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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 • committed by GitHub
parent 5ea81efc74
commit 927deb030f
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GPG key ID: B5690EEEBB952194
2 changed files with 35 additions and 33 deletions
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1
src/changelog/unreleased.md
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@ -202,3 +202,4 @@ changelog entry.
- On macOS, fixed the scancode conversion for `IntlBackslash`.
- On macOS, fixed redundant `SurfaceResized` event at window creation.
- On Windows, fixed the event loop not waking on accessibility requests.
- On X11, fixed cursor grab mode state tracking on error.

67
src/platform_impl/linux/x11/window.rs
View file

@ -1827,6 +1827,11 @@ impl UnownedWindow {
#[inline]
pub fn set_cursor_grab(&self, mode: CursorGrabMode) -> Result<(), RequestError> {
// We don't support the locked cursor yet, so ignore it early on.
if mode == CursorGrabMode::Locked {
return Err(NotSupportedError::new("locked cursor is not implemented on X11").into());
}
let mut grabbed_lock = self.cursor_grabbed_mode.lock().unwrap();
if mode == *grabbed_lock {
return Ok(());
@ -1838,6 +1843,7 @@ 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
@ -1845,34 +1851,33 @@ impl UnownedWindow {
.flush_requests()
.map_err(|err| RequestError::Os(os_error!(X11Error::Xlib(err)))),
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(()),
@ -1892,11 +1897,7 @@ impl UnownedWindow {
}
.map_err(|err| RequestError::Os(os_error!(err)))
},
CursorGrabMode::Locked => {
return Err(
NotSupportedError::new("locked cursor is not implemented on X11").into()
);
},
CursorGrabMode::Locked => return Ok(()),
};
if result.is_ok() {