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Windows: Properly handle WM_CAPTURECHANGED message #347

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Merged
prokopyl merged 1 commit into from
Oct 4, 2026
Merged

Windows: Properly handle WM_CAPTURECHANGED message #347

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16 changes: 16 additions & 0 deletions src/platform/win/window.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -575,6 +575,22 @@ unsafe fn wnd_proc_inner(

None
}
WM_CAPTURECHANGED => {
let window_gaining_capture =
NonNull::new(lparam as _).map(|p| unsafe { HWnd::from_raw(p) });

if window_gaining_capture != Some(window) {
let previous_counter = window_state.mouse_button_counter.replace(0);
HWnd::release_capture();

if previous_counter == 0 {
window_bv.handle_event(Event::Mouse(MouseEvent::CursorLeft));
window_state.mouse_was_outside_window.set(true);
}
}

Some(0)
}
WM_TIMER => {
if wparam == WIN_FRAME_TIMER.get() {
window_bv.handle_on_frame()
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