[update] Sane error message on missing scrcpy.

If invoking compositor doesn't implement ZwlrScreencopy, panic with a sane error message.
waycrate · May 14, 2022 · 6b67b97 · 6b67b97
1 parent e03feb5
commit 6b67b97
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/backend.rs b/src/backend.rs
@@ -109,7 +109,13 @@ pub fn capture_output_frame(
     let frame_buffer_done = Rc::new(AtomicBool::new(false));
 
     // Instantiating screencopy manager.
-    let screencopy_manager = globals.instantiate_exact::<ZwlrScreencopyManagerV1>(3)?;
+    let screencopy_manager = match globals.instantiate_exact::<ZwlrScreencopyManagerV1>(3) {
+        Ok(x) => x,
+        Err(e) => {
+            log::error!("Failed to create screencopy manager. Does your compositor implement ZwlrScreencopy?");
+            panic!("{:#?}", e);
+        }
+    };
 
     // Instantiating the image frame.
     let frame: Main<ZwlrScreencopyFrameV1>;