    fn xkb_state_key_get_one_sym(*mut xkb_state, xkb_keycode_t) -> xkb_keysym_t,
    fn xkb_state_mod_name_is_active(*mut xkb_state, *const c_char, xkb_state_component) -> c_int,
    fn xkb_compose_table_new_from_locale(*mut xkb_context, *const c_char, xkb_compose_compile_flags) -> *mut xkb_compose_table,
    fn xkb_compose_table_unref(*mut xkb_compose_table) -> (),
    fn xkb_compose_state_new(*mut xkb_compose_table, xkb_compose_state_flags) -> *mut xkb_compose_state,
    fn xkb_compose_state_unref(*mut xkb_compose_state) -> (),
    fn xkb_compose_state_feed(*mut xkb_compose_state, xkb_keysym_t) -> xkb_compose_feed_result,
    fn xkb_compose_state_reset(*mut xkb_compose_state) -> (),
    fn xkb_compose_state_get_status(*mut xkb_compose_state) -> xkb_compose_status,
    fn xkb_compose_state_get_utf8(*mut xkb_compose_state, *mut c_char, usize) -> c_int,
    fn xkb_compose_state_get_one_sym(*mut xkb_compose_state) -> xkb_keysym_t,
 );
 lazy_static::lazy_static!(
    pub static ref XKBCOMMON_OPTION: Option<XkbCommon> = {
        XkbCommon::open("libxkbcommon.so.0")
            .or_else(|_| XkbCommon::open("libxkbcommon.so"))
            .ok()
    };
    pub static ref XKBCOMMON_HANDLE: &'static XkbCommon = {
        XKBCOMMON_OPTION.as_ref().expect("Library libxkbcommon.so could not be loaded.")
    };
 );
@@ -1,17 +0,0 @@
 #![allow(missing_docs, non_upper_case_globals, unused_parens, clippy::all)]
 pub const XKB_KEY_BackSpace: u32 = 0xff08; /* Back space, back char */
 pub const XKB_KEY_Tab: u32 = 0xff09;
 pub const XKB_KEY_Return: u32 = 0xff0d; /* Return, enter */
 pub const XKB_KEY_Escape: u32 = 0xff1b;
 pub const XKB_KEY_Delete: u32 = 0xffff; /* Delete, rubout */
 pub const XKB_KEY_Home: u32 = 0xff50;
 pub const XKB_KEY_Left: u32 = 0xff51; /* Move left, left arrow */
 pub const XKB_KEY_Right: u32 = 0xff53; /* Move right, right arrow */
 pub const XKB_KEY_End: u32 = 0xff57; /* EOL */
 pub const XKB_KEY_ISO_Left_Tab: u32 = 0xfe20;
 pub const XKB_KEY_e: u32 = 0x0065; /* U+0065 LATIN SMALL LETTER E */
 pub const XKB_KEY_a: u32 = 0x0061; /* U+0061 LATIN SMALL LETTER A */
 pub const XKB_KEY_c: u32 = 0x0063; /* U+0063 LATIN SMALL LETTER C */
 pub const XKB_KEY_u: u32 = 0x0075; /* U+0075 LATIN SMALL LETTER U */
@@ -12,263 +12,99 @@
 //! calloop event loop. Not doing so will prevent key repetition to work
 //! (but the rest of the functionnality will not be affected).
-use std::{cell::RefCell, os::unix::io::RawFd, rc::Rc};
+use std::{
-
+    default::Default,
-use byteorder::{ByteOrder, NativeEndian};
+    os::unix::io::{AsRawFd, OwnedFd},
 pub use wayland_client::protocol::wl_keyboard::KeyState;
 use wayland_client::{
    protocol::{wl_keyboard, wl_seat, wl_surface},
    Attached,
 };
-mod ffi;
+use wayland_client::{protocol::wl_keyboard, WEnum};
-pub mod keysyms;
+use xkbcommon::xkb;
 pub use xkbcommon::xkb::keysyms;
 mod repeat;
 mod state;
 pub use self::repeat::{KeyRepeatSource, RepeatMessage};
 use self::state::KbState;
-pub use self::state::{ModifiersState, RMLVO};
+pub use self::state::ModifiersState;
-#[derive(Debug)]
+#[derive(Debug, Clone)]
-/// An error that occurred while trying to initialize a mapped keyboard
+pub struct KeyEvent {
-pub enum Error {
+    pub rawkey: u32,
-    /// libxkbcommon is not available
+    pub keysym: u32,
-    XKBNotFound,
+    pub state: WEnum<wl_keyboard::KeyState>,
-    /// Provided RMLVO specified a keymap that would not be loaded
+    pub modifiers: ModifiersState,
-    BadNames,
+    pub utf8: Option<String>,
    pub repeats: bool,
 }
-/// Events received from a mapped keyboard
+pub struct KeymapDescription {
-pub enum Event<'a> {
+    fd: OwnedFd,
    /// The keyboard focus has entered a surface
    Enter {
        /// serial number of the event
        serial: u32,
        /// surface that was entered
        surface: wl_surface::WlSurface,
        /// raw values of the currently pressed keys
        rawkeys: &'a [u32],
        /// interpreted symbols of the currently pressed keys
        keysyms: &'a [u32],
    },
    /// The keyboard focus has left a surface
    Leave {
        /// serial number of the event
        serial: u32,
        /// surface that was left
        surface: wl_surface::WlSurface,
    },
    /// The key modifiers have changed state
    Modifiers {
        /// current state of the modifiers
        modifiers: ModifiersState,
    },
    /// A key event occurred
    Key {
        /// serial number of the event
        serial: u32,
        /// time at which the keypress occurred
        time: u32,
        /// raw value of the key
        rawkey: u32,
        /// interpreted symbol of the key
        keysym: u32,
        /// new state of the key
        state: KeyState,
        /// utf8 interpretation of the entered text
        ///
        /// will always be `None` on key release events
        utf8: Option<String>,
        repeats: bool,
    },
    RepeatInfo {
        rate: i32,
        delay: i32,
    },
 }
 /// Implement a keyboard for keymap translation with key repetition
 ///
 /// This requires you to provide a callback to receive the events after they
 /// have been interpreted with the keymap.
 ///
 /// The keymap will be loaded from the provided RMLVO rules, or from the compositor
 /// provided keymap if `None`.
 ///
 /// Returns an error if xkbcommon could not be initialized, the RMLVO specification
 /// contained invalid values, or if the provided seat does not have keyboard capability.
 ///
 /// **Note:** This adapter does not handle key repetition. See `map_keyboard_repeat` for that.
 pub fn map_keyboard<F>(
    seat: &Attached<wl_seat::WlSeat>,
    rmlvo: Option<RMLVO>,
    callback: F,
 ) -> Result<wl_keyboard::WlKeyboard, Error>
 where
    F: FnMut(Event<'_>, wl_keyboard::WlKeyboard, wayland_client::DispatchData<'_>) + 'static,
 {
    let keyboard = seat.get_keyboard();
    let state = Rc::new(RefCell::new(
        rmlvo
            .map(KbState::from_rmlvo)
            .unwrap_or_else(KbState::new)?,
    ));
    let callback = Rc::new(RefCell::new(callback));
    // prepare the handler
    let mut kbd_handler = KbdHandler { callback, state };
    keyboard.quick_assign(move |keyboard, event, data| {
        kbd_handler.event(keyboard.detach(), event, data)
    });
    Ok(keyboard.detach())
 }
 /*
 * Classic handling
 */
 type KbdCallback = dyn FnMut(Event<'_>, wl_keyboard::WlKeyboard, wayland_client::DispatchData<'_>);
 struct KbdHandler {
    state: Rc<RefCell<KbState>>,
    callback: Rc<RefCell<KbdCallback>>,
 }
 impl KbdHandler {
    fn event(
        &mut self,
        kbd: wl_keyboard::WlKeyboard,
        event: wl_keyboard::Event,
        dispatch_data: wayland_client::DispatchData,
    ) {
        use wl_keyboard::Event;
        match event {
            Event::Keymap { format, fd, size } => self.keymap(kbd, format, fd, size),
            Event::Enter {
                serial,
                surface,
                keys,
            } => self.enter(kbd, serial, surface, keys, dispatch_data),
            Event::Leave { serial, surface } => self.leave(kbd, serial, surface, dispatch_data),
            Event::Key {
                serial,
                time,
                key,
                state,
            } => self.key(kbd, serial, time, key, state, dispatch_data),
            Event::Modifiers {
                mods_depressed,
                mods_latched,
                mods_locked,
                group,
                ..
            } => self.modifiers(
                kbd,
                mods_depressed,
                mods_latched,
                mods_locked,
                group,
                dispatch_data,
            ),
            Event::RepeatInfo { rate, delay } => self.repeat_info(kbd, rate, delay, dispatch_data),
            _ => {}
        }
    }
    fn keymap(
        &mut self,
        _: wl_keyboard::WlKeyboard,
        format: wl_keyboard::KeymapFormat,
        fd: RawFd,
    size: u32,
    ) {
        let mut state = self.state.borrow_mut();
        if state.locked() {
            // state is locked, ignore keymap updates
            return;
 }
-        if state.ready() {
+
-            // new keymap, we first deinit to free resources
+impl KeymapDescription {
-            unsafe {
+    fn new(fd: OwnedFd, size: u32) -> KeymapDescription {
-                state.de_init();
+        KeymapDescription { fd: fd, size: size }
    }
 }
 impl Clone for KeymapDescription {
    fn clone(&self) -> Self {
        KeymapDescription::new(self.fd.try_clone().expect("unable to clone fd"), self.size)
    }
 }
 pub struct Keyboard {
    state: Option<KbState>,
    desc: Option<KeymapDescription>,
 }
 impl Keyboard {
    pub fn new() -> Keyboard {
        Keyboard {
            state: None,
            desc: None,
        }
    }
    pub fn keymap(&mut self, format: WEnum<wl_keyboard::KeymapFormat>, fd: OwnedFd, size: u32) {
        match format {
-            wl_keyboard::KeymapFormat::XkbV1 => unsafe {
+            WEnum::Value(wl_keyboard::KeymapFormat::XkbV1) => {
-                state.init_with_fd(fd, size as usize);
+                self.desc = Some(KeymapDescription::new(fd, size));
-            },
+            }
-            wl_keyboard::KeymapFormat::NoKeymap => {
+            WEnum::Value(wl_keyboard::KeymapFormat::NoKeymap) => {
                // TODO: how to handle this (hopefully never occuring) case?
            }
            _ => unreachable!(),
        }
    }
-    fn enter(
+    pub fn resolve(&mut self) {
-        &mut self,
+        if self.state.is_some() {
-        object: wl_keyboard::WlKeyboard,
+            return;
-        serial: u32,
+        }
-        surface: wl_surface::WlSurface,
+
-        keys: Vec<u8>,
+        if let Some(desc) = self.desc.take() {
-        dispatch_data: wayland_client::DispatchData,
+            self.state = Some(
-    ) {
+                KbState::new_from_fd(desc.fd, desc.size as usize).expect("unable to load keymap"),
        let mut state = self.state.borrow_mut();
        let rawkeys = keys
            .chunks_exact(4)
            .map(NativeEndian::read_u32)
            .collect::<Vec<_>>();
        let keys: Vec<u32> = rawkeys.iter().map(|k| state.get_one_sym_raw(*k)).collect();
        (&mut *self.callback.borrow_mut())(
            Event::Enter {
                serial,
                surface,
                rawkeys: &rawkeys,
                keysyms: &keys,
            },
            object,
            dispatch_data,
            );
        }
    fn leave(
        &mut self,
        object: wl_keyboard::WlKeyboard,
        serial: u32,
        surface: wl_surface::WlSurface,
        dispatch_data: wayland_client::DispatchData,
    ) {
        (&mut *self.callback.borrow_mut())(Event::Leave { serial, surface }, object, dispatch_data);
    }
-    fn key(
+    pub fn key(&mut self, key: u32, key_state: WEnum<wl_keyboard::KeyState>) -> KeyEvent {
-        &mut self,
+        if let Some(state) = &mut self.state {
        object: wl_keyboard::WlKeyboard,
        serial: u32,
        time: u32,
        key: u32,
        key_state: wl_keyboard::KeyState,
        dispatch_data: wayland_client::DispatchData,
    ) {
            let (sym, utf8, repeats) = {
            let mut state = self.state.borrow_mut();
                // Get the values to generate a key event
                let sym = state.get_one_sym_raw(key);
-            let utf8 = if key_state == wl_keyboard::KeyState::Pressed {
+                let utf8 = if key_state == WEnum::Value(wl_keyboard::KeyState::Pressed) {
                    match state.compose_feed(sym) {
-                    Some(ffi::xkb_compose_feed_result::XKB_COMPOSE_FEED_ACCEPTED) => {
+                        Some(xkb::compose::FeedResult::Accepted) => {
                            if let Some(status) = state.compose_status() {
                                match status {
-                                ffi::xkb_compose_status::XKB_COMPOSE_COMPOSED => {
+                                    xkb::compose::Status::Composed => state.compose_get_utf8(),
-                                    state.compose_get_utf8()
+                                    xkb::compose::Status::Nothing => state.get_utf8_raw(key),
                                }
                                ffi::xkb_compose_status::XKB_COMPOSE_NOTHING => {
                                    state.get_utf8_raw(key)
                                }
                                    _ => None,
                                }
                            } else {
@@ -287,58 +123,38 @@ impl KbdHandler {
                } else {
                    None
                };
-            let repeats = unsafe { state.key_repeats(key + 8) };
+                let repeats = state.key_repeats(xkb::Keycode::new(key + 8));
                (sym, utf8, repeats)
            };
-
+            KeyEvent {
        (&mut *self.callback.borrow_mut())(
            Event::Key {
                serial,
                time,
                rawkey: key,
                keysym: sym,
                state: key_state,
                modifiers: state.mods_state(),
                utf8,
                repeats,
-            },
+            }
-            object,
+        } else {
-            dispatch_data,
+            KeyEvent {
-        );
+                rawkey: key,
                keysym: 0,
                state: key_state,
                modifiers: Default::default(),
                utf8: None,
                repeats: false,
            }
        }
    }
-    fn modifiers(
+    pub fn modifiers(
        &mut self,
        object: wl_keyboard::WlKeyboard,
        mods_depressed: u32,
        mods_latched: u32,
        mods_locked: u32,
        group: u32,
        dispatch_data: wayland_client::DispatchData,
    ) {
-        {
+        if let Some(state) = &mut self.state {
            let mut state = self.state.borrow_mut();
            state.update_modifiers(mods_depressed, mods_latched, mods_locked, group);
            (&mut *self.callback.borrow_mut())(
                Event::Modifiers {
                    modifiers: state.mods_state(),
                },
                object,
                dispatch_data,
            );
        }
    }
    fn repeat_info(
        &mut self,
        object: wl_keyboard::WlKeyboard,
        rate: i32,
        delay: i32,
        dispatch_data: wayland_client::DispatchData,
    ) {
        (&mut *self.callback.borrow_mut())(
            Event::RepeatInfo { rate, delay },
            object,
            dispatch_data,
        );
    }
 }
@@ -0,0 +1,173 @@
 use std::time::Duration;
 use calloop::{
    channel::{self, Channel},
    timer::{TimeoutAction, Timer},
    EventSource, Poll, PostAction, Readiness, Token, TokenFactory,
 };
 use wayland_client::{protocol::wl_keyboard, WEnum};
 use super::KeyEvent;
 #[derive(Debug)]
 pub enum RepeatMessage {
    StopRepeat,
    KeyEvent(KeyEvent),
    RepeatInfo((u32, u32)),
 }
 #[derive(Debug)]
 pub struct KeyRepeatSource {
    channel: Channel<RepeatMessage>,
    timer: Timer,
    rate: Duration,
    delay: Duration,
    disabled: bool,
    key: Option<KeyEvent>,
 }
 impl KeyRepeatSource {
    pub fn new(ch: channel::Channel<RepeatMessage>) -> KeyRepeatSource {
        KeyRepeatSource {
            channel: ch,
            timer: Timer::immediate(),
            delay: Duration::ZERO,
            rate: Duration::ZERO,
            disabled: true,
            key: None,
        }
    }
 }
 impl EventSource for KeyRepeatSource {
    type Event = KeyEvent;
    type Metadata = ();
    type Ret = ();
    type Error = calloop::Error;
    fn process_events<F>(
        &mut self,
        readiness: Readiness,
        token: Token,
        mut callback: F,
    ) -> calloop::Result<PostAction>
    where
        F: FnMut(Self::Event, &mut Self::Metadata) -> Self::Ret,
    {
        let mut removed = false;
        let timer = &mut self.timer;
        let rate = &mut self.rate;
        let delay = &mut self.delay;
        let key = &mut self.key;
        let disabled = &mut self.disabled;
        let mut reregister = false;
        let now = std::time::Instant::now();
        // Check if the key repeat should stop
        let channel_pa = self
            .channel
            .process_events(readiness, token, |event, _| match event {
                channel::Event::Msg(message) => match message {
                    RepeatMessage::StopRepeat => {
                        key.take();
                    }
                    RepeatMessage::KeyEvent(event) => match event.state {
                        WEnum::Value(wl_keyboard::KeyState::Pressed) => {
                            key.replace(event);
                            reregister = true;
                            timer.set_deadline(now + *delay);
                        }
                        WEnum::Value(wl_keyboard::KeyState::Released) => match key {
                            Some(k) if k.keysym == event.keysym => {
                                key.take();
                            }
                            _ => (),
                        },
                        _ => (),
                    },
                    RepeatMessage::RepeatInfo((new_rate, new_delay)) => {
                        *rate = Duration::from_micros(1_000_000 / new_rate as u64);
                        *delay = Duration::from_millis(new_delay as u64);
                        *disabled = false;
                        if key.is_some() {
                            timer.set_deadline(now + *delay);
                        }
                    }
                },
                channel::Event::Closed => {
                    removed = true;
                }
            })
            .map_err(|err| calloop::Error::OtherError(Box::new(err)))?;
        // Keyboard was destroyed
        if removed {
            return Ok(PostAction::Remove);
        }
        // Re-register the timer to start it again
        if reregister {
            return Ok(PostAction::Reregister);
        }
        let timer_pa = timer.process_events(readiness, token, |deadline, _| {
            if self.disabled || key.is_none() {
                return TimeoutAction::Drop;
            }
            if deadline - now > std::time::Duration::from_millis(5) {
                // We have not yet reached the deadline within our tolerance
                return TimeoutAction::ToInstant(deadline);
            }
            // Invoke the event
            callback(key.as_ref().unwrap().clone(), &mut ());
            let mut next_deadline = deadline;
            if now - deadline > *rate * 2 {
                // We're way behind, let's just set a new time
                println!("KeyRepeatSource::process_events: More than two repeat cycles behind, resetting");
                next_deadline = now + *rate;
            } else {
                while next_deadline < now {
                    next_deadline += *rate;
                }
            }
            TimeoutAction::ToInstant(next_deadline)
        })?;
        // Only disable or remove if both want to, otherwise continue or re-register
        Ok(match (timer_pa, channel_pa) {
            (PostAction::Disable, PostAction::Disable) => PostAction::Disable,
            (PostAction::Remove, PostAction::Remove) => PostAction::Remove,
            (PostAction::Reregister, _) | (_, PostAction::Reregister) => PostAction::Reregister,
            _ => PostAction::Continue,
        })
    }
    fn register(
        &mut self,
        poll: &mut Poll,
        token_factory: &mut TokenFactory,
    ) -> calloop::Result<()> {
        self.channel.register(poll, token_factory)?;
        self.timer.register(poll, token_factory)
    }
    fn reregister(
        &mut self,
        poll: &mut Poll,
        token_factory: &mut TokenFactory,
    ) -> calloop::Result<()> {
        self.channel.reregister(poll, token_factory)?;
        self.timer.reregister(poll, token_factory)
    }
    fn unregister(&mut self, poll: &mut Poll) -> calloop::Result<()> {
        self.channel.unregister(poll)?;
        self.timer.unregister(poll)
    }
 }
@@ -1,48 +1,14 @@
-use std::{
+use std::{env, os::unix::io::OwnedFd};
    env,
    ffi::CString,
    fs::File,
    os::raw::c_char,
    os::unix::{
        ffi::OsStringExt,
        io::{FromRawFd, RawFd},
    },
    ptr,
 };
-use memmap::MmapOptions;
+use xkbcommon::xkb;
 use super::ffi::{self, xkb_state_component, XKBCOMMON_HANDLE as XKBH};
 use super::Error;
 pub struct KbState {
-    xkb_context: *mut ffi::xkb_context,
+    xkb_context: xkb::Context,
-    xkb_keymap: *mut ffi::xkb_keymap,
+    xkb_keymap: xkb::Keymap,
-    xkb_state: *mut ffi::xkb_state,
+    xkb_state: xkb::State,
-    xkb_compose_table: *mut ffi::xkb_compose_table,
+    xkb_compose_table: Option<xkb::compose::Table>,
-    xkb_compose_state: *mut ffi::xkb_compose_state,
+    xkb_compose_state: Option<xkb::compose::State>,
    mods_state: ModifiersState,
    locked: bool,
 }
 /// The RMLVO description of a keymap
 ///
 /// All fields are optional, and the system default
 /// will be used if set to `None`.
 pub struct RMLVO {
    /// The rules file to use
    pub rules: Option<String>,
    /// The keyboard model by which to interpret keycodes and LEDs
    pub model: Option<String>,
    /// A comma separated list of layouts (languages) to include in the keymap
    pub layout: Option<String>,
    /// A comma separated list of variants, one per layout, which may modify or
    /// augment the respective layout in various ways
    pub variant: Option<String>,
    /// A comma separated list of options, through which the user specifies
    /// non-layout related preferences, like which key combinations are
    /// used for switching layouts, or which key is the Compose key.
    pub options: Option<String>,
 }
 /// Represents the current state of the keyboard modifiers
@@ -74,52 +40,19 @@ impl ModifiersState {
        ModifiersState::default()
    }
-    fn update_with(&mut self, state: *mut ffi::xkb_state) {
+    fn update_with(&mut self, state: &xkb::State) {
-        self.ctrl = unsafe {
+        self.ctrl = state.mod_name_is_active("Control", xkb::STATE_MODS_EFFECTIVE);
-            (XKBH.xkb_state_mod_name_is_active)(
+        self.alt = state.mod_name_is_active("Mod1", xkb::STATE_MODS_EFFECTIVE);
-                state,
+        self.shift = state.mod_name_is_active("Shift", xkb::STATE_MODS_EFFECTIVE);
-                ffi::XKB_MOD_NAME_CTRL.as_ptr() as *const c_char,
+        self.caps_lock = state.mod_name_is_active("Lock", xkb::STATE_MODS_EFFECTIVE);
-                xkb_state_component::XKB_STATE_MODS_EFFECTIVE,
+        self.num_lock = state.mod_name_is_active("Mod2", xkb::STATE_MODS_EFFECTIVE);
-            ) > 0
+        self.logo = state.mod_name_is_active("Mod4", xkb::STATE_MODS_EFFECTIVE);
        };
        self.alt = unsafe {
            (XKBH.xkb_state_mod_name_is_active)(
                state,
                ffi::XKB_MOD_NAME_ALT.as_ptr() as *const c_char,
                xkb_state_component::XKB_STATE_MODS_EFFECTIVE,
            ) > 0
        };
        self.shift = unsafe {
            (XKBH.xkb_state_mod_name_is_active)(
                state,
                ffi::XKB_MOD_NAME_SHIFT.as_ptr() as *const c_char,
                xkb_state_component::XKB_STATE_MODS_EFFECTIVE,
            ) > 0
        };
        self.caps_lock = unsafe {
            (XKBH.xkb_state_mod_name_is_active)(
                state,
                ffi::XKB_MOD_NAME_CAPS.as_ptr() as *const c_char,
                xkb_state_component::XKB_STATE_MODS_EFFECTIVE,
            ) > 0
        };
        self.logo = unsafe {
            (XKBH.xkb_state_mod_name_is_active)(
                state,
                ffi::XKB_MOD_NAME_LOGO.as_ptr() as *const c_char,
                xkb_state_component::XKB_STATE_MODS_EFFECTIVE,
            ) > 0
        };
        self.num_lock = unsafe {
            (XKBH.xkb_state_mod_name_is_active)(
                state,
                ffi::XKB_MOD_NAME_NUM.as_ptr() as *const c_char,
                xkb_state_component::XKB_STATE_MODS_EFFECTIVE,
            ) > 0
        };
    }
 }
 // Safety: No.
