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x11: fix cursor grab mode tracking on error

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Fixes #4064.
This commit is contained in:
Kirill Chibisov
2024-12-31 05:52:12 +03:00
parent 6b5cc165dd
commit 61314cd50a
2 changed files with 35 additions and 31 deletions
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1
src/changelog/unreleased.md
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@@ -47,3 +47,4 @@ changelog entry.
### Fixed
- On Windows, fixed the event loop not waking on accessibility requests.
- On X11, fixed cursor grab mode state tracking on error.

65
src/platform_impl/linux/x11/window.rs
View File

@@ -1492,6 +1492,11 @@ impl UnownedWindow {
#[inline]
pub fn set_cursor_grab(&self, mode: CursorGrabMode) -> Result<(), ExternalError> {
// We don't support the locked cursor yet, so ignore it early on.
if mode == CursorGrabMode::Locked {
return Err(ExternalError::NotSupported(NotSupportedError::new()));
}
let mut grabbed_lock = self.cursor_grabbed_mode.lock().unwrap();
if mode == *grabbed_lock {
return Ok(());
@@ -1503,40 +1508,40 @@ impl UnownedWindow {
.xcb_connection()
.ungrab_pointer(x11rb::CURRENT_TIME)
.expect_then_ignore_error("Failed to call `xcb_ungrab_pointer`");
*grabbed_lock = CursorGrabMode::None;
let result = match mode {
CursorGrabMode::None => self.xconn.flush_requests().map_err(|err| {
ExternalError::Os(os_error!(OsError::XError(X11Error::Xlib(err).into())))
}),
CursorGrabMode::Confined => {
let result = {
self.xconn
.xcb_connection()
.grab_pointer(
true as _,
self.xwindow,
xproto::EventMask::BUTTON_PRESS
| xproto::EventMask::BUTTON_RELEASE
| xproto::EventMask::ENTER_WINDOW
| xproto::EventMask::LEAVE_WINDOW
| xproto::EventMask::POINTER_MOTION
| xproto::EventMask::POINTER_MOTION_HINT
| xproto::EventMask::BUTTON1_MOTION
| xproto::EventMask::BUTTON2_MOTION
| xproto::EventMask::BUTTON3_MOTION
| xproto::EventMask::BUTTON4_MOTION
| xproto::EventMask::BUTTON5_MOTION
| xproto::EventMask::KEYMAP_STATE,
xproto::GrabMode::ASYNC,
xproto::GrabMode::ASYNC,
self.xwindow,
0u32,
x11rb::CURRENT_TIME,
)
.expect("Failed to call `grab_pointer`")
.reply()
.expect("Failed to receive reply from `grab_pointer`")
};
let result = self
.xconn
.xcb_connection()
.grab_pointer(
true as _,
self.xwindow,
xproto::EventMask::BUTTON_PRESS
| xproto::EventMask::BUTTON_RELEASE
| xproto::EventMask::ENTER_WINDOW
| xproto::EventMask::LEAVE_WINDOW
| xproto::EventMask::POINTER_MOTION
| xproto::EventMask::POINTER_MOTION_HINT
| xproto::EventMask::BUTTON1_MOTION
| xproto::EventMask::BUTTON2_MOTION
| xproto::EventMask::BUTTON3_MOTION
| xproto::EventMask::BUTTON4_MOTION
| xproto::EventMask::BUTTON5_MOTION
| xproto::EventMask::KEYMAP_STATE,
xproto::GrabMode::ASYNC,
xproto::GrabMode::ASYNC,
self.xwindow,
0u32,
x11rb::CURRENT_TIME,
)
.expect("Failed to call `grab_pointer`")
.reply()
.expect("Failed to receive reply from `grab_pointer`");
match result.status {
xproto::GrabStatus::SUCCESS => Ok(()),
@@ -1556,9 +1561,7 @@ impl UnownedWindow {
}
.map_err(|err| ExternalError::Os(os_error!(OsError::Misc(err))))
},
CursorGrabMode::Locked => {
return Err(ExternalError::NotSupported(NotSupportedError::new()));
},
CursorGrabMode::Locked => return Ok(()),
};
if result.is_ok() {