feat: take screenshot (#11591)

* feat: take screenshot

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

* screenshot, vram temp switch capturer

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

* fix: misspelling

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

* screenshot, taking

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

* screenshot, rgba stride

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

* Bumps 1.4.0

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

---------

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

.github/workflows/flutter-build.yml

@@ -38,7 +38,7 @@ env:
   #  https://github.com/rustdesk/rustdesk/actions/runs/14414119794/job/40427970174
   # 2. Update the `VCPKG_COMMIT_ID` in `ci.yml` and `playground.yml`.
   VCPKG_COMMIT_ID: "6f29f12e82a8293156836ad81cc9bf5af41fe836"
-  VERSION: "1.3.9"
+  VERSION: "1.4.0"
   NDK_VERSION: "r27c"
   #signing keys env variable checks
   ANDROID_SIGNING_KEY: "${{ secrets.ANDROID_SIGNING_KEY }}"

.github/workflows/playground.yml

@@ -17,7 +17,7 @@ env:
   TAG_NAME: "nightly"
   VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
   VCPKG_COMMIT_ID: "6f29f12e82a8293156836ad81cc9bf5af41fe836"
-  VERSION: "1.3.9"
+  VERSION: "1.4.0"
   NDK_VERSION: "r26d"
   #signing keys env variable checks
   ANDROID_SIGNING_KEY: "${{ secrets.ANDROID_SIGNING_KEY }}"

Cargo.lock

@@ -5857,7 +5857,7 @@ dependencies = [
 
 [[package]]
 name = "rustdesk"
-version = "1.3.9"
+version = "1.4.0"
 dependencies = [
  "android-wakelock",
  "android_logger",
@@ -5960,7 +5960,7 @@ dependencies = [
 
 [[package]]
 name = "rustdesk-portable-packer"
-version = "1.3.9"
+version = "1.4.0"
 dependencies = [
  "brotli",
  "dirs 5.0.1",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustdesk"
-version = "1.3.9"
+version = "1.4.0"
 authors = ["rustdesk <info@rustdesk.com>"]
 edition = "2021"
 build= "build.rs"

appimage/AppImageBuilder-aarch64.yml

@@ -18,7 +18,7 @@ AppDir:
     id: rustdesk
     name: rustdesk
     icon: rustdesk
-    version: 1.3.9
+    version: 1.4.0
     exec: usr/share/rustdesk/rustdesk
     exec_args: $@
   apt:

appimage/AppImageBuilder-x86_64.yml

@@ -18,7 +18,7 @@ AppDir:
     id: rustdesk
     name: rustdesk
     icon: rustdesk
-    version: 1.3.9
+    version: 1.4.0
     exec: usr/share/rustdesk/rustdesk
     exec_args: $@
   apt:

flutter/lib/common/widgets/toolbar.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 
 import 'package:flutter/material.dart';
@@ -15,7 +16,7 @@ bool isEditOsPassword = false;
 
 class TTextMenu {
   final Widget child;
-  final VoidCallback onPressed;
+  final VoidCallback? onPressed;
   Widget? trailingIcon;
   bool divider;
   TTextMenu(
@@ -294,6 +295,41 @@ List<TTextMenu> toolbarControls(BuildContext context, String id, FFI ffi) {
         ),
         onPressed: () => ffi.recordingModel.toggle()));
   }
+
+  // to-do:
+  // 1. Web desktop
+  // 2. Mobile, copy the image to the clipboard
+  if (isDesktop) {
+    final isScreenshotSupported = bind.sessionGetCommonSync(
+        sessionId: sessionId, key: 'is_screenshot_supported', param: '');
+    if ('true' == isScreenshotSupported) {
+      v.add(TTextMenu(
+        child: Text(ffi.ffiModel.timerScreenshot != null
+            ? '${translate('Taking screenshot')} ...'
+            : translate('Take screenshot')),
+        onPressed: ffi.ffiModel.timerScreenshot != null
+            ? null
+            : () {
+                if (pi.currentDisplay == kAllDisplayValue) {
+                  msgBox(
+                      sessionId,
+                      'custom-nook-nocancel-hasclose-info',
+                      'Take screenshot',
+                      'screenshot-merged-screen-not-supported-tip',
+                      '',
+                      ffi.dialogManager);
+                } else {
+                  bind.sessionTakeScreenshot(
+                      sessionId: sessionId, display: pi.currentDisplay);
+                  ffi.ffiModel.timerScreenshot =
+                      Timer(Duration(seconds: 30), () {
+                    ffi.ffiModel.timerScreenshot = null;
+                  });
+                }
+              },
+      ));
+    }
+  }
   // fingerprint
   if (!(isDesktop || isWebDesktop)) {
     v.add(TTextMenu(

flutter/lib/consts.dart

@@ -220,7 +220,8 @@ const double kDefaultQuality = 50;
 const double kMaxQuality = 100;
 const double kMaxMoreQuality = 2000;
 
-const String kKeyPrinterIncommingJobAction = 'printer-incomming-job-action';
+// incomming (should be incoming) is kept, because change it will break the previous setting.
+const String kKeyPrinterIncomingJobAction = 'printer-incomming-job-action';
 const String kValuePrinterIncomingJobDismiss = 'dismiss';
 const String kValuePrinterIncomingJobDefault = '';
 const String kValuePrinterIncomingJobSelected = 'selected';

flutter/lib/desktop/pages/desktop_setting_page.dart

@@ -1908,7 +1908,7 @@ class __PrinterState extends State<_Printer> {
     final scrollController = ScrollController();
     return ListView(controller: scrollController, children: [
       outgoing(context),
-      incomming(context),
+      incoming(context),
     ]).marginOnly(bottom: _kListViewBottomMargin);
   }
 
@@ -1995,15 +1995,15 @@ class __PrinterState extends State<_Printer> {
     return _Card(title: 'Outgoing Print Jobs', children: children);
   }
 
-  Widget incomming(BuildContext context) {
+  Widget incoming(BuildContext context) {
     onRadioChanged(String value) async {
       await bind.mainSetLocalOption(
-          key: kKeyPrinterIncommingJobAction, value: value);
+          key: kKeyPrinterIncomingJobAction, value: value);
       setState(() {});
     }
 
     PrinterOptions printerOptions = PrinterOptions.load();
-    return _Card(title: 'Incomming Print Jobs', children: [
+    return _Card(title: 'Incoming Print Jobs', children: [
       _Radio(context,
           value: kValuePrinterIncomingJobDismiss,
           groupValue: printerOptions.action,

flutter/lib/mobile/pages/remote_page.dart

@@ -695,9 +695,9 @@ class _RemotePageState extends State<RemotePage> with WidgetsBindingObserver {
       );
       if (index != null) {
         if (index < mobileActionMenus.length) {
-          mobileActionMenus[index].onPressed.call();
+          mobileActionMenus[index].onPressed?.call();
         } else if (index < mobileActionMenus.length + more.length) {
-          menus[index - mobileActionMenus.length].onPressed.call();
+          menus[index - mobileActionMenus.length].onPressed?.call();
         }
       }
     }();
@@ -770,7 +770,7 @@ class _RemotePageState extends State<RemotePage> with WidgetsBindingObserver {
         elevation: 8,
       );
       if (index != null && index < menus.length) {
-        menus[index].onPressed.call();
+        menus[index].onPressed?.call();
       }
     });
   }
@@ -1267,7 +1267,7 @@ void showOptions(
         title: resolution.child,
         onTap: () {
           close();
-          resolution.onPressed();
+          resolution.onPressed?.call();
         },
       ));
     }
@@ -1279,7 +1279,7 @@ void showOptions(
         title: virtualDisplayMenu.child,
         onTap: () {
           close();
-          virtualDisplayMenu.onPressed();
+          virtualDisplayMenu.onPressed?.call();
         },
       ));
     }