 unsafe impl Send for KbState {}
 impl KbState {
    pub(crate) fn update_modifiers(
        &mut self,
@@ -128,157 +61,74 @@ impl KbState {
        mods_locked: u32,
        group: u32,
    ) {
-        if !self.ready() {
+        let mask =
-            return;
+            self.xkb_state
-        }
+                .update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
-        let mask = unsafe {
+        if (mask & xkb::STATE_MODS_EFFECTIVE) > 0 {
            (XKBH.xkb_state_update_mask)(
                self.xkb_state,
                mods_depressed,
                mods_latched,
                mods_locked,
                0,
                0,
                group,
            )
        };
        if mask.contains(xkb_state_component::XKB_STATE_MODS_EFFECTIVE) {
            // effective value of mods have changed, we need to update our state
-            self.mods_state.update_with(self.xkb_state);
+            self.mods_state.update_with(&self.xkb_state);
        }
    }
    pub(crate) fn get_one_sym_raw(&mut self, keycode: u32) -> u32 {
-        if !self.ready() {
+        self.xkb_state
-            return 0;
+            .key_get_one_sym(xkb::Keycode::new(keycode + 8))
-        }
+            .raw()
        unsafe { (XKBH.xkb_state_key_get_one_sym)(self.xkb_state, keycode + 8) }
    }
    pub(crate) fn get_utf8_raw(&mut self, keycode: u32) -> Option<String> {
-        if !self.ready() {
+        Some(self.xkb_state.key_get_utf8(xkb::Keycode::new(keycode + 8)))
            return None;
        }
        let size = unsafe {
            (XKBH.xkb_state_key_get_utf8)(self.xkb_state, keycode + 8, ptr::null_mut(), 0)
        } + 1;
        if size <= 1 {
            return None;
        };
        let mut buffer = Vec::with_capacity(size as usize);
        unsafe {
            buffer.set_len(size as usize);
            (XKBH.xkb_state_key_get_utf8)(
                self.xkb_state,
                keycode + 8,
                buffer.as_mut_ptr() as *mut _,
                size as usize,
            );
        };
        // remove the final `\0`
        buffer.pop();
        // libxkbcommon will always provide valid UTF8
        Some(unsafe { String::from_utf8_unchecked(buffer) })
    }
-    pub(crate) fn compose_feed(&mut self, keysym: u32) -> Option<ffi::xkb_compose_feed_result> {
+    pub(crate) fn compose_feed(&mut self, keysym: u32) -> Option<xkb::compose::FeedResult> {
-        if !self.ready() || self.xkb_compose_state.is_null() {
+        match &mut self.xkb_compose_state {
-            return None;
+            Some(compose_state) => Some(compose_state.feed(xkb::Keysym::new(keysym))),
            None => None,
        }
        Some(unsafe { (XKBH.xkb_compose_state_feed)(self.xkb_compose_state, keysym) })
    }
-    pub(crate) fn compose_status(&mut self) -> Option<ffi::xkb_compose_status> {
+    pub(crate) fn compose_status(&mut self) -> Option<xkb::compose::Status> {
-        if !self.ready() || self.xkb_compose_state.is_null() {
+        match &mut self.xkb_compose_state {
-            return None;
+            Some(compose_state) => Some(compose_state.status()),
            None => None,
        }
        Some(unsafe { (XKBH.xkb_compose_state_get_status)(self.xkb_compose_state) })
    }
    pub(crate) fn compose_get_utf8(&mut self) -> Option<String> {
-        if !self.ready() || self.xkb_compose_state.is_null() {
+        match &mut self.xkb_compose_state {
-            return None;
+            Some(compose_state) => compose_state.utf8(),
            None => None,
        }
        let size = unsafe {
            (XKBH.xkb_compose_state_get_utf8)(self.xkb_compose_state, ptr::null_mut(), 0)
        } + 1;
        if size <= 1 {
            return None;
        };
        let mut buffer = Vec::with_capacity(size as usize);
        unsafe {
            buffer.set_len(size as usize);
            (XKBH.xkb_compose_state_get_utf8)(
                self.xkb_compose_state,
                buffer.as_mut_ptr() as *mut _,
                size as usize,
            );
        };
        // remove the final `\0`
        buffer.pop();
        // libxkbcommon will always provide valid UTF8
        Some(unsafe { String::from_utf8_unchecked(buffer) })
    }
-    pub(crate) fn new() -> Result<KbState, Error> {
+    pub(crate) fn new_from_fd(fd: OwnedFd, size: usize) -> Result<KbState, std::io::Error> {
-        let xkbh = match ffi::XKBCOMMON_OPTION.as_ref() {
+        let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
-            Some(h) => h,
+        let xkb_keymap = unsafe {
-            None => return Err(Error::XKBNotFound),
+            xkb::Keymap::new_from_fd(
                &xkb_context,
                fd,
                size,
                xkb::KEYMAP_FORMAT_TEXT_V1,
                xkb::KEYMAP_COMPILE_NO_FLAGS,
            )?
            .unwrap()
        };
-        let xkb_context =
+        let xkb_state = xkb::State::new(&xkb_keymap);
            unsafe { (xkbh.xkb_context_new)(ffi::xkb_context_flags::XKB_CONTEXT_NO_FLAGS) };
        if xkb_context.is_null() {
            return Err(Error::XKBNotFound);
        }
        let mut me = KbState {
            xkb_context,
-            xkb_keymap: ptr::null_mut(),
+            xkb_keymap,
-            xkb_state: ptr::null_mut(),
+            xkb_state,
-            xkb_compose_table: ptr::null_mut(),
+            xkb_compose_table: None,
-            xkb_compose_state: ptr::null_mut(),
+            xkb_compose_state: None,
            mods_state: ModifiersState::new(),
            locked: false,
        };
        unsafe {
        me.init_compose();
        }
        Ok(me)
    }
-    pub(crate) fn from_rmlvo(rmlvo: RMLVO) -> Result<KbState, Error> {
+    pub(crate) fn init_compose(&mut self) {
        fn to_cstring(s: Option<String>) -> Result<Option<CString>, Error> {
            s.map_or(Ok(None), |s| CString::new(s).map(Option::Some))
                .map_err(|_| Error::BadNames)
        }
        let mut state = KbState::new()?;
        let rules = to_cstring(rmlvo.rules)?;
        let model = to_cstring(rmlvo.model)?;
        let layout = to_cstring(rmlvo.layout)?;
        let variant = to_cstring(rmlvo.variant)?;
        let options = to_cstring(rmlvo.options)?;
        let xkb_names = ffi::xkb_rule_names {
            rules: rules.map_or(ptr::null(), |s| s.as_ptr()),
            model: model.map_or(ptr::null(), |s| s.as_ptr()),
            layout: layout.map_or(ptr::null(), |s| s.as_ptr()),
            variant: variant.map_or(ptr::null(), |s| s.as_ptr()),
            options: options.map_or(ptr::null(), |s| s.as_ptr()),
        };
        unsafe {
            state.init_with_rmlvo(xkb_names)?;
        }
        state.locked = true;
        Ok(state)
    }
    pub(crate) unsafe fn init_compose(&mut self) {
        let locale = env::var_os("LC_ALL")
            .and_then(|v| if v.is_empty() { None } else { Some(v) })
            .or_else(|| env::var_os("LC_CTYPE"))
@@ -286,99 +136,24 @@ impl KbState {
            .or_else(|| env::var_os("LANG"))
            .and_then(|v| if v.is_empty() { None } else { Some(v) })
            .unwrap_or_else(|| "C".into());
        let locale = CString::new(locale.into_vec()).unwrap();
-        let compose_table = (XKBH.xkb_compose_table_new_from_locale)(
+        let compose_table = match xkb::compose::Table::new_from_locale(
-            self.xkb_context,
+            &self.xkb_context,
-            locale.as_ptr(),
+            &locale,
-            ffi::xkb_compose_compile_flags::XKB_COMPOSE_COMPILE_NO_FLAGS,
+            xkb::compose::COMPILE_NO_FLAGS,
-        );
+        ) {
            Ok(t) => t,
            Err(_) => return,
        };
-        if compose_table.is_null() {
+        let compose_state = xkb::compose::State::new(&compose_table, xkb::compose::STATE_NO_FLAGS);
-            // init of compose table failed, continue without compose
+
-            return;
+        self.xkb_compose_table = Some(compose_table);
        self.xkb_compose_state = Some(compose_state);
    }
-        let compose_state = (XKBH.xkb_compose_state_new)(
+    pub(crate) fn key_repeats(&mut self, keycode: xkb::Keycode) -> bool {
-            compose_table,
+        self.xkb_keymap.key_repeats(keycode)
            ffi::xkb_compose_state_flags::XKB_COMPOSE_STATE_NO_FLAGS,
        );
        if compose_state.is_null() {
            // init of compose state failed, continue without compose
            (XKBH.xkb_compose_table_unref)(compose_table);
            return;
        }
        self.xkb_compose_table = compose_table;
        self.xkb_compose_state = compose_state;
    }
    pub(crate) unsafe fn post_init(&mut self, xkb_keymap: *mut ffi::xkb_keymap) {
        let xkb_state = (XKBH.xkb_state_new)(xkb_keymap);
        self.xkb_keymap = xkb_keymap;
        self.xkb_state = xkb_state;
        self.mods_state.update_with(xkb_state);
    }
    pub(crate) unsafe fn de_init(&mut self) {
        (XKBH.xkb_state_unref)(self.xkb_state);
        self.xkb_state = ptr::null_mut();
        (XKBH.xkb_keymap_unref)(self.xkb_keymap);
        self.xkb_keymap = ptr::null_mut();
    }
    pub(crate) unsafe fn init_with_fd(&mut self, fd: RawFd, size: usize) {
        let map = MmapOptions::new()
            .len(size)
            .map(&File::from_raw_fd(fd))
            .unwrap();
        let xkb_keymap = (XKBH.xkb_keymap_new_from_string)(
            self.xkb_context,
            map.as_ptr() as *const _,
            ffi::xkb_keymap_format::XKB_KEYMAP_FORMAT_TEXT_V1,
            ffi::xkb_keymap_compile_flags::XKB_KEYMAP_COMPILE_NO_FLAGS,
        );
        if xkb_keymap.is_null() {
            panic!("Received invalid keymap from compositor.");
        }
        self.post_init(xkb_keymap);
    }
    pub(crate) unsafe fn init_with_rmlvo(
        &mut self,
        names: ffi::xkb_rule_names,
    ) -> Result<(), Error> {
        let xkb_keymap = (XKBH.xkb_keymap_new_from_names)(
            self.xkb_context,
            &names,
            ffi::xkb_keymap_compile_flags::XKB_KEYMAP_COMPILE_NO_FLAGS,
        );
        if xkb_keymap.is_null() {
            return Err(Error::BadNames);
        }
        self.post_init(xkb_keymap);
        Ok(())
    }
    pub(crate) unsafe fn key_repeats(&mut self, xkb_keycode_t: ffi::xkb_keycode_t) -> bool {
        (XKBH.xkb_keymap_key_repeats)(self.xkb_keymap, xkb_keycode_t) == 1
    }
    #[inline]
    pub(crate) fn ready(&self) -> bool {
        !self.xkb_state.is_null()
    }
    #[inline]
    pub(crate) fn locked(&self) -> bool {
        self.locked
    }
    #[inline]
@@ -386,15 +161,3 @@ impl KbState {
        self.mods_state
    }
 }
 impl Drop for KbState {
    fn drop(&mut self) {
        unsafe {
            (XKBH.xkb_compose_state_unref)(self.xkb_compose_state);
            (XKBH.xkb_compose_table_unref)(self.xkb_compose_table);
            (XKBH.xkb_state_unref)(self.xkb_state);
            (XKBH.xkb_keymap_unref)(self.xkb_keymap);
            (XKBH.xkb_context_unref)(self.xkb_context);
        }
    }
 }
@@ -1,389 +1,353 @@
 use std::env;
 use std::fs::File;
 use std::io::{BufRead, BufReader, Read, Write};
 use std::os::unix::io::AsRawFd;
 use std::os::unix::net::{UnixListener, UnixStream};
 use std::{collections::HashMap, sync::mpsc::channel};
 use chrono::{Duration, Local};
 use nix::poll::{poll, PollFd, PollFlags};
 use os_pipe::pipe;
 use timerfd::{SetTimeFlags, TimerFd, TimerState};
 mod app;
 mod buffer;
 mod cmd;
 mod color;
 mod config;
 mod configfmt;
 mod data;
 mod desktop;
 mod doublemempool;
 mod draw;
 mod event;
 mod fonts;
 mod keyboard;
-mod widget;
+mod state;
 mod utils;
 mod widgets;
-#[macro_use]
+use wayland_client::{Connection, QueueHandle, WaylandSource};
 extern crate dlib;
-use app::{App, OutputMode};
+use calloop::{
-use cmd::Cmd;
+    timer::{TimeoutAction, Timer},
    EventLoop,
 };
 use chrono::{Duration, Local, Timelike};
 use buffer::BufferView;
 use config::Config;
-use configfmt::ConfigFmt;
+use event::{Event, Events};
-use fonts::{FontLoader, FontMap, FontSeeker};
+use fonts::{FontMap, MaybeFontMap};
-use widget::WaitContext;
+use keyboard::{KeyRepeatSource, RepeatMessage};
 use state::State;
 use utils::{
    desktop::{load_desktop_files, write_desktop_cache},
    xdg,
 };
 use widgets::{Geometry, Widget};
-enum Mode {
+use std::{
-    Start,
+    env,
-    Daemonize,
+    fs::File,
-    StartOrKill,
+    io::{BufRead, BufReader, Write},
-    ToggleVisible,
+    os::unix::net::{UnixListener, UnixStream},
-    PrintConfig(ConfigFmt),
+    rc::Rc,
    thread,
 };
 fn print_usage() {
    println!(
        "
 usage: wldash [OPTIONS]
 OPTIONS:
  --config CONFIG_FILE                     use the specified config file
                                           (~/.config/wldash/config.yml by default)
  --write-default-config [v1|v2|toplevel]  generate and write a new config file
                                           (v2 by default)
  --desktop-refresh                        refresh desktop file cache
 "
    );
 }
 fn main() {
    let mut args = env::args();
    // Skip program name
    _ = args.next();
    let mut config_file = format!("{}/wldash/config.yml", xdg::config_folder());
    loop {
        match args.next() {
            Some(ref s) if s == "--config" => match args.next() {
                Some(ref s) => config_file = s.clone(),
                None => panic!("missing argument to --config"),
            },
            Some(ref s) if s == "--write-default-config" => {
                let config = match args.next() {
                    Some(ref s) if s == "v1" => Config::generate_v1(),
                    Some(ref s) if s == "v2" => Config::generate_v2(false),
                    Some(ref s) if s == "toplevel" => Config::generate_v2(true),
                    None => Config::generate_v2(false),
                    Some(s) => panic!("unknown argument: {}", s),
                };
                match File::create(config_file) {
                    Ok(f) => serde_yaml::to_writer(f, &config).unwrap(),
                    Err(_) => panic!("uh"),
                }
                std::process::exit(0);
            }
            Some(ref s) if s == "--desktop-refresh" => {
                let v = load_desktop_files();
                write_desktop_cache(&v).unwrap();
                std::process::exit(0);
            }
            Some(ref s) if s == "--help" => {
                print_usage();
                std::process::exit(0);
            }
            Some(_) => {
                print_usage();
                std::process::exit(1);
            }
            None => break,
        }
    }
    let conn = Connection::connect_to_env().unwrap();
    let event_queue = conn.new_event_queue();
    let qhandle: QueueHandle<State> = event_queue.handle();
    let display = conn.display();
    display.get_registry(&qhandle, ());
    display.sync(&qhandle, ());
    let (ping_sender, ping_source) = calloop::ping::make_ping().unwrap();
    let (keyrepeat_sender, keyrepeat_channel) = calloop::channel::channel::<RepeatMessage>();
    let mut event_loop: EventLoop<State> =
        EventLoop::try_new().expect("Failed to initialize the event loop!");
    let handle = event_loop.handle();
    handle
        .insert_source(
            WaylandSource::new(event_queue).expect("Could not create WaylandSource!"),
            |_event, queue, mut state| queue.dispatch_pending(&mut state),
        )
        .expect("Failed to insert event source!");
    handle
        .insert_source(ping_source, |(), &mut (), state| {
            let events = state.events.lock().unwrap().flush();
            for widget in state.widgets.iter_mut() {
                for event in events.iter() {
                    widget.event(event);
                }
            }
            state.dirty = true;
        })
        .expect("Failed to insert ping source!");
    let clock_source = Timer::from_duration(std::time::Duration::from_secs(1));
    handle
        .insert_source(clock_source, |_event, _metadata, state| {
            let now = Local::now().naive_local();
            let target = (now + Duration::seconds(60))
                .with_second(0)
                .unwrap()
                .with_nanosecond(0)
                .unwrap();
            let d = target - now;
            for widget in state.widgets.iter_mut() {
                widget.event(&Event::NewMinute);
            }
            state.dirty = true;
            // The timer event source requires us to return a TimeoutAction to
            // specify if the timer should be rescheduled. In our case we just drop it.
            TimeoutAction::ToDuration(d.to_std().unwrap())
        })
        .expect("Failed to insert event source!");
    let keyrepeat_source = KeyRepeatSource::new(keyrepeat_channel);
    handle
        .insert_source(keyrepeat_source, |event, _metadata, state| {
            let ev = Event::KeyEvent(event);
            for widget in state.widgets.iter_mut() {
                widget.event(&ev);
            }
            state.dirty = true;
        })
        .expect("Failed to insert keyrepeat source!");
    let socket_path = match env::var("XDG_RUNTIME_DIR") {
        Ok(dir) => dir + "/wldash",
        Err(_) => "/tmp/wldash".to_string(),
    };
-    let config_home = match env::var("XDG_CONFIG_HOME") {
+
-        Ok(dir) => dir + "/wldash",
+    let events = Events::new(ping_sender);
-        Err(_) => match env::var("HOME") {
+
-            Ok(home) => home + "/.config/wldash",
+    let mut fm = FontMap::new();
-            _ => panic!("unable to find user folder"),
+
-        },
+    let config: Config = match File::open(config_file) {
        Ok(f) => serde_yaml::from_reader(f).unwrap(),
        Err(_) => panic!("configuration file missing"),
    };
-    // From all existing files take the first readable one and write it's extension to `ext`
+    if let Some(true) = config.server {
    let mut ext = [0x0; 8];
    let file = configfmt::CONFIG_NAMES
        .iter()
        .map(|name| std::path::Path::new(&config_home).join(name))
        .filter_map(|path| {
            match File::open(&path) {
                Ok(file) => {
                    let e = path.extension().and_then(|e| e.to_str())?;
                    let len = e.len();
                    let from = len.saturating_sub(8); // the longest possible extension
                    ext[0..len - from].copy_from_slice(&e.as_bytes()[from..]);
                    Some(file)
                }
                Err(_) => None,
            }
        })
        .next();
    let fmt = std::str::from_utf8(&ext)
        .ok()
        .and_then(ConfigFmt::new)
        .unwrap_or_default();
    let config: Config = file
        .map(|f| fmt.from_reader(BufReader::new(f)))
        .unwrap_or_default();
    let scale = config.scale;
    let fonts: FontMap = {
        let load_font = |font_name| {
            let path = FontSeeker::from_string(font_name);
            FontLoader::from_path(&path).expect(&format!("Loading {} failed", path.display()))
        };
        config
            .fonts
            .iter()
            .map(|(key, val)| (key.clone(), load_font(val)))
            .collect::<HashMap<_, _>>()
    };
    let mut args = env::args();
    let _ = args.next();
    let mode = match args.next() {
        Some(arg) => match arg.as_str() {
            "start" => Mode::Daemonize,
            "start-or-kill" => Mode::StartOrKill,
            "toggle-visible" => Mode::ToggleVisible,
            "print-config" => Mode::PrintConfig(fmt),
            s => {
                let p = "print-config-";
                let l = p.len();
                let fmt = if s.starts_with(p) {
                    ConfigFmt::new(&s[l..])
                } else {
                    None
                };
                if let Some(fmt) = fmt {
                    Mode::PrintConfig(fmt)
                } else {
                    eprintln!("unsupported sub-command {}", s);
                    std::process::exit(1);
                }
            }
        },
        None => Mode::Start,
    };
    if args.next().is_some() {
        // total = args.count + 2 (the two we skipped + the rest)
        eprintln!("expected 0 or 1 arguments, got {}", args.count() + 2);
        std::process::exit(1);
    }
    let mut daemon = false;
    match mode {
        Mode::ToggleVisible => {
            if let Ok(mut socket) = UnixStream::connect(socket_path) {
                socket.write_all(b"toggle_visible\n").unwrap();
                return;
            };
            eprintln!("wldash is not running");
            std::process::exit(1);
        }
        Mode::StartOrKill => {
        if let Ok(mut socket) = UnixStream::connect(socket_path.clone()) {
            socket.write_all(b"kill\n").unwrap();
            return;
        };
        }
        Mode::Start => {
            if UnixStream::connect(socket_path.clone()).is_ok() {
                eprintln!("wldash is already running");
                std::process::exit(1);
            };
        }
        Mode::Daemonize => {
            if UnixStream::connect(socket_path.clone()).is_ok() {
                eprintln!("wldash is already running");
                std::process::exit(1);
            };
            daemon = true;
        }
        Mode::PrintConfig(fmt) => {
            println!("{}", fmt.to_string(&config));
            std::process::exit(0);
        }
    }
        let _ = std::fs::remove_file(socket_path.clone());
-    let listener = UnixListener::bind(socket_path.clone()).unwrap();
+        let _ = thread::Builder::new()
-
+            .name("ipc_server".to_string())
    let output_mode = match config.output_mode {
        config::OutputMode::All => OutputMode::All,
        config::OutputMode::Active => OutputMode::Active,
    };
    let background = config.background;
    let (tx_draw, rx_draw) = channel();
    let tx_draw_mod = tx_draw.clone();
    // Print, write to a file, or send to an HTTP server.
