From d3023f5e5a2bea04ffecfd7f3c5b73d9696e1b53 Mon Sep 17 00:00:00 2001
From: Timon Schelling <me@timon.zip>
Date: Sat, 26 Jul 2025 17:40:53 +0000
Subject: [PATCH] tell cef to use wayland if available

---
 desktop/src/cef/internal/app.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/desktop/src/cef/internal/app.rs b/desktop/src/cef/internal/app.rs
index 5da815d162..1ec22d6ec8 100644
--- a/desktop/src/cef/internal/app.rs
+++ b/desktop/src/cef/internal/app.rs
@@ -1,3 +1,5 @@
+use std::env;
+
 use cef::rc::{Rc, RcImpl};
 use cef::sys::{_cef_app_t, cef_base_ref_counted_t};
 use cef::{BrowserProcessHandler, CefString, ImplApp, ImplCommandLine, SchemeRegistrar, WrapApp};
@@ -34,6 +36,20 @@ impl<H: CefEventHandler + Clone> ImplApp for AppImpl<H> {
 			// Disable GPU acceleration, because it is not supported for Offscreen Rendering and can cause crashes.
 			cmd.append_switch(Some(&CefString::from("disable-gpu")));
 			cmd.append_switch(Some(&CefString::from("disable-gpu-compositing")));
+
+			// Tell CEF to use Wayland if available
+			#[cfg(not(any(target_os = "macos", target_os = "windows")))]
+			{
+				let use_wayland = env::var("WAYLAND_DISPLAY")
+					.ok()
+					.filter(|var| !var.is_empty())
+					.or_else(|| env::var("WAYLAND_SOCKET").ok())
+					.filter(|var| !var.is_empty())
+					.is_some();
+				if use_wayland {
+					cmd.append_switch_with_value(Some(&CefString::from("ozone-platform")), Some(&CefString::from("wayland")));
+				}
+			}
 		}
 	}