oden/third-party/vendor/sctk-adwaita/examples/simple.rs
2024-03-08 11:03:01 -08:00

117 lines
3.5 KiB
Rust

extern crate smithay_client_toolkit as sctk;
use sctk::reexports::calloop;
use sctk::reexports::client::protocol::{wl_shm, wl_surface};
use sctk::shm::AutoMemPool;
use sctk::window::Event as WEvent;
sctk::default_environment!(KbdInputExample, desktop);
fn main() {
let (env, display, queue) = sctk::new_default_environment!(KbdInputExample, desktop)
.expect("Unable to connect to a Wayland compositor");
let mut event_loop = calloop::EventLoop::<Option<WEvent>>::try_new().unwrap();
let mut dimensions = (380u32, 240u32);
let surface = env.create_surface().detach();
let mut window = env
.create_window::<sctk_adwaita::AdwaitaFrame, _>(
surface,
None,
dimensions,
move |evt, mut dispatch_data| {
let next_action = dispatch_data.get::<Option<WEvent>>().unwrap();
// Keep last event in priority order : Close > Configure > Refresh
let replace = matches!(
(&evt, &*next_action),
(_, &None)
| (_, &Some(WEvent::Refresh))
| (&WEvent::Configure { .. }, &Some(WEvent::Configure { .. }))
| (&WEvent::Close, _)
);
if replace {
*next_action = Some(evt);
}
},
)
.expect("Failed to create a window !");
window.set_title("/usr/lib/xorg/modules/input".to_string());
// // uncomment to override automatic theme selection
// window.set_frame_config(sctk_adwaita::FrameConfig::light());
let mut pool = env
.create_auto_pool()
.expect("Failed to create a memory pool !");
if !env.get_shell().unwrap().needs_configure() {
// initial draw to bootstrap on wl_shell
redraw(&mut pool, window.surface(), dimensions).expect("Failed to draw");
window.refresh();
}
println!("XDG_WINDOW: {:?}", window.surface());
let mut next_action = None;
sctk::WaylandSource::new(queue)
.quick_insert(event_loop.handle())
.unwrap();
loop {
match next_action.take() {
Some(WEvent::Close) => break,
Some(WEvent::Refresh) => {
window.refresh();
window.surface().commit();
}
Some(WEvent::Configure { new_size, .. }) => {
if let Some((w, h)) = new_size {
window.resize(w, h);
dimensions = (w, h)
}
window.refresh();
redraw(&mut pool, window.surface(), dimensions).expect("Failed to draw");
}
None => {}
}
// always flush the connection before going to sleep waiting for events
display.flush().unwrap();
event_loop.dispatch(None, &mut next_action).unwrap();
}
}
fn redraw(
pool: &mut AutoMemPool,
surface: &wl_surface::WlSurface,
(buf_x, buf_y): (u32, u32),
) -> Result<(), ::std::io::Error> {
let (canvas, new_buffer) = pool.buffer(
buf_x as i32,
buf_y as i32,
4 * buf_x as i32,
wl_shm::Format::Argb8888,
)?;
for pixel in canvas.chunks_exact_mut(4) {
pixel[0] = 255;
pixel[1] = 255;
pixel[2] = 255;
pixel[3] = 255;
}
surface.attach(Some(&new_buffer), 0, 0);
if surface.as_ref().version() >= 4 {
surface.damage_buffer(0, 0, buf_x as i32, buf_y as i32);
} else {
surface.damage(0, 0, buf_x as i32, buf_y as i32);
}
surface.commit();
Ok(())
}