feat: remote printer (#11231)

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

.github/workflows/flutter-build.yml

@@ -159,14 +159,44 @@ jobs:
 
       - name: Build rustdesk
         run: |
+          # Windows: build RustDesk
+          python3 .\build.py --portable --hwcodec --flutter --vram --skip-portable-pack
+          mv ./flutter/build/windows/x64/runner/Release ./rustdesk
+
+          # Download usbmmidd_v2.zip and extract it to ./rustdesk
           Invoke-WebRequest -Uri https://github.com/rustdesk-org/rdev/releases/download/usbmmidd_v2/usbmmidd_v2.zip -OutFile usbmmidd_v2.zip
           Expand-Archive usbmmidd_v2.zip -DestinationPath .
-          python3 .\build.py --portable --hwcodec --flutter --vram --skip-portable-pack
           Remove-Item -Path usbmmidd_v2\Win32 -Recurse
           Remove-Item -Path "usbmmidd_v2\deviceinstaller64.exe", "usbmmidd_v2\deviceinstaller.exe", "usbmmidd_v2\usbmmidd.bat"
-          mv ./flutter/build/windows/x64/runner/Release ./rustdesk
           mv -Force .\usbmmidd_v2 ./rustdesk
 
+          # Download printer driver files and extract them to ./rustdesk
+          try {
+            Invoke-WebRequest -Uri https://github.com/rustdesk/hbb_common/releases/download/driver/rustdesk_printer_driver_v4.zip -OutFile rustdesk_printer_driver_v4.zip
+            Invoke-WebRequest -Uri https://github.com/rustdesk/hbb_common/releases/download/driver/printer_driver_adapter.zip -OutFile printer_driver_adapter.zip
+            Invoke-WebRequest -Uri https://github.com/rustdesk/hbb_common/releases/download/driver/sha256sums -OutFile sha256sums
+
+            # Check and move the files
+            $checksum_driver = (Select-String -Path .\sha256sums -Pattern '^([a-fA-F0-9]{64}) \*rustdesk_printer_driver_v4\.zip$').Matches.Groups[1].Value
+            $downloadsum_driver = Get-FileHash -Path rustdesk_printer_driver_v4.zip -Algorithm SHA256
+            $checksum_dll = (Select-String -Path .\sha256sums -Pattern '^([a-fA-F0-9]{64}) \*printer_driver_adapter\.zip$').Matches.Groups[1].Value
+            $downloadsum_dll = Get-FileHash -Path printer_driver_adapter.zip -Algorithm SHA256
+            if ($checksum_driver -eq $downloadsum_driver.Hash -and $checksum_dll -eq $downloadsum_dll.Hash) {
+                Write-Output "rustdesk_printer_driver_v4, checksums match, extract the file."
+                Expand-Archive rustdesk_printer_driver_v4.zip -DestinationPath .
+                mkdir ./rustdesk/drivers
+                mv -Force .\rustdesk_printer_driver_v4 ./rustdesk/drivers/RustDeskPrinterDriver
+                Expand-Archive printer_driver_adapter.zip -DestinationPath .
+                mv -Force .\printer_driver_adapter.dll ./rustdesk
+            } elseif ($checksum_driver -ne $downloadsum_driver.Hash) {
+                Write-Output "rustdesk_printer_driver_v4, checksums do not match, ignore the file."
+            } else {
+                Write-Output "printer_driver_adapter.dll, checksums do not match, ignore the file."
+            }
+          } catch {
+              Write-Host "Ingore the printer driver error."
+          }
+
       - name: find Runner.res
         # Windows: find Runner.res (compiled from ./flutter/windows/runner/Runner.rc), copy to ./Runner.res
         # Runner.rc does not contain actual version, but Runner.res does

Cargo.lock

@@ -5559,6 +5559,15 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
 
+[[package]]
+name = "remote_printer"
+version = "0.1.0"
+dependencies = [
+ "hbb_common",
+ "winapi 0.3.9",
+ "windows-strings",
+]
+
 [[package]]
 name = "repng"
 version = "0.2.2"
@@ -5805,6 +5814,7 @@ dependencies = [
  "percent-encoding",
  "qrcode-generator",
  "rdev",
+ "remote_printer",
  "repng",
  "reqwest",
  "ringbuf",
@@ -7833,6 +7843,12 @@ dependencies = [
  "syn 2.0.98",
 ]
 
+[[package]]
+name = "windows-link"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38"
+
 [[package]]
 name = "windows-result"
 version = "0.1.2"
@@ -7853,6 +7869,15 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "windows-strings"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87fa48cc5d406560701792be122a10132491cff9d0aeb23583cc2dcafc847319"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.45.0"

Cargo.toml

@@ -116,10 +116,12 @@ winapi = { version = "0.3", features = [
     "cguid",
     "cfgmgr32",
     "ioapiset",
+    "winspool",
 ] }
 winreg = "0.11"
 windows-service = "0.6"
 virtual_display = { path = "libs/virtual_display" }
+remote_printer = { path = "libs/remote_printer" }
 impersonate_system = { git = "https://github.com/rustdesk-org/impersonate-system" }
 shared_memory = "0.12"
 tauri-winrt-notification = "0.1.2"
@@ -177,7 +179,7 @@ jni = "0.21"
 android-wakelock = { git = "https://github.com/rustdesk-org/android-wakelock" }
 
 [workspace]
-members = ["libs/scrap", "libs/hbb_common", "libs/enigo", "libs/clipboard", "libs/virtual_display", "libs/virtual_display/dylib", "libs/portable"]
+members = ["libs/scrap", "libs/hbb_common", "libs/enigo", "libs/clipboard", "libs/virtual_display", "libs/virtual_display/dylib", "libs/portable", "libs/remote_printer"]
 exclude = ["vdi/host", "examples/custom_plugin"]
 
 [package.metadata.winres]

flutter/lib/common.dart

@@ -3789,3 +3789,29 @@ void updateTextAndPreserveSelection(
         baseOffset: 0, extentOffset: controller.value.text.length);
   }
 }
+
+List<String> getPrinterNames() {
+  final printerNamesJson = bind.mainGetPrinterNames();
+  if (printerNamesJson.isEmpty) {
+    return [];
+  }
+  try {
+    final List<dynamic> printerNamesList = jsonDecode(printerNamesJson);
+    final appPrinterName = '$appName Printer';
+    return printerNamesList
+        .map((e) => e.toString())
+        .where((name) => name != appPrinterName)
+        .toList();
+  } catch (e) {
+    debugPrint('failed to parse printer names, err: $e');
+    return [];
+  }
+}
+
+String _appName = '';
+String get appName {
+  if (_appName.isEmpty) {
+    _appName = bind.mainGetAppNameSync();
+  }
+  return _appName;
+}

flutter/lib/common/widgets/dialog.dart

@@ -4,7 +4,6 @@ import 'dart:convert';
 import 'package:bot_toast/bot_toast.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_hbb/common/shared_state.dart';
 import 'package:flutter_hbb/common/widgets/setting_widgets.dart';
 import 'package:flutter_hbb/consts.dart';

flutter/lib/consts.dart

@@ -98,6 +98,7 @@ const String kOptionVideoSaveDirectory = "video-save-directory";
 const String kOptionAccessMode = "access-mode";
 const String kOptionEnableKeyboard = "enable-keyboard";
 // "Settings -> Security -> Permissions"
+const String kOptionEnableRemotePrinter = "enable-remote-printer";
 const String kOptionEnableClipboard = "enable-clipboard";
 const String kOptionEnableFileTransfer = "enable-file-transfer";
 const String kOptionEnableAudio = "enable-audio";
@@ -219,6 +220,14 @@ const double kDefaultQuality = 50;
 const double kMaxQuality = 100;
 const double kMaxMoreQuality = 2000;
 
+const String kKeyPrinterIncommingJobAction = 'printer-incomming-job-action';
+const String kValuePrinterIncomingJobDismiss = 'dismiss';
+const String kValuePrinterIncomingJobDefault = '';
+const String kValuePrinterIncomingJobSelected = 'selected';
+const String kKeyPrinterSelected = 'printer-selected-name';
+const String kKeyPrinterSave = 'allow-printer-dialog-save';
+const String kKeyPrinterAllowAutoPrint = 'allow-printer-auto-print';
+
 double kNewWindowOffset = isWindows
     ? 56.0
     : isLinux

flutter/lib/desktop/pages/desktop_setting_page.dart

@@ -13,6 +13,7 @@ import 'package:flutter_hbb/desktop/pages/desktop_home_page.dart';
 import 'package:flutter_hbb/desktop/pages/desktop_tab_page.dart';
 import 'package:flutter_hbb/mobile/widgets/dialog.dart';
 import 'package:flutter_hbb/models/platform_model.dart';
+import 'package:flutter_hbb/models/printer_model.dart';
 import 'package:flutter_hbb/models/server_model.dart';
 import 'package:flutter_hbb/models/state_model.dart';
 import 'package:flutter_hbb/plugin/manager.dart';
@@ -55,6 +56,7 @@ enum SettingsTabKey {
   display,
   plugin,
   account,
+  printer,
   about,
 }
 
@@ -74,6 +76,7 @@ class DesktopSettingPage extends StatefulWidget {
     if (!isWeb && !bind.isIncomingOnly() && bind.pluginFeatureIsEnabled())
       SettingsTabKey.plugin,
     if (!bind.isDisableAccount()) SettingsTabKey.account,
+    if (isWindows) SettingsTabKey.printer,
     SettingsTabKey.about,
   ];
 
@@ -198,6 +201,10 @@ class _DesktopSettingPageState extends State<DesktopSettingPage>
           settingTabs.add(
               _TabInfo(tab, 'Account', Icons.person_outline, Icons.person));
           break;
+        case SettingsTabKey.printer:
+          settingTabs
+              .add(_TabInfo(tab, 'Printer', Icons.print_outlined, Icons.print));
+          break;
         case SettingsTabKey.about:
           settingTabs
               .add(_TabInfo(tab, 'About', Icons.info_outline, Icons.info));
@@ -229,6 +236,9 @@ class _DesktopSettingPageState extends State<DesktopSettingPage>
         case SettingsTabKey.account:
           children.add(const _Account());
           break;
+        case SettingsTabKey.printer:
+          children.add(const _Printer());
+          break;
         case SettingsTabKey.about:
           children.add(const _About());
           break;
@@ -963,6 +973,10 @@ class _SafetyState extends State<_Safety> with AutomaticKeepAliveClientMixin {
             _OptionCheckBox(
                 context, 'Enable keyboard/mouse', kOptionEnableKeyboard,
                 enabled: enabled, fakeValue: fakeValue),
+            if (isWindows)
+              _OptionCheckBox(
+                  context, 'Enable remote printer', kOptionEnableRemotePrinter,
+                  enabled: enabled, fakeValue: fakeValue),
             _OptionCheckBox(context, 'Enable clipboard', kOptionEnableClipboard,
                 enabled: enabled, fakeValue: fakeValue),
             _OptionCheckBox(
@@ -1881,6 +1895,153 @@ class _PluginState extends State<_Plugin> {
   }
 }
 
+class _Printer extends StatefulWidget {
+  const _Printer({super.key});
+
+  @override
+  State<_Printer> createState() => __PrinterState();
+}
+
+class __PrinterState extends State<_Printer> {
+  @override
+  Widget build(BuildContext context) {
+    final scrollController = ScrollController();
+    return ListView(controller: scrollController, children: [
+      outgoing(context),
+      incomming(context),
+    ]).marginOnly(bottom: _kListViewBottomMargin);
+  }
+
+  Widget outgoing(BuildContext context) {
+    final isSupportPrinterDriver =
+        bind.mainGetCommonSync(key: 'is-support-printer-driver') == 'true';
+
+    Widget tipOsNotSupported() {
+      return Align(
+        alignment: Alignment.topLeft,
+        child: Text(translate('printer-os-requirement-tip')),
+      ).marginOnly(left: _kCardLeftMargin);
+    }
+
+    Widget tipClientNotInstalled() {
+      return Align(
+        alignment: Alignment.topLeft,
+        child:
+            Text(translate('printer-requires-installed-{$appName}-client-tip')),
+      ).marginOnly(left: _kCardLeftMargin);
+    }
+
+    Widget tipPrinterNotInstalled() {
+      final failedMsg = ''.obs;
+      platformFFI.registerEventHandler(
+          'install-printer-res', 'install-printer-res', (evt) async {
+        if (evt['success'] as bool) {
+          setState(() {});
+        } else {
+          failedMsg.value = evt['msg'] as String;
+        }
+      }, replace: true);
+      return Column(children: [
+        Obx(
+          () => failedMsg.value.isNotEmpty
+              ? Offstage()
+              : Align(
+                  alignment: Alignment.topLeft,
+                  child: Text(translate('printer-{$appName}-not-installed-tip'))
+                      .marginOnly(bottom: 10.0),
+                ),
+        ),
+        Obx(
+          () => failedMsg.value.isEmpty
+              ? Offstage()
+              : Align(
+                  alignment: Alignment.topLeft,
+                  child: Text(failedMsg.value,
+                          style: DefaultTextStyle.of(context)
+                              .style
+                              .copyWith(color: Colors.red))
+                      .marginOnly(bottom: 10.0)),
+        ),
+        _Button('Install {$appName} Printer', () {
+          failedMsg.value = '';
+          bind.mainSetCommon(key: 'install-printer', value: '');
+        })
+      ]).marginOnly(left: _kCardLeftMargin, bottom: 2.0);
+    }
+
+    Widget tipReady() {
+      return Align(
+        alignment: Alignment.topLeft,
+        child: Text(translate('printer-{$appName}-ready-tip')),
+      ).marginOnly(left: _kCardLeftMargin);
+    }
+
+    final installed = bind.mainIsInstalled();
+    // `is-printer-installed` may fail, but it's rare case.
+    // Add additional error message here if it's really needed.
+    final driver_installed =
+        bind.mainGetCommonSync(key: 'is-printer-installed') == 'true';
+
+    final List<Widget> children = [];
+    if (!isSupportPrinterDriver) {
+      children.add(tipOsNotSupported());
+    } else {
+      children.addAll([
+        if (!installed) tipClientNotInstalled(),
+        if (installed && !driver_installed) tipPrinterNotInstalled(),
+        if (installed && driver_installed) tipReady()
+      ]);
+    }
+    return _Card(title: 'Outgoing Print Jobs', children: children);
+  }
+
+  Widget incomming(BuildContext context) {
+    onRadioChanged(String value) async {
+      await bind.mainSetLocalOption(
+          key: kKeyPrinterIncommingJobAction, value: value);
+      setState(() {});
+    }
+
+    PrinterOptions printerOptions = PrinterOptions.load();
+    return _Card(title: 'Incomming Print Jobs', children: [
+      _Radio(context,
+          value: kValuePrinterIncomingJobDismiss,
+          groupValue: printerOptions.action,
+          label: 'Dismiss',
+          onChanged: onRadioChanged),
+      _Radio(context,
+          value: kValuePrinterIncomingJobDefault,
+          groupValue: printerOptions.action,
+          label: 'use-the-default-printer-tip',
+          onChanged: onRadioChanged),
+      _Radio(context,
+          value: kValuePrinterIncomingJobSelected,
+          groupValue: printerOptions.action,
+          label: 'use-the-selected-printer-tip',
+          onChanged: onRadioChanged),
+      if (printerOptions.printerNames.isNotEmpty)
+        ComboBox(
+          initialKey: printerOptions.printerName,
+          keys: printerOptions.printerNames,
+          values: printerOptions.printerNames,
+          enabled: printerOptions.action == kValuePrinterIncomingJobSelected,
+          onChanged: (value) async {
+            await bind.mainSetLocalOption(
+                key: kKeyPrinterSelected, value: value);
+            setState(() {});
+          },
+        ).marginOnly(left: 10),
+      _OptionCheckBox(
+        context,
+        'auto-print-tip',
+        kKeyPrinterAllowAutoPrint,
+        isServer: false,
+        enabled: printerOptions.action != kValuePrinterIncomingJobDismiss,
+      )
+    ]);
+  }
+}
+
 class _About extends StatefulWidget {
   const _About({Key? key}) : super(key: key);
 

flutter/lib/desktop/pages/install_page.dart

@@ -65,6 +65,7 @@ class _InstallPageBodyState extends State<_InstallPageBody>
   late final TextEditingController controller;
   final RxBool startmenu = true.obs;
   final RxBool desktopicon = true.obs;
+  final RxBool printer = true.obs;
   final RxBool showProgress = false.obs;
   final RxBool btnEnabled = true.obs;
 
@@ -79,6 +80,7 @@ class _InstallPageBodyState extends State<_InstallPageBody>
     final installOptions = jsonDecode(bind.installInstallOptions());
     startmenu.value = installOptions['STARTMENUSHORTCUTS'] != '0';
     desktopicon.value = installOptions['DESKTOPSHORTCUTS'] != '0';
+    printer.value = installOptions['PRINTER'] != '0';
   }
 
   @override
@@ -161,7 +163,9 @@ class _InstallPageBodyState extends State<_InstallPageBody>
               ).marginSymmetric(vertical: 2 * em),
               Option(startmenu, label: 'Create start menu shortcuts')
                   .marginOnly(bottom: 7),
-              Option(desktopicon, label: 'Create desktop icon'),
+              Option(desktopicon, label: 'Create desktop icon')
+                  .marginOnly(bottom: 7),
+              Option(printer, label: 'Install {$appName} Printer'),
               Container(
                   padding: EdgeInsets.all(12),
                   decoration: BoxDecoration(
@@ -253,6 +257,7 @@ class _InstallPageBodyState extends State<_InstallPageBody>
       String args = '';
       if (startmenu.value) args += ' startmenu';
       if (desktopicon.value) args += ' desktopicon';
+      if (printer.value) args += ' printer';
       bind.installInstallMe(options: args, path: controller.text);
     }
 

flutter/lib/models/file_model.dart

@@ -30,8 +30,15 @@ enum SortBy {
 class JobID {
   int _count = 0;
   int next() {
-    _count++;
+    String v = bind.mainGetCommonSync(key: 'transfer-job-id');
-    return _count;
+    try {
+      return int.parse(v);
+    } catch (e) {
+      // unreachable. But we still handle it to make it safe.
+      // If we return -1, we have to check it in the caller.
+      _count++;
+      return _count;
+    }
   }
 }
 

flutter/lib/models/model.dart

@@ -9,7 +9,6 @@ import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_hbb/common/widgets/peers_view.dart';
 import 'package:flutter_hbb/consts.dart';
 import 'package:flutter_hbb/models/ab_model.dart';
@@ -19,6 +18,7 @@ import 'package:flutter_hbb/models/file_model.dart';
 import 'package:flutter_hbb/models/group_model.dart';
 import 'package:flutter_hbb/models/peer_model.dart';
 import 'package:flutter_hbb/models/peer_tab_model.dart';
+import 'package:flutter_hbb/models/printer_model.dart';
 import 'package:flutter_hbb/models/server_model.dart';
 import 'package:flutter_hbb/models/user_model.dart';
 import 'package:flutter_hbb/models/state_model.dart';
@@ -412,12 +412,186 @@ class FfiModel with ChangeNotifier {
             isMobile) {
           parent.target?.recordingModel.updateStatus(evt['start'] == 'true');
         }
+      } else if (name == "printer_request") {
+        _handlePrinterRequest(evt, sessionId, peerId);
       } else {
         debugPrint('Event is not handled in the fixed branch: $name');
       }
     };
   }
 
