listen flutter key event when there's no input monitor permission

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/common/widgets/remote_input.dart

@@ -1,8 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_hbb/models/state_model.dart';
 
-import '../../common.dart';
 import '../../models/input_model.dart';
 
 class RawKeyFocusScope extends StatelessWidget {
@@ -20,13 +18,6 @@ class RawKeyFocusScope extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final FocusOnKeyCallback? onKey;
-    if (isAndroid) {
-      onKey = inputModel.handleRawKeyEvent;
-    } else {
-      onKey = stateGlobal.grabKeyboard ? inputModel.handleRawKeyEvent : null;
-    }
-
     return FocusScope(
         autofocus: true,
         child: Focus(
@@ -34,7 +25,7 @@ class RawKeyFocusScope extends StatelessWidget {
             canRequestFocus: true,
             focusNode: focusNode,
             onFocusChange: onFocusChange,
-            onKey: onKey,
+            onKey: inputModel.handleRawKeyEvent,
             child: child));
   }
 }

flutter/lib/consts.dart

@@ -20,6 +20,7 @@ const String kAppTypeDesktopPortForward = "port forward";
 
 const String kWindowMainWindowOnTop = "main_window_on_top";
 const String kWindowGetWindowInfo = "get_window_info";
+const String kWindowDisableGrabKeyboard = "disable_grab_keyboard";
 const String kWindowActionRebuild = "rebuild";
 const String kWindowEventHide = "hide";
 const String kWindowEventShow = "show";

flutter/lib/desktop/pages/desktop_home_page.dart

@@ -14,6 +14,7 @@ import 'package:flutter_hbb/desktop/pages/desktop_tab_page.dart';
 import 'package:flutter_hbb/desktop/widgets/scroll_wrapper.dart';
 import 'package:flutter_hbb/models/platform_model.dart';
 import 'package:flutter_hbb/models/server_model.dart';
+import 'package:flutter_hbb/models/state_model.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:get/get.dart';
 import 'package:provider/provider.dart';
@@ -498,6 +499,10 @@ class _DesktopHomePageState extends State<DesktopHomePage>
       if (watchIsInputMonitoring) {
         if (bind.mainIsCanInputMonitoring(prompt: false)) {
           watchIsInputMonitoring = false;
+          // Do not notify for now.
+          // Monitoring may not take effect until the process is restarted.
+          // rustDeskWinManager.call(
+          //     WindowType.RemoteDesktop, kWindowDisableGrabKeyboard, '');
           setState(() {});
         }
       }

flutter/lib/desktop/pages/remote_tab_page.dart

@@ -111,6 +111,8 @@ class _ConnectionTabPageState extends State<ConnectionTabPage> {
             forceRelay: args['forceRelay'],
           ),
         ));
+      } else if (call.method == kWindowDisableGrabKeyboard) {
+        stateGlobal.grabKeyboard = false;
       } else if (call.method == "onDestroy") {
         tabController.clear();
       } else if (call.method == kWindowActionRebuild) {

flutter/lib/desktop/widgets/remote_menubar.dart

@@ -650,6 +650,12 @@ class _RemoteMenubarState extends State<RemoteMenubar> {
   }
 
   Widget _buildKeyboard(BuildContext context) {
+    // Do not support peer 1.1.9.
+    if (Platform.isMacOS && stateGlobal.grabKeyboard) {
+      bind.sessionSetKeyboardMode(id: widget.id, value: 'map');
+      return Offstage();
+    }
+
     FfiModel ffiModel = Provider.of<FfiModel>(context);
     if (ffiModel.permissions['keyboard'] == false) {
       return Offstage();

flutter/lib/models/input_model.dart

@@ -58,6 +58,10 @@ class InputModel {
   InputModel(this.parent);
 
   KeyEventResult handleRawKeyEvent(FocusNode data, RawKeyEvent e) {
+    if (!stateGlobal.grabKeyboard) {
+      return KeyEventResult.handled;
+    }
+
     // * Currently mobile does not enable map mode
     if (isDesktop) {
       bind.sessionGetKeyboardMode(id: id).then((result) {

src/flutter_ffi.rs

@@ -1,13 +1,13 @@
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+use crate::common::get_default_sound_input;
 use crate::{
     client::file_trait::FileManager,
-    common::make_fd_to_json,
     common::is_keyboard_mode_supported,
+    common::make_fd_to_json,
     flutter::{self, SESSIONS},
     flutter::{session_add, session_start_},
     ui_interface::{self, *},
 };
-#[cfg(not(any(target_os = "android", target_os = "ios")))]
-use crate::common::get_default_sound_input;
 use flutter_rust_bridge::{StreamSink, SyncReturn};
 use hbb_common::{
     config::{self, LocalConfig, PeerConfig, ONLINE},
@@ -1181,6 +1181,9 @@ pub fn main_start_grab_keyboard() -> SyncReturn<bool> {
         return SyncReturn(false);
     }
     crate::keyboard::client::start_grab_loop();
+    if !is_can_input_monitoring(false) {
+        return SyncReturn(false);
+    }
     SyncReturn(true)
 }