Trackpad speed, user default value

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/lib/common/widgets/dialog.dart

@@ -1624,29 +1624,14 @@ customImageQualityDialog(SessionID sessionId, String id, FFI ffi) async {
 }
 
 trackpadSpeedDialog(SessionID sessionId, FFI ffi) async {
-  final speed = await bind.sessionGetFlutterOption(
-      sessionId: sessionId, k: kKeyTrackpadSpeed);
-  var initSpeed = kDefaultTrackpadSpeed;
-  if (speed != null && speed.isNotEmpty) {
-    try {
-      initSpeed = double.parse(speed);
-    } catch (e) {
-      debugPrint('Failed to parse the trackpad speed, "$speed": $e');
-    }
-  }
-  if (initSpeed < kMinTrackpadSpeed || initSpeed > kMaxTrackpadSpeed) {
-    initSpeed = kDefaultTrackpadSpeed;
-  }
-
+  int initSpeed = ffi.inputModel.trackpadSpeed;
   final curSpeed = SimpleWrapper(initSpeed);
   final btnClose = dialogButton('Close', onPressed: () async {
     if (curSpeed.value <= kMaxTrackpadSpeed &&
         curSpeed.value >= kMinTrackpadSpeed &&
-        (curSpeed.value - initSpeed).abs() > 0.01) {
-      await bind.sessionSetFlutterOption(
-          sessionId: sessionId,
-          k: kKeyTrackpadSpeed,
-          v: curSpeed.value.toString());
+        curSpeed.value != initSpeed) {
+      await bind.sessionSetTrackpadSpeed(
+          sessionId: sessionId, value: curSpeed.value);
       await ffi.inputModel.updateTrackpadSpeed();
     }
     ffi.dialogManager.dismissAll();

flutter/lib/common/widgets/setting_widgets.dart

@@ -250,9 +250,11 @@ List<(String, String)> otherDefaultSettings() {
 }
 
 class TrackpadSpeedWidget extends StatefulWidget {
-  final SimpleWrapper<double> value;
+  final SimpleWrapper<int> value;
+  // If null, no debouncer will be applied.
+  final Function(int)? onDebouncer;
 
-  TrackpadSpeedWidget({Key? key, required this.value});
+  TrackpadSpeedWidget({Key? key, required this.value, this.onDebouncer});
 
   @override
   TrackpadSpeedWidgetState createState() => TrackpadSpeedWidgetState();
@@ -260,33 +262,47 @@ class TrackpadSpeedWidget extends StatefulWidget {
 
 class TrackpadSpeedWidgetState extends State<TrackpadSpeedWidget> {
   final TextEditingController _controller = TextEditingController();
+  late final Debouncer<int> debouncerSpeed;
 
-  set value(double v) => widget.value.value = v;
-  double get value => widget.value.value;
+  set value(int v) => widget.value.value = v;
+  int get value => widget.value.value;
 
-  void updateValue(double newValue) {
+  void updateValue(int newValue) {
     setState(() {
       value = newValue.clamp(kMinTrackpadSpeed, kMaxTrackpadSpeed);
       // Scale the trackpad speed value to a percentage for display purposes.
-      _controller.text = ((value * 100.0).round()).toString();
+      _controller.text = value.toString();
+      if (widget.onDebouncer != null) {
+        debouncerSpeed.setValue(value);
+      }
     });
   }
 