+  _handlePrinterRequest(
+      Map<String, dynamic> evt, SessionID sessionId, String peerId) {
+    final id = evt['id'];
+    final path = evt['path'];
+    final dialogManager = parent.target!.dialogManager;
+    dialogManager.show((setState, close, context) {
+      PrinterOptions printerOptions = PrinterOptions.load();
+      final saveSettings = mainGetLocalBoolOptionSync(kKeyPrinterSave).obs;
+      final dontShowAgain = false.obs;
+      final Rx<String> selectedPrinterName = printerOptions.printerName.obs;
+      final printerNames = printerOptions.printerNames;
+      final defaultOrSelectedGroupValue =
+          (printerOptions.action == kValuePrinterIncomingJobDismiss
+                  ? kValuePrinterIncomingJobDefault
+                  : printerOptions.action)
+              .obs;
+
+      onRatioChanged(String? value) {
+        defaultOrSelectedGroupValue.value =
+            value ?? kValuePrinterIncomingJobDefault;
+      }
+
+      onSubmit() {
+        final printerName = defaultOrSelectedGroupValue.isEmpty
+            ? ''
+            : selectedPrinterName.value;
+        bind.sessionPrinterResponse(
+            sessionId: sessionId, id: id, path: path, printerName: printerName);
+        if (saveSettings.value || dontShowAgain.value) {
+          bind.mainSetLocalOption(key: kKeyPrinterSelected, value: printerName);
+          bind.mainSetLocalOption(
+              key: kKeyPrinterIncommingJobAction,
+              value: defaultOrSelectedGroupValue.value);
+        }
+        if (dontShowAgain.value) {
+          mainSetLocalBoolOption(kKeyPrinterAllowAutoPrint, true);
+        }
+        close();
+      }
+
+      onCancel() {
+        if (dontShowAgain.value) {
+          bind.mainSetLocalOption(
+              key: kKeyPrinterIncommingJobAction,
+              value: kValuePrinterIncomingJobDismiss);
+        }
+        close();
+      }
+
+      final printerItemHeight = 30.0;
+      final selectionAreaHeight =
+          printerItemHeight * min(8.0, max(printerNames.length, 3.0));
+      final content = Column(
+        children: [
+          Text(translate('print-incoming-job-confirm-tip')),
+          Row(
+            children: [
+              Obx(() => Radio<String>(
+                  value: kValuePrinterIncomingJobDefault,
+                  groupValue: defaultOrSelectedGroupValue.value,
+                  onChanged: onRatioChanged)),
+              GestureDetector(
+                  child: Text(translate('use-the-default-printer-tip')),
+                  onTap: () => onRatioChanged(kValuePrinterIncomingJobDefault)),
+            ],
+          ),
+          Column(
+            children: [
+              Row(children: [
+                Obx(() => Radio<String>(
+                    value: kValuePrinterIncomingJobSelected,
+                    groupValue: defaultOrSelectedGroupValue.value,
+                    onChanged: onRatioChanged)),
+                GestureDetector(
+                    child: Text(translate('use-the-selected-printer-tip')),
+                    onTap: () =>
+                        onRatioChanged(kValuePrinterIncomingJobSelected)),
+              ]),
+              SizedBox(
+                height: selectionAreaHeight,
+                width: 500,
+                child: ListView.builder(
+                    itemBuilder: (context, index) {
+                      return Obx(() => GestureDetector(
+                            child: Container(
+                              decoration: BoxDecoration(
+                                color: selectedPrinterName.value ==
+                                        printerNames[index]
+                                    ? (defaultOrSelectedGroupValue.value ==
+                                            kValuePrinterIncomingJobSelected
+                                        ? MyTheme.button
+                                        : MyTheme.button.withOpacity(0.5))
+                                    : Theme.of(context).cardColor,
+                                borderRadius: BorderRadius.all(
+                                  Radius.circular(5.0),
+                                ),
+                              ),
+                              key: ValueKey(printerNames[index]),
+                              height: printerItemHeight,
+                              child: Align(
+                                alignment: Alignment.centerLeft,
+                                child: Padding(
+                                  padding: const EdgeInsets.only(left: 10.0),
+                                  child: Text(
+                                    printerNames[index],
+                                    style: TextStyle(fontSize: 14),
+                                  ),
+                                ),
+                              ),
+                            ),
+                            onTap: defaultOrSelectedGroupValue.value ==
+                                    kValuePrinterIncomingJobSelected
+                                ? () {
+                                    selectedPrinterName.value =
+                                        printerNames[index];
+                                  }
+                                : null,
+                          ));
+                    },
+                    itemCount: printerNames.length),
+              ),
+            ],
+          ),
+          Row(
+            children: [
+              Obx(() => Checkbox(
+                  value: saveSettings.value,
+                  onChanged: (value) {
+                    if (value != null) {
+                      saveSettings.value = value;
+                      mainSetLocalBoolOption(kKeyPrinterSave, value);
+                    }
+                  })),
+              GestureDetector(
+                  child: Text(translate('save-settings-tip')),
+                  onTap: () {
+                    saveSettings.value = !saveSettings.value;
+                    mainSetLocalBoolOption(kKeyPrinterSave, saveSettings.value);
+                  }),
+            ],
+          ),
+          Row(
+            children: [
+              Obx(() => Checkbox(
+                  value: dontShowAgain.value,
+                  onChanged: (value) {
+                    if (value != null) {
+                      dontShowAgain.value = value;
+                    }
+                  })),
+              GestureDetector(
+                  child: Text(translate('dont-show-again-tip')),
+                  onTap: () {
+                    dontShowAgain.value = !dontShowAgain.value;
+                  }),
+            ],
+          ),
+        ],
+      );
+      return CustomAlertDialog(
+        title: Text(translate('Incoming Print Job')),
+        content: content,
+        actions: [
+          dialogButton('OK', onPressed: onSubmit),
+          dialogButton('Cancel', onPressed: onCancel),
+        ],
+        onSubmit: onSubmit,
+        onCancel: onCancel,
+      );
+    });
+  }
+
   _handleUseTextureRender(
       Map<String, dynamic> evt, SessionID sessionId, String peerId) {
     parent.target?.imageModel.setUseTextureRender(evt['v'] == 'Y');

flutter/lib/models/native_model.dart

@@ -60,14 +60,14 @@ class PlatformFFI {
   }
 
   bool registerEventHandler(
-      String eventName, String handlerName, HandleEvent handler) {
+      String eventName, String handlerName, HandleEvent handler, {bool replace = false}) {
     debugPrint('registerEventHandler $eventName $handlerName');
     var handlers = _eventHandlers[eventName];
     if (handlers == null) {
       _eventHandlers[eventName] = {handlerName: handler};
       return true;
     } else {
-      if (handlers.containsKey(handlerName)) {
+      if (!replace && handlers.containsKey(handlerName)) {
         return false;
       } else {
         handlers[handlerName] = handler;

flutter/lib/models/printer_model.dart

@@ -0,0 +1,48 @@
+import 'package:flutter_hbb/common.dart';
+import 'package:flutter_hbb/consts.dart';
+import 'package:flutter_hbb/models/platform_model.dart';
+
+class PrinterOptions {
+  String action;
+  List<String> printerNames;
+  String printerName;
+
+  PrinterOptions(
+      {required this.action,
+      required this.printerNames,
+      required this.printerName});
+
+  static PrinterOptions load() {
+    var action = bind.mainGetLocalOption(key: kKeyPrinterIncommingJobAction);
+    if (![
+      kValuePrinterIncomingJobDismiss,
+      kValuePrinterIncomingJobDefault,
+      kValuePrinterIncomingJobSelected
+    ].contains(action)) {
+      action = kValuePrinterIncomingJobDefault;
+    }
+
+    final printerNames = getPrinterNames();
+    var selectedPrinterName = bind.mainGetLocalOption(key: kKeyPrinterSelected);
+    if (!printerNames.contains(selectedPrinterName)) {
+      if (action == kValuePrinterIncomingJobSelected) {
+        action = kValuePrinterIncomingJobDefault;
+        bind.mainSetLocalOption(
+            key: kKeyPrinterIncommingJobAction,
+            value: kValuePrinterIncomingJobDefault);
+        if (printerNames.isEmpty) {
+          selectedPrinterName = '';
+        } else {
+          selectedPrinterName = printerNames.first;
+        }
+        bind.mainSetLocalOption(
+            key: kKeyPrinterSelected, value: selectedPrinterName);
+      }
+    }
+
+    return PrinterOptions(
+        action: action,
+        printerNames: printerNames,
+        printerName: selectedPrinterName);
+  }
+}

libs/remote_printer/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "remote_printer"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[target.'cfg(target_os = "windows")'.dependencies]
+hbb_common = { version = "0.1.0", path = "../hbb_common" }
+winapi = { version = "0.3" }
+windows-strings = "0.3.1"

libs/remote_printer/src/lib.rs

@@ -0,0 +1,34 @@
+#[cfg(target_os = "windows")]
+mod setup;
+#[cfg(target_os = "windows")]
+pub use setup::{
+    is_rd_printer_installed,
+    setup::{install_update_printer, uninstall_printer},
+};
+
+#[cfg(target_os = "windows")]
+const RD_DRIVER_INF_PATH: &str = "drivers/RustDeskPrinterDriver/RustDeskPrinterDriver.inf";
+
+#[cfg(target_os = "windows")]
+fn get_printer_name(app_name: &str) -> Vec<u16> {
+    format!("{} Printer", app_name)
+        .encode_utf16()
+        .chain(Some(0))
+        .collect()
+}
+
+#[cfg(target_os = "windows")]
+fn get_driver_name() -> Vec<u16> {
+    "RustDesk v4 Printer Driver"
+        .encode_utf16()
+        .chain(Some(0))
+        .collect()
+}
+
+#[cfg(target_os = "windows")]
+fn get_port_name(app_name: &str) -> Vec<u16> {
+    format!("{} Printer", app_name)
+        .encode_utf16()
+        .chain(Some(0))
+        .collect()
+}

libs/remote_printer/src/setup/driver.rs

@@ -0,0 +1,202 @@
+use super::{common_enum, get_wstr_bytes, is_name_equal};
+use hbb_common::{bail, log, ResultType};
+use std::{io, ptr::null_mut, time::Duration};
+use winapi::{
+    shared::{
+        minwindef::{BOOL, DWORD, FALSE, LPBYTE, LPDWORD, MAX_PATH},
+        ntdef::{DWORDLONG, LPCWSTR},
+        winerror::{ERROR_UNKNOWN_PRINTER_DRIVER, S_OK},
+    },
+    um::{
+        winspool::{
+            DeletePrinterDriverExW, DeletePrinterDriverPackageW, EnumPrinterDriversW,
+            InstallPrinterDriverFromPackageW, UploadPrinterDriverPackageW, DPD_DELETE_ALL_FILES,
+            DRIVER_INFO_6W, DRIVER_INFO_8W, IPDFP_COPY_ALL_FILES, UPDP_SILENT_UPLOAD,
+            UPDP_UPLOAD_ALWAYS,
+        },
+        winuser::GetForegroundWindow,
+    },
+};
+use windows_strings::PCWSTR;
+
+const HRESULT_ERR_ELEMENT_NOT_FOUND: u32 = 0x80070490;
+
+fn enum_printer_driver(
+    level: DWORD,
+    p_driver_info: LPBYTE,
+    cb_buf: DWORD,
+    pcb_needed: LPDWORD,
+    pc_returned: LPDWORD,
+) -> BOOL {
+    unsafe {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/enumprinterdrivers
+        // This is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors
+        // such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        EnumPrinterDriversW(
+            null_mut(),
+            null_mut(),
+            level,
+            p_driver_info,
+            cb_buf,
+            pcb_needed,
+            pc_returned,
+        )
+    }
+}
+
+pub fn get_installed_driver_version(name: &PCWSTR) -> ResultType<Option<DWORDLONG>> {
+    common_enum(
+        "EnumPrinterDriversW",
+        enum_printer_driver,
+        6,
+        |info: &DRIVER_INFO_6W| {
+            if is_name_equal(name, info.pName) {
+                Some(info.dwlDriverVersion)
+            } else {
+                None
+            }
+        },
+        || None,
+    )
+}
+
+fn find_inf(name: &PCWSTR) -> ResultType<Vec<u16>> {
+    let r = common_enum(
+        "EnumPrinterDriversW",
+        enum_printer_driver,
+        8,
+        |info: &DRIVER_INFO_8W| {
+            if is_name_equal(name, info.pName) {
+                Some(get_wstr_bytes(info.pszInfPath))
+            } else {
+                None
+            }
+        },
+        || None,
+    )?;
+    Ok(r.unwrap_or(vec![]))
+}
+
+fn delete_printer_driver(name: &PCWSTR) -> ResultType<()> {
+    unsafe {
+        // If the printer is used after the spooler service is started. E.g., printing a document through RustDesk Printer.
+        // `DeletePrinterDriverExW()` may fail with `ERROR_PRINTER_DRIVER_IN_USE`(3001, 0xBB9).
+        // We can only ignore this error for now.
+        // Though restarting the spooler service is a solution, it's not a good idea to restart the service.
+        //
+        // Deleting the printer driver after deleting the printer is a common practice.
+        // No idea why `DeletePrinterDriverExW()` fails with `ERROR_UNKNOWN_PRINTER_DRIVER` after using the printer once.
+        // https://github.com/ChromiumWebApps/chromium/blob/c7361d39be8abd1574e6ce8957c8dbddd4c6ccf7/cloud_print/virtual_driver/win/install/setup.cc#L422
+        // AnyDesk printer driver and the simplest printer driver also have the same issue.
+        if FALSE
+            == DeletePrinterDriverExW(
+                null_mut(),
+                null_mut(),
+                name.as_ptr() as _,
+                DPD_DELETE_ALL_FILES,
+                0,
+            )
+        {
+            let err = io::Error::last_os_error();
+            if err.raw_os_error() == Some(ERROR_UNKNOWN_PRINTER_DRIVER as _) {
+                return Ok(());
+            } else {
+                bail!("Failed to delete the printer driver, {}", err)
+            }
+        }
+    }
+    Ok(())
+}
+
+// https://github.com/dvalter/chromium-android-ext-dev/blob/dab74f7d5bc5a8adf303090ee25c611b4d54e2db/cloud_print/virtual_driver/win/install/setup.cc#L190
+fn delete_printer_driver_package(inf: Vec<u16>) -> ResultType<()> {
+    if inf.is_empty() {
+        return Ok(());
+    }
+    let slen = if inf[inf.len() - 1] == 0 {
+        inf.len() - 1
+    } else {
+        inf.len()
+    };
+    let inf_path = String::from_utf16_lossy(&inf[..slen]);
+    if !std::path::Path::new(&inf_path).exists() {
+        return Ok(());
+    }
+
+    let mut retries = 3;
+    loop {
+        unsafe {
+            let res = DeletePrinterDriverPackageW(null_mut(), inf.as_ptr(), null_mut());
+            if res == S_OK || res == HRESULT_ERR_ELEMENT_NOT_FOUND as i32 {
+                return Ok(());
+            }
+            log::error!("Failed to delete the printer driver, result: {}", res);
+        }
+        retries -= 1;
+        if retries <= 0 {
+            bail!("Failed to delete the printer driver");
+        }
+        std::thread::sleep(Duration::from_secs(2));
+    }
+}
+
+pub fn uninstall_driver(name: &PCWSTR) -> ResultType<()> {
+    // Note: inf must be found before `delete_printer_driver()`.
+    let inf = find_inf(name)?;
+    delete_printer_driver(name)?;
+    delete_printer_driver_package(inf)
+}
+
+pub fn install_driver(name: &PCWSTR, inf: LPCWSTR) -> ResultType<()> {
+    let mut size = (MAX_PATH * 10) as u32;
+    let mut package_path = [0u16; MAX_PATH * 10];
+    unsafe {
+        let mut res = UploadPrinterDriverPackageW(
+            null_mut(),
+            inf,
+            null_mut(),
+            UPDP_SILENT_UPLOAD | UPDP_UPLOAD_ALWAYS,
+            null_mut(),
+            package_path.as_mut_ptr(),
+            &mut size as _,
+        );
+        if res != S_OK {
+            log::error!(
+                "Failed to upload the printer driver package to the driver cache silently, {}. Will try with user UI.",
+                res
+            );
+
+            res = UploadPrinterDriverPackageW(
+                null_mut(),
+                inf,
+                null_mut(),
+                UPDP_UPLOAD_ALWAYS,
+                GetForegroundWindow(),
+                package_path.as_mut_ptr(),
+                &mut size as _,
+            );
+            if res != S_OK {
+                bail!(
+                    "Failed to upload the printer driver package to the driver cache with UI, {}",
+                    res
+                );
+            }
+        }
+
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/installprinterdriverfrompackage
+        res = InstallPrinterDriverFromPackageW(
+            null_mut(),
+            package_path.as_ptr(),
+            name.as_ptr(),
+            null_mut(),
+            IPDFP_COPY_ALL_FILES,
+        );
+        if res != S_OK {
+            bail!("Failed to install the printer driver from package, {}", res);
+        }
+    }
+
+    Ok(())
+}

libs/remote_printer/src/setup/mod.rs

@@ -0,0 +1,99 @@
+use hbb_common::{bail, ResultType};
+use std::{io, ptr::null_mut};
+use winapi::{
+    shared::{
+        minwindef::{BOOL, DWORD, FALSE, LPBYTE, LPDWORD},
+        ntdef::{LPCWSTR, LPWSTR},
+    },
+    um::winbase::{lstrcmpiW, lstrlenW},
+};
+use windows_strings::PCWSTR;
+
+mod driver;
+mod port;
+pub(crate) mod printer;
+pub(crate) mod setup;
+
+#[inline]
+pub fn is_rd_printer_installed(app_name: &str) -> ResultType<bool> {
+    let printer_name = crate::get_printer_name(app_name);
+    let rd_printer_name = PCWSTR::from_raw(printer_name.as_ptr());
+    printer::is_printer_added(&rd_printer_name)
+}
+
+fn get_wstr_bytes(p: LPWSTR) -> Vec<u16> {
+    let mut vec_bytes = vec![];
+    unsafe {
+        let len: isize = lstrlenW(p) as _;
+        if len > 0 {
+            for i in 0..len + 1 {
+                vec_bytes.push(*p.offset(i));
+            }
+        }
+    }
+    vec_bytes
+}
+
+fn is_name_equal(name: &PCWSTR, name_from_api: LPCWSTR) -> bool {
+    // https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-lstrcmpiw
+    // For some locales, the lstrcmpi function may be insufficient.
+    // If this occurs, use `CompareStringEx` to ensure proper comparison.
+    // For example, in Japan call with the NORM_IGNORECASE, NORM_IGNOREKANATYPE, and NORM_IGNOREWIDTH values to achieve the most appropriate non-exact string comparison.
+    // Note that specifying these values slows performance, so use them only when necessary.
+    //
+    //  No need to consider `CompareStringEx` for now.
+    unsafe { lstrcmpiW(name.as_ptr(), name_from_api) == 0 }
+}
+
+fn common_enum<T, R: Sized>(
+    enum_name: &str,
+    enum_fn: fn(
+        Level: DWORD,
+        pDriverInfo: LPBYTE,
+        cbBuf: DWORD,
+        pcbNeeded: LPDWORD,
+        pcReturned: LPDWORD,
+    ) -> BOOL,
+    level: DWORD,
+    on_data: impl Fn(&T) -> Option<R>,
+    on_no_data: impl Fn() -> Option<R>,
+) -> ResultType<Option<R>> {
+    let mut needed = 0;
+    let mut returned = 0;
+    enum_fn(level, null_mut(), 0, &mut needed, &mut returned);
+    if needed == 0 {
+        return Ok(on_no_data());
+    }
+
+    let mut buffer = vec![0u8; needed as usize];
+    if FALSE
+        == enum_fn(
+            level,
+            buffer.as_mut_ptr(),
+            needed,
+            &mut needed,
+            &mut returned,
+        )
+    {
+        bail!(
+            "Failed to call {}, error: {}",
+            enum_name,
+            io::Error::last_os_error()
+        )
+    }
+
+    // to-do: how to free the buffers in *const T?
+
+    let p_enum_info = buffer.as_ptr() as *const T;
+    unsafe {
+        for i in 0..returned {
+            let enum_info = p_enum_info.offset(i as isize);
+            let r = on_data(&*enum_info);
+            if r.is_some() {
+                return Ok(r);
+            }
+        }
+    }
+
+    Ok(on_no_data())
+}

libs/remote_printer/src/setup/port.rs

@@ -0,0 +1,128 @@
+use super::{common_enum, is_name_equal, printer::get_printer_installed_on_port};
+use hbb_common::{bail, ResultType};
+use std::{io, ptr::null_mut};
+use winapi::{
+    shared::minwindef::{BOOL, DWORD, FALSE, LPBYTE, LPDWORD},
+    um::{
+        winnt::HANDLE,
+        winspool::{
+            ClosePrinter, EnumPortsW, OpenPrinterW, XcvDataW, PORT_INFO_2W, PRINTER_DEFAULTSW,
+            SERVER_WRITE,
+        },
+    },
+};
+use windows_strings::{w, PCWSTR};
+
+const XCV_MONITOR_LOCAL_PORT: PCWSTR = w!(",XcvMonitor Local Port");
+
+fn enum_printer_port(
+    level: DWORD,
+    p_port_info: LPBYTE,
+    cb_buf: DWORD,
+    pcb_needed: LPDWORD,
+    pc_returned: LPDWORD,
+) -> BOOL {
+    unsafe {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/enumports
+        // This is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors
+        // such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        EnumPortsW(
+            null_mut(),
+            level,
+            p_port_info,
+            cb_buf,
+            pcb_needed,
+            pc_returned,
+        )
+    }
+}
+
+fn is_port_exists(name: &PCWSTR) -> ResultType<bool> {
+    let r = common_enum(
+        "EnumPortsW",
+        enum_printer_port,
+        2,
+        |info: &PORT_INFO_2W| {
+            if is_name_equal(name, info.pPortName) {
+                Some(true)
+            } else {
+                None
+            }
+        },
+        || None,
+    )?;
+    Ok(r.unwrap_or(false))
+}
+
+unsafe fn execute_on_local_port(port: &PCWSTR, command: &PCWSTR) -> ResultType<()> {
+    let mut dft = PRINTER_DEFAULTSW {
+        pDataType: null_mut(),
+        pDevMode: null_mut(),
+        DesiredAccess: SERVER_WRITE,
+    };
+    let mut h_monitor: HANDLE = null_mut();
+    if FALSE
+        == OpenPrinterW(
+            XCV_MONITOR_LOCAL_PORT.as_ptr() as _,
+            &mut h_monitor,
+            &mut dft as *mut PRINTER_DEFAULTSW as _,
+        )
+    {
+        bail!(format!(
+            "Failed to open Local Port monitor. Error: {}",
+            io::Error::last_os_error()
+        ))
+    }
+
+    let mut output_needed: u32 = 0;
+    let mut status: u32 = 0;
+    if FALSE
+        == XcvDataW(
+            h_monitor,
+            command.as_ptr(),
+            port.as_ptr() as *mut u8,
+            (port.len() + 1) as u32 * 2,
+            null_mut(),
+            0,
+            &mut output_needed,
+            &mut status,
+        )
+    {
+        ClosePrinter(h_monitor);
+        bail!(format!(
+            "Failed to execute the command on the printer port, Error: {}",
+            io::Error::last_os_error()
+        ))
+    }
+
+    ClosePrinter(h_monitor);
+
+    Ok(())
+}
+
+fn add_local_port(port: &PCWSTR) -> ResultType<()> {
+    unsafe { execute_on_local_port(port, &w!("AddPort")) }
+}
+
+fn delete_local_port(port: &PCWSTR) -> ResultType<()> {
+    unsafe { execute_on_local_port(port, &w!("DeletePort")) }
+}
+
+pub fn check_add_local_port(port: &PCWSTR) -> ResultType<()> {
+    if !is_port_exists(port)? {
+        return add_local_port(port);
+    }
+    Ok(())
+}
+
+pub fn check_delete_local_port(port: &PCWSTR) -> ResultType<()> {
+    if is_port_exists(port)? {
+        if get_printer_installed_on_port(port)?.is_some() {
+            bail!("The printer is installed on the port. Please remove the printer first.");
+        }
+        return delete_local_port(port);
+    }
+    Ok(())
+}