    let widget = config
        .widget
        .construct(Local::now().naive_local(), tx_draw_mod, &fonts)
        .expect("no widget configured");
    let mut app = App::new(tx_draw, output_mode, background, scale);
    if daemon {
        app.hide();
    } else {
        app.show();
    }
    app.set_widget(widget).unwrap();
    let (mut rx_pipe, mut tx_pipe) = pipe().unwrap();
    let ipc_pipe = tx_pipe.try_clone().unwrap();
    let worker_queue = app.cmd_queue();
    let _ = std::thread::Builder::new()
        .name("cmd_proxy".to_string())
        .spawn(move || loop {
            let cmd = rx_draw.recv().unwrap();
            worker_queue.lock().unwrap().push_back(cmd);
            tx_pipe.write_all(&[0x1]).unwrap();
        });
    let mut timer = TimerFd::new().unwrap();
    let ev_fd = PollFd::new(
        app.event_queue().display().get_connection_fd(),
        PollFlags::POLLIN,
    );
    let rx_fd = PollFd::new(rx_pipe.as_raw_fd(), PollFlags::POLLIN);
    let tm_fd = PollFd::new(timer.as_raw_fd(), PollFlags::POLLIN);
    let ipc_fd = PollFd::new(listener.as_raw_fd(), PollFlags::POLLIN);
    app.cmd_queue().lock().unwrap().push_back(Cmd::Draw);
    let mut visible = !daemon;
    let mut wait_ctx = WaitContext {
        fds: Vec::new(),
        target_time: None,
    };
    let q = app.cmd_queue();
    loop {
        let cmd = q.lock().unwrap().pop_front();
        match cmd {
            Some(cmd) => match cmd {
                Cmd::Draw => {
                    app.redraw(false).expect("Failed to draw");
                    app.flush_display();
                }
                Cmd::KeyboardTest => {
                    if let Some(cmd) = app.key_repeat() {
                        q.lock().unwrap().push_back(cmd);
                    }
                }
                Cmd::ForceDraw => {
                    app.redraw(true).expect("Failed to draw");
                    app.flush_display();
                }
                Cmd::MouseClick { btn, pos } => {
                    app.get_widget().mouse_click(btn, pos);
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
                Cmd::MouseScroll { scroll, pos } => {
                    app.get_widget().mouse_scroll(scroll, pos);
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
                Cmd::Keyboard {
                    key,
                    key_state,
                    modifiers_state,
                    interpreted,
                } => {
                    app.get_widget()
                        .keyboard_input(key, modifiers_state, key_state, interpreted);
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
                Cmd::ToggleVisible => {
                    visible = !visible;
                    if visible {
                        app.get_widget().enter();
                        app.show();
                    } else {
                        app.hide();
                        app.get_widget().leave();
                    }
                    app.flush_display();
                }
                Cmd::Exit => {
                    if daemon {
                        visible = false;
                        app.hide();
                        app.get_widget().leave();
                        app.flush_display();
                    } else {
                        let _ = std::fs::remove_file(socket_path);
                        return;
                    }
                }
            },
            None => {
                app.flush_display();
                wait_ctx.fds.clear();
                wait_ctx.fds.push(ev_fd);
                wait_ctx.fds.push(rx_fd);
                wait_ctx.fds.push(ipc_fd);
                wait_ctx.target_time = None;
                app.get_widget().wait(&mut wait_ctx);
                app.set_keyboard_repeat(&mut wait_ctx);
                if let Some(target_time) = wait_ctx.target_time {
                    let n = Local::now().naive_local();
                    let sleep = if target_time > n {
                        target_time - n
                    } else {
                        Duration::seconds(0)
                    };
                    timer.set_state(
                        TimerState::Oneshot(sleep.to_std().unwrap()),
                        SetTimeFlags::Default,
                    );
                    wait_ctx.fds.push(tm_fd);
                }
                poll(&mut wait_ctx.fds, -1).unwrap();
                if wait_ctx.fds[0]
                    .revents()
                    .unwrap()
                    .contains(PollFlags::POLLIN)
                {
                    if let Some(guard) = app.event_queue().prepare_read() {
                        if let Err(e) = guard.read_events() {
                            if e.kind() != ::std::io::ErrorKind::WouldBlock {
                                eprintln!(
                                    "Error while trying to read from the wayland socket: {:?}",
                                    e
                                );
                            }
                        }
                    }
                    app.event_queue()
                        .dispatch_pending(&mut (), |_, _, _| {})
                        .expect("Failed to dispatch all messages.");
                }
                if wait_ctx.fds[1]
                    .revents()
                    .unwrap()
                    .contains(PollFlags::POLLIN)
                {
                    let mut v = [0x00];
                    rx_pipe.read_exact(&mut v).unwrap();
                }
                if wait_ctx.fds[2]
                    .revents()
                    .unwrap()
                    .contains(PollFlags::POLLIN)
                {
                    if let Ok((stream, _)) = listener.accept() {
                        let client_queue = q.clone();
                        let mut client_pipe = ipc_pipe.try_clone().unwrap();
                        let _ = std::thread::Builder::new()
                            .name("ipc_client".to_string())
            .spawn(move || {
                let listener = UnixListener::bind(socket_path.clone()).unwrap();
                loop {
                    match listener.accept() {
                        Ok((stream, _)) => {
                            let _ = thread::Builder::new().name("ipc_client".to_string()).spawn(
                                move || {
                                    let r = BufReader::new(stream);
                                    for line in r.lines() {
                                        match line {
-                                        Ok(v) => match v.as_str() {
+                                            Ok(ref cmd) if cmd == "kill" => {
-                                            "kill" => {
+                                                std::process::exit(0);
-                                                client_queue.lock().unwrap().push_back(Cmd::Exit)
+                                            }
                                            _ => {}
                                        }
                                    }
                                            "toggle_visible" => client_queue
                                                .lock()
                                                .unwrap()
                                                .push_back(Cmd::ToggleVisible),
                                            v => eprintln!("unknown command: {}", v),
                                },
-                                        Err(_) => return,
+                            );
                        }
                        _ => (),
                    }
                                    client_pipe.write_all(&[0x1]).unwrap();
                }
            });
    }
    if let Some(font_paths) = config.font_paths {
        for (key, value) in font_paths.into_iter() {
            fm.add_font_path(Box::leak(key.into_boxed_str()), value);
        }
    }
-                if wait_ctx.target_time.is_some()
+    let layout = Rc::new(config.widget.construct_layout(&mut 0));
-                    && wait_ctx.fds[wait_ctx.fds.len() - 1]
+    let mut widgets: Vec<Box<dyn Widget>> = Vec::new();
-                        .revents()
+    config
-                        .unwrap()
+        .widget
-                        .contains(PollFlags::POLLIN)
+        .construct_widgets(&mut widgets, &mut fm, &events);
-                {
+
-                    timer.read();
+    let font_thread = thread::Builder::new()
-                    let mut qq = q.lock().unwrap();
+        .name("fontloader".to_string())
-                    qq.push_back(Cmd::KeyboardTest);
+        .spawn(move || {
-                    qq.push_back(Cmd::Draw);
+            fm.load_fonts();
            fm
        })
        .unwrap();
    let mut state = State::new(
        config.mode,
        config.background,
        widgets,
        layout,
        MaybeFontMap::Waiting(font_thread),
        events,
        keyrepeat_sender,
    );
    // Initial setup
    //
    while state.running && !state.ready {
        event_loop
            .dispatch(None, &mut state)
            .expect("Could not dispatch event loop");
    }
    state.check_registry(&qhandle);
    while state.running {
        event_loop
            .dispatch(None, &mut state)
            .expect("Could not dispatch event loop");
        if !state.configured || !state.dirty || !state.ready {
            continue;
        }
        let mut force = false;
        if state.bufmgr.buffers.len() == 0 {
            state.add_buffer(&qhandle);
            force = true;
        }
        let mut bufcnt = state.bufmgr.buffers.len();
        let buf = match state.bufmgr.next_buffer() {
            Some(b) => b,
            None => {
                if state.bufmgr.buffers.len() >= 3 {
                    continue;
                }
                state.add_buffer(&qhandle);
                bufcnt = state.bufmgr.buffers.len();
                match state.bufmgr.next_buffer() {
                    Some(b) => b,
                    None => {
                        continue;
                    }
                }
            }
        };
        if buf.last_damage.len() == 0 {
            for _ in 0..state.widgets.len() {
                buf.last_damage.push(Geometry::new());
            }
        }
        state.dirty = false;
        buf.acquire();
        let mut bufview = BufferView::new(
            &mut buf.mmap,
            (state.dimensions.0 as u32, state.dimensions.1 as u32),
        );
        let surface = state.main_surface.wl_surface.as_ref().unwrap().clone();
        if force {
            for (idx, widget) in state.widgets.iter_mut().enumerate() {
                if force || widget.get_dirty() {
                    let geo = widget.geometry();
                    let mut subview = bufview.subgeometry(geo);
                    buf.last_damage[idx] =
                        widget.draw(&mut state.fonts.unwrap().borrow_mut(), &mut subview);
                }
            }
            surface.damage_buffer(0, 0, 0x7FFFFFFF, 0x7FFFFFFF);
        } else {
            let mut drew = false;
            for (idx, widget) in state.widgets.iter_mut().enumerate() {
                if bufcnt > 1 || widget.get_dirty() {
                    drew = true;
                    let old_damage = buf.last_damage[idx];
                    bufview.subgeometry(old_damage).clear();
                    let geo = widget.geometry();
                    let mut subview = bufview.subgeometry(geo);
                    let new_damage =
                        widget.draw(&mut state.fonts.unwrap().borrow_mut(), &mut subview);
                    let combined_damage = new_damage.expand(old_damage);
                    buf.last_damage[idx] = new_damage;
                    surface.damage_buffer(
                        combined_damage.x as i32,
                        combined_damage.y as i32,
                        combined_damage.width as i32,
                        combined_damage.height as i32,
                    );
                }
            }
            if !drew {
                buf.release();
                conn.flush().unwrap();
                continue;
            }
        }
        state.ready = false;
        surface.attach(Some(&buf.buffer), 0, 0);
        surface.frame(&qhandle, ());
        surface.commit();
        conn.flush().unwrap();
        // Now is a good as time as any to load the keymap
        state.keyboard.resolve();
    }
 }
@@ -0,0 +1,865 @@
 use std::{
    cmp::max,
    default::Default,
    env,
    rc::Rc,
    sync::{Arc, Mutex},
 };
 use wayland_client::{
    protocol::{
        wl_buffer, wl_callback, wl_compositor, wl_keyboard, wl_pointer, wl_registry, wl_seat,
        wl_shm, wl_shm_pool, wl_subcompositor, wl_subsurface, wl_surface,
    },
    Connection, Dispatch, QueueHandle, WEnum,
 };
 use wayland_protocols::{
    wp::{
        single_pixel_buffer::v1::client::wp_single_pixel_buffer_manager_v1,
        viewporter::client::{wp_viewport, wp_viewporter},
    },
    xdg::{
        activation::v1::client::{xdg_activation_token_v1, xdg_activation_v1},
        shell::client::{xdg_surface, xdg_toplevel, xdg_wm_base},
    },
 };
 use wayland_protocols_wlr::layer_shell::v1::client::{zwlr_layer_shell_v1, zwlr_layer_surface_v1};
 use crate::{
    buffer::BufferManager,
    config::OperationMode,
    event::{Event, Events, PointerButton, PointerEvent},
    fonts::{FontMap, MaybeFontMap},
    keyboard::{Keyboard, RepeatMessage},
    widgets::{Geometry, Layout, Widget, WidgetUpdater},
 };
 use calloop::channel::Sender;
 #[derive(Default)]
 pub struct MainSurface {
    pub wl_surface: Option<wl_surface::WlSurface>,
    xdg_surface: Option<(xdg_surface::XdgSurface, xdg_toplevel::XdgToplevel)>,
    layer_surface: Option<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1>,
 }
 #[derive(Default)]
 pub struct BackgroundSurface {
    wl_surface: Option<wl_surface::WlSurface>,
    subsurface: Option<wl_subsurface::WlSubsurface>,
    viewport: Option<wp_viewport::WpViewport>,
 }
 #[derive(Default)]
 pub struct Protocols {
    wl_compositor: Option<wl_compositor::WlCompositor>,
    wl_subcompositor: Option<wl_subcompositor::WlSubcompositor>,
    wl_shm: Option<wl_shm::WlShm>,
    xdg_wm_base: Option<xdg_wm_base::XdgWmBase>,
    xdg_activation: Option<xdg_activation_v1::XdgActivationV1>,
    zwlr_layer_shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>,
    viewporter: Option<wp_viewporter::WpViewporter>,
    wp_single_pixel_buffer_manager:
        Option<wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1>,
 }
 pub struct State {
    mode: OperationMode,
    background: Option<u32>,
    pub main_surface: MainSurface,
    pub bg_surface: BackgroundSurface,
    pub protocols: Protocols,
    pub running: bool,
    pub ready: bool,
    pub dirty: bool,
    activated: bool,
    pub configured: bool,
    pub dimensions: (i32, i32),
    pub bufmgr: BufferManager,
    pub widgets: Vec<Box<dyn Widget>>,
    pub keyboard: Keyboard,
    pub keyrepeat_sender: Sender<RepeatMessage>,
    pointer: Option<(f64, f64)>,
    pub fonts: MaybeFontMap,
    pub events: Arc<Mutex<Events>>,
    layout: Rc<Box<dyn Layout>>,
 }
 impl State {
    pub fn new(
        mode: OperationMode,
        background: Option<u32>,
        widgets: Vec<Box<dyn Widget>>,
        layout: Rc<Box<dyn Layout>>,
        fonts: MaybeFontMap,
        events: Arc<Mutex<Events>>,
        keyrepeat_sender: Sender<RepeatMessage>,
    ) -> State {
        State {
            protocols: Default::default(),
            bg_surface: Default::default(),
            main_surface: Default::default(),
            running: true,
            dirty: true,
            activated: false,
            configured: false,
            dimensions: (320, 240),
            bufmgr: BufferManager::new(),
            keyboard: Keyboard::new(),
            pointer: None,
            keyrepeat_sender,
            mode,
            background,
            widgets,
            fonts,
            events,
            layout,
            ready: false,
        }
    }
    pub fn add_buffer(&mut self, qh: &QueueHandle<Self>) {
        self.bufmgr.add_buffer(
            self.protocols.wl_shm.as_ref().expect("missing wl_shm"),
            self.dimensions,
            qh,
        );
    }
    pub fn activate(&mut self, qh: &QueueHandle<Self>) {
        let key = match env::var("XDG_ACTIVATION_TOKEN") {
            Ok(token) => token,
            Err(_) => return,
        };
        match (
            &self.main_surface.wl_surface,
            &self.protocols.xdg_activation,
        ) {
            (Some(surface), Some(activation)) => {
                activation.activate(key, surface);
                let activation_token = activation.get_activation_token(qh, ());
                activation_token.commit();
                unsafe { env::remove_var("XDG_ACTIVATION_TOKEN"); }
            }
            _ => (),
        }
    }
 }
 impl WidgetUpdater for State {
    fn geometry_update(
        &mut self,
        idx: usize,
        fonts: &mut FontMap,
        geometry: &Geometry,
    ) -> Geometry {
        self.widgets[idx].geometry_update(fonts, geometry)
    }
    fn minimum_size(&mut self, idx: usize, fonts: &mut FontMap) -> Geometry {
        self.widgets[idx].minimum_size(fonts)
    }
 }
 impl State {
    pub fn check_registry(&mut self, qh: &QueueHandle<Self>) {
        let wl_compositor = self
            .protocols
            .wl_compositor
            .as_ref()
            .expect("wl_compositor missing");
        let main_surface = wl_compositor.create_surface(qh, ());
        let bg_surface = wl_compositor.create_surface(qh, ());
        self.main_surface.wl_surface = Some(main_surface.clone());
        self.bg_surface.wl_surface = Some(bg_surface.clone());
        self.activate(qh);
        let wl_subcompositor = self
            .protocols
            .wl_subcompositor
            .as_ref()
            .expect("wl_subcompositor missing");
        let subsurface = wl_subcompositor.get_subsurface(&bg_surface, &main_surface, qh, ());
        subsurface.place_below(&main_surface);
        self.bg_surface.subsurface = Some(subsurface.clone());
        match self.mode {
            OperationMode::XdgToplevel => {
                self.fonts.resolve();
                let xdg_wm_base = self
                    .protocols
                    .xdg_wm_base
                    .as_ref()
                    .expect("xdg_wm_base missing");
                let xdg_surface = xdg_wm_base.get_xdg_surface(&main_surface, qh, ());
                let toplevel = xdg_surface.get_toplevel(qh, ());
                toplevel.set_title("wldash".into());
                main_surface.commit();
                self.main_surface.xdg_surface = Some((xdg_surface, toplevel));
            }
            OperationMode::LayerSurface(size) => {
                self.fonts.resolve();
                let layer_shell = self
                    .protocols
                    .zwlr_layer_shell
                    .as_ref()
                    .expect("zwlr_layer_shell_v1 missing");
                let layer_surface = layer_shell.get_layer_surface(
                    &main_surface,
                    None,
                    zwlr_layer_shell_v1::Layer::Overlay,
                    "launcher".to_string(),
                    qh,
                    (),
                );
                let fonts = self.fonts.unwrap();
                let layout = self.layout.clone();
                let min_size = layout.minimum_size(&mut fonts.borrow_mut(), self);
                layer_surface.set_keyboard_interactivity(
                    zwlr_layer_surface_v1::KeyboardInteractivity::Exclusive,
                );
                layer_surface.set_anchor(
                    zwlr_layer_surface_v1::Anchor::Left
                        .union(zwlr_layer_surface_v1::Anchor::Bottom)
                        .union(zwlr_layer_surface_v1::Anchor::Right)
                        .union(zwlr_layer_surface_v1::Anchor::Top),
                );
                layer_surface.set_size(max(size.0, min_size.width), max(size.1, min_size.height));
                main_surface.commit();
                self.main_surface.layer_surface = Some(layer_surface);
            }
        }
        let viewporter = self
            .protocols
            .viewporter
            .as_ref()
            .expect("wp_viewporter missing");
        let viewport = viewporter.get_viewport(&bg_surface, qh, ());
        self.bg_surface.viewport = Some(viewport);
        if let Some(background) = self.background {
            let wp_single_pixel_buffer_manager = self
                .protocols
                .wp_single_pixel_buffer_manager
                .as_ref()
                .expect("wp_single_pixel_buffer_manager_v1 missing");
            let buffer =
                wp_single_pixel_buffer_manager.create_u32_rgba_buffer(0, 0, 0, background, qh, ());
            bg_surface.attach(Some(&buffer), 0, 0);
            bg_surface.damage_buffer(0, 0, 1, 1);
        }
    }
 }
 impl Dispatch<wl_registry::WlRegistry, ()> for State {
    fn event(
        state: &mut Self,
        registry: &wl_registry::WlRegistry,
        event: wl_registry::Event,
        _: &(),
        _: &Connection,
        qh: &QueueHandle<Self>,
    ) {
        if let wl_registry::Event::Global {
            name, interface, ..
        } = event
        {
            match &interface[..] {
                "wl_compositor" => {
                    state.protocols.wl_compositor =
                        Some(registry.bind::<wl_compositor::WlCompositor, _, _>(name, 5, qh, ()));
                }
                "wl_subcompositor" => {
                    state.protocols.wl_subcompositor = Some(
                        registry.bind::<wl_subcompositor::WlSubcompositor, _, _>(name, 1, qh, ()),
                    );
                }
                "wl_shm" => {
                    state.protocols.wl_shm =
                        Some(registry.bind::<wl_shm::WlShm, _, _>(name, 1, qh, ()));
                }
                "wl_seat" => {
                    registry.bind::<wl_seat::WlSeat, _, _>(name, 8, qh, ());
                }
                "xdg_wm_base" => {
                    if let OperationMode::XdgToplevel = state.mode {
                        state.protocols.xdg_wm_base =
                            Some(registry.bind::<xdg_wm_base::XdgWmBase, _, _>(name, 2, qh, ()));
                    }
                }
                "xdg_activation_v1" => {
                    state.protocols.xdg_activation = Some(
                        registry.bind::<xdg_activation_v1::XdgActivationV1, _, _>(name, 1, qh, ()),
                    );
                }
                "zwlr_layer_shell_v1" => {
                    if let OperationMode::LayerSurface(_) = state.mode {
                        state.protocols.zwlr_layer_shell = Some(
                            registry.bind::<zwlr_layer_shell_v1::ZwlrLayerShellV1, _, _>(
                                name,
                                4,
                                qh,
                                (),
                            ),
                        );
                    }
                }
                "wp_viewporter" => {
                    state.protocols.viewporter =
                        Some(registry.bind::<wp_viewporter::WpViewporter, _, _>(name, 1, qh, ()));
                }
                "wp_single_pixel_buffer_manager_v1" => {
                    state.protocols.wp_single_pixel_buffer_manager = Some(registry.bind::<wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1, _, _>(name, 1, qh, ()));
                }
                _ => {}
            }
        }
    }
 }
 impl Dispatch<wl_callback::WlCallback, ()> for State {
    fn event(
        state: &mut Self,
        _: &wl_callback::WlCallback,
        event: wl_callback::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        match event {
            wl_callback::Event::Done { callback_data: _ } => state.ready = true,
            _ => {}
        }
    }
 }
 impl Dispatch<wl_compositor::WlCompositor, ()> for State {
    fn event(
        _: &mut Self,
        _: &wl_compositor::WlCompositor,
        _: wl_compositor::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wl_subcompositor::WlSubcompositor, ()> for State {
    fn event(
        _: &mut Self,
        _: &wl_subcompositor::WlSubcompositor,
        _: wl_subcompositor::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wl_surface::WlSurface, ()> for State {
    fn event(
        _: &mut Self,
        _: &wl_surface::WlSurface,
        _: wl_surface::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wl_subsurface::WlSubsurface, ()> for State {
    fn event(
        _: &mut Self,
        _: &wl_subsurface::WlSubsurface,
        _: wl_subsurface::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wl_shm::WlShm, ()> for State {
    fn event(
        _: &mut Self,
        _: &wl_shm::WlShm,
        _: wl_shm::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wl_shm_pool::WlShmPool, ()> for State {
    fn event(
        _: &mut Self,
        _: &wl_shm_pool::WlShmPool,
        _: wl_shm_pool::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wl_buffer::WlBuffer, ()> for State {
    fn event(
        state: &mut Self,
        buffer: &wl_buffer::WlBuffer,
        _: wl_buffer::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        for buf in state.bufmgr.buffers.iter_mut() {
            if &buf.buffer == buffer {
                buf.release();
            }
        }
    }
 }
 impl Dispatch<zwlr_layer_shell_v1::ZwlrLayerShellV1, ()> for State {
    fn event(
        _: &mut Self,
        _: &zwlr_layer_shell_v1::ZwlrLayerShellV1,
        _: zwlr_layer_shell_v1::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1, ()> for State {
    fn event(
        state: &mut Self,
        layer_surface: &zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
        event: zwlr_layer_surface_v1::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        match event {
            zwlr_layer_surface_v1::Event::Configure {
                serial,
                mut width,
                mut height,
            } => {
                if (width, height) == (0, 0) {
                    if state.configured {
                        return;
                    }
                    (width, height) = (640, 480);
                }
                layer_surface.ack_configure(serial);
                state.configured = true;
                state.dirty = true;
                let dim = (width as i32, height as i32);
                if state.configured && state.dimensions == dim {
                    return;
                }
                state.bufmgr.clear_buffers();
                state.dimensions = dim;
                let fonts = state.fonts.unwrap();
                let layout = state.layout.clone();
                layout.geometry_update(
                    &mut fonts.borrow_mut(),
                    &Geometry {
                        x: 0,
                        y: 0,
                        width: width as u32,
                        height: height as u32,
                    },
                    state,
                );
                let surface = state
                    .bg_surface
                    .wl_surface
                    .as_ref()
                    .expect("bg surface was not ready");
                let viewport = state
                    .bg_surface
                    .viewport
                    .as_ref()
                    .expect("bg viewport was not ready");
                viewport.set_destination(dim.0, dim.1);
                surface.commit();
            }
            zwlr_layer_surface_v1::Event::Closed => {
                std::process::exit(0);
            }
            _ => (),
        }
    }
 }
 impl Dispatch<xdg_wm_base::XdgWmBase, ()> for State {
    fn event(
        _: &mut Self,
        wm_base: &xdg_wm_base::XdgWmBase,
        event: xdg_wm_base::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        if let xdg_wm_base::Event::Ping { serial } = event {
            wm_base.pong(serial);
        }
    }
 }
 impl Dispatch<xdg_surface::XdgSurface, ()> for State {
    fn event(
        state: &mut Self,
        xdg_surface: &xdg_surface::XdgSurface,
        event: xdg_surface::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        if let xdg_surface::Event::Configure { serial, .. } = event {
            xdg_surface.ack_configure(serial);
            state.configured = true;
            state.dirty = true;
        }
    }
 }
 impl Dispatch<xdg_toplevel::XdgToplevel, ()> for State {
    fn event(
        state: &mut Self,
        _: &xdg_toplevel::XdgToplevel,
        event: xdg_toplevel::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        match event {
            xdg_toplevel::Event::Configure {
                mut width,
                mut height,
                states,
                ..
            } => {
                if (width, height) == (0, 0) {
                    if state.configured {
                        return;
                    }
                    (width, height) = (1280, 720);
                }
                let activated = states
                    .iter()
                    .find(|&st| *st as u32 == xdg_toplevel::State::Activated as u32)
                    .is_some();
                if activated {
                    state.activated = true;
                } else if state.activated && !activated {
                    let ev = Event::FocusLost;
                    for widget in state.widgets.iter_mut() {
                        widget.event(&ev);
                    }
                }
                if !state.configured || state.dimensions != (width, height) {
                    let surface = state
                        .bg_surface
                        .wl_surface
                        .as_ref()
                        .expect("bg surface was not ready");
                    let viewport = state
                        .bg_surface
                        .viewport
                        .as_ref()
                        .expect("bg viewportw as not ready");
                    viewport.set_destination(width, height);
                    surface.commit();
                    state.bufmgr.clear_buffers();
                    state.dimensions = (width, height);
                    state.fonts.resolve();
                    let fonts = state.fonts.unwrap();
                    let layout = state.layout.clone();
                    layout.geometry_update(
                        &mut fonts.borrow_mut(),
                        &Geometry {
                            x: 0,
                            y: 0,
                            width: width as u32,
                            height: height as u32,
                        },
                        state,
                    );
                }
            }
            xdg_toplevel::Event::Close => {
                state.running = false;
            }
            _ => (),
        }
    }
 }
 impl Dispatch<wl_seat::WlSeat, ()> for State {
    fn event(
        _: &mut Self,
        seat: &wl_seat::WlSeat,
        event: wl_seat::Event,
        _: &(),
        _: &Connection,
        qh: &QueueHandle<Self>,
    ) {
        if let wl_seat::Event::Capabilities {
            capabilities: WEnum::Value(capabilities),
        } = event
        {
            if capabilities.contains(wl_seat::Capability::Keyboard) {
                seat.get_keyboard(qh, ());
            }
            if capabilities.contains(wl_seat::Capability::Pointer) {
                seat.get_pointer(qh, ());
            }
        }
    }
 }
 impl Dispatch<wl_keyboard::WlKeyboard, ()> for State {
    fn event(
        state: &mut Self,
        _: &wl_keyboard::WlKeyboard,
        event: wl_keyboard::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        match event {
            wl_keyboard::Event::Leave { .. } => {
                state
                    .keyrepeat_sender
                    .send(RepeatMessage::StopRepeat)
                    .unwrap();
            }
            wl_keyboard::Event::Key {
                key,
                state: kbstate,
                ..
