Merge branch 'master' into hwcodec

2022-07-06 18:57:14 +08:00 · 2022-07-06 18:57:14 +08:00 · 68204e0c56
commit 68204e0c56
parent 61071a434d df32b8f07b
28 changed files with 417 additions and 105 deletions
--- a/README-ZH.md
+++ b/README-ZH.md
@ -202,7 +202,7 @@ target/release/rustdesk
 - **[libs/scrap](https://github.com/rustdesk/rustdesk/tree/master/libs/scrap)**: 截屏
 - **[libs/enigo](https://github.com/rustdesk/rustdesk/tree/master/libs/enigo)**: 平台相关的鼠标键盘输入
 - **[src/ui](https://github.com/rustdesk/rustdesk/tree/master/src/ui)**: GUI
- **[src/server](https://github.com/rustdesk/rustdesk/tree/master/src/server)**: 被控端服务，audio/clipboard/input/video 服务, 已经连接实现
+- **[src/server](https://github.com/rustdesk/rustdesk/tree/master/src/server)**: 被控端服务，audio/clipboard/input/video 服务, 以及连接的实现
 - **[src/client.rs](https://github.com/rustdesk/rustdesk/tree/master/src/client.rs)**: 控制端
 - **[src/rendezvous_mediator.rs](https://github.com/rustdesk/rustdesk/tree/master/src/rendezvous_mediator.rs)**: 与[rustdesk-server](https://github.com/rustdesk/rustdesk-server)保持 UDP 通讯, 等待远程连接（通过打洞直连或者中继）
 - **[src/platform](https://github.com/rustdesk/rustdesk/tree/master/src/platform)**: 平台服务相关代码
--- a/flutter/android/app/src/main/AndroidManifest.xml
+++ b/flutter/android/app/src/main/AndroidManifest.xml
@ -43,7 +43,7 @@

        <activity
            android:name=".MainActivity"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode|navigation"
            android:exported="true"
            android:hardwareAccelerated="true"
            android:launchMode="singleTop"
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@ -310,19 +310,19 @@ class ImageModel with ChangeNotifier {
  }

  double get maxScale {
-    if (_image == null) return 1.0;
+    if (_image == null) return 1.5;
    final size = MediaQueryData.fromWindow(ui.window).size;
    final xscale = size.width / _image!.width;
    final yscale = size.height / _image!.height;
-    return max(1.0, max(xscale, yscale));
+    return max(1.5, max(xscale, yscale));
  }

  double get minScale {
-    if (_image == null) return 1.0;
+    if (_image == null) return 1.5;
    final size = MediaQueryData.fromWindow(ui.window).size;
    final xscale = size.width / _image!.width;
    final yscale = size.height / _image!.height;
-    return min(xscale, yscale);
+    return min(xscale, yscale) / 1.5;
  }
 }

@ -724,13 +724,17 @@ class FFI {

  static void inputKey(String name, {bool? down, bool? press}) {
    if (!ffiModel.keyboard()) return;
-    setByName(
-        'input_key',
-        json.encode(modify({
-          'name': name,
-          'down': (down ?? false).toString(),
-          'press': (press ?? true).toString()
-        })));
+    final Map<String, String> out = Map();
+    out['name'] = name;
+    // default: down = false
+    if (down == true) {
+      out['down'] = "true";
+    }
+    // default: press = true
+    if (press != false) {
+      out['press'] = "true";
+    }
+    setByName('input_key', json.encode(modify(out)));
  }

  static void moveMouse(double x, double y) {
--- a/flutter/lib/pages/remote_page.dart
+++ b/flutter/lib/pages/remote_page.dart
@ -343,9 +343,14 @@ class _RemotePageState extends State<RemotePage> {
                    onKey: (data, e) {
                      final key = e.logicalKey;
                      if (e is RawKeyDownEvent) {
-                        if (e.repeat) {
+                        if (e.repeat &&
+                            !e.isAltPressed &&
+                            !e.isControlPressed &&
+                            !e.isShiftPressed &&
+                            !e.isMetaPressed) {
                          sendRawKey(e, press: true);
                        } else {
+                          sendRawKey(e, down: true);
                          if (e.isAltPressed && !FFI.alt) {
                            FFI.alt = true;
                          } else if (e.isControlPressed && !FFI.ctrl) {
@ -355,7 +360,6 @@ class _RemotePageState extends State<RemotePage> {
                          } else if (e.isMetaPressed && !FFI.command) {
                            FFI.command = true;
                          }
-                          sendRawKey(e, down: true);
                        }
                      }
                      // [!_showEdit] workaround for soft-keyboard's control_key like Backspace / Enter
@ -481,6 +485,7 @@ class _RemotePageState extends State<RemotePage> {
  ///   DoubleFiner -> right click
  ///   HoldDrag -> left drag

