HACK to fix freezing when launching the color picker overlay

Author: HackerFoo

crates/bevy_winit/src/state.rs

@@ -608,21 +608,20 @@ impl<T: Event> ApplicationHandler<T> for WinitAppRunnerState<T> {
                         });
                     }
                     else {
-                        event_loop.set_control_flow(ControlFlow::Wait);
+                        // HACK when showing an overlay, ControlFlow::Wait can be unbounded
+                        event_loop.set_control_flow(ControlFlow::WaitUntil(begin_frame_time + std::time::Duration::from_millis(25)));
                     }
                 }
 
                 // Trigger the next redraw to refresh the screen immediately if waiting
-                if let ControlFlow::Wait = event_loop.control_flow() {
+                if !matches!(event_loop.control_flow(), ControlFlow::Poll) {
                     self.redraw_requested = true;
                 }
             }
             UpdateMode::Reactive { wait, .. } => {
                 // Set the next timeout, starting from the instant before running app.update() to avoid frame delays
-                if let Some(next) = begin_frame_time.checked_add(wait) {
-                    if self.wait_elapsed {
-                        event_loop.set_control_flow(ControlFlow::WaitUntil(next));
-                    }
+                if self.wait_elapsed {
+                    event_loop.set_control_flow(ControlFlow::WaitUntil(begin_frame_time + wait));
                 }
             }
         }