flutter/lib/mobile/pages/settings_page.dart

@@ -243,7 +243,7 @@ class _SettingsState extends State<SettingsPage> with WidgetsBindingObserver {
   Widget build(BuildContext context) {
     Provider.of<FfiModel>(context);
     final outgoingOnly = bind.isOutgoingOnly();
-    final incommingOnly = bind.isIncomingOnly();
+    final incomingOnly = bind.isIncomingOnly();
     final customClientSection = CustomSettingsSection(
         child: Column(
       children: [
@@ -728,7 +728,7 @@ class _SettingsState extends State<SettingsPage> with WidgetsBindingObserver {
                           });
                         },
                 ),
-              if (!incommingOnly)
+              if (!incomingOnly)
                 SettingsTile.switchTile(
                   title:
                       Text(translate('Automatically record outgoing sessions')),

flutter/lib/mobile/pages/view_camera_page.dart

@@ -478,9 +478,9 @@ class _ViewCameraPageState extends State<ViewCameraPage>
       );
       if (index != null) {
         if (index < mobileActionMenus.length) {
-          mobileActionMenus[index].onPressed.call();
+          mobileActionMenus[index].onPressed?.call();
         } else if (index < mobileActionMenus.length + more.length) {
-          menus[index - mobileActionMenus.length].onPressed.call();
+          menus[index - mobileActionMenus.length].onPressed?.call();
         }
       }
     }();
@@ -553,7 +553,7 @@ class _ViewCameraPageState extends State<ViewCameraPage>
         elevation: 8,
       );
       if (index != null && index < menus.length) {
-        menus[index].onPressed.call();
+        menus[index].onPressed?.call();
       }
     });
   }

flutter/lib/models/model.dart

@@ -34,6 +34,7 @@ import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:uuid/uuid.dart';
 import 'package:window_manager/window_manager.dart';
+import 'package:file_picker/file_picker.dart';
 
 import '../common.dart';
 import '../utils/image.dart' as img;
@@ -119,6 +120,8 @@ class FfiModel with ChangeNotifier {
   RxBool waitForFirstImage = true.obs;
   bool isRefreshing = false;
 
+  Timer? timerScreenshot;
+
   Rect? get rect => _rect;
   bool get isOriginalResolutionSet =>
       _pi.tryGetDisplayIfNotAllDisplay()?.isOriginalResolutionSet ?? false;
@@ -216,6 +219,7 @@ class FfiModel with ChangeNotifier {
     _timer = null;
     clearPermissions();
     waitForImageTimer?.cancel();
+    timerScreenshot?.cancel();
   }
 
   setConnectionType(String peerId, bool secure, bool direct) {
@@ -414,12 +418,82 @@ class FfiModel with ChangeNotifier {
         }
       } else if (name == "printer_request") {
         _handlePrinterRequest(evt, sessionId, peerId);
+      } else if (name == 'screenshot') {
+        _handleScreenshot(evt, sessionId, peerId);
       } else {
         debugPrint('Event is not handled in the fixed branch: $name');
       }
     };
   }
 
+  _handleScreenshot(
+      Map<String, dynamic> evt, SessionID sessionId, String peerId) {
+    timerScreenshot?.cancel();
+    timerScreenshot = null;
+    final msg = evt['msg'] ?? '';
+    final msgBoxType = 'custom-nook-nocancel-hasclose';
+    final msgBoxTitle = 'Take screenshot';
+    final dialogManager = parent.target!.dialogManager;
+    if (msg.isNotEmpty) {
+      msgBox(sessionId, msgBoxType, msgBoxTitle, msg, '', dialogManager);
+    } else {
+      final msgBoxText = 'screenshot-action-tip';
+
+      close() {
+        dialogManager.dismissAll();
+      }
+
+      saveAs() {
+        close();
+        Future.delayed(Duration.zero, () async {
+          final ts = DateTime.now().millisecondsSinceEpoch ~/ 1000;
+          String? outputFile = await FilePicker.platform.saveFile(
+            dialogTitle: '${translate('Save as')}...',
+            fileName: 'screenshot_$ts.png',
+            allowedExtensions: ['png'],
+            type: FileType.custom,
+          );
+          if (outputFile == null) {
+            bind.sessionHandleScreenshot(sessionId: sessionId, action: '2');
+          } else {
+            final res = await bind.sessionHandleScreenshot(
+                sessionId: sessionId, action: '0:$outputFile');
+            if (res.isNotEmpty) {
+              msgBox(sessionId, 'custom-nook-nocancel-hasclose-error',
+                  'Take screenshot', res, '', dialogManager);
+            }
+          }
+        });
+      }
+
+      copyToClipboard() {
+        bind.sessionHandleScreenshot(sessionId: sessionId, action: '1');
+        close();
+      }
+
+      cancel() {
+        bind.sessionHandleScreenshot(sessionId: sessionId, action: '2');
+        close();
+      }
+
+      final List<Widget> buttons = [
+        dialogButton('${translate('Save as')}...', onPressed: saveAs),
+        dialogButton('Copy to clipboard', onPressed: copyToClipboard),
+        dialogButton('Cancel', onPressed: cancel),
+      ];
+      dialogManager.dismissAll();
+      dialogManager.show(
+        (setState, close, context) => CustomAlertDialog(
+          title: null,
+          content: SelectionArea(
+              child: msgboxContent(msgBoxType, msgBoxTitle, msgBoxText)),
+          actions: buttons,
+        ),
+        tag: '$msgBoxType-$msgBoxTitle-$msgBoxTitle',
+      );
+    }
+  }
+
   _handlePrinterRequest(
       Map<String, dynamic> evt, SessionID sessionId, String peerId) {
     final id = evt['id'];
@@ -451,7 +525,7 @@ class FfiModel with ChangeNotifier {
         if (saveSettings.value || dontShowAgain.value) {
           bind.mainSetLocalOption(key: kKeyPrinterSelected, value: printerName);
           bind.mainSetLocalOption(
-              key: kKeyPrinterIncommingJobAction,
+              key: kKeyPrinterIncomingJobAction,
               value: defaultOrSelectedGroupValue.value);
         }
         if (dontShowAgain.value) {
@@ -463,7 +537,7 @@ class FfiModel with ChangeNotifier {
       onCancel() {
         if (dontShowAgain.value) {
           bind.mainSetLocalOption(
-              key: kKeyPrinterIncommingJobAction,
+              key: kKeyPrinterIncomingJobAction,
               value: kValuePrinterIncomingJobDismiss);
         }
         close();

flutter/lib/models/printer_model.dart

@@ -13,7 +13,7 @@ class PrinterOptions {
       required this.printerName});
 
   static PrinterOptions load() {
-    var action = bind.mainGetLocalOption(key: kKeyPrinterIncommingJobAction);
+    var action = bind.mainGetLocalOption(key: kKeyPrinterIncomingJobAction);
     if (![
       kValuePrinterIncomingJobDismiss,
       kValuePrinterIncomingJobDefault,
@@ -28,7 +28,7 @@ class PrinterOptions {
       if (action == kValuePrinterIncomingJobSelected) {
         action = kValuePrinterIncomingJobDefault;
         bind.mainSetLocalOption(
-            key: kKeyPrinterIncommingJobAction,
+            key: kKeyPrinterIncomingJobAction,
             value: kValuePrinterIncomingJobDefault);
         if (printerNames.isEmpty) {
           selectedPrinterName = '';

