config: Generate configs

Cargo.toml

@@ -8,10 +8,6 @@ edition = "2021"
 lto = "fat"
 panic = "abort"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-[features]
-fontloading = ["fontconfig"]
-
 [dependencies]
 wayland-client = { version = "0.30", features = ["calloop", "log"] }
 wayland-protocols = { version = "0.30", features = ["client", "unstable", "staging"] }

src/config.rs

@@ -6,7 +6,7 @@ use std::sync::{Arc, Mutex};
 
 use crate::{
     event::Events,
-    fonts::FontMap,
+    fonts::{FontMap, find_font},
     widgets::{
         Backlight, Battery, Calendar, Clock, Date, HorizontalLayout, IndexedLayout, Interface,
         InvertedHorizontalLayout, Layout, Line, Margin, PulseAudio, VerticalLayout, Widget as RealWidget,
@@ -14,7 +14,14 @@ use crate::{
 };
 
 #[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),
@@ -58,38 +65,47 @@ pub enum Widget {
     },
 }
 
+impl Default for OperationMode {
+    fn default() -> OperationMode {
+        OperationMode::LayerSurface((1024, 768))
+    }
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(rename_all = "camelCase")]
+#[serde(rename_all = "snake_case")]
 pub struct Config {
     pub font_paths: Option<HashMap<String, String>>,
-    pub widget: Option<Widget>,
+    pub widget: Widget,
+    pub mode: OperationMode,
 }
 
 impl Default for Config {
     fn default() -> Config {
         Config{
             font_paths: None,
-            widget: None,
+            widget: Default::default(),
+            mode: Default::default(),
         }
     }
 }
 
-fn leak_or_default(v: Option<String>, d: &'static str) -> &'static str {
+impl Config {
-    match v {
+    pub fn generate_v1() -> Config {
-        Some(v) => Box::leak(v.into_boxed_str()),
+        let has_battery = Battery::detect();
-        None => d,
+        let has_backlight = Backlight::detect("intel_backlight");
-    }
+        let sans = find_font("sans");
-}
+        let monospace = find_font("monospace");
 
-impl Default for Widget {
+        let mut bars = Vec::new();
-    fn default() -> Widget {
+        if has_battery {
-        Self::v2()
+            bars.push(Widget::Margin{ margins: (0, 0, 0, 8), widget: Box::new(Widget::Battery { font: None, font_size: 24. })});
         }
-}
+        if has_backlight {
+            bars.push(Widget::Margin{ margins: (0, 0, 0, 8), widget: Box::new(Widget::Backlight { device: Some("intel_backlight".to_string()), font: None, font_size: 24. })});
+        }
+        bars.push(Widget::Margin{ margins: (0, 0, 0, 8), widget: Box::new(Widget::PulseAudio { font: None, font_size: 24. })});
 
-impl Widget {
+        let widget = Widget::Margin {
-    pub fn v1() -> Widget {
-        Widget::Margin {
             margins: (20, 20, 20, 20),
             widget: Box::new(Widget::VerticalLayout(vec![
                 Widget::HorizontalLayout(vec![
@@ -105,30 +121,7 @@ impl Widget {
                     ]),
                     Widget::Margin {
                         margins: (88, 0, 0, 0),
-                        widget: Box::new(Widget::VerticalLayout(vec![
+                        widget: Box::new(Widget::VerticalLayout(bars)),
-                            Widget::Margin {
-                                margins: (0, 0, 0, 8),
-                                widget: Box::new(Widget::Battery {
-                                    font: None,
-                                    font_size: 24.,
-                                }),
-                            },
-                            Widget::Margin {
-                                margins: (0, 0, 0, 8),
-                                widget: Box::new(Widget::Backlight {
-                                    device: None,
-                                    font: None,
-                                    font_size: 24.,
-                                }),
-                            },
-                            Widget::Margin {
-                                margins: (0, 0, 0, 8),
-                                widget: Box::new(Widget::PulseAudio {
-                                    font: None,
-                                    font_size: 24.,
-                                }),
-                            },
-                        ])),
                     },
                 ]),
                 Widget::Calendar {
@@ -143,10 +136,88 @@ impl Widget {
                     font_size: 32.,
                 },
             ])),
+        };
+
+        let map = HashMap::from([
+            ("sans".to_string(), sans),
+            ("monospace".to_string(), monospace),
+        ]);
+
+        Config{
+            font_paths: Some(map),
+            widget: widget,
+            mode: OperationMode::LayerSurface((1024, 768)),
         }
     }
 
