Feat: Follow remote cursor and window focus | Auto display switch (#7717)

* feat: auto switch display on follow remote cursor

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* feat: auto switch display on follow remote window focus

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build and remove unused imports

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix linux get_focused_window_id

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* lock show remote cursor when follow remote cursor is enabled

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix config

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* prevent auto display switch on show all display and displays as individual windows

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix options

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix options

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* remove unused function

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* remove unwraps and improve iterations

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* set updateCursorPos to false to avoid interrupting remote cursor

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* update lang

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix web build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* update checks for options and enable in view mode

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use focused display index for window focus service

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use window center for windows display focused

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* remove unused imports

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use libxdo instead of xdotool

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix multi monitor check

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* enable show cursor when follow cursor is default

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* remove show_all_displays,use runtime state instead

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix show cursor lock state on default

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* remove view mode with follow options

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use separate message for follow current display

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix options

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* sciter support for follow remote cursor and window

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* add check for ui session handlers count

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use cached displays and remove peer info write

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* No follow options when show all displays

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* No follow options when multi ui session

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* turn off follow options when not used|prevent msgs

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use window center for switch in linux

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* use subbed display count to prevent switch msgs

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix web build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* move subbed displays count

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* fix build

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* add noperms for window focus

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* add subscribe for window focus

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* remove window_focus message and unsub on multi ui

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

* add multi ui session field

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>

---------

Signed-off-by: Sahil Yeole <sahilyeole93@gmail.com>
Co-authored-by: RustDesk <71636191+rustdesk@users.noreply.github.com>

flutter/lib/common/shared_state.dart

@@ -168,6 +168,29 @@ class ShowRemoteCursorState {
   static RxBool find(String id) => Get.find<RxBool>(tag: tag(id));
 }
 
+class ShowRemoteCursorLockState {
+  static String tag(String id) => 'show_remote_cursor_lock_$id';
+
+  static void init(String id) {
+    final key = tag(id);
+    if (!Get.isRegistered(tag: key)) {
+      final RxBool state = false.obs;
+      Get.put(state, tag: key);
+    } else {
+      Get.find<RxBool>(tag: key).value = false;
+    }
+  }
+
+  static void delete(String id) {
+    final key = tag(id);
+    if (Get.isRegistered(tag: key)) {
+      Get.delete(tag: key);
+    }
+  }
+
+  static RxBool find(String id) => Get.find<RxBool>(tag: tag(id));
+}
+
 class KeyboardEnabledState {
   static String tag(String id) => 'keyboard_enabled_$id';
 
@@ -315,6 +338,7 @@ initSharedStates(String id) {
   CurrentDisplayState.init(id);
   KeyboardEnabledState.init(id);
   ShowRemoteCursorState.init(id);
+  ShowRemoteCursorLockState.init(id);
   RemoteCursorMovedState.init(id);
   FingerprintState.init(id);
   PeerBoolOption.init(id, 'zoom-cursor', () => false);
@@ -327,6 +351,7 @@ removeSharedStates(String id) {
   BlockInputState.delete(id);
   CurrentDisplayState.delete(id);
   ShowRemoteCursorState.delete(id);
+  ShowRemoteCursorLockState.delete(id);
   KeyboardEnabledState.delete(id);
   RemoteCursorMovedState.delete(id);
   FingerprintState.delete(id);

flutter/lib/common/widgets/setting_widgets.dart

@@ -212,6 +212,8 @@ List<(String, String)> otherDefaultSettings() {
     if ((isDesktop || isWebDesktop)) ('show_monitors_tip', kKeyShowMonitorsToolbar),
     if ((isDesktop || isWebDesktop)) ('Collapse toolbar', 'collapse_toolbar'),
     ('Show remote cursor', 'show_remote_cursor'),
+    ('Follow remote cursor', 'follow_remote_cursor'),
+    ('Follow remote window focus', 'follow_remote_window'),
     if ((isDesktop || isWebDesktop)) ('Zoom cursor', 'zoom-cursor'),
     ('Show quality monitor', 'show_quality_monitor'),
     ('Mute', 'disable_audio'),