flutter/pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # 1.1.9-1 works for android, but for ios it becomes 1.1.91, need to set it to 1.1.9-a.1 for iOS, will get 1.1.9.1, but iOS store not allow 4 numbers
-version: 1.3.9+57
+version: 1.4.0+58
 
 environment:
   sdk: '^3.1.0'

libs/hbb_common

@@ -1 +1 @@
-Subproject commit 3afaf6494475ef58dcaaae6b4e6d2303cc3d632b
+Subproject commit 42aad01a517d4de7420ddcb7e99c29bd9f6d2b5a

libs/portable/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustdesk-portable-packer"
-version = "1.3.9"
+version = "1.4.0"
 edition = "2021"
 description = "RustDesk Remote Desktop"
 

libs/scrap/src/common/convert.rs

@@ -197,3 +197,40 @@ pub fn convert_to_yuv(
     }
     Ok(())
 }
+
+#[cfg(not(target_os = "ios"))]
+pub fn convert(captured: &PixelBuffer, pixfmt: crate::Pixfmt, dst: &mut Vec<u8>) -> ResultType<()> {
+    if captured.pixfmt() == pixfmt {
+        dst.extend_from_slice(captured.data());
+        return Ok(());
+    }
+
+    let src = captured.data();
+    let src_stride = captured.stride();
+    let src_pixfmt = captured.pixfmt();
+    let src_width = captured.width();
+    let src_height = captured.height();
+
+    let unsupported = format!(
+        "unsupported pixfmt conversion: {src_pixfmt:?} -> {:?}",
+        pixfmt
+    );
+
+    match (src_pixfmt, pixfmt) {
+        (crate::Pixfmt::BGRA, crate::Pixfmt::RGBA) | (crate::Pixfmt::RGBA, crate::Pixfmt::BGRA) => {
+            dst.resize(src.len(), 0);
+            call_yuv!(ABGRToARGB(
+                src.as_ptr(),
+                src_stride[0] as _,
+                dst.as_mut_ptr(),
+                src_stride[0] as _,
+                src_width as _,
+                src_height as _,
+            ));
+        }
+        _ => {
+            bail!(unsupported);
+        }
+    }
+    Ok(())
+}

libs/scrap/src/common/mod.rs

@@ -63,6 +63,7 @@ pub enum ImageFormat {
 }
 
 #[repr(C)]
+#[derive(Clone)]
 pub struct ImageRgb {
     pub raw: Vec<u8>,
     pub w: usize,

res/PKGBUILD

@@ -1,5 +1,5 @@
 pkgname=rustdesk
-pkgver=1.3.9
+pkgver=1.4.0
 pkgrel=0
 epoch=
 pkgdesc=""

res/rpm-flutter-suse.spec

@@ -1,5 +1,5 @@
 Name:       rustdesk
-Version:    1.3.9
+Version:    1.4.0
 Release:    0
 Summary:    RPM package
 License:    GPL-3.0

res/rpm-flutter.spec

@@ -1,5 +1,5 @@
 Name:       rustdesk
-Version:    1.3.9
+Version:    1.4.0
 Release:    0
 Summary:    RPM package
 License:    GPL-3.0

res/rpm.spec

@@ -1,5 +1,5 @@
 Name:       rustdesk
-Version:    1.3.9
+Version:    1.4.0
 Release:    0
 Summary:    RPM package
 License:    GPL-3.0

src/client.rs

@@ -85,6 +85,7 @@ pub use super::lang::*;
 pub mod file_trait;
 pub mod helper;
 pub mod io_loop;
+pub mod screenshot;
 
 pub const MILLI1: Duration = Duration::from_millis(1);
 pub const SEC30: Duration = Duration::from_secs(30);
@@ -3336,6 +3337,7 @@ pub enum Data {
     CloseVoiceCall,
     ResetDecoder(Option<usize>),
     RenameFile((i32, String, String, bool)),
+    TakeScreenshot((i32, String)),
 }
 
 /// Keycode for key events.

src/client/io_loop.rs

@@ -962,6 +962,15 @@ impl<T: InvokeUiSession> Remote<T> {
                     }
                 }
             },
+            Data::TakeScreenshot((display, sid)) => {
+                let mut msg = Message::new();
+                msg.set_screenshot_request(ScreenshotRequest {
+                    display,
+                    sid,
+                    ..Default::default()
+                });
+                allow_err!(peer.send(&msg).await);
+            }
             _ => {}
         }
         true
@@ -1909,6 +1918,11 @@ impl<T: InvokeUiSession> Remote<T> {
                     self.handler.set_displays(&pi.displays);
                     self.handler.set_platform_additions(&pi.platform_additions);
                 }
+                Some(message::Union::ScreenshotResponse(response)) => {
+                    crate::client::screenshot::set_screenshot(response.data);
+                    self.handler
+                        .handle_screenshot_resp(response.sid, response.msg);
+                }
                 _ => {}
             }
         }

src/client/screenshot.rs

@@ -0,0 +1,99 @@
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+use crate::clipboard::{update_clipboard, ClipboardSide};
+use hbb_common::{message_proto::*, ResultType};
+use std::sync::Mutex;
+
+lazy_static::lazy_static! {
+    static ref SCREENSHOT: Mutex<Screenshot> = Default::default();
+}
+
+pub enum ScreenshotAction {
+    SaveAs(String),
+    CopyToClipboard,
+    Discard,
+}
+
+impl Default for ScreenshotAction {
+    fn default() -> Self {
+        Self::Discard
+    }
+}
+
+impl From<&str> for ScreenshotAction {
+    fn from(value: &str) -> Self {
+        match value.chars().next() {
+            Some('0') => {
+                if let Some((pos, _)) = value.char_indices().nth(2) {
+                    let substring = &value[pos..];
+                    Self::SaveAs(substring.to_string())
+                } else {
+                    Self::default()
+                }
+            }
+            Some('1') => Self::CopyToClipboard,
+            Some('2') => Self::default(),
+            _ => Self::default(),
+        }
+    }
+}
+
+impl Into<String> for ScreenshotAction {
+    fn into(self) -> String {
+        match self {
+            Self::SaveAs(p) => format!("0:{p}"),
+            Self::CopyToClipboard => "1".to_owned(),
+            Self::Discard => "2".to_owned(),
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct Screenshot {
+    data: Option<bytes::Bytes>,
+}
+
+impl Screenshot {
+    fn set_screenshot(&mut self, data: bytes::Bytes) {
+        self.data.replace(data);
+    }
+
+    fn handle_screenshot(&mut self, action: String) -> String {
+        let Some(data) = self.data.take() else {
+            return "No cached screenshot".to_owned();
+        };
+        match Self::handle_screenshot_(data, action) {
+            Ok(()) => "".to_owned(),
+            Err(e) => e.to_string(),
+        }
+    }
+
+    fn handle_screenshot_(data: bytes::Bytes, action: String) -> ResultType<()> {
+        match ScreenshotAction::from(&action as &str) {
+            ScreenshotAction::SaveAs(p) => {
+                std::fs::write(p, data)?;
+            }
+            ScreenshotAction::CopyToClipboard => {
+                #[cfg(not(any(target_os = "android", target_os = "ios")))]
+                {
+                    let clips = vec![Clipboard {
+                        compress: false,
+                        content: data,
+                        format: ClipboardFormat::ImagePng.into(),
+                        ..Default::default()
+                    }];
+                    update_clipboard(clips, ClipboardSide::Client);
+                }
+            }
+            ScreenshotAction::Discard => {}
+        }
+        Ok(())
+    }
+}
+
+pub fn set_screenshot(data: bytes::Bytes) {
+    SCREENSHOT.lock().unwrap().set_screenshot(data);
+}
+
+pub fn handle_screenshot(action: String) -> String {
+    SCREENSHOT.lock().unwrap().handle_screenshot(action)
+}

src/common.rs

@@ -147,6 +147,16 @@ pub fn is_support_file_paste_if_macos(ver: &str) -> bool {
     hbb_common::get_version_number(ver) >= hbb_common::get_version_number("1.3.9")
 }
 