-    pub fn v2() -> Widget {
+    pub fn generate_v2(clay: bool) -> Config {
+        let has_battery = Battery::detect();
+        let has_backlight = Backlight::detect("intel_backlight");
+        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: Some("intel_backlight".to_string()), 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::Clock {
+                    font: None,
+                    font_size: 128.,
+                },
+                Widget::Margin {
+                    margins: (16, 16, 0, 0),
+                    widget: Box::new(Widget::Date {
+                        font: None,
+                        font_size: 48.,
+                    }),
+                },
+                Widget::VerticalLayout(bars),
+            ]),
+            Widget::Line(1),
+            Widget::InvertedHorizontalLayout(vec![
+                Widget::Calendar {
+                    font_primary: None,
+                    font_secondary: None,
+                    font_size: 24.,
+                    sections_x: 1,
+                    sections_y: -1,
+                },
+                Widget::Launcher {
+                    font: None,
+                    font_size: 32.,
+                },
+            ]),
+        ]);
+
+        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, 768)) },
+        }
+    }
+}
+
+fn leak_or_default(v: Option<String>, d: &'static str) -> &'static str {
+    match v {
+        Some(v) => Box::leak(v.into_boxed_str()),
+        None => d,
+    }
+}
+
+impl Default for Widget {
+    fn default() -> Widget {
         Widget::VerticalLayout(vec![
             Widget::HorizontalLayout(vec![
                 Widget::Clock {
@@ -201,7 +272,9 @@ impl Widget {
             ]),
         ])
     }
+}
 
+impl Widget {
     pub fn construct_widgets(
         self,
         v: &mut Vec<Box<dyn RealWidget>>,

src/fonts.rs

@@ -9,12 +9,9 @@ use std::{
 /// FontRef is used to store Fonts on widgets.
 pub type FontRef<'a> = &'a rusttype::Font<'a>;
 
-#[cfg(feature = "fontloading")]
+#[cfg(feature = "fontconfig")]
-mod fc {
+pub(crate) fn find_font(name: &str) -> String {
     use fontconfig::Fontconfig as FontConfig;
-    /// 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) -> String {
     let fc = FontConfig::new().unwrap();
     fc.find(name, None)
         .unwrap()
@@ -22,14 +19,11 @@ mod fc {
         .to_str()
         .unwrap()
         .to_string()
-    }
 }
 
-#[cfg(not(feature = "fontloading"))]
+#[cfg(not(feature = "fontconfig"))]
-mod fc {
+pub(crate) fn find_font(_name: &str) -> String {
-    pub(crate) fn from_string(_name: &str) -> String {
+    panic!("fontconfig not enabled so font search not available");
-        panic!("fontloading feature not enabled");
-    }
 }
 
 /// FontLoader is a marker struct that is used to load files
@@ -110,7 +104,7 @@ impl FontMap {
             let path = match self.font_paths.get(font_name) {
                 Some(res) => res,
                 _ => {
-                    let s = fc::from_string(font_name);
+                    let s = find_font(font_name);
                     self.font_paths.insert(font_name, s);
                     self.font_paths.get(font_name).unwrap()
                 }

src/main.rs

@@ -20,39 +20,36 @@ use calloop::{
 use chrono::{Duration, Local, Timelike};
 
 use buffer::BufferView;
-use config::{Config, Widget as ConfigWidget};
+use config::Config;
 use event::{Event, Events};
 use fonts::{FontMap, MaybeFontMap};
-use state::{OperationMode, State};
+use state::State;
 use widgets::{Geometry, Widget};
 
 use std::{env, rc::Rc, thread};
 
-enum UIVersion {
-    V1,
-    V2,
-}
-
 fn main() {
     let mut args = env::args();
     // Skip program name
     _ = args.next();
 
