Bump to 4.4.4

PR 17529.

.github/workflows/ci_macos.yaml

@@ -17,6 +17,7 @@ jobs:
             qt_version: "6.2.0"
 
     env:
+      boost_path: "${{ github.workspace }}/../boost"
       openssl_root: /usr/local/opt/openssl@1.1
 
     steps:
@@ -28,16 +29,26 @@ jobs:
           brew update > /dev/null
           brew install \
             cmake ninja \
-            boost openssl@1.1 zlib
+            openssl@1.1 zlib
 
       - name: Setup ccache
         uses: Chocobo1/setup-ccache-action@v1
         with:
           update_packager_index: false
 
+      - name: Install boost
+        run: |
+          curl \
+            -L \
+            -o "${{ runner.temp }}/boost.tar.bz2" \
+            "https://boostorg.jfrog.io/artifactory/main/release/1.77.0/source/boost_1_77_0.tar.bz2"
+          tar -xf "${{ runner.temp }}/boost.tar.bz2" -C "${{ github.workspace }}/.."
+          mv "${{ github.workspace }}/.."/boost_* "${{ env.boost_path }}"
+
       - name: Install Qt
         uses: jurplel/install-qt-action@v2
         with:
+          setup-python: false
           version: ${{ matrix.qt_version }}
 
       - name: Install libtorrent
@@ -54,6 +65,7 @@ jobs:
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DCMAKE_CXX_STANDARD=17 \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+            -DBOOST_ROOT="${{ env.boost_path }}" \
             -Ddeprecated-functions=OFF \
             -DOPENSSL_ROOT_DIR="${{ env.openssl_root }}"
           cmake --build build
@@ -68,6 +80,7 @@ jobs:
             -G "Ninja" \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+            -DBOOST_ROOT="${{ env.boost_path }}" \
             -DOPENSSL_ROOT_DIR="${{ env.openssl_root }}" \
             -DVERBOSE_CONFIGURE=ON \
             -D${{ matrix.qbt_gui }}
@@ -82,6 +95,7 @@ jobs:
             -G "Ninja" \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+            -DBOOST_ROOT="${{ env.boost_path }}" \
             -DOPENSSL_ROOT_DIR="${{ env.openssl_root }}" \
             -DQT6=ON \
             -DVERBOSE_CONFIGURE=ON \
@@ -91,7 +105,6 @@ jobs:
       - name: Prepare build artifacts
         run: |
           mkdir upload
-          mv build/qbittorrent*.app upload
           mkdir upload/cmake
           cp build/compile_commands.json upload/cmake
           mkdir upload/cmake/libtorrent
@@ -100,5 +113,5 @@ jobs:
       - name: Upload build artifacts
         uses: actions/upload-artifact@v2
         with:
-          name: qBittorrent-CI_macOS_${{ matrix.qbt_gui }}_libtorrent-${{ matrix.libt_version }}_Qt-${{ matrix.qt_version }}
+          name: build-info_macOS_${{ matrix.qbt_gui }}_libtorrent-${{ matrix.libt_version }}_Qt-${{ matrix.qt_version }}
           path: upload

Changelog

@@ -1,3 +1,64 @@
+Mon Aug 22 2022 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.4.4
+    - BUGFIX: Correctly handle data decompression with Qt 6.3 (brvphoenix)
+    - BUGFIX: Fix wrong file names displayed in tooltip (Chocobo1)
+    - BUGFIX: Fix incorrect "max outgoing port" setting (glassez)
+    - BUGFIX: Make working set limit available only on libtorrent 2.0.x builds (summer)
+    - BUGFIX: Try to recover missing tags (summer)
+    - RSS: Clear RSS parsing error after use (glassez)
+    - WEBAPI: Set HTTP method restriction on WebAPI actions (Chocobo1)
+    - WINDOWS: Work around application stuttering on Windows (Chocobo1)
+    - WINDOWS: NSIS: Update Portuguese, Italian, Korean, Latvian translations(Blackspirits, bovirus, Minseo Lee, Coool)
+    - LINUX: Improve D-Bus notifications handling (glassez)
+    - MACOS: Open destination folders on macOS in separate thread (Nick Korotysh)
+
+Tue May 24 2022 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.4.3.1
+    - BUGFIX: Fix broken translations (sledgehammer999)
+
+Sun May 22 2022 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.4.3
+    - BUGFIX: Correctly handle changing of temp save path (glassez)
+    - BUGFIX: Fix storage in SQLite (glassez)
+    - BUGFIX: Correctly apply content layout when "Skip hash check" is enabled (glassez)
+    - BUGFIX: Don't corrupt IDs of v2 torrents (glassez)
+    - BUGFIX: Reduce the number of hashing threads by default (improves hashing speed on HDDs) (summer)
+    - BUGFIX: Prevent the "update dialog" from blocking input on other windows (summer)
+    - BUGFIX: Add trackers in exported .torrent files (glassez)
+    - BUGFIX: Fix wrong GUI behavior in "Optional IP address to bind to" setting (Chocobo1)
+    - WEBUI: Fix WebUI crash due to missing tags from config (An0n)
+    - WEBUI: Show correct location path (Chocobo1)
+    - MACOS: Fix main window freezing after opening a files dialog (glassez)
+
+Tue Mar 22 2022 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.4.2
+    - FEATURE: Allow to limit max memory working set size (glassez)
+    - BUGFIX: Fix UI crash when torrent is in a non-existent category (Kevin Cox)
+    - BUGFIX: Correctly handle changing of global save paths (glassez)
+    - BUGFIX: Disable performance alert (Chocobo1)
+    - BUGFIX: Prevent loading resume data with inconsistent ID (glassez)
+    - BUGFIX: Properly handle metadata download for an existing torrent (glassez)
+    - BUGFIX: Prevent crash when open torrent destination folder (glassez)
+    - WINDOWS: NSIS: Update Spanish, Spanish International and French translations(Juanjo Jiménez, RqndomHax)
+
+Tue Feb 15 2022 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.4.1
+    - FEATURE: Restore all torrent settings to the torrent's main context menu (thalieht)
+    - FEATURE: Add confirmation for enabling Auto TMM from context menu (thalieht)
+    - FEATURE: Add tooltip to Automatic Torrent Management context menu action (thalieht)
+    - FEATURE: Add Select All/None buttons in new torrent dialog (thalieht)
+    - BUGFIX: Keep "torrent info" alive while generate .torrent file (glassez)
+    - BUGFIX: Correctly handle Auto TMM in Torrent Files Watcher (glassez)
+    - BUGFIX: Correctly track the root folder name change (glassez)
+    - BUGFIX: Various fixes to the moving torrent code (glassez)
+    - BUGFIX: Update the torrent's download path field when changing category (thalieht)
+    - BUGFIX: Correctly handle received metadata (glassez)
+    - BUGFIX: Store hybrid torrents using legacy filenames (glassez)
+    - BUGFIX: Open correct directory when clicked on Browse button (glassez)
+    - BUGFIX: Fix crash when shutting down and clicing on system tray icon (Chocobo1)
+    - BUGFIX: Fix "Free space on disk" in new torrent dialog (thalieht)
+    - BUGFIX: Optimize completed files handling (Prince Gupta)
+    - BUGFIX: Migrate proxy settings (sledgehammer999)
+    - BUGFIX: Try to recover missing categories (glassez)
+    - WEBUI: WebAPI: fix wrong key used for categories (Chocobo1)
+    - WEBUI: Remove hack for outdated IE 6 browser (Chocobo1)
+    - RSS: Correctly handle XML parsing errors (glassez)
+
 Thu Jan 06 2022 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.4.0
     - FEATURE: Support for v2 torrents along with libtorrent 2.0.x support (glassez, Chocobo1)
     - FEATURE: Support for Qt6 (glassez)

INSTALL

@@ -11,7 +11,7 @@ qBittorrent - A BitTorrent client in C++ / Qt
 
   - OpenSSL >= 1.1.1
 
-  - Qt 5.15.2 - 5.x
+  - Qt 5.15.2 - 5.x || 6.2.0 - 6.x
 
   - zlib >= 1.2.11
 

cmake/Modules/FindQtTranslations.cmake

@@ -0,0 +1,25 @@
+# Return Qt translations files as list of paths
+# It will return .qm files of qt/qtbase that aren't stub files.
+# Requires that Qt has been found first because it depends on qmake being available
+
+function(qbt_get_qt_translations qt_translations)
+    get_target_property(QT_QMAKE_EXECUTABLE Qt::qmake IMPORTED_LOCATION)
+    execute_process(COMMAND "${QT_QMAKE_EXECUTABLE}" -query QT_INSTALL_TRANSLATIONS
+                    OUTPUT_VARIABLE QT_TRANSLATIONS_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    FILE(GLOB QT_TEMP_TRANSLATIONS CONFIGURE_DEPENDS
+        "${QT_TRANSLATIONS_DIR}/qt_??.qm"
+        "${QT_TRANSLATIONS_DIR}/qt_??_??.qm"
+        "${QT_TRANSLATIONS_DIR}/qtbase_??.qm"
+        "${QT_TRANSLATIONS_DIR}/qtbase_??_??.qm")
+
+    foreach(TRANSLATION ${QT_TEMP_TRANSLATIONS})
+        FILE(SIZE "${TRANSLATION}" translation_size)
+        # Consider files less than 10KB as stub translations
+        if (translation_size GREATER_EQUAL 10240)
+            list(APPEND QT_FINAL_TRANSLATIONS "${TRANSLATION}")
+        endif()
+    endforeach()
+
+    SET(${qt_translations} ${QT_FINAL_TRANSLATIONS} PARENT_SCOPE)
+endfunction()

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for qbittorrent v4.4.0alpha.
+# Generated by GNU Autoconf 2.71 for qbittorrent v4.4.4.
 #
 # Report bugs to <bugs.qbittorrent.org>.
 #
@@ -611,8 +611,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='qbittorrent'
 PACKAGE_TARNAME='qbittorrent'
-PACKAGE_VERSION='v4.4.0alpha'
-PACKAGE_STRING='qbittorrent v4.4.0alpha'
+PACKAGE_VERSION='v4.4.4'
+PACKAGE_STRING='qbittorrent v4.4.4'
 PACKAGE_BUGREPORT='bugs.qbittorrent.org'
 PACKAGE_URL='https://www.qbittorrent.org/'
 
@@ -1329,7 +1329,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures qbittorrent v4.4.0alpha to adapt to many kinds of systems.
+\`configure' configures qbittorrent v4.4.4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1400,7 +1400,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of qbittorrent v4.4.0alpha:";;
+     short | recursive ) echo "Configuration of qbittorrent v4.4.4:";;
    esac
   cat <<\_ACEOF
 
@@ -1533,7 +1533,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-qbittorrent configure v4.4.0alpha
+qbittorrent configure v4.4.4
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1648,7 +1648,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by qbittorrent $as_me v4.4.0alpha, which was
+It was created by qbittorrent $as_me v4.4.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -4779,7 +4779,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='qbittorrent'
- VERSION='v4.4.0alpha'
+ VERSION='v4.4.4'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -7254,7 +7254,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by qbittorrent $as_me v4.4.0alpha, which was
+This file was extended by qbittorrent $as_me v4.4.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7314,7 +7314,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-qbittorrent config.status v4.4.0alpha
+qbittorrent config.status v4.4.4
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,5 +1,4 @@
-
-AC_INIT([qbittorrent], [v4.4.0alpha], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
+AC_INIT([qbittorrent], [v4.4.4], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 : ${CFLAGS=""}

dist/mac/Info.plist

@@ -55,7 +55,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.4.0</string>
+	<string>4.4.4</string>
 	<key>CFBundleExecutable</key>
 	<string>${EXECUTABLE_NAME}</string>
 	<key>CFBundleIdentifier</key>

dist/unix/org.qbittorrent.qBittorrent.appdata.xml

@@ -74,6 +74,6 @@
   <url type="translate">https://github.com/qbittorrent/qBittorrent/wiki/How-to-translate-qBittorrent</url>
   <content_rating type="oars-1.1"/>
   <releases>
-    <release version="4.4.0" date="2020-10-18"/>
+    <release version="4.4.4" date="2022-08-22"/>
   </releases>
 </component>

dist/unix/org.qbittorrent.qBittorrent.desktop

@@ -106,7 +106,7 @@ Name[ja]=qBittorrent
 Comment[ka]=ჩამოტვირთე და გააზიარე ფაილები Bittorrent-ის საშუალებით
 GenericName[ka]=BitTorrent კლიენტი
 Name[ka]=qBittorrent
-Comment[ko]=BitTorrent를 통해 파일 다운로드 및 공유
+Comment[ko]=BitTorrent를 통한 파일 다운로드 및 공유
 GenericName[ko]=BitTorrent 클라이언트
 Name[ko]=qBittorrent
 Comment[lt]=Atsisiųskite bei dalinkitės failais BitTorrent tinkle
@@ -115,6 +115,8 @@ Name[lt]=qBittorrent
 Comment[mk]=Превземајте и споделувајте фајлови преку BitTorrent
 GenericName[mk]=BitTorrent клиент
 Name[mk]=qBittorrent
+Comment[my]=တောရန့်ဖြင့်ဖိုင်များဒေါင်းလုဒ်ဆွဲရန်နှင့်မျှဝေရန်
+GenericName[my]=တောရန့်စီမံခန့်ခွဲသည့်အရာ
 Name[my]=qBittorrent
 Comment[nb]=Last ned og del filer over BitTorrent
 GenericName[nb]=BitTorrent-klient

dist/windows/README.txt

@@ -38,10 +38,12 @@ installer-translations
 translations
 	qt_ar.qm
 	...
-        (all the .qm files found in the 'translations' folder of your Qt install. Those files differ between Qt4 and Qt5.
-	 If you want to distribute Qt4 translations it is better to use the ones found in this repo under the path "dist/qt-translations".
-	 They contain extra languages not distributed via the official qt4 sources.
-	 Don't forget to edit the filelist in installer.nsi + uninstaller.nsi to include all your .qm files.)
+    (All the .qm files found in the 'translations' folder of your Qt install. Those files differ between Qt5 and Qt6.
+     You will need the files that conform to this globbing expression 'qt_??.qm qt_??_??.qm qtbase_??.qm qtbase_??_??.qm'.
+     Some of those files will be stubs. Filter any file that is smaller than 10KB in size.
+     Alternatively you can use the 'gather_qt_translations.py' script found in the same folder as this file.
+     Run it with '--help' to see its usage.
+     **YOU MUST** edit the list of .qm files in the 'installer.nsi' to match whatever files are in the 'translations' subfolder.)
 	qt_zh_TW.qm
 installer.nsi
 license.txt

dist/windows/gather_qt_translations.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+import argparse
+import glob
+import os
+import shutil
+import sys
+from typing import List
+
+def isNotStub(path: str) -> bool:
+    return (os.path.getsize(path) >= (10 * 1024))
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description='Gather valid Qt translations for NSIS packaging.')
+    parser.add_argument("qt_translations_folder", help="Qt's translations folder")
+    parser.add_argument("nsis_packaging_folder", help="NSIS packaging translations folder")
+    args = parser.parse_args()
+
+    tmp_translations: List[str] = glob.glob(f'{args.qt_translations_folder}/qt_??.qm')
+    tmp_translations += glob.glob(f'{args.qt_translations_folder}/qt_??_??.qm')
+    tmp_translations += glob.glob(f'{args.qt_translations_folder}/qtbase_??.qm')
+    tmp_translations += glob.glob(f'{args.qt_translations_folder}qtbase_??_??.qm')
+
+    filtered = filter(isNotStub, tmp_translations)
+    for file in filtered:
+        shutil.copy2(file, args.nsis_packaging_folder)
+
+    return 0
+
+if __name__ == '__main__':
+    sys.exit(main())

dist/windows/installer-translations/french.nsi

@@ -3,27 +3,27 @@
 ;LangString inst_qbt_req ${LANG_ENGLISH} "qBittorrent (required)"
 LangString inst_qbt_req ${LANG_FRENCH} "qBittorrent (requis)"
 ;LangString inst_dekstop ${LANG_ENGLISH} "Create Desktop Shortcut"
-LangString inst_dekstop ${LANG_FRENCH} "Créer Raccourci Bureau"
+LangString inst_dekstop ${LANG_FRENCH} "Créer un Raccourci sur le Bureau"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
-LangString inst_startmenu ${LANG_FRENCH} "Créer Raccourci dans le Menu Démarrer"
+LangString inst_startmenu ${LANG_FRENCH} "Créer un Raccourci dans le Menu Démarrer"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
 LangString inst_startup ${LANG_FRENCH} "Démarrez qBittorrent au démarrage de Windows"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
-LangString inst_torrent ${LANG_FRENCH} "Ouvrir fichiers .torrent avec qBittorrent"
+LangString inst_torrent ${LANG_FRENCH} "Ouvrir les fichiers .torrent avec qBittorrent"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
-LangString inst_magnet ${LANG_FRENCH} "Ouvrir liens magnet avec qBittorrent"
+LangString inst_magnet ${LANG_FRENCH} "Ouvrir les liens magnet avec qBittorrent"
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
-LangString inst_firewall ${LANG_FRENCH} "Ajouter règle Pare-Feu Windows"
+LangString inst_firewall ${LANG_FRENCH} "Ajouter une règle au Pare-Feu de Windows"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_FRENCH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_FRENCH} "Désactiver la limite de taille du chemin de Windows (limitation de MAX_PATH 260 caractères, nécessite Windows 10 1607 ou plus)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
-LangString inst_firewallinfo ${LANG_FRENCH} "Ajout règle Pare-Feu Windows"
+LangString inst_firewallinfo ${LANG_FRENCH} "Ajout d'une règle au Pare-Feu de Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
 LangString inst_warning ${LANG_FRENCH} "qBittorrent est en cours d'exécution. Veuillez fermer l'application avant l'installation."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_FRENCH} "Une installation précédente a été détectée. Elle sera désinstallée sans supprimer les réglages utilisateur."
+LangString inst_uninstall_question ${LANG_FRENCH} "Une installation précédente a été détectée. Elle sera désinstallée en conservant les réglages utilisateur."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
-LangString inst_unist ${LANG_FRENCH} "Désinstallation de la version précédente."
+LangString inst_unist ${LANG_FRENCH} "Désinstallation de la version antérieure."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_FRENCH} "Lancer qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
@@ -31,27 +31,27 @@ LangString inst_requires_64bit ${LANG_FRENCH} "Cet installateur ne fonctionne qu
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
 LangString inst_requires_win7 ${LANG_FRENCH} "Cette version de qBittorrent nécessite au moins Windows 7."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
-LangString inst_uninstall_link_description ${LANG_FRENCH} "Uninstall qBittorrent"
+LangString inst_uninstall_link_description ${LANG_FRENCH} "Désinstaller qBittorrent"
 
