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windows: Fix window close animation (#33228)

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Implements a workaround which removes the `WS_EX_LAYERED` style from the
window right before closing it which seems to fix the window close
animation not playing.

Release Notes:

- N/A
This commit is contained in:
Matin Aniss 2025-06-23 23:13:53 +10:00 • committed by GitHub
parent 8718019b52
commit 1a6c1b2159
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GPG key ID: B5690EEEBB952194
1 changed files with 17 additions and 3 deletions
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20
crates/gpui/src/platform/windows/events.rs
View file

@ -48,7 +48,7 @@ pub(crate) fn handle_msg(
WM_DISPLAYCHANGE => handle_display_change_msg(handle, state_ptr),
WM_NCHITTEST => handle_hit_test_msg(handle, msg, wparam, lparam, state_ptr),
WM_PAINT => handle_paint_msg(handle, state_ptr),
WM_CLOSE => handle_close_msg(state_ptr),
WM_CLOSE => handle_close_msg(handle, state_ptr),
WM_DESTROY => handle_destroy_msg(handle, state_ptr),
WM_MOUSEMOVE => handle_mouse_move_msg(handle, lparam, wparam, state_ptr),
WM_MOUSELEAVE | WM_NCMOUSELEAVE => handle_mouse_leave_msg(state_ptr),
@ -248,18 +248,32 @@ fn handle_paint_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Optio
Some(0)
}
fn handle_close_msg(state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
fn handle_close_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
let mut lock = state_ptr.state.borrow_mut();
if let Some(mut callback) = lock.callbacks.should_close.take() {
let output = if let Some(mut callback) = lock.callbacks.should_close.take() {
drop(lock);
let should_close = callback();
state_ptr.state.borrow_mut().callbacks.should_close = Some(callback);
if should_close { None } else { Some(0) }
} else {
None
};
// Workaround as window close animation is not played with `WS_EX_LAYERED` enabled.
if output.is_none() {
unsafe {
let current_style = get_window_long(handle, GWL_EXSTYLE);
set_window_long(
handle,
GWL_EXSTYLE,
current_style & !WS_EX_LAYERED.0 as isize,
);
}
}
output
}
fn handle_destroy_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
let callback = {
let mut lock = state_ptr.state.borrow_mut();