592 lines
19 KiB
Rust
592 lines
19 KiB
Rust
use std::cmp::max;
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use std::collections::VecDeque;
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use std::sync::mpsc::{channel, Sender};
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use std::sync::{Arc, Mutex};
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use chrono::Local;
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use smithay_client_toolkit::keyboard::{keysyms, map_keyboard_auto, Event as KbEvent, KeyState};
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use smithay_client_toolkit::utils::DoubleMemPool;
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use wayland_client::protocol::{wl_compositor, wl_output, wl_pointer, wl_shm, wl_surface};
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use wayland_client::{Display, EventQueue, GlobalEvent, GlobalManager, NewProxy};
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use wayland_protocols::wlr::unstable::layer_shell::v1::client::{
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zwlr_layer_shell_v1, zwlr_layer_surface_v1,
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};
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use crate::buffer::Buffer;
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use crate::color::Color;
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use crate::cmd::Cmd;
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use crate::modules::backlight::Backlight;
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use crate::modules::battery::UpowerBattery;
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use crate::modules::calendar::Calendar;
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use crate::modules::clock::Clock;
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use crate::modules::launcher::Launcher;
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use crate::modules::module::{Input, Module};
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use crate::modules::sound::PulseAudio;
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pub enum OutputMode {
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Active,
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All,
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}
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struct AppInner {
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compositor: Option<wl_compositor::WlCompositor>,
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surfaces: Vec<wl_surface::WlSurface>,
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shell_surfaces: Vec<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1>,
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configured_surfaces: Arc<Mutex<usize>>,
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outputs: Vec<(u32, wl_output::WlOutput)>,
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shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>,
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dimensions: (u32, u32),
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draw_tx: Sender<Cmd>,
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output_mode: OutputMode,
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visible: bool,
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}
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impl AppInner {
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fn new(tx: Sender<Cmd>, output_mode: OutputMode) -> AppInner {
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AppInner {
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compositor: None,
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surfaces: Vec::new(),
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shell_surfaces: Vec::new(),
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configured_surfaces: Arc::new(Mutex::new(0)),
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outputs: Vec::new(),
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shell: None,
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dimensions: (0, 0),
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draw_tx: tx,
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output_mode: output_mode,
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visible: true,
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}
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}
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fn add_shell_surface(
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compositor: &wl_compositor::WlCompositor,
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shell: &zwlr_layer_shell_v1::ZwlrLayerShellV1,
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dimensions: (u32, u32),
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configured_surfaces: Arc<Mutex<usize>>,
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tx: Sender<Cmd>,
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output: Option<&wl_output::WlOutput>,
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) -> (
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wl_surface::WlSurface,
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zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
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) {
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let surface = compositor
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.create_surface(NewProxy::implement_dummy)
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.unwrap();
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let shell_surface = shell
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.get_layer_surface(
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&surface,
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output,
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zwlr_layer_shell_v1::Layer::Overlay,
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"".to_string(),
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move |layer| {
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layer.implement_closure(
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move |evt, layer| match evt {
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zwlr_layer_surface_v1::Event::Configure { serial, .. } => {
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*(configured_surfaces.lock().unwrap()) += 1;
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layer.ack_configure(serial);
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tx.send(Cmd::ForceDraw).unwrap();
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}
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_ => unreachable!(),
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},
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(),
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)
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},
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)
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.unwrap();
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shell_surface.set_keyboard_interactivity(1);
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shell_surface.set_size(dimensions.0, dimensions.1);
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surface.commit();
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(surface, shell_surface)
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}
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fn outputs_changed(&mut self) {
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let shell = match self.shell {
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Some(ref shell) => shell.to_owned(),
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None => return,
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};
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let compositor = match self.compositor {
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Some(ref c) => c.to_owned(),
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None => return,
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};
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for shell_surface in self.shell_surfaces.iter() {
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shell_surface.destroy();
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}
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for surface in self.surfaces.iter() {
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surface.destroy();
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}
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self.configured_surfaces = Arc::new(Mutex::new(0));
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if self.visible {
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match self.output_mode {
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OutputMode::Active => {
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if self.shell_surfaces.len() > 0 {
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return;
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}
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let (surface, shell_surface) = AppInner::add_shell_surface(
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&compositor,
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&shell,
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self.dimensions,
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self.configured_surfaces.clone(),
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self.draw_tx.clone(),
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None,
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);
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self.surfaces = vec![surface];
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self.shell_surfaces = vec![shell_surface];
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}
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OutputMode::All => {
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let mut surfaces = Vec::new();
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let mut shell_surfaces = Vec::new();
