migrations/egui
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Add Context::request_repaint_after (#1694)

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This commit is contained in:
Red Artist
2022-06-22 16:49:13 +05:30
committed by GitHub
parent 1a89cb35e1
commit 935913b1ec
13 changed files with 180 additions and 43 deletions
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13
egui_glow/examples/pure_glow.rs
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@@ -16,7 +16,7 @@ fn main() {
let mut redraw = || {
let mut quit = false;
let needs_repaint = egui_glow.run(gl_window.window(), |egui_ctx| {
let repaint_after = egui_glow.run(gl_window.window(), |egui_ctx| {
egui::SidePanel::left("my_side_panel").show(egui_ctx, |ui| {
ui.heading("Hello World!");
if ui.button("Quit").clicked() {
@@ -28,9 +28,13 @@ fn main() {
*control_flow = if quit {
glutin::event_loop::ControlFlow::Exit
} else if needs_repaint {
} else if repaint_after.is_zero() {
gl_window.window().request_redraw();
glutin::event_loop::ControlFlow::Poll
} else if let Some(repaint_after_instant) =
std::time::Instant::now().checked_add(repaint_after)
{
glutin::event_loop::ControlFlow::WaitUntil(repaint_after_instant)
} else {
glutin::event_loop::ControlFlow::Wait
};
@@ -82,6 +86,11 @@ fn main() {
glutin::event::Event::LoopDestroyed => {
egui_glow.destroy();
}
glutin::event::Event::NewEvents(glutin::event::StartCause::ResumeTimeReached {
..
}) => {
gl_window.window().request_redraw();
}
_ => (),
}

8
egui_glow/src/winit.rs
View File

@@ -41,18 +41,18 @@ impl EguiGlow {
self.egui_winit.on_event(&self.egui_ctx, event)
}
/// Returns `true` if egui requests a repaint.
/// Returns the `Duration` of the timeout after which egui should be repainted even if there's no new events.
///
/// Call [`Self::paint`] later to paint.
pub fn run(
&mut self,
window: &winit::window::Window,
run_ui: impl FnMut(&egui::Context),
) -> bool {
) -> std::time::Duration {
let raw_input = self.egui_winit.take_egui_input(window);
let egui::FullOutput {
platform_output,
needs_repaint,
repaint_after,
textures_delta,
shapes,
} = self.egui_ctx.run(raw_input, run_ui);
@@ -62,7 +62,7 @@ impl EguiGlow {
self.shapes = shapes;
self.textures_delta.append(textures_delta);
needs_repaint
repaint_after
}
/// Paint the results of the last call to [`Self::run`].