+  Offset _cacheLongPressPosition = Offset(0, 0);
  Widget getBodyForMobileWithGesture() {
    final touchMode = FFI.ffiModel.touchMode;
    return getMixinGestureDetector(
@ -504,10 +509,14 @@ class _RemotePageState extends State<RemotePage> {
        },
        onLongPressDown: (d) {
          if (touchMode) {
-            FFI.cursorModel.move(d.localPosition.dx, d.localPosition.dy);
+            _cacheLongPressPosition = d.localPosition;
          }
        },
        onLongPress: () {
+          if (touchMode) {
+            FFI.cursorModel
+                .move(_cacheLongPressPosition.dx, _cacheLongPressPosition.dy);
+          }
          FFI.tap(MouseButtons.right);
        },
        onDoubleFinerTap: (d) {
@ -534,6 +543,15 @@ class _RemotePageState extends State<RemotePage> {
          if (touchMode) {
            FFI.cursorModel.move(d.localPosition.dx, d.localPosition.dy);
            FFI.sendMouse('down', MouseButtons.left);
+          } else {
+            final cursorX = FFI.cursorModel.x;
+            final cursorY = FFI.cursorModel.y;
+            final visible =
+                FFI.cursorModel.getVisibleRect().inflate(1); // extend edges
+            final size = MediaQueryData.fromWindow(ui.window).size;
+            if (!visible.contains(Offset(cursorX, cursorY))) {
+              FFI.cursorModel.move(size.width / 2, size.height / 2);
+            }
          }
        },
        onOneFingerPanUpdate: (d) {
--- a/flutter/lib/widgets/gestures.dart
+++ b/flutter/lib/widgets/gestures.dart
@ -2,7 +2,7 @@ import 'dart:async';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/widgets.dart';

-enum CustomTouchGestureState {
+enum GestureState {
  none,
  oneFingerPan,
  twoFingerScale,
@ -35,64 +35,41 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
  GestureDragUpdateCallback? onThreeFingerVerticalDragUpdate;
  GestureDragEndCallback? onThreeFingerVerticalDragEnd;

-  var _currentState = CustomTouchGestureState.none;
-  Timer? _startEventDebounceTimer;
+  var _currentState = GestureState.none;
+  Timer? _debounceTimer;