libs/remote_printer/src/setup/printer.rs

@@ -0,0 +1,161 @@
+use super::{common_enum, get_wstr_bytes, is_name_equal};
+use hbb_common::{bail, ResultType};
+use std::{io, ptr::null_mut};
+use winapi::{
+    shared::{
+        minwindef::{BOOL, DWORD, FALSE, LPBYTE, LPDWORD},
+        ntdef::HANDLE,
+        winerror::ERROR_INVALID_PRINTER_NAME,
+    },
+    um::winspool::{
+        AddPrinterW, ClosePrinter, DeletePrinter, EnumPrintersW, OpenPrinterW, SetPrinterW,
+        PRINTER_ALL_ACCESS, PRINTER_ATTRIBUTE_LOCAL, PRINTER_CONTROL_PURGE, PRINTER_DEFAULTSW,
+        PRINTER_ENUM_LOCAL, PRINTER_INFO_1W, PRINTER_INFO_2W,
+    },
+};
+use windows_strings::{w, PCWSTR};
+
+fn enum_local_printer(
+    level: DWORD,
+    p_printer_info: LPBYTE,
+    cb_buf: DWORD,
+    pcb_needed: LPDWORD,
+    pc_returned: LPDWORD,
+) -> BOOL {
+    unsafe {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/enumprinters
+        // This is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors
+        // such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        EnumPrintersW(
+            PRINTER_ENUM_LOCAL,
+            null_mut(),
+            level,
+            p_printer_info,
+            cb_buf,
+            pcb_needed,
+            pc_returned,
+        )
+    }
+}
+
+#[inline]
+pub fn is_printer_added(name: &PCWSTR) -> ResultType<bool> {
+    let r = common_enum(
+        "EnumPrintersW",
+        enum_local_printer,
+        1,
+        |info: &PRINTER_INFO_1W| {
+            if is_name_equal(name, info.pName) {
+                Some(true)
+            } else {
+                None
+            }
+        },
+        || None,
+    )?;
+    Ok(r.unwrap_or(false))
+}
+
+// Only return the first matched printer
+pub fn get_printer_installed_on_port(port: &PCWSTR) -> ResultType<Option<Vec<u16>>> {
+    common_enum(
+        "EnumPrintersW",
+        enum_local_printer,
+        2,
+        |info: &PRINTER_INFO_2W| {
+            if is_name_equal(port, info.pPortName) {
+                Some(get_wstr_bytes(info.pPrinterName))
+            } else {
+                None
+            }
+        },
+        || None,
+    )
+}
+
+pub fn add_printer(name: &PCWSTR, driver: &PCWSTR, port: &PCWSTR) -> ResultType<()> {
+    let mut printer_info = PRINTER_INFO_2W {
+        pServerName: null_mut(),
+        pPrinterName: name.as_ptr() as _,
+        pShareName: null_mut(),
+        pPortName: port.as_ptr() as _,
+        pDriverName: driver.as_ptr() as _,
+        pComment: null_mut(),
+        pLocation: null_mut(),
+        pDevMode: null_mut(),
+        pSepFile: null_mut(),
+        pPrintProcessor: w!("WinPrint").as_ptr() as _,
+        pDatatype: w!("RAW").as_ptr() as _,
+        pParameters: null_mut(),
+        pSecurityDescriptor: null_mut(),
+        Attributes: PRINTER_ATTRIBUTE_LOCAL,
+        Priority: 0,
+        DefaultPriority: 0,
+        StartTime: 0,
+        UntilTime: 0,
+        Status: 0,
+        cJobs: 0,
+        AveragePPM: 0,
+    };
+    unsafe {
+        let h_printer = AddPrinterW(
+            null_mut(),
+            2,
+            &mut printer_info as *mut PRINTER_INFO_2W as _,
+        );
+        if h_printer.is_null() {
+            bail!(format!(
+                "Failed to add printer. Error: {}",
+                io::Error::last_os_error()
+            ))
+        }
+    }
+    Ok(())
+}
+
+pub fn delete_printer(name: &PCWSTR) -> ResultType<()> {
+    let mut dft = PRINTER_DEFAULTSW {
+        pDataType: null_mut(),
+        pDevMode: null_mut(),
+        DesiredAccess: PRINTER_ALL_ACCESS,
+    };
+    let mut h_printer: HANDLE = null_mut();
+    unsafe {
+        if FALSE
+            == OpenPrinterW(
+                name.as_ptr() as _,
+                &mut h_printer,
+                &mut dft as *mut PRINTER_DEFAULTSW as _,
+            )
+        {
+            let err = io::Error::last_os_error();
+            if err.raw_os_error() == Some(ERROR_INVALID_PRINTER_NAME as _) {
+                return Ok(());
+            } else {
+                bail!(format!("Failed to open printer. Error: {}", err))
+            }
+        }
+
+        if FALSE == SetPrinterW(h_printer, 0, null_mut(), PRINTER_CONTROL_PURGE) {
+            ClosePrinter(h_printer);
+            bail!(format!(
+                "Failed to purge printer queue. Error: {}",
+                io::Error::last_os_error()
+            ))
+        }
+
+        if FALSE == DeletePrinter(h_printer) {
+            ClosePrinter(h_printer);
+            bail!(format!(
+                "Failed to delete printer. Error: {}",
+                io::Error::last_os_error()
+            ))
+        }
+
+        ClosePrinter(h_printer);
+    }
+
+    Ok(())
+}

libs/remote_printer/src/setup/setup.rs

@@ -0,0 +1,94 @@
+use super::{
+    driver::{get_installed_driver_version, install_driver, uninstall_driver},
+    port::{check_add_local_port, check_delete_local_port},
+    printer::{add_printer, delete_printer},
+};
+use hbb_common::{allow_err, bail, lazy_static, log, ResultType};
+use std::{path::PathBuf, sync::Mutex};
+use windows_strings::PCWSTR;
+
+lazy_static::lazy_static!(
+    static ref SETUP_MTX: Mutex<()> = Mutex::new(());
+);
+
+fn get_driver_inf_abs_path() -> ResultType<PathBuf> {
+    use crate::RD_DRIVER_INF_PATH;
+
+    let exe_file = std::env::current_exe()?;
+    let abs_path = match exe_file.parent() {
+        Some(parent) => parent.join(RD_DRIVER_INF_PATH),
+        None => bail!(
+            "Invalid exe parent for {}",
+            exe_file.to_string_lossy().as_ref()
+        ),
+    };
+    if !abs_path.exists() {
+        bail!(
+            "The driver inf file \"{}\" does not exists",
+            RD_DRIVER_INF_PATH
+        )
+    }
+    Ok(abs_path)
+}
+
+// Note: This function must be called in a separate thread.
+// Because many functions in this module are blocking or synchronous.
+// Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+// Steps:
+// 1. Add the local port.
+// 2. Check if the driver is installed.
+//    Uninstall the existing driver if it is installed.
+//    We should not check the driver version because the driver is deployed with the application.
+//    It's better to uninstall the existing driver and install the driver from the application.
+// 3. Add the printer.
+pub fn install_update_printer(app_name: &str) -> ResultType<()> {
+    let printer_name = crate::get_printer_name(app_name);
+    let driver_name = crate::get_driver_name();
+    let port = crate::get_port_name(app_name);
+    let rd_printer_name = PCWSTR::from_raw(printer_name.as_ptr());
+    let rd_printer_driver_name = PCWSTR::from_raw(driver_name.as_ptr());
+    let rd_printer_port = PCWSTR::from_raw(port.as_ptr());
+
+    let inf_file = get_driver_inf_abs_path()?;
+    let inf_file: Vec<u16> = inf_file
+        .to_string_lossy()
+        .as_ref()
+        .encode_utf16()
+        .chain(Some(0).into_iter())
+        .collect();
+    let _lock = SETUP_MTX.lock().unwrap();
+
+    check_add_local_port(&rd_printer_port)?;
+
+    let should_install_driver = match get_installed_driver_version(&rd_printer_driver_name)? {
+        Some(_version) => {
+            delete_printer(&rd_printer_name)?;
+            allow_err!(uninstall_driver(&rd_printer_driver_name));
+            true
+        }
+        None => true,
+    };
+
+    if should_install_driver {
+        allow_err!(install_driver(&rd_printer_driver_name, inf_file.as_ptr()));
+    }
+
+    add_printer(&rd_printer_name, &rd_printer_driver_name, &rd_printer_port)?;
+
+    Ok(())
+}
+
+pub fn uninstall_printer(app_name: &str) {
+    let printer_name = crate::get_printer_name(app_name);
+    let driver_name = crate::get_driver_name();
+    let port = crate::get_port_name(app_name);
+    let rd_printer_name = PCWSTR::from_raw(printer_name.as_ptr());
+    let rd_printer_driver_name = PCWSTR::from_raw(driver_name.as_ptr());
+    let rd_printer_port = PCWSTR::from_raw(port.as_ptr());
+
+    let _lock = SETUP_MTX.lock().unwrap();
+
+    allow_err!(delete_printer(&rd_printer_name));
+    allow_err!(uninstall_driver(&rd_printer_driver_name));
+    allow_err!(check_delete_local_port(&rd_printer_port));
+}

res/inline-sciter.py

@@ -23,7 +23,8 @@ remote = open('src/ui/remote.html').read() \
     .replace('include "grid.tis";', open('src/ui/grid.tis').read()) \
     .replace('include "header.tis";', open('src/ui/header.tis').read()) \
     .replace('include "file_transfer.tis";', open('src/ui/file_transfer.tis').read()) \
-    .replace('include "port_forward.tis";', open('src/ui/port_forward.tis').read())
+    .replace('include "port_forward.tis";', open('src/ui/port_forward.tis').read()) \
+    .replace('include "printer.tis";', open('src/ui/printer.tis').read())
 
 chatbox = open('src/ui/chatbox.html').read()
 install = open('src/ui/install.html').read().replace('include "install.tis";', open('src/ui/install.tis').read())

res/msi/CustomActions/Common.h

@@ -15,3 +15,9 @@ bool MyStopServiceW(LPCWSTR serviceName);
 std::wstring ReadConfig(const std::wstring& filename, const std::wstring& key);
 
 void UninstallDriver(LPCWSTR hardwareId, BOOL &rebootRequired);
+
+namespace RemotePrinter
+{
+    VOID installUpdatePrinter(const std::wstring& installFolder);
+    VOID uninstallPrinter();
+}

res/msi/CustomActions/CustomActions.cpp

@@ -878,3 +878,55 @@ void TryStopDeleteServiceByShell(LPWSTR svcName)
         WcaLog(LOGMSG_STANDARD, "Failed to delete service: \"%ls\" with shell, current status: %d.", svcName, svcStatus.dwCurrentState);
     }
 }
+
+UINT __stdcall InstallPrinter(
+    __in MSIHANDLE hInstall)
+{
+    HRESULT hr = S_OK;
+    DWORD er = ERROR_SUCCESS;
+
+    int nResult = 0;
+    LPWSTR installFolder = NULL;
+    LPWSTR pwz = NULL;
+    LPWSTR pwzData = NULL;
+
+    hr = WcaInitialize(hInstall, "InstallPrinter");
+    ExitOnFailure(hr, "Failed to initialize");
+
+    hr = WcaGetProperty(L"CustomActionData", &pwzData);
+    ExitOnFailure(hr, "failed to get CustomActionData");
+
+    pwz = pwzData;
+    hr = WcaReadStringFromCaData(&pwz, &installFolder);
+    ExitOnFailure(hr, "failed to read database key from custom action data: %ls", pwz);
+
+    WcaLog(LOGMSG_STANDARD, "Try to install RD printer in : %ls", installFolder);
+    RemotePrinter::installUpdatePrinter(installFolder);
+    WcaLog(LOGMSG_STANDARD, "Install RD printer done");
+
+LExit:
+    if (pwzData) {
+        ReleaseStr(pwzData);
+    }
+
+    er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
+    return WcaFinalize(er);
+}
+
+UINT __stdcall UninstallPrinter(
+    __in MSIHANDLE hInstall)
+{
+    HRESULT hr = S_OK;
+    DWORD er = ERROR_SUCCESS;
+
+    hr = WcaInitialize(hInstall, "UninstallPrinter");
+    ExitOnFailure(hr, "Failed to initialize");
+
+    WcaLog(LOGMSG_STANDARD, "Try to uninstall RD printer");
+    RemotePrinter::uninstallPrinter();
+    WcaLog(LOGMSG_STANDARD, "Uninstall RD printer done");
+
+LExit:
+    er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
+    return WcaFinalize(er);
+}

res/msi/CustomActions/CustomActions.def

@@ -12,3 +12,5 @@ EXPORTS
     SetPropertyFromConfig
     AddRegSoftwareSASGeneration
     RemoveAmyuniIdd
+    InstallPrinter
+    UninstallPrinter

res/msi/CustomActions/CustomActions.vcxproj

@@ -67,6 +67,7 @@
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
     </ClCompile>
     <ClCompile Include="ReadConfig.cpp" />
+    <ClCompile Include="RemotePrinter.cpp" />
     <ClCompile Include="ServiceUtils.cpp" />
   </ItemGroup>
   <ItemGroup>