 ;------------------------------------
 ;Uninstaller strings
 
 ;LangString remove_files ${LANG_ENGLISH} "Remove files"
-LangString remove_files ${LANG_FRENCH} "Supprimer fichiers"
+LangString remove_files ${LANG_FRENCH} "Supprimer les fichiers"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
-LangString remove_shortcuts ${LANG_FRENCH} "Supprimer raccourcis"
+LangString remove_shortcuts ${LANG_FRENCH} "Supprimer les raccourcis"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
-LangString remove_associations ${LANG_FRENCH} "Supprimer associations de fichiers"
+LangString remove_associations ${LANG_FRENCH} "Supprimer les associations de fichiers"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
-LangString remove_registry ${LANG_FRENCH} "Supprimer clés de registre"
+LangString remove_registry ${LANG_FRENCH} "Supprimer les clés de registre"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"
-LangString remove_conf ${LANG_FRENCH} "Supprimer fichiers de configuration"
+LangString remove_conf ${LANG_FRENCH} "Supprimer les fichiers de configuration"
 ;LangString remove_firewall ${LANG_ENGLISH} "Remove Windows Firewall rule"
-LangString remove_firewall ${LANG_FRENCH} "Supprimer règle Pare-Feu Windows"
+LangString remove_firewall ${LANG_FRENCH} "Supprimer la règle du Pare-Feu de Windows"
 ;LangString remove_firewallinfo ${LANG_ENGLISH} "Removing Windows Firewall rule"
-LangString remove_firewallinfo ${LANG_FRENCH} "Suppression règle Pare-Feu Windows"
+LangString remove_firewallinfo ${LANG_FRENCH} "Suppression de la règle du Pare-Feu de Windows"
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
-LangString remove_cache ${LANG_FRENCH} "Supprimer torrents et données cachées"
+LangString remove_cache ${LANG_FRENCH} "Supprimer les torrents et données cachées"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
 LangString uninst_warning ${LANG_FRENCH} "qBittorrent est en cours d'exécution. Veuillez fermer l'application avant la désinstallation."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"

dist/windows/installer-translations/italian.nsi

@@ -19,9 +19,9 @@ LangString inst_pathlimit ${LANG_ITALIAN} "Disabilita limite lunghezza percorsi
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
 LangString inst_firewallinfo ${LANG_ITALIAN} "Aggiunta regola al firewall di Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
-LangString inst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione. Chiudilo prima di procedere con l'installazione."
+LangString inst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione.$\r$\nChiudilo prima di procedere con l'installazione."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_ITALIAN} "La versione attuale verrà disinstallata. Le impostazioni utente e i torrent rimarranno invariati."
+LangString inst_uninstall_question ${LANG_ITALIAN} "La versione attuale verrà disinstallata.$\r$\nLe impostazioni utente e i torrent rimarranno invariati."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
 LangString inst_unist ${LANG_ITALIAN} "Disinstallazione versione precedente."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
@@ -53,8 +53,8 @@ LangString remove_firewallinfo ${LANG_ITALIAN} "Rimozione regola dal firewall di
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
 LangString remove_cache ${LANG_ITALIAN} "Rimuovi torrent e dati nella cache"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
-LangString uninst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione. Chiudilo prima di procedere con la disinstallazione."
+LangString uninst_warning ${LANG_ITALIAN} "qBittorrent è in esecuzione.$\r$\nChiudilo prima di procedere con la disinstallazione."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
-LangString uninst_tor_warn ${LANG_ITALIAN} "Associazione file .torrent non rimossa. File associati con:"
+LangString uninst_tor_warn ${LANG_ITALIAN} "Associazione file .torrent non rimossa.$\r$\nFile associati con:"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"
-LangString uninst_mag_warn ${LANG_ITALIAN} "Associazione file magnet non rimossa. File associati con:"
+LangString uninst_mag_warn ${LANG_ITALIAN} "Associazione file magnet non rimossa.$\r$\nFile associati con:"

dist/windows/installer-translations/korean.nsi

@@ -1,11 +1,11 @@
 ;Installer strings
 
 ;LangString inst_qbt_req ${LANG_ENGLISH} "qBittorrent (required)"
-LangString inst_qbt_req ${LANG_KOREAN} "qBittorrent (필요함)"
+LangString inst_qbt_req ${LANG_KOREAN} "qBittorrent (필요)"
 ;LangString inst_dekstop ${LANG_ENGLISH} "Create Desktop Shortcut"
-LangString inst_dekstop ${LANG_KOREAN} "바탕화면 바로가기 만들기"
+LangString inst_dekstop ${LANG_KOREAN} "바탕화면 바로 가기 만들기"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
-LangString inst_startmenu ${LANG_KOREAN} "시작 메뉴 바로가기 만들기"
+LangString inst_startmenu ${LANG_KOREAN} "시작 메뉴 바로 가기 만들기"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
 LangString inst_startup ${LANG_KOREAN} "Windows 시작 시 qBittorrent 시작"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
@@ -15,23 +15,23 @@ LangString inst_magnet ${LANG_KOREAN} "qBittorrent로 자석 링크 열기"
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_KOREAN} "Windows 방화벽 규칙 추가"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_KOREAN} "Windows 경로 길이 제한 비활성화(260자 MAX_PATH 제한, Windows 10 1607 이상 필요)"
+LangString inst_pathlimit ${LANG_KOREAN} "Windows 경로 길이 제한 비활성화 (260자 MAX_PATH 제한, Windows 10 1607 이상 필요)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
 LangString inst_firewallinfo ${LANG_KOREAN} "Windows 방화벽 규칙 추가하는 중"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
 LangString inst_warning ${LANG_KOREAN} "qBittorrent가 실행 중입니다. 설치하기 전에 응용 프로그램을 닫으십시오."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_KOREAN} "현재 버전이 삭제됩니다. 사용자 설정과 토렌트는 그대로 유지됩니다."
+LangString inst_uninstall_question ${LANG_KOREAN} "현재 버전이 제거됩니다. 사용자 설정과 토렌트는 그대로 유지됩니다."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
-LangString inst_unist ${LANG_KOREAN} "이전 버전을 삭제하는 중입니다."
+LangString inst_unist ${LANG_KOREAN} "이전 버전을 제거하는 중입니다."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_KOREAN} "qBittorrent를 실행합니다."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
-LangString inst_requires_64bit ${LANG_KOREAN} "이 설치 프로그램은 64비트 윈도우즈 버전에서만 작동합니다."
+LangString inst_requires_64bit ${LANG_KOREAN} "이 설치 프로그램은 64비트 Windows 버전에서만 작동합니다."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
 LangString inst_requires_win7 ${LANG_KOREAN} "이 qBittorrent 버전에는 Windows 7 이상이 필요합니다."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
-LangString inst_uninstall_link_description ${LANG_KOREAN} "qBittorrent 삭제"
+LangString inst_uninstall_link_description ${LANG_KOREAN} "qBittorrent 제거"
 
 ;------------------------------------
 ;Uninstaller strings
@@ -39,7 +39,7 @@ LangString inst_uninstall_link_description ${LANG_KOREAN} "qBittorrent 삭제"
 ;LangString remove_files ${LANG_ENGLISH} "Remove files"
 LangString remove_files ${LANG_KOREAN} "파일 제거"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
-LangString remove_shortcuts ${LANG_KOREAN} "바로가기 제거"
+LangString remove_shortcuts ${LANG_KOREAN} "바로 가기 제거"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
 LangString remove_associations ${LANG_KOREAN} "파일 연결 제거"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"

dist/windows/installer-translations/latvian.nsi

@@ -1,60 +1,60 @@
 ;Installer strings
 
 ;LangString inst_qbt_req ${LANG_ENGLISH} "qBittorrent (required)"
-LangString inst_qbt_req ${LANG_LATVIAN} "qBittorrent (required)"
+LangString inst_qbt_req ${LANG_LATVIAN} "qBittorrent (nepieciešams)"
 ;LangString inst_dekstop ${LANG_ENGLISH} "Create Desktop Shortcut"
-LangString inst_dekstop ${LANG_LATVIAN} "Create Desktop Shortcut"
+LangString inst_dekstop ${LANG_LATVIAN} "Izveidot saīsni uz darbvirsmas"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
-LangString inst_startmenu ${LANG_LATVIAN} "Create Start Menu Shortcut"
+LangString inst_startmenu ${LANG_LATVIAN} "Izveidot izvēlnes Sākt saīsnes"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
-LangString inst_startup ${LANG_LATVIAN} "Start qBittorrent on Windows start up"
+LangString inst_startup ${LANG_LATVIAN} "Startēt qBittorrent Windows startēšanas laikā"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
-LangString inst_torrent ${LANG_LATVIAN} "Open .torrent files with qBittorrent"
+LangString inst_torrent ${LANG_LATVIAN} "Atvērt .torrent failus ar qBittorrent"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
-LangString inst_magnet ${LANG_LATVIAN} "Open magnet links with qBittorrent"
+LangString inst_magnet ${LANG_LATVIAN} "Atvērt magnētu saites ar qBittorrent"
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
-LangString inst_firewall ${LANG_LATVIAN} "Add Windows Firewall rule"
+LangString inst_firewall ${LANG_LATVIAN} "Pievienot Windows ugunsmūra noteikumu"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_LATVIAN} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_LATVIAN} "Atspējot Windows ceļa garuma ierobežojumu (260 rakstzīmju MAX_PATH ierobežojums, nepieciešams Windows 10 1607 vai jaunāka versija)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
-LangString inst_firewallinfo ${LANG_LATVIAN} "Adding Windows Firewall rule"
+LangString inst_firewallinfo ${LANG_LATVIAN} "Windows ugunsmūra noteikumu pievienošana"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
-LangString inst_warning ${LANG_LATVIAN} "qBittorrent is running. Please close the application before installing."
+LangString inst_warning ${LANG_LATVIAN} "qBittorrent darbojas. Lūdzu, aizveriet programmu pirms instalēšanas."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_LATVIAN} "Current version will be uninstalled. User settings and torrents will remain intact."
+LangString inst_uninstall_question ${LANG_LATVIAN} "Pašreizējā versija tiks atinstalēta. Lietotāju iestatījumi un torrenti paliks neskarti."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
-LangString inst_unist ${LANG_LATVIAN} "Uninstalling previous version."
+LangString inst_unist ${LANG_LATVIAN} "Iepriekšējās versijas atinstalēšana."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
-LangString launch_qbt ${LANG_LATVIAN} "Launch qBittorrent."
+LangString launch_qbt ${LANG_LATVIAN} "Palaist qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
-LangString inst_requires_64bit ${LANG_LATVIAN} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_LATVIAN} "Šī instalēšanas programma darbojas tikai 64 bitu Windows versijās."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
-LangString inst_requires_win7 ${LANG_LATVIAN} "This qBittorrent version requires at least Windows 7."
+LangString inst_requires_win7 ${LANG_LATVIAN} "Šai qBittorrent versijai ir nepieciešama vismaz Windows 7."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
-LangString inst_uninstall_link_description ${LANG_LATVIAN} "Uninstall qBittorrent"
+LangString inst_uninstall_link_description ${LANG_LATVIAN} "Atinstalēt qBittorrent"
 
 ;------------------------------------
 ;Uninstaller strings
 
 ;LangString remove_files ${LANG_ENGLISH} "Remove files"
-LangString remove_files ${LANG_LATVIAN} "Remove files"
+LangString remove_files ${LANG_LATVIAN} "Dzēš failus"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
-LangString remove_shortcuts ${LANG_LATVIAN} "Remove shortcuts"
+LangString remove_shortcuts ${LANG_LATVIAN} "Dzēš saīsnes"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
-LangString remove_associations ${LANG_LATVIAN} "Remove file associations"
+LangString remove_associations ${LANG_LATVIAN} "Noņem failu asociācijas"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
-LangString remove_registry ${LANG_LATVIAN} "Remove registry keys"
+LangString remove_registry ${LANG_LATVIAN} "Dzēš reģistra atslēgas"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"
-LangString remove_conf ${LANG_LATVIAN} "Remove configuration files"
+LangString remove_conf ${LANG_LATVIAN} "Dzēš konfigurācijas failus"
 ;LangString remove_firewall ${LANG_ENGLISH} "Remove Windows Firewall rule"
-LangString remove_firewall ${LANG_LATVIAN} "Remove Windows Firewall rule"
+LangString remove_firewall ${LANG_LATVIAN} "Dzēst Windows ugunsmūra noteikumu"
 ;LangString remove_firewallinfo ${LANG_ENGLISH} "Removing Windows Firewall rule"
-LangString remove_firewallinfo ${LANG_LATVIAN} "Removing Windows Firewall rule"
+LangString remove_firewallinfo ${LANG_LATVIAN} "Dzēš Windows ugunsmūra noteikumu"
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
-LangString remove_cache ${LANG_LATVIAN} "Remove torrents and cached data"
+LangString remove_cache ${LANG_LATVIAN} "Dzēš torrentus un kešatmiņas datus"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
-LangString uninst_warning ${LANG_LATVIAN} "qBittorrent is running. Please close the application before uninstalling."
+LangString uninst_warning ${LANG_LATVIAN} "qBittorrent darbojas. Lūdzu, aizveriet programmu pirms atinstalēšanas."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
-LangString uninst_tor_warn ${LANG_LATVIAN} "Not removing .torrent association. It is associated with:"
+LangString uninst_tor_warn ${LANG_LATVIAN} "Netiek dzēsta .torrent asociācija. Tā ir saistīta ar:"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"
-LangString uninst_mag_warn ${LANG_LATVIAN} "Not removing magnet association. It is associated with:"
+LangString uninst_mag_warn ${LANG_LATVIAN} "Netiek dzēsta magnēta asociācija. Tā ir saistīta ar:"

dist/windows/installer-translations/portuguese.nsi

@@ -15,23 +15,23 @@ LangString inst_magnet ${LANG_PORTUGUESE} "Abrir ligações magnet com o qBittor
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_PORTUGUESE} "Adicionar regra à firewall do Windows"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_PORTUGUESE} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_PORTUGUESE} "Desativar o limite do tamanho do caminho do Windows (limitação de MAX_PATH de 260 caracteres, requer o Windows 10 1607 ou superior)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
-LangString inst_firewallinfo ${LANG_PORTUGUESE} "Adicionando regra à firewall do Windows"
+LangString inst_firewallinfo ${LANG_PORTUGUESE} "A adicionar regra à firewall do Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
-LangString inst_warning ${LANG_PORTUGUESE} "O qBittorrent está a ser executado. Feche a aplicação antes de instalar esta versão."
+LangString inst_warning ${LANG_PORTUGUESE} "O qBittorrent está a ser executado. Por favor, feche a aplicação antes de instalar esta versão."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_PORTUGUESE} "Uma antiga instalação foi encontrada.Essa mesma será desinstalada sem apagar as definições do usuário."
+LangString inst_uninstall_question ${LANG_PORTUGUESE} "A versão atual será desinstalada. As definições do utilizador e os torrents permanecerão intactas."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
 LangString inst_unist ${LANG_PORTUGUESE} "A desinstalar versão anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_PORTUGUESE} "Iniciar qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
-LangString inst_requires_64bit ${LANG_PORTUGUESE} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_PORTUGUESE} "Este instalador funciona apenas em versões Windows de 64 bits."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
-LangString inst_requires_win7 ${LANG_PORTUGUESE} "This qBittorrent version requires at least Windows 7."
+LangString inst_requires_win7 ${LANG_PORTUGUESE} "Esta versão qBittorrent requer pelo menos o Windows 7."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
-LangString inst_uninstall_link_description ${LANG_PORTUGUESE} "Uninstall qBittorrent"
+LangString inst_uninstall_link_description ${LANG_PORTUGUESE} "Desinstalar qBittorrent"
 
 ;------------------------------------
 ;Uninstaller strings
@@ -41,7 +41,7 @@ LangString remove_files ${LANG_PORTUGUESE} "Remover ficheiros"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
 LangString remove_shortcuts ${LANG_PORTUGUESE} "Remover atalhos"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
-LangString remove_associations ${LANG_PORTUGUESE} "Remove associação de ficheiros"
+LangString remove_associations ${LANG_PORTUGUESE} "Remover associação de ficheiros"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
 LangString remove_registry ${LANG_PORTUGUESE} "Remover chaves de registo"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"
@@ -49,12 +49,12 @@ LangString remove_conf ${LANG_PORTUGUESE} "Remover ficheiros de configuração"
 ;LangString remove_firewall ${LANG_ENGLISH} "Remove Windows Firewall rule"
 LangString remove_firewall ${LANG_PORTUGUESE} "Remover regra da firewall do Windows"
 ;LangString remove_firewallinfo ${LANG_ENGLISH} "Removing Windows Firewall rule"
-LangString remove_firewallinfo ${LANG_PORTUGUESE} "Removendo regra da firewall do Windows"
+LangString remove_firewallinfo ${LANG_PORTUGUESE} "A remover regra da firewall do Windows"
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
 LangString remove_cache ${LANG_PORTUGUESE} "Remover torrents e dados guardados"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
-LangString uninst_warning ${LANG_PORTUGUESE} "O qBittorrent está a ser executado. Feche a aplicação antes de desinstalar esta versão."
+LangString uninst_warning ${LANG_PORTUGUESE} "O qBittorrent está a ser executado. Por favor, feche a aplicação antes de desinstalar esta versão."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
-LangString uninst_tor_warn ${LANG_PORTUGUESE} "Associação .torrent não removida. Ficheiros associados a:"
+LangString uninst_tor_warn ${LANG_PORTUGUESE} "Não pode remover a associação do .torrent. Está associado a:"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"
-LangString uninst_mag_warn ${LANG_PORTUGUESE} "Associação magnet nã removida. Ligações associadas a:"
+LangString uninst_mag_warn ${LANG_PORTUGUESE} "Não pode remover a associação do magnet. Está associado a:"

dist/windows/installer-translations/spanish.nsi

@@ -7,7 +7,7 @@ LangString inst_dekstop ${LANG_SPANISH} "Crear un acceso directo en el escritori
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
 LangString inst_startmenu ${LANG_SPANISH} "Crear un acceso directo en el menú inicio"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
-LangString inst_startup ${LANG_SPANISH} "Inicie qBittorrent en el inicio de Windows"
+LangString inst_startup ${LANG_SPANISH} "Iniciar qBittorrent en el inicio de Windows"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
 LangString inst_torrent ${LANG_SPANISH} "Abrir archivos .torrent con qBittorrent"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
@@ -15,7 +15,7 @@ LangString inst_magnet ${LANG_SPANISH} "Abrir enlaces magnet con qBittorrent"
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_SPANISH} "Añadir regla al Firewall de Windows"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_SPANISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_SPANISH} "Deshabilitar límite de caracteres del PATH de Windows (limitación MAX_PATH de 260 caracteres, requiere Windows 10 1607 o superior)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
 LangString inst_firewallinfo ${LANG_SPANISH} "Añadiendo regla al Firewall de Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
@@ -29,9 +29,9 @@ LangString launch_qbt ${LANG_SPANISH} "Iniciar qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
 LangString inst_requires_64bit ${LANG_SPANISH} "Este instalador solo funciona en versiones de 64-bit de Windows."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
-LangString inst_requires_win7 ${LANG_SPANISH} "This qBittorrent version requires at least Windows 7."
+LangString inst_requires_win7 ${LANG_SPANISH} "Esta versión de qBittorrent requiere Windows 7 o superior."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
-LangString inst_uninstall_link_description ${LANG_SPANISH} "Uninstall qBittorrent"
+LangString inst_uninstall_link_description ${LANG_SPANISH} "Desinstalar qBittorrent"
 