  void _init() {
    debugPrint("CustomTouchGestureRecognizer init");
-    onStart = (d) {
-      _startEventDebounceTimer?.cancel();
-      if (d.pointerCount == 1) {
-        _currentState = CustomTouchGestureState.oneFingerPan;
-        if (onOneFingerPanStart != null) {
-          onOneFingerPanStart!(DragStartDetails(
-              localPosition: d.localFocalPoint, globalPosition: d.focalPoint));
-        }
-        debugPrint("start oneFingerPan");
-      } else if (d.pointerCount == 2) {
-        if (_currentState == CustomTouchGestureState.threeFingerVerticalDrag) {
-          // 3 -> 2 debounce
-          _startEventDebounceTimer = Timer(Duration(milliseconds: 200), () {
-            _currentState = CustomTouchGestureState.twoFingerScale;
-            if (onTwoFingerScaleStart != null) {
-              onTwoFingerScaleStart!(ScaleStartDetails(
-                  localFocalPoint: d.localFocalPoint,
-                  focalPoint: d.focalPoint));
-            }
-            debugPrint("debounce start twoFingerScale success");
-          });
-        }
-        _currentState = CustomTouchGestureState.twoFingerScale;
-        // startWatchTimer();
-        if (onTwoFingerScaleStart != null) {
-          onTwoFingerScaleStart!(ScaleStartDetails(
-              localFocalPoint: d.localFocalPoint, focalPoint: d.focalPoint));
-        }
-        debugPrint("start twoFingerScale");
-      } else if (d.pointerCount == 3) {
-        _currentState = CustomTouchGestureState.threeFingerVerticalDrag;
+    // onStart = (d) {};
+    onUpdate = (d) {
+      _debounceTimer?.cancel();
+      if (d.pointerCount == 1 && _currentState != GestureState.oneFingerPan) {
+        onOneFingerStartDebounce(d);
+      } else if (d.pointerCount == 2 &&
+          _currentState != GestureState.twoFingerScale) {
+        onTwoFingerStartDebounce(d);
+      } else if (d.pointerCount == 3 &&
+          _currentState != GestureState.threeFingerVerticalDrag) {
+        _currentState = GestureState.threeFingerVerticalDrag;
        if (onThreeFingerVerticalDragStart != null) {
          onThreeFingerVerticalDragStart!(
              DragStartDetails(globalPosition: d.localFocalPoint));
        }
        debugPrint("start threeFingerScale");
-        // _reset();
      }
-    };
-    onUpdate = (d) {
-      if (_currentState != CustomTouchGestureState.none) {
+      if (_currentState != GestureState.none) {
        switch (_currentState) {
-          case CustomTouchGestureState.oneFingerPan:
+          case GestureState.oneFingerPan:
            if (onOneFingerPanUpdate != null) {
              onOneFingerPanUpdate!(_getDragUpdateDetails(d));
            }
            break;
-          case CustomTouchGestureState.twoFingerScale:
+          case GestureState.twoFingerScale:
            if (onTwoFingerScaleUpdate != null) {
              onTwoFingerScaleUpdate!(d);
            }
            break;
-          case CustomTouchGestureState.threeFingerVerticalDrag:
+          case GestureState.threeFingerVerticalDrag:
            if (onThreeFingerVerticalDragUpdate != null) {
              onThreeFingerVerticalDragUpdate!(_getDragUpdateDetails(d));
            }
@ -105,21 +82,22 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
    };
    onEnd = (d) {
      debugPrint("ScaleGestureRecognizer onEnd");
+      _debounceTimer?.cancel();
      // end
      switch (_currentState) {
-        case CustomTouchGestureState.oneFingerPan:
+        case GestureState.oneFingerPan:
          debugPrint("TwoFingerState.pan onEnd");
          if (onOneFingerPanEnd != null) {
            onOneFingerPanEnd!(_getDragEndDetails(d));
          }
          break;
-        case CustomTouchGestureState.twoFingerScale:
+        case GestureState.twoFingerScale:
          debugPrint("TwoFingerState.scale onEnd");
          if (onTwoFingerScaleEnd != null) {
            onTwoFingerScaleEnd!(d);
          }
          break;
-        case CustomTouchGestureState.threeFingerVerticalDrag:
+        case GestureState.threeFingerVerticalDrag:
          debugPrint("ThreeFingerState.vertical onEnd");
          if (onThreeFingerVerticalDragEnd != null) {
            onThreeFingerVerticalDragEnd!(_getDragEndDetails(d));
@ -128,10 +106,50 @@ class CustomTouchGestureRecognizer extends ScaleGestureRecognizer {
        default:
          break;
      }
-      _currentState = CustomTouchGestureState.none;
+      _debounceTimer = Timer(Duration(milliseconds: 200), () {
+        _currentState = GestureState.none;
+      });
    };
  }

+  void onOneFingerStartDebounce(ScaleUpdateDetails d) {
+    final start = (ScaleUpdateDetails d) {
+      _currentState = GestureState.oneFingerPan;
+      if (onOneFingerPanStart != null) {
+        onOneFingerPanStart!(DragStartDetails(
+            localPosition: d.localFocalPoint, globalPosition: d.focalPoint));
+      }
+    };
+    if (_currentState != GestureState.none) {
+      _debounceTimer = Timer(Duration(milliseconds: 200), () {
+        start(d);
+        debugPrint("debounce start oneFingerPan");
+      });
+    } else {
+      start(d);
+      debugPrint("start oneFingerPan");
+    }
+  }
+
+  void onTwoFingerStartDebounce(ScaleUpdateDetails d) {
+    final start = (ScaleUpdateDetails d) {
+      _currentState = GestureState.twoFingerScale;
+      if (onTwoFingerScaleStart != null) {
+        onTwoFingerScaleStart!(ScaleStartDetails(
+            localFocalPoint: d.localFocalPoint, focalPoint: d.focalPoint));
+      }
+    };
+    if (_currentState == GestureState.threeFingerVerticalDrag) {
+      _debounceTimer = Timer(Duration(milliseconds: 200), () {
+        start(d);
+        debugPrint("debounce start twoFingerScale");
+      });
+    } else {
+      start(d);
+      debugPrint("start twoFingerScale");
+    }
+  }
+
  DragUpdateDetails _getDragUpdateDetails(ScaleUpdateDetails d) =>
      DragUpdateDetails(
          globalPosition: d.focalPoint,
--- a/pynput_service.py
+++ b/pynput_service.py
@ -1,31 +1,177 @@
 from pynput.keyboard import Key, Controller
 from pynput.keyboard._xorg import KeyCode
 from pynput._util.xorg import display_manager
+import Xlib
+from pynput._util.xorg import *
+import Xlib
 import os
 import sys
 import socket
-from Xlib.ext.xtest import fake_input
-from Xlib import X
-import Xlib