res/msi/CustomActions/RemotePrinter.cpp

@@ -0,0 +1,517 @@
+#include "pch.h"
+
+#include <Windows.h>
+#include <winspool.h>
+#include <setupapi.h>
+#include <memory>
+#include <string>
+#include <functional>
+#include <vector>
+#include <iostream>
+
+#include "Common.h"
+
+#pragma comment(lib, "setupapi.lib")
+#pragma comment(lib, "winspool.lib")
+
+namespace RemotePrinter
+{
+#define HRESULT_ERR_ELEMENT_NOT_FOUND 0x80070490
+
+    LPCWCH RD_DRIVER_INF_PATH = L"drivers\\RustDeskPrinterDriver\\RustDeskPrinterDriver.inf";
+    LPCWCH RD_PRINTER_PORT = L"RustDesk Printer";
+    LPCWCH RD_PRINTER_NAME = L"RustDesk Printer";
+    LPCWCH RD_PRINTER_DRIVER_NAME = L"RustDesk v4 Printer Driver";
+    LPCWCH XCV_MONITOR_LOCAL_PORT = L",XcvMonitor Local Port";
+
+    using FuncEnum = std::function<BOOL(DWORD level, LPBYTE pDriverInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)>;
+    template <typename T, typename R>
+    using FuncOnData = std::function<std::shared_ptr<R>(const T &)>;
+    template <typename R>
+    using FuncOnNoData = std::function<std::shared_ptr<R>()>;
+
+    template <class T, class R>
+    std::shared_ptr<R> commonEnum(std::wstring funcName, FuncEnum func, DWORD level, FuncOnData<T, R> onData, FuncOnNoData<R> onNoData)
+    {
+        DWORD needed = 0;
+        DWORD returned = 0;
+        func(level, NULL, 0, &needed, &returned);
+        if (needed == 0)
+        {
+            return onNoData();
+        }
+
+        std::vector<BYTE> buffer(needed);
+        if (!func(level, buffer.data(), needed, &needed, &returned))
+        {
+            return nullptr;
+        }
+
+        T *pPortInfo = reinterpret_cast<T *>(buffer.data());
+        for (DWORD i = 0; i < returned; i++)
+        {
+            auto r = onData(pPortInfo[i]);
+            if (r)
+            {
+                return r;
+            }
+        }
+        return onNoData();
+    }
+
+    BOOL isNameEqual(LPCWSTR lhs, LPCWSTR rhs)
+    {
+        // https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-lstrcmpiw
+        // For some locales, the lstrcmpi function may be insufficient.
+        // If this occurs, use `CompareStringEx` to ensure proper comparison.
+        // For example, in Japan call with the NORM_IGNORECASE, NORM_IGNOREKANATYPE, and NORM_IGNOREWIDTH values to achieve the most appropriate non-exact string comparison.
+        // Note that specifying these values slows performance, so use them only when necessary.
+        //
+        //  No need to consider `CompareStringEx` for now.
+        return lstrcmpiW(lhs, rhs) == 0 ? TRUE : FALSE;
+    }
+
+    BOOL enumPrinterPort(
+        DWORD level,
+        LPBYTE pPortInfo,
+        DWORD cbBuf,
+        LPDWORD pcbNeeded,
+        LPDWORD pcReturned)
+    {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/enumports
+        // This is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors
+        // such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        return EnumPortsW(NULL, level, pPortInfo, cbBuf, pcbNeeded, pcReturned);
+    }
+
+    BOOL isPortExists(LPCWSTR port)
+    {
+        auto onData = [port](const PORT_INFO_2 &info)
+        {
+            if (isNameEqual(info.pPortName, port) == TRUE) {
+                return std::shared_ptr<BOOL>(new BOOL(TRUE));
+            }
+            else {
+                return std::shared_ptr<BOOL>(nullptr);
+            } };
+        auto onNoData = []()
+        { return nullptr; };
+        auto res = commonEnum<PORT_INFO_2, BOOL>(L"EnumPortsW", enumPrinterPort, 2, onData, onNoData);
+        if (res == nullptr)
+        {
+            return false;
+        }
+        else
+        {
+            return *res;
+        }
+    }
+
+    BOOL executeOnLocalPort(LPCWSTR port, LPCWSTR command)
+    {
+        PRINTER_DEFAULTSW dft = {0};
+        dft.DesiredAccess = SERVER_WRITE;
+        HANDLE hMonitor = NULL;
+        if (OpenPrinterW(const_cast<LPWSTR>(XCV_MONITOR_LOCAL_PORT), &hMonitor, &dft) == FALSE)
+        {
+            return FALSE;
+        }
+
+        DWORD outputNeeded = 0;
+        DWORD status = 0;
+        if (XcvDataW(hMonitor, command, (LPBYTE)port, (lstrlenW(port) + 1) * 2, NULL, 0, &outputNeeded, &status) == FALSE)
+        {
+            ClosePrinter(hMonitor);
+            return FALSE;
+        }
+
+        ClosePrinter(hMonitor);
+        return TRUE;
+    }
+
+    BOOL addLocalPort(LPCWSTR port)
+    {
+        return executeOnLocalPort(port, L"AddPort");
+    }
+
+    BOOL deleteLocalPort(LPCWSTR port)
+    {
+        return executeOnLocalPort(port, L"DeletePort");
+    }
+
+    BOOL checkAddLocalPort(LPCWSTR port)
+    {
+        if (!isPortExists(port))
+        {
+            return addLocalPort(port);
+        }
+        return TRUE;
+    }
+
+    std::wstring getPrinterInstalledOnPort(LPCWSTR port);
+
+    BOOL checkDeleteLocalPort(LPCWSTR port)
+    {
+        if (isPortExists(port))
+        {
+            if (getPrinterInstalledOnPort(port) != L"")
+            {
+                WcaLog(LOGMSG_STANDARD, "The printer is installed on the port. Please remove the printer first.\n");
+                return FALSE;
+            }
+            return deleteLocalPort(port);
+        }
+        return TRUE;
+    }
+
+    BOOL enumPrinterDriver(
+        DWORD level,
+        LPBYTE pDriverInfo,
+        DWORD cbBuf,
+        LPDWORD pcbNeeded,
+        LPDWORD pcReturned)
+    {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/enumprinterdrivers
+        // This is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors
+        // such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        return EnumPrinterDriversW(
+            NULL,
+            NULL,
+            level,
+            pDriverInfo,
+            cbBuf,
+            pcbNeeded,
+            pcReturned);
+    }
+
+    DWORDLONG getInstalledDriverVersion(LPCWSTR name)
+    {
+        auto onData = [name](const DRIVER_INFO_6W &info)
+        {
+            if (isNameEqual(name, info.pName) == TRUE)
+            {
+                return std::shared_ptr<DWORDLONG>(new DWORDLONG(info.dwlDriverVersion));
+            }
+            else
+            {
+                return std::shared_ptr<DWORDLONG>(nullptr);
+            } };
+        auto onNoData = []()
+        { return nullptr; };
+        auto res = commonEnum<DRIVER_INFO_6W, DWORDLONG>(L"EnumPrinterDriversW", enumPrinterDriver, 6, onData, onNoData);
+        if (res == nullptr)
+        {
+            return 0;
+        }
+        else
+        {
+            return *res;
+        }
+    }
+
+    std::wstring findInf(LPCWSTR name)
+    {
+        auto onData = [name](const DRIVER_INFO_8W &info)
+        {
+            if (isNameEqual(name, info.pName) == TRUE)
+            {
+                return std::shared_ptr<std::wstring>(new std::wstring(info.pszInfPath));
+            }
+            else
+            {
+                return std::shared_ptr<std::wstring>(nullptr);
+            } };
+        auto onNoData = []()
+        { return nullptr; };
+        auto res = commonEnum<DRIVER_INFO_8W, std::wstring>(L"EnumPrinterDriversW", enumPrinterDriver, 8, onData, onNoData);
+        if (res == nullptr)
+        {
+            return L"";
+        }
+        else
+        {
+            return *res;
+        }
+    }
+
+    BOOL deletePrinterDriver(LPCWSTR name)
+    {
+        // If the printer is used after the spooler service is started. E.g., printing a document through RustDesk Printer.
+        // `DeletePrinterDriverExW()` may fail with `ERROR_PRINTER_DRIVER_IN_USE`(3001, 0xBB9).
+        // We can only ignore this error for now.
+        // Though restarting the spooler service is a solution, it's not a good idea to restart the service.
+        // 
+        // Deleting the printer driver after deleting the printer is a common practice.
+        // No idea why `DeletePrinterDriverExW()` fails with `ERROR_UNKNOWN_PRINTER_DRIVER` after using the printer once.
+        // https://github.com/ChromiumWebApps/chromium/blob/c7361d39be8abd1574e6ce8957c8dbddd4c6ccf7/cloud_print/virtual_driver/win/install/setup.cc#L422
+        // AnyDesk printer driver and the simplest printer driver also have the same issue.
+        BOOL res = DeletePrinterDriverExW(NULL, NULL, const_cast<LPWSTR>(name), DPD_DELETE_ALL_FILES, 0);
+        if (res == FALSE)
+        {
+            DWORD error = GetLastError();
+            if (error == ERROR_UNKNOWN_PRINTER_DRIVER)
+            {
+                return TRUE;
+            }
+            else
+            {
+                WcaLog(LOGMSG_STANDARD, "Failed to delete printer driver. Error (%d)\n", error);
+            }
+        }
+        return res;
+    }
+
+    BOOL deletePrinterDriverPackage(const std::wstring &inf)
+    {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/deleteprinterdriverpackage
+        // This function is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        int tries = 3;
+        HRESULT result = S_FALSE;
+        while ((result = DeletePrinterDriverPackage(NULL, inf.c_str(), NULL)) != S_OK)
+        {
+            if (result == HRESULT_ERR_ELEMENT_NOT_FOUND)
+            {
+                return TRUE;
+            }
+
+            WcaLog(LOGMSG_STANDARD, "Failed to delete printer driver package. HRESULT (%d)\n", result);
+            tries--;
+            if (tries <= 0)
+            {
+                return FALSE;
+            }
+            Sleep(2000);
+        }
+        return S_OK;
+    }
+
+    BOOL uninstallDriver(LPCWSTR name)
+    {
+        auto infFile = findInf(name);
+        if (!deletePrinterDriver(name))
+        {
+            return FALSE;
+        }
+        if (infFile != L"" && !deletePrinterDriverPackage(infFile))
+        {
+            return FALSE;
+        }
+        return TRUE;
+    }
+
+    BOOL installDriver(LPCWSTR name, LPCWSTR inf)
+    {
+        DWORD size = MAX_PATH * 10;
+        wchar_t package_path[MAX_PATH * 10] = {0};
+        HRESULT result = UploadPrinterDriverPackage(
+            NULL, inf, NULL,
+            UPDP_SILENT_UPLOAD | UPDP_UPLOAD_ALWAYS, NULL, package_path, &size);
+        if (result != S_OK)
+        {
+            WcaLog(LOGMSG_STANDARD, "Uploading the printer driver package to the driver cache silently, failed. Will retry with user UI. HRESULT (%d)\n", result);
+            result = UploadPrinterDriverPackage(
+                NULL, inf, NULL, UPDP_UPLOAD_ALWAYS,
+                GetForegroundWindow(), package_path, &size);
+            if (result != S_OK)
+            {
+                WcaLog(LOGMSG_STANDARD, "Uploading the printer driver package to the driver cache failed with user UI. Aborting...\n");
+                return FALSE;
+            }
+        }
+
+        result = InstallPrinterDriverFromPackage(
+            NULL, package_path, name, NULL, IPDFP_COPY_ALL_FILES);
+        if (result != S_OK)
+        {
+            WcaLog(LOGMSG_STANDARD, "Installing the printer driver failed. HRESULT (%d)\n", result);
+        }
+        return result == S_OK;
+    }
+
+    BOOL enumLocalPrinter(
+        DWORD level,
+        LPBYTE pPrinterInfo,
+        DWORD cbBuf,
+        LPDWORD pcbNeeded,
+        LPDWORD pcReturned)
+    {
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/enumprinters
+        // This is a blocking or synchronous function and might not return immediately.
+        // How quickly this function returns depends on run-time factors
+        // such as network status, print server configuration, and printer driver implementation factors that are difficult to predict when writing an application.
+        // Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.
+        return EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, level, pPrinterInfo, cbBuf, pcbNeeded, pcReturned);
+    }
+
+    BOOL isPrinterAdded(LPCWSTR name)
+    {
+        auto onData = [name](const PRINTER_INFO_1W &info)
+        {
+            if (isNameEqual(name, info.pName) == TRUE)
+            {
+                return std::shared_ptr<BOOL>(new BOOL(TRUE));
+            }
+            else
+            {
+                return std::shared_ptr<BOOL>(nullptr);
+            } };
+        auto onNoData = []()
+        { return nullptr; };
+        auto res = commonEnum<PRINTER_INFO_1W, BOOL>(L"EnumPrintersW", enumLocalPrinter, 1, onData, onNoData);
+        if (res == nullptr)
+        {
+            return FALSE;
+        }
+        else
+        {
+            return *res;
+        }
+    }
+
+    std::wstring getPrinterInstalledOnPort(LPCWSTR port)
+    {
+        auto onData = [port](const PRINTER_INFO_2W &info)
+        {
+            if (isNameEqual(port, info.pPortName) == TRUE)
+            {
+                return std::shared_ptr<std::wstring>(new std::wstring(info.pPrinterName));
+            }
+            else
+            {
+                return std::shared_ptr<std::wstring>(nullptr);
+            } };
+        auto onNoData = []()
+        { return nullptr; };
+        auto res = commonEnum<PRINTER_INFO_2W, std::wstring>(L"EnumPrintersW", enumLocalPrinter, 2, onData, onNoData);
+        if (res == nullptr)
+        {
+            return L"";
+        }
+        else
+        {
+            return *res;
+        }
+    }
+
+    BOOL addPrinter(LPCWSTR name, LPCWSTR driver, LPCWSTR port)
+    {
+        PRINTER_INFO_2W printerInfo = {0};
+        printerInfo.pPrinterName = const_cast<LPWSTR>(name);
+        printerInfo.pPortName = const_cast<LPWSTR>(port);
+        printerInfo.pDriverName = const_cast<LPWSTR>(driver);
+        printerInfo.pPrintProcessor = const_cast<LPWSTR>(L"WinPrint");
+        printerInfo.pDatatype = const_cast<LPWSTR>(L"RAW");
+        printerInfo.Attributes = PRINTER_ATTRIBUTE_LOCAL;
+        HANDLE hPrinter = AddPrinterW(NULL, 2, (LPBYTE)&printerInfo);
+        return hPrinter == NULL ? FALSE : TRUE;
+    }
+
+    VOID deletePrinter(LPCWSTR name)
+    {
+        PRINTER_DEFAULTSW dft = {0};
+        dft.DesiredAccess = PRINTER_ALL_ACCESS;
+        HANDLE hPrinter = NULL;
+        if (OpenPrinterW(const_cast<LPWSTR>(name), &hPrinter, &dft) == FALSE)
+        {
+            DWORD error = GetLastError();
+            if (error == ERROR_INVALID_PRINTER_NAME)
+            {
+                return;
+            }
+            WcaLog(LOGMSG_STANDARD, "Failed to open printer. error (%d)\n", error);
+            return;
+        }
+
+        if (SetPrinterW(hPrinter, 0, NULL, PRINTER_CONTROL_PURGE) == FALSE)
+        {
+            ClosePrinter(hPrinter);
+            WcaLog(LOGMSG_STANDARD, "Failed to purge printer queue. error (%d)\n", GetLastError());
+            return;
+        }
+
+        if (DeletePrinter(hPrinter) == FALSE)
+        {
+            ClosePrinter(hPrinter);
+            WcaLog(LOGMSG_STANDARD, "Failed to delete printer. error (%d)\n", GetLastError());
+            return;
+        }
+
+        ClosePrinter(hPrinter);
+    }
+
+    bool FileExists(const std::wstring &filePath)
+    {
+        DWORD fileAttributes = GetFileAttributes(filePath.c_str());
+        return (fileAttributes != INVALID_FILE_ATTRIBUTES && !(fileAttributes & FILE_ATTRIBUTE_DIRECTORY));
+    }
+
+    // Steps:
+    // 1. Add the local port.
+    // 2. Check if the driver is installed.
+    //    Uninstall the existing driver if it is installed.
+    //    We should not check the driver version because the driver is deployed with the application.
+    //    It's better to uninstall the existing driver and install the driver from the application.
+    // 3. Add the printer.
+    VOID installUpdatePrinter(const std::wstring &installFolder)
+    {
+        const std::wstring infFile = installFolder + L"\\" + RemotePrinter::RD_DRIVER_INF_PATH;
+        if (!FileExists(infFile))
+        {
+            WcaLog(LOGMSG_STANDARD, "Printer driver INF file not found, aborting...\n");
+            return;
+        }
+
+        if (!checkAddLocalPort(RD_PRINTER_PORT))
+        {
+            WcaLog(LOGMSG_STANDARD, "Failed to check add local port, error (%d)\n", GetLastError());
+            return;
+        }
+        else
+        {
+            WcaLog(LOGMSG_STANDARD, "Local port added successfully\n");
+        }
+
+        if (getInstalledDriverVersion(RD_PRINTER_DRIVER_NAME) > 0)
+        {
+            deletePrinter(RD_PRINTER_NAME);
+            if (FALSE == uninstallDriver(RD_PRINTER_DRIVER_NAME))
+            {
+                WcaLog(LOGMSG_STANDARD, "Failed to uninstall previous printer driver, error (%d)\n", GetLastError());
+            }
+        }
+
+        if (FALSE == installDriver(RD_PRINTER_DRIVER_NAME, infFile.c_str()))
+        {
+            WcaLog(LOGMSG_STANDARD, "Driver installation failed, still try to add the printer\n");
+        }
+        else
+        {
+            WcaLog(LOGMSG_STANDARD, "Driver installed successfully\n");
+        }
+
+        if (FALSE == addPrinter(RD_PRINTER_NAME, RD_PRINTER_DRIVER_NAME, RD_PRINTER_PORT))
+        {
+            WcaLog(LOGMSG_STANDARD, "Failed to add printer, error (%d)\n", GetLastError());
+        }
+        else
+        {
+            WcaLog(LOGMSG_STANDARD, "Printer installed successfully\n");
+        }
+    }
+
+    VOID uninstallPrinter()
+    {
+        deletePrinter(RD_PRINTER_NAME);
+        WcaLog(LOGMSG_STANDARD, "Deleted the printer\n");
+        uninstallDriver(RD_PRINTER_DRIVER_NAME);
+        WcaLog(LOGMSG_STANDARD, "Uninstalled the printer driver\n");
+        checkDeleteLocalPort(RD_PRINTER_PORT);
+        WcaLog(LOGMSG_STANDARD, "Deleted the local port\n");
+    }
+}

res/msi/Package/Components/RustDesk.wxs

@@ -30,6 +30,7 @@
 		<CustomAction Id="SetPropertyServiceStop.SetParam.PropertyName" Return="check" Property="PropertyName" Value="STOP_SERVICE" />
 		<CustomAction Id="TryDeleteStartupShortcut.SetParam" Return="check" Property="ShortcutName" Value="$(var.Product) Tray" />
 		<CustomAction Id="RemoveAmyuniIdd.SetParam" Return="check" Property="RemoveAmyuniIdd" Value="[INSTALLFOLDER_INNER]" />
+		<CustomAction Id="InstallPrinter.SetParam" Return="check" Property="InstallPrinter" Value="[INSTALLFOLDER_INNER]" />
 		<InstallExecuteSequence>
 
 			<Custom Action="SetPropertyIsServiceRunning" After="InstallInitialize" Condition="Installed" />
@@ -57,6 +58,18 @@
 			<Custom Action="LaunchApp" After="InstallFinalize" Condition="(NOT UILevel=2) AND (NOT (Installed AND REMOVE AND NOT UPGRADINGPRODUCTCODE)) "/>
 			<Custom Action="LaunchAppTray" After="InstallFinalize" Condition="(NOT UILevel=2) AND (NOT (Installed AND REMOVE AND NOT UPGRADINGPRODUCTCODE)) AND (NOT STOP_SERVICE=&quot;&apos;Y&apos;&quot;) AND (NOT CC_CONNECTION_TYPE=&quot;outgoing&quot;)"/>
 
+			<!-- https://learn.microsoft.com/en-us/windows/win32/msi/operating-system-property-values -->
+			<!-- We have to use `VersionNT` to instead of `IsWindows10OrGreater()` in the custom action.
+			Because `IsWindows10OrGreater()` requires the manifest file to be embedded in the executable/dll file.
+			Even I have embedded the manifest file, it still does not work correctly in my case.
+			https://learn.microsoft.com/en-us/windows/win32/sysinfo/version-helper-apis -->
+			<!-- VersionNT >= 603 means can't differentiate between Windows 8.1 and Windows 10.
+			Some msi packages reset the `VersionNT` value to 1000 on Windows 10.
+			https://www.advancedinstaller.com/user-guide/qa-OS-dependent-install.html -->
+			<!-- Remote printer also works on Win8.1 in my test. -->
+			<Custom Action="InstallPrinter" Before="InstallFinalize" Condition="VersionNT &gt;= 603 AND PRINTER = 1 OR PRINTER = &quot;Y&quot; OR PRINTER = &quot;y&quot;" />
+			<Custom Action="InstallPrinter.SetParam" Before="InstallPrinter" Condition="VersionNT &gt;= 603" />
+
 			<!--Workaround of "fire:FirewallException". If Outbound="Yes" or Outbound="true", the following error occurs.-->
 			<!--ExecFirewallExceptions: Error 0x80070057: failed to add app to the authorized apps list-->
 			<Custom Action="AddFirewallRules" Before="InstallFinalize" Condition="NOT (Installed AND REMOVE AND NOT UPGRADINGPRODUCTCODE)"/>
@@ -72,6 +85,8 @@
 			<Custom Action="RemoveFirewallRules" Before="RemoveFiles"/>
 			<Custom Action="RemoveFirewallRules.SetParam" Before="RemoveFirewallRules"/>
 
+			<Custom Action="UninstallPrinter" Before="RemoveInstallFolder" Condition="VersionNT &gt;= 603" />
+
 			<Custom Action="TerminateProcesses" Before="RemoveInstallFolder"/>
 			<Custom Action="TerminateProcesses.SetParam" Before="TerminateProcesses"/>
 			<Custom Action="TerminateBrokers" Before="RemoveInstallFolder"/>

res/msi/Package/Fragments/CustomActions.wxs

@@ -17,5 +17,7 @@
 		<CustomAction Id="SetPropertyServiceStop" DllEntry="SetPropertyFromConfig" Impersonate="yes" Execute="immediate" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
 		<CustomAction Id="AddRegSoftwareSASGeneration" DllEntry="AddRegSoftwareSASGeneration" Impersonate="no" Execute="deferred" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
 		<CustomAction Id="RemoveAmyuniIdd" DllEntry="RemoveAmyuniIdd" Impersonate="no" Execute="deferred" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
+		<CustomAction Id="InstallPrinter" DllEntry="InstallPrinter" Impersonate="no" Execute="deferred" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
+		<CustomAction Id="UninstallPrinter" DllEntry="UninstallPrinter" Impersonate="no" Execute="deferred" Return="ignore" BinaryRef="Custom_Actions_Dll"/>
 	</Fragment>
 </Wix>

res/msi/Package/Fragments/ShortcutProperties.wxs

@@ -14,6 +14,7 @@
 		<Property Id="STARTMENUSHORTCUTS" Value="1" Secure="yes"></Property>
 		<Property Id="DESKTOPSHORTCUTS" Value="1" Secure="yes"></Property>
 		<Property Id="STARTUPSHORTCUTS" Value="1" Secure="yes"></Property>
+		<Property Id="PRINTER" Value="1" Secure="yes"></Property>
 
 		<!-- These properties get set from either the command line, bundle or registry value,
 				 if set they update the properties above with their value. -->
@@ -23,6 +24,9 @@
 		<Property Id="CREATEDESKTOPSHORTCUTS" Secure="yes">
 			<RegistrySearch Id="CreateDesktopShortcutsSearch" Root="HKCR" Key="$(var.RegKeyRoot)" Name="DESKTOPSHORTCUTS" Type="raw" />
 		</Property>
+		<Property Id="INSTALLPRINTER" Secure="yes">
+			<RegistrySearch Id="InstallPrinterSearch" Root="HKCR" Key="$(var.RegKeyRoot)" Name="PRINTER" Type="raw" />
+		</Property>
 
 		<!-- Component that persists the property values to the registry so they are available during an upgrade/modify -->
 		<DirectoryRef Id="INSTALLFOLDER_INNER">
@@ -46,6 +50,16 @@
 					<RegistryValue Type="string" Name="DESKTOPSHORTCUTS" Value="0" />
 				</RegistryKey>
 			</Component>
+			<Component Id="Product.Registry.PersistedPrinterProperties1" Guid="AF617116-2502-EB3D-5B52-B47AA89EB4B0" Condition="PRINTER = 1 OR PRINTER = &quot;Y&quot; OR PRINTER = &quot;y&quot;">
+				<RegistryKey Root="HKCR" Key="$(var.RegKeyRoot)">
+					<RegistryValue Type="string" Name="PRINTER" Value="1" />
+				</RegistryKey>
+			</Component>
+			<Component Id="Product.Registry.PersistedPrinterProperties0" Guid="51F944D3-AAEB-F167-03A1-081A38E9468A" Condition="NOT (PRINTER = 1 OR PRINTER = &quot;Y&quot; OR PRINTER = &quot;y&quot;)">
+				<RegistryKey Root="HKCR" Key="$(var.RegKeyRoot)">
+					<RegistryValue Type="string" Name="PRINTER" Value="0" />
+				</RegistryKey>
+			</Component>
 		</DirectoryRef>
 
 		<!-- If a property value has been passed via the command line (which includes when set from the bundle), the registry search will
@@ -53,14 +67,17 @@
 				 is performed so they can be restored after the registry search is complete -->
 		<SetProperty Id="SavedStartMenuShortcutsCmdLineValue" Value="[CREATESTARTMENUSHORTCUTS]" Before="AppSearch" Sequence="first" Condition="CREATESTARTMENUSHORTCUTS" />
 		<SetProperty Id="SavedDesktopShortcutsCmdLineValue" Value="[CREATEDESKTOPSHORTCUTS]" Before="AppSearch" Sequence="first" Condition="CREATEDESKTOPSHORTCUTS" />
+		<SetProperty Id="SavedPrinterCmdLineValue" Value="[INSTALLPRINTER]" Before="AppSearch" Sequence="first" Condition="INSTALLPRINTER" />
 
 		<!-- If a command line value was stored, restore it after the registry search has been performed -->
 		<SetProperty Action="RestoreSavedStartMenuShortcutsValue" Id="CREATESTARTMENUSHORTCUTS" Value="[SavedStartMenuShortcutsCmdLineValue]" After="AppSearch" Sequence="first" Condition="SavedStartMenuShortcutsCmdLineValue" />
 		<SetProperty Action="RestoreSavedDesktopShortcutsValue" Id="CREATEDESKTOPSHORTCUTS" Value="[SavedDesktopShortcutsCmdLineValue]" After="AppSearch" Sequence="first" Condition="SavedDesktopShortcutsCmdLineValue" />
+		<SetProperty Action="RestoreSavedPrinterValue" Id="INSTALLPRINTER" Value="[SavedPrinterCmdLineValue]" After="AppSearch" Sequence="first" Condition="SavedPrinterCmdLineValue" />
 
 		<!-- If a command line value or registry value was set, update the main properties with the value -->
 		<SetProperty Id="STARTMENUSHORTCUTS" Value="" After="RestoreSavedStartMenuShortcutsValue" Sequence="first" Condition="CREATESTARTMENUSHORTCUTS AND NOT (CREATESTARTMENUSHORTCUTS = 1 OR CREATESTARTMENUSHORTCUTS = &quot;Y&quot; OR CREATESTARTMENUSHORTCUTS = &quot;y&quot;)" />
 		<SetProperty Id="DESKTOPSHORTCUTS" Value="" After="RestoreSavedDesktopShortcutsValue" Sequence="first" Condition="CREATEDESKTOPSHORTCUTS AND NOT (CREATEDESKTOPSHORTCUTS = 1 OR CREATEDESKTOPSHORTCUTS = &quot;Y&quot; OR CREATEDESKTOPSHORTCUTS = &quot;y&quot;)" />
+		<SetProperty Id="PRINTER" Value="" After="RestoreSavedPrinterValue" Sequence="first" Condition="INSTALLPRINTER AND NOT (INSTALLPRINTER = 1 OR INSTALLPRINTER = &quot;Y&quot; OR INSTALLPRINTER = &quot;y&quot;)" />
 
 	</Fragment>
 </Wix>

res/msi/Package/Language/Package.en-us.wxl

@@ -51,5 +51,6 @@ This file contains the declaration of all the localizable strings.
 