 ;------------------------------------
 ;Uninstaller strings
@@ -41,7 +41,7 @@ LangString remove_files ${LANG_SPANISH} "Quitar archivos"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
 LangString remove_shortcuts ${LANG_SPANISH} "Quitar accesos directos"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
-LangString remove_associations ${LANG_SPANISH} "Deshacer asociaciones"
+LangString remove_associations ${LANG_SPANISH} "Deshacer asociaciones de archivos"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
 LangString remove_registry ${LANG_SPANISH} "Eliminar claves del registro"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"

dist/windows/installer-translations/spanishinternational.nsi

@@ -7,7 +7,7 @@ LangString inst_dekstop ${LANG_SPANISHINTERNATIONAL} "Crear un acceso directo en
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
 LangString inst_startmenu ${LANG_SPANISHINTERNATIONAL} "Crear un acceso directo en el menú inicio"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
-LangString inst_startup ${LANG_SPANISHINTERNATIONAL} "Inicie qBittorrent en el inicio de Windows"
+LangString inst_startup ${LANG_SPANISHINTERNATIONAL} "Iniciar qBittorrent en el inicio de Windows"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
 LangString inst_torrent ${LANG_SPANISHINTERNATIONAL} "Abrir archivos .torrent con qBittorrent"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
@@ -15,7 +15,7 @@ LangString inst_magnet ${LANG_SPANISHINTERNATIONAL} "Abrir enlaces magnet con qB
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
 LangString inst_firewall ${LANG_SPANISHINTERNATIONAL} "Añadir regla al Firewall de Windows"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
-LangString inst_pathlimit ${LANG_SPANISHINTERNATIONAL} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
+LangString inst_pathlimit ${LANG_SPANISHINTERNATIONAL} "Deshabilitar límite de caracteres del PATH de Windows (limitación MAX_PATH de 260 caracteres, requiere Windows 10 1607 o superior)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
 LangString inst_firewallinfo ${LANG_SPANISHINTERNATIONAL} "Añadiendo regla al Firewall de Windows"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
@@ -29,9 +29,9 @@ LangString launch_qbt ${LANG_SPANISHINTERNATIONAL} "Iniciar qBittorrent."
 ;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
 LangString inst_requires_64bit ${LANG_SPANISHINTERNATIONAL} "Este instalador solo funciona en versiones de 64-bit de Windows."
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
-LangString inst_requires_win7 ${LANG_SPANISHINTERNATIONAL} "This qBittorrent version requires at least Windows 7."
+LangString inst_requires_win7 ${LANG_SPANISHINTERNATIONAL} "Esta versión de qBittorrent requiere Windows 7 o superior."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
-LangString inst_uninstall_link_description ${LANG_SPANISHINTERNATIONAL} "Uninstall qBittorrent"
+LangString inst_uninstall_link_description ${LANG_SPANISHINTERNATIONAL} "Desinstalar qBittorrent"
 
 ;------------------------------------
 ;Uninstaller strings
@@ -41,7 +41,7 @@ LangString remove_files ${LANG_SPANISHINTERNATIONAL} "Quitar archivos"
 ;LangString remove_shortcuts ${LANG_ENGLISH} "Remove shortcuts"
 LangString remove_shortcuts ${LANG_SPANISHINTERNATIONAL} "Quitar accesos directos"
 ;LangString remove_associations ${LANG_ENGLISH} "Remove file associations"
-LangString remove_associations ${LANG_SPANISHINTERNATIONAL} "Deshacer asociaciones"
+LangString remove_associations ${LANG_SPANISHINTERNATIONAL} "Deshacer asociaciones de archivos"
 ;LangString remove_registry ${LANG_ENGLISH} "Remove registry keys"
 LangString remove_registry ${LANG_SPANISHINTERNATIONAL} "Eliminar claves del registro"
 ;LangString remove_conf ${LANG_ENGLISH} "Remove configuration files"

dist/windows/options.nsi

@@ -28,7 +28,7 @@ XPStyle on
 !define CSIDL_LOCALAPPDATA '0x1C' ;Local Application Data path
 
 ; Program specific
-!define PROG_VERSION "4.4.0"
+!define PROG_VERSION "4.4.4"
 
 !define MUI_FINISHPAGE_RUN
 !define MUI_FINISHPAGE_RUN_FUNCTION PageFinishRun

macxconf.pri

@@ -7,13 +7,31 @@ else {
     include(conf.pri)
 }
 
+# Custom function
+# Return Qt translations files as list of paths
+# It will return .qm files of qt/qtbase that aren't stub files.
+defineReplace(qbt_get_qt_translations) {
+    # The $$[] syntax queries qmake properties
+    TMP_TRANSLATIONS = $$files($$[QT_INSTALL_TRANSLATIONS]/qt_??.qm)
+    TMP_TRANSLATIONS += $$files($$[QT_INSTALL_TRANSLATIONS]/qt_??_??.qm)
+    TMP_TRANSLATIONS += $$files($$[QT_INSTALL_TRANSLATIONS]/qtbase_??.qm)
+    TMP_TRANSLATIONS += $$files($$[QT_INSTALL_TRANSLATIONS]/qtbase_??_??.qm)
+
+   # Consider files less than 10KB as stub translations
+   for (TRANSLATION, TMP_TRANSLATIONS) {
+      TRANSLATION_SIZE = $$system("stat -f%z $${TRANSLATION}", true, EXIT_STATUS)
+      equals(EXIT_STATUS, 0):!lessThan(TRANSLATION_SIZE, 10240): FINAL_TRANSLATIONS += $${TRANSLATION}
+   }
+
+   return($$FINAL_TRANSLATIONS)
+}
+
 QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.14
 
 DEFINES += _DARWIN_FEATURE_64_BIT_INODE
 
 LIBS += -framework Carbon -framework IOKit -framework AppKit
 
-QT_LANG_PATH = ../dist/qt-translations
 DIST_PATH = ../dist/mac
 
 document_icon.path = Contents/Resources
@@ -25,15 +43,7 @@ qt_conf.files = $$DIST_PATH/qt.conf
 QMAKE_BUNDLE_DATA += qt_conf
 
 qt_translations.path = Contents/translations
-qt_translations.files = $$files($$QT_LANG_PATH/qtbase_*.qm)
-qt_translations.files += \
-    $$QT_LANG_PATH/qt_fa.qm \
-    $$QT_LANG_PATH/qt_gl.qm \
-    $$QT_LANG_PATH/qt_lt.qm \
-    $$QT_LANG_PATH/qt_pt.qm \
-    $$QT_LANG_PATH/qt_sl.qm \
-    $$QT_LANG_PATH/qt_sv.qm \
-    $$QT_LANG_PATH/qt_zh_CN.qm
+qt_translations.files =  $$qbt_get_qt_translations()
 QMAKE_BUNDLE_DATA += qt_translations
 
 ICON = $$DIST_PATH/qbittorrent_mac.icns

src/app/CMakeLists.txt

@@ -16,11 +16,6 @@ if (WEBUI)
         "${qBittorrent_BINARY_DIR}/src/webui/www/translations/webui_translations.qrc" COPYONLY)
 endif()
 
-FILE(GLOB QT_TRANSLATIONS "${qBittorrent_SOURCE_DIR}/dist/qt-translations/qtbase_*.qm")
-foreach(EXTRA_TRANSLATION IN ITEMS "fa" "gl" "lt" "pt" "sl" "sv" "zh_CN")
-    list(APPEND QT_TRANSLATIONS "${qBittorrent_SOURCE_DIR}/dist/qt-translations/qt_${EXTRA_TRANSLATION}.qm")
-endforeach()
-
 # Executable target configuration
 # -----------------------------------------------------------------------------
 # -----------------------------------------------------------------------------
@@ -65,16 +60,17 @@ endif()
 # Additional platform specific configuration
 # -----------------------------------------------------------------------------
 # -----------------------------------------------------------------------------
-set_source_files_properties(${QT_TRANSLATIONS} PROPERTIES MACOSX_PACKAGE_LOCATION translations)
-set_source_files_properties(
-    "${qBittorrent_SOURCE_DIR}/dist/mac/qt.conf"
-    "${qBittorrent_SOURCE_DIR}/dist/mac/qBitTorrentDocument.icns"
-    "${qBittorrent_SOURCE_DIR}/dist/mac/qbittorrent_mac.icns"
-        PROPERTIES
-            MACOSX_PACKAGE_LOCATION Resources
-)
-
 if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+    include(FindQtTranslations)
+    qbt_get_qt_translations(QT_TRANSLATIONS)
+    set_source_files_properties(${QT_TRANSLATIONS} PROPERTIES MACOSX_PACKAGE_LOCATION translations)
+    set_source_files_properties(
+        "${qBittorrent_SOURCE_DIR}/dist/mac/qt.conf"
+        "${qBittorrent_SOURCE_DIR}/dist/mac/qBitTorrentDocument.icns"
+        "${qBittorrent_SOURCE_DIR}/dist/mac/qbittorrent_mac.icns"
+            PROPERTIES
+                MACOSX_PACKAGE_LOCATION Resources
+    )
     # provide variables for substitution in dist/mac/Info.plist
     get_target_property(EXECUTABLE_NAME qbt_app OUTPUT_NAME)
     # This variable name should be changed once qmake is no longer used. Refer to the discussion in PR #14813

src/app/application.cpp

@@ -65,6 +65,7 @@
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/torrent.h"
 #include "base/exceptions.h"
+#include "base/global.h"
 #include "base/iconprovider.h"
 #include "base/logger.h"
 #include "base/net/downloadmanager.h"
@@ -121,6 +122,9 @@ Application::Application(int &argc, char **argv)
     , m_running(false)
     , m_shutdownAct(ShutdownDialogAction::Exit)
     , m_commandLineArgs(parseCommandLine(this->arguments()))
+#ifdef Q_OS_WIN
+    , m_storeMemoryWorkingSetLimit(SETTINGS_KEY("MemoryWorkingSetLimit"))
+#endif
     , m_storeFileLoggerEnabled(FILELOGGER_SETTINGS_KEY("Enabled"))
     , m_storeFileLoggerBackup(FILELOGGER_SETTINGS_KEY("Backup"))
     , m_storeFileLoggerDeleteOld(FILELOGGER_SETTINGS_KEY("DeleteOld"))
@@ -204,6 +208,24 @@ const QBtCommandLineParameters &Application::commandLineArgs() const
     return m_commandLineArgs;
 }
 
+#ifdef Q_OS_WIN
+int Application::memoryWorkingSetLimit() const
+{
+    return m_storeMemoryWorkingSetLimit.get(512);
+}
+
+void Application::setMemoryWorkingSetLimit(const int size)
+{
+    if (size == memoryWorkingSetLimit())
+        return;
+
+    m_storeMemoryWorkingSetLimit = size;
+#ifdef QBT_USES_LIBTORRENT2
+    applyMemoryWorkingSetLimit();
+#endif
+}
+#endif
+
 bool Application::isFileLoggerEnabled() const
 {
     return m_storeFileLoggerEnabled.get(true);
@@ -382,14 +404,13 @@ void Application::runExternalProgram(const BitTorrent::Torrent *torrent) const
     LogMsg(tr("Torrent: %1, running external program, command: %2").arg(torrent->name(), program));
 
 #if defined(Q_OS_WIN)
-    auto programWchar = std::make_unique<wchar_t[]>(program.length() + 1);
-    program.toWCharArray(programWchar.get());
+    const std::wstring programWStr = program.toStdWString();
 
     // Need to split arguments manually because QProcess::startDetached(QString)
     // will strip off empty parameters.
     // E.g. `python.exe "1" "" "3"` will become `python.exe "1" "3"`
     int argCount = 0;
-    std::unique_ptr<LPWSTR[], decltype(&::LocalFree)> args {::CommandLineToArgvW(programWchar.get(), &argCount), ::LocalFree};
+    std::unique_ptr<LPWSTR[], decltype(&::LocalFree)> args {::CommandLineToArgvW(programWStr.c_str(), &argCount), ::LocalFree};
 
     QStringList argList;
     for (int i = 1; i < argCount; ++i)
@@ -602,6 +623,10 @@ void Application::processParams(const QStringList &params)
 
 int Application::exec(const QStringList &params)
 {
+#if (defined(Q_OS_WIN) && defined(QBT_USES_LIBTORRENT2))
+    applyMemoryWorkingSetLimit();
+#endif
+
     Net::ProxyConfigurationManager::initInstance();
     Net::DownloadManager::initInstance();
     IconProvider::initInstance();
@@ -650,8 +675,8 @@ int Application::exec(const QStringList &params)
     const auto scheme = QString::fromLatin1(pref->isWebUiHttpsEnabled() ? "https" : "http");
     const auto url = QString::fromLatin1("%1://localhost:%2\n").arg(scheme, QString::number(pref->getWebUiPort()));
     const QString mesg = QString::fromLatin1("\n******** %1 ********\n").arg(tr("Information"))
-        + tr("To control qBittorrent, access the WebUI at: %1\n").arg(url);
-    printf("%s", qUtf8Printable(mesg));
+        + tr("To control qBittorrent, access the WebUI at: %1").arg(url);
+    printf("%s\n", qUtf8Printable(mesg));
 
     if (pref->getWebUIPassword() == "ARQ77eY1NUZaQsuDHbIMCA==:0WMRkYTUWVT9wVvdDtHAjU9b3b7uB8NR1Gur2hmQCvCDpm39Q+PsJRJPaCU51dEiz+dTzh8qbPsL8WkFljQYFQ==")
     {
@@ -771,6 +796,29 @@ void Application::shutdownCleanup(QSessionManager &manager)
 }
 #endif
 
+#if (defined(Q_OS_WIN) && defined(QBT_USES_LIBTORRENT2))
+void Application::applyMemoryWorkingSetLimit()
+{
+    const SIZE_T UNIT_SIZE = 1024 * 1024; // MiB
+    const SIZE_T maxSize = memoryWorkingSetLimit() * UNIT_SIZE;
+    const SIZE_T minSize = std::min<SIZE_T>((64 * UNIT_SIZE), (maxSize / 2));
+    if (!::SetProcessWorkingSetSizeEx(::GetCurrentProcess(), minSize, maxSize, QUOTA_LIMITS_HARDWS_MAX_ENABLE))
+    {
+        const DWORD errorCode = ::GetLastError();
+        QString message;
+        LPVOID lpMsgBuf = nullptr;
+        if (::FormatMessageW((FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS)
+                         , nullptr, errorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), reinterpret_cast<LPWSTR>(&lpMsgBuf), 0, nullptr))
+        {
+            message = QString::fromWCharArray(reinterpret_cast<LPWSTR>(lpMsgBuf)).trimmed();
+            ::LocalFree(lpMsgBuf);
+        }
+        LogMsg(tr("Failed to set physical memory (RAM) usage limit. Error code: %1. Error message: \"%2\"")
+               .arg(QString::number(errorCode), message), Log::WARNING);
+    }
+}
+#endif
+
 void Application::cleanup()
 {
     // cleanup() can be called multiple times during shutdown. We only need it once.
@@ -788,8 +836,9 @@ void Application::cleanup()
         m_window->hide();
 
 #ifdef Q_OS_WIN
+        const std::wstring msg = tr("Saving torrent progress...").toStdWString();
         ::ShutdownBlockReasonCreate(reinterpret_cast<HWND>(m_window->effectiveWinId())
-            , tr("Saving torrent progress...").toStdWString().c_str());
+            , msg.c_str());
 #endif // Q_OS_WIN
 
         // Do manual cleanup in MainWindow to force widgets

src/app/application.h

@@ -88,6 +88,11 @@ public:
 
     const QBtCommandLineParameters &commandLineArgs() const;
 
+#ifdef Q_OS_WIN
+    int memoryWorkingSetLimit() const;
+    void setMemoryWorkingSetLimit(int size);
+#endif
+
     // FileLogger properties
     bool isFileLoggerEnabled() const;
     void setFileLoggerEnabled(bool value);
@@ -121,6 +126,9 @@ private slots:
 #endif
 
 private:
+#if (defined(Q_OS_WIN) && defined(QBT_USES_LIBTORRENT2))
+    void applyMemoryWorkingSetLimit();
+#endif
     void initializeTranslation();
     void processParams(const QStringList &params);
     void runExternalProgram(const BitTorrent::Torrent *torrent) const;
@@ -146,6 +154,9 @@ private:
     QTranslator m_translator;
     QStringList m_paramsQueue;
 
+#ifdef Q_OS_WIN
+    SettingValue<int> m_storeMemoryWorkingSetLimit;
+#endif
     SettingValue<bool> m_storeFileLoggerEnabled;
     SettingValue<bool> m_storeFileLoggerBackup;
     SettingValue<bool> m_storeFileLoggerDeleteOld;

src/app/main.cpp

@@ -32,6 +32,7 @@
 #include <csignal>
 #include <cstdlib>
 #include <memory>
+#include <tuple>
 
 #if defined(Q_OS_UNIX)
 #include <sys/resource.h>
@@ -321,17 +322,13 @@ int main(int argc, char *argv[])
 void reportToUser(const char *str)
 {
     const size_t strLen = strlen(str);
-#ifndef Q_OS_WIN
-    if (write(STDERR_FILENO, str, strLen) < static_cast<ssize_t>(strLen))
-    {
-        const auto dummy = write(STDOUT_FILENO, str, strLen);
+#ifdef Q_OS_WIN
+    if (_write(_fileno(stderr), str, strLen) < static_cast<int>(strLen))
+        std::ignore = _write(_fileno(stdout), str, strLen);
 #else
-    if (_write(STDERR_FILENO, str, strLen) < static_cast<ssize_t>(strLen))
-    {
-        const auto dummy = _write(STDOUT_FILENO, str, strLen);
+    if (write(STDERR_FILENO, str, strLen) < static_cast<ssize_t>(strLen))
+        std::ignore = write(STDOUT_FILENO, str, strLen);
 #endif
-        Q_UNUSED(dummy);
-    }
 }
 #endif
 
@@ -360,8 +357,10 @@ void sigAbnormalHandler(int signum)
     reportToUser(msg);
     reportToUser(sigName);
     reportToUser("\n");
+#if !defined Q_OS_WIN
     print_stacktrace();  // unsafe
 #endif
+#endif
 
 #if defined Q_OS_WIN && !defined DISABLE_GUI
     StacktraceDialog dlg;  // unsafe

src/app/qtlocalpeer/qtlockedfile_win.cpp

@@ -87,9 +87,11 @@ Qt::HANDLE QtLockedFile::getMutexHandle(const int idx, const bool doCreate)
     if (idx >= 0)
         mname += QString::number(idx);
 
+    const std::wstring mnameWStr = mname.toStdWString();
+
     if (doCreate)
     {
-        const Qt::HANDLE mutex = ::CreateMutexW(NULL, FALSE, reinterpret_cast<const TCHAR *>(mname.utf16()));
+        const Qt::HANDLE mutex = ::CreateMutexW(NULL, FALSE, mnameWStr.c_str());
         if (!mutex)
         {
             qErrnoWarning("QtLockedFile::lock(): CreateMutex failed");
@@ -100,7 +102,7 @@ Qt::HANDLE QtLockedFile::getMutexHandle(const int idx, const bool doCreate)
     }
     else
     {
-        const Qt::HANDLE mutex = ::OpenMutexW((SYNCHRONIZE | MUTEX_MODIFY_STATE), FALSE, reinterpret_cast<const TCHAR *>(mname.utf16()));
+        const Qt::HANDLE mutex = ::OpenMutexW((SYNCHRONIZE | MUTEX_MODIFY_STATE), FALSE, mnameWStr.c_str());
         if (!mutex)
         {
             if (GetLastError() != ERROR_FILE_NOT_FOUND)

src/app/stacktrace_win.h

@@ -255,9 +255,10 @@ const QString straceWin::getBacktrace()
     QTextStream logStream(&log);
     logStream << "```\n";
 
