Fix: Copy register handling for cagire-desktop (Linux)

src/input_egui.rs

@@ -40,6 +40,12 @@ fn convert_event(event: &egui::Event) -> Option<KeyEvent> {
             }
             None
         }
+        // egui intercepts Ctrl+C/V/X and converts them to these high-level events
+        // instead of passing through raw Key events (see egui issue #4065).
+        // Synthesize the equivalent KeyEvent so the application's input handler receives them.
+        egui::Event::Copy => Some(KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL)),
+        egui::Event::Cut => Some(KeyEvent::new(KeyCode::Char('x'), KeyModifiers::CONTROL)),
+        egui::Event::Paste(_) => Some(KeyEvent::new(KeyCode::Char('v'), KeyModifiers::CONTROL)),
         _ => None,
     }
 }