+  @override
+  void initState() {
+    super.initState();
+    debouncerSpeed = Debouncer<int>(
+      Duration(milliseconds: 1000),
+      onChanged: widget.onDebouncer,
+      initialValue: widget.value.value,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     if (_controller.text.isEmpty) {
-      _controller.text = ((value * 100.0).round()).toString();
+      _controller.text = value.toString();
     }
     return Row(
       children: [
         Expanded(
           flex: 3,
           child: Slider(
-            value: value,
-            min: kMinTrackpadSpeed,
-            max: kMaxTrackpadSpeed,
-            divisions: ((kMaxTrackpadSpeed - kMinTrackpadSpeed) / 0.1).round(),
-            onChanged: (double v) => updateValue(v),
+            value: value.toDouble(),
+            min: kMinTrackpadSpeed.toDouble(),
+            max: kMaxTrackpadSpeed.toDouble(),
+            divisions: ((kMaxTrackpadSpeed - kMinTrackpadSpeed) / 10).round(),
+            onChanged: (double v) => updateValue(v.round()),
           ),
         ),
         Expanded(
@@ -302,7 +318,7 @@ class TrackpadSpeedWidgetState extends State<TrackpadSpeedWidget> {
                     onSubmitted: (text) {
                       int? v = int.tryParse(text);
                       if (v != null) {
-                        updateValue(v.toDouble() / 100.0);
+                        updateValue(v);
                       }
                     },
                     style: const TextStyle(fontSize: 13),

flutter/lib/consts.dart

@@ -228,9 +228,9 @@ const double kMaxMoreQuality = 2000;
 
 // trackpad speed
 const String kKeyTrackpadSpeed = 'trackpad-speed';
-const double kMinTrackpadSpeed = 0.1;
-const double kDefaultTrackpadSpeed = 1.0;
-const double kMaxTrackpadSpeed = 10;
+const int kMinTrackpadSpeed = 10;
+const int kDefaultTrackpadSpeed = 100;
+const int kMaxTrackpadSpeed = 1000;
 
 // incomming (should be incoming) is kept, because change it will break the previous setting.
 const String kKeyPrinterIncomingJobAction = 'printer-incomming-job-action';

flutter/lib/desktop/pages/desktop_setting_page.dart

@@ -76,7 +76,9 @@ class DesktopSettingPage extends StatefulWidget {
     if (!isWeb && !bind.isIncomingOnly() && bind.pluginFeatureIsEnabled())
       SettingsTabKey.plugin,
     if (!bind.isDisableAccount()) SettingsTabKey.account,
-    if (isWindows && bind.mainGetBuildinOption(key: kOptionHideRemotePrinterSetting) != 'Y') SettingsTabKey.printer,
+    if (isWindows &&
+        bind.mainGetBuildinOption(key: kOptionHideRemotePrinterSetting) != 'Y')
+      SettingsTabKey.printer,
     SettingsTabKey.about,
   ];
 
@@ -1602,6 +1604,7 @@ class _DisplayState extends State<_Display> {
       scrollStyle(context),
       imageQuality(context),
       codec(context),
+      if (isDesktop) trackpadSpeed(context),
       if (!isWeb) privacyModeImpl(context),
       other(context),
     ]).marginOnly(bottom: _kListViewBottomMargin);
@@ -1689,6 +1692,26 @@ class _DisplayState extends State<_Display> {
     ]);
   }
 
+  Widget trackpadSpeed(BuildContext context) {
+    final initSpeed = (int.tryParse(
+            bind.mainGetUserDefaultOption(key: kKeyTrackpadSpeed)) ??
+        kDefaultTrackpadSpeed);
+    final curSpeed = SimpleWrapper(initSpeed);
+    void onDebouncer(int v) {
+      bind.mainSetUserDefaultOption(
+          key: kKeyTrackpadSpeed, value: v.toString());
+      // It's better to notify all sessions that the default speed is changed.
+      // But it may also be ok to take effect in the next connection.
+    }
+
+    return _Card(title: 'Default trackpad speed', children: [
+      TrackpadSpeedWidget(
+        value: curSpeed,
+        onDebouncer: onDebouncer,
+      ),
+    ]);
+  }
+
   Widget codec(BuildContext context) {
     onChanged(String value) async {
       await bind.mainSetUserDefaultOption(

flutter/lib/models/input_model.dart

@@ -348,7 +348,8 @@ class InputModel {
   final _trackpadAdjustPeerLinux = 0.06;
   // This is an experience value.
   final _trackpadAdjustMacToWin = 2.50;
-  double _trackpadSpeed = kDefaultTrackpadSpeed;
+  int _trackpadSpeed = kDefaultTrackpadSpeed;
+  double _trackpadSpeedInner = kDefaultTrackpadSpeed / 100.0;
   var _trackpadScrollUnsent = Offset.zero;
 