            } => {
                if key == 1 {
                    state.running = false;
                    return;
                }
                state.keyboard.resolve();
                let k = state.keyboard.key(key, kbstate);
                let repeats = k.repeats;
                let ev = Event::KeyEvent(k);
                for widget in state.widgets.iter_mut() {
                    widget.event(&ev);
                }
                if repeats {
                    if let Event::KeyEvent(k) = ev {
                        state
                            .keyrepeat_sender
                            .send(RepeatMessage::KeyEvent(k))
                            .unwrap();
                    }
                }
                state.dirty = true;
            }
            wl_keyboard::Event::Modifiers {
                mods_depressed,
                mods_latched,
                mods_locked,
                group,
                ..
            } => {
                state
                    .keyboard
                    .modifiers(mods_depressed, mods_latched, mods_locked, group);
            }
            wl_keyboard::Event::Keymap { format, fd, size } => {
                // TODO: Keymap loading blocks xdg configure, consider delaying
                state.keyboard.keymap(format, fd, size);
            }
            wl_keyboard::Event::RepeatInfo { rate, delay } => {
                state
                    .keyrepeat_sender
                    .send(RepeatMessage::RepeatInfo((rate as u32, delay as u32)))
                    .unwrap();
            }
            _ => (),
        }
    }
 }
 // TODO: Move to dedicated pointer module
 const BTN_LEFT: u32 = 0x110;
 const BTN_RIGHT: u32 = 0x111;
 const BTN_MIDDLE: u32 = 0x112;
 impl Dispatch<wl_pointer::WlPointer, ()> for State {
    fn event(
        state: &mut Self,
        _: &wl_pointer::WlPointer,
        event: wl_pointer::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        match event {
            wl_pointer::Event::Enter {
                surface_x,
                surface_y,
                ..
            } => {
                state.pointer = Some((surface_x, surface_y));
            }
            wl_pointer::Event::Motion {
                surface_x,
                surface_y,
                ..
            } => {
                state.pointer = Some((surface_x, surface_y));
            }
            wl_pointer::Event::Leave { .. } => state.pointer = None,
            wl_pointer::Event::Axis { axis, value, .. } => match state.pointer {
                Some((x, y)) => {
                    let axis = match axis {
                        WEnum::Value(wl_pointer::Axis::VerticalScroll) => {
                            PointerButton::ScrollVertical(value)
                        }
                        WEnum::Value(wl_pointer::Axis::HorizontalScroll) => {
                            PointerButton::ScrollHorizontal(value)
                        }
                        _ => return,
                    };
                    let pos = (x as u32, y as u32);
                    for widget in state.widgets.iter_mut() {
                        let geo = widget.geometry();
                        if geo.contains(pos) {
                            let pos = (pos.0 - geo.x, pos.1 - geo.y);
                            let ev = Event::PointerEvent(PointerEvent {
                                button: axis,
                                pos: pos,
                            });
                            widget.event(&ev);
                            state.dirty = true;
                            break;
                        }
                    }
                }
                _ => (),
            },
            wl_pointer::Event::Button {
                button,
                state: button_state,
                ..
            } => match (button, button_state, state.pointer) {
                (button, WEnum::Value(wl_pointer::ButtonState::Pressed), Some((x, y))) => {
                    let button = match button {
                        BTN_LEFT => PointerButton::Left,
                        BTN_RIGHT => PointerButton::Right,
                        BTN_MIDDLE => PointerButton::Middle,
                        _ => return,
                    };
                    let pos = (x as u32, y as u32);
                    for widget in state.widgets.iter_mut() {
                        let geo = widget.geometry();
                        if geo.contains(pos) {
                            let pos = (pos.0 - geo.x, pos.1 - geo.y);
                            let ev = Event::PointerEvent(PointerEvent {
                                button: button,
                                pos: pos,
                            });
                            widget.event(&ev);
                            state.dirty = true;
                            break;
                        }
                    }
                }
                _ => (),
            },
            _ => (),
        }
    }
 }
 impl Dispatch<wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1, ()> for State {
    fn event(
        _: &mut Self,
        _: &wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1,
        _: wp_single_pixel_buffer_manager_v1::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wp_viewporter::WpViewporter, ()> for State {
    fn event(
        _: &mut Self,
        _: &wp_viewporter::WpViewporter,
        _: wp_viewporter::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<wp_viewport::WpViewport, ()> for State {
    fn event(
        _: &mut Self,
        _: &wp_viewport::WpViewport,
        _: wp_viewport::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<xdg_activation_v1::XdgActivationV1, ()> for State {
    fn event(
        _: &mut Self,
        _: &xdg_activation_v1::XdgActivationV1,
        _: xdg_activation_v1::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
    }
 }
 impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for State {
    fn event(
        state: &mut Self,
        _: &xdg_activation_token_v1::XdgActivationTokenV1,
        event: xdg_activation_token_v1::Event,
        _: &(),
        _: &Connection,
        _: &QueueHandle<Self>,
    ) {
        match event {
            xdg_activation_token_v1::Event::Done { token } => {
                let ev = Event::TokenUpdate(token);
                for widget in state.widgets.iter_mut() {
                    widget.event(&ev);
                }
            }
            _ => (),
        }
    }
 }
@@ -0,0 +1,117 @@
 use std::{
    cmp::Ordering,
    collections::HashSet,
    error::Error,
    fs::{read_to_string, File},
    io::{Error as io_error, ErrorKind},
 };
 use serde::{self, Deserialize, Serialize};
 use simd_json;
 use walkdir::WalkDir;
 use crate::utils::{inish, xdg};
 #[derive(Serialize, Deserialize, Clone, Debug, Eq, Hash)]
 #[serde(rename_all = "snake_case")]
 pub struct Desktop {
    pub entry_type: String,
    pub name: String,
    pub no_display: bool,
    pub hidden: bool,
    pub exec: Option<String>,
    pub url: Option<String>,
    pub term: bool,
    pub keywords: Vec<String>,
 }
 impl Desktop {
    fn parse(f: &str) -> Result<Desktop, Box<dyn Error>> {
        let s = read_to_string(f)?;
        let config = inish::parse(&s)?;
        match config.get("Desktop Entry") {
            Some(section) => Ok(Desktop {
                entry_type: section.get("Type").unwrap_or(&"").to_string(),
                name: section.get("Name").unwrap_or(&"").to_string(),
                term: section.get("Terminal").unwrap_or(&"") == &"true",
                no_display: section.get("NoDisplay").unwrap_or(&"") == &"true",
                hidden: section.get("Hidden").unwrap_or(&"") == &"true",
                exec: section.get("Exec").map(|x| x.to_string()),
                url: section.get("URL").map(|x| x.to_string()),
                keywords: section
                    .get("Keywords")
                    .map(|x| {
                        x.split(';')
                            .map(|y| y.trim().to_string())
                            .filter(|z| z != "")
                            .collect()
                    })
                    .unwrap_or_else(|| vec![]),
            }),
            None => Err(Box::new(io_error::new(
                ErrorKind::NotFound,
                "no desktop entry in file",
            ))),
        }
    }
 }
 impl Ord for Desktop {
    fn cmp(&self, other: &Self) -> Ordering {
        self.name.cmp(&other.name)
    }
 }
 impl PartialOrd for Desktop {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
 }
 impl PartialEq for Desktop {
    fn eq(&self, other: &Self) -> bool {
        self.name == other.name
    }
 }
 pub fn load_desktop_cache() -> Result<Vec<Desktop>, Box<dyn Error>> {
    match File::open(format!("{}/wldash/desktop.json", xdg::cache_folder())) {
        Ok(f) => simd_json::from_reader(f).map_err(|e| e.into()),
        Err(e) => Err(e.into()),
    }
 }
 pub fn write_desktop_cache(v: &Vec<Desktop>) -> Result<(), Box<dyn Error>> {
    match File::create(format!("{}/wldash/desktop.json", xdg::cache_folder())) {
        Ok(f) => simd_json::to_writer(f, v).map_err(|e| e.into()),
        Err(e) => Err(e.into()),
    }
 }
 pub fn load_desktop_files() -> Vec<Desktop> {
    let dirs = xdg::data_folders();
    let mut desktop: Vec<Desktop> = Vec::new();
    let mut seen: HashSet<String> = HashSet::new();
    for dir in dirs {
        for entry in WalkDir::new(format!("{}/applications", dir)) {
            if let Ok(entry) = entry {
                if let Ok(d) = Desktop::parse(entry.path().to_str().unwrap()) {
                    if d.hidden
                        || d.no_display
                        || (d.entry_type != "Application" && d.entry_type != "Link")
                    {
                        continue;
                    }
                    if !seen.contains(&d.name) {
                        seen.insert(d.name.to_string());
                        desktop.push(d);
                    }
                }
            }
        }
    }
    desktop
 }
@@ -0,0 +1,134 @@
 use std::{collections::HashMap, error::Error};
 fn parse_field<'a>(line: &'a str) -> Result<(&'a str, &'a str), Box<dyn Error>> {
    let split = match line.find('=') {
        Some(v) => v,
        None => return Err("expected equals sign on line, but found none".into()),
    };
    let (key, value) = line.split_at(split);
    let (key, value) = (key.trim(), value.trim_matches('=').trim());
    Ok((key, value))
 }
 type InishSection<'a> = HashMap<&'a str, &'a str>;
 type Inish<'a> = HashMap<&'a str, InishSection<'a>>;
 pub fn parse<'a>(s: &'a str) -> Result<Inish<'a>, Box<dyn Error>> {
    let mut sections: Inish<'a> = HashMap::new();
    let mut current_section = HashMap::new();
    let mut current_section_name = "";
    for line in s.lines() {
        let line = line.trim();
        let mut chars = line.chars();
        let start = chars.next();
        let end = chars.last();
        match (start, end) {
            (Some('#'), _) => continue,
            (Some('['), Some(']')) => {
                sections.insert(current_section_name, current_section);
                current_section = HashMap::new();
                let len = line.bytes().count();
                current_section_name = &line[1..len - 1].trim();
            }
            (Some('['), v) => {
                return Err(format!(
                    "expected Some(']') to terminate section name, but got {:?}",
                    v
                )
                .into());
            }
            _ if line.is_empty() => continue,
            _ => {
                let (key, value) = parse_field(line)?;
                current_section.insert(key, value);
            }
        }
    }
    sections.insert(current_section_name, current_section);
    Ok(sections)
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn sections() {
        let config = parse(
            "
 [section_a]
 [section_b]
 ",
        )
        .expect("config didn't parse");
        if !config.contains_key("section_a") {
            panic!("named section did not exist");
        }
        if !config.contains_key("section_b") {
            panic!("named section did not exist");
        }
        if !config.contains_key("") {
            panic!("unnamed section did not exist");
        }
    }
    #[test]
    fn fields() {
        let config = parse(
            "
 field_outside = 'hello'
 [section_a]
 field_a = 1234
 ",
        )
        .expect("config didn't parse");
        let section_a = match config.get("section_a") {
            Some(v) => v,
            None => panic!("named section did not exist"),
        };
        assert_eq!(section_a.get("field_a"), Some(&"1234"));
        let section_unnamed = match config.get("") {
            Some(v) => v,
            None => panic!("unnamed section did not exist"),
        };
        assert_eq!(section_unnamed.get("field_outside"), Some(&"'hello'"));
    }
    #[test]
    fn whitespaces() {
        let config = parse(
            "
 field outside  =   'hello'
 [ section a   ]
   field a   =   1234   ",
        )
        .expect("config didn't parse");
        let section_a = match config.get("section a") {
            Some(v) => v,
            None => panic!("named section did not exist"),
        };
        assert_eq!(section_a.get("field a"), Some(&"1234"));
        let section_unnamed = match config.get("") {
            Some(v) => v,
            None => panic!("unnamed section did not exist"),
        };
        assert_eq!(section_unnamed.get("field outside"), Some(&"'hello'"));
    }
 }
@@ -0,0 +1,3 @@
 pub mod desktop;
 mod inish;
 pub mod xdg;
@@ -0,0 +1,40 @@
 use std::env;
 pub fn cache_folder() -> String {
    match env::var_os("XDG_CACHE_HOME") {
        Some(s) => s.into_string().unwrap(),
        None => {
            let home = env::var_os("HOME").unwrap().into_string().unwrap();
            format!("{}/.cache", home)
        }
    }
 }
 pub fn config_folder() -> String {
    match env::var_os("XDG_CONFIG_HOME") {
        Some(s) => s.into_string().unwrap(),
        None => {
            let home = env::var_os("HOME").unwrap().into_string().unwrap();
            format!("{}/.config", home)
        }
    }
 }
 pub fn data_folders() -> Vec<String> {
    let xdg_data_home = match env::var_os("XDG_DATA_HOME") {
        Some(s) => s.into_string().unwrap(),
        None => {
            let home = env::var_os("HOME").unwrap().into_string().unwrap();
            format!("{}/.local/share", home)
        }
    };
    let xdg_data_dirs = match env::var_os("XDG_DATA_DIRS") {
        Some(s) => s.into_string().unwrap(),
        None => "/usr/local/share:/usr/share".to_string(),
    };
    // Eww.
    std::iter::once(xdg_data_home.to_string())
        .chain(xdg_data_dirs.split(':').map(|x| x.to_string()))
        .collect()
 }
@@ -1,458 +0,0 @@
 use crate::buffer::Buffer;
 use crate::color::Color;
 pub use crate::keyboard::{KeyState, ModifiersState};
 use chrono::NaiveDateTime;
 use nix::poll::PollFd;
 pub struct DrawContext<'a> {
    pub buf: &'a mut Buffer<'a>,
    pub bg: &'a Color,
    pub time: NaiveDateTime,
    pub force: bool,
 }
 #[derive(Debug)]
 pub struct DrawReport {
    pub width: u32,
    pub height: u32,
    pub damage: Vec<(i32, i32, i32, i32)>,
    pub full_damage: bool,
 }
 impl DrawReport {
    pub fn empty(width: u32, height: u32) -> DrawReport {
        DrawReport {
            width,
            height,
            damage: Vec::new(),
            full_damage: false,
        }
    }
 }
 pub struct WaitContext {
    pub fds: Vec<PollFd>,
    pub target_time: Option<NaiveDateTime>,
 }
 impl WaitContext {
    pub fn set_time(&mut self, new_time: NaiveDateTime) {
        if let Some(ot) = self.target_time {
            if new_time < ot {
                self.target_time = Some(new_time);
            }
        } else {
            self.target_time = Some(new_time);
        }
    }
 }
 pub trait Widget {
    fn wait(&mut self, ctx: &mut WaitContext);
    fn enter(&mut self);
    fn leave(&mut self);
    fn size(&self) -> (u32, u32);
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
        expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error>;
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    );
    fn mouse_click(&mut self, button: u32, pos: (u32, u32));
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32));
 }
 pub struct VerticalLayout<'a> {
    pub children: Vec<Box<dyn Widget + Send + 'a>>,
 }
 #[allow(dead_code)]
 impl<'a> VerticalLayout<'a> {
    pub fn new(children: Vec<Box<dyn Widget + Send + 'a>>) -> Box<VerticalLayout> {
        Box::new(VerticalLayout { children })
    }
 }
 impl<'a> Widget for VerticalLayout<'a> {
    fn wait(&mut self, ctx: &mut WaitContext) {
        for child in &mut self.children {
            child.wait(ctx);
        }
    }
    fn enter(&mut self) {
        for child in &mut self.children {
            child.enter();
        }
    }
    fn leave(&mut self) {
        for child in &mut self.children {
            child.leave();
        }
    }
    fn size(&self) -> (u32, u32) {
        let mut width = 0;
        let mut height = 0;
        for child in &self.children {
            let size = child.size();
            if size.0 > width {
                width = size.0;
            }
            height += size.1;
        }
        (width, height)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
        expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let mut offset = 0;
        let mut width = 0;
        let mut damage = Vec::new();
        let mut full_damage = false;
        for child in &mut self.children {
            let mut report = child.draw(
                ctx,
                (pos.0, offset + pos.1),
                (expansion.0, expansion.1 - offset),
            )?;
            if report.width > width {
                width = report.width
            }
            offset += report.height;
            full_damage |= report.full_damage;
            damage.append(&mut report.damage);
        }
        Ok(DrawReport {
            width,
            height: offset,
            damage,
            full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        for child in &mut self.children {
            child.keyboard_input(keysym, modifier_state, key_state, interpreted.clone());
        }
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        let mut height = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.1 >= height && pos.1 < height + size.1 {
                let pos = (pos.0, pos.1 - height);
                child.mouse_click(button, pos);
                return;
            }
            height += size.1;
        }
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        let mut height = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.1 >= height && pos.1 < height + size.1 {
                let pos = (pos.0, pos.1 - height);
                child.mouse_scroll(scroll, pos);
                return;
            }
            height += size.1;
        }
    }
 }
 pub struct HorizontalLayout<'a> {
    pub children: Vec<Box<dyn Widget + Send + 'a>>,
 }
 #[allow(dead_code)]
 impl<'a> HorizontalLayout<'a> {
    pub fn new(children: Vec<Box<dyn Widget + Send + 'a>>) -> Box<HorizontalLayout> {
        Box::new(HorizontalLayout { children })
    }
    fn height(&self) -> u32 {
        let mut height = 0;
        for child in &self.children {
            let size = child.size();
            if size.1 > height {
                height = size.1;
            }
        }
        height
    }
 }
 impl<'a> Widget for HorizontalLayout<'a> {
    fn wait(&mut self, ctx: &mut WaitContext) {
        for child in &mut self.children {
            child.wait(ctx);
        }
    }
    fn enter(&mut self) {
        for child in &mut self.children {
            child.enter();
        }
    }
    fn leave(&mut self) {
        for child in &mut self.children {
            child.leave();
        }
    }
    fn size(&self) -> (u32, u32) {
        let mut width = 0;
        let mut height = 0;
        for child in &self.children {
            let size = child.size();
            if size.1 > height {
                height = size.1;
            }
            width += size.0;
        }
        (width, height)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
        expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let mut offset = 0;
        let mut height = 0;
        let mut damage = Vec::new();
        let mut full_damage = false;
        for child in &mut self.children {
            let mut report = child.draw(
                ctx,
                (offset + pos.0, pos.1),
                (expansion.0 - offset, expansion.1),
            )?;
            if report.height > height {
                height = report.height
            }
            offset += report.width;
            full_damage |= report.full_damage;
            damage.append(&mut report.damage);
        }
        Ok(DrawReport {
            width: offset,
            height,
            damage,
            full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        for child in &mut self.children {
            child.keyboard_input(keysym, modifier_state, key_state, interpreted.clone());
        }
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        let mut width = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.0 >= width && pos.0 < width + size.0 {
                let pos = (pos.0 - width, pos.1);
                child.mouse_click(button, pos);
                return;
            }
            width += size.0;
        }
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        let mut width = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.0 >= width && pos.0 < width + size.0 {
                let pos = (pos.0 - width, pos.1);
                child.mouse_scroll(scroll, pos);
                return;
            }
            width += size.0;
        }
    }
 }
 pub struct Margin<'a> {
    pub child: Box<dyn Widget + Send + 'a>,
    pub margins: (u32, u32, u32, u32), // left, right, top, bottom
 }
 #[allow(dead_code)]
 impl<'a> Margin<'a> {
    pub fn new(margins: (u32, u32, u32, u32), child: Box<dyn Widget + Send + 'a>) -> Box<Margin> {
        Box::new(Margin { child, margins })
    }
 }
 impl<'a> Widget for Margin<'a> {
    fn wait(&mut self, ctx: &mut WaitContext) {
        self.child.wait(ctx)
    }
    fn enter(&mut self) {
        self.child.enter()
    }
    fn leave(&mut self) {
        self.child.leave()
    }
    fn size(&self) -> (u32, u32) {
        let size = self.child.size();
        (
            size.0 + self.margins.0 + self.margins.1,
            size.1 + self.margins.2 + self.margins.3,
        )
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
        expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let expansion = (
            expansion.0 - self.margins.0 - self.margins.1,
            expansion.1 - self.margins.2 - self.margins.3,
        );
        let report = self.child.draw(
            ctx,
            (pos.0 + self.margins.0, pos.1 + self.margins.2),
            expansion,
        )?;
        Ok(DrawReport {
            width: report.width + self.margins.0 + self.margins.1,
            height: report.height + self.margins.2 + self.margins.3,
            damage: report.damage,
            full_damage: report.full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        self.child
            .keyboard_input(keysym, modifier_state, key_state, interpreted);
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        let pos = (
            pos.0.saturating_sub(self.margins.0),
            pos.1.saturating_sub(self.margins.2),
        );
        self.child.mouse_click(button, pos);
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        let pos = (
            pos.0.saturating_sub(self.margins.0),
            pos.1.saturating_sub(self.margins.2),
        );
        self.child.mouse_scroll(scroll, pos);
    }
 }
 pub struct Fixed<'a> {
    pub child: Box<dyn Widget + Send + 'a>,
    pub size: (u32, u32),
 }
 #[allow(dead_code)]
 impl<'a> Fixed<'a> {
    pub fn new(size: (u32, u32), child: Box<dyn Widget + Send + 'a>) -> Box<Fixed> {
        Box::new(Fixed { child, size })
    }
 }
 impl<'a> Widget for Fixed<'a> {
    fn wait(&mut self, ctx: &mut WaitContext) {
        self.child.wait(ctx)
    }
    fn enter(&mut self) {
        self.child.enter()
    }
    fn leave(&mut self) {
        self.child.leave()
    }
    fn size(&self) -> (u32, u32) {
        self.size
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
        expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let report = self.child.draw(ctx, pos, expansion)?;
        Ok(DrawReport {
            width: self.size.0,
            height: self.size.1,
            damage: report.damage,
            full_damage: report.full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        self.child
            .keyboard_input(keysym, modifier_state, key_state, interpreted);
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        self.child.mouse_click(button, pos);
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        self.child.mouse_scroll(scroll, pos);
    }
 }
@@ -0,0 +1,112 @@
 use std::{
    thread,
    sync::{Arc, Mutex},
 };
 use crate::{
    color::Color,
    fonts::FontMap,
    event::{Event, Events, PointerButton},
    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
 use alsa::mixer::{
    Mixer, Selem, SelemChannelId, SelemId,
 };
 #[inline]
 fn alsa_volume_to_f32(volume: i64, min: i64, max: i64) -> f32 {
    (volume - min) as f32 / (max - min) as f32
 }
 #[inline]
 fn f32_to_alsa_volume(volume: f32, min: i64, max: i64) -> i64 {
    min + ((max - min) as f32 * volume) as i64
 }
 fn get_master_volume(selem: &mut Selem) -> f32 {
    let (min, max) = selem.get_playback_volume_range();
    selem
        .get_playback_volume(SelemChannelId::mono())
        .map(|volume| alsa_volume_to_f32(volume, min, max))
        .unwrap()
 }
 fn get_mute(selem: &mut Selem) -> bool {
    let res = selem.get_playback_switch(SelemChannelId::FrontLeft);
    false
 }
 fn set_master_volume(selem: &mut Selem, volume: f32) {
    let (min, max) = selem.get_playback_volume_range();
    let volume = f32_to_alsa_volume(volume, min, max);
    selem.set_playback_volume_all(volume).unwrap();
 }
 fn start_monitor(inner: Arc<Mutex<Inner>>) {
    thread::Builder::new()
        .name("audiomon".to_string())
        .spawn(move || {
            let mixer = Mixer::new("default", true).unwrap();
            let id = SelemId::new("Master", 0);
            let mut selem = mixer.find_selem(&id).unwrap();
            let mut inner = inner.lock().unwrap();
            inner.volume = get_master_volume(&mut selem);
            inner.mute = get_mute(&mut selem);
        })
        .unwrap();
 }
 struct Inner {
    volume: f32,
    mute: bool,
 }
 pub struct AlsaAudio {
    inner: Arc<Mutex<Inner>>,
 }
 impl AlsaAudio {
    pub fn new(fm: &mut FontMap, font: &'static str, size: f32) -> BarWidget {
        let inner = Arc::new(Mutex::new(Inner{
            mute: false,
            volume: 0.,
        }));
        start_monitor(inner.clone());
        let dev = AlsaAudio{ inner };
        BarWidget::new(Box::new(dev), fm, font, size)
    }
 }
 impl BarWidgetImpl for AlsaAudio {
    fn name(&self) -> &'static str {