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for output in self.outputs.iter() {
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let (surface, shell_surface) = AppInner::add_shell_surface(
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&compositor,
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&shell,
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self.dimensions,
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self.configured_surfaces.clone(),
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self.draw_tx.clone(),
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Some(&output.1),
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);
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surfaces.push(surface);
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shell_surfaces.push(shell_surface);
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}
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self.surfaces = surfaces;
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self.shell_surfaces = shell_surfaces;
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}
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}
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self.draw_tx.send(Cmd::ForceDraw).unwrap();
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} else {
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self.surfaces = Vec::new();
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self.shell_surfaces = Vec::new();
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}
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}
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fn add_output(&mut self, id: u32, output: wl_output::WlOutput) {
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self.outputs.push((id, output));
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self.outputs_changed();
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}
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fn remove_output(&mut self, id: u32) {
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let old_output = self.outputs.iter().find(|(output_id, _)| *output_id == id);
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if let Some(output) = old_output {
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let new_outputs = self
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.outputs
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.iter()
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.filter(|(output_id, _)| *output_id != id)
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.map(|(x, y)| (x.clone(), y.clone()))
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.collect();
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if output.1.as_ref().version() >= 3 {
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output.1.release()
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}
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self.outputs = new_outputs;
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self.outputs_changed();
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}
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}
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fn set_compositor(&mut self, compositor: Option<wl_compositor::WlCompositor>) {
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self.compositor = compositor
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}
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fn set_shell(&mut self, shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>) {
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self.shell = shell
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}
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fn set_dimensions(&mut self, dimensions: (u32, u32)) {
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self.dimensions = dimensions
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}
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}
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pub struct App {
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pools: DoubleMemPool,
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display: Display,
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event_queue: EventQueue,
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cmd_queue: Arc<Mutex<VecDeque<Cmd>>>,
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modules: Vec<Module>,
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inner: Arc<Mutex<AppInner>>,
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}
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impl App {
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pub fn redraw(&mut self, force: bool) -> Result<(), ::std::io::Error> {
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let inner = self.inner.lock().unwrap();
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let time = Local::now();
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if inner.shell_surfaces.len() != *inner.configured_surfaces.lock().unwrap() {
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// Not ready yet
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return Ok(());
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}
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let pool = match self.pools.pool() {
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Some(pool) => pool,
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None => return Ok(()),
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};
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let (buf_x, buf_y) = inner.dimensions;
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let bg = Color::new(0.0, 0.0, 0.0, 0.9);
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// resize the pool if relevant
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pool.resize((4 * buf_x * buf_y) as usize)
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.expect("Failed to resize the memory pool.");
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let mmap = pool.mmap();
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let mut buf = Buffer::new(mmap, inner.dimensions);
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if force {
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buf.memset(&bg);
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}
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let mut damage = vec![];
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{
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let mut margin_buf = buf.subdimensions((20, 20, buf_x - 40, buf_y - 40))?;
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for module in self.modules.iter() {
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if module.update(&time, force)? {
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let mut b = &mut margin_buf.subdimensions(module.get_bounds())?;
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let mut d = module.draw(&mut b, &bg, &time)?;
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damage.append(&mut d);
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}
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}
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}
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mmap.flush().unwrap();
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if damage.len() == 0 {
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// Nothing to do
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return Ok(());
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}
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// get a buffer and attach it
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let new_buffer = pool.buffer(
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0,
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buf_x as i32,
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buf_y as i32,
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4 * buf_x as i32,
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wl_shm::Format::Argb8888,
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);
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for surface in inner.surfaces.iter() {
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surface.attach(Some(&new_buffer), 0, 0);
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if force {
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surface.damage(0, 0, buf_x as i32, buf_y as i32);
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} else {
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for d in damage.iter() {
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surface.damage(d.0, d.1, d.2, d.3);
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}
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}
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surface.commit();
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}
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Ok(())
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}
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pub fn toggle_visible(&mut self) {
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let mut inner = self.inner.lock().unwrap();
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inner.visible = !inner.visible;
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inner.outputs_changed();
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}
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pub fn cmd_queue(&self) -> Arc<Mutex<VecDeque<Cmd>>> {
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self.cmd_queue.clone()
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}
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pub fn flush_display(&mut self) {
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self.display.flush().expect("unable to flush display");
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}
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pub fn event_queue(&mut self) -> &mut EventQueue {
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&mut self.event_queue
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}