 	<String Id="MyInstallDirDlgDesktopShortcuts" Value="Create desktop icon" />
 	<String Id="MyInstallDirDlgStartMenuShortcuts" Value="Create start menu shortcuts" />
+	<String Id="MyInstallDirDlgPrinter" Value="Install RustDesk Printer" />
 
 </WixLocalization>

res/msi/Package/Package.wxs

@@ -51,6 +51,8 @@
 			<ComponentRef Id="Product.Registry.PersistedStartMenuShortcutProperties0" />
 			<ComponentRef Id="Product.Registry.PersistedDesktopShortcutProperties1" />
 			<ComponentRef Id="Product.Registry.PersistedDesktopShortcutProperties0" />
+			<ComponentRef Id="Product.Registry.PersistedPrinterProperties1" />
+			<ComponentRef Id="Product.Registry.PersistedPrinterProperties0" />
 		</Feature>
 
 		<!--https://wixtoolset.org/docs/tools/wixext/wixui/#customizing-a-dialog-set-->

res/msi/Package/UI/MyInstallDirDlg.wxs

@@ -25,6 +25,7 @@
 
                 <Control Id="ChkBoxStartMenuShortcuts" Type="CheckBox" X="20" Y="140" Width="290" Height="17" Property="STARTMENUSHORTCUTS" CheckBoxValue="1" Text="!(loc.MyInstallDirDlgStartMenuShortcuts)" />
                 <Control Id="ChkBoxDesktopShortcuts" Type="CheckBox" X="20" Y="160" Width="290" Height="17" Property="DESKTOPSHORTCUTS" CheckBoxValue="1" Text="!(loc.MyInstallDirDlgDesktopShortcuts)" />
+                <Control Id="ChkBoxInstallPrinter" Type="CheckBox" X="20" Y="180" Width="290" Height="17" Property="PRINTER" CheckBoxValue="1" Text="!(loc.MyInstallDirDlgPrinter)" />
             </Dialog>
         </UI>
     </Fragment>

res/msi/preprocess.py

@@ -8,7 +8,9 @@ import argparse
 import datetime
 import subprocess
 import re
+import platform
 from pathlib import Path
+from itertools import chain
 import shutil
 
 g_indent_unit = "\t"
@@ -187,6 +189,17 @@ def replace_app_name_in_langs(app_name):
         with open(file_path, "w", encoding="utf-8") as f:
             f.writelines(lines)
 
+def replace_app_name_in_custom_actions(app_name):
+    custion_actions_dir = Path(sys.argv[0]).parent.joinpath("CustomActions")
+    for file_path in chain(custion_actions_dir.glob("*.cpp"), custion_actions_dir.glob("*.h")):
+        with open(file_path, "r", encoding="utf-8") as f:
+            lines = f.readlines()
+        for i, line in enumerate(lines):
+            line = re.sub(r"\bRustDesk\b", app_name, line)
+            line = line.replace(f"{app_name} v4 Printer Driver", "RustDesk v4 Printer Driver")
+            lines[i] = line
+        with open(file_path, "w", encoding="utf-8") as f:
+            f.writelines(lines)
 
 def gen_upgrade_info():
     def func(lines, index_start):
@@ -542,3 +555,4 @@ if __name__ == "__main__":
         sys.exit(-1)
 
     replace_app_name_in_langs(args.app_name)
+    replace_app_name_in_custom_actions(args.app_name)

src/client.rs

@@ -49,6 +49,7 @@ use hbb_common::{
         self, Config, LocalConfig, PeerConfig, PeerInfoSerde, Resolution, CONNECT_TIMEOUT,
         READ_TIMEOUT, RELAY_PORT, RENDEZVOUS_PORT, RENDEZVOUS_SERVERS,
     },
+    fs::JobType,
     get_version_number, log,
     message_proto::{option_message::BoolOption, *},
     protobuf::{Message as _, MessageField},
@@ -3297,7 +3298,7 @@ pub enum Data {
     Close,
     Login((String, String, String, bool)),
     Message(Message),
-    SendFiles((i32, String, String, i32, bool, bool)),
+    SendFiles((i32, JobType, String, String, i32, bool, bool)),
     RemoveDirAll((i32, String, bool, bool)),
     ConfirmDeleteFiles((i32, i32)),
     SetNoConfirm(i32),
@@ -3311,7 +3312,7 @@ pub enum Data {
     ToggleClipboardFile,
     NewRDP,
     SetConfirmOverrideFile((i32, i32, bool, bool, bool)),
-    AddJob((i32, String, String, i32, bool, bool)),
+    AddJob((i32, JobType, String, String, i32, bool, bool)),
     ResumeJob((i32, bool)),
     RecordScreen(bool),
     ElevateDirect,

src/client/file_trait.rs

@@ -7,6 +7,14 @@ pub trait FileManager: Interface {
         fs::get_home_as_string()
     }
 
+    fn get_next_job_id(&self) -> i32 {
+        fs::get_next_job_id()
+    }
+
+    fn update_next_job_id(&self, id: i32) {
+        fs::update_next_job_id(id);
+    }
+
     #[cfg(not(any(
         target_os = "android",
         target_os = "ios",
@@ -98,6 +106,7 @@ pub trait FileManager: Interface {
     fn send_files(
         &self,
         id: i32,
+        r#type: i32,
         path: String,
         to: String,
         file_num: i32,
@@ -106,6 +115,7 @@ pub trait FileManager: Interface {
     ) {
         self.send(Data::SendFiles((
             id,
+            r#type.into(),
             path,
             to,
             file_num,
@@ -117,6 +127,7 @@ pub trait FileManager: Interface {
     fn add_job(
         &self,
         id: i32,
+        r#type: i32,
         path: String,
         to: String,
         file_num: i32,
@@ -125,6 +136,7 @@ pub trait FileManager: Interface {
     ) {
         self.send(Data::AddJob((
             id,
+            r#type.into(),
             path,
             to,
             file_num,

src/client/io_loop.rs

@@ -46,6 +46,7 @@ use std::{
     collections::HashMap,
     ffi::c_void,
     num::NonZeroI64,
+    path::PathBuf,
     sync::{
         atomic::{AtomicUsize, Ordering},
         Arc, RwLock,
@@ -549,13 +550,20 @@ impl<T: InvokeUiSession> Remote<T> {
                 }
                 allow_err!(peer.send(&msg).await);
             }
-            Data::SendFiles((id, path, to, file_num, include_hidden, is_remote)) => {
+            Data::SendFiles((id, r#type, path, to, file_num, include_hidden, is_remote)) => {
                 log::info!("send files, is remote {}", is_remote);
                 let od = can_enable_overwrite_detection(self.handler.lc.read().unwrap().version);
                 if is_remote {
                     log::debug!("New job {}, write to {} from remote {}", id, to, path);
+                    let to = match r#type {
+                        fs::JobType::Generic => fs::DataSource::FilePath(PathBuf::from(&to)),
+                        fs::JobType::Printer => {
+                            fs::DataSource::MemoryCursor(std::io::Cursor::new(Vec::new()))
+                        }
+                    };
                     self.write_jobs.push(fs::TransferJob::new_write(
                         id,
+                        r#type,
                         path.clone(),
                         to,
                         file_num,
@@ -565,14 +573,15 @@ impl<T: InvokeUiSession> Remote<T> {
                         od,
                     ));
                     allow_err!(
-                        peer.send(&fs::new_send(id, path, file_num, include_hidden))
+                        peer.send(&fs::new_send(id, r#type, path, file_num, include_hidden))
                             .await
                     );
                 } else {
                     match fs::TransferJob::new_read(
                         id,
+                        r#type,
                         to.clone(),
-                        path.clone(),
+                        fs::DataSource::FilePath(PathBuf::from(&path)),
                         file_num,
                         include_hidden,
                         is_remote,
@@ -616,7 +625,7 @@ impl<T: InvokeUiSession> Remote<T> {
                     }
                 }
             }
-            Data::AddJob((id, path, to, file_num, include_hidden, is_remote)) => {
+            Data::AddJob((id, r#type, path, to, file_num, include_hidden, is_remote)) => {
                 let od = can_enable_overwrite_detection(self.handler.lc.read().unwrap().version);
                 if is_remote {
                     log::debug!(
@@ -627,8 +636,9 @@ impl<T: InvokeUiSession> Remote<T> {
                     );
                     let mut job = fs::TransferJob::new_write(
                         id,
+                        r#type,
                         path.clone(),
-                        to,
+                        fs::DataSource::FilePath(PathBuf::from(&to)),
                         file_num,
                         include_hidden,
                         is_remote,
@@ -640,8 +650,9 @@ impl<T: InvokeUiSession> Remote<T> {
                 } else {
                     match fs::TransferJob::new_read(
                         id,
+                        r#type,
                         to.clone(),
-                        path.clone(),
+                        fs::DataSource::FilePath(PathBuf::from(&path)),
                         file_num,
                         include_hidden,
                         is_remote,
@@ -679,6 +690,7 @@ impl<T: InvokeUiSession> Remote<T> {
                         allow_err!(
                             peer.send(&fs::new_send(
                                 id,
+                                fs::JobType::Generic,
                                 job.remote.clone(),
                                 job.file_num,
                                 job.show_hidden
@@ -688,17 +700,25 @@ impl<T: InvokeUiSession> Remote<T> {
                     }
                 } else {
                     if let Some(job) = get_job(id, &mut self.read_jobs) {
-                        job.is_last_job = false;
+                        match &job.data_source {
-                        allow_err!(
+                            fs::DataSource::FilePath(p) => {
-                            peer.send(&fs::new_receive(
+                                job.is_last_job = false;
-                                id,
+                                allow_err!(
-                                job.path.to_string_lossy().to_string(),
+                                    peer.send(&fs::new_receive(
-                                job.file_num,
+                                        id,
-                                job.files.clone(),
+                                        p.to_string_lossy().to_string(),
-                                job.total_size(),
+                                        job.file_num,
-                            ))
+                                        job.files.clone(),
-                            .await
+                                        job.total_size(),
-                        );
+                                    ))
+                                    .await
+                                );
+                            }
+                            fs::DataSource::MemoryCursor(_) => {
+                                // unreachable!()
+                                log::error!("Resume job with memory cursor");
+                            }
+                        }
                     }
                 }
             }
@@ -803,11 +823,10 @@ impl<T: InvokeUiSession> Remote<T> {
                 });
                 msg_out.set_file_action(file_action);
                 allow_err!(peer.send(&msg_out).await);
-                if let Some(job) = fs::get_job(id, &mut self.write_jobs) {
+                if let Some(job) = fs::remove_job(id, &mut self.write_jobs) {
                     job.remove_download_file();
-                    fs::remove_job(id, &mut self.write_jobs);
                 }
-                fs::remove_job(id, &mut self.read_jobs);
+                let _ = fs::remove_job(id, &mut self.read_jobs);
                 self.remove_jobs.remove(&id);
             }
             Data::RemoveDir((id, path)) => {
@@ -1402,92 +1421,105 @@ impl<T: InvokeUiSession> Remote<T> {
                             if digest.is_upload {
                                 if let Some(job) = fs::get_job(digest.id, &mut self.read_jobs) {
                                     if let Some(file) = job.files().get(digest.file_num as usize) {
-                                        let read_path = get_string(&job.join(&file.name));
+                                        if let fs::DataSource::FilePath(p) = &job.data_source {
-                                        let overwrite_strategy = job.default_overwrite_strategy();
+                                            let read_path =
-                                        if let Some(overwrite) = overwrite_strategy {
+                                                get_string(&fs::TransferJob::join(p, &file.name));
-                                            let req = FileTransferSendConfirmRequest {
+                                            let overwrite_strategy =
-                                                id: digest.id,
+                                                job.default_overwrite_strategy();
-                                                file_num: digest.file_num,
+                                            if let Some(overwrite) = overwrite_strategy {
-                                                union: Some(if overwrite {
+                                                let req = FileTransferSendConfirmRequest {
-                                                    file_transfer_send_confirm_request::Union::OffsetBlk(0)
+                                                    id: digest.id,
-                                                } else {
+                                                    file_num: digest.file_num,
-                                                    file_transfer_send_confirm_request::Union::Skip(
+                                                    union: Some(if overwrite {
-                                                        true,
+                                                        file_transfer_send_confirm_request::Union::OffsetBlk(0)
-                                                    )
+                                                    } else {
-                                                }),
+                                                        file_transfer_send_confirm_request::Union::Skip(
-                                                ..Default::default()
+                                                            true,
-                                            };
+                                                        )
-                                            job.confirm(&req);
+                                                    }),
-                                            let msg = new_send_confirm(req);
+                                                    ..Default::default()
-                                            allow_err!(peer.send(&msg).await);
+                                                };
-                                        } else {
+                                                job.confirm(&req);
-                                            self.handler.override_file_confirm(
+                                                let msg = new_send_confirm(req);
-                                                digest.id,
+                                                allow_err!(peer.send(&msg).await);
-                                                digest.file_num,
+                                            } else {
-                                                read_path,
+                                                self.handler.override_file_confirm(
-                                                true,
+                                                    digest.id,
-                                                digest.is_identical,
+                                                    digest.file_num,
-                                            );
+                                                    read_path,
+                                                    true,
+                                                    digest.is_identical,
+                                                );
+                                            }
                                         }
                                     }
                                 }
                             } else {
                                 if let Some(job) = fs::get_job(digest.id, &mut self.write_jobs) {
                                     if let Some(file) = job.files().get(digest.file_num as usize) {
-                                        let write_path = get_string(&job.join(&file.name));
+                                        if let fs::DataSource::FilePath(p) = &job.data_source {
-                                        let overwrite_strategy = job.default_overwrite_strategy();
+                                            let write_path =
-                                        match fs::is_write_need_confirmation(&write_path, &digest) {
+                                                get_string(&fs::TransferJob::join(p, &file.name));
-                                            Ok(res) => match res {
+                                            let overwrite_strategy =
-                                                DigestCheckResult::IsSame => {
+                                                job.default_overwrite_strategy();
-                                                    let req = FileTransferSendConfirmRequest {
+                                            match fs::is_write_need_confirmation(
+                                                &write_path,
+                                                &digest,
+                                            ) {
+                                                Ok(res) => match res {
+                                                    DigestCheckResult::IsSame => {
+                                                        let req = FileTransferSendConfirmRequest {
                                                         id: digest.id,
                                                         file_num: digest.file_num,
                                                         union: Some(file_transfer_send_confirm_request::Union::Skip(true)),
                                                         ..Default::default()
                                                     };
-                                                    job.confirm(&req);
-                                                    let msg = new_send_confirm(req);
-                                                    allow_err!(peer.send(&msg).await);
-                                                }
-                                                DigestCheckResult::NeedConfirm(digest) => {
-                                                    if let Some(overwrite) = overwrite_strategy {
-                                                        let req = FileTransferSendConfirmRequest {
-                                                            id: digest.id,
-                                                            file_num: digest.file_num,
-                                                            union: Some(if overwrite {
-                                                                file_transfer_send_confirm_request::Union::OffsetBlk(0)
-                                                            } else {
-                                                                file_transfer_send_confirm_request::Union::Skip(true)
-                                                            }),
-                                                            ..Default::default()
-                                                        };
                                                         job.confirm(&req);
                                                         let msg = new_send_confirm(req);
                                                         allow_err!(peer.send(&msg).await);
-                                                    } else {
-                                                        self.handler.override_file_confirm(
-                                                            digest.id,
-                                                            digest.file_num,
-                                                            write_path,
-                                                            false,
-                                                            digest.is_identical,
-                                                        );
                                                     }
-                                                }
+                                                    DigestCheckResult::NeedConfirm(digest) => {
-                                                DigestCheckResult::NoSuchFile => {
+                                                        if let Some(overwrite) = overwrite_strategy
-                                                    let req = FileTransferSendConfirmRequest {
+                                                        {
+                                                            let req =
+                                                                FileTransferSendConfirmRequest {
+                                                                    id: digest.id,
+                                                                    file_num: digest.file_num,
+                                                                    union: Some(if overwrite {
+                                                                        file_transfer_send_confirm_request::Union::OffsetBlk(0)
+                                                                    } else {
+                                                                        file_transfer_send_confirm_request::Union::Skip(true)
+                                                                    }),
+                                                                    ..Default::default()
+                                                                };
+                                                            job.confirm(&req);
+                                                            let msg = new_send_confirm(req);
+                                                            allow_err!(peer.send(&msg).await);
+                                                        } else {
+                                                            self.handler.override_file_confirm(
+                                                                digest.id,
+                                                                digest.file_num,
+                                                                write_path,
+                                                                false,
+                                                                digest.is_identical,
+                                                            );
+                                                        }
+                                                    }
+                                                    DigestCheckResult::NoSuchFile => {
+                                                        let req = FileTransferSendConfirmRequest {
                                                         id: digest.id,
                                                         file_num: digest.file_num,
                                                         union: Some(file_transfer_send_confirm_request::Union::OffsetBlk(0)),
                                                         ..Default::default()
                                                     };
-                                                    job.confirm(&req);
+                                                        job.confirm(&req);
-                                                    let msg = new_send_confirm(req);
+                                                        let msg = new_send_confirm(req);
-                                                    allow_err!(peer.send(&msg).await);
+                                                        allow_err!(peer.send(&msg).await);
+                                                    }
+                                                },
+                                                Err(err) => {
+                                                    println!("error receiving digest: {}", err);
                                                 }
-                                            },
-                                            Err(err) => {
-                                                println!("error receiving digest: {}", err);
                                             }
                                         }
                                     }
@@ -1499,23 +1531,56 @@ impl<T: InvokeUiSession> Remote<T> {
                                 if let Err(_err) = job.write(block).await {
                                     // to-do: add "skip" for writing job
                                 }
-                                self.update_jobs_status();
+                                if job.r#type == fs::JobType::Generic {
+                                    self.update_jobs_status();
+                                }
                             }
                         }
                         Some(file_response::Union::Done(d)) => {
                             let mut err: Option<String> = None;
-                            if let Some(job) = fs::get_job(d.id, &mut self.write_jobs) {
+                            let mut job_type = fs::JobType::Generic;
+                            let mut printer_data = None;
+                            if let Some(job) = fs::remove_job(d.id, &mut self.write_jobs) {
                                 job.modify_time();
                                 err = job.job_error();
-                                fs::remove_job(d.id, &mut self.write_jobs);
+                                job_type = job.r#type;
+                                printer_data = job.get_buf_data();
+                            }
+                            match job_type {
+                                fs::JobType::Generic => {
+                                    self.handle_job_status(d.id, d.file_num, err);
+                                }
+                                fs::JobType::Printer =>
+                                {
+                                    #[cfg(target_os = "windows")]
+                                    if let Some(data) = printer_data {
+                                        let printer_name = self
+                                            .handler
+                                            .printer_names
+                                            .write()
+                                            .unwrap()
+                                            .remove(&d.id);
+                                        crate::platform::send_raw_data_to_printer(
+                                            printer_name,
+                                            data,
+                                        )
+                                        .ok();
+                                    }
+                                }
                             }
-                            self.handle_job_status(d.id, d.file_num, err);
                         }
                         Some(file_response::Union::Error(e)) => {
-                            if let Some(_job) = fs::get_job(e.id, &mut self.write_jobs) {
+                            let job_type = fs::remove_job(e.id, &mut self.write_jobs)
-                                fs::remove_job(e.id, &mut self.write_jobs);
+                                .map(|j| j.r#type)
+                                .unwrap_or(fs::JobType::Generic);
+                            match job_type {
+                                fs::JobType::Generic => {
+                                    self.handle_job_status(e.id, e.file_num, Some(e.error));
+                                }
+                                fs::JobType::Printer => {
+                                    log::error!("Printer job error: {}", e.error);
+                                }
                             }
-                            self.handle_job_status(e.id, e.file_num, Some(e.error));
                         }
                         _ => {}
                     }
@@ -1739,6 +1804,41 @@ impl<T: InvokeUiSession> Remote<T> {
                     }
                 }
                 Some(message::Union::FileAction(action)) => match action.union {
+                    Some(file_action::Union::Send(_s)) => match _s.file_type.enum_value() {
+                        #[cfg(target_os = "windows")]
+                        Ok(file_transfer_send_request::FileType::Printer) => {
+                            #[cfg(feature = "flutter")]
+                            let action = LocalConfig::get_option(
+                                config::keys::OPTION_PRINTER_INCOMING_JOB_ACTION,
+                            );
+                            #[cfg(not(feature = "flutter"))]
+                            let action = "";
+                            if action == "dismiss" {
+                                // Just ignore the incoming print job.
+                            } else {
+                                let id = fs::get_next_job_id();
+                                #[cfg(feature = "flutter")]
+                                let allow_auto_print = LocalConfig::get_bool_option(
+                                    config::keys::OPTION_PRINTER_ALLOW_AUTO_PRINT,
+                                );
+                                #[cfg(not(feature = "flutter"))]
+                                let allow_auto_print = false;
+                                if allow_auto_print {
+                                    let printer_name = if action == "" {
+                                        "".to_string()
+                                    } else {
+                                        LocalConfig::get_option(
+                                            config::keys::OPTION_PRINTER_SELECTED_NAME,
+                                        )
+                                    };
+                                    self.handler.printer_response(id, _s.path, printer_name);
+                                } else {
+                                    self.handler.printer_request(id, _s.path);
+                                }
+                            }
+                        }
+                        _ => {}
+                    },
                     Some(file_action::Union::SendConfirm(c)) => {
                         if let Some(job) = fs::get_job(c.id, &mut self.read_jobs) {
                             job.confirm(&c);
@@ -2004,7 +2104,7 @@ impl<T: InvokeUiSession> Remote<T> {
     async fn handle_cliprdr_msg(
         &mut self,
         clip: hbb_common::message_proto::Cliprdr,
-        peer: &mut Stream,
+        _peer: &mut Stream,
     ) {
         log::debug!("handling cliprdr msg from server peer");
         #[cfg(feature = "flutter")]
@@ -2074,7 +2174,7 @@ impl<T: InvokeUiSession> Remote<T> {
                 }
 
                 if let Some(msg) = out_msg {
-                    allow_err!(peer.send(&msg).await);
+                    allow_err!(_peer.send(&msg).await);
                 }
             }
         }

src/common.rs

@@ -139,6 +139,10 @@ pub fn is_support_file_copy_paste_num(ver: i64) -> bool {
     ver >= hbb_common::get_version_number("1.3.8")
 }
 