flutter/lib/common/widgets/toolbar.dart

@@ -371,7 +371,7 @@ Future<List<TRadioMenu<String>>> toolbarCodec(
   ];
 }
 
-Future<List<TToggleMenu>> toolbarDisplayToggle(
+Future<List<TToggleMenu>> toolbarCursor(
     BuildContext context, String id, FFI ffi) async {
   List<TToggleMenu> v = [];
   final ffiModel = ffi.ffiModel;
@@ -384,12 +384,17 @@ Future<List<TToggleMenu>> toolbarDisplayToggle(
       !ffi.canvasModel.cursorEmbedded &&
       !pi.isWayland) {
     final state = ShowRemoteCursorState.find(id);
+    final lockState = ShowRemoteCursorLockState.find(id);
     final enabled = !ffiModel.viewOnly;
     final option = 'show-remote-cursor';
+    if (pi.currentDisplay == kAllDisplayValue ||
+        bind.sessionIsMultiUiSession(sessionId: sessionId)) {
+      lockState.value = false;
+    }
     v.add(TToggleMenu(
         child: Text(translate('Show remote cursor')),
         value: state.value,
-        onChanged: enabled
+        onChanged: enabled && !lockState.value
             ? (value) async {
                 if (value == null) return;
                 await bind.sessionToggleOption(
@@ -399,6 +404,67 @@ Future<List<TToggleMenu>> toolbarDisplayToggle(
               }
             : null));
   }
+  // follow remote cursor
+  if (pi.platform != kPeerPlatformAndroid &&
+      !ffi.canvasModel.cursorEmbedded &&
+      !pi.isWayland &&
+      versionCmp(pi.version, "1.2.4") >= 0 &&
+      pi.displays.length > 1 &&
+      pi.currentDisplay != kAllDisplayValue &&
+      !bind.sessionIsMultiUiSession(sessionId: sessionId)) {
+    final option = 'follow-remote-cursor';
+    final value =
+        bind.sessionGetToggleOptionSync(sessionId: sessionId, arg: option);
+    final showCursorOption = 'show-remote-cursor';
+    final showCursorState = ShowRemoteCursorState.find(id);
+    final showCursorLockState = ShowRemoteCursorLockState.find(id);
+    final showCursorEnabled = bind.sessionGetToggleOptionSync(
+        sessionId: sessionId, arg: showCursorOption);
+    showCursorLockState.value = value;
+    if (value && !showCursorEnabled) {
+      await bind.sessionToggleOption(
+          sessionId: sessionId, value: showCursorOption);
+      showCursorState.value = bind.sessionGetToggleOptionSync(
+          sessionId: sessionId, arg: showCursorOption);
+    }
+    v.add(TToggleMenu(
+        child: Text(translate('Follow remote cursor')),
+        value: value,
+        onChanged: (value) async {
+          if (value == null) return;
+          await bind.sessionToggleOption(sessionId: sessionId, value: option);
+          value = bind.sessionGetToggleOptionSync(
+              sessionId: sessionId, arg: option);
+          showCursorLockState.value = value;
+          if (!showCursorEnabled) {
+            await bind.sessionToggleOption(
+                sessionId: sessionId, value: showCursorOption);
+            showCursorState.value = bind.sessionGetToggleOptionSync(
+                sessionId: sessionId, arg: showCursorOption);
+          }
+        }));
+  }
+  // follow remote window focus
+  if (pi.platform != kPeerPlatformAndroid &&
+      !ffi.canvasModel.cursorEmbedded &&
+      !pi.isWayland &&
+      versionCmp(pi.version, "1.2.4") >= 0 &&
+      pi.displays.length > 1 &&
+      pi.currentDisplay != kAllDisplayValue &&
+      !bind.sessionIsMultiUiSession(sessionId: sessionId)) {
+    final option = 'follow-remote-window';
+    final value =
+        bind.sessionGetToggleOptionSync(sessionId: sessionId, arg: option);
+    v.add(TToggleMenu(
+        child: Text(translate('Follow remote window focus')),
+        value: value,
+        onChanged: (value) async {
+          if (value == null) return;
+          await bind.sessionToggleOption(sessionId: sessionId, value: option);
+          value = bind.sessionGetToggleOptionSync(
+              sessionId: sessionId, arg: option);
+        }));
+  }
   // zoom cursor
   final viewStyle = await bind.sessionGetViewStyle(sessionId: sessionId) ?? '';
   if (!isMobile &&
@@ -417,6 +483,17 @@ Future<List<TToggleMenu>> toolbarDisplayToggle(
       },
     ));
   }
+  return v;
+}
+
+Future<List<TToggleMenu>> toolbarDisplayToggle(
+    BuildContext context, String id, FFI ffi) async {
+  List<TToggleMenu> v = [];
+  final ffiModel = ffi.ffiModel;
+  final pi = ffiModel.pi;
+  final perms = ffiModel.permissions;
+  final sessionId = ffi.sessionId;
+
   // show quality monitor
   final option = 'show-quality-monitor';
   v.add(TToggleMenu(

flutter/lib/desktop/widgets/remote_toolbar.dart

@@ -1045,7 +1045,6 @@ class _DisplayMenuState extends State<_DisplayMenu> {
   @override
   Widget build(BuildContext context) {
     _screenAdjustor.updateScreen();
-
     menuChildrenGetter() {
       final menuChildren = <Widget>[
         _screenAdjustor.adjustWindow(context),
@@ -1069,6 +1068,8 @@ class _DisplayMenuState extends State<_DisplayMenu> {
             ffi: widget.ffi,
           ),
         Divider(),
+        cursorToggles(),
+        Divider(),
         toggles(),
       ];
       // privacy mode
@@ -1212,6 +1213,23 @@ class _DisplayMenuState extends State<_DisplayMenu> {
         });
   }
 
+  cursorToggles() {
+    return futureBuilder(
+        future: toolbarCursor(context, id, ffi),
+        hasData: (data) {
+          final v = data as List<TToggleMenu>;
+          if (v.isEmpty) return Offstage();
+          return Column(
+              children: v
+                  .map((e) => CkbMenuButton(
+                      value: e.value,
+                      onChanged: e.onChanged,
+                      child: e.child,
+                      ffi: ffi))
+                  .toList());
+        });
+  }
+
   toggles() {
     return futureBuilder(
         future: toolbarDisplayToggle(context, id, ffi),

flutter/lib/mobile/pages/remote_page.dart

@@ -836,6 +836,7 @@ void showOptions(
   List<TRadioMenu<String>> imageQualityRadios =
       await toolbarImageQuality(context, id, gFFI);
   List<TRadioMenu<String>> codecRadios = await toolbarCodec(context, id, gFFI);
+  List<TToggleMenu> cursorToggles = await toolbarCursor(context, id, gFFI);
   List<TToggleMenu> displayToggles =
       await toolbarDisplayToggle(context, id, gFFI);
 