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pub fn wipe(&mut self) {
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let inner = self.inner.lock().unwrap();
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let pool = match self.pools.pool() {
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Some(pool) => pool,
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None => return,
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};
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pool.resize((4 * inner.dimensions.0 * inner.dimensions.1) as usize)
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.expect("Failed to resize the memory pool.");
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let mmap = pool.mmap();
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let mut buf = Buffer::new(mmap, inner.dimensions);
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let bg = Color::new(0.0, 0.0, 0.0, 0.9);
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buf.memset(&bg);
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}
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pub fn with_modules<F>(&self, f: F)
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where
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F: Fn(&Module),
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{
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for m in self.modules.iter() {
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f(m);
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}
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}
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pub fn get_module(&self, pos: (u32, u32)) -> Option<&Module> {
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for m in self.modules.iter() {
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if m.intersect(pos) {
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return Some(&m);
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}
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}
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None
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}
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pub fn new(tx: Sender<Cmd>, output_mode: OutputMode) -> App {
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let inner = Arc::new(Mutex::new(AppInner::new(tx.clone(), output_mode)));
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//
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// Set up modules
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//
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let (mod_tx, mod_rx) = channel();
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std::thread::spawn(move || {
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let mut modules = vec![
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Module::new(Box::new(Clock::new(tx.clone())), (0, 0, 536, 320)),
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Module::new(Box::new(Calendar::new()), (0, 368, 1232, 344)),
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];
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if let Ok(m) = Launcher::new(tx.clone()) {
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modules.push(Module::new(Box::new(m), (0, 728, 1232, 32)));
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}
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let mut vert_off = 0;
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if let Ok(m) = UpowerBattery::new(tx.clone()) {
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modules.push(Module::new(Box::new(m), (640, vert_off, 592, 32)));
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vert_off += 32;
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}
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if let Ok(m) = Backlight::new() {
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modules.push(Module::new(Box::new(m), (640, vert_off, 592, 32)));
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vert_off += 32;
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}
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if let Ok(m) = PulseAudio::new(tx.clone()) {
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modules.push(Module::new(Box::new(m), (640, vert_off, 592, 32)));
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}
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mod_tx.send(modules).unwrap();
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});
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let cmd_queue = Arc::new(Mutex::new(VecDeque::new()));
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let (display, mut event_queue) = Display::connect_to_env().unwrap();
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let display_wrapper = display
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.as_ref()
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.make_wrapper(&event_queue.get_token())
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.unwrap()
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.into();
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//
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// Set up global manager
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//
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let inner_global = inner.clone();
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let manager =
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GlobalManager::new_with_cb(&display_wrapper, move |event, registry| match event {
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GlobalEvent::New {
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id,
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ref interface,
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version,
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} => {
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if let "wl_output" = &interface[..] {
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let output = registry
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.bind(version, id, move |output| {
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output.implement_closure(move |_, _| {}, ())
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})
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.unwrap();
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inner_global.lock().unwrap().add_output(id, output);
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}
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}
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GlobalEvent::Removed { id, ref interface } => {
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if let "wl_output" = &interface[..] {
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inner_global.lock().unwrap().remove_output(id);
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}
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}
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});
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// double sync to retrieve the global list
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// and the globals metadata
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event_queue.sync_roundtrip().unwrap();
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event_queue.sync_roundtrip().unwrap();
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// wl_compositor
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let compositor: wl_compositor::WlCompositor = manager
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.instantiate_range(1, 4, NewProxy::implement_dummy)
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.expect("server didn't advertise `wl_compositor`");
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inner.lock().unwrap().set_compositor(Some(compositor));
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// wl_shm
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let shm_formats = Arc::new(Mutex::new(Vec::new()));
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let shm_formats2 = shm_formats.clone();
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let shm = manager
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.instantiate_range(1, 1, |shm| {
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shm.implement_closure(
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move |evt, _| {
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if let wl_shm::Event::Format { format } = evt {
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shm_formats2.lock().unwrap().push(format);
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}
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},
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(),
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)
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})
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.expect("server didn't advertise `wl_shm`");
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let pools = DoubleMemPool::new(&shm, || {}).expect("Failed to create a memory pool !");
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//
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// Get our seat
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//
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let seat = manager
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.instantiate_range(1, 6, NewProxy::implement_dummy)
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.unwrap();
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//
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// Keyboard processing
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//
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let kbd_clone = cmd_queue.clone();
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map_keyboard_auto(&seat, move |event: KbEvent, _| match event {
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KbEvent::Key {
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keysym,
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utf8,
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state,
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..
