migrations/winit
1
0
Fork 0
mirror of https://github.com/rust-windowing/winit.git synced 2026-09-01 22:30:04 -04:00
Code Issues Packages Projects Releases Wiki Activity

Ensure that DISPLAY vars are non-empty before using

Browse Source 
It's common to disable Wayland by `WAYLAND_DISPLAY= <application>`.
This commit is contained in:
Kirill Chibisov
2023-10-19 17:03:15 +04:00
committed by GitHub
parent 880238a24f
commit b9e1e96eaa
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/platform_impl/linux/mod.rs
View File

@@ -752,11 +752,16 @@ impl<T: 'static> EventLoop<T> {
); );
} }
// NOTE: Wayland first because of X11 could be present under wayland as well. // NOTE: Wayland first because of X11 could be present under Wayland as well. Empty
// variables are also treated as not set.
let backend = match ( let backend = match (
attributes.forced_backend, attributes.forced_backend,
env::var("WAYLAND_DISPLAY").is_ok(), env::var("WAYLAND_DISPLAY")
env::var("DISPLAY").is_ok(), .map(|var| !var.is_empty())
.unwrap_or(false),
env::var("DISPLAY")
.map(|var| !var.is_empty())
.unwrap_or(false),
) { ) {
// User is forcing a backend. // User is forcing a backend.
(Some(backend), _, _) => backend, (Some(backend), _, _) => backend,