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Add dragging window with cursor feature (#1840)

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* X11 implementation.

* Introduce example.

* Wayland implementation.

* Windows implementation.

* Improve Wayland seat passing.

* MacOS implementation.

* Correct windows implementation per specification.

* Update dependency smithay-client-toolkit from branch to master.

* Fixed blocking thread in windows implementation.

* Add multi-window example.

* Move Wayland to a different PR.

* Fix CHANGELOG.

* Improve example.

Co-authored-by: Markus Røyset <maroider@protonmail.com>

* Rename `set_drag_window` to `begin_drag`.

* Improve example.

* Fix CHANGELOG.

* Fix CHANGELOG.

Co-authored-by: Markus Røyset <maroider@protonmail.com>

* Rename to `drag_window`.

* Fix typo.

* Re-introduce Wayland implementation.

* Fixing Wayland build.

* Fixing Wayland build.

* Move SCTK to 0.12.3.

Co-authored-by: Markus Røyset <maroider@protonmail.com>
This commit is contained in:
daxpedda 2021-03-07 10:43:23 +01:00 • committed by GitHub
parent 4192d04a53
commit 98470393d1
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16 changed files with 233 additions and 5 deletions
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40
src/platform_impl/linux/x11/window.rs
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@ -1276,6 +1276,46 @@ impl UnownedWindow {
self.set_cursor_position_physical(x, y)
}
pub fn drag_window(&self) -> Result<(), ExternalError> {
let pointer = self
.xconn
.query_pointer(self.xwindow, util::VIRTUAL_CORE_POINTER)
.map_err(|err| ExternalError::Os(os_error!(OsError::XError(err))))?;
let window = self.inner_position().map_err(ExternalError::NotSupported)?;
let message = unsafe { self.xconn.get_atom_unchecked(b"_NET_WM_MOVERESIZE\0") };
// we can't use `set_cursor_grab(false)` here because it doesn't run `XUngrabPointer`
// if the cursor isn't currently grabbed
let mut grabbed_lock = self.cursor_grabbed.lock();
unsafe {
(self.xconn.xlib.XUngrabPointer)(self.xconn.display, ffi::CurrentTime);
}
self.xconn
.flush_requests()
.map_err(|err| ExternalError::Os(os_error!(OsError::XError(err))))?;
*grabbed_lock = false;
// we keep the lock until we are done
self.xconn
.send_client_msg(
self.xwindow,
self.root,
message,
Some(ffi::SubstructureRedirectMask | ffi::SubstructureNotifyMask),
[
(window.x as c_long + pointer.win_x as c_long),
(window.y as c_long + pointer.win_y as c_long),
8, // _NET_WM_MOVERESIZE_MOVE
ffi::Button1 as c_long,
1,
],
)
.flush()
.map_err(|err| ExternalError::Os(os_error!(OsError::XError(err))))
}
pub(crate) fn set_ime_position_physical(&self, x: i32, y: i32) {
let _ = self
.ime_sender