migrations/egui
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[egui_web] Repaint on finished fetch in example app

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This commit is contained in:
Emil Ernerfeldt
2020-11-20 20:35:16 +01:00
parent 99a2a52510
commit 633b19ee99
8 changed files with 129 additions and 71 deletions
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22
egui_glium/src/backend.rs
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@@ -29,10 +29,20 @@ impl egui::app::TextureAllocator for Painter {
}
}
struct RequestRepaintEvent;
struct GliumRepaintSignal(glutin::event_loop::EventLoopProxy<RequestRepaintEvent>);
impl egui::app::RepaintSignal for GliumRepaintSignal {
fn request_repaint(&self) {
self.0.send_event(RequestRepaintEvent).ok();
}
}
fn create_display(
title: &str,
window_settings: Option<WindowSettings>,
event_loop: &glutin::event_loop::EventLoop<()>,
event_loop: &glutin::event_loop::EventLoop<RequestRepaintEvent>,
) -> glium::Display {
let mut window_builder = glutin::window::WindowBuilder::new()
.with_decorations(true)
@@ -61,9 +71,11 @@ pub fn run(
) -> ! {
let window_settings: Option<WindowSettings> =
egui::app::get_value(storage.as_ref(), WINDOW_KEY);
let event_loop = glutin::event_loop::EventLoop::new();
let event_loop = glutin::event_loop::EventLoop::with_user_event();
let display = create_display(title, window_settings, &event_loop);
let repaint_signal = std::sync::Arc::new(GliumRepaintSignal(event_loop.create_proxy()));
let mut ctx = egui::Context::new();
*ctx.memory() = egui::app::get_value(storage.as_ref(), EGUI_MEMORY_KEY).unwrap_or_default();
app.setup(&ctx);
@@ -92,6 +104,7 @@ pub fn run(
},
tex_allocator: Some(&mut painter),
output: Default::default(),
repaint_signal: repaint_signal.clone(),
};
app.ui(&ctx, &mut integration_context);
let app_output = integration_context.output;
@@ -158,6 +171,11 @@ pub fn run(
app.on_exit(storage.as_mut());
storage.flush();
}
glutin::event::Event::UserEvent(RequestRepaintEvent) => {
display.gl_window().window().request_redraw();
}
_ => (),
}
});