@@ -876,8 +877,23 @@ void showOptions(
             })),
       if (codecRadios.isNotEmpty) const Divider(color: MyTheme.border),
     ];
+    final rxCursorToggleValues = cursorToggles.map((e) => e.value.obs).toList();
+    final cursorTogglesList = cursorToggles
+        .asMap()
+        .entries
+        .map((e) => Obx(() => CheckboxListTile(
+            contentPadding: EdgeInsets.zero,
+            visualDensity: VisualDensity.compact,
+            value: rxCursorToggleValues[e.key].value,
+            onChanged: (v) {
+              e.value.onChanged?.call(v);
+              if (v != null) rxCursorToggleValues[e.key].value = v;
+            },
+            title: e.value.child)))
+        .toList();
+
     final rxToggleValues = displayToggles.map((e) => e.value.obs).toList();
-    final toggles = displayToggles
+    final displayTogglesList = displayToggles
         .asMap()
         .entries
         .map((e) => Obx(() => CheckboxListTile(
@@ -890,6 +906,11 @@ void showOptions(
             },
             title: e.value.child)))
         .toList();
+    final toggles = [
+      ...cursorTogglesList,
+      if (cursorToggles.isNotEmpty) const Divider(color: MyTheme.border),
+      ...displayTogglesList,
+    ];
 
     Widget privacyModeWidget = Offstage();
     if (privacyModeList.length > 1) {

flutter/lib/models/model.dart

@@ -367,6 +367,8 @@ class FfiModel with ChangeNotifier {
         }
       } else if (name == 'sync_peer_option') {
         _handleSyncPeerOption(evt, peerId);
+      } else if (name == 'follow_current_display') {
+        handleFollowCurrentDisplay(evt, sessionId, peerId);
       } else {
         debugPrint('Unknown event name: $name');
       }
@@ -440,7 +442,7 @@ class FfiModel with ChangeNotifier {
     }
   }
 
-  updateCurDisplay(SessionID sessionId, {updateCursorPos = true}) {
+  updateCurDisplay(SessionID sessionId, {updateCursorPos = false}) {
     final newRect = displaysRect();
     if (newRect == null) {
       return;
@@ -1040,9 +1042,30 @@ class FfiModel with ChangeNotifier {
         json.encode(_pi.platformAdditions);
   }
 
+  handleFollowCurrentDisplay(
+      Map<String, dynamic> evt, SessionID sessionId, String peerId) async {
+    if (evt['display_idx'] != null) {
+      if (pi.currentDisplay == kAllDisplayValue) {
+        return;
+      }
+      _pi.currentDisplay = int.parse(evt['display_idx']);
+      try {
+        CurrentDisplayState.find(peerId).value = _pi.currentDisplay;
+      } catch (e) {
+        //
+      }
+      bind.sessionSwitchDisplay(
+        isDesktop: isDesktop,
+        sessionId: sessionId,
+        value: Int32List.fromList([_pi.currentDisplay]),
+      );
+    }
+    notifyListeners();
+  }
+
   // Directly switch to the new display without waiting for the response.
   switchToNewDisplay(int display, SessionID sessionId, String peerId,
-      {bool updateCursorPos = true}) {
+      {bool updateCursorPos = false}) {
     // VideoHandler creation is upon when video frames are received, so either caching commands(don't know next width/height) or stopping recording when switching displays.
     parent.target?.recordingModel.onClose();
     // no need to wait for the response

flutter/lib/web/bridge.dart

@@ -346,6 +346,10 @@ class RustdeskImpl {
     return mode == kKeyLegacyMode;
   }
 
+  bool sessionIsMultiUiSession({required UuidValue sessionId, dynamic hint}) {
+    return false;
+  }
+
   Future<void> sessionSetCustomImageQuality(
       {required UuidValue sessionId, required int value, dynamic hint}) {
     return Future(() => js.context.callMethod('setByName', [

libs/hbb_common/protos/message.proto

@@ -603,6 +603,8 @@ message OptionMessage {
 // Resolution custom_resolution = 13;
 // BoolOption support_windows_specific_session = 14;
   // starting from 15 please, do not use removed fields
+  BoolOption follow_remote_cursor = 15;
+  BoolOption follow_remote_window = 16;
 }
 
 message TestDelay {
@@ -765,6 +767,7 @@ message Misc {
     uint32 selected_sid = 35;
     DisplayResolution change_display_resolution = 36;
     MessageQuery message_query = 37;
+    int32 follow_current_display = 38;
   }
 }
 

libs/hbb_common/src/config.rs

@@ -281,6 +281,10 @@ pub struct PeerConfig {
     pub enable_file_transfer: EnableFileTransfer,
     #[serde(flatten)]
     pub show_quality_monitor: ShowQualityMonitor,
+    #[serde(flatten)]
+    pub follow_remote_cursor: FollowRemoteCursor,
+    #[serde(flatten)]
+    pub follow_remote_window: FollowRemoteWindow,
     #[serde(
         default,
         deserialize_with = "deserialize_string",
@@ -353,6 +357,8 @@ impl Default for PeerConfig {
             disable_clipboard: Default::default(),
             enable_file_transfer: Default::default(),
             show_quality_monitor: Default::default(),
+            follow_remote_cursor: Default::default(),
+            follow_remote_window: Default::default(),
             keyboard_mode: Default::default(),
             view_only: Default::default(),
             reverse_mouse_wheel: Self::default_reverse_mouse_wheel(),
@@ -1258,6 +1264,19 @@ serde_field_bool!(
     default_show_remote_cursor,
     "ShowRemoteCursor::default_show_remote_cursor"
 );
+serde_field_bool!(
+    FollowRemoteCursor,
+    "follow_remote_cursor",
+    default_follow_remote_cursor,
+    "FollowRemoteCursor::default_follow_remote_cursor"
+);
+
+serde_field_bool!(
+    FollowRemoteWindow,
+    "follow_remote_window",
+    default_follow_remote_window,
+    "FollowRemoteWindow::default_follow_remote_window"
+);
 serde_field_bool!(
     ShowQualityMonitor,
     "show_quality_monitor",