 KeyCode._from_symbol("\0")  # test

+DEAD_KEYS = {
+    '`': 65104,
+    '´': 65105,
+    '^': 65106,
+    '~': 65107,
+    '¯': 65108,
+    '˘': 65109,
+    '˙': 65110,
+    '¨': 65111,
+    '˚': 65112,
+    '˝': 65113,
+    'ˇ': 65114,
+    '¸': 65115,
+    '˛': 65116,
+    '℩': 65117,  # ?
+    '゛': 65118,  # ?
+    '゚ ': 65119,
+    'ٜ': 65120,
+    '↪': 65121,
+    ' ̛': 65122,
+}
+
+
+
+def my_keyboard_mapping(display):
+    """Generates a mapping from *keysyms* to *key codes* and required
+    modifier shift states.
+
+    :param Xlib.display.Display display: The display for which to retrieve the
+        keyboard mapping.
+
+    :return: the keyboard mapping
+    """
+    mapping = {}
+
+    shift_mask = 1 << 0
+    group_mask = alt_gr_mask(display)
+
+    # Iterate over all keysym lists in the keyboard mapping
+    min_keycode = display.display.info.min_keycode
+    keycode_count = display.display.info.max_keycode - min_keycode + 1
+    for index, keysyms in enumerate(display.get_keyboard_mapping(
+            min_keycode, keycode_count)):
+        key_code = index + min_keycode
+
+        # Normalise the keysym list to yield a tuple containing the two groups
+        normalized = keysym_normalize(keysyms)
+        if not normalized:
+            continue
+
+        # Iterate over the groups to extract the shift and modifier state
+        for groups, group in zip(normalized, (False, True)):
+            for keysym, shift in zip(groups, (False, True)):
+
+                if not keysym:
+                    continue
+                shift_state = 0 \
+                    | (shift_mask if shift else 0) \
+                    | (group_mask if group else 0)
+
+                # !!!: Save all keycode combinations of keysym
+                if keysym in mapping:
+                    mapping[keysym].append((key_code, shift_state))
+                else:
+                    mapping[keysym] = [(key_code, shift_state)]
+    return mapping
+

 class MyController(Controller):
-    def _handle(self, key, is_press):
-        """Resolves a key identifier and sends a keyboard event.
-        :param event: The *X* keyboard event.
-        :param int keysym: The keysym to handle.
+    def _update_keyboard_mapping(self):
+        """Updates the keyboard mapping.
        """
-        keysym = self._keysym(key)
-        keycode = self._display.keysym_to_keycode(keysym)
+        with display_manager(self._display) as dm:
+            self._keyboard_mapping = my_keyboard_mapping(dm)

+    def send_event(self, event, keycode, shift_state):
+        with display_manager(self._display) as dm, self.modifiers as modifiers:
+            # Under certain cimcumstances, such as when running under Xephyr,
+            # the value returned by dm.get_input_focus is an int
+            window = dm.get_input_focus().focus
+            send_event = getattr(
+                window,
+                'send_event',
+                lambda event: dm.send_event(window, event))
+            send_event(event(
+                detail=keycode,
+                state=shift_state | self._shift_mask(modifiers),
+                time=0,
+                root=dm.screen().root,
+                window=window,
+                same_screen=0,
+                child=Xlib.X.NONE,
+                root_x=0, root_y=0, event_x=0, event_y=0))
+
+    def fake_input(self, keycode, is_press):
        with display_manager(self._display) as dm:
            Xlib.ext.xtest.fake_input(
                dm,
                Xlib.X.KeyPress if is_press else Xlib.X.KeyRelease,
                keycode)