+pub fn is_support_remote_print(ver: &str) -> bool {
+    hbb_common::get_version_number(ver) >= hbb_common::get_version_number("1.3.9")
+}
+
 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")
 }

src/core_main.rs

@@ -196,12 +196,11 @@ pub fn core_main() -> Option<Vec<String>> {
                 if config::is_disable_installation() {
                     return None;
                 }
-                let res = platform::install_me(
+                #[cfg(not(windows))]
-                    "desktopicon startmenu",
+                let options = "desktopicon startmenu";
-                    "".to_owned(),
+                #[cfg(windows)]
-                    true,
+                let options = "desktopicon startmenu printer";
-                    args.len() > 1,
+                let res = platform::install_me(options, "".to_owned(), true, args.len() > 1);
-                );
                 let text = match res {
                     Ok(_) => translate("Installation Successful!".to_string()),
                     Err(err) => {

src/flutter.rs

@@ -1059,6 +1059,14 @@ impl InvokeUiSession for FlutterHandler {
     fn update_record_status(&self, start: bool) {
         self.push_event("record_status", &[("start", &start.to_string())], &[]);
     }
+
+    fn printer_request(&self, id: i32, path: String) {
+        self.push_event(
+            "printer_request",
+            &[("id", json!(id)), ("path", json!(path))],
+            &[],
+        );
+    }
 }
 
 impl FlutterHandler {

src/flutter_ffi.rs

@@ -624,7 +624,15 @@ pub fn session_send_files(
     _is_dir: bool,
 ) {
     if let Some(session) = sessions::get_session_by_session_id(&session_id) {
-        session.send_files(act_id, path, to, file_num, include_hidden, is_remote);
+        session.send_files(
+            act_id,
+            fs::JobType::Generic.into(),
+            path,
+            to,
+            file_num,
+            include_hidden,
+            is_remote,
+        );
     }
 }
 
@@ -749,7 +757,15 @@ pub fn session_add_job(
     is_remote: bool,
 ) {
     if let Some(session) = sessions::get_session_by_session_id(&session_id) {
-        session.add_job(act_id, path, to, file_num, include_hidden, is_remote);
+        session.add_job(
+            act_id,
+            fs::JobType::Generic.into(),
+            path,
+            to,
+            file_num,
+            include_hidden,
+            is_remote,
+        );
     }
 }
 
@@ -1668,6 +1684,17 @@ pub fn session_toggle_virtual_display(session_id: SessionID, index: i32, on: boo
     }
 }
 
+pub fn session_printer_response(
+    session_id: SessionID,
+    id: i32,
+    path: String,
+    printer_name: String,
+) {
+    if let Some(session) = sessions::get_session_by_session_id(&session_id) {
+        session.printer_response(id, path, printer_name);
+    }
+}
+
 pub fn main_set_home_dir(_home: String) {
     #[cfg(any(target_os = "android", target_os = "ios"))]
     {
@@ -2362,6 +2389,68 @@ pub fn main_audio_support_loopback() -> SyncReturn<bool> {
     SyncReturn(is_surpport)
 }
 
+pub fn main_get_printer_names() -> SyncReturn<String> {
+    #[cfg(target_os = "windows")]
+    return SyncReturn(
+        serde_json::to_string(&crate::platform::windows::get_printer_names().unwrap_or_default())
+            .unwrap_or_default(),
+    );
+    #[cfg(not(target_os = "windows"))]
+    return SyncReturn("".to_owned());
+}
+
+pub fn main_get_common(key: String) -> String {
+    if key == "is-printer-installed" {
+        #[cfg(target_os = "windows")]
+        {
+            return match remote_printer::is_rd_printer_installed(&get_app_name()) {
+                Ok(r) => r.to_string(),
+                Err(e) => e.to_string(),
+            };
+        }
+        #[cfg(not(target_os = "windows"))]
+        return false.to_string();
+    } else if key == "is-support-printer-driver" {
+        #[cfg(target_os = "windows")]
+        return crate::platform::is_win_10_or_greater().to_string();
+        #[cfg(not(target_os = "windows"))]
+        return false.to_string();
+    } else if key == "transfer-job-id" {
+        return hbb_common::fs::get_next_job_id().to_string();
+    } else {
+        "".to_owned()
+    }
+}
+
+pub fn main_get_common_sync(key: String) -> SyncReturn<String> {
+    SyncReturn(main_get_common(key))
+}
+
+pub fn main_set_common(_key: String, _value: String) {
+    #[cfg(target_os = "windows")]
+    if _key == "install-printer" && crate::platform::is_win_10_or_greater() {
+        std::thread::spawn(move || {
+            let (success, msg) = match remote_printer::install_update_printer(&get_app_name()) {
+                Ok(_) => (true, "".to_owned()),
+                Err(e) => {
+                    let err = e.to_string();
+                    log::error!("Failed to install/update rd printer: {}", &err);
+                    (false, err)
+                }
+            };
+            let data = HashMap::from([
+                ("name", serde_json::json!("install-printer-res")),
+                ("success", serde_json::json!(success)),
+                ("msg", serde_json::json!(msg)),
+            ]);
+            let _res = flutter::push_global_event(
+                flutter::APP_TYPE_MAIN,
+                serde_json::ser::to_string(&data).unwrap_or("".to_owned()),
+            );
+        });
+    }
+}
+
 #[cfg(target_os = "android")]
 pub mod server_side {
     use hbb_common::{config, log};

src/ipc.rs

@@ -272,6 +272,8 @@ pub enum Data {
     HwCodecConfig(Option<String>),
     RemoveTrustedDevices(Vec<Bytes>),
     ClearTrustedDevices,
+    #[cfg(all(target_os = "windows", feature = "flutter"))]
+    PrinterData(Vec<u8>),
 }
 
 #[tokio::main(flavor = "current_thread")]
@@ -461,7 +463,7 @@ async fn handle(data: Data, stream: &mut Connection) {
                 .lock()
                 .unwrap()
                 .iter()
-                .filter(|x| x.1 == crate::server::AuthConnType::Remote)
+                .filter(|x| x.conn_type == crate::server::AuthConnType::Remote)
                 .count();
             allow_err!(stream.send(&Data::VideoConnCount(Some(n))).await);
         }

src/lang/ar.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/be.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/bg.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ca.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/cn.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "没有摄像头"),
         ("d3d_render_tip", "当启用 D3D 渲染时，某些机器可能无法显示远程画面。"),
         ("Use D3D rendering", "使用 D3D 渲染"),
+        ("Printer", "打印机"),
+        ("printer-os-requirement-tip", "打印机的传出功能需要 Windows 10 或更高版本。"),
+        ("printer-requires-installed-{}-client-tip", "请先安装 {} 客户端。"),
+        ("printer-{}-not-installed-tip", "未安装 {} 打印机。"),
+        ("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 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"),
+        ("auto-print-tip", "使用选择的打印机自动执行"),
+        ("print-incoming-job-confirm-tip", "您收到一个远程打印任务，您想在本地执行它吗？"),
+        ("remote-printing-disallowed-tile-tip", "不允许远程打印"),
+        ("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"),
     ].iter().cloned().collect();
 }

src/lang/cs.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/da.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/de.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Keine Kameras"),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/el.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/en.rs

@@ -241,5 +241,17 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("upgrade_remote_rustdesk_client_to_{}_tip", "Please upgrade the RustDesk client to version {} or newer on the remote side!"),
         ("view_camera_unsupported_tip", "The remote device does not support viewing the camera."),
         ("d3d_render_tip", "When D3D rendering is enabled, the remote control screen may be black on some machines."),
+        ("printer-requires-installed-{}-client-tip", "In order to use remote printing, {} needs to be installed on this device."),
+        ("printer-os-requirement-tip", "The printer outgoing function requires Windows 10 or higher."),
+        ("printer-{}-not-installed-tip", "The {} Printer is not installed."),
+        ("printer-{}-ready-tip", "The {} Printer is installed and ready to use."),
+        ("auto-print-tip", "Print automatically using the selected printer."),
+        ("print-incoming-job-confirm-tip", "You received a print job from remote. Do you want to execute it at your side?"),
+        ("use-the-default-printer-tip", "Use the default printer"),
+        ("use-the-selected-printer-tip", "Use the selected printer"),
+        ("remote-printing-disallowed-tile-tip", "Remote Printing disallowed"),
+        ("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"),
     ].iter().cloned().collect();
 }

src/lang/eo.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/es.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "No hay cámaras"),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/et.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/eu.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/fa.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/fr.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Aucune caméra"),
         ("d3d_render_tip", "Sur certaines machines, l’écran du contrôle à distance peut rester noir lors de l’utilisation du rendu D3D."),
         ("Use D3D rendering", "Utiliser le rendu D3D"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/he.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/hr.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/hu.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/id.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/it.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Nessuna camera"),
         ("d3d_render_tip", "Quando è abilitato il rendering D3D, in alcuni computer la schermata del telecomando potrebbe essere nera."),
         ("Use D3D rendering", "Usa rendering D3D"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ja.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ko.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/kz.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/lt.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/lv.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Nav kameru"),
         ("d3d_render_tip", "Ja ir iespējota D3D renderēšana, dažās ierīcēs tālvadības pults ekrāns var būt melns."),
         ("Use D3D rendering", "Izmantot D3D renderēšanu"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/nb.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/nl.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Geen camera's"),
         ("d3d_render_tip", "Wanneer D3D-rendering is ingeschakeld kan het externe scherm op sommige apparaten, zwart zijn."),
         ("Use D3D rendering", "Gebruik D3D-rendering"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/pl.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/pt_PT.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ptbr.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ro.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ru.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Камера отсутствует"),
         ("d3d_render_tip", "При включении визуализации D3D на некоторых устройствах удалённый экран может быть чёрным."),
         ("Use D3D rendering", "Использовать визуализацию D3D"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/sc.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "Peruna càmera"),
         ("d3d_render_tip", "Cando sa renderizatzione D3D est abilitada, s'ischermu de controllu remotu diat pòdere èssere nieddu in unas cantas màchinas"),
         ("Use D3D rendering", "Imprea sa renderizatzione D3D"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/sk.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/sl.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/sq.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/sr.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/sv.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/ta.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/template.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/th.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/tr.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/tw.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", "沒有鏡頭"),
         ("d3d_render_tip", "當啟用 D3D 渲染時，某些機器可能會無法顯示遠端畫面。"),
         ("Use D3D rendering", "使用 D3D 渲染"),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/uk.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/lang/vn.rs

@@ -664,5 +664,22 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("No cameras", ""),
         ("d3d_render_tip", ""),
         ("Use D3D rendering", ""),
+        ("Printer", ""),
+        ("printer-os-requirement-tip", ""),
+        ("printer-requires-installed-{}-client-tip", ""),
+        ("printer-{}-not-installed-tip", ""),
+        ("printer-{}-ready-tip", ""),
+        ("Install {} Printer", ""),
+        ("Outgoing Print Jobs", ""),
+        ("Incomming Print Jobs", ""),
+        ("Incoming Print Job", ""),
+        ("use-the-default-printer-tip", ""),
+        ("use-the-selected-printer-tip", ""),
+        ("auto-print-tip", ""),
+        ("print-incoming-job-confirm-tip", ""),
+        ("remote-printing-disallowed-tile-tip", ""),
+        ("remote-printing-disallowed-text-tip", ""),
+        ("save-settings-tip", ""),
+        ("dont-show-again-tip", ""),
     ].iter().cloned().collect();
 }

src/platform/windows.cc

@@ -1,6 +1,8 @@
 #include <windows.h>
 #include <wtsapi32.h>
 #include <tlhelp32.h>
+#include <comdef.h>
+#include <xpsprint.h>
 #include <cstdio>
 #include <cstdint>
 #include <intrin.h>
@@ -11,6 +13,7 @@
 #include <versionhelpers.h>
 #include <vector>
 #include <sddl.h>
+#include <memory>
 
 extern "C" uint32_t get_session_user_info(PWSTR bufin, uint32_t nin, uint32_t id);
 
@@ -859,4 +862,114 @@ extern "C"
 
         return isRunning;
     }
-} // end of extern "C"
+} // end of extern "C"
+
+// Remote printing 
+extern "C"
+{
+#pragma comment(lib, "XpsPrint.lib")
+#pragma warning(push)
+#pragma warning(disable : 4995)
+
+#define PRINT_XPS_CHECK_HR(hr, msg)                      \
+    if (FAILED(hr))                                      \
+    {                                                    \
+        _com_error err(hr);                              \
+        flog("%s Error: %s\n", msg, err.ErrorMessage()); \
+        return -1;                                       \
+    }
+
+    int PrintXPSRawData(LPWSTR printerName, BYTE *rawData, ULONG dataSize)
+    {
+        BOOL isCoInitializeOk = FALSE;
+        HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
+        if (hr == RPC_E_CHANGED_MODE)
+        {
+            hr = CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+        }
+        if (hr == S_OK)
+        {
+            isCoInitializeOk = TRUE;
+        }
+        std::shared_ptr<int> coInitGuard(nullptr, [isCoInitializeOk](int *) {
+            if (isCoInitializeOk) CoUninitialize();
+        });
+
+        IXpsOMObjectFactory *xpsFactory = nullptr;
+        hr = CoCreateInstance(
+            __uuidof(XpsOMObjectFactory),
+            nullptr,
+            CLSCTX_INPROC_SERVER,
+            __uuidof(IXpsOMObjectFactory),
+            reinterpret_cast<LPVOID *>(&xpsFactory));
+        PRINT_XPS_CHECK_HR(hr, "Failed to create XPS object factory.");
+        std::shared_ptr<IXpsOMObjectFactory> xpsFactoryGuard(
+            xpsFactory,
+            [](IXpsOMObjectFactory *xpsFactory) {
+                xpsFactory->Release();
+        });
+
+        HANDLE completionEvent = CreateEvent(nullptr, TRUE, FALSE, nullptr);
+        if (completionEvent == nullptr)
+        {
+            flog("Failed to create completion event. Last error: %d\n", GetLastError());
+            return -1;
+        }
+        std::shared_ptr<HANDLE> completionEventGuard(
+            &completionEvent,
+            [](HANDLE *completionEvent) {
+                CloseHandle(*completionEvent);
+        });
+
+        IXpsPrintJob *job = nullptr;
+        IXpsPrintJobStream *jobStream = nullptr;
+        // `StartXpsPrintJob()` is deprecated, but we still use it for compatibility.
+        // We may change to use the `Print Document Package API` in the future.
+        // https://learn.microsoft.com/en-us/windows/win32/printdocs/xpsprint-functions
+        hr = StartXpsPrintJob(
+            printerName,
+            L"Print Job 1",
+            nullptr,
+            nullptr,
+            completionEvent,
+            nullptr,
+            0,
+            &job,
+            &jobStream,
+            nullptr);
+        PRINT_XPS_CHECK_HR(hr, "Failed to start XPS print job.");
+
+        std::shared_ptr<IXpsPrintJobStream> jobStreamGuard(jobStream, [](IXpsPrintJobStream *jobStream) {
+                jobStream->Release();
+        });
+        BOOL jobOk = FALSE;
+        std::shared_ptr<IXpsPrintJob> jobGuard(job, [&jobOk](IXpsPrintJob* job) {
+            if (jobOk == FALSE)
+            {
+                job->Cancel();
+            }
+            job->Release();
+        });
+
+        DWORD bytesWritten = 0;
+        hr = jobStream->Write(rawData, dataSize, &bytesWritten);
+        PRINT_XPS_CHECK_HR(hr, "Failed to write data to print job stream.");
+
+        hr = jobStream->Close();
+        PRINT_XPS_CHECK_HR(hr, "Failed to close print job stream.");
+
+        // Wait about 5 minutes for the print job to complete.
+        DWORD waitMillis = 300 * 1000;
+        DWORD waitResult = WaitForSingleObject(completionEvent, waitMillis);
+        if (waitResult != WAIT_OBJECT_0)
+        {
+            flog("Wait for print job completion failed. Last error: %d\n", GetLastError());
+            return -1;
+        }
+        jobOk = TRUE;
+
+        return 0;
+    }
+
+#pragma warning(pop)
+}

src/platform/windows.rs

@@ -21,23 +21,22 @@ use std::{
     fs,
     io::{self, prelude::*},
     mem,
-    os::windows::process::CommandExt,
+    os::{raw::c_ulong, windows::process::CommandExt},
     path::*,
     ptr::null_mut,
     sync::{atomic::Ordering, Arc, Mutex},
     time::{Duration, Instant},
 };
 use wallpaper;
+#[cfg(not(debug_assertions))]
+use winapi::um::libloaderapi::{LoadLibraryExW, LOAD_LIBRARY_SEARCH_USER_DIRS};
 use winapi::{
     ctypes::c_void,
     shared::{minwindef::*, ntdef::NULL, windef::*, winerror::*},
     um::{
         errhandlingapi::GetLastError,
         handleapi::CloseHandle,
-        libloaderapi::{
+        libloaderapi::{GetProcAddress, LoadLibraryExA, LOAD_LIBRARY_SEARCH_SYSTEM32},
-            GetProcAddress, LoadLibraryExA, LoadLibraryExW, LOAD_LIBRARY_SEARCH_SYSTEM32,
-            LOAD_LIBRARY_SEARCH_USER_DIRS,
-        },
         minwinbase::STILL_ACTIVE,
         processthreadsapi::{
             GetCurrentProcess, GetCurrentProcessId, GetExitCodeProcess, OpenProcess,
@@ -54,6 +53,10 @@ use winapi::{
             TOKEN_ELEVATION, TOKEN_QUERY,
         },
         winreg::HKEY_CURRENT_USER,
+        winspool::{
+            EnumPrintersW, GetDefaultPrinterW, PRINTER_ENUM_CONNECTIONS, PRINTER_ENUM_LOCAL,
+            PRINTER_INFO_1W,
+        },
         winuser::*,
     },
 };
@@ -73,6 +76,7 @@ pub const SET_FOREGROUND_WINDOW: &'static str = "SET_FOREGROUND_WINDOW";
 
 const REG_NAME_INSTALL_DESKTOPSHORTCUTS: &str = "DESKTOPSHORTCUTS";
 const REG_NAME_INSTALL_STARTMENUSHORTCUTS: &str = "STARTMENUSHORTCUTS";
+const REG_NAME_INSTALL_PRINTER: &str = "PRINTER";
 
 pub fn get_focused_display(displays: Vec<DisplayInfo>) -> Option<usize> {
     unsafe {
@@ -1011,6 +1015,10 @@ pub fn get_install_options() -> String {
     if let Some(start_menu_shortcuts) = start_menu_shortcuts {
         opts.insert(REG_NAME_INSTALL_STARTMENUSHORTCUTS, start_menu_shortcuts);
     }
+    let printer = get_reg_of_hkcr(&subkey, REG_NAME_INSTALL_PRINTER);
+    if let Some(printer) = printer {
+        opts.insert(REG_NAME_INSTALL_PRINTER, printer);
+    }
     serde_json::to_string(&opts).unwrap_or("{}".to_owned())
 }
 