src/client.rs

@@ -1456,6 +1456,22 @@ impl LoginConfigHandler {
                 BoolOption::No
             })
             .into();
+        } else if name == "follow-remote-cursor" {
+            config.follow_remote_cursor.v = !config.follow_remote_cursor.v;
+            option.follow_remote_cursor = (if config.follow_remote_cursor.v {
+                BoolOption::Yes
+            } else {
+                BoolOption::No
+            })
+            .into();
+        } else if name == "follow-remote-window" {
+            config.follow_remote_window.v = !config.follow_remote_window.v;
+            option.follow_remote_window = (if config.follow_remote_window.v {
+                BoolOption::Yes
+            } else {
+                BoolOption::No
+            })
+            .into();
         } else if name == "disable-audio" {
             config.disable_audio.v = !config.disable_audio.v;
             option.disable_audio = (if config.disable_audio.v {
@@ -1601,6 +1617,12 @@ impl LoginConfigHandler {
         if view_only || self.get_toggle_option("show-remote-cursor") {
             msg.show_remote_cursor = BoolOption::Yes.into();
         }
+        if self.get_toggle_option("follow-remote-cursor") {
+            msg.follow_remote_cursor = BoolOption::Yes.into();
+        }
+        if self.get_toggle_option("follow-remote-window") {
+            msg.follow_remote_window = BoolOption::Yes.into();
+        }
         if !view_only && self.get_toggle_option("lock-after-session-end") {
             msg.lock_after_session_end = BoolOption::Yes.into();
         }
@@ -1692,6 +1714,10 @@ impl LoginConfigHandler {
             self.config.allow_swap_key.v
         } else if name == "view-only" {
             self.config.view_only.v
+        } else if name == "follow-remote-cursor" {
+            self.config.follow_remote_cursor.v
+        } else if name == "follow-remote-window" {
+            self.config.follow_remote_window.v
         } else {
             !self.get_option(name).is_empty()
         }

src/client/io_loop.rs

@@ -1504,7 +1504,9 @@ impl<T: InvokeUiSession> Remote<T> {
                         log::info!("update supported encoding:{:?}", e);
                         self.handler.lc.write().unwrap().supported_encoding = e;
                     }
-
+                    Some(misc::Union::FollowCurrentDisplay(d_idx)) => {
+                        self.handler.set_current_display(d_idx);
+                    }
                     _ => {}
                 },
                 Some(message::Union::TestDelay(t)) => {

src/flutter.rs

@@ -882,6 +882,21 @@ impl InvokeUiSession for FlutterHandler {
         );
     }
 
+    fn is_multi_ui_session(&self) -> bool {
+        self.session_handlers.read().unwrap().len() > 1
+    }
+
+    fn set_current_display(&self, disp_idx: i32) {
+        if self.is_multi_ui_session() {
+            return;
+        }
+        self.push_event(
+            "follow_current_display",
+            &[("display_idx", &disp_idx.to_string())],
+            &[],
+        );
+    }
+
     fn on_connected(&self, _conn_type: ConnType) {}
 
     fn msgbox(&self, msgtype: &str, title: &str, text: &str, link: &str, retry: bool) {

src/flutter_ffi.rs

@@ -213,6 +213,14 @@ pub fn session_refresh(session_id: SessionID, display: usize) {
     }
 }
 
+pub fn session_is_multi_ui_session(session_id: SessionID) -> SyncReturn<bool> {
+    if let Some(session) = sessions::get_session_by_session_id(&session_id) {
+        SyncReturn(session.is_multi_ui_session())
+    } else {
+        SyncReturn(false)
+    }
+}
+
 pub fn session_record_screen(
     session_id: SessionID,
     start: bool,

src/lang/ar.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/bg.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ca.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/cn.rs

@@ -604,5 +604,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "打开 Web 控制台以执行更多操作"),
         ("allow-only-conn-window-open-tip", "仅当 RustDesk 窗口打开时允许连接"),
         ("no_need_privacy_mode_no_physical_displays_tip", "没有物理显示器，没必要使用隐私模式。"),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/cs.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Více na webové konzoli"),
         ("allow-only-conn-window-open-tip", "Povolit připojení pouze v případě, že je otevřené okno RustDesk"),
         ("no_need_privacy_mode_no_physical_displays_tip", "Žádné fyzické displeje, není třeba používat režim soukromí."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/da.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/de.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Mehr über Webkonsole"),
         ("allow-only-conn-window-open-tip", "Verbindung nur zulassen, wenn das RustDesk-Fenster geöffnet ist"),
         ("no_need_privacy_mode_no_physical_displays_tip", "Keine physischen Bildschirme; keine Notwendigkeit, den Datenschutzmodus zu verwenden."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/el.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/en.rs

@@ -222,5 +222,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "More on web console"),
         ("allow-only-conn-window-open-tip", "Only allow connection if RustDesk window is open"),
         ("no_need_privacy_mode_no_physical_displays_tip", "No physical displays, no need to use the privacy mode."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/eo.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/es.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Más en consola web"),
         ("allow-only-conn-window-open-tip", "Permitir la conexión solo si la ventana RusDesk está abierta"),
         ("no_need_privacy_mode_no_physical_displays_tip", "No hay pantallas físicas, no es necesario usar el modo privado."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/et.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/fa.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "اطلاعات بیشتر در کنسول وب"),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/fr.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/he.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/hr.rs