-    let mut version = UIVersion::V2;
-    let mut mode = OperationMode::XdgToplevel;
     loop {
         match args.next() {
-            Some(ref s) if s == "layer_shell" => {
+            Some(ref s) if s == "generate" => {
-                let width = args.next().map(|x| x.parse::<u32>().ok()).flatten();
+                let config = match args.next() {
-                let height = args.next().map(|x| x.parse::<u32>().ok()).flatten();
+                    Some(ref s) if s == "v1" => Config::generate_v1(),
-                match (width, height) {
+                    Some(ref s) if s == "v2" => Config::generate_v2(false),
-                    (Some(w), Some(h)) => mode = OperationMode::LayerSurface((w, h)),
+                    Some(ref s) if s == "clay" => Config::generate_v2(true),
-                    _ => panic!("invalid arguments"),
+                    None => Config::generate_v2(false),
+                    Some(s) => panic!("unknown argument: {}", s),
+                };
+                let home = env::var_os("HOME").unwrap().into_string().unwrap();
+                match File::create(format!("{}/.config/wldash/config.yml", home)) {
+                    Ok(f) => serde_yaml::to_writer(f, &config).unwrap(),
+                    Err(_) => panic!("uh"),
                 }
-            }
+                std::process::exit(0);
-            Some(ref s) if s == "xdg_shell" => mode = OperationMode::XdgToplevel,
+            },
-            Some(ref s) if s == "v1" => version = UIVersion::V1,
-            Some(ref s) if s == "v2" => version = UIVersion::V2,
             Some(_) => panic!("unknown argument"),
             None => break,
         }
@@ -122,24 +119,15 @@ fn main() {
         Err(_) => Default::default(),
     };
 
-    let widget = match config.widget {
-        Some(w) => w,
-        None => match version {
-            UIVersion::V1 => ConfigWidget::v1(),
-            UIVersion::V2 => ConfigWidget::v2(),
-        },
-    };
-
     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);
         }
     }
 
-    let layout = Rc::new(widget.construct_layout(&mut 0));
+    let layout = Rc::new(config.widget.construct_layout(&mut 0));
     let mut widgets: Vec<Box<dyn Widget>> = Vec::new();
-    widget.construct_widgets(&mut widgets, &mut fm, &events);
+    config.widget.construct_widgets(&mut widgets, &mut fm, &events);
-
 
     let font_thread = thread::Builder::new()
         .name("fontloader".to_string())
@@ -150,7 +138,7 @@ fn main() {
         .unwrap();
 
     let mut state = State::new(
-        mode,
+        config.mode,
         widgets,
         layout,
         MaybeFontMap::Waiting(font_thread),

src/state.rs

@@ -29,6 +29,7 @@ use wayland_protocols::{
 use wayland_protocols_wlr::layer_shell::v1::client::{zwlr_layer_shell_v1, zwlr_layer_surface_v1};
 
 use crate::{
+    config::OperationMode,
     buffer::BufferManager,
     event::{Event, Events, PointerButton, PointerEvent},
     fonts::{FontMap, MaybeFontMap},
@@ -36,12 +37,6 @@ use crate::{
     widgets::{Geometry, Layout, Widget, WidgetUpdater},
 };
 
-#[derive(Debug)]
-pub enum OperationMode {
-    LayerSurface((u32, u32)),
-    XdgToplevel,
-}
-
 #[derive(Default)]
 pub struct MainSurface {
     pub wl_surface: Option<wl_surface::WlSurface>,

src/widgets/backlight.rs

@@ -39,6 +39,14 @@ impl Backlight {
         dev.update();
         BarWidget::new(Box::new(dev), fm, font, size)
     }
+
+    pub fn detect(path: &str) -> bool {
+        let path = Path::new("/sys/class/backlight").to_path_buf().join(path);
+        match read_file_as_u64(path.join("brightness").as_path()) {
+            Ok(_) => true,
+            Err(_) => false,
+        }
+    }
 }
 
 impl BarWidgetImpl for Backlight {

src/widgets/battery.rs

@@ -2,6 +2,7 @@ use std::{
     sync::{Arc, Mutex},
     thread,
     time::Duration,
+    error::Error,
 };
 
 use dbus::blocking::{
@@ -46,6 +47,19 @@ struct InnerBattery {
     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,
+        Duration::from_millis(500),
+    );
+    let state: u32 = proxy
+        .get("org.freedesktop.UPower.Device", "State")?;
+    Ok(UpowerBatteryState::from_dbus(state as u64))
+}
+
 fn start_monitor(inner: Arc<Mutex<InnerBattery>>, events: Arc<Mutex<Events>>) {
     thread::Builder::new()
         .name("battmon".to_string())
@@ -131,6 +145,13 @@ impl Battery {
         start_monitor(battery.inner.clone(), events);
         BarWidget::new(Box::new(battery), fm, font, size)
     }
+
+    pub fn detect() -> bool {
+        match get_battery_state() {
+            Ok(_) => true,
+            Err(_) => false,
+        }
+    }
 }
 
 impl BarWidgetImpl for Battery {