   var _lastScale = 1.0;
@@ -372,6 +373,7 @@ class InputModel {
   bool get isViewOnly => parent.target!.ffiModel.viewOnly;
   double get devicePixelRatio => parent.target!.canvasModel.devicePixelRatio;
   bool get isViewCamera => parent.target!.connType == ConnType.viewCamera;
+  int get trackpadSpeed => _trackpadSpeed;
 
   InputModel(this.parent) {
     sessionId = parent.target!.sessionId;
@@ -387,33 +389,26 @@ class InputModel {
     }
   }
 
-  /// Updates the trackpad speed based on the session option value.
-  /// 
-  /// This function retrieves the trackpad speed setting from the session
-  /// using `sessionGetFlutterOption`. The expected format of the retrieved
-  /// value is a string that can be parsed into a double. If parsing fails
-  /// or the value is out of bounds (less than `kMinTrackpadSpeed` or greater
+  /// Updates the trackpad speed based on the session value.
+  ///
+  /// The expected format of the retrieved value is a string that can be parsed into a double.
+  /// If parsing fails or the value is out of bounds (less than `kMinTrackpadSpeed` or greater
   /// than `kMaxTrackpadSpeed`), the trackpad speed is reset to the default
   /// value (`kDefaultTrackpadSpeed`).
-  /// 
+  ///
   /// Bounds:
   /// - Minimum: `kMinTrackpadSpeed`
   /// - Maximum: `kMaxTrackpadSpeed`
   /// - Default: `kDefaultTrackpadSpeed`
   Future<void> updateTrackpadSpeed() async {
-    final speed = await bind.sessionGetFlutterOption(
-        sessionId: sessionId, k: kKeyTrackpadSpeed);
-    if (speed != null && speed.isNotEmpty) {
-      try {
-        _trackpadSpeed = double.parse(speed);
-      } catch (e) {
-        debugPrint('Failed to parse the trackpad speed, "$speed": $e');
-      }
-    }
+    _trackpadSpeed =
+        (await bind.sessionGetTrackpadSpeed(sessionId: sessionId) ??
+            kDefaultTrackpadSpeed);
     if (_trackpadSpeed < kMinTrackpadSpeed ||
         _trackpadSpeed > kMaxTrackpadSpeed) {
       _trackpadSpeed = kDefaultTrackpadSpeed;
     }
+    _trackpadSpeedInner = _trackpadSpeed / 100.0;
   }
 
   void handleKeyDownEventModifiers(KeyEvent e) {
@@ -919,7 +914,7 @@ class InputModel {
       }
     }
 
-    var delta = e.panDelta * _trackpadSpeed;
+    var delta = e.panDelta * _trackpadSpeedInner;
     if (isMacOS && peerPlatform == kPeerPlatformWindows) {
       delta *= _trackpadAdjustMacToWin;
     }
@@ -1023,7 +1018,7 @@ class InputModel {
     _stopFling = false;
 
     // 2.0 is an experience value
-    double minFlingValue = 2.0 * _trackpadSpeed;
+    double minFlingValue = 2.0 * _trackpadSpeedInner;
     if (isMacOS && peerPlatform == kPeerPlatformWindows) {
       minFlingValue *= _trackpadAdjustMacToWin;
     }

libs/hbb_common

@@ -1 +1 @@
-Subproject commit 751b9711febb8a1a8c40d98b156381072a9459a0
+Subproject commit 6e556f7e1751a3a709cd5cca0df7268ba3cb1c48

src/client.rs

@@ -2105,6 +2105,12 @@ impl LoginConfigHandler {
         res
     }
 
+    pub fn save_trackpad_speed(&mut self, speed: i32) {
+        let mut config = self.load_config();
+        config.trackpad_speed = speed;
+        self.save_config(config);
+    }
+
     /// Create a [`Message`] for saving custom fps.
     ///
     /// # Arguments

src/flutter_ffi.rs

@@ -492,6 +492,20 @@ pub fn session_set_custom_fps(session_id: SessionID, fps: i32) {
     }
 }
 