@@ -602,5 +602,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Više na web konzoli"),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/hu.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/id.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/it.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Altre info sulla console web"),
         ("allow-only-conn-window-open-tip", "Consenti la connessione solo se la finestra RustDesk è aperta"),
         ("no_need_privacy_mode_no_physical_displays_tip", "Nessun display fisico, nessuna necessità di usare la modalità privacy."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ja.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ko.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/kz.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/lt.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/lv.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Vairāk par tīmekļa konsoli"),
         ("allow-only-conn-window-open-tip", "Atļaut savienojumu tikai tad, ja ir atvērts RustDesk logs"),
         ("no_need_privacy_mode_no_physical_displays_tip", "Nav fizisku displeju, nav jāizmanto privātuma režīms."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/nb.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/nl.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Meer over de webconsole"),
         ("allow-only-conn-window-open-tip", "Alleen verbindingen toestaan als het RustDesk-venster geopend is"),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/pl.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Więcej w konsoli web"),
         ("allow-only-conn-window-open-tip", "Zezwalaj na połączenie tylko wtedy, gdy okno RustDesk jest otwarte"),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/pt_PT.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ptbr.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ro.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ru.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Больше в веб-консоли"),
         ("allow-only-conn-window-open-tip", "Разрешать подключение только при открытом окне RustDesk"),
         ("no_need_privacy_mode_no_physical_displays_tip", "Физические дисплеи отсутствуют, нет необходимости использовать режим конфиденциальности."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/sk.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Viac na webovej konzole"),
         ("allow-only-conn-window-open-tip", "Povoliť pripojenie iba vtedy, ak je otvorené okno aplikácie RustDesk"),
         ("no_need_privacy_mode_no_physical_displays_tip", "Žiadne fyzické displeje, nie je potrebné používať režim ochrany osobných údajov."),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/sl.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/sq.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/sr.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/sv.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/template.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/th.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/tr.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/tw.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "打開 Web 控制台以進行更多操作"),
         ("allow-only-conn-window-open-tip", "只在 RustDesk 視窗開啟時允許連接"),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/ua.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", "Детальніше про веб-консоль"),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lang/vn.rs

@@ -603,5 +603,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("ab_web_console_tip", ""),
         ("allow-only-conn-window-open-tip", ""),
         ("no_need_privacy_mode_no_physical_displays_tip", ""),
+        ("Follow remote cursor", ""),
+        ("Follow remote window focus", ""),
     ].iter().cloned().collect();
 }

src/lib.rs

@@ -3,7 +3,9 @@ mod keyboard;
 /// cbindgen:ignore
 pub mod platform;
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
-pub use platform::{get_cursor, get_cursor_data, get_cursor_pos, start_os_service};
+pub use platform::{
+    get_cursor, get_cursor_data, get_cursor_pos, get_focused_display, start_os_service,
+};
 #[cfg(not(any(target_os = "ios")))]
 /// cbindgen:ignore
 mod server;
@@ -36,15 +38,15 @@ pub mod flutter;
 #[cfg(any(target_os = "android", target_os = "ios", feature = "flutter"))]
 pub mod flutter_ffi;
 use common::*;
+mod auth_2fa;
 #[cfg(feature = "cli")]
 pub mod cli;
 #[cfg(not(any(target_os = "android", target_os = "ios", feature = "cli")))]
 pub mod core_main;
-mod lang;
 mod custom_server;
+mod lang;
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
 mod port_forward;
-mod auth_2fa;
 
 #[cfg(all(feature = "flutter", feature = "plugin_framework"))]
 #[cfg(not(any(target_os = "android", target_os = "ios")))]

src/platform/linux.rs

@@ -11,7 +11,7 @@ use hbb_common::{
     config::Config,
     libc::{c_char, c_int, c_long, c_void},
     log,
-    message_proto::Resolution,
+    message_proto::{DisplayInfo, Resolution},
     regex::{Captures, Regex},
 };
 use std::{
@@ -53,6 +53,20 @@ extern "C" {
         screen_num: *mut c_int,
     ) -> c_int;
     fn xdo_new(display: *const c_char) -> Xdo;
+    fn xdo_get_active_window(xdo: Xdo, window: *mut *mut c_void) -> c_int;
+    fn xdo_get_window_location(
+        xdo: Xdo,
+        window: *mut c_void,
+        x: *mut c_int,
+        y: *mut c_int,
+        screen_num: *mut c_int,
+    ) -> c_int;
+    fn xdo_get_window_size(
+        xdo: Xdo,
+        window: *mut c_void,
+        width: *mut c_int,
+        height: *mut c_int,
+    ) -> c_int;
 }
 
 #[link(name = "X11")]
@@ -119,6 +133,50 @@ pub fn get_cursor_pos() -> Option<(i32, i32)> {
 
 pub fn reset_input_cache() {}
 
+pub fn get_focused_display(displays: Vec<DisplayInfo>) -> Option<usize> {
+    let mut res = None;
+    XDO.with(|xdo| {
+        if let Ok(xdo) = xdo.try_borrow_mut() {
+            if xdo.is_null() {
+                return;
+            }
+            let mut x: c_int = 0;
+            let mut y: c_int = 0;
+            let mut width: c_int = 0;
+            let mut height: c_int = 0;
+            let mut window: *mut c_void = std::ptr::null_mut();
+
+            unsafe {
+                if xdo_get_active_window(*xdo, &mut window) != 0 {
+                    return;
+                }
+                if xdo_get_window_location(
+                    *xdo,
+                    window,
+                    &mut x as _,
+                    &mut y as _,
+                    std::ptr::null_mut(),
+                ) != 0
+                {
+                    return;
+                }
+                if xdo_get_window_size(*xdo, window, &mut width as _, &mut height as _) != 0 {
+                    return;
+                }
+                let center_x = x + width / 2;
+                let center_y = y + height / 2;
+                res = displays.iter().position(|d| {
+                    center_x >= d.x
+                        && center_x < d.x + d.width
+                        && center_y >= d.y
+                        && center_y < d.y + d.height
+                });
+            }
+        }
+    });
+    res
+}
+
 pub fn get_cursor() -> ResultType<Option<u64>> {
     let mut res = None;
     DISPLAY.with(|conn| {