@@ -1136,6 +1144,7 @@ fn get_after_install(
     exe: &str,
     reg_value_start_menu_shortcuts: Option<String>,
     reg_value_desktop_shortcuts: Option<String>,
+    reg_value_printer: Option<String>,
 ) -> String {
     let app_name = crate::get_app_name();
     let ext = app_name.to_lowercase();
@@ -1159,12 +1168,20 @@ fn get_after_install(
             )
         })
         .unwrap_or_default();
+    let reg_printer = reg_value_printer
+        .map(|v| {
+            format!(
+                "reg add HKEY_CLASSES_ROOT\\.{ext} /f /v {REG_NAME_INSTALL_PRINTER} /t REG_SZ /d \"{v}\""
+            )
+        })
+        .unwrap_or_default();
 
     format!("
     chcp 65001
     reg add HKEY_CLASSES_ROOT\\.{ext} /f
     {desktop_shortcuts}
     {start_menu_shortcuts}
+    {reg_printer}
     reg add HKEY_CLASSES_ROOT\\.{ext}\\DefaultIcon /f
     reg add HKEY_CLASSES_ROOT\\.{ext}\\DefaultIcon /f /ve /t REG_SZ  /d \"\\\"{exe}\\\",0\"
     reg add HKEY_CLASSES_ROOT\\.{ext}\\shell /f
@@ -1249,6 +1266,7 @@ oLink.Save
     let tray_shortcut = get_tray_shortcut(&exe, &tmp_path)?;
     let mut reg_value_desktop_shortcuts = "0".to_owned();
     let mut reg_value_start_menu_shortcuts = "0".to_owned();
+    let mut reg_value_printer = "0".to_owned();
     let mut shortcuts = Default::default();
     if options.contains("desktopicon") {
         shortcuts = format!(
@@ -1268,6 +1286,10 @@ copy /Y \"{tmp_path}\\Uninstall {app_name}.lnk\" \"{start_menu}\\\"
         );
         reg_value_start_menu_shortcuts = "1".to_owned();
     }
+    let install_printer = options.contains("printer") && crate::platform::is_win_10_or_greater();
+    if install_printer {
+        reg_value_printer = "1".to_owned();
+    }
 
     let meta = std::fs::symlink_metadata(std::env::current_exe()?)?;
     let size = meta.len() / 1024;
@@ -1338,7 +1360,8 @@ copy /Y \"{tmp_path}\\Uninstall {app_name}.lnk\" \"{path}\\\"
         after_install = get_after_install(
             &exe,
             Some(reg_value_start_menu_shortcuts),
-            Some(reg_value_desktop_shortcuts)
+            Some(reg_value_desktop_shortcuts),
+            Some(reg_value_printer)
         ),
         sleep = if debug { "timeout 300" } else { "" },
         dels = if debug { "" } else { &dels },
@@ -1346,13 +1369,22 @@ copy /Y \"{tmp_path}\\Uninstall {app_name}.lnk\" \"{path}\\\"
         import_config = get_import_config(&exe),
     );
     run_cmds(cmds, debug, "install")?;
+    if install_printer {
+        allow_err!(remote_printer::install_update_printer(
+            &crate::get_app_name()
+        ));
+    }
     run_after_run_cmds(silent);
     Ok(())
 }
 
 pub fn run_after_install() -> ResultType<()> {
     let (_, _, _, exe) = get_install_info();
-    run_cmds(get_after_install(&exe, None, None), true, "after_install")
+    run_cmds(
+        get_after_install(&exe, None, None, None),
+        true,
+        "after_install",
+    )
 }
 
 pub fn run_before_uninstall() -> ResultType<()> {
@@ -1413,6 +1445,9 @@ fn get_uninstall(kill_self: bool) -> String {
 }
 
 pub fn uninstall_me(kill_self: bool) -> ResultType<()> {
+    if crate::platform::is_win_10_or_greater() {
+        remote_printer::uninstall_printer(&crate::get_app_name());
+    }
     run_cmds(get_uninstall(kill_self), true, "uninstall")
 }
 
@@ -1570,9 +1605,18 @@ pub fn bootstrap() -> bool {
         *config::EXE_RENDEZVOUS_SERVER.write().unwrap() = lic.host.clone();
     }
 
-    set_safe_load_dll()
+    #[cfg(debug_assertions)]
+    {
+        true
+    }
+    #[cfg(not(debug_assertions))]
+    {
+        // This function will cause `'sciter.dll' was not found neither in PATH nor near the current executable.` when debugging RustDesk.
+        set_safe_load_dll()
+    }
 }
 
+#[cfg(not(debug_assertions))]
 fn set_safe_load_dll() -> bool {
     if !unsafe { set_default_dll_directories() } {
         return false;
@@ -1589,6 +1633,7 @@ fn set_safe_load_dll() -> bool {
 }
 
 // https://docs.microsoft.com/en-us/windows/win32/api/libloaderapi/nf-libloaderapi-setdefaultdlldirectories
+#[cfg(not(debug_assertions))]
 unsafe fn set_default_dll_directories() -> bool {
     let module = LoadLibraryExW(
         wide_string("Kernel32.dll").as_ptr(),
@@ -2728,3 +2773,119 @@ pub mod reg_display_settings {
         }
     }
 }
+
+pub fn get_printer_names() -> ResultType<Vec<String>> {
+    let mut needed_bytes = 0;
+    let mut returned_count = 0;
+
+    unsafe {
+        // First call to get required buffer size
+        EnumPrintersW(
+            PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+            std::ptr::null_mut(),
+            1,
+            std::ptr::null_mut(),
+            0,
+            &mut needed_bytes,
+            &mut returned_count,
+        );
+
+        let mut buffer = vec![0u8; needed_bytes as usize];
+
+        if EnumPrintersW(
+            PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+            std::ptr::null_mut(),
+            1,
+            buffer.as_mut_ptr() as *mut _,
+            needed_bytes,
+            &mut needed_bytes,
+            &mut returned_count,
+        ) == 0
+        {
+            return Err(anyhow!("Failed to enumerate printers"));
+        }
+
+        let ptr = buffer.as_ptr() as *const PRINTER_INFO_1W;
+        let printers = std::slice::from_raw_parts(ptr, returned_count as usize);
+
+        Ok(printers
+            .iter()
+            .filter_map(|p| {
+                let name = p.pName;
+                if !name.is_null() {
+                    let mut len = 0;
+                    while len < 500 {
+                        if name.add(len).is_null() || *name.add(len) == 0 {
+                            break;
+                        }
+                        len += 1;
+                    }
+                    if len > 0 && len < 500 {
+                        Some(String::from_utf16_lossy(std::slice::from_raw_parts(
+                            name, len,
+                        )))
+                    } else {
+                        None
+                    }
+                } else {
+                    None
+                }
+            })
+            .collect())
+    }
+}
+
+extern "C" {
+    fn PrintXPSRawData(printer_name: *const u16, raw_data: *const u8, data_size: c_ulong) -> DWORD;
+}
+
+pub fn send_raw_data_to_printer(printer_name: Option<String>, data: Vec<u8>) -> ResultType<()> {
+    let mut printer_name = printer_name.unwrap_or_default();
+    if printer_name.is_empty() {
+        // use GetDefaultPrinter to get the default printer name
+        let mut needed_bytes = 0;
+        unsafe {
+            GetDefaultPrinterW(std::ptr::null_mut(), &mut needed_bytes);
+        }
+        if needed_bytes > 0 {
+            let mut default_printer_name = vec![0u16; needed_bytes as usize];
+            unsafe {
+                GetDefaultPrinterW(
+                    default_printer_name.as_mut_ptr() as *mut _,
+                    &mut needed_bytes,
+                );
+            }
+            printer_name = String::from_utf16_lossy(&default_printer_name[..needed_bytes as usize]);
+        }
+    } else {
+        if let Ok(names) = crate::platform::windows::get_printer_names() {
+            if !names.contains(&printer_name) {
+                // Don't set the first printer as current printer.
+                // It may not be the desired printer.
+                log::error!(
+                    "Printer name \"{}\" not found, ignore the print job",
+                    printer_name
+                );
+                bail!("Printer name \"{}\" not found", &printer_name);
+            }
+        }
+    }
+    if printer_name.is_empty() {
+        log::error!("Failed to get printer name");
+        return Err(anyhow!("Failed to get printer name"));
+    }
+
+    let printer_name = wide_string(&printer_name);
+    unsafe {
+        let res = PrintXPSRawData(
+            printer_name.as_ptr(),
+            data.as_ptr() as *const u8,
+            data.len() as c_ulong,
+        );
+        if res != 0 {
+            bail!("Failed to send file to printer, see logs in C:\\Windows\\temp\\test_rustdesk.log for more details.");
+        }
+    }
+
+    Ok(())
+}

src/server.rs

@@ -70,6 +70,9 @@ mod service;
 mod video_qos;
 pub mod video_service;
 
+#[cfg(all(target_os = "windows", feature = "flutter"))]
+pub mod printer_service;
+
 pub type Childs = Arc<Mutex<Vec<std::process::Child>>>;
 type ConnMap = HashMap<i32, ConnInner>;
 
@@ -129,6 +132,20 @@ pub fn new() -> ServerPtr {
             server.add_service(Box::new(input_service::new_window_focus()));
         }
     }
+    #[cfg(all(target_os = "windows", feature = "flutter"))]
+    {
+        match printer_service::init(&crate::get_app_name()) {
+            Ok(()) => {
+                log::info!("printer service initialized");
+                server.add_service(Box::new(printer_service::new(
+                    printer_service::NAME.to_owned(),
+                )));
+            }
+            Err(e) => {
+                log::error!("printer service init failed: {}", e);
+            }
+        }
+    }
     Arc::new(RwLock::new(server))
 }
 

src/server/connection.rs

@@ -28,7 +28,7 @@ use hbb_common::platform::linux::run_cmds;
 use hbb_common::protobuf::EnumOrUnknown;
 use hbb_common::{
     config::{self, keys, Config, TrustedDevice},
-    fs::{self, can_enable_overwrite_detection},
+    fs::{self, can_enable_overwrite_detection, JobType},
     futures::{SinkExt, StreamExt},
     get_time, get_version_number,
     message_proto::{option_message::BoolOption, permission_info::Permission},
@@ -67,7 +67,7 @@ lazy_static::lazy_static! {
     static ref LOGIN_FAILURES: [Arc::<Mutex<HashMap<String, (i32, i32, i32)>>>; 2] = Default::default();
     static ref SESSIONS: Arc::<Mutex<HashMap<SessionKey, Session>>> = Default::default();
     static ref ALIVE_CONNS: Arc::<Mutex<Vec<i32>>> = Default::default();
-    pub static ref AUTHED_CONNS: Arc::<Mutex<Vec<(i32, AuthConnType, SessionKey)>>> = Default::default();
+    pub static ref AUTHED_CONNS: Arc::<Mutex<Vec<AuthedConn>>> = Default::default();
     static ref SWITCH_SIDES_UUID: Arc::<Mutex<HashMap<String, (Instant, uuid::Uuid)>>> = Default::default();
     static ref WAKELOCK_SENDER: Arc::<Mutex<std::sync::mpsc::Sender<(usize, usize)>>> = Arc::new(Mutex::new(start_wakelock_thread()));
 }
@@ -245,6 +245,8 @@ pub struct Connection {
     follow_remote_cursor: bool,
     follow_remote_window: bool,
     multi_ui_session: bool,
+    tx_from_authed: mpsc::UnboundedSender<ipc::Data>,
+    printer_data: Vec<(Instant, String, Vec<u8>)>,
 }
 
 impl ConnInner {
@@ -309,6 +311,7 @@ impl Connection {
         let (tx, mut rx) = mpsc::unbounded_channel::<(Instant, Arc<Message>)>();
         let (tx_video, mut rx_video) = mpsc::unbounded_channel::<(Instant, Arc<Message>)>();
         let (tx_input, _rx_input) = std_mpsc::channel();
+        let (tx_from_authed, mut rx_from_authed) = mpsc::unbounded_channel::<ipc::Data>();
         let mut hbbs_rx = crate::hbbs_http::sync::signal_receiver();
         #[cfg(not(any(target_os = "android", target_os = "ios")))]
         let (tx_cm_stream_ready, _rx_cm_stream_ready) = mpsc::channel(1);
@@ -396,6 +399,8 @@ impl Connection {
             delayed_read_dir: None,
             #[cfg(target_os = "macos")]
             retina: Retina::default(),
+            tx_from_authed,
+            printer_data: Vec::new(),
         };
         let addr = hbb_common::try_into_v4(addr);
         if !conn.on_open(addr).await {
@@ -758,6 +763,19 @@ impl Connection {
                         break;
                     }
                 },
+                Some(data) = rx_from_authed.recv() => {
+                    match data {
+                        #[cfg(all(target_os = "windows", feature = "flutter"))]
+                        ipc::Data::PrinterData(data) => {
+                            if config::Config::get_bool_option(config::keys::OPTION_ENABLE_REMOTE_PRINTER) {
+                                conn.send_printer_request(data).await;
+                            } else {
+                                conn.send_remote_printing_disallowed().await;
+                            }
+                        }
+                        _ => {}
+                    }
+                }
                 _ = second_timer.tick() => {
                     #[cfg(windows)]
                     conn.portable_check();
@@ -1104,6 +1122,22 @@ impl Connection {
         });
     }
 
+    fn get_files_for_audit(job_type: fs::JobType, mut files: Vec<FileEntry>) -> Vec<(String, i64)> {
+        files
+            .drain(..)
+            .map(|f| {
+                (
+                    if job_type == fs::JobType::Printer {
+                        "Remote print".to_owned()
+                    } else {
+                        f.name
+                    },
+                    f.size as _,
+                )
+            })
+            .collect()
+    }
+
     fn post_file_audit(
         &self,
         r#type: FileAuditType,
@@ -1212,6 +1246,8 @@ impl Connection {
             self.inner.id(),
             auth_conn_type,
             self.session_key(),
+            self.tx_from_authed.clone(),
+            self.lr.clone(),
         ));
         self.session_last_recv_time = SESSIONS
             .lock()
@@ -2318,7 +2354,15 @@ impl Connection {
                     }
                 }
                 Some(message::Union::FileAction(fa)) => {
-                    if self.file_transfer.is_some() {
+                    let mut handle_fa = self.file_transfer.is_some();
+                    if !handle_fa {
+                        if let Some(file_action::Union::Send(s)) = fa.union.as_ref() {
+                            if JobType::from_proto(s.file_type) == JobType::Printer {
+                                handle_fa = true;
+                            }
+                        }
+                    }
+                    if handle_fa {
                         if self.delayed_read_dir.is_some() {
                             if let Some(file_action::Union::ReadDir(rd)) = fa.union {
                                 self.delayed_read_dir = Some((rd.path, rd.include_hidden));
@@ -2375,10 +2419,32 @@ impl Connection {
                                     &self.lr.version,
                                 ));
                                 let path = s.path.clone();
+                                let r#type = JobType::from_proto(s.file_type);
+                                let data_source;
+                                match r#type {
+                                    JobType::Generic => {
+                                        data_source =
+                                            fs::DataSource::FilePath(PathBuf::from(&path));
+                                    }
+                                    JobType::Printer => {
+                                        if let Some(pd) =
+                                            self.printer_data.iter().find(|(_, p, _)| *p == path)
+                                        {
+                                            data_source = fs::DataSource::MemoryCursor(
+                                                std::io::Cursor::new(pd.2.clone()),
+                                            );
+                                            self.printer_data.retain(|f| f.1 != path);
+                                        } else {
+                                            // Ignore this message if the printer data is not found
+                                            return true;
+                                        }
+                                    }
+                                };
                                 match fs::TransferJob::new_read(
                                     id,
+                                    r#type,
                                     "".to_string(),
-                                    path.clone(),
+                                    data_source,
                                     s.file_num,
                                     s.include_hidden,
                                     false,
@@ -2390,19 +2456,21 @@ impl Connection {
                                     Ok(mut job) => {
                                         self.send(fs::new_dir(id, path, job.files().to_vec()))
                                             .await;
-                                        let mut files = job.files().to_owned();
+                                        let files = job.files().to_owned();
                                         job.is_remote = true;
                                         job.conn_id = self.inner.id();
+                                        let job_type = job.r#type;
                                         self.read_jobs.push(job);
                                         self.file_timer =
                                             crate::rustdesk_interval(time::interval(MILLI1));
                                         self.post_file_audit(
                                             FileAuditType::RemoteSend,
-                                            &s.path,
+                                            if job_type == fs::JobType::Printer {
-                                            files
+                                                "Remote print"
-                                                .drain(..)
+                                            } else {
-                                                .map(|f| (f.name, f.size as _))
+                                                &s.path
-                                                .collect(),
+                                            },
+                                            Self::get_files_for_audit(job_type, files),
                                             json!({}),
                                         );
                                     }
@@ -2433,11 +2501,7 @@ impl Connection {
                                 self.post_file_audit(
                                     FileAuditType::RemoteReceive,
                                     &r.path,
-                                    r.files
+                                    Self::get_files_for_audit(fs::JobType::Generic, r.files),
-                                        .to_vec()
-                                        .drain(..)
-                                        .map(|f| (f.name, f.size as _))
-                                        .collect(),
                                     json!({}),
                                 );
                                 self.file_transferred = true;
@@ -2476,13 +2540,12 @@ impl Connection {
                             }
                             Some(file_action::Union::Cancel(c)) => {
                                 self.send_fs(ipc::FS::CancelWrite { id: c.id });
-                                if let Some(job) = fs::get_job_immutable(c.id, &self.read_jobs) {
+                                if let Some(job) = fs::remove_job(c.id, &mut self.read_jobs) {
                                     self.send_to_cm(ipc::Data::FileTransferLog((
                                         "transfer".to_string(),
-                                        fs::serialize_transfer_job(job, false, true, ""),
+                                        fs::serialize_transfer_job(&job, false, true, ""),
                                     )));
                                 }
-                                fs::remove_job(c.id, &mut self.read_jobs);
                             }
                             Some(file_action::Union::SendConfirm(r)) => {
                                 if let Some(job) = fs::get_job(r.id, &mut self.read_jobs) {
@@ -3635,6 +3698,32 @@ impl Connection {
     fn try_empty_file_clipboard(&mut self) {
         try_empty_clipboard_files(ClipboardSide::Host, self.inner.id());
     }
+
+    #[cfg(all(target_os = "windows", feature = "flutter"))]
+    async fn send_printer_request(&mut self, data: Vec<u8>) {
+        // This path is only used to identify the printer job.
+        let path = format!("RustDesk://FsJob//Printer/{}", get_time());
+
+        let msg = fs::new_send(0, fs::JobType::Printer, path.clone(), 1, false);
+        self.send(msg).await;
+        self.printer_data
+            .retain(|(t, _, _)| t.elapsed().as_secs() < 60);
+        self.printer_data.push((Instant::now(), path, data));
+    }
+
+    #[cfg(all(target_os = "windows", feature = "flutter"))]
+    async fn send_remote_printing_disallowed(&mut self) {
+        let mut msg_out = Message::new();
+        let res = MessageBox {
+            msgtype: "custom-nook-nocancel-hasclose".to_owned(),
+            title: "remote-printing-disallowed-tile-tip".to_owned(),
+            text: "remote-printing-disallowed-text-tip".to_owned(),
+            link: "".to_owned(),
+            ..Default::default()
+        };
+        msg_out.set_message_box(res);
+        self.send(msg_out).await;
+    }
 }
 
 pub fn insert_switch_sides_uuid(id: String, uuid: uuid::Uuid) {
@@ -3970,6 +4059,19 @@ fn start_wakelock_thread() -> std::sync::mpsc::Sender<(usize, usize)> {
     tx
 }
 
+#[cfg(all(target_os = "windows", feature = "flutter"))]
+pub fn on_printer_data(data: Vec<u8>) {
+    crate::server::AUTHED_CONNS
+        .lock()
+        .unwrap()
+        .iter()
+        .filter(|c| c.printer)
+        .next()
+        .map(|c| {
+            c.sender.send(Data::PrinterData(data)).ok();
+        });
+}
+
 #[cfg(windows)]
 pub struct PortableState {
     pub last_uac: bool,
@@ -4103,6 +4205,14 @@ impl Retina {
     }
 }
 