+    def _handle(self, key, is_press):
+        """Resolves a key identifier and sends a keyboard event.
+        :param event: The *X* keyboard event.
+        :param int keysym: The keysym to handle.
+        """
+        event = Xlib.display.event.KeyPress if is_press \
+            else Xlib.display.event.KeyRelease
+        keysym = self._keysym(key)
+
+        if key.vk is not None:
+            keycode = self._display.keysym_to_keycode(key.vk)
+            self.fake_input(keycode, is_press)
+            # Otherwise use XSendEvent; we need to use this in the general case to
+            # work around problems with keyboard layouts
+            self._emit('_on_fake_event', key, is_press)
+            return
+
+        # Make sure to verify that the key was resolved
+        if keysym is None:
+            raise self.InvalidKeyException(key)
+
+        # There may be multiple keycodes for keysym in keyboard_mapping
+        keycode_flag = len(self.keyboard_mapping[keysym]) == 1
+        if keycode_flag:
+            keycode, shift_state = self.keyboard_mapping[keysym][0]
+        else:
+            keycode, shift_state = self._display.keysym_to_keycode(keysym), 0
+
+        keycode_set = set(map(lambda x: x[0], self.keyboard_mapping[keysym]))
+        # The keycode of the dead key is inconsistent, The keysym has multiple combinations of a keycode.
+        if keycode != self._display.keysym_to_keycode(keysym) \
+            or (keycode_flag == False and keycode == list(keycode_set)[0] and len(keycode_set) == 1):
+            deakkey_chr = str(key).replace("'", '')
+            keysym = DEAD_KEYS[deakkey_chr]
+            keycode, shift_state = self.keyboard_mapping[keysym][0]
+
+        # If the key has a virtual key code, use that immediately with
+        # fake_input; fake input,being an X server extension, has access to
+        # more internal state that we do
+
+        try:
+            with self.modifiers as modifiers:
+                alt_gr = Key.alt_gr in modifiers
+            # !!!: Send_event can't support lock screen, this condition cann't be modified
+            if alt_gr:
+                self.send_event(
+                    event, keycode, shift_state)
+            else:
+                self.fake_input(keycode, is_press)
+        except KeyError:
+            with self._borrow_lock:
+                keycode, index, count = self._borrows[keysym]
+                self._send_key(
+                    event,
+                    keycode,
+                    index_to_shift(self._display, index))
+                count += 1 if is_press else -1
+                self._borrows[keysym] = (keycode, index, count)
+
+        # Notify any running listeners
+        self._emit('_on_fake_event', key, is_press)


 keyboard = MyController()
@ -82,7 +228,7 @@ def loop():
                else:
                    keyboard.release(name)
            except Exception as e:
-                print(e)
+                print('[x] error key',e)


 loop()
--- a/rpm-suse.spec
+++ b/rpm-suse.spec
@ -47,7 +47,7 @@ case "$1" in
  ;;
  2)
    # for upgrade
-    service rustdesk stop || true
+    systemctl stop rustdesk || true
  ;;
 esac

@ -61,10 +61,26 @@ systemctl start rustdesk
 update-desktop-database

 %preun
-systemctl stop rustdesk || true
-systemctl disable rustdesk || true
-rm /etc/systemd/system/rustdesk.service || true
+case "$1" in
+  0)
+    # for uninstall
+    systemctl stop rustdesk || true
+    systemctl disable rustdesk || true
+    rm /etc/systemd/system/rustdesk.service || true
+  ;;
+  1)
+    # for upgrade
+  ;;
+esac

 %postun
-rm /usr/share/applications/rustdesk.desktop || true
-update-desktop-database
+case "$1" in
+  0)
+    # for uninstall
+    rm /usr/share/applications/rustdesk.desktop || true
+    update-desktop-database
+  ;;
+  1)
+    # for upgrade
+  ;;
+esac
--- a/rpm.spec
+++ b/rpm.spec
@ -48,7 +48,7 @@ case "$1" in
  ;;
  2)
    # for upgrade
-    service rustdesk stop || true
+    systemctl stop rustdesk || true
  ;;
 esac

@ -62,10 +62,26 @@ systemctl start rustdesk
 update-desktop-database

 %preun
-systemctl stop rustdesk || true
-systemctl disable rustdesk || true
-rm /etc/systemd/system/rustdesk.service || true
+case "$1" in
+  0)
+    # for uninstall
+    systemctl stop rustdesk || true
+    systemctl disable rustdesk || true
+    rm /etc/systemd/system/rustdesk.service || true
+  ;;
+  1)
+    # for upgrade
+  ;;
+esac