+    const std::wstring appPath = QCoreApplication::applicationDirPath().toStdWString();
     HANDLE hProcess = GetCurrentProcess();
     HANDLE hThread = GetCurrentThread();
-    SymInitializeW(hProcess, QCoreApplication::applicationDirPath().toStdWString().c_str(), TRUE);
+    SymInitializeW(hProcess, appPath.c_str(), TRUE);
 
     DWORD64 dwDisplacement;
 

src/app/upgrade.cpp

@@ -32,6 +32,7 @@
 
 #include "base/bittorrent/torrentcontentlayout.h"
 #include "base/logger.h"
+#include "base/net/proxyconfigurationmanager.h"
 #include "base/preferences.h"
 #include "base/profile.h"
 #include "base/settingsstorage.h"
@@ -42,7 +43,7 @@
 
 namespace
 {
-    const int MIGRATION_VERSION = 2;
+    const int MIGRATION_VERSION = 3;
     const char MIGRATION_VERSION_KEY[] = "Meta/MigrationVersion";
 
     void exportWebUIHttpsFiles()
@@ -326,6 +327,46 @@ namespace
             }
         }
     }
+
+    void migrateProxySettingsEnum()
+    {
+        auto *settingsStorage = SettingsStorage::instance();
+        const auto key = QString::fromLatin1("Network/Proxy/Type");
+        const auto value = settingsStorage->loadValue<QString>(key);
+
+        bool ok = false;
+        const auto number = value.toInt(&ok);
+
+        if (ok)
+        {
+            switch (number)
+            {
+            case 0:
+                settingsStorage->storeValue(key, Net::ProxyType::None);
+                break;
+            case 1:
+                settingsStorage->storeValue(key, Net::ProxyType::HTTP);
+                break;
+            case 2:
+                settingsStorage->storeValue(key, Net::ProxyType::SOCKS5);
+                break;
+            case 3:
+                settingsStorage->storeValue(key, Net::ProxyType::HTTP_PW);
+                break;
+            case 4:
+                settingsStorage->storeValue(key, Net::ProxyType::SOCKS5_PW);
+                break;
+            case 5:
+                settingsStorage->storeValue(key, Net::ProxyType::SOCKS4);
+                break;
+            default:
+                LogMsg(QObject::tr("Invalid value found in configuration file, reverting it to default. Key: \"%1\". Invalid value: \"%2\".")
+                           .arg(key, QString::number(number)), Log::WARNING);
+                settingsStorage->removeValue(key);
+                break;
+            }
+        }
+    }
 }
 
 bool upgrade(const bool /*ask*/)
@@ -343,9 +384,13 @@ bool upgrade(const bool /*ask*/)
             upgradeDNSServiceSettings();
             upgradeTrayIconStyleSettings();
         }
+
         if (version < 2)
             migrateSettingKeys();
 
+        if (version < 3)
+            migrateProxySettingsEnum();
+
         version = MIGRATION_VERSION;
     }
 

src/base/bittorrent/dbresumedatastorage.cpp

@@ -43,6 +43,7 @@
 #include <QSqlDatabase>
 #include <QSqlError>
 #include <QSqlQuery>
+#include <QSqlRecord>
 #include <QThread>
 #include <QVector>
 
@@ -206,7 +207,7 @@ BitTorrent::DBResumeDataStorage::DBResumeDataStorage(const QString &dbPath, QObj
     else
     {
         const int dbVersion = currentDBVersion();
-        if (dbVersion == 1)
+        if ((dbVersion == 1) || !db.record(DB_TABLE_TORRENTS).contains(DB_COLUMN_DOWNLOAD_PATH.name))
             updateDBFromVersion1();
     }
 
@@ -325,9 +326,6 @@ std::optional<BitTorrent::LoadTorrentParams> BitTorrent::DBResumeDataStorage::lo
     lt::error_code ec;
     const lt::bdecode_node root = lt::bdecode(allData, ec);
 
-    resumeData.downloadPath = Profile::instance()->fromPortablePath(
-                Utils::Fs::toUniformPath(fromLTString(root.dict_find_string_value("qBt-downloadPath"))));
-
     lt::add_torrent_params &p = resumeData.ltAddTorrentParams;
 
     p = lt::read_resume_data(root, ec);
@@ -425,6 +423,7 @@ void BitTorrent::DBResumeDataStorage::createDB() const
             makeColumnDefinition(DB_COLUMN_CATEGORY, "TEXT"),
             makeColumnDefinition(DB_COLUMN_TAGS, "TEXT"),
             makeColumnDefinition(DB_COLUMN_TARGET_SAVE_PATH, "TEXT"),
+            makeColumnDefinition(DB_COLUMN_DOWNLOAD_PATH, "TEXT"),
             makeColumnDefinition(DB_COLUMN_CONTENT_LAYOUT, "TEXT NOT NULL"),
             makeColumnDefinition(DB_COLUMN_RATIO_LIMIT, "INTEGER NOT NULL"),
             makeColumnDefinition(DB_COLUMN_SEEDING_TIME_LIMIT, "INTEGER NOT NULL"),

src/base/bittorrent/infohash.cpp

@@ -36,6 +36,13 @@ BitTorrent::InfoHash::InfoHash(const WrappedType &nativeHash)
 {
 }
 
+#ifdef QBT_USES_LIBTORRENT2
+BitTorrent::InfoHash::InfoHash(const SHA1Hash &v1, const SHA256Hash &v2)
+    : InfoHash {WrappedType(v1, v2)}
+{
+}
+#endif
+
 bool BitTorrent::InfoHash::isValid() const
 {
     return m_valid;

src/base/bittorrent/infohash.h

@@ -65,6 +65,9 @@ namespace BitTorrent
 
         InfoHash() = default;
         InfoHash(const WrappedType &nativeHash);
+#ifdef QBT_USES_LIBTORRENT2
+        InfoHash(const SHA1Hash &v1, const SHA256Hash &v2);
+#endif
 
         bool isValid() const;
         SHA1Hash v1() const;
@@ -85,3 +88,6 @@ namespace BitTorrent
 }
 
 Q_DECLARE_METATYPE(BitTorrent::TorrentID)
+// We can declare it as Q_MOVABLE_TYPE to improve performance
+// since base type uses QSharedDataPointer as the only member
+Q_DECLARE_TYPEINFO(BitTorrent::TorrentID, Q_MOVABLE_TYPE);

src/base/bittorrent/nativetorrentextension.cpp

@@ -41,6 +41,7 @@ namespace
 NativeTorrentExtension::NativeTorrentExtension(const lt::torrent_handle &torrentHandle)
     : m_torrentHandle {torrentHandle}
 {
+    on_state(m_torrentHandle.status({}).state);
 }
 
 bool NativeTorrentExtension::on_pause()
@@ -56,7 +57,10 @@ bool NativeTorrentExtension::on_pause()
 void NativeTorrentExtension::on_state(const lt::torrent_status::state_t state)
 {
     if (m_state == lt::torrent_status::downloading_metadata)
-        m_torrentHandle.set_flags(lt::torrent_flags::stop_when_ready);
+    {
+        m_torrentHandle.unset_flags(lt::torrent_flags::auto_managed);
+        m_torrentHandle.pause();
+    }
 
     m_state = state;
 }

src/base/bittorrent/session.cpp

@@ -279,8 +279,9 @@ namespace
         if (!uuid.isNull())
             return uuid.toString().toUpper(); // Libtorrent expects the GUID in uppercase
 
+        const std::wstring nameWStr = name.toStdWString();
         NET_LUID luid {};
-        const LONG res = ::ConvertInterfaceNameToLuidW(name.toStdWString().c_str(), &luid);
+        const LONG res = ::ConvertInterfaceNameToLuidW(nameWStr.c_str(), &luid);
         if (res == 0)
         {
             GUID guid;
@@ -291,6 +292,20 @@ namespace
         return {};
     }
 #endif
+
+    TorrentID resumeDataID(const BitTorrent::Torrent *torrent)
+    {
+#ifdef QBT_USES_LIBTORRENT2
+        // use legacy ID to store hybrid torrent
+        const InfoHash infoHash = torrent->infoHash();
+        const TorrentID id = ((infoHash.v1().isValid() && infoHash.v2().isValid())
+                              ? InfoHash(infoHash.v1(), SHA256Hash()).toTorrentID()
+                              : torrent->id());
+#else
+        const TorrentID id = torrent->id();
+#endif
+        return id;
+    }
 }
 
 const int addTorrentParamsId = qRegisterMetaType<AddTorrentParams>();
@@ -313,7 +328,7 @@ Session::Session(QObject *parent)
     , m_announceToAllTrackers(BITTORRENT_SESSION_KEY("AnnounceToAllTrackers"), false)
     , m_announceToAllTiers(BITTORRENT_SESSION_KEY("AnnounceToAllTiers"), true)
     , m_asyncIOThreads(BITTORRENT_SESSION_KEY("AsyncIOThreadsCount"), 10)
-    , m_hashingThreads(BITTORRENT_SESSION_KEY("HashingThreadsCount"), 2)
+    , m_hashingThreads(BITTORRENT_SESSION_KEY("HashingThreadsCount"), 1)
     , m_filePoolSize(BITTORRENT_SESSION_KEY("FilePoolSize"), 5000)
     , m_checkingMemUsage(BITTORRENT_SESSION_KEY("CheckingMemUsageSize"), 32)
     , m_diskCacheSize(BITTORRENT_SESSION_KEY("DiskCacheSize"), -1)
@@ -343,7 +358,7 @@ Session::Session(QObject *parent)
     , m_outgoingPortsMin(BITTORRENT_SESSION_KEY("OutgoingPortsMin"), 0)
     , m_outgoingPortsMax(BITTORRENT_SESSION_KEY("OutgoingPortsMax"), 0)
     , m_UPnPLeaseDuration(BITTORRENT_SESSION_KEY("UPnPLeaseDuration"), 0)
-    , m_peerToS(BITTORRENT_SESSION_KEY("PeerToS"), 0x20)
+    , m_peerToS(BITTORRENT_SESSION_KEY("PeerToS"), 0x04)
     , m_ignoreLimitsOnLAN(BITTORRENT_SESSION_KEY("IgnoreLimitsOnLAN"), false)
     , m_includeOverheadInLimits(BITTORRENT_SESSION_KEY("IncludeOverheadInLimits"), false)
     , m_announceIP(BITTORRENT_SESSION_KEY("AnnounceIP"))
@@ -549,7 +564,7 @@ void Session::setDownloadPathEnabled(const bool enabled)
     {
         m_isDownloadPathEnabled = enabled;
         for (TorrentImpl *const torrent : asConst(m_torrents))
-            torrent->handleDownloadPathChanged();
+            torrent->handleCategoryOptionsChanged();
     }
 }
 
@@ -1055,7 +1070,6 @@ void Session::initializeNativeSession()
         | lt::alert::file_progress_notification
         | lt::alert::ip_block_notification
         | lt::alert::peer_notification
-        | lt::alert::performance_warning
         | lt::alert::port_mapping_notification
         | lt::alert::status_notification
         | lt::alert::storage_notification
@@ -1321,7 +1335,7 @@ void Session::loadLTSettings(lt::settings_pack &settingsPack)
 
     // Outgoing ports
     settingsPack.set_int(lt::settings_pack::outgoing_port, outgoingPortsMin());
-    settingsPack.set_int(lt::settings_pack::num_outgoing_ports, outgoingPortsMax() - outgoingPortsMin() + 1);
+    settingsPack.set_int(lt::settings_pack::num_outgoing_ports, (outgoingPortsMax() - outgoingPortsMin()));
     // UPnP lease duration
     settingsPack.set_int(lt::settings_pack::upnp_lease_duration, UPnPLeaseDuration());
     // Type of service
@@ -1841,7 +1855,7 @@ bool Session::deleteTorrent(const TorrentID &id, const DeleteOption deleteOption
     }
 
     // Remove it from torrent resume directory
-    m_resumeDataStorage->remove(torrent->id());
+    m_resumeDataStorage->remove(resumeDataID(torrent));
 
     delete torrent;
     return true;
@@ -2148,18 +2162,6 @@ bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source
     {
         const TorrentInfo &torrentInfo = std::get<TorrentInfo>(source);
 
-        // if torrent name wasn't explicitly set we handle the case of
-        // initial renaming of torrent content and rename torrent accordingly
-        if (loadTorrentParams.name.isEmpty())
-        {
-            QString contentName = torrentInfo.rootFolder();
-            if (contentName.isEmpty() && (torrentInfo.filesCount() == 1))
-                contentName = Utils::Fs::fileName(torrentInfo.filePath(0));
-
-            if (!contentName.isEmpty() && (contentName != torrentInfo.name()))
-                loadTorrentParams.name = contentName;
-        }
-
         Q_ASSERT(addTorrentParams.filePaths.isEmpty() || (addTorrentParams.filePaths.size() == torrentInfo.filesCount()));
 
         const TorrentContentLayout contentLayout = ((loadTorrentParams.contentLayout == TorrentContentLayout::Original)
@@ -2167,6 +2169,18 @@ bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source
         QStringList filePaths = (!addTorrentParams.filePaths.isEmpty() ? addTorrentParams.filePaths : torrentInfo.filePaths());
         applyContentLayout(filePaths, contentLayout, Utils::Fs::findRootFolder(torrentInfo.filePaths()));
 
+        // if torrent name wasn't explicitly set we handle the case of
+        // initial renaming of torrent content and rename torrent accordingly
+        if (loadTorrentParams.name.isEmpty())
+        {
+            QString contentName = Utils::Fs::findRootFolder(filePaths);
+            if (contentName.isEmpty() && (filePaths.size() == 1))
+                contentName = Utils::Fs::fileName(filePaths.at(0));
+
+            if (!contentName.isEmpty() && (contentName != torrentInfo.name()))
+                loadTorrentParams.name = contentName;
+        }
+
         if (!loadTorrentParams.hasSeedStatus)
         {
             const QString actualDownloadPath = useAutoTMM
@@ -2178,8 +2192,8 @@ bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source
         const auto nativeIndexes = torrentInfo.nativeIndexes();
         if (!filePaths.isEmpty())
         {
-            for (int index = 0; index < addTorrentParams.filePaths.size(); ++index)
-                p.renamed_files[nativeIndexes[index]] = Utils::Fs::toNativePath(addTorrentParams.filePaths.at(index)).toStdString();
+            for (int index = 0; index < filePaths.size(); ++index)
+                p.renamed_files[nativeIndexes[index]] = Utils::Fs::toNativePath(filePaths.at(index)).toStdString();
         }
 
         Q_ASSERT(p.file_priorities.empty());
@@ -2337,9 +2351,9 @@ bool Session::downloadMetadata(const MagnetUri &magnetUri)
     return true;
 }
 
-void Session::exportTorrentFile(const TorrentInfo &torrentInfo, const QString &folderPath, const QString &baseName)
+void Session::exportTorrentFile(const Torrent *torrent, const QString &folderPath)
 {
-    const QString validName = Utils::Fs::toValidFileSystemName(baseName);
+    const QString validName = Utils::Fs::toValidFileSystemName(torrent->name());
     QString torrentExportFilename = QString::fromLatin1("%1.torrent").arg(validName);
     const QDir exportDir {folderPath};
     if (exportDir.exists() || exportDir.mkpath(exportDir.absolutePath()))
@@ -2353,11 +2367,11 @@ void Session::exportTorrentFile(const TorrentInfo &torrentInfo, const QString &f
             newTorrentPath = exportDir.absoluteFilePath(torrentExportFilename);
         }
 
-        const nonstd::expected<void, QString> result = torrentInfo.saveToFile(newTorrentPath);
+        const nonstd::expected<void, QString> result = torrent->exportToFile(newTorrentPath);
         if (!result)
         {
-            LogMsg(tr("Couldn't export torrent metadata file '%1'. Reason: %2.")
-                   .arg(newTorrentPath, result.error()), Log::WARNING);
+            LogMsg(tr("Failed to export torrent. Torrent: \"%1\". Destination: \"%2\". Reason: \"%3\"")
+                   .arg(torrent->name(), newTorrentPath, result.error()), Log::WARNING);
         }
     }
 }
@@ -2438,31 +2452,59 @@ void Session::setSavePath(const QString &path)
     const QString resolvedPath = (QDir::isAbsolutePath(path) ? path : Utils::Fs::resolvePath(path, baseSavePath));
     if (resolvedPath == m_savePath) return;
 
-    m_savePath = resolvedPath;
-
     if (isDisableAutoTMMWhenDefaultSavePathChanged())
     {
+        QSet<QString> affectedCatogories {{}}; // includes default (unnamed) category
+        for (auto it = m_categories.cbegin(); it != m_categories.cend(); ++it)
+        {
+            const QString &categoryName = it.key();
+            const CategoryOptions &categoryOptions = it.value();
+            if (QDir::isRelativePath(categoryOptions.savePath))
+                affectedCatogories.insert(categoryName);
+        }
+
         for (TorrentImpl *const torrent : asConst(m_torrents))
-            torrent->setAutoTMMEnabled(false);
-    }
-    else
-    {
-        for (TorrentImpl *const torrent : asConst(m_torrents))
-            torrent->handleCategoryOptionsChanged();
+        {
+            if (affectedCatogories.contains(torrent->category()))
+                torrent->setAutoTMMEnabled(false);
+        }
     }
+
+    m_savePath = resolvedPath;
+    for (TorrentImpl *const torrent : asConst(m_torrents))
+        torrent->handleCategoryOptionsChanged();
 }
 
 void Session::setDownloadPath(const QString &path)
 {
     const QString baseDownloadPath = specialFolderLocation(SpecialFolder::Downloads) + QLatin1String("/temp");
     const QString resolvedPath = (QDir::isAbsolutePath(path) ? path  : Utils::Fs::resolvePath(path, baseDownloadPath));
-    if (resolvedPath != m_downloadPath)
+    if (resolvedPath == m_downloadPath)
+        return;
+
+    if (isDisableAutoTMMWhenDefaultSavePathChanged())
     {
-        m_downloadPath = resolvedPath;
+        QSet<QString> affectedCatogories {{}}; // includes default (unnamed) category
+        for (auto it = m_categories.cbegin(); it != m_categories.cend(); ++it)
+        {
+            const QString &categoryName = it.key();
+            const CategoryOptions &categoryOptions = it.value();
+            const CategoryOptions::DownloadPathOption downloadPathOption =
+                    categoryOptions.downloadPath.value_or(CategoryOptions::DownloadPathOption {isDownloadPathEnabled(), downloadPath()});
+            if (downloadPathOption.enabled && QDir::isRelativePath(downloadPathOption.path))
+                affectedCatogories.insert(categoryName);
+        }
 
         for (TorrentImpl *const torrent : asConst(m_torrents))
-            torrent->handleDownloadPathChanged();
+        {
+            if (affectedCatogories.contains(torrent->category()))
+                torrent->setAutoTMMEnabled(false);
+        }
     }
+
+    m_downloadPath = resolvedPath;
+    for (TorrentImpl *const torrent : asConst(m_torrents))
+        torrent->handleCategoryOptionsChanged();
 }
 
 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
@@ -3019,6 +3061,11 @@ void Session::applyOSMemoryPriority() const
     if (!setProcessInformation)  // only available on Windows >= 8
         return;
 