+pub fn session_get_trackpad_speed(session_id: SessionID) -> Option<i32> {
+    if let Some(session) = sessions::get_session_by_session_id(&session_id) {
+        Some(session.get_trackpad_speed())
+    } else {
+        None
+    }
+}
+
+pub fn session_set_trackpad_speed(session_id: SessionID, value: i32) {
+    if let Some(session) = sessions::get_session_by_session_id(&session_id) {
+        session.save_trackpad_speed(value);
+    }
+}
+
 pub fn session_lock_screen(session_id: SessionID) {
     if let Some(session) = sessions::get_session_by_session_id(&session_id) {
         session.lock_screen();

src/lang/ar.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/be.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/bg.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ca.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/cn.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "安装方式检测失败。请点击\"下载\"按钮，从发布网址下载，并手动升级。"),
         ("websocket_tip", "使用 WebSocket 时，仅支持中继连接。"),
         ("Use WebSocket", "使用 WebSocket"),
+        ("Trackpad speed", "触控板速度"),
+        ("Default trackpad speed", "默认触控板速度"),
     ].iter().cloned().collect();
 }

src/lang/cs.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/da.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/de.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "Prüfung der Installationsmethode fehlgeschlagen. Bitte klicken Sie auf die Schaltfläche \"Herunterladen\", um von der Versionsseite herunterzuladen und manuell zu aktualisieren."),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/el.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/eo.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/es.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/et.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/eu.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/fa.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/fr.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ge.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/he.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/hr.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/hu.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/id.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/it.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "Controllo metodo installazione non riuscito.\nSeleziona 'Download' per scaricare il programma e aggiornarlo manualmente."),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ja.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ko.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "업데이트에 실패했습니다. .msi 설치 파일을 확인하세요."),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/kz.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/lt.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/lv.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/nb.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/nl.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "Kan de installatiemethode niet bepalen. Klik op “Downloaden” om de applicatie van de officiële website te downloaden en handmatig bij te werken."),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/pl.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "Sprawdzenie metody instalacji nie powiodło się. Kliknij przycisk \"Pobierz\", aby pobrać ze strony wydania i uaktualnić ręcznie."),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/pt_PT.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ptbr.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ro.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ru.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", "Невозможно определить метод установки. Нажмите кнопку \"Скачать\", чтобы скачать приложение с официального сайта и обновить его вручную."),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/sc.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/sk.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/sl.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/sq.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/sr.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/sv.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/ta.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/template.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/th.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/tr.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/tw.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/uk.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/lang/vn.rs

@@ -696,5 +696,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("update-failed-check-msi-tip", ""),
         ("websocket_tip", ""),
         ("Use WebSocket", ""),
+        ("Trackpad speed", ""),
+        ("Default trackpad speed", ""),
     ].iter().cloned().collect();
 }

src/ui_session_interface.rs

@@ -230,6 +230,10 @@ impl<T: InvokeUiSession> Session<T> {
         self.lc.read().unwrap().version.clone()
     }
 
+    pub fn get_trackpad_speed(&self) -> i32 {
+        self.lc.read().unwrap().trackpad_speed
+    }
+
     pub fn fallback_keyboard_mode(&self) -> String {
         let peer_version = self.get_peer_version();
         let platform = self.peer_platform();
@@ -448,6 +452,10 @@ impl<T: InvokeUiSession> Session<T> {
         }
     }
 
+    pub fn save_trackpad_speed(&self, trackpad_speed: i32) {
+        self.lc.write().unwrap().save_trackpad_speed(trackpad_speed);
+    }
+
     pub fn set_custom_fps(&self, custom_fps: i32) {
         let msg = self.lc.write().unwrap().set_custom_fps(custom_fps, true);
         self.send(Data::Message(msg));