 %postun
-rm /usr/share/applications/rustdesk.desktop || true
-update-desktop-database
+case "$1" in
+  0)
+    # for uninstall
+    rm /usr/share/applications/rustdesk.desktop || true
+    update-desktop-database
+  ;;
+  1)
+    # for upgrade
+  ;;
+esac
--- a/src/lang.rs
+++ b/src/lang.rs
@ -1,21 +1,43 @@
+use serde_json::{json, value::Value};
 use std::ops::Deref;

 mod cn;
 mod cs;
 mod da;
-mod sk;
 mod de;
 mod en;
-mod es;
 mod eo;
+mod es;
 mod fr;
 mod id;
 mod it;
 mod ptbr;
 mod ru;
+mod sk;
 mod tr;
 mod tw;

+lazy_static::lazy_static! {
+    pub static ref LANGS: Value =
+        json!(vec![
+            ("en", "English"),
+            ("it", "Italiano"),
+            ("fr", "Français"),
+            ("de", "Deutsch"),
+            ("cn", "简体中文"),
+            ("tw", "繁體中文"),
+            ("pt", "Português"),
+            ("es", "Español"),
+            ("ru", "Русский"),
+            ("sk", "Slovenčina"),
+            ("id", "Indonesia"),
+            ("cs", "Čeština"),
+            ("da", "Dansk"),
+            ("eo", "Esperanto"),
+            ("tr", "Türkçe"),
+        ]);
+}
+
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
 pub fn translate(name: String) -> String {
    let locale = sys_locale::get_locale().unwrap_or_default().to_lowercase();
--- a/src/lang/cn.rs
+++ b/src/lang/cn.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "退出"),
        ("In privacy mode", "进入隐私模式"),
        ("Out privacy mode", "退出隐私模式"),
+        ("Language", "语言"),
    ].iter().cloned().collect();
 }
--- a/src/lang/cs.rs
+++ b/src/lang/cs.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Vypnutý"),
        ("In privacy mode", "v režimu soukromí"),
        ("Out privacy mode", "mimo režim soukromí"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/da.rs
+++ b/src/lang/da.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Slukket"),
        ("In privacy mode", "I databeskyttelsestilstand"),
        ("Out privacy mode", "Databeskyttelsestilstand fra"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/de.rs
+++ b/src/lang/de.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Ausgeschaltet"),
        ("In privacy mode", "im Datenschutzmodus"),
        ("Out privacy mode", "Datenschutzmodus aus"),
+        ("Language", "Sprache"),
    ].iter().cloned().collect();
 }
--- a/src/lang/eo.rs
+++ b/src/lang/eo.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", ""),
        ("In privacy mode", ""),
        ("Out privacy mode", ""),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/es.rs
+++ b/src/lang/es.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Apagado"),
        ("In privacy mode", "En modo de privacidad"),
        ("Out privacy mode", "Fuera del modo de privacidad"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/fr.rs
+++ b/src/lang/fr.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Éteindre"),
        ("In privacy mode", "en mode privé"),
        ("Out privacy mode", "hors mode de confidentialité"),
+        ("Language", "Langue"),
    ].iter().cloned().collect();
 }
--- a/src/lang/id.rs
+++ b/src/lang/id.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Matikan"),
        ("In privacy mode", "Dalam mode privasi"),
        ("Out privacy mode", "Keluar dari mode privasi"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/it.rs
+++ b/src/lang/it.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Spegni"),
        ("In privacy mode", "In modalità privacy"),
        ("Out privacy mode", "Fuori modalità privacy"),
+        ("Language", "Linguaggio"),
    ].iter().cloned().collect();
 }
--- a/src/lang/ptbr.rs
+++ b/src/lang/ptbr.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Desligado"),
        ("In privacy mode", "No modo de privacidade"),
        ("Out privacy mode", "Fora do modo de privacidade"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/ru.rs
+++ b/src/lang/ru.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Выключен"),
        ("In privacy mode", "В режиме конфиденциальности"),
        ("Out privacy mode", "Выход из режима конфиденциальности"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/sk.rs
+++ b/src/lang/sk.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Vypnutý"),
        ("In privacy mode", "V režime súkromia"),
        ("Out privacy mode", "Mimo režimu súkromia"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/template.rs
+++ b/src/lang/template.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", ""),
        ("In privacy mode", ""),
        ("Out privacy mode", ""),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/tr.rs
+++ b/src/lang/tr.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "Kapalı"),
        ("In privacy mode", "Gizlilik modunda"),
