feat: add specific keyboard hook

flutter/lib/desktop/pages/remote_page.dart

@@ -630,8 +630,17 @@ class _RemotePageState extends State<RemotePage>
         id: widget.id,
       ));
     }
-    return Container(
+    paints.add(getHelpTools());
-        color: MyTheme.canvasColor, child: Stack(children: paints));
+    return MouseRegion(
+      onEnter: (evt) {
+          _ffi.bind.hostStopSystemKeyPropagate(stopped: false);
+        },
+      onExit: (evt) {
+          _ffi.bind.hostStopSystemKeyPropagate(stopped: true);
+        },
+      child: Container(
+          color: MyTheme.canvasColor, child: Stack(children: paints)),
+    );
   }
 
   int lastMouseDownButtons = 0;

flutter/macos/Runner/bridge_generated.h

@@ -21,6 +21,8 @@ void wire_rustdesk_core_main(int64_t port_);
 
 void wire_start_global_event_stream(int64_t port_);
 
+void wire_host_stop_system_key_propagate(int64_t port_, bool stopped);
+
 void wire_session_connect(int64_t port_, struct wire_uint_8_list *id, bool is_file_transfer);
 
 void wire_get_session_remember(int64_t port_, struct wire_uint_8_list *id);
@@ -170,6 +172,7 @@ static int64_t dummy_method_to_enforce_bundling(void) {
     int64_t dummy_var = 0;
     dummy_var ^= ((int64_t) (void*) wire_rustdesk_core_main);
     dummy_var ^= ((int64_t) (void*) wire_start_global_event_stream);
+    dummy_var ^= ((int64_t) (void*) wire_host_stop_system_key_propagate);
     dummy_var ^= ((int64_t) (void*) wire_session_connect);
     dummy_var ^= ((int64_t) (void*) wire_get_session_remember);
     dummy_var ^= ((int64_t) (void*) wire_get_session_toggle_option);

src/flutter_ffi.rs

@@ -69,6 +69,11 @@ pub fn start_global_event_stream(s: StreamSink<String>) -> ResultType<()> {
     Ok(())
 }
 
+pub fn host_stop_system_key_propagate(stopped: bool) {
+    #[cfg(windows)]
+    crate::platform::windows::stop_system_key_propagate(stopped);
+}
+
 pub fn session_connect(
     events2ui: StreamSink<EventToUI>,
     id: String,