263 lines
8.2 KiB
Rust
263 lines
8.2 KiB
Rust
mod buffer;
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mod color;
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mod config;
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mod draw;
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mod event;
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mod fonts;
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mod keyboard;
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mod state;
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mod utils;
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mod widgets;
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use std::fs::File;
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use wayland_client::{Connection, QueueHandle, WaylandSource};
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use calloop::{
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timer::{TimeoutAction, Timer},
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EventLoop,
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};
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use chrono::{Duration, Local, Timelike};
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use buffer::BufferView;
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use config::Config;
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use event::{Event, Events};
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use fonts::{FontMap, MaybeFontMap};
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use keyboard::{KeyRepeatSource, RepeatMessage};
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use state::State;
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use widgets::{Geometry, Widget};
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use utils::{xdg, desktop::{load_desktop_files, write_desktop_cache}};
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use std::{env, rc::Rc, thread};
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fn main() {
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let mut args = env::args();
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// Skip program name
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_ = args.next();
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let mut config_file = format!("{}/wldash/config.yml", xdg::config_folder());
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loop {
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match args.next() {
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Some(ref s) if s == "--config" => {
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match args.next() {
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Some(ref s) => config_file = s.clone(),
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None => panic!("missing argument to --config"),
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}
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}
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Some(ref s) if s == "generate" => {
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let config = match args.next() {
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Some(ref s) if s == "v1" => Config::generate_v1(),
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Some(ref s) if s == "v2" => Config::generate_v2(false),
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Some(ref s) if s == "clay" => Config::generate_v2(true),
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None => Config::generate_v2(false),
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Some(s) => panic!("unknown argument: {}", s),
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};
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match File::create(config_file) {
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Ok(f) => serde_yaml::to_writer(f, &config).unwrap(),
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Err(_) => panic!("uh"),
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}
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std::process::exit(0);
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}
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Some(ref s) if s == "desktop-refresh" => {
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let v = load_desktop_files();
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write_desktop_cache(&v).unwrap();
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std::process::exit(0);
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}
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Some(_) => panic!("unknown argument"),
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None => break,
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}
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}
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let conn = Connection::connect_to_env().unwrap();
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let event_queue = conn.new_event_queue();
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let qhandle: QueueHandle<State> = event_queue.handle();
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let display = conn.display();
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display.get_registry(&qhandle, ());
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let (ping_sender, ping_source) = calloop::ping::make_ping().unwrap();
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let (keyrepeat_sender, keyrepeat_channel) = calloop::channel::channel::<RepeatMessage>();
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let mut event_loop: EventLoop<State> =
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EventLoop::try_new().expect("Failed to initialize the event loop!");
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let handle = event_loop.handle();
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handle
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.insert_source(
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WaylandSource::new(event_queue).expect("Could not create WaylandSource!"),
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|_event, queue, mut state| queue.dispatch_pending(&mut state),
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)
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.expect("Failed to insert event source!");
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handle
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.insert_source(ping_source, |(), &mut (), state| {
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let events = state.events.lock().unwrap().flush();
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for widget in state.widgets.iter_mut() {
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for event in events.iter() {
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widget.event(event);
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}
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}
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state.dirty = true;
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})
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.expect("Failed to insert ping source!");
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let clock_source = Timer::from_duration(std::time::Duration::from_secs(1));
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handle
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.insert_source(clock_source, |_event, _metadata, state| {
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let now = Local::now().naive_local();
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let target = (now + Duration::seconds(60))
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.with_second(0)
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.unwrap()
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.with_nanosecond(0)
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.unwrap();
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let d = target - now;
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for widget in state.widgets.iter_mut() {
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widget.event(&Event::NewMinute);
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}
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state.dirty = true;
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// The timer event source requires us to return a TimeoutAction to
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// specify if the timer should be rescheduled. In our case we just drop it.