+#[inline]
+pub fn is_support_screenshot(ver: &str) -> bool {
+    is_support_multi_ui_session_num(hbb_common::get_version_number(ver))
+}
+
+#[inline]
+pub fn is_support_screenshot_num(ver: i64) -> bool {
+    ver >= hbb_common::get_version_number("1.4.0")
+}
+
 // is server process, with "--server" args
 #[inline]
 pub fn is_server() -> bool {

src/flutter.rs

@@ -543,6 +543,25 @@ impl FlutterHandler {
     pub fn push_event<V>(&self, name: &str, event: &[(&str, V)], excludes: &[&SessionID])
     where
         V: Sized + Serialize + Clone,
+    {
+        self.push_event_(name, event, &[], excludes);
+    }
+
+    pub fn push_event_to<V>(&self, name: &str, event: &[(&str, V)], include: &[&SessionID])
+    where
+        V: Sized + Serialize + Clone,
+    {
+        self.push_event_(name, event, include, &[]);
+    }
+
+    pub fn push_event_<V>(
+        &self,
+        name: &str,
+        event: &[(&str, V)],
+        includes: &[&SessionID],
+        excludes: &[&SessionID],
+    ) where
+        V: Sized + Serialize + Clone,
     {
         let mut h: HashMap<&str, serde_json::Value> =
             event.iter().map(|(k, v)| (*k, json!(*v))).collect();
@@ -550,11 +569,20 @@ impl FlutterHandler {
         h.insert("name", json!(name));
         let out = serde_json::ser::to_string(&h).unwrap_or("".to_owned());
         for (sid, session) in self.session_handlers.read().unwrap().iter() {
-            if excludes.contains(&sid) {
-                continue;
+            let mut push = false;
+            if includes.is_empty() {
+                if !excludes.contains(&sid) {
+                    push = true;
+                }
+            } else {
+                if includes.contains(&sid) {
+                    push = true;
+                }
             }
-            if let Some(stream) = &session.event_stream {
-                stream.add(EventToUI::Event(out.clone()));
+            if push {
+                if let Some(stream) = &session.event_stream {
+                    stream.add(EventToUI::Event(out.clone()));
+                }
             }
         }
     }
@@ -1067,6 +1095,16 @@ impl InvokeUiSession for FlutterHandler {
             &[],
         );
     }
+
+    fn handle_screenshot_resp(&self, sid: String, msg: String) {
+        match SessionID::from_str(&sid) {
+            Ok(sid) => self.push_event_to("screenshot", &[("msg", json!(msg))], &[&sid]),
+            Err(e) => {
+                // Unreachable!
+                log::error!("Failed to parse sid \"{}\", {}", sid, e);
+            }
+        }
+    }
 }
 
 impl FlutterHandler {

src/flutter_ffi.rs

@@ -250,6 +250,16 @@ pub fn session_refresh(session_id: SessionID, display: usize) {
     }
 }
 
+pub fn session_take_screenshot(session_id: SessionID, display: usize) {
+    if let Some(s) = sessions::get_session_by_session_id(&session_id) {
+        s.take_screenshot(display as _, session_id.to_string());
+    }
+}
+
+pub fn session_handle_screenshot(session_id: SessionID, action: String) -> String {
+    crate::client::screenshot::handle_screenshot(action)
+}
+
 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())
@@ -2461,6 +2471,27 @@ pub fn main_set_common(_key: String, _value: String) {
     }
 }
 
+pub fn session_get_common_sync(
+    session_id: SessionID,
+    key: String,
+    param: String,
+) -> SyncReturn<Option<String>> {
+    SyncReturn(session_get_common(session_id, key, param))
+}
+
+pub fn session_get_common(session_id: SessionID, key: String, param: String) -> Option<String> {
+    if let Some(s) = sessions::get_session_by_session_id(&session_id) {
+        let v = if key == "is_screenshot_supported" {
+            s.is_screenshot_supported().to_string()
+        } else {
+            "".to_owned()
+        };
+        Some(v)
+    } else {
+        None
+    }
+}
+
 #[cfg(target_os = "android")]
 pub mod server_side {
     use hbb_common::{config, log};

src/lang/ar.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "الطابعة {} جاهزة"),
         ("Install {} Printer", "تثبيت طابعة {}"),
         ("Outgoing Print Jobs", "وظائف الطباعة الصادرة"),
-        ("Incomming Print Jobs", "وظائف الطباعة الواردة"),
+        ("Incoming Print Jobs", "وظائف الطباعة الواردة"),
         ("Incoming Print Job", "وظيفة طباعة واردة"),
         ("use-the-default-printer-tip", "استخدم الطابعة الافتراضية"),
         ("use-the-selected-printer-tip", "استخدم الطابعة المحددة"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "الطباعة عن بُعد غير مسموح بها على هذا الجهاز"),
         ("save-settings-tip", "حفظ الإعدادات"),
         ("dont-show-again-tip", "لا تظهر هذا مرة أخرى"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/be.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/bg.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ca.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/cn.rs

@@ -653,7 +653,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Upload folder", "上传文件夹"),
         ("Upload files", "上传文件"),
         ("Clipboard is synchronized", "剪贴板已同步"),
-        ("Update client clipboard", "更新客户端的粘贴板"),
+        ("Update client clipboard", "更新客户端的剪贴板"),
         ("Untagged", "无标签"),
         ("new-version-of-{}-tip", "{} 版本更新"),
         ("Accessible devices", "可访问的设备"),
@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "{} 打印机已安装，您可以使用打印功能了。"),
         ("Install {} Printer", "安装 {} 打印机"),
         ("Outgoing Print Jobs", "传出的打印任务"),
-        ("Incomming Print Jobs", "传入的打印任务"),
+        ("Incoming Print Jobs", "传入的打印任务"),
         ("Incoming Print Job", "传入的打印任务"),
         ("use-the-default-printer-tip", "使用默认的打印机执行"),
         ("use-the-selected-printer-tip", "使用选择的打印机执行"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "被控端的权限设置拒绝了远程打印。"),
         ("save-settings-tip", "保存设置"),
         ("dont-show-again-tip", "不再显示此信息"),
+        ("Take screenshot", "截屏"),
+        ("Taking screenshot", "正在截屏"),
+        ("screenshot-merged-screen-not-supported-tip", "当前不支持多个屏幕的合并截屏，请切换到单个屏幕重试。"),
+        ("screenshot-action-tip", "请选择如何继续截屏。"),
+        ("Save as", "另存为"),
+        ("Copy to clipboard", "复制到剪贴板"),
     ].iter().cloned().collect();
 }

src/lang/cs.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/da.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/de.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "Der Drucker {} ist installiert und einsatzbereit."),
         ("Install {} Printer", "Drucker {} installieren"),
         ("Outgoing Print Jobs", "Ausgehende Druckaufträge"),
-        ("Incomming Print Jobs", "Eingehende Druckaufträge"),
+        ("Incoming Print Jobs", "Eingehende Druckaufträge"),
         ("Incoming Print Job", "Eingehender Druckauftrag"),
         ("use-the-default-printer-tip", "Standarddrucker verwenden"),
         ("use-the-selected-printer-tip", "Ausgewählten Drucker verwenden"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Die Berechtigungseinstellungen der kontrollierten Seite verweigern den entfernten Druck."),
         ("save-settings-tip", "Einstellungen speichern"),
         ("dont-show-again-tip", "Nicht mehr anzeigen"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/el.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/en.rs