src/platform/macos.rs

@@ -17,8 +17,13 @@ use core_graphics::{
     display::{kCGNullWindowID, kCGWindowListOptionOnScreenOnly, CGWindowListCopyWindowInfo},
     window::{kCGWindowName, kCGWindowOwnerPID},
 };
-use hbb_common::sysinfo::{Pid, Process, ProcessRefreshKind, System};
+use hbb_common::{
-use hbb_common::{anyhow::anyhow, bail, log, message_proto::Resolution};
+    allow_err,
+    anyhow::anyhow,
+    bail, log,
+    message_proto::{DisplayInfo, Resolution},
+    sysinfo::{Pid, Process, ProcessRefreshKind, System},
+};
 use include_dir::{include_dir, Dir};
 use objc::{class, msg_send, sel, sel_impl};
 use scrap::{libc::c_void, quartz::ffi::*};
@@ -302,6 +307,20 @@ pub fn get_cursor_pos() -> Option<(i32, i32)> {
     */
 }
 
+pub fn get_focused_display(displays: Vec<DisplayInfo>) -> Option<usize> {
+    unsafe {
+        let main_screen: id = msg_send![class!(NSScreen), mainScreen];
+        let screen: id = msg_send![main_screen, deviceDescription];
+        let id: id =
+            msg_send![screen, objectForKey: NSString::alloc(nil).init_str("NSScreenNumber")];
+        let display_name: u32 = msg_send![id, unsignedIntValue];
+
+        displays
+            .iter()
+            .position(|d| d.name == display_name.to_string())
+    }
+}
+
 pub fn get_cursor() -> ResultType<Option<u64>> {
     unsafe {
         let seed = CGSCurrentCursorSeed();

src/platform/windows.rs

@@ -12,7 +12,7 @@ use hbb_common::{
     bail,
     config::{self, Config},
     log,
-    message_proto::{Resolution, WindowsSession},
+    message_proto::{DisplayInfo, Resolution, WindowsSession},
     sleep, timeout, tokio,
 };
 use std::process::{Command, Stdio};
@@ -65,6 +65,24 @@ use windows_service::{
 use winreg::enums::*;
 use winreg::RegKey;
 
+pub fn get_focused_display(displays: Vec<DisplayInfo>) -> Option<usize> {
+    unsafe {
+        let hWnd = GetForegroundWindow();
+        let mut rect: RECT = mem::zeroed();
+        if GetWindowRect(hWnd, &mut rect as *mut RECT) == 0 {
+            return None;
+        }
+        displays.iter().position(|display| {
+            let center_x = rect.left + (rect.right - rect.left) / 2;
+            let center_y = rect.top + (rect.bottom - rect.top) / 2;
+            center_x >= display.x
+                && center_x <= display.x + display.width
+                && center_y >= display.y
+                && center_y <= display.y + display.height
+        })
+    }
+}
+
 pub fn get_cursor_pos() -> Option<(i32, i32)> {
     unsafe {
         #[allow(invalid_value)]

src/server.rs

@@ -50,6 +50,7 @@ pub const NAME: &'static str = "";
 pub mod input_service {
 pub const NAME_CURSOR: &'static str = "";
 pub const NAME_POS: &'static str = "";
+pub const NAME_WINDOW_FOCUS: &'static str = "";
 }
 }
 }
@@ -105,6 +106,7 @@ pub fn new() -> ServerPtr {
         if !display_service::capture_cursor_embedded() {
             server.add_service(Box::new(input_service::new_cursor()));
             server.add_service(Box::new(input_service::new_pos()));
+            server.add_service(Box::new(input_service::new_window_focus()));
         }
     }
     Arc::new(RwLock::new(server))
@@ -354,6 +356,15 @@ impl Server {
         }
     }
 
+    fn get_subbed_displays_count(&self, conn_id: i32) -> usize {
+        self.services
+            .keys()
+            .filter(|k| {
+                Self::is_video_service_name(k) && self.services.get(*k).unwrap().is_subed(conn_id)
+            })
+            .count()
+    }
+
     fn capture_displays(
         &mut self,
         conn: ConnInner,

src/server/connection.rs

@@ -31,8 +31,7 @@ use hbb_common::platform::linux::run_cmds;
 use hbb_common::protobuf::EnumOrUnknown;
 use hbb_common::{
     config::Config,
-    fs,
+    fs::{self, can_enable_overwrite_detection},
-    fs::can_enable_overwrite_detection,
     futures::{SinkExt, StreamExt},
     get_time, get_version_number,
     message_proto::{option_message::BoolOption, permission_info::Permission},
@@ -241,6 +240,9 @@ pub struct Connection {
     delayed_read_dir: Option<(String, bool)>,
     #[cfg(target_os = "macos")]
     retina: Retina,
+    follow_remote_cursor: bool,
+    follow_remote_window: bool,
+    multi_ui_session: bool,
 }
 