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TimeoutAction::ToDuration(d.to_std().unwrap())
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})
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.expect("Failed to insert event source!");
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let keyrepeat_source = KeyRepeatSource::new(keyrepeat_channel);
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handle
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.insert_source(keyrepeat_source, |event, _metadata, state| {
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let ev = Event::KeyEvent(event);
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for widget in state.widgets.iter_mut() {
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widget.event(&ev);
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}
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state.dirty = true;
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})
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.expect("Failed to insert keyrepeat source!");
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let events = Events::new(ping_sender);
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let mut fm = FontMap::new();
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let config: Config = match File::open(config_file) {
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Ok(f) => serde_yaml::from_reader(f).unwrap(),
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Err(_) => panic!("configuration file missing"),
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};
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if let Some(font_paths) = config.font_paths {
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for (key, value) in font_paths.into_iter() {
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fm.add_font_path(Box::leak(key.into_boxed_str()), value);
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}
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}
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let layout = Rc::new(config.widget.construct_layout(&mut 0));
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let mut widgets: Vec<Box<dyn Widget>> = Vec::new();
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config
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.widget
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.construct_widgets(&mut widgets, &mut fm, &events);
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let font_thread = thread::Builder::new()
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.name("fontloader".to_string())
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.spawn(move || {
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fm.load_fonts();
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fm
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})
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.unwrap();
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let mut state = State::new(
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config.mode,
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config.background,
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widgets,
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layout,
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MaybeFontMap::Waiting(font_thread),
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events,
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keyrepeat_sender,
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);
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let mut damage = Vec::new();
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for _ in 0..state.widgets.len() {
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damage.push(Geometry::new());
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}
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while state.running {
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event_loop
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.dispatch(None, &mut state)
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.expect("Could not dispatch event loop");
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if !state.configured || !state.dirty {
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continue;
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}
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let mut force = false;
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if state.bufmgr.buffers.len() == 0 {
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state.add_buffer(&qhandle);
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force = true;
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}
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// We expect to see the usual shm optimization
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let buf = match state.bufmgr.next_buffer() {
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Some(b) => b,
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None => {
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// We are still waiting for our buffer
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continue;
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}
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};
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state.dirty = false;
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buf.acquire();
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let mut bufview = BufferView::new(
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&mut buf.mmap,
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(state.dimensions.0 as u32, state.dimensions.1 as u32),
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);
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let surface = state.main_surface.wl_surface.as_ref().unwrap().clone();
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if force {
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for (idx, widget) in state.widgets.iter_mut().enumerate() {
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if force || widget.get_dirty() {
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let geo = widget.geometry();
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let mut subview = bufview.subgeometry(geo);
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damage[idx] = widget.draw(&mut state.fonts.unwrap().borrow_mut(), &mut subview);
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}
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}
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surface.damage_buffer(0, 0, 0x7FFFFFFF, 0x7FFFFFFF);
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} else {
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let mut drew = false;
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for (idx, widget) in state.widgets.iter_mut().enumerate() {
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if widget.get_dirty() {
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drew = true;
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let old_damage = damage[idx];
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bufview.subgeometry(old_damage).clear();
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let geo = widget.geometry();
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let mut subview = bufview.subgeometry(geo);
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let new_damage =
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widget.draw(&mut state.fonts.unwrap().borrow_mut(), &mut subview);
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let combined_damage = new_damage.expand(old_damage);
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damage[idx] = new_damage;
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surface.damage_buffer(
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combined_damage.x as i32,
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combined_damage.y as i32,
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combined_damage.width as i32,
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combined_damage.height as i32,
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);
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}
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}
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if !drew {
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buf.release();
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conn.flush().unwrap();
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continue;
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}
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}
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surface.attach(Some(&buf.buffer), 0, 0);
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surface.commit();
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conn.flush().unwrap();
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// Now is a good as time as any to load the keymap
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state.keyboard.resolve();
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}
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}
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