+    using SETTHREADINFORMATION = BOOL (WINAPI *)(HANDLE, THREAD_INFORMATION_CLASS, LPVOID, DWORD);
+    const auto setThreadInformation = Utils::Misc::loadWinAPI<SETTHREADINFORMATION>("Kernel32.dll", "SetThreadInformation");
+    if (!setThreadInformation)  // only available on Windows >= 8
+        return;
+
 #if (_WIN32_WINNT < _WIN32_WINNT_WIN8)
     // this dummy struct is required to compile successfully when targeting older Windows version
     struct MEMORY_PRIORITY_INFORMATION
@@ -3055,6 +3102,11 @@ void Session::applyOSMemoryPriority() const
         break;
     }
     setProcessInformation(::GetCurrentProcess(), ProcessMemoryPriority, &prioInfo, sizeof(prioInfo));
+
+    // To avoid thrashing/sluggishness of the app, set "main event loop" thread to normal memory priority
+    // which is higher/equal than other threads
+    prioInfo.MemoryPriority = MEMORY_PRIORITY_NORMAL;
+    setThreadInformation(::GetCurrentThread(), ThreadMemoryPriority, &prioInfo, sizeof(prioInfo));
 }
 #endif
 
@@ -3936,16 +3988,8 @@ void Session::handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QVe
 
 void Session::handleTorrentMetadataReceived(TorrentImpl *const torrent)
 {
-    // Copy the torrent file to the export folder
     if (!torrentExportDirectory().isEmpty())
-    {
-#ifdef QBT_USES_LIBTORRENT2
-        const TorrentInfo torrentInfo {*torrent->nativeHandle().torrent_file_with_hashes()};
-#else
-        const TorrentInfo torrentInfo {*torrent->nativeHandle().torrent_file()};
-#endif
-        exportTorrentFile(torrentInfo, torrentExportDirectory(), torrent->name());
-    }
+        exportTorrentFile(torrent, torrentExportDirectory());
 
     emit torrentMetadataReceived(torrent);
 }
@@ -3992,16 +4036,8 @@ void Session::handleTorrentFinished(TorrentImpl *const torrent)
         }
     }
 
-    // Move .torrent file to another folder
     if (!finishedTorrentExportDirectory().isEmpty())
-    {
-#ifdef QBT_USES_LIBTORRENT2
-        const TorrentInfo torrentInfo {*torrent->nativeHandle().torrent_file_with_hashes()};
-#else
-        const TorrentInfo torrentInfo {*torrent->nativeHandle().torrent_file()};
-#endif
-        exportTorrentFile(torrentInfo, finishedTorrentExportDirectory(), torrent->name());
-    }
+        exportTorrentFile(torrent, finishedTorrentExportDirectory());
 
     if (!hasUnfinishedTorrents())
         emit allTorrentsFinished();
@@ -4011,7 +4047,7 @@ void Session::handleTorrentResumeDataReady(TorrentImpl *const torrent, const Loa
 {
     --m_numResumeData;
 
-    m_resumeDataStorage->store(torrent->id(), data);
+    m_resumeDataStorage->store(resumeDataID(torrent), data);
 }
 
 void Session::handleTorrentTrackerReply(TorrentImpl *const torrent, const QString &trackerUrl)
@@ -4033,7 +4069,7 @@ bool Session::addMoveTorrentStorageJob(TorrentImpl *torrent, const QString &newP
 
     if (m_moveStorageQueue.size() > 1)
     {
-        const auto iter = std::find_if(m_moveStorageQueue.begin() + 1, m_moveStorageQueue.end()
+        auto iter = std::find_if(m_moveStorageQueue.begin() + 1, m_moveStorageQueue.end()
                                  , [&torrentHandle](const MoveStorageJob &job)
         {
             return job.torrentHandle == torrentHandle;
@@ -4042,8 +4078,16 @@ bool Session::addMoveTorrentStorageJob(TorrentImpl *torrent, const QString &newP
         if (iter != m_moveStorageQueue.end())
         {
             // remove existing inactive job
-            m_moveStorageQueue.erase(iter);
             LogMsg(tr("Cancelled moving \"%1\" from \"%2\" to \"%3\".").arg(torrent->name(), currentLocation, iter->path));
+            iter = m_moveStorageQueue.erase(iter);
+
+            iter = std::find_if(iter, m_moveStorageQueue.end(), [&torrentHandle](const MoveStorageJob &job)
+            {
+                return job.torrentHandle == torrentHandle;
+            });
+
+            const bool torrentHasOutstandingJob = (iter != m_moveStorageQueue.end());
+            torrent->handleMoveStorageJobFinished(torrentHasOutstandingJob);
         }
     }
 
@@ -4346,53 +4390,182 @@ void Session::startUpTorrents()
     const QVector<TorrentID> torrents = startupStorage->registeredTorrents();
     int resumedTorrentsCount = 0;
     QVector<TorrentID> queue;
-    for (const TorrentID &torrentID : torrents)
+    QSet<QString> recoveredCategories;
+#ifdef QBT_USES_LIBTORRENT2
+    const QSet<TorrentID> indexedTorrents {torrents.cbegin(), torrents.cend()};
+    QSet<TorrentID> skippedIDs;
+#endif
+    for (TorrentID torrentID : torrents)
     {
+#ifdef QBT_USES_LIBTORRENT2
+        if (skippedIDs.contains(torrentID))
+            continue;
+#endif
+
         const std::optional<LoadTorrentParams> loadResumeDataResult = startupStorage->load(torrentID);
-        if (loadResumeDataResult)
-        {
-            LoadTorrentParams resumeData = *loadResumeDataResult;
-            bool needStore = false;
-
-            if (m_resumeDataStorage != startupStorage)
-            {
-               needStore = true;
-               if (isQueueingSystemEnabled() && !resumeData.hasSeedStatus)
-                    queue.append(torrentID);
-            }
-
-            // TODO: Remove the following upgrade code in v4.5
-            // == BEGIN UPGRADE CODE ==
-            if (m_needUpgradeDownloadPath && isDownloadPathEnabled())
-            {
-                if (!resumeData.useAutoTMM)
-                {
-                    resumeData.downloadPath = downloadPath();
-                    needStore = true;
-                }
-            }
-            // == END UPGRADE CODE ==
-
-            if (needStore)
-                 m_resumeDataStorage->store(torrentID, resumeData);
-
-            qDebug() << "Starting up torrent" << torrentID.toString() << "...";
-            if (!loadTorrent(resumeData))
-            {
-                LogMsg(tr("Unable to resume torrent '%1'.", "e.g: Unable to resume torrent 'hash'.")
-                       .arg(torrentID.toString()), Log::CRITICAL);
-            }
-
-            // process add torrent messages before message queue overflow
-            if ((resumedTorrentsCount % 100) == 0) readAlerts();
-
-            ++resumedTorrentsCount;
-        }
-        else
+        if (!loadResumeDataResult)
         {
             LogMsg(tr("Unable to resume torrent '%1'.", "e.g: Unable to resume torrent 'hash'.")
                        .arg(torrentID.toString()), Log::CRITICAL);
+            continue;
         }
+
+        LoadTorrentParams resumeData = *loadResumeDataResult;
+        bool needStore = false;
+
+#ifdef QBT_USES_LIBTORRENT2
+        const lt::info_hash_t infoHash = (resumeData.ltAddTorrentParams.ti
+                                          ? resumeData.ltAddTorrentParams.ti->info_hashes()
+                                          : resumeData.ltAddTorrentParams.info_hashes);
+        const bool isHybrid = infoHash.has_v1() && infoHash.has_v2();
+        const auto torrentIDv2 = TorrentID::fromInfoHash(infoHash);
+        const auto torrentIDv1 = TorrentID::fromInfoHash(lt::info_hash_t(infoHash.v1));
+        if (torrentID == torrentIDv1)
+        {
+            if (isHybrid && indexedTorrents.contains(torrentIDv2))
+            {
+                // if we don't have metadata, try to find it in alternative "resume data"
+                if (!resumeData.ltAddTorrentParams.ti)
+                {
+                    const std::optional<LoadTorrentParams> loadAltResumeDataResult = startupStorage->load(torrentIDv2);
+                    if (loadAltResumeDataResult)
+                        resumeData.ltAddTorrentParams.ti = loadAltResumeDataResult->ltAddTorrentParams.ti;
+                }
+
+                // remove alternative "resume data" and skip the attempt to load it
+                m_resumeDataStorage->remove(torrentIDv2);
+                skippedIDs.insert(torrentIDv2);
+            }
+        }
+        else if (torrentID == torrentIDv2)
+        {
+            if (isHybrid)
+            {
+                torrentID = torrentIDv1;
+                needStore = true;
+                m_resumeDataStorage->remove(torrentIDv2);
+
+                if (indexedTorrents.contains(torrentID))
+                {
+                    skippedIDs.insert(torrentID);
+
+                    const std::optional<LoadTorrentParams> loadPreferredResumeDataResult = startupStorage->load(torrentID);
+                    if (loadPreferredResumeDataResult)
+                    {
+                        std::shared_ptr<lt::torrent_info> ti = resumeData.ltAddTorrentParams.ti;
+                        resumeData = *loadPreferredResumeDataResult;
+                        if (!resumeData.ltAddTorrentParams.ti)
+                            resumeData.ltAddTorrentParams.ti = ti;
+                    }
+                }
+            }
+        }
+        else
+        {
+            LogMsg(tr("Failed to resume torrent: inconsistent torrent ID is detected. Torrent: \"%1\"")
+                   .arg(torrentID.toString()), Log::WARNING);
+            continue;
+        }
+#else
+        const lt::sha1_hash infoHash = (resumeData.ltAddTorrentParams.ti
+                                          ? resumeData.ltAddTorrentParams.ti->info_hash()
+                                          : resumeData.ltAddTorrentParams.info_hash);
+        if (torrentID != TorrentID::fromInfoHash(infoHash))
+        {
+            LogMsg(tr("Failed to resume torrent: inconsistent torrent ID is detected. Torrent: \"%1\"")
+                   .arg(torrentID.toString()), Log::WARNING);
+            continue;
+        }
+#endif
+
+        if (m_resumeDataStorage != startupStorage)
+        {
+           needStore = true;
+           if (isQueueingSystemEnabled() && !resumeData.hasSeedStatus)
+                queue.append(torrentID);
+        }
+
+        // TODO: Remove the following upgrade code in v4.5
+        // == BEGIN UPGRADE CODE ==
+        if (m_needUpgradeDownloadPath && isDownloadPathEnabled())
+        {
+            if (!resumeData.useAutoTMM)
+            {
+                resumeData.downloadPath = downloadPath();
+                needStore = true;
+            }
+        }
+        // == END UPGRADE CODE ==
+
+        if (needStore)
+             m_resumeDataStorage->store(torrentID, resumeData);
+
+        const QString category = resumeData.category;
+        bool isCategoryRecovered = recoveredCategories.contains(category);
+        if (!category.isEmpty() && (isCategoryRecovered || !m_categories.contains(category)))
+        {
+            if (!isCategoryRecovered)
+            {
+                if (addCategory(category))
+                {
+                    recoveredCategories.insert(category);
+                    isCategoryRecovered = true;
+                    LogMsg(tr("Inconsistent data is detected. Category '%1' is assigned to some torrent(s) but it doesn't exist in the configuration file."
+                              " Its settings will be reset to default.").arg(category), Log::WARNING);
+                }
+                else
+                {
+                    resumeData.category.clear();
+                    LogMsg(tr("Inconsistent data is detected. Invalid category '%1' is assigned to torrent '%2'.")
+                           .arg(category, torrentID.toString()), Log::WARNING);
+                }
+            }
+
+            // We should check isCategoryRecovered again since the category
+            // can be just recovered by the code above
+            if (isCategoryRecovered && resumeData.useAutoTMM)
+            {
+                const QString storageLocation = Utils::Fs::toUniformPath(QString::fromStdString(resumeData.ltAddTorrentParams.save_path));
+                if ((storageLocation != categorySavePath(resumeData.category)) && (storageLocation != categoryDownloadPath(resumeData.category)))
+                {
+                    resumeData.useAutoTMM = false;
+                    resumeData.savePath = storageLocation;
+                    resumeData.downloadPath.clear();
+                    LogMsg(tr("Torrent '%1' is assigned the recovered category '%2' whose paths don't match the torrent's path."
+                              " Torrent is switched to \"Manual\" mode.").arg(torrentID.toString(), category), Log::WARNING);
+                }
+            }
+        }
+
+        Algorithm::removeIf(resumeData.tags, [this, &torrentID](const QString &tag)
+        {
+            if (hasTag(tag))
+                return false;
+
+            if (addTag(tag))
+            {
+                LogMsg(tr("Detected inconsistent data: tag is missing from the configuration file."
+                          " Tag will be recovered."
+                          " Torrent: \"%1\". Tag: \"%2\"").arg(torrentID.toString(), tag), Log::WARNING);
+                return false;
+            }
+
+            LogMsg(tr("Detected inconsistent data: invalid tag. Torrent: \"%1\". Tag: \"%2\"")
+                   .arg(torrentID.toString(), tag), Log::WARNING);
+            return true;
+        });
+
+        qDebug() << "Starting up torrent" << torrentID.toString() << "...";
+        if (!loadTorrent(resumeData))
+        {
+            LogMsg(tr("Unable to resume torrent '%1'.", "e.g: Unable to resume torrent 'hash'.")
+                   .arg(torrentID.toString()), Log::CRITICAL);
+        }
+
+        // process add torrent messages before message queue overflow
+        if ((resumedTorrentsCount % 100) == 0) readAlerts();
+
+        ++resumedTorrentsCount;
     }
 
     if (m_resumeDataStorage != startupStorage)
@@ -4489,6 +4662,7 @@ void Session::handleAlert(const lt::alert *a)
         case lt::file_prio_alert::alert_type:
 #endif
         case lt::file_renamed_alert::alert_type:
+        case lt::file_rename_failed_alert::alert_type:
         case lt::file_completed_alert::alert_type:
         case lt::torrent_finished_alert::alert_type:
         case lt::save_resume_data_alert::alert_type:
@@ -4608,17 +4782,13 @@ void Session::createTorrent(const lt::torrent_handle &nativeHandle)
     }
     else
     {
-        m_resumeDataStorage->store(torrent->id(), params);
+        m_resumeDataStorage->store(resumeDataID(torrent), params);
 
         // The following is useless for newly added magnet
         if (hasMetadata)
         {
-            // Copy the torrent file to the export folder
             if (!torrentExportDirectory().isEmpty())
-            {
-                const TorrentInfo torrentInfo {*params.ltAddTorrentParams.ti};
-                exportTorrentFile(torrentInfo, torrentExportDirectory(), torrent->name());
-            }
+                exportTorrentFile(torrent, torrentExportDirectory());
         }
 
         if (isAddTrackersEnabled() && !torrent->isPrivate())

src/base/bittorrent/session.h

@@ -609,7 +609,7 @@ namespace BitTorrent
         bool addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source, const AddTorrentParams &addTorrentParams);
 
         void updateSeedingLimitTimer();
-        void exportTorrentFile(const TorrentInfo &torrentInfo, const QString &folderPath, const QString &baseName);
+        void exportTorrentFile(const Torrent *torrent, const QString &folderPath);
 
         void handleAlert(const lt::alert *a);
         void dispatchTorrentAlert(const lt::alert *a);

src/base/bittorrent/torrent.h

@@ -29,10 +29,11 @@
 
 #pragma once
 
+#include <QtContainerFwd>
 #include <QMetaType>
 #include <QString>
-#include <QtContainerFwd>
 
+#include "base/3rdparty/expected.hpp"
 #include "base/tagset.h"
 #include "abstractfilestorage.h"
 
@@ -294,6 +295,7 @@ namespace BitTorrent
         virtual void clearPeers() = 0;
 
         virtual QString createMagnetURI() const = 0;
+        virtual nonstd::expected<void, QString> exportToFile(const QString &path) const = 0;
 
         TorrentID id() const;
         bool isResumed() const;

src/base/bittorrent/torrentimpl.cpp

@@ -35,6 +35,7 @@
 
 #include <libtorrent/address.hpp>
 #include <libtorrent/alert_types.hpp>
+#include <libtorrent/create_torrent.hpp>
 #include <libtorrent/magnet_uri.hpp>
 #include <libtorrent/session.hpp>
 #include <libtorrent/storage_defs.hpp>
@@ -55,6 +56,7 @@
 #include "base/logger.h"
 #include "base/preferences.h"
 #include "base/utils/fs.h"
+#include "base/utils/io.h"
 #include "base/utils/string.h"
 #include "common.h"
 #include "downloadpriority.h"
@@ -236,6 +238,14 @@ namespace
         status.pieces = params.have_pieces;
         status.verified_pieces = params.verified_pieces;
     }
+
+    template <typename Vector>
+    Vector resized(const Vector &inVector, const typename Vector::size_type size, const typename Vector::value_type &defaultValue)
+    {
+        Vector outVector = inVector;
+        outVector.resize(size, defaultValue);
+        return outVector;
+    }
 }
 
 // TorrentImpl
@@ -273,13 +283,16 @@ TorrentImpl::TorrentImpl(Session *session, lt::session *nativeSession
         m_torrentInfo = TorrentInfo(*m_ltAddTorrentParams.ti);
 
         Q_ASSERT(m_filePaths.isEmpty());
+        Q_ASSERT(m_indexMap.isEmpty());
         const int filesCount = m_torrentInfo.filesCount();
         m_filePaths.reserve(filesCount);
+        m_indexMap.reserve(filesCount);
         const std::shared_ptr<const lt::torrent_info> currentInfo = m_nativeHandle.torrent_file();
         const lt::file_storage &fileStorage = currentInfo->files();
         for (int i = 0; i < filesCount; ++i)
         {
             const lt::file_index_t nativeIndex = m_torrentInfo.nativeIndexes().at(i);
+            m_indexMap[nativeIndex] = i;
             const QString filePath = Utils::Fs::toUniformPath(QString::fromStdString(fileStorage.file_path(nativeIndex)));
             m_filePaths.append(filePath);
         }
@@ -412,7 +425,7 @@ void TorrentImpl::setSavePath(const QString &path)
     m_session->handleTorrentNeedSaveResumeData(this);
 
     const bool isFinished = isSeed() || m_hasSeedStatus;
-    if (isFinished)
+    if (isFinished || downloadPath().isEmpty())
         moveStorage(savePath(), MoveStorageMode::KeepExistingFiles);
 }
 
@@ -444,7 +457,7 @@ QString TorrentImpl::rootPath() const
     if (!hasMetadata())
         return {};
 
-    const QString relativeRootPath = m_torrentInfo.rootFolder();
+    const QString relativeRootPath = Utils::Fs::findRootFolder(filePaths());
     if (relativeRootPath.isEmpty())
         return {};
 
@@ -1500,6 +1513,8 @@ void TorrentImpl::fileSearchFinished(const QString &savePath, const QStringList
 
 void TorrentImpl::endReceivedMetadataHandling(const QString &savePath, const QStringList &fileNames)
 {
+    Q_ASSERT(m_filePaths.isEmpty());
+
     lt::add_torrent_params &p = m_ltAddTorrentParams;
 
     const std::shared_ptr<lt::torrent_info> metadata = std::const_pointer_cast<lt::torrent_info>(m_nativeHandle.torrent_file());
@@ -1507,13 +1522,14 @@ void TorrentImpl::endReceivedMetadataHandling(const QString &savePath, const QSt
     m_filePaths = fileNames;
     const auto nativeIndexes = m_torrentInfo.nativeIndexes();
     for (int i = 0; i < fileNames.size(); ++i)
-        p.renamed_files[nativeIndexes[i]] = fileNames[i].toStdString();
+    {
+        const auto nativeIndex = nativeIndexes.at(i);
+        p.renamed_files[nativeIndex] = fileNames[i].toStdString();
+    }
     p.save_path = Utils::Fs::toNativePath(savePath).toStdString();
     p.ti = metadata;
-
-    const int internalFilesCount = p.ti->files().num_files(); // including .pad files
-    // Use qBittorrent default priority rather than libtorrent's (4)
-    p.file_priorities = std::vector(internalFilesCount, LT::toNative(DownloadPriority::Normal));
+    p.file_priorities = resized(p.file_priorities, metadata->files().num_files()
+                                , LT::toNative(p.file_priorities.empty() ? DownloadPriority::Normal : DownloadPriority::Ignored));
 
     reload();
 