@@ -253,5 +253,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "The permission settings of the controlled side deny Remote Printing."),
         ("save-settings-tip", "Save settings"),
         ("dont-show-again-tip", "Don't show this again"),
+        ("screenshot-merged-screen-not-supported-tip", "Merging screenshots of multiple displays is currently not supported. Please switch to a single display and try again."),
+        ("screenshot-action-tip", "Please select how to continue with the screenshot."),
     ].iter().cloned().collect();
 }

src/lang/eo.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/es.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "La impresora {} está instalada y lista para usar."),
         ("Install {} Printer", "Instalar la impresora {}"),
         ("Outgoing Print Jobs", "Tareas salientes de impresión"),
-        ("Incomming Print Jobs", "Tareas entrantes de impresión"),
+        ("Incoming Print Jobs", "Tareas entrantes de impresión"),
         ("Incoming Print Job", "Trabajo entrante de impresión"),
         ("use-the-default-printer-tip", "Usar la impresora predeterminada"),
         ("use-the-selected-printer-tip", "Usar la impresora seleccionada"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Los ajustes de permisos del lado controlado no permiten la impresión remota."),
         ("save-settings-tip", "Guardar ajustes"),
         ("dont-show-again-tip", "No volver a mostrar"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/et.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/eu.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/fa.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "چاپگر {} آماده است"),
         ("Install {} Printer", "نصب چاپگر {}"),
         ("Outgoing Print Jobs", "وظایف چاپ خروجی"),
-        ("Incomming Print Jobs", "وظایف چاپ ورودی"),
+        ("Incoming Print Jobs", "وظایف چاپ ورودی"),
         ("Incoming Print Job", "وظیفه چاپ ورودی"),
         ("use-the-default-printer-tip", "از چاپگر پیش‌فرض استفاده کنید"),
         ("use-the-selected-printer-tip", "از چاپگر انتخاب‌شده استفاده کنید"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "شما مجوز لازم برای چاپ از راه دور را ندارید"),
         ("save-settings-tip", "تنظیمات را ذخیره کنید"),
         ("dont-show-again-tip", "دیگر نمایش داده نشود"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/fr.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "L’imprimante {} est installée et opérationnelle."),
         ("Install {} Printer", "Installer l’imprimante {}"),
         ("Outgoing Print Jobs", "Impressions sortantes"),
-        ("Incomming Print Jobs", "Impressions entrantes"),
+        ("Incoming Print Jobs", "Impressions entrantes"),
         ("Incoming Print Job", "Impression entrante"),
         ("use-the-default-printer-tip", "Utiliser l’imprimante par défaut"),
         ("use-the-selected-printer-tip", "Utiliser l’imprimante sélectionnée"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Les paramètres de l’appareil contrôlé n’autorisent pas l’impression à distance."),
         ("save-settings-tip", "Enregistrer les paramètres"),
         ("dont-show-again-tip", "Ne plus afficher"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ge.rs

@@ -239,7 +239,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Empty", "ცარიელი"),
         ("Invalid folder name", "არასწორი საქაღალდის სახელი"),
         ("Socks5 Proxy", "SOCKS5-პროქსი"),
-        ("Proxy", "პროქსი"),
+        ("Socks5/Http(s) Proxy", ""),
         ("Discovered", "ნაპოვნია"),
         ("install_daemon_tip", "ჩატვირთვისას გასაშვებად საჭიროა სისტემური სერვისის დაყენება"),
         ("Remote ID", "დაშორებული ID"),
@@ -567,7 +567,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("id_input_tip", "შეგიძლიათ შეიყვანოთ იდენტიფიკატორი, პირდაპირი IP მისამართი ან დომენი პორტით (<დომენი>:<პორტი>).\nთუ გჭირდებათ წვდომა მოწყობილობაზე სხვა სერვერზე, დაამატეთ სერვერის მისამართი (<id>@<სერვერის_მისამართი>?key=<გასაღების_მნიშვნელობა>), მაგალითად:\n9123456234@192.168.16.1:21117?key=5Qbwsde3unUcJBtrx9ZkvUmwFNoExHzpryHuPUdqlWM=.\nთუ გჭირდებათ წვდომა მოწყობილობაზე საჯარო სერვერზე, შეიყვანეთ \"<id>@public\", გასაღები საჯარო სერვერისთვის არ არის საჭირო."),
         ("privacy_mode_impl_mag_tip", "რეჟიმი 1"),
         ("privacy_mode_impl_virtual_display_tip", "რეჟიმი 2"),
-        ("privacy_mode_impl_virtual_display_tip", "რეჟიმი 2"),
         ("Enter privacy mode", "კონფიდენციალურობის რეჟიმის ჩართვა"),
         ("Exit privacy mode", "კონფიდენციალურობის რეჟიმის გამორთვა"),
         ("idd_not_support_under_win10_2004_tip", "არაპირდაპირი ჩვენების დრაივერი არ არის მხარდაჭერილი. საჭიროა Windows 10 ვერსია 2004 ან უფრო ახალი."),
@@ -659,7 +658,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("new-version-of-{}-tip", "ხელმისაწვდომია ახალი ვერსია {}"),
         ("Accessible devices", "ხელმისაწვდომი მოწყობილობები"),
         ("View camera", "კამერის ნახვა"),
-        ("upgrade_remote_rustdesk_client_to{}_tip", "განაახლეთ RustDesk კლიენტი ვერსიამდე {} ან უფრო ახალი დისტანციურ მხარეზე!"),
+        ("upgrade_remote_rustdesk_client_to_{}_tip", ""),
         ("view_camera_unsupported_tip", "დისტანციური მოწყობილობა არ უჭერს მხარს კამერის ნახვას."),
         ("Enable camera", "კამერის ჩართვა"),
         ("No cameras", "კამერა არ არის"),
@@ -672,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "პრინტერი {} დაინსტალირებულია და მზად არის გამოსაყენებლად."),
         ("Install {} Printer", "დააინსტალირეთ პრინტერი {}"),
         ("Outgoing Print Jobs", "გამავალი ბეჭდვის დავალება"),
-        ("Incomming Print Jobs", "შემომავალი ბეჭდვის დავალება"),
+        ("Incoming Print Jobs", "შემომავალი ბეჭდვის დავალება"),
         ("Incoming Print Job", "შემომავალი ბეჭდვის დავალება"),
         ("use-the-default-printer-tip", "ნაგულისხმევი პრინტერის გამოყენება"),
         ("use-the-selected-printer-tip", "არჩეული პრინტერის გამოყენება"),
@@ -682,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "მართულ მხარეზე უფლებების პარამეტრები კრძალავს დისტანციურ ბეჭდვას."),
         ("save-settings-tip", "პარამეტრების შენახვა"),
         ("dont-show-again-tip", "აღარ აჩვენოთ"),
-  ].iter().cloned().collect();
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
+    ].iter().cloned().collect();
 }