        ("Out privacy mode", "Gizlilik modu dışında"),
+        ("Language", ""),
    ].iter().cloned().collect();
 }
--- a/src/lang/tw.rs
+++ b/src/lang/tw.rs
@ -283,5 +283,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
        ("Turned off", "退出"),
        ("In privacy mode", "開啟隱私模式"),
        ("Out privacy mode", "退出隱私模式"),
+        ("Language", "語言"),
    ].iter().cloned().collect();
 }
--- a/src/platform/windows.rs
+++ b/src/platform/windows.rs
@ -1020,6 +1020,22 @@ copy /Y \"{tmp_path}\\Uninstall {app_name}.lnk\" \"{start_menu}\\\"
    // https://docs.microsoft.com/zh-cn/windows/win32/msi/uninstall-registry-key?redirectedfrom=MSDNa
    // https://www.windowscentral.com/how-edit-registry-using-command-prompt-windows-10
    // https://www.tenforums.com/tutorials/70903-add-remove-allowed-apps-through-windows-firewall-windows-10-a.html
+    // Note: without if exist, the bat may exit in advance on some Windows7 https://github.com/rustdesk/rustdesk/issues/895
+    let dels = format!(
+        "
+if exist \"{mk_shortcut}\" del /f /q \"{mk_shortcut}\"
+if exist \"{uninstall_shortcut}\" del /f /q \"{uninstall_shortcut}\"
+if exist \"{tray_shortcut}\" del /f /q \"{tray_shortcut}\"
+if exist \"{tmp_path}\\{app_name}.lnk\" del /f /q \"{tmp_path}\\{app_name}.lnk\"
+if exist \"{tmp_path}\\Uninstall {app_name}.lnk\" del /f /q \"{tmp_path}\\Uninstall {app_name}.lnk\"
+if exist \"{tmp_path}\\{app_name} Tray.lnk\" del /f /q \"{tmp_path}\\{app_name} Tray.lnk\"
+        ",
+        mk_shortcut = mk_shortcut,
+        uninstall_shortcut = uninstall_shortcut,
+        tray_shortcut = tray_shortcut,
+        tmp_path = tmp_path,
+        app_name = crate::get_app_name(),
+    );
    let cmds = format!(
        "
 {uninstall_str}
@ -1048,17 +1064,13 @@ cscript \"{tray_shortcut}\"
 copy /Y \"{tmp_path}\\{app_name} Tray.lnk\" \"%PROGRAMDATA%\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\\"
 {shortcuts}
 copy /Y \"{tmp_path}\\Uninstall {app_name}.lnk\" \"{path}\\\"
-del /f \"{mk_shortcut}\"
-del /f \"{uninstall_shortcut}\"
-del /f \"{tray_shortcut}\"
-del /f \"{tmp_path}\\{app_name}.lnk\"
-del /f \"{tmp_path}\\Uninstall {app_name}.lnk\"
-del /f \"{tmp_path}\\{app_name} Tray.lnk\"
+{dels}
 sc create {app_name} binpath= \"\\\"{exe}\\\" --import-config \\\"{config_path}\\\"\" start= auto DisplayName= \"{app_name} Service\"
 sc start {app_name}
 sc stop {app_name}
 sc delete {app_name}
 {after_install}
+{sleep}
    ",
        uninstall_str=uninstall_str,
        path=path,
@ -1081,6 +1093,16 @@ sc delete {app_name}
        config_path=Config::file().to_str().unwrap_or(""),
        lic=register_licence(),
        after_install=get_after_install(&exe),
+        sleep=if debug {
+            "timeout 300"
+        } else {
+            ""
+        },
+        dels=if debug {
+            ""
+        } else {
+            &dels
+        },
    );
    run_cmds(cmds, debug, "install")?;
    std::thread::sleep(std::time::Duration::from_millis(2000));
@ -1126,10 +1148,10 @@ fn get_uninstall() -> String {
        "
    {before_uninstall}
    reg delete {subkey} /f
-    rd /s /q \"{path}\"
-    rd /s /q \"{start_menu}\"
-    del /f /q \"%PUBLIC%\\Desktop\\{app_name}*\"
-    del /f /q \"%PROGRAMDATA%\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\{app_name} Tray.lnk\"
+    if exist \"{path}\" rd /s /q \"{path}\"
+    if exist \"{start_menu}\" rd /s /q \"{start_menu}\"
+    if exist \"%PUBLIC%\\Desktop\\{app_name}.lnk\" del /f /q \"%PUBLIC%\\Desktop\\{app_name}.lnk\"
+    if exist \"%PROGRAMDATA%\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\{app_name} Tray.lnk\" del /f /q \"%PROGRAMDATA%\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\{app_name} Tray.lnk\"
    ",
        before_uninstall=get_before_uninstall(),
        subkey=subkey,
@ -1176,11 +1198,8 @@ fn run_cmds(cmds: String, show: bool, tip: &str) -> ResultType<()> {
        .show(show)
        .force_prompt(true)
        .status();
-    // leave the file for debug if execution failed
-    if let Ok(res) = res {
-        if res.success() {
-            allow_err!(std::fs::remove_file(tmp));
-        }
+    if !show {
+        allow_err!(std::fs::remove_file(tmp));
    }
    let _ = res?;
    Ok(())
--- a/src/ui.rs
+++ b/src/ui.rs
@ -3,9 +3,9 @@ mod cm;
 mod inline;
 #[cfg(target_os = "macos")]
 mod macos;
+pub mod remote;
 #[cfg(target_os = "windows")]
 pub mod win_privacy;
-pub mod remote;
 use crate::common::SOFTWARE_UPDATE_URL;
 use crate::ipc;
 use hbb_common::{
@ -760,6 +760,10 @@ impl UI {
        #[cfg(feature = "hwcodec")]
        return true;
    }
+
+    fn get_langs(&self) -> String {
+        crate::lang::LANGS.to_string()
+    }
 }

