winit/platform_impl/linux/wayland/event_loop/
sink.rs

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1//! An event loop's sink to deliver events from the Wayland event callbacks.
2
3use std::vec::Drain;
4
5use super::{DeviceId, WindowId};
6use crate::event::{DeviceEvent, DeviceId as RootDeviceId, Event, WindowEvent};
7use crate::platform_impl::platform::DeviceId as PlatformDeviceId;
8use crate::window::WindowId as RootWindowId;
9
10/// An event loop's sink to deliver events from the Wayland event callbacks
11/// to the winit's user.
12#[derive(Default)]
13pub struct EventSink {
14    pub(crate) window_events: Vec<Event>,
15}
16
17impl EventSink {
18    pub fn new() -> Self {
19        Default::default()
20    }
21
22    /// Return `true` if there're pending events.
23    #[inline]
24    pub fn is_empty(&self) -> bool {
25        self.window_events.is_empty()
26    }
27
28    /// Add new device event to a queue.
29    #[inline]
30    pub fn push_device_event(&mut self, event: DeviceEvent, device_id: DeviceId) {
31        self.window_events.push(Event::DeviceEvent {
32            event,
33            device_id: RootDeviceId(PlatformDeviceId::Wayland(device_id)),
34        });
35    }
36
37    /// Add new window event to a queue.
38    #[inline]
39    pub fn push_window_event(&mut self, event: WindowEvent, window_id: WindowId) {
40        self.window_events.push(Event::WindowEvent { event, window_id: RootWindowId(window_id) });
41    }
42
43    #[inline]
44    pub fn append(&mut self, other: &mut Self) {
45        self.window_events.append(&mut other.window_events);
46    }
47
48    #[inline]
49    pub(crate) fn drain(&mut self) -> Drain<'_, Event> {
50        self.window_events.drain(..)
51    }
52}
winit/platform_impl/linux/wayland/event_loop/sink.rs

winit/platform_impl/linux/wayland/event_loop/
sink.rs