+pub struct AuthedConn {
+    pub conn_id: i32,
+    pub conn_type: AuthConnType,
+    pub session_key: SessionKey,
+    pub sender: mpsc::UnboundedSender<Data>,
+    pub printer: bool,
+}
+
 mod raii {
     // ALIVE_CONNS: all connections, including unauthorized connections
     // AUTHED_CONNS: all authorized connections
@@ -4127,11 +4237,23 @@ mod raii {
     pub struct AuthedConnID(i32, AuthConnType);
 
     impl AuthedConnID {
-        pub fn new(conn_id: i32, conn_type: AuthConnType, session_key: SessionKey) -> Self {
+        pub fn new(
-            AUTHED_CONNS
+            conn_id: i32,
-                .lock()
+            conn_type: AuthConnType,
-                .unwrap()
+            session_key: SessionKey,
-                .push((conn_id, conn_type, session_key));
+            sender: mpsc::UnboundedSender<Data>,
+            lr: LoginRequest,
+        ) -> Self {
+            let printer = conn_type == crate::server::AuthConnType::Remote
+                && crate::is_support_remote_print(&lr.version)
+                && lr.my_platform == whoami::Platform::Windows.to_string();
+            AUTHED_CONNS.lock().unwrap().push(AuthedConn {
+                conn_id,
+                conn_type,
+                session_key,
+                sender,
+                printer,
+            });
             Self::check_wake_lock();
             use std::sync::Once;
             static _ONCE: Once = Once::new();
@@ -4153,7 +4275,7 @@ mod raii {
                 .lock()
                 .unwrap()
                 .iter()
-                .filter(|c| c.1 == AuthConnType::Remote)
+                .filter(|c| c.conn_type == AuthConnType::Remote)
                 .count();
             allow_err!(WAKELOCK_SENDER
                 .lock()
@@ -4166,7 +4288,7 @@ mod raii {
                 .lock()
                 .unwrap()
                 .iter()
-                .filter(|c| c.1 != AuthConnType::PortForward)
+                .filter(|c| c.conn_type != AuthConnType::PortForward)
                 .count()
         }
 
@@ -4179,16 +4301,16 @@ mod raii {
                     .lock()
                     .unwrap()
                     .iter()
-                    .any(|c| c.0 == conn_id && c.1 == AuthConnType::Remote);
+                    .any(|c| c.conn_id == conn_id && c.conn_type == AuthConnType::Remote);
                 // If there are 2 connections with the same peer_id and session_id, a remote connection and a file transfer or port forward connection,
                 // If any of the connections is closed allowing retry, this will not be called;
                 // If the file transfer/port forward connection is closed with no retry, the session should be kept for remote control menu action;
                 // If the remote connection is closed with no retry, keep the session is not reasonable in case there is a retry button in the remote side, and ignore network fluctuations.
-                let another_remote = AUTHED_CONNS
+                let another_remote = AUTHED_CONNS.lock().unwrap().iter().any(|c| {
-                    .lock()
+                    c.conn_id != conn_id
-                    .unwrap()
+                        && c.session_key == key
-                    .iter()
+                        && c.conn_type == AuthConnType::Remote
-                    .any(|c| c.0 != conn_id && c.2 == key && c.1 == AuthConnType::Remote);
+                });
                 if is_remote || !another_remote {
                     lock.remove(&key);
                     log::info!("remove session");
@@ -4256,12 +4378,12 @@ mod raii {
                     .unwrap()
                     .on_connection_close(self.0);
             }
-            AUTHED_CONNS.lock().unwrap().retain(|c| c.0 != self.0);
+            AUTHED_CONNS.lock().unwrap().retain(|c| c.conn_id != self.0);
             let remote_count = AUTHED_CONNS
                 .lock()
                 .unwrap()
                 .iter()
-                .filter(|c| c.1 == AuthConnType::Remote)
+                .filter(|c| c.conn_type == AuthConnType::Remote)
                 .count();
             if remote_count == 0 {
                 #[cfg(any(target_os = "windows", target_os = "linux"))]

src/server/input_service.rs

@@ -505,7 +505,7 @@ pub fn try_stop_record_cursor_pos() {
         .lock()
         .unwrap()
         .iter()
-        .filter(|c| c.1 == AuthConnType::Remote)
+        .filter(|c| c.conn_type == AuthConnType::Remote)
         .count();
     if remote_count > 0 {
         return;

src/server/portable_service.rs

@@ -812,7 +812,7 @@ pub mod client {
                                                                         .lock()
                                                                         .unwrap()
                                                                         .iter()
-                                                                        .filter(|c| c.1 == crate::server::AuthConnType::Remote)
+                                                                        .filter(|c| c.conn_type == crate::server::AuthConnType::Remote)
                                                                         .count();
                                                                     stream.send(&Data::DataPortableService(ConnCount(Some(remote_count)))).await.ok();
                                                                 }

src/server/printer_service.rs

@@ -0,0 +1,163 @@
+use super::service::{EmptyExtraFieldService, GenericService, Service};
+use hbb_common::{bail, dlopen::symbor::Library, log, ResultType};
+use std::{
+    sync::{Arc, Mutex},
+    thread,
+    time::Duration,
+};
+
+pub const NAME: &'static str = "remote-printer";
+
+const LIB_NAME_PRINTER_DRIVER_ADAPTER: &str = "printer_driver_adapter";
+
+// Return 0 if success, otherwise return error code.
+pub type Init = fn(tag_name: *const i8) -> i32;
+pub type Uninit = fn();
+// dur_mills: Get the file generated in the last `dur_mills` milliseconds.
+// data: The raw prn data, xps format.
+// data_len: The length of the raw prn data.
+pub type GetPrnData = fn(dur_mills: u32, data: *mut *mut i8, data_len: *mut u32);
+
+macro_rules! make_lib_wrapper {
+    ($($field:ident : $tp:ty),+) => {
+        struct LibWrapper {
+            _lib: Option<Library>,
+            $($field: Option<$tp>),+
+        }
+
+        impl LibWrapper {
+            fn new() -> Self {
+                let lib_name = match get_lib_name() {
+                    Ok(name) => name,
+                    Err(e) => {
+                        log::warn!("Failed to get lib name, {}", e);
+                        return Self {
+                            _lib: None,
+                            $( $field: None ),+
+                        };
+                    }
+                };
+                let lib = match Library::open(&lib_name) {
+                    Ok(lib) => Some(lib),
+                    Err(e) => {
+                        log::warn!("Failed to load library {}, {}", &lib_name, e);
+                        None
+                    }
+                };
+
+                $(let $field = if let Some(lib) = &lib {
+                    match unsafe { lib.symbol::<$tp>(stringify!($field)) } {
+                        Ok(m) => {
+                            log::info!("method found {}", stringify!($field));
+                            Some(*m)
+                        },
+                        Err(e) => {
+                            log::warn!("Failed to load func {}, {}", stringify!($field), e);
+                            None
+                        }
+                    }
+                } else {
+                    None
+                };)+
+
+                Self {
+                    _lib: lib,
+                    $( $field ),+
+                }
+            }
+        }
+
+        impl Default for LibWrapper {
+            fn default() -> Self {
+                Self::new()
+            }
+        }
+    }
+}
+
+make_lib_wrapper!(
+    init: Init,
+    uninit: Uninit,
+    get_prn_data: GetPrnData
+);
+
+lazy_static::lazy_static! {
+    static ref LIB_WRAPPER: Arc<Mutex<LibWrapper>> = Default::default();
+}
+
+fn get_lib_name() -> ResultType<String> {
+    let exe_file = std::env::current_exe()?;
+    if let Some(cur_dir) = exe_file.parent() {
+        let dll_name = format!("{}.dll", LIB_NAME_PRINTER_DRIVER_ADAPTER);
+        let full_path = cur_dir.join(dll_name);
+        if !full_path.exists() {
+            bail!("{} not found", full_path.to_string_lossy().as_ref());
+        } else {
+            Ok(full_path.to_string_lossy().into_owned())
+        }
+    } else {
+        bail!(
+            "Invalid exe parent for {}",
+            exe_file.to_string_lossy().as_ref()
+        );
+    }
+}
+
+pub fn init(app_name: &str) -> ResultType<()> {
+    let lib_wrapper = LIB_WRAPPER.lock().unwrap();
+    let Some(fn_init) = lib_wrapper.init.as_ref() else {
+        bail!("Failed to load func init");
+    };
+
+    let tag_name = std::ffi::CString::new(app_name)?;
+    let ret = fn_init(tag_name.as_ptr());
+    if ret != 0 {
+        bail!("Failed to init printer driver");
+    }
+    Ok(())
+}
+
+pub fn uninit() {
+    let lib_wrapper = LIB_WRAPPER.lock().unwrap();
+    if let Some(fn_uninit) = lib_wrapper.uninit.as_ref() {
+        fn_uninit();
+    }
+}
+
+fn get_prn_data(dur_mills: u32) -> ResultType<Vec<u8>> {
+    let lib_wrapper = LIB_WRAPPER.lock().unwrap();
+    if let Some(fn_get_prn_data) = lib_wrapper.get_prn_data.as_ref() {
+        let mut data = std::ptr::null_mut();
+        let mut data_len = 0u32;
+        fn_get_prn_data(dur_mills, &mut data, &mut data_len);
+        if data.is_null() || data_len == 0 {
+            return Ok(Vec::new());
+        }
+        let bytes =
+            Vec::from(unsafe { std::slice::from_raw_parts(data as *const u8, data_len as usize) });
+        unsafe {
+            hbb_common::libc::free(data as *mut std::ffi::c_void);
+        }
+        Ok(bytes)
+    } else {
+        bail!("Failed to load func get_prn_file");
+    }
+}
+
+pub fn new(name: String) -> GenericService {
+    let svc = EmptyExtraFieldService::new(name, false);
+    GenericService::run(&svc.clone(), run);
+    svc.sp
+}
+
+fn run(sp: EmptyExtraFieldService) -> ResultType<()> {
+    while sp.ok() {
+        let bytes = get_prn_data(1000)?;
+        if !bytes.is_empty() {
+            log::info!("Got prn data, data len: {}", bytes.len());
+            crate::server::on_printer_data(bytes);
+        }
+        thread::sleep(Duration::from_millis(300));
+    }
+    Ok(())
+}

src/ui/file_transfer.tis

@@ -69,8 +69,6 @@ function getExt(name) {
   return "";
 }
 
-var jobIdCounter = 1;
-
 class JobTable: Reactor.Component {
   this var jobs = [];
   this var job_map = {};
@@ -126,8 +124,7 @@ class JobTable: Reactor.Component {
     }
     if (!to) return;
     to += handler.get_path_sep(!is_remote) + getFileName(is_remote, path);
-    var id = jobIdCounter;
+    var id = handler.get_next_job_id();
-    jobIdCounter += 1;
     this.jobs.push({ type: "transfer",
                      id: id, path: path, to: to,
                      include_hidden: show_hidden,
@@ -135,7 +132,7 @@ class JobTable: Reactor.Component {
                      is_last: false
                     });
     this.job_map[id] = this.jobs[this.jobs.length - 1];
-    handler.send_files(id, path, to, 0, show_hidden, is_remote);
+    handler.send_files(id, 0, path, to, 0, show_hidden, is_remote);
     var self = this;
     self.timer(30ms, function() { self.update(); });
   }
@@ -147,8 +144,8 @@ class JobTable: Reactor.Component {
     is_remote: is_remote, is_last: true, file_num: file_num };
     this.jobs.push(job);
     this.job_map[id] = this.jobs[this.jobs.length - 1];
-    jobIdCounter = id + 1;
+    handler.update_next_job_id(id + 1);
-    handler.add_job(id, path, to, file_num, show_hidden, is_remote);
+    handler.add_job(id, 0, path, to, file_num, show_hidden, is_remote);
     stdout.println(JSON.stringify(job));
   }
 
@@ -162,16 +159,14 @@ class JobTable: Reactor.Component {
   }
 
   function addDelDir(path, is_remote) {
-    var id = jobIdCounter;
+    var id = handler.get_next_job_id();
-    jobIdCounter += 1;
     this.jobs.push({ type: "del-dir", id: id, path: path, is_remote: is_remote });
     this.job_map[id] = this.jobs[this.jobs.length - 1];
     this.update();
   }
 
   function addDelFile(path, is_remote) {
-    var id = jobIdCounter;
+    var id = handler.get_next_job_id();
-    jobIdCounter += 1;
     this.jobs.push({ type: "del-file", id: id, path: path, is_remote: is_remote });
     this.job_map[id] = this.jobs[this.jobs.length - 1];
     this.update();
@@ -552,9 +547,9 @@ class FolderView : Reactor.Component {
             return;
           }
           var path = me.joinPath(name);
-           handler.create_dir(jobIdCounter, path, me.is_remote);
+           var id = handler.get_next_job_id();
-           create_dir_jobs[jobIdCounter] = { is_remote: me.is_remote, path: path };
+           handler.create_dir(id, path, me.is_remote);
-          jobIdCounter += 1;
+           create_dir_jobs[id] = { is_remote: me.is_remote, path: path };
         });
     }
 

src/ui/msgbox.tis

@@ -317,6 +317,9 @@ class MsgboxComponent: Reactor.Component {
         if (this.type == "multiple-sessions-nocancel") {
             values.sid = (this.$$(select))[0].value;
         }
+        if (this.type == "remote-printer-selector") {
+            values.name = (this.$$(select))[0].value;
+        }
         return values;
     }
     

src/ui/printer.tis

@@ -0,0 +1,41 @@
+include "sciter:reactor.tis";
+
+handler.printerRequest = function(id, path) {
+    show_printer_selector(id, path);
+};
+
+function show_printer_selector(id, path)
+{
+    var names = handler.get_printer_names();
+    msgbox("remote-printer-selector", "Incoming Print Job", <PrinterComponent names={names} />, "", function(res=null) {
+        if (res && res.name) {
+            handler.on_printer_selected(id, path, res.name);
+        }
+    }, 180);
+}
+
+class PrinterComponent extends Reactor.Component {
+    this var names = [];
+    this var jobTip = translate("print-incoming-job-confirm-tip");
+
+    function this(params) {
+        if (params && params.names) {
+            this.names = params.names;
+        }
+    }
+
+    function render() {
+        return <div>
+            <div>{translate("print-incoming-job-confirm-tip")}</div>
+            <div style="margin-top: 1em;" />
+            <div>
+                <select style="width: 450; margin: 1em 0; font-size: 1.15em;">
+                    {this.names.map(function(name) {
+                        return <option value={name}>{name}</option>;
+                    })}
+                </select>
+            </div>
+            <div style="margin-top: 1em;" />
+        </div>;
+    }
+}

src/ui/remote.html

@@ -15,6 +15,7 @@
             include "port_forward.tis";
             include "grid.tis";
             include "header.tis";
+            include "printer.tis";
         </script>
 </head>
 <header>

src/ui/remote.rs

@@ -379,6 +379,10 @@ impl InvokeUiSession for SciterHandler {
     fn update_record_status(&self, start: bool) {
         self.call("updateRecordStatus", &make_args!(start));
     }
+
+    fn printer_request(&self, id: i32, path: String) {
+        self.call("printerRequest", &make_args!(id, path));
+    }
 }
 
 pub struct SciterSession(Session<SciterHandler>);
@@ -491,6 +495,8 @@ impl sciter::EventHandler for SciterSession {
         fn get_chatbox();
         fn get_icon();
         fn get_home_dir();
+        fn get_next_job_id();
+        fn update_next_job_id(i32);
         fn read_dir(String, bool);
         fn remove_dir(i32, String, bool);
         fn create_dir(i32, String, bool);
@@ -502,8 +508,8 @@ impl sciter::EventHandler for SciterSession {
         fn confirm_delete_files(i32, i32);
         fn set_no_confirm(i32);
         fn cancel_job(i32);
-        fn send_files(i32, String, String, i32, bool, bool);
+        fn send_files(i32, i32, String, String, i32, bool, bool);
-        fn add_job(i32, String, String, i32, bool, bool);
+        fn add_job(i32, i32, String, String, i32, bool, bool);
         fn resume_job(i32, bool);
         fn get_platform(bool);
         fn get_path_sep(bool);
@@ -541,6 +547,8 @@ impl sciter::EventHandler for SciterSession {
         fn set_selected_windows_session_id(String);
         fn is_recording();
         fn has_file_clipboard();
+        fn get_printer_names();
+        fn on_printer_selected(i32, String, String);
     }
 }
 
@@ -842,6 +850,22 @@ impl SciterSession {
     fn version_cmp(&self, v1: String, v2: String) -> i32 {
         (hbb_common::get_version_number(&v1) - hbb_common::get_version_number(&v2)) as i32
     }
+
+    fn get_printer_names(&self) -> Value {
+        #[cfg(target_os = "windows")]
+        let printer_names = crate::platform::windows::get_printer_names().unwrap_or_default();
+        #[cfg(not(target_os = "windows"))]
+        let printer_names: Vec<String> = vec![];
+        let mut v = Value::array(0);
+        for name in printer_names {
+            v.push(name);
+        }
+        v
+    }
+
+    fn on_printer_selected(&self, id: i32, path: String, printer_name: String) {
+        self.printer_response(id, path, printer_name);
+    }
 }
 
 pub fn make_fd(id: i32, entries: &Vec<FileEntry>, only_count: bool) -> Value {

src/ui_cm_interface.rs

@@ -744,6 +744,8 @@ async fn handle_fs(
     tx: &UnboundedSender<Data>,
     tx_log: Option<&UnboundedSender<String>>,
 ) {
+    use std::path::PathBuf;
+
     use hbb_common::fs::serialize_transfer_job;
 
     match fs {
@@ -785,8 +787,9 @@ async fn handle_fs(
             // dummy remote, show_hidden, is_remote
             let mut job = fs::TransferJob::new_write(
                 id,
+                fs::JobType::Generic,
                 "".to_string(),
-                path,
+                fs::DataSource::FilePath(PathBuf::from(&path)),
                 file_num,
                 false,
                 false,
@@ -805,27 +808,24 @@ async fn handle_fs(
             write_jobs.push(job);
         }
         ipc::FS::CancelWrite { id } => {
-            if let Some(job) = fs::get_job(id, write_jobs) {
+            if let Some(job) = fs::remove_job(id, write_jobs) {
                 job.remove_download_file();
                 tx_log.map(|tx: &UnboundedSender<String>| {
-                    tx.send(serialize_transfer_job(job, false, true, ""))
+                    tx.send(serialize_transfer_job(&job, false, true, ""))
                 });
-                fs::remove_job(id, write_jobs);
             }
         }
         ipc::FS::WriteDone { id, file_num } => {
-            if let Some(job) = fs::get_job(id, write_jobs) {
+            if let Some(job) = fs::remove_job(id, write_jobs) {
                 job.modify_time();
                 send_raw(fs::new_done(id, file_num), tx);
-                tx_log.map(|tx| tx.send(serialize_transfer_job(job, true, false, "")));
+                tx_log.map(|tx| tx.send(serialize_transfer_job(&job, true, false, "")));
-                fs::remove_job(id, write_jobs);
             }
         }
         ipc::FS::WriteError { id, file_num, err } => {
-            if let Some(job) = fs::get_job(id, write_jobs) {
+            if let Some(job) = fs::remove_job(id, write_jobs) {
-                tx_log.map(|tx| tx.send(serialize_transfer_job(job, false, false, &err)));
+                tx_log.map(|tx| tx.send(serialize_transfer_job(&job, false, false, &err)));
                 send_raw(fs::new_error(job.id(), err, file_num), tx);
-                fs::remove_job(job.id(), write_jobs);
             }
         }
         ipc::FS::WriteBlock {
@@ -871,32 +871,34 @@ async fn handle_fs(
                     ..Default::default()
                 };
                 if let Some(file) = job.files().get(file_num as usize) {
-                    let path = get_string(&job.join(&file.name));
+                    if let fs::DataSource::FilePath(p) = &job.data_source {
-                    match is_write_need_confirmation(&path, &digest) {
+                        let path = get_string(&fs::TransferJob::join(p, &file.name));
-                        Ok(digest_result) => {
+                        match is_write_need_confirmation(&path, &digest) {
-                            match digest_result {
+                            Ok(digest_result) => {
-                                DigestCheckResult::IsSame => {
+                                match digest_result {
-                                    req.set_skip(true);
+                                    DigestCheckResult::IsSame => {
-                                    let msg_out = new_send_confirm(req);
+                                        req.set_skip(true);
-                                    send_raw(msg_out, &tx);
+                                        let msg_out = new_send_confirm(req);
-                                }
+                                        send_raw(msg_out, &tx);
-                                DigestCheckResult::NeedConfirm(mut digest) => {
+                                    }
-                                    // upload to server, but server has the same file, request
+                                    DigestCheckResult::NeedConfirm(mut digest) => {
-                                    digest.is_upload = is_upload;
+                                        // upload to server, but server has the same file, request
-                                    let mut msg_out = Message::new();
+                                        digest.is_upload = is_upload;
-                                    let mut fr = FileResponse::new();
+                                        let mut msg_out = Message::new();
-                                    fr.set_digest(digest);
+                                        let mut fr = FileResponse::new();
-                                    msg_out.set_file_response(fr);
+                                        fr.set_digest(digest);
-                                    send_raw(msg_out, &tx);
+                                        msg_out.set_file_response(fr);
-                                }
+                                        send_raw(msg_out, &tx);
-                                DigestCheckResult::NoSuchFile => {
+                                    }
-                                    let msg_out = new_send_confirm(req);
+                                    DigestCheckResult::NoSuchFile => {
-                                    send_raw(msg_out, &tx);
+                                        let msg_out = new_send_confirm(req);
+                                        send_raw(msg_out, &tx);
+                                    }
                                 }
                             }
-                        }
+                            Err(err) => {
-                        Err(err) => {
+                                send_raw(fs::new_error(id, err, file_num), &tx);
-                            send_raw(fs::new_error(id, err, file_num), &tx);
+                            }
                         }
                     }
                 }