@@ -1555,7 +1571,8 @@ void TorrentImpl::reload()
     }
 
     m_nativeHandle = m_nativeSession->add_torrent(p);
-    m_nativeHandle.queue_position_set(queuePos);
+    if (queuePos >= lt::queue_position_t {})
+        m_nativeHandle.queue_position_set(queuePos);
 }
 
 void TorrentImpl::pause()
@@ -1635,11 +1652,6 @@ void TorrentImpl::handleStateUpdate(const lt::torrent_status &nativeStatus)
     updateStatus(nativeStatus);
 }
 
-void TorrentImpl::handleDownloadPathChanged()
-{
-    adjustStorageLocation();
-}
-
 void TorrentImpl::handleMoveStorageJobFinished(const bool hasOutstandingJob)
 {
     m_session->handleTorrentNeedSaveResumeData(this);
@@ -1775,6 +1787,8 @@ void TorrentImpl::handleSaveResumeDataAlert(const lt::save_resume_data_alert *p)
 {
     if (m_maintenanceJob == MaintenanceJob::HandleMetadata)
     {
+        Q_ASSERT(m_indexMap.isEmpty());
+
         m_ltAddTorrentParams = p->params;
 
         m_ltAddTorrentParams.have_pieces.clear();
@@ -1784,6 +1798,19 @@ void TorrentImpl::handleSaveResumeDataAlert(const lt::save_resume_data_alert *p)
 
         QStringList filePaths = metadata.filePaths();
         applyContentLayout(filePaths, m_contentLayout);
+
+        const auto nativeIndexes = metadata.nativeIndexes();
+        const auto &renamedFiles = m_ltAddTorrentParams.renamed_files;
+        m_indexMap.reserve(filePaths.size());
+        for (int i = 0; i < filePaths.size(); ++i)
+        {
+            const auto nativeIndex = nativeIndexes.at(i);
+            m_indexMap[nativeIndex] = i;
+
+            if (const auto it = renamedFiles.find(nativeIndex); it != renamedFiles.cend())
+                filePaths[i] = QString::fromStdString(it->second);
+        }
+
         m_session->findIncompleteFiles(metadata, savePath(), downloadPath(), filePaths);
     }
     else
@@ -1862,7 +1889,7 @@ void TorrentImpl::handleFastResumeRejectedAlert(const lt::fastresume_rejected_al
 
 void TorrentImpl::handleFileRenamedAlert(const lt::file_renamed_alert *p)
 {
-    const int fileIndex = m_torrentInfo.nativeIndexes().indexOf(p->index);
+    const int fileIndex = m_indexMap.value(p->index, -1);
     Q_ASSERT(fileIndex >= 0);
 
     // Remove empty leftover folders
@@ -1892,9 +1919,10 @@ void TorrentImpl::handleFileRenamedAlert(const lt::file_renamed_alert *p)
         ++pathIdx;
     }
 
+    QDir storageDir {actualStorageLocation()};
     for (int i = (oldPathParts.size() - 1); i >= pathIdx; --i)
     {
-        QDir().rmdir(savePath() + Utils::String::join(oldPathParts, QString::fromLatin1("/")));
+        storageDir.rmdir(Utils::String::join(oldPathParts, QString::fromLatin1("/")));
         oldPathParts.removeLast();
     }
 
@@ -1907,7 +1935,7 @@ void TorrentImpl::handleFileRenamedAlert(const lt::file_renamed_alert *p)
 
 void TorrentImpl::handleFileRenameFailedAlert(const lt::file_rename_failed_alert *p)
 {
-    const int fileIndex = m_torrentInfo.nativeIndexes().indexOf(p->index);
+    const int fileIndex = m_indexMap.value(p->index, -1);
     Q_ASSERT(fileIndex >= 0);
 
     LogMsg(tr("File rename failed. Torrent: \"%1\", file: \"%2\", reason: \"%3\"")
@@ -1922,12 +1950,14 @@ void TorrentImpl::handleFileRenameFailedAlert(const lt::file_rename_failed_alert
 
 void TorrentImpl::handleFileCompletedAlert(const lt::file_completed_alert *p)
 {
-    const int fileIndex = m_torrentInfo.nativeIndexes().indexOf(p->index);
-    Q_ASSERT(fileIndex >= 0);
+    if (m_maintenanceJob == MaintenanceJob::HandleMetadata)
+        return;
 
-    qDebug("A file completed download in torrent \"%s\"", qUtf8Printable(name()));
     if (m_session->isAppendExtensionEnabled())
     {
+        const int fileIndex = m_indexMap.value(p->index, -1);
+        Q_ASSERT(fileIndex >= 0);
+
         QString name = filePath(fileIndex);
         if (name.endsWith(QB_EXT))
         {
@@ -1961,12 +1991,6 @@ void TorrentImpl::handleMetadataReceivedAlert(const lt::metadata_received_alert
     m_session->handleTorrentNeedSaveResumeData(this);
 }
 
-void TorrentImpl::handlePerformanceAlert(const lt::performance_alert *p) const
-{
-    LogMsg((tr("Performance alert: ") + QString::fromStdString(p->message()))
-           , Log::INFO);
-}
-
 void TorrentImpl::handleCategoryOptionsChanged()
 {
     if (m_useAutoTMM)
@@ -2034,9 +2058,6 @@ void TorrentImpl::handleAlert(const lt::alert *a)
     case lt::torrent_checked_alert::alert_type:
         handleTorrentCheckedAlert(static_cast<const lt::torrent_checked_alert*>(a));
         break;
-    case lt::performance_alert::alert_type:
-        handlePerformanceAlert(static_cast<const lt::performance_alert*>(a));
-        break;
     }
 }
 
@@ -2081,7 +2102,8 @@ void TorrentImpl::adjustStorageLocation()
     const bool isFinished = isSeed() || m_hasSeedStatus;
     const QDir targetDir {((isFinished || downloadPath.isEmpty()) ? savePath() : downloadPath)};
 
-    moveStorage(targetDir.absolutePath(), MoveStorageMode::Overwrite);
+    if ((targetDir != QDir(actualStorageLocation())) || isMoveInProgress())
+        moveStorage(targetDir.absolutePath(), MoveStorageMode::Overwrite);
 }
 
 lt::torrent_handle TorrentImpl::nativeHandle() const
@@ -2228,6 +2250,37 @@ QString TorrentImpl::createMagnetURI() const
     return QString::fromStdString(lt::make_magnet_uri(m_nativeHandle));
 }
 
+nonstd::expected<void, QString> TorrentImpl::exportToFile(const QString &path) const
+{
+    if (!hasMetadata())
+        return nonstd::make_unexpected(tr("Missing metadata"));
+
+    try
+    {
+#ifdef QBT_USES_LIBTORRENT2
+        const std::shared_ptr<lt::torrent_info> completeTorrentInfo = m_nativeHandle.torrent_file_with_hashes();
+        const std::shared_ptr<lt::torrent_info> torrentInfo = (completeTorrentInfo ? completeTorrentInfo : info().nativeInfo());
+#else
+        const std::shared_ptr<lt::torrent_info> torrentInfo = info().nativeInfo();
+#endif
+        auto creator = lt::create_torrent(*torrentInfo);
+
+        for (const TrackerEntry &entry : asConst(trackers()))
+            creator.add_tracker(entry.url.toStdString(), entry.tier);
+
+        const lt::entry torrentEntry = creator.generate();
+        const nonstd::expected<void, QString> result = Utils::IO::saveToFile(path, torrentEntry);
+        if (!result)
+            return result.get_unexpected();
+    }
+    catch (const lt::system_error &err)
+    {
+        return nonstd::make_unexpected(QString::fromLocal8Bit(err.what()));
+    }
+
+    return {};
+}
+
 void TorrentImpl::prioritizeFiles(const QVector<DownloadPriority> &priorities)
 {
     if (!hasMetadata()) return;

src/base/bittorrent/torrentimpl.h

@@ -224,6 +224,7 @@ namespace BitTorrent
         void clearPeers() override;
 
         QString createMagnetURI() const override;
+        nonstd::expected<void, QString> exportToFile(const QString &path) const;
 
         bool needSaveResumeData() const;
 
@@ -232,7 +233,6 @@ namespace BitTorrent
 
         void handleAlert(const lt::alert *a);
         void handleStateUpdate(const lt::torrent_status &nativeStatus);
-        void handleDownloadPathChanged();
         void handleCategoryOptionsChanged();
         void handleAppendExtensionToggled();
         void saveResumeData();
@@ -255,7 +255,6 @@ namespace BitTorrent
         void handleFileRenamedAlert(const lt::file_renamed_alert *p);
         void handleFileRenameFailedAlert(const lt::file_rename_failed_alert *p);
         void handleMetadataReceivedAlert(const lt::metadata_received_alert *p);
-        void handlePerformanceAlert(const lt::performance_alert *p) const;
         void handleSaveResumeDataAlert(const lt::save_resume_data_alert *p);
         void handleSaveResumeDataFailedAlert(const lt::save_resume_data_failed_alert *p);
         void handleTorrentCheckedAlert(const lt::torrent_checked_alert *p);
@@ -286,6 +285,7 @@ namespace BitTorrent
         TorrentState m_state = TorrentState::Unknown;
         TorrentInfo m_torrentInfo;
         QStringList m_filePaths;
+        QHash<lt::file_index_t, int> m_indexMap;
         SpeedMonitor m_speedMonitor;
 
         InfoHash m_infoHash;

src/base/bittorrent/torrentinfo.cpp

@@ -38,7 +38,6 @@
 #include <QString>
 #include <QStringList>
 #include <QUrl>
-#include <QVector>
 
 #include "base/global.h"
 #include "base/utils/fs.h"
@@ -140,7 +139,7 @@ nonstd::expected<void, QString> TorrentInfo::saveToFile(const QString &path) con
 
     try
     {
-        const auto torrentCreator = lt::create_torrent(*nativeInfo());
+        const auto torrentCreator = lt::create_torrent(*m_nativeInfo);
         const lt::entry torrentEntry = torrentCreator.generate();
         const nonstd::expected<void, QString> result = Utils::IO::saveToFile(path, torrentEntry);
         if (!result)
@@ -409,19 +408,6 @@ int TorrentInfo::fileIndex(const QString &fileName) const
     return -1;
 }
 
-QString TorrentInfo::rootFolder() const
-{
-    if (!isValid())
-        return {};
-
-    return Utils::Fs::findRootFolder(filePaths());
-}
-
-bool TorrentInfo::hasRootFolder() const
-{
-    return !rootFolder().isEmpty();
-}
-
 TorrentContentLayout TorrentInfo::contentLayout() const
 {
     if (!isValid())

src/base/bittorrent/torrentinfo.h

@@ -32,6 +32,7 @@
 
 #include <QCoreApplication>
 #include <QtContainerFwd>
+#include <QVector>
 
 #include "base/3rdparty/expected.hpp"
 #include "base/indexrange.h"
@@ -92,9 +93,6 @@ namespace BitTorrent
         PieceRange filePieces(const QString &file) const;
         PieceRange filePieces(int fileIndex) const;
 
-        QString rootFolder() const;
-        bool hasRootFolder() const;
-
         std::shared_ptr<lt::torrent_info> nativeInfo() const;
         QVector<lt::file_index_t> nativeIndexes() const;
 

src/base/net/downloadhandlerimpl.cpp

@@ -34,10 +34,13 @@
 
 #include "base/3rdparty/expected.hpp"
 #include "base/utils/fs.h"
-#include "base/utils/gzip.h"
 #include "base/utils/io.h"
 #include "base/utils/misc.h"
 
+#ifdef QT_NO_COMPRESS
+#include "base/utils/gzip.h"
+#endif
+
 const int MAX_REDIRECTIONS = 20;  // the common value for web browsers
 
 namespace
@@ -121,9 +124,13 @@ void DownloadHandlerImpl::processFinishedDownload()
     }
 
     // Success
+#ifdef QT_NO_COMPRESS
     m_result.data = (m_reply->rawHeader("Content-Encoding") == "gzip")
                     ? Utils::Gzip::decompress(m_reply->readAll())
                     : m_reply->readAll();
+#else
+    m_result.data = m_reply->readAll();
+#endif
 
     if (m_downloadRequest.saveToFile())
     {

src/base/net/downloadmanager.cpp

@@ -123,8 +123,12 @@ namespace
 
         // Spoof HTTP Referer to allow adding torrent link from Torcache/KickAssTorrents
         request.setRawHeader("Referer", request.url().toEncoded().data());
-        // Accept gzip
+#ifdef QT_NO_COMPRESS
+        // The macro "QT_NO_COMPRESS" defined in QT will disable the zlib releated features
+        // and reply data auto-decompression in QT will also be disabled. But we can support
+        // gzip encoding and manually decompress the reply data.
         request.setRawHeader("Accept-Encoding", "gzip");
+#endif
         // Qt doesn't support Magnet protocol so we need to handle redirections manually
         request.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::ManualRedirectPolicy);
 

src/base/rss/rss_parser.cpp

@@ -556,7 +556,7 @@ void Parser::parse(const QByteArray &feedData)
 // read and create items from a rss document
 void Parser::parse_impl(const QByteArray &feedData)
 {
-    QXmlStreamReader xml(feedData);
+    QXmlStreamReader xml {feedData};
     XmlStreamEntityResolver resolver;
     xml.setEntityResolver(&resolver);
     bool foundChannel = false;
@@ -591,19 +591,20 @@ void Parser::parse_impl(const QByteArray &feedData)
         xml.skipCurrentElement();
     }
 
-    if (!foundChannel)
-    {
-        m_result.error = tr("Invalid RSS feed.");
-    }
-    else if (xml.hasError())
+    if (xml.hasError())
     {
         m_result.error = tr("%1 (line: %2, column: %3, offset: %4).")
                 .arg(xml.errorString()).arg(xml.lineNumber())
                 .arg(xml.columnNumber()).arg(xml.characterOffset());
     }
+    else if (!foundChannel)
+    {
+        m_result.error = tr("Invalid RSS feed.");
+    }
 
     emit finished(m_result);
-    m_result.articles.clear(); // clear articles only
+    m_result.articles.clear();
+    m_result.error.clear();
     m_articleIDs.clear();
 }
 

src/base/torrentfileswatcher.cpp

@@ -511,7 +511,8 @@ void TorrentFilesWatcher::Worker::processFolder(const QString &path, const QStri
         if (path != watchedFolderPath)
         {
             const QString subdirPath = watchedDir.relativeFilePath(path);
-            if (addTorrentParams.useAutoTMM)
+            const bool useAutoTMM = addTorrentParams.useAutoTMM.value_or(!BitTorrent::Session::instance()->isAutoTMMDisabledByDefault());
+            if (useAutoTMM)
             {
                 addTorrentParams.category = addTorrentParams.category.isEmpty()
                         ? subdirPath : (addTorrentParams.category + QLatin1Char('/') + subdirPath);
@@ -590,7 +591,8 @@ void TorrentFilesWatcher::Worker::processFailedTorrents()
                 if (exactDirPath != dir.path())
                 {
                     const QString subdirPath = dir.relativeFilePath(exactDirPath);
-                    if (addTorrentParams.useAutoTMM)
+                    const bool useAutoTMM = addTorrentParams.useAutoTMM.value_or(!BitTorrent::Session::instance()->isAutoTMMDisabledByDefault());
+                    if (useAutoTMM)
                     {
                         addTorrentParams.category = addTorrentParams.category.isEmpty()
                                 ? subdirPath : (addTorrentParams.category + QLatin1Char('/') + subdirPath);

src/base/utils/foreignapps.cpp

@@ -127,26 +127,17 @@ namespace
 
     QString getRegValue(const HKEY handle, const QString &name = {})
     {
-        QString result;
-
+        const std::wstring nameWStr = name.toStdWString();
         DWORD type = 0;
         DWORD cbData = 0;
-        LPWSTR lpValueName = NULL;
-        if (!name.isEmpty())
-        {
-            lpValueName = new WCHAR[name.size() + 1];
-            name.toWCharArray(lpValueName);
-            lpValueName[name.size()] = 0;
-        }
 
         // Discover the size of the value
-        ::RegQueryValueExW(handle, lpValueName, NULL, &type, NULL, &cbData);
+        ::RegQueryValueExW(handle, nameWStr.c_str(), NULL, &type, NULL, &cbData);
         DWORD cBuffer = (cbData / sizeof(WCHAR)) + 1;
         LPWSTR lpData = new WCHAR[cBuffer];
-        LONG res = ::RegQueryValueExW(handle, lpValueName, NULL, &type, (LPBYTE)lpData, &cbData);
-        if (lpValueName)
-            delete[] lpValueName;
+        LONG res = ::RegQueryValueExW(handle, nameWStr.c_str(), NULL, &type, (LPBYTE)lpData, &cbData);
 
+        QString result;
         if (res == ERROR_SUCCESS)
         {
             lpData[cBuffer - 1] = 0;
@@ -185,18 +176,14 @@ namespace
             bool found = false;
             while (!found && !versions.empty())
             {
-                const QString version = versions.takeLast() + "\\InstallPath";
-                LPWSTR lpSubkey = new WCHAR[version.size() + 1];
-                version.toWCharArray(lpSubkey);
-                lpSubkey[version.size()] = 0;
+                const std::wstring version = QString(versions.takeLast() + "\\InstallPath").toStdWString();
 
                 HKEY hkInstallPath;
-                res = ::RegOpenKeyExW(hkPythonCore, lpSubkey, 0, samDesired, &hkInstallPath);
-                delete[] lpSubkey;
+                res = ::RegOpenKeyExW(hkPythonCore, version.c_str(), 0, samDesired, &hkInstallPath);
 
                 if (res == ERROR_SUCCESS)
                 {
-                    qDebug("Detected possible Python v%s location", qUtf8Printable(version));
+                    qDebug("Detected possible Python v%ls location", version.c_str());
                     path = getRegValue(hkInstallPath);
                     ::RegCloseKey(hkInstallPath);
 

src/base/utils/misc.cpp

@@ -31,6 +31,8 @@
 #include <optional>
 
 #ifdef Q_OS_WIN
+#include <memory>
+
 #include <windows.h>
 #include <powrprof.h>
 #include <Shlobj.h>
@@ -393,7 +395,7 @@ QString Utils::Misc::getUserIDString()
     const int UNLEN = 256;
     WCHAR buffer[UNLEN + 1] = {0};
     DWORD buffer_len = sizeof(buffer) / sizeof(*buffer);
-    if (GetUserNameW(buffer, &buffer_len))
+    if (::GetUserNameW(buffer, &buffer_len))
         uid = QString::fromWCharArray(buffer);
 #else
     uid = QString::number(getuid());

src/base/utils/misc.h

@@ -31,7 +31,6 @@
 #include <QtGlobal>
 
 #ifdef Q_OS_WIN
-#include <memory>
 #include <Windows.h>
 #endif
 
@@ -93,14 +92,11 @@ namespace Utils::Misc
         QString path = windowsSystemPath();
         if (!path.endsWith('\\'))
             path += '\\';
-
         path += source;
 
-        auto pathWchar = std::make_unique<wchar_t[]>(path.length() + 1);
-        path.toWCharArray(pathWchar.get());
-
+        const std::wstring pathWStr = path.toStdWString();
         return reinterpret_cast<T>(
-            ::GetProcAddress(::LoadLibraryW(pathWchar.get()), funcName));
+            ::GetProcAddress(::LoadLibraryW(pathWStr.c_str()), funcName));
     }
 #endif // Q_OS_WIN
 }

src/base/version.h.in

@@ -30,9 +30,9 @@
 
 #define QBT_VERSION_MAJOR 4
 #define QBT_VERSION_MINOR 4
-#define QBT_VERSION_BUGFIX 0
+#define QBT_VERSION_BUGFIX 4
 #define QBT_VERSION_BUILD 0
-#define QBT_VERSION_STATUS "rc1"  // Should be empty for stable releases!
+#define QBT_VERSION_STATUS ""  // Should be empty for stable releases!
 
