Enable use of GAMESCOPE_WAYLAND_DISPLAY

rog-control-center/src/main.rs

@@ -1,4 +1,4 @@
-use std::env::args;
+use std::env::{self, args};
 use std::path::{Path, PathBuf};
 use std::process::exit;
 use std::sync::{Arc, Mutex};
@@ -32,6 +32,12 @@ async fn main() -> Result<()> {
         .format_timestamp(None)
         .init();
 
+    // If we're running under gamescope we have to set WAYLAND_DISPLAY for winit to
+    // use
+    if let Ok(gamescope) = env::var("GAMESCOPE_WAYLAND_DISPLAY") {
+        env::set_var("WAYLAND_DISPLAY", gamescope);
+    }
+
     // Try to open a proxy and check for app state first
     {
         let user_con = zbus::blocking::Connection::session()?;