src/lang/he.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/hr.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/hu.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "A(z) {} nyomtató készen áll"),
         ("Install {} Printer", "A(z) {} nyomtató nyomtató telepítése"),
         ("Outgoing Print Jobs", "Kimenő nyomtatási feladatok"),
-        ("Incomming Print Jobs", "Bejövő nyomtatási feladatok"),
+        ("Incoming Print Jobs", "Bejövő nyomtatási feladatok"),
         ("Incoming Print Job", "Bejövő nyomtatási feladat"),
         ("use-the-default-printer-tip", "Alapértelmezett nyomtató használata"),
         ("use-the-selected-printer-tip", "Kiválasztott nyomtató használata"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "A távoli nyomtatás nincs engedélyezve"),
         ("save-settings-tip", "Beállítások mentése"),
         ("dont-show-again-tip", "Ne jelenítse meg újra"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/id.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/it.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "La stampante {} è installata e pronta all'uso."),
         ("Install {} Printer", "Installa la stampante {}"),
         ("Outgoing Print Jobs", "Lavori di stampa in uscita"),
-        ("Incomming Print Jobs", "Lavori di stampa in entrata"),
+        ("Incoming Print Jobs", "Lavori di stampa in entrata"),
         ("Incoming Print Job", "Lavoro di stampa in entrata"),
         ("use-the-default-printer-tip", "Usa la stampante predefinita"),
         ("use-the-selected-printer-tip", "Usa la stampante selezionata"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Le impostazioni di autorizzazione del lato controllato negano la stampa remota."),
         ("save-settings-tip", "Salva impostazioni"),
         ("dont-show-again-tip", "Non visualizzare più questo messaggio"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ja.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ko.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/kz.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/lt.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/lv.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "Printeris {} ir instalēts un gatavs lietošanai."),
         ("Install {} Printer", "Instalēt {} printeri"),
         ("Outgoing Print Jobs", "Izejošie drukas darbi"),
-        ("Incomming Print Jobs", "Ienākošie drukas darbi"),
+        ("Incoming Print Jobs", "Ienākošie drukas darbi"),
         ("Incoming Print Job", "Ienākošais drukas darbs"),
         ("use-the-default-printer-tip", "Izmantot noklusējuma printeri"),
         ("use-the-selected-printer-tip", "Izmantot atlasīto printeri"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Kontrolētās puses atļauju iestatījumi liedz attālo drukāšanu."),
         ("save-settings-tip", "Saglabāt iestatījumus"),
         ("dont-show-again-tip", "Nerādīt šo vēlreiz"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/nb.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/nl.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "De printer {} is geïnstalleerd en klaar voor gebruik."),
         ("Install {} Printer", "Installeer {} Printer"),
         ("Outgoing Print Jobs", "Uitgaande Afdruktaken"),
-        ("Incomming Print Jobs", "Inkomende Afdruktaken"),
+        ("Incoming Print Jobs", "Inkomende Afdruktaken"),
         ("Incoming Print Job", "Inkomende Afdruktaak"),
         ("use-the-default-printer-tip", "Gebruik de standaard printer"),
         ("use-the-selected-printer-tip", "Gebruik de geselecteerde printer"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Machtigingsinstellingen aan beheerde zijde verhinderen afdrukken op afstand."),
         ("save-settings-tip", "Instellingen opslaan"),
         ("dont-show-again-tip", "Dit bericht wordt niet meer weergegeven"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/pl.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "Drukarka {} jest zainstalowana i gotowa do użycia."),
         ("Install {} Printer", "Zainstaluj drukarkę {}"),
         ("Outgoing Print Jobs", "Wychodzące zadania drukowania"),
-        ("Incomming Print Jobs", "Przychodzące zadania drukowania"),
+        ("Incoming Print Jobs", "Przychodzące zadania drukowania"),
         ("Incoming Print Job", "Przychodzące zadanie drukowania"),
         ("use-the-default-printer-tip", "Użyj domyślnej drukarki"),
         ("use-the-selected-printer-tip", "Użyj wybranej drukarki"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Ustawienia uprawnień po zdalnej stronie uniemożliwiają zdalne drukowanie."),
         ("save-settings-tip", "Zapisz ustawienia"),
         ("dont-show-again-tip", "Nie pokazuj więcej"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/pt_PT.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ptbr.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "A impressora {} está instalada e operacional."),
         ("Install {} Printer", "Instalar impressora {}"),
         ("Outgoing Print Jobs", "Trabalhos de impressão enviados"),
-        ("Incomming Print Jobs", "Trabalhos de impressão recebidos"),
+        ("Incoming Print Jobs", "Trabalhos de impressão recebidos"),
         ("Incoming Print Job", "Impressão recebida"),
         ("use-the-default-printer-tip", "Usar impressora padrão"),
         ("use-the-selected-printer-tip", "Usar impressora selecionada"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "As configurações do dispositivo controlado não permitem impressão remota."),
         ("save-settings-tip", "Salvar configurações"),
         ("dont-show-again-tip", "Não mostrar novamente"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ro.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ru.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "Принтер {} установлен и готов к использованию."),
         ("Install {} Printer", "Установить принтер {}"),
         ("Outgoing Print Jobs", "Исходящее задание печати"),
-        ("Incomming Print Jobs", "Входящее задание печати"),
+        ("Incoming Print Jobs", "Входящее задание печати"),
         ("Incoming Print Job", "Входящее задание печати"),
         ("use-the-default-printer-tip", "Использовать принтер по умолчанию"),
         ("use-the-selected-printer-tip", "Использовать выбранный принтер"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Настройки разрешений на управляемой стороне запрещают удалённую печать."),
         ("save-settings-tip", "Сохранить настройки"),
         ("dont-show-again-tip", "Больше не показывать"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/sc.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "S'imprentadora {} est installada e pronta pro s'impreu."),
         ("Install {} Printer", "Installa s'imprentadora {}"),
         ("Outgoing Print Jobs", "Traballos de imprenta in essida"),
-        ("Incomming Print Jobs", "Traballos de imprenta in intrada"),
+        ("Incoming Print Jobs", "Traballos de imprenta in intrada"),
         ("Incoming Print Job", "Traballu de imprenta in intrada"),
         ("use-the-default-printer-tip", "Imprea s'imprentadora predefinida"),
         ("use-the-selected-printer-tip", "Imprea s'imprentadora seletzionada"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "Sas impostatziones de sos permissos de s'ala controllada negant s'imprenta remota."),
         ("save-settings-tip", "Sarva sas impostatziones"),
         ("dont-show-again-tip", "Non mustres prus custu messàgiu"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/sk.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/sl.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/sq.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/sr.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/sv.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/ta.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/template.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/th.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/tr.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/tw.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", "{} 印表機已安裝，您可以使用列印功能了。"),
         ("Install {} Printer", "安裝 {} 印表機"),
         ("Outgoing Print Jobs", "傳出的列印任務"),
-        ("Incomming Print Jobs", "傳入的列印任務"),
+        ("Incoming Print Jobs", "傳入的列印任務"),
         ("Incoming Print Job", "傳入的列印任務"),
         ("use-the-default-printer-tip", "使用預設的印表機"),
         ("use-the-selected-printer-tip", "使用選取的印表機"),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", "被控端的權限設置拒絕了遠端列印。"),
         ("save-settings-tip", "儲存設定"),
         ("dont-show-again-tip", "不再顯示此訊息"),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/uk.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/lang/vn.rs