 #define QBT__STRINGIFY(x) #x
 #define QBT_STRINGIFY(x) QBT__STRINGIFY(x)

src/gui/CMakeLists.txt

@@ -204,8 +204,10 @@ target_link_libraries(qbt_gui
 
 if (DBUS)
     target_sources(qbt_gui PRIVATE
-        qtnotify/notifications.h
-        qtnotify/notifications.cpp
+        notifications/dbusnotifier.h
+        notifications/dbusnotifier.cpp
+        notifications/dbusnotificationsinterface.h
+        notifications/dbusnotificationsinterface.cpp
         powermanagement/powermanagement_x11.h
         powermanagement/powermanagement_x11.cpp
     )

src/gui/addnewtorrentdialog.cpp

@@ -200,7 +200,7 @@ AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inP
 
     m_ui->startTorrentCheckBox->setChecked(!m_torrentParams.addPaused.value_or(session->isAddTorrentPaused()));
 
-    m_ui->comboTTM->blockSignals(true); // the TreeView size isn't correct if the slot does it job at this point
+    m_ui->comboTTM->blockSignals(true); // the TreeView size isn't correct if the slot does its job at this point
     m_ui->comboTTM->setCurrentIndex(session->isAutoTMMDisabledByDefault() ? 0 : 1);
     m_ui->comboTTM->blockSignals(false);
 
@@ -874,6 +874,8 @@ void AddNewTorrentDialog::setupTreeview()
         connect(m_ui->contentTreeView, &QAbstractItemView::clicked, m_ui->contentTreeView
                 , qOverload<const QModelIndex &>(&QAbstractItemView::edit));
         connect(m_ui->contentTreeView, &QWidget::customContextMenuRequested, this, &AddNewTorrentDialog::displayContentTreeMenu);
+        connect(m_ui->buttonSelectAll, &QPushButton::clicked, m_contentModel, &TorrentContentFilterModel::selectAll);
+        connect(m_ui->buttonSelectNone, &QPushButton::clicked, m_contentModel, &TorrentContentFilterModel::selectNone);
 
         const auto contentLayout = ((m_ui->contentLayoutComboBox->currentIndex() == 0)
                                     ? BitTorrent::detectContentLayout(m_torrentInfo.filePaths())
@@ -964,9 +966,9 @@ void AddNewTorrentDialog::TMMChanged(int index)
 
         m_ui->groupBoxDownloadPath->blockSignals(true);
         m_ui->groupBoxDownloadPath->setChecked(!downloadPath.isEmpty());
-
-        updateDiskSpaceLabel();
     }
+
+    updateDiskSpaceLabel();
 }
 
 void AddNewTorrentDialog::doNotDeleteTorrentClicked(bool checked)

src/gui/addnewtorrentdialog.ui

@@ -392,22 +392,59 @@
        </item>
       </layout>
      </widget>
-     <widget class="TorrentContentTreeView" name="contentTreeView">
-      <property name="sizePolicy">
-       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-        <horstretch>1</horstretch>
-        <verstretch>0</verstretch>
-       </sizepolicy>
-      </property>
-      <property name="contextMenuPolicy">
-       <enum>Qt::CustomContextMenu</enum>
-      </property>
-      <property name="selectionMode">
-       <enum>QAbstractItemView::ExtendedSelection</enum>
-      </property>
-      <property name="sortingEnabled">
-       <bool>true</bool>
-      </property>
+     <widget class="QWidget" name="layoutWidget">
+      <layout class="QVBoxLayout" name="verticalLayout_5">
+       <item>
+        <layout class="QHBoxLayout" name="contentFilterLayout">
+         <item>
+          <widget class="QPushButton" name="buttonSelectAll">
+           <property name="text">
+            <string>Select All</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="buttonSelectNone">
+           <property name="text">
+            <string>Select None</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="horizontalSpacer_6">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>168</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <widget class="TorrentContentTreeView" name="contentTreeView">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+           <horstretch>1</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="contextMenuPolicy">
+          <enum>Qt::CustomContextMenu</enum>
+         </property>
+         <property name="selectionMode">
+          <enum>QAbstractItemView::ExtendedSelection</enum>
+         </property>
+         <property name="sortingEnabled">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
      </widget>
     </widget>
    </item>

src/gui/advancedsettings.cpp

@@ -62,6 +62,9 @@ namespace
         // qBittorrent section
         QBITTORRENT_HEADER,
         RESUME_DATA_STORAGE,
+#if (defined(Q_OS_WIN) && defined(QBT_USES_LIBTORRENT2))
+        MEMORY_WORKING_SET_LIMIT,
+#endif
 #if defined(Q_OS_WIN)
         OS_MEMORY_PRIORITY,
 #endif
@@ -196,6 +199,10 @@ void AdvancedSettings::saveAdvancedSettings()
         break;
     }
     session->setOSMemoryPriority(prio);
+
+#ifdef QBT_USES_LIBTORRENT2
+    static_cast<Application *>(QCoreApplication::instance())->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
+#endif
 #endif
     // Async IO threads
     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
@@ -259,23 +266,14 @@ void AdvancedSettings::saveAdvancedSettings()
     pref->resolvePeerCountries(m_checkBoxResolveCountries.isChecked());
     pref->resolvePeerHostNames(m_checkBoxResolveHosts.isChecked());
     // Network interface
-    if (m_comboBoxInterface.currentIndex() == 0)
-    {
-        // All interfaces (default)
-        session->setNetworkInterface(QString());
-        session->setNetworkInterfaceName(QString());
-    }
-    else
-    {
-        session->setNetworkInterface(m_comboBoxInterface.itemData(m_comboBoxInterface.currentIndex()).toString());
-        session->setNetworkInterfaceName(m_comboBoxInterface.currentText());
-    }
-
+    session->setNetworkInterface(m_comboBoxInterface.currentData().toString());
+    session->setNetworkInterfaceName((m_comboBoxInterface.currentIndex() == 0)
+        ? QString()
+        : m_comboBoxInterface.currentText());
     // Interface address
     // Construct a QHostAddress to filter malformed strings
-    const QHostAddress ifaceAddr(m_comboBoxInterfaceAddress.currentData().toString().trimmed());
+    const QHostAddress ifaceAddr {m_comboBoxInterfaceAddress.currentData().toString()};
     session->setNetworkInterfaceAddress(ifaceAddr.toString());
-
     // Announce IP
     // Construct a QHostAddress to filter malformed strings
     const QHostAddress addr(m_lineEditAnnounceIP.text().trimmed());
@@ -343,45 +341,57 @@ void AdvancedSettings::updateSaveResumeDataIntervalSuffix(const int value)
 
 void AdvancedSettings::updateInterfaceAddressCombo()
 {
-    // Try to get the currently selected interface name
-    const QString ifaceName = m_comboBoxInterface.itemData(m_comboBoxInterface.currentIndex()).toString(); // Empty string for the first element
-    const QString currentAddress = BitTorrent::Session::instance()->networkInterfaceAddress();
-
-    // Clear all items and reinsert them, default to all
-    m_comboBoxInterfaceAddress.clear();
-    m_comboBoxInterfaceAddress.addItem(tr("All addresses"), {});
-    m_comboBoxInterfaceAddress.addItem(tr("All IPv4 addresses"), QLatin1String("0.0.0.0"));
-    m_comboBoxInterfaceAddress.addItem(tr("All IPv6 addresses"), QLatin1String("::"));
-
-    const auto populateCombo = [this](const QHostAddress &addr)
+    const auto toString = [](const QHostAddress &address) -> QString
     {
-        if (addr.protocol() == QAbstractSocket::IPv4Protocol)
-        {
-            const QString str = addr.toString();
-            m_comboBoxInterfaceAddress.addItem(str, str);
-        }
-        else if (addr.protocol() == QAbstractSocket::IPv6Protocol)
-        {
-            const QString str = Utils::Net::canonicalIPv6Addr(addr).toString();
-            m_comboBoxInterfaceAddress.addItem(str, str);
+        switch (address.protocol()) {
+        case QAbstractSocket::IPv4Protocol:
+            return address.toString();
+        case QAbstractSocket::IPv6Protocol:
+            return Utils::Net::canonicalIPv6Addr(address).toString();
+        default:
+            Q_ASSERT(false);
+            break;
         }
+        return {};
     };
 
-    if (ifaceName.isEmpty())
+    // Clear all items and reinsert them
+    m_comboBoxInterfaceAddress.clear();
+    m_comboBoxInterfaceAddress.addItem(tr("All addresses"), QString());
+    m_comboBoxInterfaceAddress.addItem(tr("All IPv4 addresses"), QHostAddress(QHostAddress::AnyIPv4).toString());
+    m_comboBoxInterfaceAddress.addItem(tr("All IPv6 addresses"), QHostAddress(QHostAddress::AnyIPv6).toString());
+
+    const QString currentIface = m_comboBoxInterface.currentData().toString();
+    if (currentIface.isEmpty())  // `any` interface
     {
-        for (const QHostAddress &addr : asConst(QNetworkInterface::allAddresses()))
-            populateCombo(addr);
+        for (const QHostAddress &address : asConst(QNetworkInterface::allAddresses()))
+        {
+            const QString addressString = toString(address);
+            m_comboBoxInterfaceAddress.addItem(addressString, addressString);
+        }
     }
     else
     {
-        const QNetworkInterface iface = QNetworkInterface::interfaceFromName(ifaceName);
-        const QList<QNetworkAddressEntry> addresses = iface.addressEntries();
+        const QList<QNetworkAddressEntry> addresses = QNetworkInterface::interfaceFromName(currentIface).addressEntries();
         for (const QNetworkAddressEntry &entry : addresses)
-            populateCombo(entry.ip());
+        {
+            const QString addressString = toString(entry.ip());
+            m_comboBoxInterfaceAddress.addItem(addressString, addressString);
+        }
     }
 
+    const QString currentAddress = BitTorrent::Session::instance()->networkInterfaceAddress();
     const int index = m_comboBoxInterfaceAddress.findData(currentAddress);
-    m_comboBoxInterfaceAddress.setCurrentIndex(std::max(index, 0));
+    if (index > -1)
+    {
+        m_comboBoxInterfaceAddress.setCurrentIndex(index);
+    }
+    else
+    {
+        // not found, for the sake of UI consistency, add such entry
+        m_comboBoxInterfaceAddress.addItem(currentAddress, currentAddress);
+        m_comboBoxInterfaceAddress.setCurrentIndex(m_comboBoxInterfaceAddress.count() - 1);
+    }
 }
 
 void AdvancedSettings::loadAdvancedSettings()
@@ -436,6 +446,17 @@ void AdvancedSettings::loadAdvancedSettings()
     addRow(OS_MEMORY_PRIORITY, (tr("Process memory priority (Windows >= 8 only)")
         + ' ' + makeLink("https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-memory_priority_information", "(?)"))
         , &m_comboBoxOSMemoryPriority);
+
+#ifdef QBT_USES_LIBTORRENT2
+    m_spinBoxMemoryWorkingSetLimit.setMinimum(1);
+    m_spinBoxMemoryWorkingSetLimit.setMaximum(std::numeric_limits<int>::max());
+    m_spinBoxMemoryWorkingSetLimit.setSuffix(tr(" MiB"));
+    m_spinBoxMemoryWorkingSetLimit.setValue(static_cast<Application *>(QCoreApplication::instance())->memoryWorkingSetLimit());
+
+    addRow(MEMORY_WORKING_SET_LIMIT, (tr("Physical memory (RAM) usage limit")
+        + ' ' + makeLink("https://wikipedia.org/wiki/Working_set", "(?)"))
+        , &m_spinBoxMemoryWorkingSetLimit);
+#endif
 #endif
 
     // Async IO threads
@@ -626,26 +647,23 @@ void AdvancedSettings::loadAdvancedSettings()
     m_checkBoxResolveHosts.setChecked(pref->resolvePeerHostNames());
     addRow(RESOLVE_HOSTS, tr("Resolve peer host names"), &m_checkBoxResolveHosts);
     // Network interface
-    m_comboBoxInterface.addItem(tr("Any interface", "i.e. Any network interface"));
-    const QString currentInterface = session->networkInterface();
-    bool interfaceExists = currentInterface.isEmpty();
-    int i = 1;
+    m_comboBoxInterface.addItem(tr("Any interface", "i.e. Any network interface"), QString());
     for (const QNetworkInterface &iface : asConst(QNetworkInterface::allInterfaces()))
-    {
         m_comboBoxInterface.addItem(iface.humanReadableName(), iface.name());
-        if (!currentInterface.isEmpty() && (iface.name() == currentInterface))
-        {
-            m_comboBoxInterface.setCurrentIndex(i);
-            interfaceExists = true;
-        }
-        ++i;
-    }
-    // Saved interface does not exist, show it anyway
-    if (!interfaceExists)
+
+    const QString currentInterface = session->networkInterface();
+    const int ifaceIndex = m_comboBoxInterface.findData(currentInterface);
+    if (ifaceIndex > -1)
     {
-        m_comboBoxInterface.addItem(session->networkInterfaceName(), currentInterface);
-        m_comboBoxInterface.setCurrentIndex(i);
+        m_comboBoxInterface.setCurrentIndex(ifaceIndex);
     }
+    else
+    {
+        // Saved interface does not exist, show it
+        m_comboBoxInterface.addItem(session->networkInterfaceName(), currentInterface);
+        m_comboBoxInterface.setCurrentIndex(m_comboBoxInterface.count() - 1);
+    }
+
     connect(&m_comboBoxInterface, qOverload<int>(&QComboBox::currentIndexChanged)
         , this, &AdvancedSettings::updateInterfaceAddressCombo);
     addRow(NETWORK_IFACE, tr("Network interface"), &m_comboBoxInterface);

src/gui/advancedsettings.h

@@ -82,6 +82,9 @@ private:
     // OS dependent settings
 #if defined(Q_OS_WIN)
     QComboBox m_comboBoxOSMemoryPriority;
+#ifdef QBT_USES_LIBTORRENT2
+    QSpinBox m_spinBoxMemoryWorkingSetLimit;
+#endif
 #endif
 
 #ifndef Q_OS_MACOS

src/gui/fspathedit.cpp

@@ -111,8 +111,12 @@ FileSystemPathEdit::FileSystemPathEditPrivate::FileSystemPathEditPrivate(
 void FileSystemPathEdit::FileSystemPathEditPrivate::browseActionTriggered()
 {
     Q_Q(FileSystemPathEdit);
+
+    const QFileInfo fileInfo {q->selectedPath()};
+    const QString directory = (m_mode == FileSystemPathEdit::Mode::DirectoryOpen) || (m_mode == FileSystemPathEdit::Mode::DirectorySave)
+            ? fileInfo.absoluteFilePath()
+            : fileInfo.absolutePath();
     QString filter = q->fileNameFilter();
-    QString directory = q->currentDirectory().isEmpty() ? QDir::homePath() : q->currentDirectory();
 
     QString selectedPath;
     switch (m_mode)
@@ -308,11 +312,6 @@ void FileSystemPathEdit::setDialogCaption(const QString &caption)
     d->m_dialogCaption = caption;
 }
 
-QString FileSystemPathEdit::currentDirectory() const
-{
-    return QFileInfo(selectedPath()).absoluteDir().absolutePath();
-}
-
 QWidget *FileSystemPathEdit::editWidgetImpl() const
 {
     Q_D(const FileSystemPathEdit);

src/gui/fspathedit.h

@@ -64,7 +64,6 @@ public:
     Mode mode() const;
     void setMode(Mode mode);
 
-    QString currentDirectory() const;
     QString selectedPath() const;
     void setSelectedPath(const QString &val);
 

src/gui/gui.pri

@@ -169,12 +169,14 @@ win32|macx {
 
 unix:!macx:dbus {
     HEADERS += \
-        $$PWD/powermanagement/powermanagement_x11.h \
-        $$PWD/qtnotify/notifications.h
+        $$PWD/notifications/dbusnotifier.h \
+        $$PWD/notifications/dbusnotificationsinterface.h \
+        $$PWD/powermanagement/powermanagement_x11.h
 
     SOURCES += \
-        $$PWD/powermanagement/powermanagement_x11.cpp \
-        $$PWD/qtnotify/notifications.cpp
+        $$PWD/notifications/dbusnotifier.cpp \
+        $$PWD/notifications/dbusnotificationsinterface.cpp \
+        $$PWD/powermanagement/powermanagement_x11.cpp
 }
 
 macx {

src/gui/macutilities.mm

@@ -104,7 +104,15 @@ namespace MacUtils
             for (const auto &path : pathsList)
                 [pathURLs addObject:[NSURL fileURLWithPath:path.toNSString()]];
 
-            [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:pathURLs];
+            // In some unknown way, the next line affects Qt's main loop causing the crash
+            // in QApplication::exec() on processing next event after this call.
+            // Even crash doesn't happen exactly after this call, it will happen on
+            // application exit. Call stack and disassembly are the same in all cases.
+            // But running it in another thread (aka in background) solves the issue.
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^
+            {
+                [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:pathURLs];
+            });
         }
     }
 

src/gui/mainwindow.cpp

@@ -48,9 +48,8 @@
 #include <QtGlobal>
 #include <QTimer>
 
-#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
-#include <QDBusConnection>
-#include "qtnotify/notifications.h"
+#ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
+#include "notifications/dbusnotifier.h"
 #endif
 
 #include "base/bittorrent/session.h"
@@ -128,7 +127,7 @@ MainWindow::MainWindow(QWidget *parent)
     , m_storeNotificationEnabled(NOTIFICATIONS_SETTINGS_KEY("Enabled"))
     , m_storeNotificationTorrentAdded(NOTIFICATIONS_SETTINGS_KEY("TorrentAdded"))
     , m_storeExecutionLogTypes(EXECUTIONLOG_SETTINGS_KEY("Types"), Log::MsgType::ALL)
-#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
+#ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
     , m_storeNotificationTimeOut(NOTIFICATIONS_SETTINGS_KEY("Timeout"))
 #endif
 {
@@ -182,6 +181,14 @@ MainWindow::MainWindow(QWidget *parent)
         m_ui->actionLock->setVisible(true);
     });
 