        "audio"
    }
    fn get_dirty(&self) -> bool {
        true
    }
    fn value(&mut self) -> f32 {
        let inner = self.inner.lock().unwrap();
        inner.volume
    }
    fn color(&self) -> Color {
        let inner = self.inner.lock().unwrap();
        if inner.mute {
            Color::DARKORANGE
        } else {
            Color::WHITE
        }
    }
    fn click(&mut self, pos: f32, btn: PointerButton) {
        let inner = self.inner.lock().unwrap();
        match btn {
 //            PointerButton::Left =>  inner.set_master_volume(pos),
            //PointerButton::Right => Some(Change::ToggleMute),
            //PointerButton::ScrollVertical(val) => Some(Change::VolumeInc((val / 512.) as f32)),
            //PointerButton::ScrollHorizontal(val) => Some(Change::VolumeInc((val / 100.) as f32)),
            _ => (),
        };
    }
 }
@@ -1,119 +0,0 @@
 use crate::color::Color;
 use crate::widget::WaitContext;
 use crate::{
    fonts::FontRef,
    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
 use alsa::mixer::{Mixer, Selem, SelemChannelId, SelemId};
 const CARD_NAME: &str = "default";
 const SELEM_NAME: &str = "Master";
 const SELEM_ID: u32 = 0u32;
 #[inline]
 fn alsa_error_to_io_error(fail: &'static str, err: &alsa::Error) -> ::std::io::Error {
    let kind = ::std::io::ErrorKind::Other;
    let func = err.func();
    let errno = err
        .errno()
        .map(|errno| format!("; errno = {}", errno))
        .unwrap_or_default();
    ::std::io::Error::new(kind, format!("{}: {}{}", fail, func, errno))
 }
 #[inline]
 fn alsa_volume_to_f32(volume: i64, min: i64, max: i64) -> f32 {
    (volume - min) as f32 / (max - min) as f32
 }
 #[inline]
 fn f32_to_alsa_volume(volume: f32, min: i64, max: i64) -> i64 {
    min + ((max - min) as f32 * volume) as i64
 }
 pub struct Alsa {
    pub mixer: Mixer,
 }
 impl Alsa {
    pub fn new(font: FontRef, font_size: f32, length: u32) -> ::std::io::Result<Box<BarWidget>> {
        let mixer = Mixer::new(CARD_NAME, true)
            .map_err(|err| alsa_error_to_io_error("Failed to create ALSA mixer", &err))?;
        let mixer = Self { mixer };
        mixer.get_master_volume()?; // probing
        Ok(BarWidget::new_simple(
            font,
            font_size,
            length,
            Box::new(mixer),
        ))
    }
    #[inline]
    pub fn get_master(&self) -> ::std::io::Result<Selem> {
        let master_id = SelemId::new(SELEM_NAME, SELEM_ID);
        match self.mixer.find_selem(&master_id) {
            Some(master) => Ok(master),
            None => {
                let kind = ::std::io::ErrorKind::NotFound;
                let desc = "`Master` not found";
                Err(::std::io::Error::new(kind, desc))
            }
        }
    }
    pub fn get_master_volume(&self) -> ::std::io::Result<f32> {
        let master = self.get_master()?;
        let (min, max) = master.get_playback_volume_range();
        master
            .get_playback_volume(SelemChannelId::mono())
            .map(|volume| alsa_volume_to_f32(volume, min, max))
            .map_err(|e| alsa_error_to_io_error("Failed to get `Master` volume", &e))
    }
    pub fn set_master_volume(&self, volume: f32) -> ::std::io::Result<()> {
        let master = self.get_master()?;
        let (min, max) = master.get_playback_volume_range();
        let volume = f32_to_alsa_volume(volume, min, max);
        master
            .set_playback_volume_all(volume)
            .map_err(|e| alsa_error_to_io_error("Failed to set `Master` volume", &e))
    }
    pub fn inc_master_volume(&self, diff: f32) -> ::std::io::Result<()> {
        let master = self.get_master()?;
        let (min, max) = master.get_playback_volume_range();
        master
            .get_playback_volume(SelemChannelId::mono())
            .and_then(|volume| {
                let volume = alsa_volume_to_f32(volume, min, max);
                let volume = f32_to_alsa_volume(volume + diff, min, max);
                master.set_playback_volume_all(volume)
            })
            .map_err(|e| alsa_error_to_io_error("Failed to inc/dec `Master` volume", &e))
    }
 }
 impl BarWidgetImpl for Alsa {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn name(&self) -> &str {
        "volume"
    }
    fn value(&self) -> f32 {
        match self.get_master_volume() {
            Ok(v) => v,
            Err(e) => panic!("{}", e),
        }
    }
    fn color(&self) -> Color {
        Color::new(1.0, 1.0, 1.0, 1.0)
    }
    fn inc(&mut self, diff: f32) {
        if let Err(e) = self.inc_master_volume(diff) {
            panic!("{}", e)
        }
    }
    fn set(&mut self, abs: f32) {
        if let Err(e) = self.set_master_volume(abs) {
            panic!("{}", e)
        }
    }
    fn toggle(&mut self) {}
 }
@@ -1,9 +0,0 @@
 #[cfg(feature = "alsa-widget")]
 mod alsa_sound;
 #[cfg(feature = "alsa-widget")]
 pub use alsa_sound::Alsa;
 #[cfg(feature = "pulseaudio-widget")]
 mod pulse_sound;
 #[cfg(feature = "pulseaudio-widget")]
 pub use pulse_sound::PulseAudio;
@@ -1,544 +0,0 @@
 use crate::cmd::Cmd;
 use crate::color::Color;
 use crate::widget::WaitContext;
 use crate::{
    fonts::FontRef,
    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
 use std::cell::RefCell;
 use std::collections::HashMap;
 use std::ops::Deref;
 use std::rc::Rc;
 use std::sync::mpsc::{channel, Sender};
 use std::sync::{Arc, Mutex};
 use std::thread;
 use libpulse_binding::callbacks::ListResult;
 use libpulse_binding::context::{
    introspect::ServerInfo, introspect::SinkInfo, subscribe::Facility, subscribe::InterestMaskSet,
    subscribe::Operation as SubscribeOperation, Context, FlagSet, State as PulseState,
 };
 use libpulse_binding::mainloop::standard::IterateResult;
 use libpulse_binding::mainloop::standard::Mainloop;
 use libpulse_binding::proplist::{properties, Proplist};
 use libpulse_binding::volume::{ChannelVolumes, Volume};
 struct PulseAudioConnection {
    mainloop: Rc<RefCell<Mainloop>>,
    context: Rc<RefCell<Context>>,
 }
 #[derive(Clone)]
 struct PulseAudioSinkInfo {
    volume: ChannelVolumes,
    mute: bool,
 }
 struct PulseAudioClient {
    sender: Sender<PulseAudioClientRequest>,
    default_sink: String,
    sinks: HashMap<String, PulseAudioSinkInfo>,
 }
 enum PulseAudioClientRequest {
    GetDefaultDevice(Option<Sender<bool>>),
    GetSinkInfoByIndex(Option<Sender<bool>>, u32),
    GetSinkInfoByName(Option<Sender<bool>>, String),
    SetSinkVolumeByName(Option<Sender<bool>>, String, ChannelVolumes),
    SetSinkMuteByName(Option<Sender<bool>>, String, bool),
 }
 #[derive(Debug)]
 struct PulseAudioSoundDeviceInner {
    name: Option<String>,
    volume: Option<ChannelVolumes>,
    volume_avg: f32,
    muted: bool,
    default_sink: String,
 }
 struct PulseAudioSoundDevice {
    client: Arc<Mutex<PulseAudioClient>>,
    inner: Arc<Mutex<PulseAudioSoundDeviceInner>>,
 }
 impl PulseAudioConnection {
    fn new() -> Result<Self, ::std::io::Error> {
        let mut proplist = Proplist::new().unwrap();
        proplist
            .set_str(properties::APPLICATION_NAME, "wldash")
            .unwrap();
        let mainloop = Rc::new(RefCell::new(Mainloop::new().unwrap()));
        let context = Rc::new(RefCell::new(
            Context::new_with_proplist(mainloop.borrow().deref(), "wldash_context", &proplist)
                .unwrap(),
        ));
        context
            .borrow_mut()
            .connect(None, FlagSet::NOFLAGS, None)
            .map_err(|_e| {
                ::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "unable to connect to pulseaudio context",
                )
            })?;
        let mut connection = PulseAudioConnection { mainloop, context };
        // Wait for context to be ready
        loop {
            connection.iterate(false)?;
            match connection.context.borrow().get_state() {
                PulseState::Ready => {
                    break;
                }
                PulseState::Failed | PulseState::Terminated => {}
                _ => {}
            }
        }
        Ok(connection)
    }
    fn iterate(&mut self, blocking: bool) -> Result<(), ::std::io::Error> {
        match self.mainloop.borrow_mut().iterate(blocking) {
            IterateResult::Quit(_) | IterateResult::Err(_) => Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to iterate pulseaudio state",
            )),
            IterateResult::Success(_) => Ok(()),
        }
    }
 }
 impl PulseAudioClient {
    fn new<F>(listener: F) -> Result<Arc<Mutex<Self>>, ::std::io::Error>
    where
        F: Fn(Arc<Mutex<Self>>) -> (),
        F: Send + 'static + Clone,
    {
        let (tx, rx) = channel();
        let client = Arc::new(Mutex::new(PulseAudioClient {
            sender: tx,
            default_sink: "@DEFAULT_SINK@".to_string(),
            sinks: HashMap::new(),
        }));
        let loop_client = client.clone();
        let (tx1, rx1) = channel();
        let _ = thread::Builder::new()
            .name("pa_writer".to_string())
            .spawn(move || {
                let mut conn = match PulseAudioConnection::new() {
                    Ok(v) => {
                        tx1.send(true).unwrap();
                        v
                    }
                    Err(_) => {
                        tx1.send(false).unwrap();
                        return;
                    }
                };
                // make sure mainloop dispatched everything
                for _ in 0..10 {
                    conn.iterate(false).unwrap();
                }
                loop {
                    let cl = loop_client.clone();
                    let l = listener.clone();
                    match rx.recv() {
                        Err(_) => return,
                        Ok(req) => {
                            let mut introspector = conn.context.borrow_mut().introspect();
                            let done = Arc::new(Mutex::new(false));
                            let done_reader = done.clone();
                            let s = match req {
                                PulseAudioClientRequest::GetDefaultDevice(s) => {
                                    introspector.get_server_info(move |info| {
                                        *done.lock().unwrap() = true;
                                        PulseAudioClient::server_info_callback(
                                            cl.clone(),
                                            l.clone(),
                                            info,
                                        );
                                    });
                                    s
                                }
                                PulseAudioClientRequest::GetSinkInfoByIndex(s, index) => {
                                    introspector.get_sink_info_by_index(index, move |res| {
                                        *done.lock().unwrap() = true;
                                        PulseAudioClient::sink_info_callback(
                                            cl.clone(),
                                            l.clone(),
                                            res,
                                        );
                                    });
                                    s
                                }
                                PulseAudioClientRequest::GetSinkInfoByName(s, name) => {
                                    introspector.get_sink_info_by_name(&name, move |res| {
                                        *done.lock().unwrap() = true;
                                        PulseAudioClient::sink_info_callback(
                                            cl.clone(),
                                            l.clone(),
                                            res,
                                        );
                                    });
                                    s
                                }
                                PulseAudioClientRequest::SetSinkVolumeByName(s, name, volumes) => {
                                    introspector.set_sink_volume_by_name(
                                        &name,
                                        &volumes,
                                        Some(Box::new(move |_| {
                                            *done.lock().unwrap() = true;
                                        })),
                                    );
                                    s
                                }
                                PulseAudioClientRequest::SetSinkMuteByName(s, name, mute) => {
                                    introspector.set_sink_mute_by_name(
                                        &name,
                                        mute,
                                        Some(Box::new(move |_| {
                                            *done.lock().unwrap() = true;
                                        })),
                                    );
                                    s
                                }
                            };
                            // send request and receive response
                            loop {
                                if *done_reader.lock().unwrap() {
                                    break;
                                }
                                conn.iterate(true).unwrap();
                            }
                            if let Some(s) = s {
                                let _ = s.send(true);
                            }
                        }
                    }
                }
            });
        // subscribe
        let cl2 = client.clone();
        let (tx2, rx2) = channel();
        let _ = thread::Builder::new()
            .name("pa_reader".to_string())
            .spawn(move || {
                let conn = match PulseAudioConnection::new() {
                    Ok(v) => {
                        tx2.send(true).unwrap();
                        v
                    }
                    Err(_) => {
                        tx2.send(false).unwrap();
                        return;
                    }
                };
                // subcribe for events
                conn.context
                    .borrow_mut()
                    .set_subscribe_callback(Some(Box::new(move |facility, operation, index| {
                        cl2.lock()
                            .unwrap()
                            .subscribe_callback(facility, operation, index)
                    })));
                conn.context
                    .borrow_mut()
                    .subscribe(InterestMaskSet::SERVER | InterestMaskSet::SINK, |_| {});
                conn.mainloop.borrow_mut().run().unwrap();
            });
        let pa_writer_res = rx1.recv().unwrap();
        let pa_reader_res = rx2.recv().unwrap();
        if !pa_writer_res || !pa_reader_res {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to start pulseaudio thread",
            ));
        }
        Ok(client)
    }
    fn send(&self, request: PulseAudioClientRequest) -> Result<(), ::std::io::Error> {
        self.sender.send(request).map_err(|_e| {
            ::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to send pulseaudio request",
            )
        })
    }
    fn server_info_callback<F>(s: Arc<Mutex<Self>>, listener: F, server_info: &ServerInfo)
    where
        F: Fn(Arc<Mutex<Self>>) -> (),
        F: Send + 'static,
    {
        match server_info.default_sink_name.clone() {
            None => {}
            Some(default_sink) => {
                (*s.lock().unwrap()).default_sink = default_sink.into();
                listener(s);
            }
        }
    }
    fn sink_info_callback<F>(s: Arc<Mutex<Self>>, listener: F, result: ListResult<&SinkInfo>)
    where
        F: Fn(Arc<Mutex<Self>>) -> (),
        F: Send + 'static,
    {
        match result {
            ListResult::End | ListResult::Error => {}
            ListResult::Item(sink_info) => match sink_info.name.clone() {
                None => {}
                Some(name) => {
                    let info = PulseAudioSinkInfo {
                        volume: sink_info.volume,
                        mute: sink_info.mute,
                    };
                    s.lock().unwrap().sinks.insert(name.into(), info);
                    listener(s);
                }
            },
        }
    }
    fn subscribe_callback(
        &self,
        facility: Option<Facility>,
        _operation: Option<SubscribeOperation>,
        index: u32,
    ) {
        match facility {
            None => {}
            Some(facility) => match facility {
                Facility::Server => {
                    let _ = self.send(PulseAudioClientRequest::GetDefaultDevice(None));
                }
                Facility::Sink => {
                    let _ = self.send(PulseAudioClientRequest::GetSinkInfoByIndex(None, index));
                }
                _ => {}
            },
        }
    }
 }
 impl PulseAudioSoundDevice {
    fn new<F>(listener: F) -> Result<Self, ::std::io::Error>
    where
        F: Fn() -> (),
        F: Send + 'static + Clone,
    {
        let inner = Arc::new(Mutex::new(PulseAudioSoundDeviceInner {
            name: None,
            volume: None,
            volume_avg: 0.0,
            muted: false,
            default_sink: "@DEFAULT_SINK@".to_string(),
        }));
        let cb_inner = inner.clone();
        let client = PulseAudioClient::new(move |client| {
            let mut inner = cb_inner.lock().unwrap();
            inner.default_sink = client.lock().unwrap().default_sink.clone();
            let name = inner
                .name
                .clone()
                .unwrap_or_else(|| inner.default_sink.clone());
            let sink_info = match client.lock().unwrap().sinks.get(&name) {
                None => return,
                Some(sink_info) => (*sink_info).clone(),
            };
            inner.volume = Some(sink_info.volume);
            inner.volume_avg = sink_info.volume.avg().0 as f32 / Volume::NORMAL.0 as f32;
            inner.muted = sink_info.mute;
            listener();
        })?;
        let cl = client.clone();
        let (tx, rx) = channel();
        {
            let cl = client.lock().unwrap();
            cl.send(PulseAudioClientRequest::GetDefaultDevice(Some(tx)))?;
        }
        rx.recv().unwrap();
        let name = {
            let cl = client.lock().unwrap();
            cl.default_sink.to_string()
        };
        (*inner.lock().unwrap()).name = Some(name.clone());
        let device = PulseAudioSoundDevice { client: cl, inner };
        let (tx, rx) = channel();
        {
            let cl = client.lock().unwrap();
            cl.send(PulseAudioClientRequest::GetSinkInfoByName(Some(tx), name))?;
        }
        rx.recv().unwrap();
        Ok(device)
    }
    fn muted(&self) -> bool {
        let inner = self.inner.lock().unwrap();
        inner.muted
    }
    fn volume(&self) -> f32 {
        let inner = self.inner.lock().unwrap();
        inner.volume_avg
    }
    fn inc_volume(&mut self, step: f32) -> Result<(), ::std::io::Error> {
        let mut inner = self.inner.lock().unwrap();
        let mut volume = match inner.volume {
            Some(volume) => volume,
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "unable to set volume",
                ))
            }
        };
        // apply step to volumes
        let step = (step * Volume::NORMAL.0 as f32).round() as i32;
        if step > 0 {
            volume.inc_clamp(Volume(step as u32), Volume::MAX);
        } else {
            volume.decrease(Volume(-step as u32));
        }
        let name = inner
            .name
            .clone()
            .unwrap_or_else(|| inner.default_sink.clone());
        // update volumes
        inner.volume = Some(volume);
        inner.volume_avg = volume.avg().0 as f32 / Volume::NORMAL.0 as f32;
        self.client
            .lock()
            .unwrap()
            .send(PulseAudioClientRequest::SetSinkVolumeByName(
                None, name, volume,
            ))?;
        Ok(())
    }
    fn set_volume(&mut self, val: f32) -> Result<(), ::std::io::Error> {
        let mut inner = self.inner.lock().unwrap();
        let mut volume = match inner.volume {
            Some(volume) => volume,
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "unable to set volume",
                ))
            }
        };
        // apply step to volumes
        volume.scale(Volume((val * Volume::NORMAL.0 as f32).round() as u32));
        let name = inner
            .name
            .clone()
            .unwrap_or_else(|| inner.default_sink.clone());
        // update volumes
        inner.volume = Some(volume);
        inner.volume_avg = volume.avg().0 as f32 / Volume::NORMAL.0 as f32;
        self.client
            .lock()
            .unwrap()
            .send(PulseAudioClientRequest::SetSinkVolumeByName(
                None, name, volume,
            ))?;
        Ok(())
    }
    fn toggle(&mut self) -> Result<(), ::std::io::Error> {
        let mut inner = self.inner.lock().unwrap();
        inner.muted = !inner.muted;
        self.client
            .lock()
            .unwrap()
            .send(PulseAudioClientRequest::SetSinkMuteByName(
                None,
                inner
                    .name
                    .clone()
                    .unwrap_or_else(|| inner.default_sink.clone()),
                inner.muted,
            ))?;
        Ok(())
    }
 }
 pub struct PulseAudio {
    device: PulseAudioSoundDevice,
 }
 impl PulseAudio {
    pub fn new(
        font: FontRef,
        font_size: f32,
        length: u32,
        sender: Sender<Cmd>,
    ) -> Result<Box<BarWidget>, ::std::io::Error> {
        BarWidget::new(font, font_size, length, move |dirty| {
            let device = PulseAudioSoundDevice::new(move || {
                *dirty.lock().unwrap() = true;
                sender.send(Cmd::Draw).unwrap();
            })?;
            Ok(Box::new(PulseAudio { device }))
        })
    }
 }
 impl BarWidgetImpl for PulseAudio {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn name(&self) -> &str {
        "volume"
    }
    fn value(&self) -> f32 {
        self.device.volume()
    }
    fn color(&self) -> Color {
        let muted = self.device.muted();
        if muted {
            Color::new(1.0, 1.0, 0.0, 1.0)
        } else {
            Color::new(1.0, 1.0, 1.0, 1.0)
        }
    }
    fn inc(&mut self, inc: f32) {
        self.device.inc_volume(inc).unwrap();
    }
    fn set(&mut self, val: f32) {
        self.device.set_volume(val).unwrap();
    }
    fn toggle(&mut self) {
        self.device.toggle().unwrap();
    }
 }
@@ -1,21 +1,17 @@
-use crate::color::Color;
+use std::{
-use crate::widget::WaitContext;
+    fs::{self, OpenOptions},
-use crate::{
+    io::{Error, ErrorKind, Write},
-    fonts::FontRef,
+    path::{Path, PathBuf},
    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
-use std::fs;
+use walkdir::WalkDir;
 use std::fs::OpenOptions;
 use std::io::Write;
 use std::io::{Error, ErrorKind};
 use std::path::{Path, PathBuf};
-pub struct Backlight {
+use crate::{
-    device_path: PathBuf,
+    color::Color,
-    cur_brightness: u64,
+    event::PointerButton,
-    max_brightness: u64,
+    fonts::FontMap,
-}
+    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
 fn read_file_as_u64(path: &Path) -> Result<u64, Error> {
    let mut s = fs::read_to_string(path)?;
@@ -29,113 +25,81 @@ fn write_file_as_u64(path: &Path, value: u64) -> Result<(), Error> {
    file.write_fmt(format_args!("{}", value))
 }
 pub struct Backlight {
    device_path: PathBuf,
    cur: u64,
    max: u64,
    dirty: bool,
 }
 impl Backlight {
-    pub fn update(&mut self) -> Result<(), Error> {
+    fn update(&mut self) {
-        self.cur_brightness = read_file_as_u64(self.device_path.join("brightness").as_path())?;
+        self.cur = read_file_as_u64(self.device_path.join("brightness").as_path()).unwrap();
-        self.max_brightness = read_file_as_u64(self.device_path.join("max_brightness").as_path())?;
+        self.max = read_file_as_u64(self.device_path.join("max_brightness").as_path()).unwrap();
        Ok(())
    }
-    pub fn sync(&mut self) -> Result<(), Error> {
+    pub fn new(path: Option<&str>, fm: &mut FontMap, font: &'static str, size: f32) -> BarWidget {
-        write_file_as_u64(
+        let mut device_path = None;
-            self.device_path.join("brightness").as_path(),
+        if let Some(path) = path {
-            self.cur_brightness,
+            device_path = Some(Path::new("/sys/class/backlight").to_path_buf().join(path));
        )?;
        self.update()?;
        Ok(())
    }
    pub fn brightness(&self) -> f32 {
        if self.cur_brightness > self.max_brightness {
            // what.
            return 1.0;
        }
        self.cur_brightness as f32 / self.max_brightness as f32
    }
    pub fn set(&mut self, val: f32) -> Result<(), Error> {
        self.cur_brightness = (self.max_brightness as f32 * val) as u64;
        Ok(())
    }
    pub fn add(&mut self, diff: f32) -> Result<(), Error> {
        let inc = (self.max_brightness as f32 * diff) as i64;
        self.cur_brightness = if self.cur_brightness as i64 + inc < 1 {
            1
        } else if self.cur_brightness as i64 + inc > self.max_brightness as i64 {
            self.max_brightness
        } else {
-            (self.cur_brightness as i64 + inc) as u64
+            for entry in WalkDir::new("/sys/class/backlight") {
                if let Ok(entry) = entry {
                    device_path = Some(entry.path().to_path_buf());
                }
            }
        }
        let mut dev = Backlight {
            device_path: device_path.expect("did not find backlight device"),
            cur: 0,
            max: 0,
            dirty: true,
        };
-        Ok(())
+        dev.update();
        BarWidget::new(Box::new(dev), fm, font, size)
    }
-    pub fn new<'a>(
+    pub fn detect() -> bool {
-        path: &str,
+        for entry in WalkDir::new("/sys/class/backlight") {
-        font: FontRef<'a>,
+            if entry.is_ok() {
-        font_size: f32,
+                return true;
-        length: u32,
+            }
-    ) -> Result<Box<BarWidget<'a>>, Error> {
+        }
-        let mut dev = Backlight {
+        return false;
-            device_path: Path::new("/sys/class/backlight").to_path_buf().join(path),
+    }
            cur_brightness: 0,
            max_brightness: 0,
        };
-        dev.update()?;
+    pub fn set(&mut self, brightness: f32) {
-
+        let val = (self.max as f32 * brightness) as u64;
-        Ok(BarWidget::new_simple(
+        let _ = write_file_as_u64(self.device_path.join("brightness").as_path(), val);
-            font,
+        self.cur = read_file_as_u64(self.device_path.join("brightness").as_path()).unwrap();
            font_size,
            length,
            Box::new(dev),
        ))
    }
 }
 impl BarWidgetImpl for Backlight {
-    fn wait(&mut self, _: &mut WaitContext) {}
+    fn name(&self) -> &'static str {
    fn name(&self) -> &str {
        "backlight"
    }
-    fn value(&self) -> f32 {
+    fn get_dirty(&self) -> bool {
-        self.brightness()
+        self.dirty
    }
    fn value(&mut self) -> f32 {
        if self.cur > self.max {
            // what.
