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/*
* Copyright (C) Oscar Shrimpton 2020
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
use crate::Renderer;
use winit::event::Event as WinitEvent;
use winit::event::WindowEvent as WinitWindowEvent;
use winit::event_loop::ControlFlow;
#[derive(Debug, Clone, Copy)]
pub enum WindowEvent {
SizeChanged,
CloseRequested,
}
impl WindowEvent {
pub fn from(winit_event: &WinitEvent<()>) -> Option<WindowEvent> {
// TODO
match winit_event {
WinitEvent::WindowEvent { event, .. } => match event {
WinitWindowEvent::CloseRequested => Some(WindowEvent::CloseRequested),
WinitWindowEvent::Resized(_) => Some(WindowEvent::SizeChanged),
_ => None,
},
_ => None,
}
}
}
#[system]
/// A system to process the window events sent to renderer by the winit event loop.
pub fn process_window_events(#[resource] renderer: &mut Renderer<'static>) {
while let Ok(event) = renderer.window_events.try_recv() {
match event {
WindowEvent::SizeChanged => renderer.resize(),
WindowEvent::CloseRequested => {
let mut flow = renderer.update_control_flow.write().unwrap();
// TODO: Let everything know this is our last frame
*flow = ControlFlow::Exit;
}
};
}
}
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