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Implement Canvas::request_redraw

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This commit is contained in:
Héctor Ramón Jiménez 2019-06-25 18:39:41 +02:00
parent 9c5657b86c
commit d5368d7979
3 changed files with 20 additions and 22 deletions
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24
src/platform_impl/web/window.rs
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@ -13,7 +13,6 @@ use std::collections::VecDeque;
pub struct Window {
canvas: backend::Canvas,
redraw: Box<dyn Fn()>,
previous_pointer: RefCell<&'static str>,
position: RefCell<LogicalPosition>,
}
@ -24,24 +23,19 @@ impl Window {
attr: WindowAttributes,
_: PlatformSpecificBuilderAttributes,
) -> Result<Self, RootOE> {
let mut canvas = backend::Canvas::create()?;
let runner = target.runner.clone();
let mut canvas = backend::Canvas::create(move || {
runner.send_event(Event::WindowEvent {
window_id: RootWI(Id),
event: WindowEvent::RedrawRequested,
})
})?;
target.register(&mut canvas);
let runner = target.runner.clone();
let redraw = Box::new(move || {
let runner = runner.clone();
backend::request_animation_frame(move || {
runner.send_event(Event::WindowEvent {
window_id: RootWI(Id),
event: WindowEvent::RedrawRequested,
})
});
});
let window = Window {
canvas,
redraw,
previous_pointer: RefCell::new("auto"),
position: RefCell::new(LogicalPosition { x: 0.0, y: 0.0 }),
};
@ -71,7 +65,7 @@ impl Window {
}
pub fn request_redraw(&self) {
(self.redraw)();
self.canvas.request_redraw();
}
pub fn outer_position(&self) -> Result<LogicalPosition, NotSupportedError> {