cosmic-idle/src/main.rs
2024-09-13 18:35:02 -07:00

357 lines
11 KiB
Rust

use keyframe::{ease, functions::EaseInOut};
use rustix::fd::AsFd;
use std::time::{Duration, Instant};
use wayland_client::{
delegate_noop,
globals::{registry_queue_init, GlobalListContents},
protocol::{
wl_buffer, wl_callback, wl_compositor, wl_output, wl_pointer, wl_registry, wl_seat, wl_shm,
wl_shm_pool, wl_surface,
},
Connection, Dispatch, Proxy, QueueHandle,
};
use wayland_protocols::{
ext::idle_notify::v1::client::{ext_idle_notification_v1, ext_idle_notifier_v1},
wp::{
single_pixel_buffer::v1::client::wp_single_pixel_buffer_manager_v1,
viewporter::client::{wp_viewport, wp_viewporter},
},
};
use wayland_protocols_wlr::{
layer_shell::v1::client::{zwlr_layer_shell_v1, zwlr_layer_surface_v1},
output_power_management::v1::client::{zwlr_output_power_manager_v1, zwlr_output_power_v1},
};
const IDLE_TIME: u32 = 3000;
const FADE_TIME: Duration = Duration::from_millis(2000);
struct FadeBlackSurface {
surface: wl_surface::WlSurface,
layer_surface: zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
viewport: wp_viewport::WpViewport,
has_first_configure: bool,
started: Instant,
}
impl FadeBlackSurface {
fn new(inner: &StateInner, output: &wl_output::WlOutput) -> Self {
let surface = inner.compositor.create_surface(&inner.qh, ());
let layer_surface = inner.layer_shell.get_layer_surface(
&surface,
Some(output),
zwlr_layer_shell_v1::Layer::Overlay,
"fade-to-black".to_string(),
&inner.qh,
(),
);
layer_surface.set_anchor(zwlr_layer_surface_v1::Anchor::all());
layer_surface.set_exclusive_zone(-1);
let viewport = inner.viewporter.get_viewport(&surface, &inner.qh, ());
surface.commit();
Self {
surface,
layer_surface,
viewport,
has_first_configure: false,
started: Instant::now(),
}
}
fn is_done(&self) -> bool {
self.started.elapsed() > FADE_TIME
}
fn configure(&mut self, inner: &StateInner, width: u32, height: u32) {
self.viewport.set_destination(width as i32, height as i32);
if !self.has_first_configure {
self.update(inner);
self.has_first_configure = true;
}
}
fn update(&self, inner: &StateInner) {
let time = self.started.elapsed().as_secs_f64() / FADE_TIME.as_secs_f64();
let alpha = ease(EaseInOut, 0., u32::MAX as f64, time) as u32;
//let alpha_u8 = ease(EaseOut, 0., u8::MAX as f64, time) as u8;
//dbg!(time, alpha);
// XXX is shm buffer different?
/*
let fd = rustix::fs::memfd_create("shm buffer", rustix::fs::MemfdFlags::CLOEXEC).unwrap();
rustix::io::write(&fd, &[0, 0, 0, alpha_u8]).unwrap();
let pool = inner.shm.create_pool(fd.as_fd(), 4, &inner.qh, ());
let buffer = pool.create_buffer(0, 1, 1, 4, wl_shm::Format::Argb8888, &inner.qh, ());
pool.destroy();
*/
let buffer =
inner
.single_pixel_buffer_manager
.create_u32_rgba_buffer(0, 0, 0, alpha, &inner.qh, ());
/*
let buffer =
inner
.single_pixel_buffer_manager
.create_u32_rgba_buffer(0, 0, 0, u32::MAX / 2, &inner.qh, ());
*/
self.surface.attach(Some(&buffer), 0, 0);
self.surface.frame(&inner.qh, self.surface.clone());
self.surface.damage(0, 0, i32::MAX, i32::MAX);
self.surface.commit();
buffer.destroy();
}
}
impl Drop for FadeBlackSurface {
fn drop(&mut self) {
self.viewport.destroy();
self.layer_surface.destroy();
self.surface.destroy();
}
}
struct Output {
output: wl_output::WlOutput,
output_power: zwlr_output_power_v1::ZwlrOutputPowerV1,
fade_surface: Option<FadeBlackSurface>,
}
struct StateInner {
output_power_manager: zwlr_output_power_manager_v1::ZwlrOutputPowerManagerV1,
compositor: wl_compositor::WlCompositor,
layer_shell: zwlr_layer_shell_v1::ZwlrLayerShellV1,
viewporter: wp_viewporter::WpViewporter,
single_pixel_buffer_manager: wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1,
shm: wl_shm::WlShm,
qh: QueueHandle<State>,
}
struct State {
inner: StateInner,
outputs: Vec<Output>,
}
impl State {
fn update_idle(&mut self, is_idle: bool) {
let mode = if dbg!(is_idle) {
zwlr_output_power_v1::Mode::Off
} else {
zwlr_output_power_v1::Mode::On
};
for output in &mut self.outputs {
if is_idle {
output.fade_surface = Some(FadeBlackSurface::new(&self.inner, &output.output));
} else {
output.fade_surface = None;
output.output_power.set_mode(zwlr_output_power_v1::Mode::On);
}
}
}
}
fn main() {
let connection = Connection::connect_to_env().unwrap();
let (globals, mut event_queue) = registry_queue_init::<State>(&connection).unwrap();
let qh = event_queue.handle();
let output_power_manager = globals
.bind::<zwlr_output_power_manager_v1::ZwlrOutputPowerManagerV1, _, _>(&qh, 1..=1, ())
.unwrap();