@@ -671,7 +671,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("printer-{}-ready-tip", ""),
         ("Install {} Printer", ""),
         ("Outgoing Print Jobs", ""),
-        ("Incomming Print Jobs", ""),
+        ("Incoming Print Jobs", ""),
         ("Incoming Print Job", ""),
         ("use-the-default-printer-tip", ""),
         ("use-the-selected-printer-tip", ""),
@@ -681,5 +681,11 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("remote-printing-disallowed-text-tip", ""),
         ("save-settings-tip", ""),
         ("dont-show-again-tip", ""),
+        ("Take screenshot", ""),
+        ("Taking screenshot", ""),
+        ("screenshot-merged-screen-not-supported-tip", ""),
+        ("screenshot-action-tip", ""),
+        ("Save as", ""),
+        ("Copy to clipboard", ""),
     ].iter().cloned().collect();
 }

src/server/connection.rs

@@ -2819,6 +2819,16 @@ impl Connection {
                 Some(message::Union::VoiceCallResponse(_response)) => {
                     // TODO: Maybe we can do a voice call from cm directly.
                 }
+                Some(message::Union::ScreenshotRequest(request)) => {
+                    if let Some(tx) = self.inner.tx.clone() {
+                        crate::video_service::set_take_screenshot(
+                            request.display as _,
+                            request.sid.clone(),
+                            tx,
+                        );
+                        self.refresh_video_display(Some(request.display as usize));
+                    }
+                }
                 _ => {}
             }
         }

src/server/video_service.rs

@@ -49,7 +49,7 @@ use scrap::{
     codec::{Encoder, EncoderCfg},
     record::{Recorder, RecorderContext},
     vpxcodec::{VpxEncoderConfig, VpxVideoCodecId},
-    CodecFormat, Display, EncodeInput, TraitCapturer,
+    CodecFormat, Display, EncodeInput, TraitCapturer, TraitPixelBuffer,
 };
 #[cfg(windows)]
 use std::sync::Once;
@@ -70,6 +70,13 @@ lazy_static::lazy_static! {
     pub static ref VIDEO_QOS: Arc<Mutex<VideoQoS>> = Default::default();
     pub static ref IS_UAC_RUNNING: Arc<Mutex<bool>> = Default::default();
     pub static ref IS_FOREGROUND_WINDOW_ELEVATED: Arc<Mutex<bool>> = Default::default();
+    static ref SCREENSHOTS: Mutex<HashMap<usize, Screenshot>> = Default::default();
+}
+
+struct Screenshot {
+    sid: String,
+    tx: Sender,
+    restore_vram: bool,
 }
 
 #[inline]
@@ -457,7 +464,7 @@ fn get_capturer(
 }
 
 fn run(vs: VideoService) -> ResultType<()> {
-    let _raii = Raii::new(vs.sp.name());
+    let mut _raii = Raii::new(vs.sp.name());
     // Wayland only support one video capturer for now. It is ok to call ensure_inited() here.
     //
     // ensure_inited() is needed because clear() may be called.
@@ -639,6 +646,49 @@ fn run(vs: VideoService) -> ResultType<()> {
             Ok(frame) => {
                 repeat_encode_counter = 0;
                 if frame.valid() {
+                    let screenshot = SCREENSHOTS.lock().unwrap().remove(&display_idx);
+                    if let Some(mut screenshot) = screenshot {
+                        let restore_vram = screenshot.restore_vram;
+                        let (msg, w, h, data) = match &frame {
+                            scrap::Frame::PixelBuffer(f) => match get_rgba_from_pixelbuf(f) {
+                                Ok(rgba) => ("".to_owned(), f.width(), f.height(), rgba),
+                                Err(e) => {
+                                    let serr = e.to_string();
+                                    log::error!(
+                                        "Failed to convert the pix format into rgba, {}",
+                                        &serr
+                                    );
+                                    (format!("Convert pixfmt: {}", serr), 0, 0, vec![])
+                                }
+                            },
+                            scrap::Frame::Texture(_) => {
+                                if restore_vram {
+                                    // Already set one time, just ignore to break infinite loop.
+                                    // Though it's unreachable, this branch is kept to avoid infinite loop.
+                                    (
+                                        "Please change codec and try again.".to_owned(),
+                                        0,
+                                        0,
+                                        vec![],
+                                    )
+                                } else {
+                                    #[cfg(all(windows, feature = "vram"))]
+                                    VRamEncoder::set_not_use(sp.name(), true);
+                                    screenshot.restore_vram = true;
+                                    SCREENSHOTS.lock().unwrap().insert(display_idx, screenshot);
+                                    _raii.try_vram = false;
+                                    bail!("SWITCH");
+                                }
+                            }
+                        };
+                        std::thread::spawn(move || {
+                            handle_screenshot(screenshot, msg, w, h, data);
+                        });
+                        if restore_vram {
+                            bail!("SWITCH");
+                        }
+                    }
+
                     let frame = frame.to(encoder.yuvfmt(), &mut yuv, &mut mid_data)?;
                     let send_conn_ids = handle_one_frame(
                         display_idx,
@@ -764,24 +814,32 @@ fn run(vs: VideoService) -> ResultType<()> {
     Ok(())
 }
 
-struct Raii(String);
+struct Raii {
+    name: String,
+    try_vram: bool,
+}
 
 impl Raii {
     fn new(name: String) -> Self {
         log::info!("new video service: {}", name);
         VIDEO_QOS.lock().unwrap().new_display(name.clone());
-        Raii(name)
+        Raii {
+            name,
+            try_vram: true,
+        }
     }
 }
 
 impl Drop for Raii {
     fn drop(&mut self) {
-        log::info!("stop video service: {}", self.0);
+        log::info!("stop video service: {}", self.name);
         #[cfg(feature = "vram")]
-        VRamEncoder::set_not_use(self.0.clone(), false);
+        if self.try_vram {
+            VRamEncoder::set_not_use(self.name.clone(), false);
+        }
         #[cfg(feature = "vram")]
         Encoder::update(scrap::codec::EncodingUpdate::Check);
-        VIDEO_QOS.lock().unwrap().remove_display(&self.0);
+        VIDEO_QOS.lock().unwrap().remove_display(&self.name);
     }
 }
 
@@ -1206,3 +1264,77 @@ fn check_qos(
     drop(video_qos);
     Ok(())
 }
+
+pub fn set_take_screenshot(display_idx: usize, sid: String, tx: Sender) {
+    SCREENSHOTS.lock().unwrap().insert(
+        display_idx,
+        Screenshot {
+            sid,
+            tx,
+            restore_vram: false,
+        },
+    );
+}
+
+// We need to this function, because the `stride` may be larger than `width * 4`.
+fn get_rgba_from_pixelbuf<'a>(pixbuf: &scrap::PixelBuffer<'a>) -> ResultType<Vec<u8>> {
+    let w = pixbuf.width();
+    let h = pixbuf.height();
+    let stride = pixbuf.stride();
+    let Some(s) = stride.get(0) else {
+        bail!("Invalid pixel buf stride.")
+    };
+
+    if *s == w * 4 {
+        let mut rgba = vec![];
+        scrap::convert(pixbuf, scrap::Pixfmt::RGBA, &mut rgba)?;
+        Ok(rgba)
+    } else {
+        let bgra = pixbuf.data();
+        let mut bit_flipped = Vec::with_capacity(w * h * 4);
+        for y in 0..h {
+            for x in 0..w {
+                let i = s * y + 4 * x;
+                bit_flipped.extend_from_slice(&[bgra[i + 2], bgra[i + 1], bgra[i], bgra[i + 3]]);
+            }
+        }
+        Ok(bit_flipped)
+    }
+}
+
+fn handle_screenshot(screenshot: Screenshot, msg: String, w: usize, h: usize, data: Vec<u8>) {
+    let mut response = ScreenshotResponse::new();
+    response.sid = screenshot.sid;
+    if msg.is_empty() {
+        if data.is_empty() {
+            response.msg = "Failed to take screenshot, please try again later.".to_owned();
+        } else {
+            fn encode_png(width: usize, height: usize, rgba: Vec<u8>) -> ResultType<Vec<u8>> {
+                let mut png = Vec::new();
+                let mut encoder =
+                    repng::Options::smallest(width as _, height as _).build(&mut png)?;
+                encoder.write(&rgba)?;
+                encoder.finish()?;
+                Ok(png)
+            }
+            match encode_png(w as _, h as _, data) {
+                Ok(png) => {
+                    response.data = png.into();
+                }
+                Err(e) => {
+                    response.msg = format!("Error encoding png: {}", e);
+                }
+            }
+        }
+    } else {
+        response.msg = msg;
+    }
+    let mut msg_out = Message::new();
+    msg_out.set_screenshot_response(response);
+    if let Err(e) = screenshot
+        .tx
+        .send((hbb_common::tokio::time::Instant::now(), Arc::new(msg_out)))
+    {
+        log::error!("Failed to send screenshot, {}", e);
+    }
+}