            return 1.0;
        }
        self.dirty = false;
        self.cur as f32 / self.max as f32
    }
    fn color(&self) -> Color {
-        Color::new(1.0, 1.0, 1.0, 1.0)
+        Color::WHITE
    }
-    fn inc(&mut self, inc: f32) {
+    fn click(&mut self, pos: f32, btn: PointerButton) {
-        self.add(inc).unwrap();
+        self.dirty = true;
-        match self.sync() {
+        match btn {
-            Ok(val) => val,
+            PointerButton::Left => self.set(pos),
-            Err(err) => {
+            _ => (),
                eprintln!("Error while trying to change brightness: {}", err);
            }
        }
    }
    fn set(&mut self, val: f32) {
        self.set(val).unwrap();
        match self.sync() {
            Ok(val) => val,
            Err(err) => {
                eprintln!("Error while trying to change brightness: {}", err);
            }
        }
    }
    fn toggle(&mut self) {
        self.cur_brightness = if self.cur_brightness == 1 {
            self.max_brightness
        } else {
            1
        };
        match self.sync() {
            Ok(val) => val,
            Err(err) => {
                eprintln!("Error while trying to change brightness: {}", err);
            }
        }
    }
 }
@@ -1,163 +1,119 @@
-use crate::color::Color;
+use std::{cmp::min, default::Default};
-use crate::draw::{draw_bar, draw_box, Font};
+
 use crate::{
-    fonts::FontRef,
+    buffer::BufferView,
-    widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget},
+    color::Color,
    draw::{draw_bar, draw_box},
    event::{Event, PointerButton},
    fonts::FontMap,
    widgets::{Geometry, Widget},
 };
 use std::sync::{Arc, Mutex};
 pub trait BarWidgetImpl {
-    fn wait(&mut self, ctx: &mut WaitContext);
+    fn get_dirty(&self) -> bool {
-    fn name(&self) -> &str;
+        false
-    fn value(&self) -> f32;
+    }
    fn name(&self) -> &'static str;
    fn value(&mut self) -> f32;
    fn color(&self) -> Color;
-    fn inc(&mut self, inc: f32);
+    fn click(&mut self, _pos: f32, _btn: PointerButton) {}
    fn set(&mut self, val: f32);
    fn toggle(&mut self);
 }
-pub struct BarWidget<'a> {
+pub struct BarWidget {
-    bar_impl: Box<dyn BarWidgetImpl + Send>,
+    font: &'static str,
-    font: Font<'a>,
+    size: f32,
-    font_size: u32,
+    geometry: Geometry,
-    length: u32,
+    inner_widget: Box<dyn BarWidgetImpl>,
    dirty: Arc<Mutex<bool>>,
 }
-impl<'a> BarWidget<'a> {
+impl BarWidget {
-    pub fn new_simple(
+    pub fn new(
-        font: FontRef,
+        inner_widget: Box<dyn BarWidgetImpl>,
-        font_size: f32,
+        fm: &mut FontMap,
-        length: u32,
+        font: &'static str,
-        w: Box<dyn BarWidgetImpl + Send>,
+        size: f32,
-    ) -> Box<BarWidget> {
+    ) -> BarWidget {
-        let mut font = Font::new(font, font_size);
+        fm.queue_font(font, size, inner_widget.name());
-        font.add_str_to_cache(w.name());
+        BarWidget {
-
+            geometry: Default::default(),
-        Box::new(BarWidget {
+            inner_widget,
            bar_impl: w,
            dirty: Arc::new(Mutex::new(true)),
            font,
-            font_size: font_size as u32,
+            size,
            length,
        })
        }
    pub fn new<F>(
        font: FontRef<'a>,
        font_size: f32,
        length: u32,
        f: F,
    ) -> Result<Box<BarWidget>, ::std::io::Error>
    where
        F: FnOnce(Arc<Mutex<bool>>) -> Result<Box<dyn BarWidgetImpl + Send>, ::std::io::Error>,
        F: Send + 'a + Clone,
    {
        let dirty = Arc::new(Mutex::new(true));
        let im = f(dirty.clone())?;
        let mut font = Font::new(font, font_size);
        font.add_str_to_cache(im.name());
        Ok(Box::new(BarWidget {
            bar_impl: im,
            dirty,
            font,
            font_size: font_size as u32,
            length,
        }))
    }
 }
-impl<'a> Widget for BarWidget<'a> {
+impl Widget for BarWidget {
-    fn wait(&mut self, ctx: &mut WaitContext) {
+    fn geometry(&self) -> Geometry {
-        self.bar_impl.wait(ctx);
+        self.geometry
    }
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        (self.length, self.font_size)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
        expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        if self.length == 0 {
            self.length = expansion.0;
        }
        let (width, height) = (self.length, self.font_size);
        {
            let mut d = self.dirty.lock().unwrap();
            if !*d && !ctx.force {
                return Ok(DrawReport::empty(width, height));
            }
            *d = false;
    }
-        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
+    fn get_dirty(&self) -> bool {
-        buf.memset(ctx.bg);
+        self.inner_widget.get_dirty()
    }
-        let c = Color::new(1.0, 1.0, 1.0, 1.0);
+    fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry {
-        self.font.draw_text(buf, ctx.bg, &c, self.bar_impl.name())?;
+        let font = fonts.get_font(self.font, self.size);
        let fg = Color::WHITE;
-        let c = self.bar_impl.color();
+        font.draw_text(view, fg, self.inner_widget.name()).unwrap();
-        let bar_off = 5 * self.font_size;
+        let size = self.size.ceil() as u32;
-        let mut val = self.bar_impl.value();
+        let bar_offset = 4 * size;
        let val = self.inner_widget.value();
        let c = self.inner_widget.color();
        draw_bar(
-            &mut buf.offset((bar_off, 0))?,
+            &mut view.offset((bar_offset, 0)),
-            &c,
+            c,
-            width - bar_off,
+            self.geometry.width - bar_offset,
-            self.font_size,
+            size,
            val,
-        )?;
+        )
-        let mut iter = 1.0;
+        .unwrap();
-        while val > 1.0 {
+
            let c = &Color::new(0.75 / iter, 0.25 / iter, 0.25 / iter, 1.0);
            val -= 1.0;
            iter += 1.0;
            draw_bar(
                &mut buf.offset((bar_off, 0))?,
                &c,
                width - bar_off,
                self.font_size,
                val,
            )?;
        }
        draw_box(
-            &mut buf.offset((bar_off, 0))?,
+            &mut view.offset((bar_offset, 0)),
-            &c,
+            c,
-            (width - bar_off, self.font_size),
+            (self.geometry.width - bar_offset, size),
-        )?;
+        )
-        Ok(DrawReport {
+        .unwrap();
-            width,
+        self.geometry
            height,
            damage: vec![buf.get_signed_bounds()],
            full_damage: false,
        })
    }
-    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
+    fn geometry_update(&mut self, _fonts: &mut FontMap, geometry: &Geometry) -> Geometry {
-    fn mouse_click(&mut self, button: u32, (x, _): (u32, u32)) {
+        let w = min(geometry.width, 768);
-        *self.dirty.lock().unwrap() = true;
+        let mut x = geometry.x;
-        match button {
+        if geometry.width > w {
-            272 => {
+            x += geometry.width - w;
-                let offset = 5 * self.font_size;
+        }
-                if x > offset {
+        self.geometry = Geometry {
-                    self.bar_impl
+            x: x,
-                        .set(((x - offset) + 1) as f32 / (self.length - offset) as f32);
+            y: geometry.y,
            width: w,
            height: self.size.ceil() as u32,
        };
        self.geometry
    }
    fn minimum_size(&mut self, _fonts: &mut FontMap) -> Geometry {
        Geometry {
            x: 0,
            y: 0,
            width: self.size.ceil() as u32 * 6,
            height: self.size.ceil() as u32,
        }
    }
-            273 => self.bar_impl.toggle(),
+
-            x => {
+    fn event(&mut self, event: &Event) {
-                dbg!(x);
+        match event {
            Event::PointerEvent(ev) => {
                let offset = 4 * self.size.ceil() as u32;
                if ev.pos.0 >= offset {
                    let val = (ev.pos.0 - offset) as f32 / (self.geometry.width - offset) as f32;
                    self.inner_widget.click(val, ev.button);
                }
            }
            _ => (),
        }
    }
 }
    fn mouse_scroll(&mut self, (_, y): (f64, f64), _: (u32, u32)) {
        *self.dirty.lock().unwrap() = true;
        self.bar_impl.inc(y as f32 / -800.0);
    }
 }
@@ -1,240 +1,177 @@
-use crate::cmd::Cmd;
+use std::{
-use crate::color::Color;
+    error::Error,
-use crate::widget::WaitContext;
+    sync::{Arc, Mutex},
    thread,
    time::Duration,
 };
 use dbus::blocking::{
    stdintf::org_freedesktop_dbus::{Properties, PropertiesPropertiesChanged},
    LocalConnection,
 };
 use crate::{
-    fonts::FontRef,
+    color::Color,
    event::{Event, Events},
    fonts::FontMap,
    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
 use std::sync::mpsc::Sender;
 use std::sync::{Arc, Mutex};
 use nix::poll::{PollFd, PollFlags};
 fn get_upower_property(
    con: &dbus::Connection,
    device_path: &str,
    property: &str,
 ) -> Result<dbus::Message, ::std::io::Error> {
    let msg = dbus::Message::new_method_call(
        "org.freedesktop.UPower",
        device_path,
        "org.freedesktop.DBus.Properties",
        "Get",
    )
    .map_err(|_| {
        ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not send make dbus method call",
        )
    })?
    .append2(
        dbus::MessageItem::Str("org.freedesktop.UPower.Device".to_string()),
        dbus::MessageItem::Str(property.to_string()),
    );
    con.send_with_reply_and_block(msg, 1000).map_err(|_| {
        ::std::io::Error::new(::std::io::ErrorKind::Other, "could not send dbus message")
    })
 }
 // The widget is created on a different thread than where it will be used, so
 // we need it to be Send. However, dbus::Connection has a void*, so it's not
 // auto-derived. So, we make a small wrapper where we make it Send.
 struct DbusConnection(dbus::Connection);
 impl std::convert::AsRef<dbus::Connection> for DbusConnection {
    fn as_ref(&self) -> &dbus::Connection {
        &self.0
    }
 }
 unsafe impl Send for DbusConnection {}
 pub struct UpowerBattery {
    device_path: String,
    sender: Sender<Cmd>,
    dirty: Arc<Mutex<bool>>,
    state: UpowerBatteryState,
    capacity: f64,
    con: DbusConnection,
    watch: dbus::Watch,
 }
 enum UpowerBatteryState {
    Unknown,
    Charging,
    Discharging,
    Empty,
-    Full,
+    FullyCharged,
-    NotCharging,
+    PendingCharge,
-    Unknown,
+    PendingDischarge,
 }
-impl UpowerBattery {
+impl UpowerBatteryState {
-    pub fn from_device(
+    fn from_dbus(val: u64) -> UpowerBatteryState {
-        dirty: Arc<Mutex<bool>>,
+        match val {
        sender: Sender<Cmd>,
        device: &str,
    ) -> Result<Self, ::std::io::Error> {
        let con = dbus::Connection::get_private(dbus::BusType::System).map_err(|_| {
            ::std::io::Error::new(::std::io::ErrorKind::Other, "unable to open dbus")
        })?;
        let device_path = format!("/org/freedesktop/UPower/devices/{}", device);
        let rule = format!(
            "type='signal',\
             path='{}',\
             interface='org.freedesktop.DBus.Properties',\
             member='PropertiesChanged'",
            &device_path
        );
        con.add_match(&rule).map_err(|_| {
            ::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to add match rule to dbus connection",
            )
        })?;
        let upower_type: dbus::arg::Variant<u32> =
            match get_upower_property(&con, &device_path, "Type")?.get1() {
                Some(v) => v,
                None => {
                    return Err(::std::io::Error::new(
                        ::std::io::ErrorKind::Other,
                        "no such upower device",
                    ));
                }
            };
        // https://upower.freedesktop.org/docs/Device.html#Device:Type
        if upower_type.0 != 2 {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "UPower device is not a battery.",
            ));
        }
        let capacity: f64 = match get_upower_property(&con, &device_path, "Percentage")?
            .get1::<dbus::arg::Variant<f64>>()
        {
            Some(v) => v.0,
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "no such upower device",
                ));
            }
        };
        let state: UpowerBatteryState = match get_upower_property(&con, &device_path, "State")?
            .get1::<dbus::arg::Variant<u32>>()
        {
            Some(v) => match v.0 {
            1 => UpowerBatteryState::Charging,
            2 => UpowerBatteryState::Discharging,
            3 => UpowerBatteryState::Empty,
-                4 => UpowerBatteryState::Full,
+            4 => UpowerBatteryState::FullyCharged,
-                5 => UpowerBatteryState::NotCharging,
+            5 => UpowerBatteryState::PendingCharge,
-                6 => UpowerBatteryState::Discharging,
+            6 => UpowerBatteryState::PendingDischarge,
            _ => UpowerBatteryState::Unknown,
            },
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "no such upower device",
                ));
        }
-        };
+    }
        let fds = con.watch_fds();
        if fds.len() != 1 {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "expected 1 watch fd from dbus",
            ));
 }
-        Ok(UpowerBattery {
+struct InnerBattery {
    value: f32,
    state: UpowerBatteryState,
    dirty: bool,
 }
 fn get_battery_state() -> Result<UpowerBatteryState, Box<dyn Error>> {
    let conn = LocalConnection::new_system()?;
    let device_path = "/org/freedesktop/UPower/devices/DisplayDevice";
    let proxy = conn.with_proxy(
        "org.freedesktop.UPower",
        device_path,
-            con: DbusConnection(con),
+        Duration::from_millis(500),
-            dirty,
+    );
-            sender,
+    let state: u32 = proxy.get("org.freedesktop.UPower.Device", "State")?;
-            capacity,
+    Ok(UpowerBatteryState::from_dbus(state as u64))
            state,
            watch: fds[0],
        })
 }
 fn start_monitor(inner: Arc<Mutex<InnerBattery>>, events: Arc<Mutex<Events>>) {
    thread::Builder::new()
        .name("battmon".to_string())
        .spawn(move || {
            let conn = LocalConnection::new_system().unwrap();
            let device_path = "/org/freedesktop/UPower/devices/DisplayDevice";
            let proxy = conn.with_proxy(
                "org.freedesktop.UPower",
                device_path,
                Duration::from_millis(500),
            );
            let capacity: f64 = proxy
                .get("org.freedesktop.UPower.Device", "Percentage")
                .expect("unable to get property");
            let state: u32 = proxy
                .get("org.freedesktop.UPower.Device", "State")
                .expect("unable to get state");
            {
                let mut inner = inner.lock().unwrap();
                inner.value = capacity as f32 / 100.;
                inner.state = UpowerBatteryState::from_dbus(state as u64);
            }
            proxy
                .match_signal(
                    move |c: PropertiesPropertiesChanged,
                          _: &LocalConnection,
                          _: &dbus::Message| {
                        if c.interface_name != "org.freedesktop.UPower.Device" {
                            return true;
                        }
                        let mut inner = inner.lock().unwrap();
                        for (key, value) in c.changed_properties {
                            match key.as_str() {
                                "State" => {
                                    inner.state =
                                        UpowerBatteryState::from_dbus(value.0.as_u64().unwrap());
                                    inner.dirty = true;
                                    let mut events = events.lock().unwrap();
                                    events.add_event(Event::PowerUpdate);
                                }
                                "Percentage" => {
                                    inner.value = value.0.as_f64().unwrap() as f32 / 100.;
                                    inner.dirty = true;
                                    let mut events = events.lock().unwrap();
                                    events.add_event(Event::PowerUpdate);
                                }
                                _ => (),
                            }
                        }
                        true
                    },
                )
                .unwrap();
            loop {
                conn.process(Duration::from_millis(60000)).unwrap();
            }
        })
        .unwrap();
 }
 pub struct Battery {
    inner: Arc<Mutex<InnerBattery>>,
 }
 impl Battery {
    pub fn new(
-        font: FontRef,
+        events: Arc<Mutex<Events>>,
-        font_size: f32,
+        fm: &mut FontMap,
-        length: u32,
+        font: &'static str,
-        sender: Sender<Cmd>,
+        size: f32,
-    ) -> Result<Box<BarWidget>, ::std::io::Error> {
+    ) -> BarWidget {
-        BarWidget::new(font, font_size, length, move |dirty| {
+        let battery = Battery {
-            let d = UpowerBattery::from_device(dirty, sender, "DisplayDevice")?;
+            inner: Arc::new(Mutex::new(InnerBattery {
-            Ok(Box::new(d))
+                value: 0.,
-        })
+                state: UpowerBatteryState::Unknown,
-    }
+                dirty: false,
-}
+            })),
 impl BarWidgetImpl for UpowerBattery {
    fn wait(&mut self, ctx: &mut WaitContext) {
        for _ in self
            .con
            .as_ref()
            .watch_handle(self.watch.fd(), dbus::WatchEvent::Readable as u32)
        {
            let capacity = get_upower_property(self.con.as_ref(), &self.device_path, "Percentage")
                .unwrap()
                .get1::<dbus::arg::Variant<f64>>()
                .unwrap()
                .0;
            let state = match get_upower_property(self.con.as_ref(), &self.device_path, "State")
                .unwrap()
                .get1::<dbus::arg::Variant<u32>>()
                .unwrap()
                .0
            {
                1 => UpowerBatteryState::Charging,
                2 => UpowerBatteryState::Discharging,
                3 => UpowerBatteryState::Empty,
                4 => UpowerBatteryState::Full,
                5 => UpowerBatteryState::NotCharging,
                6 => UpowerBatteryState::Discharging,
                _ => UpowerBatteryState::Unknown,
        };
-            self.state = state;
+        start_monitor(battery.inner.clone(), events);
-            self.capacity = capacity;
+        BarWidget::new(Box::new(battery), fm, font, size)
            *self.dirty.lock().unwrap() = true;
            self.sender.send(Cmd::Draw).unwrap();
    }
-        ctx.fds
+    pub fn detect() -> bool {
-            .push(PollFd::new(self.watch.fd(), PollFlags::POLLIN));
+        match get_battery_state() {
            Ok(_) => true,
            Err(_) => false,
        }
-    fn name(&self) -> &str {
+    }
 }
 impl BarWidgetImpl for Battery {
    fn get_dirty(&self) -> bool {
        self.inner.lock().unwrap().dirty
    }
    fn name(&self) -> &'static str {
        "battery"
    }
-    fn value(&self) -> f32 {
+    fn value(&mut self) -> f32 {
-        (self.capacity as f32) / 100.0
+        let mut inner = self.inner.lock().unwrap();
        inner.dirty = false;
        inner.value
    }
    fn color(&self) -> Color {
-        match self.state {
+        let inner = self.inner.lock().unwrap();
-            UpowerBatteryState::Discharging | UpowerBatteryState::Unknown => {
+        match inner.state {
-                if self.capacity > 10.0 {
+            UpowerBatteryState::Charging | UpowerBatteryState::FullyCharged => Color::LIGHTGREEN,
-                    Color::new(1.0, 1.0, 1.0, 1.0)
+            _ if inner.value > 0.25 => Color::WHITE,
-                } else {
+            _ if inner.value > 0.1 => Color::DARKORANGE,
-                    Color::new(1.0, 0.5, 0.0, 1.0)
+            _ => Color::RED,
                }
            }
            UpowerBatteryState::Charging | UpowerBatteryState::Full => {
                Color::new(0.5, 1.0, 0.5, 1.0)
            }
            UpowerBatteryState::NotCharging | UpowerBatteryState::Empty => {
                Color::new(1.0, 0.5, 0.5, 1.0)
        }
    }
 }
    fn inc(&mut self, _: f32) {}
    fn set(&mut self, _: f32) {}
    fn toggle(&mut self) {}
 }
@@ -1,37 +1,114 @@
-use crate::buffer::Buffer;
+use std::default::Default;
-use crate::color::Color;
+
 use crate::draw::Font;
 use crate::{
-    fonts::FontRef,
+    buffer::BufferView,
-    widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget},
+    color::Color,
    event::Event,
    fonts::FontMap,
    widgets::{Geometry, Widget},
 };
-use chrono::{Datelike, NaiveDate, NaiveDateTime};
+use chrono::{Datelike, Local, NaiveDate};
-pub struct Calendar<'a> {
+pub struct Calendar {
-    cur_date: NaiveDate,
+    font: &'static str,
    month_font: &'static str,
    sections_x: i32,
    sections_y: i32,
    shown_sections_x: u32,
    shown_sections_y: u32,
    size: f32,
    dirty: bool,
-    offset: f64,
+    geometry: Geometry,
-    sections: u32,
+    year_width: u32,
-    font_size: u32,
+    date_width: u32,
-    calendar_cache: Font<'a>,
+    day_width: u32,
    month_cache: Font<'a>,
    year_cache: Font<'a>,
    day_cache: Font<'a>,
 }
-impl<'a> Calendar<'a> {
+const DAY_FACTOR: f32 = 0.6;
-    fn draw_month(
+const YEAR_FACTOR: f32 = 0.75;
-        &self,
+const MONTH_FACTOR: f32 = 1.25;
-        buf: &mut Buffer,
+const DATE_FACTOR: f32 = 1.;
        background_color: &Color,
        orig: NaiveDate,
        time: NaiveDate,
    ) -> Result<(i32, i32, i32, i32), ::std::io::Error> {
        let mut time = time;
        let mut y_off = 1;
        let mut done = false;
 const LINE_HEIGHT: f32 = 0.85;
 impl Calendar {
    pub fn new(
        fm: &mut FontMap,
        font: &'static str,
        month_font: &'static str,
        size: f32,
        sections_x: i32,
        sections_y: i32,
    ) -> Calendar {
        fm.queue_font(font, size * DAY_FACTOR, "ADEFHIMNORSTUW");
        fm.queue_font(font, size * YEAR_FACTOR, "0123456789");
        fm.queue_font(font, size * DATE_FACTOR, "0123456789");
        fm.queue_font(
            month_font,
            size * MONTH_FACTOR,
            "ADFJMNOSabcehgilmnoprstuvy",
        );
        Calendar {
            font,
            month_font,
            size,
            sections_x,
            sections_y,
            shown_sections_x: 0,
            shown_sections_y: 0,
            dirty: true,
            geometry: Default::default(),
            date_width: 0,
            day_width: 0,
            year_width: 0,
        }
    }
    fn draw_month(
        &mut self,
        fonts: &mut FontMap,
        mut view: &mut BufferView,
        orig: NaiveDate,
        mut time: NaiveDate,
    ) {
        let cal_width = 8 * self.date_width + 7 * (self.date_width / 2);
        //
        // Draw the week day
        //
        let day_offset = (self.date_width - self.day_width) / 2;
        let date_offset = self.date_width + self.date_width / 2;
        for idx in 1..8 {
            let day_font = fonts.get_font(self.font, self.size * DAY_FACTOR);
            let (wk_chr, c) = match idx {
                1 => ("MON", Color::WHITE),
                2 => ("TUE", Color::WHITE),
                3 => ("WED", Color::WHITE),
                4 => ("THU", Color::WHITE),
                5 => ("FRI", Color::WHITE),
                6 => ("SAT", Color::GREY80),
                7 => ("SUN", Color::GREY80),
                _ => panic!("impossible value"),
            };
            day_font
                .draw_text(
                    &mut view.offset((
                        idx * date_offset + day_offset,
                        (self.size * MONTH_FACTOR).ceil() as u32
                            + (self.size * DAY_FACTOR * 0.2).ceil() as u32,
                    )),
                    c,
                    &wk_chr,
                )
                .unwrap();
        }
        //
        // Draw the month
        //
        let month_font = fonts.get_font(self.month_font, self.size * MONTH_FACTOR);
        let month_str = match time.month() {
            1 => "January",
            2 => "February",