 impl ConnInner {
@@ -348,6 +350,9 @@ impl Connection {
             network_delay: 0,
             lock_after_session_end: false,
             show_remote_cursor: false,
+            follow_remote_cursor: false,
+            follow_remote_window: false,
+            multi_ui_session: false,
             ip: "".to_owned(),
             disable_audio: false,
             #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
@@ -666,8 +671,14 @@ impl Connection {
                             #[cfg(target_os = "macos")]
                             conn.retina.set_displays(&_pi.displays);
                         }
-                        #[cfg(target_os = "macos")]
                         Some(message::Union::CursorPosition(pos)) => {
+                            #[cfg(not(any(target_os = "android", target_os = "ios")))]
+                            {
+                                if conn.follow_remote_cursor {
+                                    conn.handle_cursor_switch_display(pos.clone()).await;
+                                }
+                            }
+                            #[cfg(target_os = "macos")]
                             if let Some(new_msg) = conn.retina.on_cursor_pos(&pos, conn.display_idx) {
                                 msg = Arc::new(new_msg);
                             }
@@ -1308,6 +1319,9 @@ impl Connection {
                 if !self.show_remote_cursor {
                     noperms.push(NAME_POS);
                 }
+                if !self.follow_remote_window {
+                    noperms.push(NAME_WINDOW_FOCUS);
+                }
                 if !self.clipboard_enabled() || !self.peer_keyboard_enabled() {
                     noperms.push(super::clipboard_service::NAME);
                 }
@@ -2581,6 +2595,14 @@ impl Connection {
             } else {
                 lock.capture_displays(self.inner.clone(), set, true, true);
             }
+            self.multi_ui_session = lock.get_subbed_displays_count(self.inner.id()) > 1;
+            if self.follow_remote_window {
+                lock.subscribe(
+                    NAME_WINDOW_FOCUS,
+                    self.inner.clone(),
+                    !self.multi_ui_session,
+                );
+            }
             drop(lock);
         }
     }
@@ -2766,6 +2788,24 @@ impl Connection {
                 }
             }
         }
+        #[cfg(not(any(target_os = "android", target_os = "ios")))]
+        if let Ok(q) = o.follow_remote_cursor.enum_value() {
+            if q != BoolOption::NotSet {
+                self.follow_remote_cursor = q == BoolOption::Yes;
+            }
+        }
+        if let Ok(q) = o.follow_remote_window.enum_value() {
+            if q != BoolOption::NotSet {
+                self.follow_remote_window = q == BoolOption::Yes;
+                if let Some(s) = self.server.upgrade() {
+                    s.write().unwrap().subscribe(
+                        NAME_WINDOW_FOCUS,
+                        self.inner.clone(),
+                        self.follow_remote_window,
+                    );
+                }
+            }
+        }
         if let Ok(q) = o.disable_audio.enum_value() {
             if q != BoolOption::NotSet {
                 self.disable_audio = q == BoolOption::Yes;
@@ -3126,6 +3166,30 @@ impl Connection {
         self.inner.send(msg.into());
         self.supported_encoding_flag = (true, not_use);
     }
+
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    async fn handle_cursor_switch_display(&mut self, pos: CursorPosition) {
+        if self.multi_ui_session {
+            return;
+        }
+        let displays = super::display_service::get_sync_displays();
+        let d_index = displays.iter().position(|d| {
+            let scale = d.scale;
+            pos.x >= d.x
+                && pos.y >= d.y
+                && (pos.x - d.x) as f64 * scale < d.width as f64
+                && (pos.y - d.y) as f64 * scale < d.height as f64
+        });
+        if let Some(d_index) = d_index {
+            if self.display_idx != d_index {
+                let mut misc = Misc::new();
+                misc.set_follow_current_display(d_index as i32);
+                let mut msg_out = Message::new();
+                msg_out.set_misc(misc);
+                self.send(msg_out).await;
+            }
+        }
+    }
 }
 
 pub fn insert_switch_sides_uuid(id: String, uuid: uuid::Uuid) {

src/server/display_service.rs

@@ -258,7 +258,6 @@ pub(super) fn get_original_resolution(
     .into()
 }
 
-#[cfg(target_os = "linux")]
 pub(super) fn get_sync_displays() -> Vec<DisplayInfo> {
     SYNC_DISPLAYS.lock().unwrap().displays.clone()
 }

src/server/input_service.rs

@@ -28,6 +28,7 @@ use std::{
 use winapi::um::winuser::WHEEL_DELTA;
 
 const INVALID_CURSOR_POS: i32 = i32::MIN;
+const INVALID_DISPLAY_IDX: i32 = -1;
 
 #[derive(Default)]
 struct StateCursor {
@@ -74,6 +75,29 @@ impl StatePos {
     }
 }
 
+#[derive(Default)]
+struct StateWindowFocus {
+    display_idx: i32,
+}
+
+impl super::service::Reset for StateWindowFocus {
+    fn reset(&mut self) {
+        self.display_idx = INVALID_DISPLAY_IDX;
+    }
+}
+
+impl StateWindowFocus {
+    #[inline]
+    fn is_valid(&self) -> bool {
+        self.display_idx != INVALID_DISPLAY_IDX
+    }
+
+    #[inline]
+    fn is_changed(&self, disp_idx: i32) -> bool {
+        self.is_valid() && self.display_idx != disp_idx
+    }
+}
+
 #[derive(Default, Clone, Copy)]
 struct Input {
     conn: i32,
@@ -238,6 +262,7 @@ fn should_disable_numlock(evt: &KeyEvent) -> bool {
 
 pub const NAME_CURSOR: &'static str = "mouse_cursor";
 pub const NAME_POS: &'static str = "mouse_pos";
+pub const NAME_WINDOW_FOCUS: &'static str = "window_focus";
 #[derive(Clone)]
 pub struct MouseCursorService {
     pub sp: ServiceTmpl<MouseCursorSub>,
@@ -277,6 +302,12 @@ pub fn new_pos() -> GenericService {
     svc.sp
 }
 