let idle_notifier = globals
.bind::<ext_idle_notifier_v1::ExtIdleNotifierV1, _, _>(&qh, 1..=1, ())
.unwrap();
let seat = globals
.bind::<wl_seat::WlSeat, _, _>(&qh, 1..=1, ())
.unwrap();
seat.get_pointer(&qh, ()); // XXX
let shm = globals.bind::<wl_shm::WlShm, _, _>(&qh, 1..=1, ()).unwrap();
let compositor = globals
.bind::<wl_compositor::WlCompositor, _, _>(&qh, 1..=1, ())
.unwrap();
let layer_shell = globals
.bind::<zwlr_layer_shell_v1::ZwlrLayerShellV1, _, _>(&qh, 1..=4, ())
.unwrap();
let viewporter = globals
.bind::<wp_viewporter::WpViewporter, _, _>(&qh, 1..=1, ())
.unwrap();
let single_pixel_buffer_manager = globals
.bind::<wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1, _, _>(
&qh,
1..=1,
(),
)
.unwrap();
let outputs = globals.contents().with_list(|list| {
list.iter()
.filter(|global| global.interface == wl_output::WlOutput::interface().name)
.map(|global| {
let output = globals
.registry()
.bind(global.name, global.version, &qh, ());
let output_power = output_power_manager.get_output_power(&output, &qh, ());
Output {
output,
output_power,
fade_surface: None,
}
})
.collect()
});
idle_notifier.get_idle_notification(IDLE_TIME, &seat, &qh, ());
let mut state = State {
inner: StateInner {
compositor,
output_power_manager,
layer_shell,
viewporter,
single_pixel_buffer_manager,
shm,
qh,
},
outputs,
};
loop {
event_queue.blocking_dispatch(&mut state).unwrap();
}
}
impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for State {
fn event(
_: &mut Self,
_: &wl_registry::WlRegistry,
event: wl_registry::Event,
_: &GlobalListContents,
_: &Connection,
_: &QueueHandle<Self>,
) {
dbg!(event);
}
}
impl Dispatch<ext_idle_notification_v1::ExtIdleNotificationV1, ()> for State {
fn event(
state: &mut Self,
_: &ext_idle_notification_v1::ExtIdleNotificationV1,
event: ext_idle_notification_v1::Event,
_: &(),
_: &Connection,
qh: &QueueHandle<Self>,
) {
let is_idle = match event {
ext_idle_notification_v1::Event::Idled => true,
ext_idle_notification_v1::Event::Resumed => false,
_ => unreachable!(),
};
state.update_idle(is_idle);
}
}
impl Dispatch<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1, ()> for State {
fn event(
state: &mut Self,
obj: &zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
event: zwlr_layer_surface_v1::Event,
_data: &(),
_conn: &Connection,
qh: &QueueHandle<Self>,
) {
match event {
zwlr_layer_surface_v1::Event::Configure {
serial,
width,
height,
} => {
for output in &mut state.outputs {
if let Some(fade_surface) = &mut output.fade_surface {
if &fade_surface.layer_surface == obj {
fade_surface.layer_surface.ack_configure(serial);
fade_surface.configure(&state.inner, width, height);
break;
}
}
}
dbg!(width, height);
}
_ => {}
}
}
}
impl Dispatch<wl_pointer::WlPointer, ()> for State {
fn event(
_: &mut Self,
pointer: &wl_pointer::WlPointer,
event: wl_pointer::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
match event {
wl_pointer::Event::Enter {
serial,
surface,
surface_x,
surface_y,
} => {
println!("set_cursor");
pointer.set_cursor(serial, None, 0, 0);
}
_ => {}
}
}
}
impl Dispatch<wl_callback::WlCallback, wl_surface::WlSurface> for State {
fn event(
state: &mut Self,
_: &wl_callback::WlCallback,
event: wl_callback::Event,
surface: &wl_surface::WlSurface,
_: &Connection,
_qh: &QueueHandle<Self>,
) {
match event {
wl_callback::Event::Done { callback_data } => {
for output in &mut state.outputs {
if let Some(fade_surface) = &mut output.fade_surface {
if &fade_surface.surface == surface {
if fade_surface.is_done() {
output
.output_power
.set_mode(zwlr_output_power_v1::Mode::Off);
output.fade_surface = None;
} else {
fade_surface.update(&state.inner);
}
break;
}
}
}
}
_ => {}
}
}
}
delegate_noop!(State: ignore wl_output::WlOutput);
delegate_noop!(State: zwlr_output_power_manager_v1::ZwlrOutputPowerManagerV1);
delegate_noop!(State: ignore zwlr_output_power_v1::ZwlrOutputPowerV1);
delegate_noop!(State: ext_idle_notifier_v1::ExtIdleNotifierV1);
delegate_noop!(State: ignore wl_seat::WlSeat); // XXX
delegate_noop!(State: ignore wl_buffer::WlBuffer);
delegate_noop!(State: ignore wl_surface::WlSurface);
delegate_noop!(State: ignore wl_shm::WlShm);
delegate_noop!(State: wl_shm_pool::WlShmPool);
delegate_noop!(State: zwlr_layer_shell_v1::ZwlrLayerShellV1);
delegate_noop!(State: wp_viewporter::WpViewporter);
delegate_noop!(State: wp_viewport::WpViewport);
delegate_noop!(State: wl_compositor::WlCompositor);
delegate_noop!(State: wp_single_pixel_buffer_manager_v1::WpSinglePixelBufferManagerV1);