@@ -47,234 +124,228 @@ impl<'a> Calendar<'a> {
            12 => "December",
            _ => panic!("impossible value"),
        };
        month_font
            .draw_text(&mut view, Color::WHITE, month_str)
            .unwrap();
        //
-        // Draw the of the month
+        // Draw the year
        //
        self.month_cache.draw_text(
            buf,
            background_color,
            &Color::new(1.0, 1.0, 1.0, 1.0),
            month_str,
        )?;
        if time.year() != orig.year() {
-            self.year_cache.draw_text(
+            let year_font = fonts.get_font(self.font, self.size * YEAR_FACTOR);
-                &mut buf.offset((self.font_size * 20, 0))?,
+            year_font
-                background_color,
+                .draw_text(
-                &Color::new(0.8, 0.8, 0.8, 1.0),
+                    &mut view.offset((cal_width - self.year_width, 0)),
                    Color::GREY80,
                    &format!("{:}", time.year()),
-            )?;
+                )
-        }
+                .unwrap();
        //
        // Draw the week day
        //
        for idx in 1..8 {
            let wk_chr = match idx {
                1 => "MON",
                2 => "TUE",
                3 => "WED",
                4 => "THU",
                5 => "FRI",
                6 => "SAT",
                7 => "SUN",
                _ => panic!("impossible value"),
            };
            self.day_cache.draw_text(
                &mut buf.offset((
                    idx * self.font_size * 3 + self.font_size / 5,
                    y_off * self.font_size * 2 + self.font_size * 4,
                ))?,
                background_color,
                &Color::new(1.0, 1.0, 1.0, 1.0),
                &wk_chr,
            )?;
        }
        y_off += 1;
        while !done {
            let mut x_pos = 0;
            //
            // Find the start of this week
            //
            let mut wkday = time.weekday();
            while wkday != chrono::Weekday::Mon {
                x_pos += 1;
                wkday = wkday.pred();
        }
        let cal_font = fonts.get_font(self.font, self.size * DATE_FACTOR);
        'row: for y_off in 1.. {
            //
            // Draw the week number
            //
            let wk = time.iso_week();
-            self.calendar_cache.draw_text(
+            cal_font
-                &mut buf.offset((0, y_off * self.font_size * 2 + self.font_size * 4))?,
+                .draw_text(
-                background_color,
+                    &mut view.offset((
-                &Color::new(0.75, 0.75, 0.75, 1.0),
+                        0,
                        y_off * (self.size * LINE_HEIGHT).ceil() as u32
                            + (self.size * MONTH_FACTOR).ceil() as u32,
                    )),
                    if wk == orig.iso_week() {
                        Color::WHITE
                    } else {
                        Color::GREY75
                    },
                    &format!("{:02}", wk.week()),
-            )?;
+                )
-            x_pos += 1;
+                .unwrap();
            //
            // Draw the dates
            //
-            while x_pos < 8 {
+            let x_off = time.weekday().number_from_monday();
            for x_pos in x_off..8 {
                let c = if time.day() == orig.day() && time.month() == orig.month() {
-                    Color::new(1.0, 1.0, 1.0, 1.0)
+                    Color::WHITE
                } else if x_pos < 6 {
                    Color::GREY50
                } else {
-                    Color::new(0.5, 0.5, 0.5, 1.0)
+                    Color::GREY35
                };
-                self.calendar_cache.draw_text(
+                cal_font
-                    &mut buf.offset((
+                    .draw_text(
-                        x_pos * self.font_size * 3,
+                        &mut view.offset((
-                        y_off * self.font_size * 2 + self.font_size * 4,
+                            x_pos * date_offset,
-                    ))?,
+                            y_off * (self.size * LINE_HEIGHT).ceil() as u32
-                    background_color,
+                                + (self.size * MONTH_FACTOR).ceil() as u32,
-                    &c,
+                        )),
                        c,
                        &format!("{:02}", time.day()),
-                )?;
+                    )
                    .unwrap();
                let t = time.with_day(time.day() + 1);
                if t.is_none() {
-                    done = true;
+                    break 'row;
                    break;
                }
                time = t.unwrap();
                x_pos += 1;
            }
            y_off += 1;
        }
        Ok(buf.get_signed_bounds())
    }
 }
-impl<'a> Calendar<'a> {
+impl<'a> Widget for Calendar {
-    pub fn new(
+    fn get_dirty(&self) -> bool {
-        time: NaiveDateTime,
+        self.dirty
-        font_primary: FontRef<'a>,
+    }
-        font_secondary: FontRef<'a>,
+
-        font_size: f32,
+    fn geometry(&self) -> Geometry {
-        sections: u32,
+        self.geometry
-    ) -> Box<Calendar<'a>> {
+    }
-        let mut calendar_cache = Font::new(font_secondary, font_size * 2.0);
+
-        calendar_cache.add_str_to_cache("0123456789");
+    fn event(&mut self, event: &Event) {
-        let mut month_cache = Font::new(font_primary, font_size * 4.0);
+        match event {
-        month_cache.add_str_to_cache("JanuryFebMchApilJgstSmOoNvD");
+            Event::NewMinute => {
-        let mut year_cache = Font::new(font_primary, font_size * 1.5);
+                self.dirty = true;
-        year_cache.add_str_to_cache("-0123456789");
+            }
-        let mut day_cache = Font::new(font_primary, font_size);
+            _ => (),
        day_cache.add_str_to_cache("MONTUEWDHFRISA");
        Box::new(Calendar {
            cur_date: time.date(),
            dirty: true,
            offset: 0.0,
            sections,
            font_size: font_size as u32,
            calendar_cache,
            month_cache,
            year_cache,
            day_cache,
        })
        }
    }
-impl<'a> Widget for Calendar<'a> {
+    fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry {
-    fn wait(&mut self, _: &mut WaitContext) {}
+        if self.shown_sections_y == 0 || self.shown_sections_x == 0 {
-    fn enter(&mut self) {}
+            return Geometry {
-    fn leave(&mut self) {}
+                x: self.geometry.x,
-
+                y: self.geometry.y,
-    fn size(&self) -> (u32, u32) {
+                width: 0,
-        let cal_width = 7 * self.font_size * 3 + self.font_size * 2;
+                height: 0,
-        let cal_pad = self.font_size * 3;
+            };
        (
            cal_width * self.sections + cal_pad * (self.sections - 1),
            (self.font_size as f32 * 21.5) as u32,
        )
        }
-    fn draw(
+        let time = Local::now().naive_local().date();
-        &mut self,
+
-        ctx: &mut DrawContext,
+        let cal_height =
-        pos: (u32, u32),
+            (self.size * MONTH_FACTOR).ceil() as u32 + (self.size * LINE_HEIGHT * 8.).ceil() as u32;
-        _expansion: (u32, u32),
+        let cal_width = 8 * self.date_width + 7 * (self.date_width / 2);
-    ) -> Result<DrawReport, ::std::io::Error> {
+        let cal_pad = self.date_width * 2;
        let (width, height) = self.size();
        if ctx.time.date() == self.cur_date && !ctx.force && !self.dirty {
            return Ok(DrawReport::empty(width, height));
        }
        self.dirty = false;
        self.cur_date = ctx.time.date();
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        let time = ctx.time.date();
        let mut t = time.with_day(1).unwrap();
-        let o = (self.offset / 100.0) as i32;
+        let cals = self.shown_sections_y * self.shown_sections_x;
-
+        if cals >= 3 {
-        let cals = self.sections - 1;
+            t = t.pred_opt().unwrap().with_day(1).unwrap();
        let pre_cals = cals / 2;
        for _ in 0..pre_cals {
            t = t.pred().with_day(1).unwrap();
        }
-        if o != 0 {
+        for ydx in 0..self.shown_sections_y {
-            let mut month = (t.month() - 1) as i32 + o;
+            for idx in 0..self.shown_sections_x {
-            let mut year = t.year();
+                self.draw_month(
-            while month > 11 {
+                    fonts,
-                year += 1;
+                    &mut view.offset(((cal_width + cal_pad) * idx, cal_height * ydx)),
-                month -= 12;
+                    time,
-            }
+                    t,
-            while month < 0 {
+                );
                year -= 1;
                month += 12;
            }
            t = t
                .with_year(year)
                .unwrap()
                .with_month((month + 1) as u32)
                .unwrap();
        }
        let cal_pad = 7 * self.font_size * 3 + self.font_size * 5;
        for idx in 0..self.sections {
            self.draw_month(&mut buf.offset((cal_pad * idx, 0))?, ctx.bg, time, t)?;
                t = if t.month() == 12 {
                    t.with_year(t.year() + 1).unwrap().with_month(1).unwrap()
                } else {
                    t.with_month(t.month() + 1).unwrap()
                };
            }
-        Ok(DrawReport {
+        }
-            width,
+        self.dirty = false;
-            height,
+        self.geometry
            damage: vec![buf.get_signed_bounds()],
            full_damage: false,
        })
    }
-    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
+    fn geometry_update(&mut self, fonts: &mut FontMap, geometry: &Geometry) -> Geometry {
-    fn mouse_click(&mut self, _: u32, (x, _): (u32, u32)) {
+        let year_font = fonts.get_font(self.font, self.size * YEAR_FACTOR);
-        let cal_pad = 7 * self.font_size * 3 + self.font_size * 5;
+        self.year_width = year_font.auto_widest("0123456789").unwrap() * 4;
-        let cals = self.sections - 1;
+        let cal_font = fonts.get_font(self.font, self.size * DATE_FACTOR);
-        let pre_cals = cals / 2;
+        self.date_width = cal_font.auto_widest("0123456789").unwrap() * 2;
-        if x < pre_cals * cal_pad {
+        let day_font = fonts.get_font(self.font, self.size * DAY_FACTOR);
-            self.offset -= 100.0;
+        self.day_width = day_font.auto_widest("ADEFHIMNORSTUW").unwrap() * 3;
-        } else if x >= (pre_cals + 1) * cal_pad {
+
-            self.offset += 100.0;
+        let cal_width = 8 * self.date_width + 7 * (self.date_width / 2);
        let cal_height =
            (self.size * MONTH_FACTOR).ceil() as u32 + (self.size * LINE_HEIGHT * 8.).ceil() as u32;
        let cal_pad = self.date_width * 2;
        if geometry.width < cal_width || geometry.height < cal_height {
            self.shown_sections_x = 0;
            self.shown_sections_y = 0;
            self.geometry = Default::default();
            return self.geometry;
        }
        let possible_sections_x = 1 + (geometry.width - cal_width) / (cal_width + cal_pad);
        let possible_sections_y = 1 + (geometry.height - cal_height) / cal_height;
        self.shown_sections_x =
            if self.sections_x > 0 && self.sections_x < possible_sections_x as i32 {
                self.sections_x as u32
            } else {
-            self.offset = 0.0;
+                possible_sections_x
            };
        self.shown_sections_y =
            if self.sections_y > 0 && self.sections_y < possible_sections_y as i32 {
                self.sections_y as u32
            } else {
                possible_sections_y
            };
        self.geometry = Geometry {
            x: geometry.x,
            y: geometry.y,
            width: cal_width * self.shown_sections_x as u32
                + cal_pad * (self.shown_sections_x as u32 - 1),
            height: cal_height * self.shown_sections_y as u32,
        };
        self.geometry
    }
    fn minimum_size(&mut self, fonts: &mut FontMap) -> Geometry {
        let cal_font = fonts.get_font(self.font, self.size * DATE_FACTOR);
        let date_width = cal_font.auto_widest("0123456789").unwrap() * 2;
        let cal_width = 8 * date_width + 7 * (date_width / 2);
        let cal_height =
            (self.size * MONTH_FACTOR).ceil() as u32 + (self.size * LINE_HEIGHT * 8.).ceil() as u32;
        let cal_pad = date_width * 2;
        let sections_x = match self.sections_x {
            -1 => 1,
            0 => {
                return Geometry {
                    x: 0,
                    y: 0,
                    width: 0,
                    height: 0,
                }
            }
            x => x,
        };
        let sections_y = match self.sections_y {
            -1 => 1,
            0 => {
                return Geometry {
                    x: 0,
                    y: 0,
                    width: 0,
                    height: 0,
                }
            }
            y => y,
        };
        let width = cal_width * sections_x as u32 + cal_pad * (sections_x as u32 - 1);
        let height = cal_height * sections_y as u32;
        Geometry {
            x: 0,
            y: 0,
            width: width,
            height: height,
        }
        self.dirty = true;
    }
    fn mouse_scroll(&mut self, (_, y): (f64, f64), _: (u32, u32)) {
        self.offset += y;
        self.dirty = true;
    }
 }
@@ -1,92 +1,96 @@
-use crate::color::Color;
+use std::default::Default;
-use crate::draw::Font;
+
 use crate::{
-    fonts::FontRef,
+    buffer::BufferView,
-    widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget},
+    color::Color,
    event::Event,
    fonts::FontMap,
    widgets::{Geometry, Widget},
 };
-use chrono::{Duration, NaiveDateTime, Timelike};
+use chrono::{Local, Timelike};
-pub struct Clock<'a> {
+pub struct Clock {
-    cur_time: NaiveDateTime,
+    font: &'static str,
    clock_cache: Font<'a>,
    size: f32,
-    digit: u32,
+    dirty: bool,
-    colon: u32,
+    geometry: Geometry,
    digit_width: u32,
    colon_width: u32,
 }
-impl<'a> Clock<'a> {
+impl<'a> Clock {
-    pub fn new(time: NaiveDateTime, font: FontRef, size: f32) -> ::std::io::Result<Box<Clock>> {
+    pub fn new(fm: &mut FontMap, font: &'static str, size: f32) -> Clock {
-        let mut clock_cache = Font::new(font, size);
+        fm.queue_font(font, size, "0123456789: ");
-        clock_cache.add_str_to_cache("0123456789:");
+        Clock {
-
+            font,
        let digit = clock_cache.auto_widest("123456789")?;
        let colon = clock_cache.auto_widest(":")?;
        Ok(Box::new(Clock {
            cur_time: time,
            clock_cache,
            size,
-            digit,
+            dirty: true,
-            colon,
+            geometry: Default::default(),
-        }))
+            digit_width: 0,
            colon_width: 0,
        }
    }
 }
-impl<'a> Widget for Clock<'a> {
+impl<'a> Widget for Clock {
-    fn wait(&mut self, ctx: &mut WaitContext) {
+    fn get_dirty(&self) -> bool {
-        let target = (self.cur_time + Duration::seconds(60))
+        self.dirty
            .with_second(0)
            .unwrap()
            .with_nanosecond(0)
            .unwrap();
        ctx.set_time(target);
    }
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        (self.digit * 4 + self.colon, self.size.ceil() as u32)
    }
-    fn draw(
+    fn geometry(&self) -> Geometry {
-        &mut self,
+        self.geometry
        ctx: &mut DrawContext,
        pos: (u32, u32),
        _expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        if !(ctx.time.date() != self.cur_time.date()
            || ctx.time.hour() != self.cur_time.hour()
            || ctx.time.minute() != self.cur_time.minute()
            || ctx.force)
        {
            return Ok(DrawReport::empty(width, height));
    }
-        self.cur_time = ctx.time;
+    fn event(&mut self, event: &Event) {
        match event {
            Event::NewMinute => {
                self.dirty = true;
            }
            _ => (),
        }
    }
-        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
+    fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry {
-        buf.memset(ctx.bg);
+        let time = Local::now().naive_local();
        let fg = Color::WHITE;
-        let digit = self.digit;
+        let digit = self.digit_width;
-        let colon = self.colon;
+        let colon = self.colon_width;
-        self.clock_cache.draw_text_fixed_width(
+        let font = fonts.get_font(self.font, self.size);
-            buf,
+        font.draw_text_fixed_width(
-            ctx.bg,
+            view,
-            &Color::new(1.0, 1.0, 1.0, 1.0),
+            fg,
            &[digit, digit, colon, digit, digit],
-            &format!("{:02}:{:02}", ctx.time.hour(), ctx.time.minute()),
+            &format!("{:02}:{:02}", time.hour(), time.minute()),
-        )?;
+        )
-
+        .unwrap();
-        Ok(DrawReport {
+        self.dirty = false;
-            width,
+        self.geometry
            height,
            damage: vec![(pos.0 as i32, pos.1 as i32, width as i32, height as i32)],
            full_damage: false,
        })
    }
-    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
+    fn geometry_update(&mut self, fonts: &mut FontMap, geometry: &Geometry) -> Geometry {
-    fn mouse_click(&mut self, _: u32, _: (u32, u32)) {}
+        let font = fonts.get_font(self.font, self.size);
-    fn mouse_scroll(&mut self, _: (f64, f64), _: (u32, u32)) {}
+        self.digit_width = font.auto_widest("0123456789").unwrap();
        self.colon_width = font.auto_widest(":").unwrap();
        self.geometry = Geometry {
            x: geometry.x,
            y: geometry.y,
            width: self.digit_width * 4 + self.colon_width,
            height: self.size.ceil() as u32,
        };
        self.geometry
    }
    fn minimum_size(&mut self, fonts: &mut FontMap) -> Geometry {
        let font = fonts.get_font(self.font, self.size);
        let digit_width = font.auto_widest("0123456789").unwrap();
        let colon_width = font.auto_widest(":").unwrap();
        Geometry {
            x: 0,
            y: 0,
            width: digit_width * 4 + colon_width,
            height: self.size.ceil() as u32,
        }
    }
 }
@@ -1,95 +1,92 @@
-use crate::color::Color;
+use std::default::Default;
-use crate::draw::Font;
+
 use crate::{
-    fonts::FontRef,
+    buffer::BufferView,
-    widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget},
+    color::Color,
    event::Event,
    fonts::FontMap,
    widgets::{Geometry, Widget},
 };
-use chrono::{Datelike, NaiveDateTime};
+use chrono::{Datelike, Local};
-pub struct Date<'a> {
+pub struct Date {
-    cur_time: NaiveDateTime,
+    font: &'static str,
    date_cache: Font<'a>,
    size: f32,
-    ch_width: u32,
+    dirty: bool,
-    digit_width: u32,
+    geometry: Geometry,
    spacing_width: u32,
 }
-impl<'a> Date<'a> {
+impl Date {
-    pub fn new(time: NaiveDateTime, font: FontRef, size: f32) -> ::std::io::Result<Box<Date>> {
+    pub fn new(fm: &mut FontMap, font: &'static str, size: f32) -> Date {
-        let mut date_cache = Font::new(font, size);
+        fm.queue_font(font, size, "0123456789/, adehinortuFMSTW");
-        let chs = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        Date {
-        let digits = "0123456789,/ ";
+            font,
        let spacings = ",/ ";
        date_cache.add_str_to_cache(chs);
        date_cache.add_str_to_cache(digits);
        date_cache.add_str_to_cache(spacings);
        let ch_width = date_cache.auto_widest(chs)?;
        let digit_width = date_cache.auto_widest(digits)?;
        let spacing_width = date_cache.auto_widest(spacings)?;
        Ok(Box::new(Date {
            cur_time: time,
            date_cache,
            size,
-            ch_width,
+            dirty: true,
-            digit_width,
+            geometry: Default::default(),
-            spacing_width,
+        }
        }))
    }
 }
-impl<'a> Widget for Date<'a> {
+impl<'a> Widget for Date {
-    fn wait(&mut self, _: &mut WaitContext) {}
+    fn get_dirty(&self) -> bool {
-    fn enter(&mut self) {}
+        self.dirty
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        (
            (3 * self.ch_width + 8 * self.digit_width + 4 * self.spacing_width) as u32,
            self.size.ceil() as u32,
        )
    }
-    fn draw(
+    fn geometry(&self) -> Geometry {
-        &mut self,
+        self.geometry
        ctx: &mut DrawContext,
        pos: (u32, u32),
        _expansion: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        if !(ctx.time.date() != self.cur_time.date() || ctx.force) {
            return Ok(DrawReport::empty(width, height));
    }
-        self.cur_time = ctx.time;
+    fn event(&mut self, event: &Event) {
        match event {
            Event::NewMinute => {
                self.dirty = true;
            }
            _ => (),
        }
    }
-        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
+    fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry {
-        buf.memset(ctx.bg);
+        let time = Local::now().naive_local();
-        self.date_cache.draw_text(
+        let fg = Color::WHITE;
-            buf,
+        let font = fonts.get_font(self.font, self.size);
-            ctx.bg,
+        font.draw_text(
-            &Color::new(1.0, 1.0, 1.0, 1.0),
+            view,
            fg,
            &format!(
-                "{:?}, {:02}/{:02}/{:4}",
+                "{}, {:02}/{:02}/{:4}",
-                ctx.time.weekday(),
+                time.weekday(),
-                ctx.time.day(),
+                time.day(),
-                ctx.time.month(),
+                time.month(),
-                ctx.time.year()
+                time.year()
            ),
-        )?;
+        )
-
+        .unwrap();
-        Ok(DrawReport {
+        self.dirty = false;
-            width,
+        self.geometry
            height,
            damage: vec![(pos.0 as i32, pos.1 as i32, width as i32, height as i32)],
            full_damage: false,
        })
    }
-    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
+    fn geometry_update(&mut self, fonts: &mut FontMap, geometry: &Geometry) -> Geometry {
-    fn mouse_click(&mut self, _: u32, _: (u32, u32)) {}
+        let width = (3. + 2. + 2. + 2. + 4.) * self.size / 2.;
-    fn mouse_scroll(&mut self, _: (f64, f64), _: (u32, u32)) {}
+        let font = fonts.get_font(self.font, self.size);
        self.geometry = Geometry {
            x: geometry.x,
            y: geometry.y,
            width: width.ceil() as u32,
            height: font.height().ceil() as u32,
        };
        self.geometry
    }
    fn minimum_size(&mut self, fonts: &mut FontMap) -> Geometry {
        let width = (3. + 2. + 2. + 2. + 4.) * self.size / 2.;
        let font = fonts.get_font(self.font, self.size);
        Geometry {
            x: 0,
            y: 0,
            width: width.ceil() as u32,
            height: font.height().ceil() as u32,
        }
    }
 }
@@ -0,0 +1,283 @@
 use std::cmp::max;
 use crate::{fonts::FontMap, state::State, widgets::Geometry};
 pub trait Layout {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry;
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry;
 }
 pub struct HorizontalLayout {
    pub widgets: Vec<Box<dyn Layout>>,
 }
 impl HorizontalLayout {
    pub fn new(widgets: Vec<Box<dyn Layout>>) -> Box<dyn Layout> {
        Box::new(HorizontalLayout { widgets })
    }
 }
 impl Layout for HorizontalLayout {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry {
        let mut geo = geometry.clone();
        let mut max_width = 0;
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let result = w.geometry_update(fonts, &geo, state);
            geo.x = result.x + result.width;
            geo.width -= result.width;
            max_width += result.width;
            max_height = max(result.height, max_height);
        }
        geo.width = max_width;
        geo.height = max_height;
        geo
    }
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
        let mut max_width = 0;
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let result = w.minimum_size(fonts, state);
            max_width += result.x + result.width;
            max_height = max(result.y + result.height, max_height);
        }
        Geometry {
            width: max_width,
