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handle WM_DEVICECHANGE

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This commit is contained in:
Junkui Zhang 2025-07-28 17:04:28 +08:00
parent ca6aa25d1e
commit 0065e5fd76
1 changed files with 35 additions and 19 deletions
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54
crates/gpui/src/platform/windows/events.rs
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@ -37,6 +37,7 @@ pub(crate) fn handle_msg(
let handled = match msg {
WM_ACTIVATE => handle_activate_msg(wparam, state_ptr),
WM_CREATE => handle_create_msg(handle, state_ptr),
WM_DEVICECHANGE => handle_device_change_msg(handle, wparam, state_ptr),
WM_MOVE => handle_move_msg(handle, lparam, state_ptr),
WM_SIZE => handle_size_msg(wparam, lparam, state_ptr),
WM_GETMINMAXINFO => handle_get_min_max_info_msg(lparam, state_ptr),
@ -236,25 +237,7 @@ fn handle_timer_msg(
}
fn handle_paint_msg(handle: HWND, state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
let mut lock = state_ptr.state.borrow_mut();
let is_idle = if let Some(mut request_frame) = lock.callbacks.request_frame.take() {
drop(lock);
// request_frame(RequestFrameOptions {
// require_presentation: true,
// });
let is_idle = request_frame(Default::default());
state_ptr.state.borrow_mut().callbacks.request_frame = Some(request_frame);
is_idle
} else {
false
};
unsafe { ValidateRect(Some(handle), None).ok().log_err() };
if is_idle {
unsafe {
MsgWaitForMultipleObjects(None, false, 100, QS_ALLINPUT);
}
}
Some(0)
draw_window(handle, false, state_ptr)
}
fn handle_close_msg(state_ptr: Rc<WindowsWindowStatePtr>) -> Option<isize> {
@ -1213,6 +1196,39 @@ fn handle_input_language_changed(
Some(0)
}
fn handle_device_change_msg(
handle: HWND,
wparam: WPARAM,
state_ptr: Rc<WindowsWindowStatePtr>,
) -> Option<isize> {
if wparam.0 == DBT_DEVNODES_CHANGED as usize {
draw_window(handle, true, state_ptr)
} else {
// Other device change messages are not handled.
None
}
}
#[inline]
fn draw_window(
handle: HWND,
force_draw: bool,
state_ptr: Rc<WindowsWindowStatePtr>,
) -> Option<isize> {
let mut request_frame = state_ptr
.state
.borrow_mut()
.callbacks
.request_frame
.take()?;
request_frame(RequestFrameOptions {
require_presentation: force_draw,
});
state_ptr.state.borrow_mut().callbacks.request_frame = Some(request_frame);
unsafe { ValidateRect(Some(handle), None).ok().log_err() };
Some(0)
}
#[inline]
fn parse_char_message(wparam: WPARAM, state_ptr: &Rc<WindowsWindowStatePtr>) -> Option<String> {
let code_point = wparam.loword();