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Allow the user to force X11 under Wayland

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Use forced backend over the env variables. 

Signed-off-by: John Nunley <dev@notgull.net>
Fixes: #3057
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John Nunley 2023-09-03 14:24:05 -07:00 committed by GitHub
parent 7a2a2341c2
commit 8fdd81ecef
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2 changed files with 27 additions and 13 deletions
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1
CHANGELOG.md
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@ -19,6 +19,7 @@ And please only add new entries to the top of this list, right below the `# Unre
- On Web, remove any fullscreen requests from the queue when an external fullscreen activation was detected.
- On Wayland, fix `TouchPhase::Canceled` being sent for moved events.
- Mark `startup_notify` unsafe functions as safe.
- Fix a bug where Wayland would be chosen on Linux even if the user specified `with_x11`. (#3058)
# 0.29.1-beta

39
src/platform_impl/linux/mod.rs
View file

@ -716,21 +716,34 @@ impl<T: 'static> EventLoop<T> {
}
// NOTE: Wayland first because of X11 could be present under wayland as well.
#[cfg(wayland_platform)]
if attributes.forced_backend == Some(Backend::Wayland)
|| env::var("WAYLAND_DISPLAY").is_ok()
{
return EventLoop::new_wayland_any_thread().map_err(Into::into);
}
let backend = match (
attributes.forced_backend,
env::var("WAYLAND_DISPLAY").is_ok(),
env::var("DISPLAY").is_ok(),
) {
// User is forcing a backend.
(Some(backend), _, _) => backend,
// Wayland is present.
#[cfg(wayland_platform)]
(None, true, _) => Backend::Wayland,
// X11 is present.
#[cfg(x11_platform)]
(None, _, true) => Backend::X,
// No backend is present.
_ => {
return Err(EventLoopError::Os(os_error!(OsError::Misc(
"neither WAYLAND_DISPLAY nor DISPLAY is set."
))));
}
};
#[cfg(x11_platform)]
if attributes.forced_backend == Some(Backend::X) || env::var("DISPLAY").is_ok() {
return Ok(EventLoop::new_x11_any_thread().unwrap());
// Create the display based on the backend.
match backend {
#[cfg(wayland_platform)]
Backend::Wayland => EventLoop::new_wayland_any_thread().map_err(Into::into),
#[cfg(x11_platform)]
Backend::X => Ok(EventLoop::new_x11_any_thread().unwrap()),
}
Err(EventLoopError::Os(os_error!(OsError::Misc(
"neither WAYLAND_DISPLAY nor DISPLAY is set."
))))
}
#[cfg(wayland_platform)]