 impl sciter::EventHandler for UI {
@ -837,6 +841,7 @@ impl sciter::EventHandler for UI {
        fn get_lan_peers();
        fn get_uuid();
        fn has_hwcodec();
+        fn get_langs();
    }
 }

--- a/src/ui/index.tis
+++ b/src/ui/index.tis
@ -163,6 +163,40 @@ class AudioInputs: Reactor.Component {
        }
        this.toggleMenuState();
    }
+};
+
+class Languages: Reactor.Component {
+    function render() {
+        var langs = JSON.parse(handler.get_langs());
+        var me = this;
+        self.timer(1ms, function() { me.toggleMenuState() });
+        return <li>{translate('Language')}
+            <menu #languages key={langs.length}>
+                <li id="default"><span>{svg_checkmark}</span>Default</li>
+                <div .separator />
+                {langs.map(function(lang) {
+                return <li id={lang[0]}><span>{svg_checkmark}</span>{lang[1]}</li>;
+                })}
+            </menu>
+        </li>;
+    }
+
+
+    function toggleMenuState() {
+        var cur = handler.get_local_option("lang") || "default";
+        for (var el in this.$$(menu#languages>li)) {
+            var selected = cur == el.id;
+            el.attributes.toggleClass("selected", selected);
+        }
+    }
+
+    event click $(menu#languages>li) (_, me) {
+        var v = me.id;
+        if (v == "default") v = "";
+        handler.set_local_option("lang", v);
+        app.update();
+        this.toggleMenuState();
+    }
 }

 var enhancementsMenu;
@ -202,7 +236,6 @@ class Enhancements: Reactor.Component {
    }
 }

-
 function getUserName() {
    try {
        return JSON.parse(handler.get_local_option("user_info")).name;
@ -261,7 +294,7 @@ class MyIdMenu: Reactor.Component {
                {handler.is_ok_change_id() && key_confirmed ? <li #change-id>{translate('Change ID')}</li> : ""}
                <div .separator />
                <li #allow-darktheme><span>{svg_checkmark}</span>{translate('Dark Theme')}</li>
-                <div .separator />
+                <Languages />
                <li #about>{translate('About')} {" "}{handler.get_app_name()}</li>
            </menu>
        </popup>;
--- a/src/ui/remote.rs
+++ b/src/ui/remote.rs
@ -2001,11 +2001,11 @@ impl Remote {
        let mut config: PeerConfig = self.handler.load_config();
        let mut transfer_metas = TransferSerde::default();
        for job in self.read_jobs.iter() {
-            let json_str = serde_json::to_string(&job.gen_meta()).unwrap();
+            let json_str = serde_json::to_string(&job.gen_meta()).unwrap_or_default();
            transfer_metas.read_jobs.push(json_str);
        }
        for job in self.write_jobs.iter() {
-            let json_str = serde_json::to_string(&job.gen_meta()).unwrap();
+            let json_str = serde_json::to_string(&job.gen_meta()).unwrap_or_default();
            transfer_metas.write_jobs.push(json_str);
        }
        log::info!("meta: {:?}", transfer_metas);