src/ui/header.tis

@@ -230,6 +230,7 @@ class Header: Reactor.Component {
                 {restart_enabled && (pi.platform == "Linux" || pi.platform == "Windows" || pi.platform == "Mac OS") ? <li #restart_remote_device>{translate('Restart remote device')}</li> : ""}
                 {keyboard_enabled ? <li #lock-screen>{translate('Insert Lock')}</li> : ""}
                 {keyboard_enabled && pi.platform == "Windows" && pi.sas_enabled ? <li #block-input>{translate("Block user input")}</li> : ""}
+                {handler.is_screenshot_supported() ? <li #take-screenshot>{translate('Take screenshot')}</li> : "" }
                 <li #refresh>{translate('Refresh')}</li>
             </menu>
         </popup>;
@@ -377,6 +378,10 @@ class Header: Reactor.Component {
         handler.lock_screen();
     }
 
+    event click $(#take-screenshot) {
+        handler.take_screenshot(pi.current_display, "");
+    }
+    
     event click $(#refresh) {
         // 0 is just a dummy value. It will be ignored by the handler.
         handler.refresh_video(0);
@@ -546,6 +551,26 @@ handler.setCurrentDisplay = function(v) {
     }
 }
 
+handler.screenshot = function(msg) {
+    if (msg) {
+        msgbox(
+            "custom-nocancel-nook-hasclose-error",
+            translate("Take screenshot"),
+            msg,
+            "",
+            function() {}
+        );
+    } else {
+        msgbox(
+            "custom-take-screenshot-nocancel-nook",
+            translate("Take screenshot"),
+            translate("screenshot-action-tip"),
+            "",
+            function() {}
+        );
+    }
+}
+
 function updatePrivacyMode() {
     var el = $(li#privacy-mode);
     if (el) {

src/ui/msgbox.tis

@@ -132,6 +132,17 @@ class MsgboxComponent: Reactor.Component {
         return this.type.indexOf("skip") >= 0;
     }
 
+    function getScreenshotButtons() {
+        var isScreenshot = this.type.indexOf("take-screenshot") >= 0;
+        return isScreenshot 
+            ? <div>
+                <button .button #screenshotSaveAs .outline>{translate('Save as')}...</button>
+                <button .button #screenshotCopyToClip .outline>{translate('Copy to clipboard')}</button>
+                <button .button #screenshotCancel .outline>{translate('Cancel')}</button>
+            </div>
+            : "";
+    }
+
     function render() {
         this.set_outline_focus();
         var color = this.getColor();
@@ -170,6 +181,7 @@ class MsgboxComponent: Reactor.Component {
                     {hasOk || this.hasRetry ? <button .button #submit>{translate(this.hasRetry ? "Retry" : "OK")}</button> : ""}
                     {hasLink ? <button .button #jumplink .outline>{translate('JumpLink')}</button> : ""}
                     {hasClose ? <button .button #cancel .outline>{translate('Close')}</button> : ""}
+                    {this.getScreenshotButtons()}
                 </div>
             </div>
             </div>
@@ -246,6 +258,39 @@ class MsgboxComponent: Reactor.Component {
         }
     }
 
+    event click $(button#screenshotSaveAs) {
+        this.close();
+
+        handler.leave(handler.get_keyboard_mode());
+        const filter = "Png file (*.png)";
+        const defaultExt = "png";
+        const initialPath = System.path(#USER_DOCUMENTS, "screenshot");
+        const caption = "Save as";
+        var url = view.selectFile(#save, filter, defaultExt, initialPath, caption);
+        handler.enter(handler.get_keyboard_mode());
+        if(url) {
+            var res = handler.handle_screenshot("0:" + URL.toPath(url));
+            if (res) {
+                msgbox("custom-error-nocancel-nook-hasclose", "Take screenshot", res, "", function() {});
+            }
+        } else {
+            handler.handle_screenshot("2");
+        }
+    }
+
+    event click $(button#screenshotCopyToClip) {
+        this.close();
+        var res = handler.handle_screenshot("1");
+        if (res) {
+            msgbox("custom-error-nocancel-nook-hasclose", "Take screenshot", res, "", function() {});
+        }
+    }
+
+    event click $(button#screenshotCancel) {
+        this.close();
+        handler.handle_screenshot("2");
+    }
+    
     event keydown (evt) {
         if (!evt.shortcutKey) {
             if (isEnterKey(evt)) {

src/ui/remote.rs

@@ -383,6 +383,10 @@ impl InvokeUiSession for SciterHandler {
     fn printer_request(&self, id: i32, path: String) {
         self.call("printerRequest", &make_args!(id, path));
     }
+
+    fn handle_screenshot_resp(&self, _sid: String, msg: String) {
+        self.call("screenshot", &make_args!(msg));
+    }
 }
 
 pub struct SciterSession(Session<SciterHandler>);
@@ -529,6 +533,9 @@ impl sciter::EventHandler for SciterSession {
         fn save_custom_image_quality(i32);
         fn refresh_video(i32);
         fn record_screen(bool);
+        fn is_screenshot_supported();
+        fn take_screenshot(i32, String);
+        fn handle_screenshot(String);
         fn get_toggle_option(String);
         fn is_privacy_mode_supported();
         fn toggle_option(String);
@@ -866,6 +873,10 @@ impl SciterSession {
     fn on_printer_selected(&self, id: i32, path: String, printer_name: String) {
         self.printer_response(id, path, printer_name);
     }
+
+    fn handle_screenshot(&self, action: String) -> String {
+        crate::client::screenshot::handle_screenshot(action)
+    }
 }
 
 pub fn make_fd(id: i32, entries: &Vec<FileEntry>, only_count: bool) -> Value {

src/ui_session_interface.rs

@@ -412,6 +412,14 @@ impl<T: InvokeUiSession> Session<T> {
         self.send(Data::RecordScreen(start));
     }
 
+    pub fn is_screenshot_supported(&self) -> bool {
+        crate::common::is_support_screenshot_num(self.lc.read().unwrap().version)
+    }
+
+    pub fn take_screenshot(&self, display: i32, sid: String) {
+        self.send(Data::TakeScreenshot((display, sid)));
+    }
+
     pub fn is_recording(&self) -> bool {
         self.lc.read().unwrap().record_state
     }
@@ -1586,6 +1594,7 @@ pub trait InvokeUiSession: Send + Sync + Clone + 'static + Sized + Default {
     fn update_record_status(&self, start: bool);
     fn update_empty_dirs(&self, _res: ReadEmptyDirsResponse) {}
     fn printer_request(&self, id: i32, path: String);
+    fn handle_screenshot_resp(&self, sid: String, msg: String);
 }
 
 impl<T: InvokeUiSession> Deref for Session<T> {