            height: max_height,
            x: 0,
            y: 0,
        }
    }
 }
 pub struct VerticalLayout {
    pub widgets: Vec<Box<dyn Layout>>,
 }
 impl VerticalLayout {
    pub fn new(widgets: Vec<Box<dyn Layout>>) -> Box<dyn Layout> {
        Box::new(VerticalLayout { widgets })
    }
 }
 impl Layout for VerticalLayout {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry {
        let mut geo = geometry.clone();
        let mut max_width = 0;
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let result = w.geometry_update(fonts, &geo, state);
            geo.y = result.y + result.height;
            geo.height -= result.height;
            max_width = max(result.width, max_width);
            max_height += result.height;
        }
        geo.width = max_width;
        geo.height = max_height;
        geo
    }
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
        let mut max_width = 0;
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let result = w.minimum_size(fonts, state);
            max_width = max(result.x + result.width, max_width);
            max_height += result.y + result.height;
        }
        Geometry {
            width: max_width,
            height: max_height,
            x: 0,
            y: 0,
        }
    }
 }
 pub trait WidgetUpdater {
    fn geometry_update(&mut self, idx: usize, fonts: &mut FontMap, geometry: &Geometry)
        -> Geometry;
    fn minimum_size(&mut self, idx: usize, fonts: &mut FontMap) -> Geometry;
 }
 pub struct IndexedLayout {
    pub widget_idx: usize,
 }
 impl IndexedLayout {
    pub fn new(widget_idx: usize) -> Box<dyn Layout> {
        Box::new(IndexedLayout { widget_idx })
    }
 }
 impl Layout for IndexedLayout {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry {
        state.geometry_update(self.widget_idx, fonts, geometry)
    }
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
        state.minimum_size(self.widget_idx, fonts)
    }
 }
 pub struct InvertedHorizontalLayout {
    pub widgets: Vec<Box<dyn Layout>>,
 }
 impl InvertedHorizontalLayout {
    pub fn new(widgets: Vec<Box<dyn Layout>>) -> Box<dyn Layout> {
        Box::new(InvertedHorizontalLayout { widgets })
    }
 }
 impl Layout for InvertedHorizontalLayout {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry {
        let mut geo = geometry.clone();
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let mut temp_geo = geo.clone();
            let temp_result = w.geometry_update(fonts, &temp_geo, state);
            temp_geo.x = geo.x + (geo.width - temp_result.width);
            let result = w.geometry_update(fonts, &temp_geo, state);
            geo.width -= result.width;
            max_height = max(result.height, max_height);
        }
        geo.height = max_height;
        geo
    }
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
        let mut max_width = 0;
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let result = w.minimum_size(fonts, state);
            max_width += result.x + result.width;
            max_height = max(result.y + result.height, max_height);
        }
        Geometry {
            width: max_width,
            height: max_height,
            x: 0,
            y: 0,
        }
    }
 }
 pub struct InvertedVerticalLayout {
    pub widgets: Vec<Box<dyn Layout>>,
 }
 impl InvertedVerticalLayout {
    pub fn new(widgets: Vec<Box<dyn Layout>>) -> Box<dyn Layout> {
        Box::new(InvertedVerticalLayout { widgets })
    }
 }
 impl Layout for InvertedVerticalLayout {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry {
        let mut geo = geometry.clone();
        let mut max_width = 0;
        for w in self.widgets.iter() {
            let mut temp_geo = geo.clone();
            let temp_result = w.geometry_update(fonts, &temp_geo, state);
            temp_geo.y = geo.y + (geo.height - temp_result.height);
            let result = w.geometry_update(fonts, &temp_geo, state);
            geo.height -= result.height;
            max_width = max(result.width, max_width);
        }
        geo.width = max_width;
        geo
    }
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
        let mut max_width = 0;
        let mut max_height = 0;
        for w in self.widgets.iter() {
            let result = w.minimum_size(fonts, state);
            max_width = max(result.x + result.width, max_width);
            max_height += result.y + result.height;
        }
        Geometry {
            width: max_width,
            height: max_height,
            x: 0,
            y: 0,
        }
    }
 }
 pub struct Margin {
    pub widget: Box<dyn Layout>,
    pub margin: (u32, u32, u32, u32),
 }
 impl Margin {
    pub fn new(widget: Box<dyn Layout>, margin: (u32, u32, u32, u32)) -> Box<dyn Layout> {
        Box::new(Margin { widget, margin })
    }
 }
 impl Layout for Margin {
    fn geometry_update(
        &self,
        fonts: &mut FontMap,
        geometry: &Geometry,
        state: &mut State,
    ) -> Geometry {
        let geo = Geometry {
            x: geometry.x + self.margin.0,
            y: geometry.y + self.margin.1,
            width: geometry.width - self.margin.0 - self.margin.2,
            height: geometry.height - self.margin.1 - self.margin.3,
        };
        let out = self.widget.geometry_update(fonts, &geo, state);
        Geometry {
            x: out.x - self.margin.0,
            y: out.y - self.margin.1,
            width: out.width + self.margin.0 + self.margin.2,
            height: out.height + self.margin.1 + self.margin.3,
        }
    }
    fn minimum_size(&self, fonts: &mut FontMap, state: &mut State) -> Geometry {
        let size = self.widget.minimum_size(fonts, state);
        Geometry {
            width: size.x + size.width + self.margin.0 + self.margin.2,
            height: size.y + size.height + self.margin.1 + self.margin.3,
            x: 0,
            y: 0,
        }
    }
 }
@@ -0,0 +1,62 @@
 use std::default::Default;
 use crate::{
    buffer::BufferView,
    color::Color,
    fonts::FontMap,
    widgets::{Geometry, Widget},
 };
 pub struct Line {
    geometry: Geometry,
    thickness: u32,
    vertical: bool,
 }
 impl Line {
    pub fn new(thickness: u32, vertical: bool) -> Line {
        Line {
            geometry: Default::default(),
            thickness,
            vertical,
        }
    }
 }
 impl Widget for Line {
    fn geometry(&self) -> Geometry {
        self.geometry
    }
    fn draw(&mut self, _fonts: &mut FontMap, view: &mut BufferView) -> Geometry {
        view.memset(Color::WHITE);
        self.geometry
    }
    fn geometry_update(&mut self, _fonts: &mut FontMap, geometry: &Geometry) -> Geometry {
        self.geometry = Geometry {
            x: geometry.x,
            y: geometry.y,
            width: if self.vertical {
                self.thickness
            } else {
                geometry.width
            },
            height: if self.vertical {
                geometry.height
            } else {
                self.thickness
            },
        };
        self.geometry
    }
    fn minimum_size(&mut self, _fonts: &mut FontMap) -> Geometry {
        Geometry {
            x: 0,
            y: 0,
            width: if self.vertical { self.thickness } else { 1 },
            height: if self.vertical { 1 } else { self.thickness },
        }
    }
 }
@@ -1,10 +1,27 @@
-pub mod backlight;
+//mod alsaaudio;
-pub mod bar_widget;
+mod backlight;
-pub mod battery;
+mod bar_widget;
-pub mod calendar;
+mod battery;
-pub mod clock;
+mod calendar;
-pub mod date;
+mod clock;
-pub mod launcher;
+mod date;
 mod launcher;
 mod layout;
 mod line;
 mod pulseaudio;
 mod widget;
-#[cfg(any(feature = "alsa-widget", feature = "pulseaudio-widget"))]
+//pub use alsaaudio::AlsaAudio;
-pub mod audio;
+pub use backlight::Backlight;
 pub use battery::Battery;
 pub use calendar::Calendar;
 pub use clock::Clock;
 pub use date::Date;
 pub use launcher::Interface;
 pub use layout::{
    HorizontalLayout, IndexedLayout, InvertedHorizontalLayout, InvertedVerticalLayout, Layout,
    Margin, VerticalLayout, WidgetUpdater,
 };
 pub use line::Line;
 pub use pulseaudio::PulseAudio;
 pub use widget::{Geometry, Widget};
@@ -0,0 +1,243 @@
 use std::{
    cell::RefCell,
    error::Error,
    os::fd::RawFd,
    rc::Rc,
    sync::{Arc, Mutex},
    thread,
 };
 use nix::unistd::{pipe, read, write};
 use crate::{
    color::Color,
    event::{Event, Events, PointerButton},
    fonts::FontMap,
    widgets::bar_widget::{BarWidget, BarWidgetImpl},
 };
 use libpulse_binding::volume::ChannelVolumes;
 fn monitor(
    events: Arc<Mutex<Events>>,
    inner: Arc<Mutex<InnerAudio>>,
    pipe: RawFd,
 ) -> Result<(), Box<dyn Error>> {
    use libpulse_binding::{
        callbacks::ListResult,
        context::{
            subscribe::{Facility, InterestMaskSet},
            Context, FlagSet, State,
        },
        mainloop::{
            self, api::Mainloop, events::io::FlagSet as IoFlagSet, standard::IterateResult,
        },
        proplist::{properties, Proplist},
        volume::Volume,
    };
    let mut proplist = Proplist::new().unwrap();
    proplist
        .set_str(properties::APPLICATION_NAME, "wldash")
        .unwrap();
    let mut mainloop = mainloop::standard::Mainloop::new().unwrap();
    let context = Rc::new(RefCell::new(
        Context::new_with_proplist(&mainloop, "wldash_context", &proplist).unwrap(),
    ));
    context.borrow_mut().connect(None, FlagSet::NOFLAGS, None)?;
    loop {
        mainloop.iterate(false);
        match context.borrow().get_state() {
            State::Ready => break,
            State::Failed | State::Terminated => panic!("damn"),
            _ => (),
        }
    }
    let local_context = context.clone();
    let local_inner = inner.clone();
    let local_events = events.clone();
    context.borrow_mut().set_subscribe_callback(Some(Box::new(
        move |facility, _operation, index| match facility {
            Some(Facility::Sink) => {
                let introspector = local_context.borrow_mut().introspect();
                let inner = local_inner.clone();
                let events = local_events.clone();
                introspector.get_sink_info_by_index(index, move |res| match res {
                    ListResult::End | ListResult::Error => (),
                    ListResult::Item(sink_info) => {
                        if let Some(_) = &sink_info.name {
                            let avg = sink_info.volume.avg().0 as f32 / Volume::NORMAL.0 as f32;
                            let mut inner = inner.lock().unwrap();
                            inner.volume = avg;
                            inner.mute = sink_info.mute;
                            inner.dirty = true;
                            drop(inner);
                            let mut events = events.lock().unwrap();
                            events.add_event(Event::AudioUpdate);
                        }
                    }
                });
            }
            _ => (),
        },
    )));
    context
        .borrow_mut()
        .subscribe(InterestMaskSet::SINK, |_| {});
    let introspector = context.borrow_mut().introspect();
    let local_inner = inner.clone();
    introspector.get_sink_info_by_name("@DEFAULT_SINK@", move |res| match res {
        ListResult::End | ListResult::Error => (),
        ListResult::Item(sink_info) => {
            if let Some(_) = &sink_info.name {
                let avg = sink_info.volume.avg().0 as f32 / Volume::NORMAL.0 as f32;
                let mut inner = local_inner.lock().unwrap();
                inner.volume = avg;
                inner.channel_volume = Some(sink_info.volume);
                inner.mute = sink_info.mute;
                inner.dirty = true;
                drop(inner);
                let mut events = events.lock().unwrap();
                events.add_event(Event::AudioUpdate);
            }
        }
    });
    drop(introspector);
    let local_context = context.clone();
    let local_inner = inner.clone();
    let event_source = mainloop.new_io_event(
        pipe as i32,
        IoFlagSet::INPUT,
        Box::new(move |_, _, _| {
            let mut buf = [0; 8];
            _ = read(pipe, &mut buf);
            let mut inner = local_inner.lock().unwrap();
            let mut introspector = local_context.borrow_mut().introspect();
            match inner.last_click.take() {
                Some(Change::Volume(volume)) => {
                    // do something
                    let mut vol = inner.channel_volume.unwrap();
                    vol.scale(Volume((volume * Volume::NORMAL.0 as f32).round() as u32));
                    introspector.set_sink_volume_by_name("@DEFAULT_SINK@", &vol, None);
                }
                Some(Change::VolumeInc(value)) => {
                    let mut vol = inner.channel_volume.unwrap();
                    // apply step to volumes
                    let step = (value * Volume::NORMAL.0 as f32).round() as i32;
                    if step > 0 {
                        vol.inc_clamp(Volume(step as u32), Volume::NORMAL);
                    } else {
                        vol.decrease(Volume(-step as u32));
                    }
                    // HACK: It would be better to only update the volume from feedback, but axis
                    // events fire fast and require the last set volume immediately for reference.
                    inner.channel_volume = Some(vol);
                    introspector.set_sink_volume_by_name("@DEFAULT_SINK@", &vol, None);
                }
                Some(Change::ToggleMute) => {
                    introspector.set_sink_mute_by_name("@DEFAULT_SINK@", !inner.mute, None);
                }
                None => (),
            }
        }),
    );
    loop {
        match mainloop.iterate(true) {
            IterateResult::Quit(_) | IterateResult::Err(_) => break,
            _ => (),
        }
    }
    // Need to keep the event source alive
    _ = event_source;
    Ok(())
 }
 fn start_monitor(events: Arc<Mutex<Events>>, inner: Arc<Mutex<InnerAudio>>, pipe: RawFd) {
    thread::Builder::new()
        .name("audiomon".to_string())
        .spawn(move || monitor(events, inner, pipe).unwrap())
        .unwrap();
 }
 enum Change {
    Volume(f32),
    VolumeInc(f32),
    ToggleMute,
 }
 struct InnerAudio {
    volume: f32,
    channel_volume: Option<ChannelVolumes>,
    mute: bool,
    dirty: bool,
    last_click: Option<Change>,
    pipe: RawFd,
 }
 pub struct PulseAudio {
    inner: Arc<Mutex<InnerAudio>>,
 }
 impl PulseAudio {
    pub fn new(
        events: Arc<Mutex<Events>>,
        fm: &mut FontMap,
        font: &'static str,
        size: f32,
    ) -> BarWidget {
        let (a, b) = pipe().unwrap();
        let audio = PulseAudio {
            inner: Arc::new(Mutex::new(InnerAudio {
                volume: 0.0,
                channel_volume: None,
                mute: false,
                dirty: false,
                last_click: None,
                pipe: b,
            })),
        };
        start_monitor(events, audio.inner.clone(), a);
        BarWidget::new(Box::new(audio), fm, font, size)
    }
 }
 impl BarWidgetImpl for PulseAudio {
    fn get_dirty(&self) -> bool {
        self.inner.lock().unwrap().dirty
    }
    fn name(&self) -> &'static str {
        "volume"
    }
    fn value(&mut self) -> f32 {
        let mut inner = self.inner.lock().unwrap();
        inner.dirty = false;
        inner.volume
    }
    fn color(&self) -> Color {
        match self.inner.lock().unwrap().mute {
            true => Color::YELLOW,
            false => Color::WHITE,
        }
    }
    fn click(&mut self, pos: f32, btn: PointerButton) {
        let mut inner = self.inner.lock().unwrap();
        inner.last_click = match btn {
            PointerButton::Left => Some(Change::Volume(pos)),
            PointerButton::Right => Some(Change::ToggleMute),
            PointerButton::ScrollVertical(val) => Some(Change::VolumeInc((val / 512.) as f32)),
            PointerButton::ScrollHorizontal(val) => Some(Change::VolumeInc((val / 100.) as f32)),
            _ => None,
        };
        _ = write(inner.pipe, &[0]);
    }
 }
@@ -0,0 +1,66 @@
 use std::{
    cmp::{max, min},
    fmt,
 };
 use crate::{buffer::BufferView, event::Event, fonts::FontMap};
 #[derive(Debug, Default, Clone, Copy)]
 pub struct Geometry {
    pub x: u32,
    pub y: u32,
    pub width: u32,
    pub height: u32,
 }
 impl fmt::Display for Geometry {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(
            f,
            "(x: {}, y: {}, width: {}, height: {})",
            self.x, self.y, self.width, self.height
        )
    }
 }
 impl Geometry {
    pub fn new() -> Geometry {
        Geometry {
            x: 0,
            y: 0,
            width: 0,
            height: 0,
        }
    }
    pub fn expand(&self, other: Geometry) -> Geometry {
        let x = min(self.x, other.x);
        let y = min(self.y, other.y);
        Geometry {
            x,
            y,
            width: max(self.width + self.x, other.width + other.x) - x,
            height: max(self.height + self.y, other.height + other.height) - y,
        }
    }
    pub fn contains(&self, position: (u32, u32)) -> bool {
        position.0 >= self.x
            && position.0 < self.x + self.width
            && position.1 >= self.y
            && position.1 < self.y + self.height
    }
 }
 pub trait Widget {
    fn get_dirty(&self) -> bool {
        false
    }
    fn geometry(&self) -> Geometry;
    fn geometry_update(&mut self, fonts: &mut FontMap, geometry: &Geometry) -> Geometry;
    fn minimum_size(&mut self, _fonts: &mut FontMap) -> Geometry {
        Default::default()
    }
    fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry;
    fn event(&mut self, _event: &Event) {}
 }
Author	SHA1	Message	Date
Kenny Levinsen	c4dc0c1ce0	desktop: Unescape backslashes The desktop spec applies escaping to string values. Perform a primitive unescape.	2025-04-08 11:53:05 +02:00
Kenny Levinsen	d80a64444f	cargo: Update lock	2025-04-08 11:51:15 +02:00
Kenny Levinsen	456d61de01	cargo: Set binary name back to wldash During v2 development, the name was temporarily set to wldash2. Set it back to wldash so that things work.	2025-03-20 16:57:58 +01:00
Kenny Levinsen	ab2655556f	readme: Make note of rewrite	2025-02-27 17:42:09 +01:00
Kenny Levinsen	f0331e65b1	cargo: Bump to 2024 edition	2025-02-27 17:41:08 +01:00
Kenny Levinsen	25c7322c4b	cargo: Bump version to 0.2	2025-02-27 17:40:56 +01:00
Kenny Levinsen	7af5c34856	readme: Update for v2	2025-02-27 17:39:49 +01:00
Kenny Levinsen	e8def40fae	cargo: Make fontconfig a default feature	2025-02-27 17:39:40 +01:00
Kenny Levinsen	34591f2677	ci: Add libxkbcommon	2025-02-27 16:53:24 +01:00
Kenny Levinsen	91c26b9d54	Merge new implementation This implementation is a rewrite of wldash, implemented from scratch. This also means that it is an unrelated history, hence the history now having two initial commits.	2025-02-27 16:41:33 +01:00
Kenny Levinsen	a8cd777ca9	Clean up command-line arguments, usage text	2025-02-27 16:38:52 +01:00
Kenny Levinsen	83179d2c7e	state: Increase xdg_toplevel default dimensions The previous values are too small for the default toplevel layout.	2025-02-27 16:38:52 +01:00
Kenny Levinsen	7e112ddd1f	keyboard: Update to xkbcommon 0.8	2025-02-27 16:38:52 +01:00
Kenny Levinsen	9fd054fc2c	Fix damage issue when multiple buffers are in use wldash was originally written to expect server-side shm buffer optimizations, which make it so only a single buffer has to be in use. This simplifies damage tracking and repaint needs. Support for using multiple buffers was added to support e.g., jay, but the damage handling was not in place for this to work. Fix that by tracking damage per buffer.	2025-02-27 16:38:52 +01:00
Kenny Levinsen	40aec97f79	Cargo format	2025-02-27 14:48:41 +01:00
Kenny Levinsen	9031361dd1	Cargo update	2025-02-27 14:48:41 +01:00
Kenny Levinsen	f337ce6e95	layer-shell: Change to overlay	2025-01-12 23:08:24 +01:00
Kenny Levinsen	bc9ba0045c	launcher: Support launch_cmd config	2025-01-12 22:51:45 +01:00
Kenny Levinsen	2b3048faca	Rework the initial wayland init a bit	2025-01-12 22:50:00 +01:00
Kenny Levinsen	f09abf1d53	backlight: Auto-detect type	2025-01-12 22:47:16 +01:00
Kenny Levinsen	5776886884	keyboard: Fix repeat deadline handling The calloop timer is only responsible for ensuring wakeup at the right time, but we can also be woken up before time so we need to check the deadline. At the same time, We may end up being significantly delayed past the deadline if something else was slow. If we are too far behind, reset the base of the repeat timer by just offsetting from the current time.	2024-01-30 00:56:12 +01:00
Kenny Levinsen	7ee58d8d68	server: Make optional	2023-11-10 15:22:37 +01:00
Kenny Levinsen	c169843bcb	Add basic server operation	2023-11-10 15:10:10 +01:00
Kenny Levinsen	1d1f7d3a8e	draw: Fix a bug I forgot the details of	2023-11-10 14:01:14 +01:00
Kenny Levinsen	a882e26e2b	widgets/backlight: Set support	2023-11-10 14:00:48 +01:00
Kenny Levinsen	84c241a90e	keyboard: Use xkb_common::keysyms	2023-11-10 14:00:06 +01:00
Kenny Levinsen	921938cc0d	Resolve keyboard after first draw	2023-11-10 13:59:09 +01:00
Kenny Levinsen	8835708b31	Make background configurable	2023-11-10 13:58:56 +01:00
Kenny Levinsen	c01c810c10	Configurable config file	2023-09-28 23:40:20 +02:00
Kenny Levinsen	b451a2de31	Fix keyboard resolve on sway	2023-08-22 14:39:20 +02:00
Kenny Levinsen	ebeb21f3c2	Fix fontmap resolution on sway	2023-08-22 14:38:36 +02:00
Kenny Levinsen	558d528f70	Fix xdg_toplevel background	2023-05-20 17:34:52 +02:00
Kenny Levinsen	6351cc242d	launcher: Use XDG_ACTIVATION_TOKEN for shell cmds	2023-04-04 01:53:29 +02:00
Kenny Levinsen	66e66e19ad	launcher: Cache desktop files	2023-04-04 01:53:02 +02:00
Kenny Levinsen	3a77696569	calendar: Missed preload of 'N'	2023-03-01 11:48:25 +01:00
Kenny Levinsen	a975da5074	config: Apply margins to default	2023-02-14 23:52:54 +01:00
Kenny Levinsen	9d1f310f12	cargo fmt	2023-02-14 10:23:20 +01:00
Kenny Levinsen	54e4ba16dd	Add InvertedVerticalLayout	2023-02-14 10:23:12 +01:00
Kenny Levinsen	764a1e3444	config: Remove default configuration	2023-02-14 00:30:46 +01:00
Kenny Levinsen	6fac465c3a	calendar: Highlight current week	2023-02-14 00:28:40 +01:00
Kenny Levinsen	5097faab66	launcher: Save prompt on exit	2023-02-14 00:28:40 +01:00
Kenny Levinsen	8202963a6f	Add vertical line	2023-02-14 00:28:40 +01:00
Kenny Levinsen	b09f642fd6	Avoid panic on very long prompt lines	2023-02-14 00:28:40 +01:00
Kenny Levinsen	59e2f658db	keyboard: Rename realize to resolve	2023-02-13 19:43:15 +01:00
Kenny Levinsen	022f6a719a	cargo fmt	2023-02-13 18:49:44 +01:00
Kenny Levinsen	8826cab89d	keyboard: Add keyrepeat handling	2023-02-13 17:39:54 +01:00
Kenny Levinsen	9e48eb053d	config: Generate configs	2023-02-12 17:02:44 +01:00
Kenny Levinsen	db085168dc	config: Add config support	2023-02-11 18:24:34 +01:00
Kenny Levinsen	353ed1f189	launcher: Shrink margin	2023-02-08 22:57:06 +01:00
Kenny Levinsen	45e5a750f9	calendar: Fix hiding when shrunk	2023-02-08 22:56:52 +01:00
Kenny Levinsen	6e90b1f0e8	More better	2023-02-08 22:53:41 +01:00
Kenny Levinsen	3c69a31030	calc: Store history	2023-02-07 00:36:06 +01:00
Kenny Levinsen	b9f4e74062	calc: Improve history	2023-02-06 18:57:34 +01:00
Kenny Levinsen	6f0ca36826	Moar speed	2023-02-06 18:34:07 +01:00
Kenny Levinsen	69959e86dc	Fix memset hack	2023-02-04 16:52:32 +01:00
Kenny Levinsen	74591902e9	Support toggle between V1 and V2 UIs	2023-02-04 16:52:18 +01:00
Kenny Levinsen	3a2badbfd9	wlr-layer-shell support	2023-02-04 14:42:29 +01:00
Kenny Levinsen	b49b9e9764	More stuff	2023-02-02 23:52:59 +01:00
Kenny Levinsen	7593cd48a4	Add calendar, refactor more	2023-01-16 00:25:34 +01:00
Kenny Levinsen	3a40bb18c5	Refactor slightly	2023-01-13 21:53:07 +01:00
Kenny Levinsen	b2a9475e4c	cargo fmt	2023-01-12 00:13:27 +01:00
Kenny Levinsen	be6ee9899c	cargo update	2023-01-12 00:13:15 +01:00
Kenny Levinsen	d3002d2180	Exit when no longer activated	2023-01-12 00:13:08 +01:00
Kenny Levinsen	25644c2b15	backlight: Add	2023-01-11 23:54:52 +01:00
Kenny Levinsen	dd790468ad	battery: Minor cleanup	2023-01-11 23:54:39 +01:00
Kenny Levinsen	0a4544a608	launcher: Add ctrl k/u handling	2023-01-11 23:54:14 +01:00
Kenny Levinsen	8e80c0a69c	Initial commit	2023-01-11 00:28:54 +01:00
Kenny Levinsen	70e53c1246	cargo: Update dependencies	2022-12-04 13:58:14 +01:00
Kenny Levinsen	b2ae30bab4	Update fontconfig	2022-05-02 11:21:47 +02:00
Kenny Levinsen	2538e41f00	Update Cargo.lock	2022-01-16 23:16:30 +01:00