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} => match state {
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KeyState::Pressed => match keysym {
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keysyms::XKB_KEY_Escape => kbd_clone.lock().unwrap().push_back(Cmd::Exit),
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v => kbd_clone.lock().unwrap().push_back(Cmd::KeyboardInput {
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input: Input::Keypress {
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key: v,
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interpreted: utf8,
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},
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}),
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},
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_ => (),
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},
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_ => (),
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})
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.expect("Failed to map keyboard");
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//
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// Prepare shell so that we can create our shell surface
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//
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inner.lock().unwrap().set_shell(Some(
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if let Ok(layer) = manager.instantiate_exact(
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1,
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|layer: NewProxy<zwlr_layer_shell_v1::ZwlrLayerShellV1>| {
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layer.implement_closure(|_, _| {}, ())
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},
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) {
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layer
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} else {
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panic!("server didn't advertise `zwlr_layer_shell_v1`");
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},
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));
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//
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// Calculate window dimensions
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//
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let modules = mod_rx.recv().unwrap();
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let mut dimensions = (0, 0);
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for m in modules.iter() {
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let b = m.get_bounds();
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dimensions = (max(dimensions.0, b.0 + b.2), max(dimensions.1, b.1 + b.3));
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}
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// Add padding
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inner
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.lock()
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.unwrap()
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.set_dimensions((dimensions.0 + 40, dimensions.1 + 40));
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inner.lock().unwrap().outputs_changed();
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event_queue.sync_roundtrip().unwrap();
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//
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// Cursor processing
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//
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let pointer_clone = cmd_queue.clone();
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seat.get_pointer(move |ptr| {
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let mut pos: (u32, u32) = (0, 0);
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let mut vert_scroll: f64 = 0.0;
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let mut horiz_scroll: f64 = 0.0;
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let mut btn: u32 = 0;
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let mut btn_clicked = false;
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ptr.implement_closure(
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move |evt, _| match evt {
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wl_pointer::Event::Enter {
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surface_x,
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surface_y,
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..
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} => {
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pos = (surface_x as u32, surface_y as u32);
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}
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wl_pointer::Event::Leave { .. } => {
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pos = (0, 0);
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}
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wl_pointer::Event::Motion {
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surface_x,
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surface_y,
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..
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} => {
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pos = (surface_x as u32, surface_y as u32);
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}
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wl_pointer::Event::Axis { axis, value, .. } => {
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if axis == wl_pointer::Axis::VerticalScroll {
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vert_scroll += value;
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}
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}
|
|
wl_pointer::Event::Button { button, state, .. } => match state {
|
|
wl_pointer::ButtonState::Released => {
|
|
btn = button;
|
|
btn_clicked = true;
|
|
}
|
|
_ => {}
|
|
},
|
|
wl_pointer::Event::Frame => {
|
|
if pos.0 < 20 || pos.1 < 20 {
|
|
// Ignore stuff outside our margins
|
|
return;
|
|
}
|
|
let pos = (pos.0 - 20, pos.1 - 20);
|
|
if vert_scroll != 0.0 || horiz_scroll != 0.0 {
|
|
pointer_clone.lock().unwrap().push_back(Cmd::MouseInput {
|
|
pos: pos,
|
|
input: Input::Scroll {
|
|
pos: pos,
|
|
x: horiz_scroll,
|
|
y: vert_scroll,
|
|
},
|
|
});
|
|
vert_scroll = 0.0;
|
|
horiz_scroll = 0.0;
|
|
}
|
|
if btn_clicked {
|
|
pointer_clone.lock().unwrap().push_back(Cmd::MouseInput {
|
|
pos: pos,
|
|
input: Input::Click {
|
|
pos: pos,
|
|
button: btn,
|
|
},
|
|
});
|
|
btn_clicked = false;
|
|
}
|
|
}
|
|
_ => {}
|
|
},
|
|
(),
|
|
)
|
|
})
|
|
.unwrap();
|
|
|
|
display.flush().unwrap();
|
|
|
|
App {
|
|
display: display,
|
|
event_queue: event_queue,
|
|
cmd_queue: cmd_queue,
|
|
pools: pools,
|
|
modules: modules,
|
|
inner: inner,
|
|
}
|
|
}
|
|
}
|