+pub fn new_window_focus() -> GenericService {
+    let svc = EmptyExtraFieldService::new(NAME_WINDOW_FOCUS.to_owned(), false);
+    GenericService::repeat::<StateWindowFocus, _, _>(&svc.clone(), 33, run_window_focus);
+    svc.sp
+}
+
 #[inline]
 fn update_last_cursor_pos(x: i32, y: i32) {
     let mut lock = LATEST_SYS_CURSOR_POS.lock().unwrap();
@@ -352,6 +383,22 @@ fn run_cursor(sp: MouseCursorService, state: &mut StateCursor) -> ResultType<()>
     Ok(())
 }
 
+fn run_window_focus(sp: EmptyExtraFieldService, state: &mut StateWindowFocus) -> ResultType<()> {
+    let displays = super::display_service::get_sync_displays();
+    let disp_idx = crate::get_focused_display(displays);
+    if let Some(disp_idx) = disp_idx.map(|id| id as i32) {
+        if state.is_changed(disp_idx) {
+            let mut misc = Misc::new();
+            misc.set_follow_current_display(disp_idx as i32);
+            let mut msg_out = Message::new();
+            msg_out.set_misc(misc);
+            sp.send(msg_out);
+        }
+        state.display_idx = disp_idx;
+    }
+    Ok(())
+}
+
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
 enum KeysDown {
     RdevKey(RawKey),
@@ -424,12 +471,15 @@ struct VirtualInputState {
 #[cfg(target_os = "macos")]
 impl VirtualInputState {
     fn new() -> Option<Self> {
-        VirtualInput::new(CGEventSourceStateID::CombinedSessionState, CGEventTapLocation::Session)
+        VirtualInput::new(
-            .map(|virtual_input| Self {
+            CGEventSourceStateID::CombinedSessionState,
-                virtual_input,
+            CGEventTapLocation::Session,
-                capslock_down: false,
+        )
-            })
+        .map(|virtual_input| Self {
-            .ok()
+            virtual_input,
+            capslock_down: false,
+        })
+        .ok()
     }
 
     #[inline]

src/ui/header.tis

@@ -194,6 +194,8 @@ class Header: Reactor.Component {
                 </div> : ""}
                 <div .separator />
                 {!cursor_embedded && <li #show-remote-cursor .toggle-option><span>{svg_checkmark}</span>{translate('Show remote cursor')}</li>}
+                {<li #follow-remote-cursor .toggle-option><span>{svg_checkmark}</span>{translate('Follow remote cursor')}</li>}
+                {<li #follow-remote-window .toggle-option><span>{svg_checkmark}</span>{translate('Follow remote window focus')}</li>}
                 <li #show-quality-monitor .toggle-option><span>{svg_checkmark}</span>{translate('Show quality monitor')}</li> 
                 {audio_enabled ? <li #disable-audio .toggle-option><span>{svg_checkmark}</span>{translate('Mute')}</li> : ""}
                 {(is_win && pi.platform == "Windows") && file_enabled ? <li #enable-file-transfer .toggle-option><span>{svg_checkmark}</span>{translate('Enable file copy and paste')}</li> : ""}
@@ -479,7 +481,7 @@ function toggleMenuState() {
     for (var el in $$(menu#keyboard-options>li)) {
         el.attributes.toggleClass("selected", values.indexOf(el.id) >= 0);
     }
-    for (var id in ["show-remote-cursor", "show-quality-monitor", "disable-audio", "enable-file-transfer", "disable-clipboard", "lock-after-session-end", "allow_swap_key", "i444"]) {
+    for (var id in ["show-remote-cursor", "follow-remote-cursor", "follow-remote-window", "show-quality-monitor", "disable-audio", "enable-file-transfer", "disable-clipboard", "lock-after-session-end", "allow_swap_key", "i444"]) {
         var el = self.select('#' + id);
         if (el) {
             var value = handler.get_toggle_option(id);
@@ -538,6 +540,15 @@ handler.setMultipleWindowsSession = function(sessions) {
     });
 }
 
+handler.setCurrentDisplay = function(v) {
+    pi.current_display = v;
+    handler.switch_display(v);
+    header.update();
+    if (is_port_forward) {
+        view.windowState = View.WINDOW_MINIMIZED;
+    }
+}
+
 function updatePrivacyMode() {
     var el = $(li#privacy-mode);
     if (el) {

src/ui/remote.rs

@@ -259,6 +259,10 @@ impl InvokeUiSession for SciterHandler {
         // Ignore for sciter version.
     }
 
+    fn set_current_display(&self, _disp_idx: i32) {
+        self.call("setCurrentDisplay", &make_args!(_disp_idx));
+    }
+
     fn set_multiple_windows_session(&self, sessions: Vec<WindowsSession>) {
         let mut v = Value::array(0);
         let mut sessions = sessions;

src/ui_session_interface.rs

@@ -192,6 +192,11 @@ impl<T: InvokeUiSession> Session<T> {
         self.lc.read().unwrap().conn_type.eq(&ConnType::RDP)
     }
 
+    #[cfg(feature = "flutter")]
+    pub fn is_multi_ui_session(&self) -> bool {
+        self.ui_handler.is_multi_ui_session()
+    }
+
     pub fn get_view_style(&self) -> String {
         self.lc.read().unwrap().view_style.clone()
     }
@@ -1378,6 +1383,9 @@ pub trait InvokeUiSession: Send + Sync + Clone + 'static + Sized + Default {
     #[cfg(all(feature = "vram", feature = "flutter"))]
     fn on_texture(&self, display: usize, texture: *mut c_void);
     fn set_multiple_windows_session(&self, sessions: Vec<WindowsSession>);
+    fn set_current_display(&self, disp_idx: i32);
+    #[cfg(feature = "flutter")]
+    fn is_multi_ui_session(&self) -> bool;
 }
 
 impl<T: InvokeUiSession> Deref for Session<T> {