+#ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
+    if (isNotificationsEnabled())
+    {
+        m_notifier = new DBusNotifier(this);
+        connect(m_notifier, &DBusNotifier::messageClicked, this, &MainWindow::balloonClicked);
+    }
+#endif
+
     // Creating Bittorrent session
     updateAltSpeedsBtn(BitTorrent::Session::instance()->isAltGlobalSpeedLimitEnabled());
 
@@ -508,9 +515,25 @@ bool MainWindow::isNotificationsEnabled() const
     return m_storeNotificationEnabled.get(true);
 }
 
-void MainWindow::setNotificationsEnabled(bool value)
+void MainWindow::setNotificationsEnabled(const bool value)
 {
+    if (m_storeNotificationEnabled == value)
+        return;
+
     m_storeNotificationEnabled = value;
+
+#ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
+    if (value)
+    {
+        m_notifier = new DBusNotifier(this);
+        connect(m_notifier, &DBusNotifier::messageClicked, this, &MainWindow::balloonClicked);
+    }
+    else
+    {
+        delete m_notifier;
+        m_notifier = nullptr;
+    }
+#endif
 }
 
 bool MainWindow::isTorrentAddedNotificationsEnabled() const
@@ -968,7 +991,6 @@ void MainWindow::askRecursiveTorrentDownloadConfirmation(BitTorrent::Torrent *co
         , tr("The torrent '%1' contains torrent files, do you want to proceed with their download?").arg(torrent->name())
         , QMessageBox::NoButton, this);
     confirmBox->setAttribute(Qt::WA_DeleteOnClose);
-    confirmBox->setModal(true);
 
     const QPushButton *yes = confirmBox->addButton(tr("Yes"), QMessageBox::YesRole);
     /*QPushButton *no = */ confirmBox->addButton(tr("No"), QMessageBox::NoRole);
@@ -980,7 +1002,7 @@ void MainWindow::askRecursiveTorrentDownloadConfirmation(BitTorrent::Torrent *co
         if (button == never)
             Preferences::instance()->disableRecursiveDownload();
     });
-    confirmBox->show();
+    confirmBox->open();
 }
 
 void MainWindow::handleDownloadFromUrlFailure(const QString &url, const QString &reason) const
@@ -1235,6 +1257,7 @@ void MainWindow::closeEvent(QCloseEvent *e)
 #ifndef Q_OS_MACOS
     if (m_systrayIcon)
     {
+        m_systrayIcon->disconnect();
         m_systrayIcon->setToolTip(tr("qBittorrent is shutting down..."));
         m_trayIconMenu->setEnabled(false);
     }
@@ -1646,27 +1669,8 @@ void MainWindow::showNotificationBalloon(const QString &title, const QString &ms
     if (!isNotificationsEnabled())
         return;
 
-#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
-    OrgFreedesktopNotificationsInterface notifications(QLatin1String("org.freedesktop.Notifications")
-        , QLatin1String("/org/freedesktop/Notifications")
-        , QDBusConnection::sessionBus());
-
-    // Testing for 'notifications.isValid()' isn't helpful here.
-    // If the notification daemon is configured to run 'as needed'
-    // the above check can be false if the daemon wasn't started
-    // by another application. In this case DBus will be able to
-    // start the notification daemon and complete our request. Such
-    // a daemon is xfce4-notifyd, DBus autostarts it and after
-    // some inactivity shuts it down. Other DEs, like GNOME, choose
-    // to start their daemons at the session startup and have it sit
-    // idling for the whole session.
-    const QVariantMap hints {{QLatin1String("desktop-entry"), QLatin1String("org.qbittorrent.qBittorrent")}};
-    QDBusPendingReply<uint> reply = notifications.Notify(QLatin1String("qBittorrent"), 0
-        , QLatin1String("qbittorrent"), title, msg, {}, hints, getNotificationTimeout());
-
-    reply.waitForFinished();
-    if (!reply.isError())
-        return;
+#ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
+    m_notifier->showMessage(title, msg, getNotificationTimeout());
 #elif defined(Q_OS_MACOS)
     MacUtils::displayNotification(title, msg);
 #else
@@ -1713,7 +1717,9 @@ void MainWindow::createTrayIcon(const int retries)
         m_systrayIcon->setContextMenu(m_trayIconMenu);
 
         connect(m_systrayIcon, &QSystemTrayIcon::activated, this, &MainWindow::toggleVisibility);
+#ifndef QBT_USES_CUSTOMDBUSNOTIFICATIONS
         connect(m_systrayIcon, &QSystemTrayIcon::messageClicked, this, &MainWindow::balloonClicked);
+#endif
 
         m_systrayIcon->show();
         emit systemTrayIconCreated();
@@ -1920,6 +1926,7 @@ void MainWindow::handleUpdateCheckFinished(ProgramUpdater *updater, const bool i
         msgBox->setAttribute(Qt::WA_DeleteOnClose);
         msgBox->setAttribute(Qt::WA_ShowWithoutActivating);
         msgBox->setDefaultButton(QMessageBox::Yes);
+        msgBox->setWindowModality(Qt::NonModal);
         connect(msgBox, &QMessageBox::buttonClicked, this, [msgBox, updater](QAbstractButton *button)
         {
             if (msgBox->buttonRole(button) == QMessageBox::YesRole)
@@ -1928,7 +1935,7 @@ void MainWindow::handleUpdateCheckFinished(ProgramUpdater *updater, const bool i
             }
         });
         connect(msgBox, &QDialog::finished, this, cleanup);
-        msgBox->open();
+        msgBox->show();
     }
     else
     {
@@ -1938,8 +1945,9 @@ void MainWindow::handleUpdateCheckFinished(ProgramUpdater *updater, const bool i
                 , tr("No updates available.\nYou are already using the latest version.")
                 , QMessageBox::Ok, this};
             msgBox->setAttribute(Qt::WA_DeleteOnClose);
+            msgBox->setWindowModality(Qt::NonModal);
             connect(msgBox, &QDialog::finished, this, cleanup);
-            msgBox->open();
+            msgBox->show();
         }
         else
         {

src/gui/mainwindow.h

@@ -71,6 +71,11 @@ namespace Ui
     class MainWindow;
 }
 
+#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
+#define QBT_USES_CUSTOMDBUSNOTIFICATIONS
+class DBusNotifier;
+#endif
+
 class MainWindow final : public QMainWindow
 {
     Q_OBJECT
@@ -261,8 +266,9 @@ private:
     SettingValue<bool> m_storeNotificationTorrentAdded;
     CachedSettingValue<Log::MsgTypes> m_storeExecutionLogTypes;
 
-#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
+#ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
     SettingValue<int> m_storeNotificationTimeOut;
+    DBusNotifier *m_notifier = nullptr;
 #endif
 
 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)

src/gui/notifications/dbusnotificationsinterface.cpp

@@ -0,0 +1,74 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "dbusnotificationsinterface.h"
+
+#include <QDBusConnection>
+#include <QString>
+#include <QVariant>
+
+DBusNotificationsInterface::DBusNotificationsInterface(const QString &service
+        , const QString &path, const QDBusConnection &connection, QObject *parent)
+    : QDBusAbstractInterface(service, path, DBUS_INTERFACE_NAME, connection, parent)
+{
+}
+
+QDBusPendingReply<QStringList> DBusNotificationsInterface::getCapabilities()
+{
+    return asyncCall(QLatin1String("GetCapabilities"));
+}
+
+QDBusPendingReply<QString, QString, QString, QString> DBusNotificationsInterface::getServerInformation()
+{
+    return asyncCall(QLatin1String("GetServerInformation"));
+}
+
+QDBusReply<QString> DBusNotificationsInterface::getServerInformation(QString &vendor, QString &version, QString &specVersion)
+{
+    const QDBusMessage reply = call(QDBus::Block, QLatin1String("GetServerInformation"));
+    if ((reply.type() == QDBusMessage::ReplyMessage) && (reply.arguments().count() == 4))
+    {
+        vendor = qdbus_cast<QString>(reply.arguments().at(1));
+        version = qdbus_cast<QString>(reply.arguments().at(2));
+        specVersion = qdbus_cast<QString>(reply.arguments().at(3));
+    }
+
+    return reply;
+}
+
+QDBusPendingReply<uint> DBusNotificationsInterface::notify(const QString &appName
+        , const uint id, const QString &icon, const QString &summary, const QString &body
+        , const QStringList &actions, const QVariantMap &hints, const int timeout)
+{
+    return asyncCall(QLatin1String("Notify"), appName, id, icon, summary, body, actions, hints, timeout);
+}
+
+QDBusPendingReply<> DBusNotificationsInterface::closeNotification(const uint id)
+{
+    return asyncCall(QLatin1String("CloseNotification"), id);
+}

src/gui/notifications/dbusnotificationsinterface.h

@@ -0,0 +1,64 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QDBusAbstractInterface>
+#include <QDBusPendingReply>
+#include <QDBusReply>
+#include <QStringList>
+
+class QDBusConnection;
+class QString;
+class QVariant;
+
+class DBusNotificationsInterface final : public QDBusAbstractInterface
+{
+    Q_OBJECT
+    Q_DISABLE_COPY_MOVE(DBusNotificationsInterface)
+
+public:
+    inline static const char DBUS_INTERFACE_NAME[] = "org.freedesktop.Notifications";
+
+    DBusNotificationsInterface(const QString &service, const QString &path
+            , const QDBusConnection &connection, QObject *parent = nullptr);
+
+public slots:
+    QDBusPendingReply<QStringList> getCapabilities();
+    QDBusPendingReply<QString, QString, QString, QString> getServerInformation();
+    QDBusReply<QString> getServerInformation(QString &vendor, QString &version, QString &specVersion);
+    QDBusPendingReply<uint> notify(const QString &appName
+            , uint id, const QString &icon, const QString &summary, const QString &body
+            , const QStringList &actions, const QVariantMap &hints, int timeout);
+    QDBusPendingReply<> closeNotification(uint id);
+
+signals:
+    // Signal names must exactly match the ones from corresponding D-Bus interface
+    void ActionInvoked(uint id, const QString &action);
+    void NotificationClosed(uint id, uint reason);
+};

src/gui/notifications/dbusnotifier.cpp

@@ -0,0 +1,93 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "dbusnotifier.h"
+
+#include <QDBusConnection>
+#include <QDBusPendingCallWatcher>
+#include <QDBusPendingReply>
+
+#include "dbusnotificationsinterface.h"
+
+DBusNotifier::DBusNotifier(QObject *parent)
+    : QObject(parent)
+    , m_notificationsInterface {new DBusNotificationsInterface(QLatin1String("org.freedesktop.Notifications")
+                  , QLatin1String("/org/freedesktop/Notifications"), QDBusConnection::sessionBus(), this)}
+{
+    // Testing for 'DBusNotificationsInterface::isValid()' isn't helpful here.
+    // If the notification daemon is configured to run 'as needed'
+    // the above check can be false if the daemon wasn't started
+    // by another application. In this case DBus will be able to
+    // start the notification daemon and complete our request. Such
+    // a daemon is xfce4-notifyd, DBus autostarts it and after
+    // some inactivity shuts it down. Other DEs, like GNOME, choose
+    // to start their daemons at the session startup and have it sit
+    // idling for the whole session.
+
+    connect(m_notificationsInterface, &DBusNotificationsInterface::ActionInvoked, this, &DBusNotifier::onActionInvoked);
+    connect(m_notificationsInterface, &DBusNotificationsInterface::NotificationClosed, this, &DBusNotifier::onNotificationClosed);
+}
+
+void DBusNotifier::showMessage(const QString &title, const QString &message, const int timeout)
+{
+    // Assign "default" action to notification to make it clickable
+    const QStringList actions {QLatin1String("default"), {}};
+    const QVariantMap hints {{QLatin1String("desktop-entry"), QLatin1String("org.qbittorrent.qBittorrent")}};
+    const QDBusPendingReply<uint> reply = m_notificationsInterface->notify(QLatin1String("qBittorrent"), 0
+            , QLatin1String("qbittorrent"), title, message, actions, hints, timeout);
+    auto *watcher = new QDBusPendingCallWatcher(reply, this);
+    connect(watcher, &QDBusPendingCallWatcher::finished, this, [this](QDBusPendingCallWatcher *self)
+    {
+        const QDBusPendingReply<uint> reply = *self;
+        if (!reply.isError())
+        {
+            const uint messageID = reply.value();
+            m_activeMessages.insert(messageID);
+        }
+
+        self->deleteLater();
+    });
+}
+
+void DBusNotifier::onActionInvoked(const uint messageID, const QString &action)
+{
+    Q_UNUSED(action);
+
+    // Check whether the notification is sent by qBittorrent
+    // to avoid reacting to unrelated notifictions
+    if (m_activeMessages.contains(messageID))
+        emit messageClicked();
+}
+
+void DBusNotifier::onNotificationClosed(const uint messageID, const uint reason)
+{
+    Q_UNUSED(reason);
+
+    m_activeMessages.remove(messageID);
+}

src/gui/notifications/dbusnotifier.h

@@ -0,0 +1,56 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QSet>
+
+class DBusNotificationsInterface;
+
+class DBusNotifier final : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY_MOVE(DBusNotifier)
+
+public:
+    explicit DBusNotifier(QObject *parent = nullptr);
+
+    void showMessage(const QString &title, const QString &message, int timeout);
+
+signals:
+    void messageClicked();
+
+private:
+    void onActionInvoked(uint messageID, const QString &action);
+    void onNotificationClosed(uint messageID, uint reason);
+
+    DBusNotificationsInterface *m_notificationsInterface = nullptr;
+    QSet<uint> m_activeMessages;
+};

src/gui/optionsdialog.ui

@@ -1015,7 +1015,7 @@ Manual: Various torrent properties (e.g. save path) must be assigned manually</s
                  <item row="2" column="0">
                   <widget class="QLabel" name="labelCategoryDefaultPathChanged">
                    <property name="text">
-                    <string>When Default Save Path changed:</string>
+                    <string>When Default Save/Incomplete Path changed:</string>
                    </property>
                   </widget>
                  </item>

src/gui/properties/piecesbar.cpp

@@ -282,7 +282,7 @@ void PiecesBar::showToolTip(const QHelpEvent *e)
 
             for (int f : files)
             {
-                const QString filePath {torrentInfo.filePath(f)};
+                const QString filePath {m_torrent->filePath(f)};
                 renderer(Utils::Misc::friendlyUnit(torrentInfo.fileSize(f)), filePath);
             }
             stream << "</body></html>";

src/gui/qtnotify/notifications.cpp

@@ -1,25 +0,0 @@
-/*
- * This file was generated by qdbusxml2cpp version 0.8
- * Command line was: qdbusxml2cpp -p notifications.h:notifications.cpp notifications.xml
- *
- * qdbusxml2cpp is Copyright (C) 2020 The Qt Company Ltd.
- *
- * This is an auto-generated file.
- * This file may have been hand-edited. Look for HAND-EDIT comments
- * before re-generating it.
- */
-
-#include "notifications.h"
-
-/*
- * Implementation of interface class OrgFreedesktopNotificationsInterface
- */
-
-OrgFreedesktopNotificationsInterface::OrgFreedesktopNotificationsInterface(const QString &service, const QString &path, const QDBusConnection &connection, QObject *parent)
-    : QDBusAbstractInterface(service, path, staticInterfaceName(), connection, parent)
-{
-}
-
-OrgFreedesktopNotificationsInterface::~OrgFreedesktopNotificationsInterface()
-{
-}

src/gui/qtnotify/notifications.h

@@ -1,84 +0,0 @@
-/*
- * This file was generated by qdbusxml2cpp version 0.8
- * Command line was: qdbusxml2cpp -p notifications.h:notifications.cpp notifications.xml
- *
- * qdbusxml2cpp is Copyright (C) 2020 The Qt Company Ltd.
- *
- * This is an auto-generated file.
- * Do not edit! All changes made to it will be lost.
- */
-
-#ifndef NOTIFICATIONS_H
-#define NOTIFICATIONS_H
-
-#include <QtCore/QObject>
-#include <QtCore/QByteArray>
-#include <QtCore/QList>
-#include <QtCore/QMap>
-#include <QtCore/QString>
-#include <QtCore/QStringList>
-#include <QtCore/QVariant>
-#include <QtDBus/QtDBus>
-
-/*
- * Proxy class for interface org.freedesktop.Notifications
- */
-class OrgFreedesktopNotificationsInterface: public QDBusAbstractInterface
-{
-    Q_OBJECT
-public:
-    static inline const char *staticInterfaceName()
-    { return "org.freedesktop.Notifications"; }
-
-public:
-    OrgFreedesktopNotificationsInterface(const QString &service, const QString &path, const QDBusConnection &connection, QObject *parent = nullptr);
-
-    ~OrgFreedesktopNotificationsInterface();
-
-public Q_SLOTS: // METHODS
-    inline QDBusPendingReply<> CloseNotification(uint id)
-    {
-        QList<QVariant> argumentList;
-        argumentList << QVariant::fromValue(id);
-        return asyncCallWithArgumentList(QStringLiteral("CloseNotification"), argumentList);
-    }
-
-    inline QDBusPendingReply<QStringList> GetCapabilities()
-    {
-        QList<QVariant> argumentList;
-        return asyncCallWithArgumentList(QStringLiteral("GetCapabilities"), argumentList);
-    }
-
-    inline QDBusPendingReply<QString, QString, QString, QString> GetServerInformation()
-    {
-        QList<QVariant> argumentList;
-        return asyncCallWithArgumentList(QStringLiteral("GetServerInformation"), argumentList);
-    }
-    inline QDBusReply<QString> GetServerInformation(QString &return_vendor, QString &return_version, QString &return_spec_version)
-    {
-        QList<QVariant> argumentList;
-        QDBusMessage reply = callWithArgumentList(QDBus::Block, QStringLiteral("GetServerInformation"), argumentList);
-        if (reply.type() == QDBusMessage::ReplyMessage && reply.arguments().count() == 4) {
-            return_vendor = qdbus_cast<QString>(reply.arguments().at(1));
-            return_version = qdbus_cast<QString>(reply.arguments().at(2));
-            return_spec_version = qdbus_cast<QString>(reply.arguments().at(3));
-        }
-        return reply;
-    }
-
-    inline QDBusPendingReply<uint> Notify(const QString &app_name, uint id, const QString &icon, const QString &summary, const QString &body, const QStringList &actions, const QVariantMap &hints, int timeout)
-    {
-        QList<QVariant> argumentList;
-        argumentList << QVariant::fromValue(app_name) << QVariant::fromValue(id) << QVariant::fromValue(icon) << QVariant::fromValue(summary) << QVariant::fromValue(body) << QVariant::fromValue(actions) << QVariant::fromValue(hints) << QVariant::fromValue(timeout);
-        return asyncCallWithArgumentList(QStringLiteral("Notify"), argumentList);
-    }
-
-Q_SIGNALS: // SIGNALS
-};
-
-namespace org {
-  namespace freedesktop {
-    typedef ::OrgFreedesktopNotificationsInterface Notifications;
-  }
-}
-#endif

src/gui/qtnotify/notifications.xml

@@ -1,30 +0,0 @@
-<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
-"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
-<node>
-  <interface name="org.freedesktop.Notifications">
-    <method name="GetServerInformation">
-      <arg name="return_name" type="s" direction="out"/>
-      <arg name="return_vendor" type="s" direction="out"/>
-      <arg name="return_version" type="s" direction="out"/>
-      <arg name="return_spec_version" type="s" direction="out"/>
-    </method>
-    <method name="GetCapabilities">
-      <arg name="return_caps" type="as" direction="out"/>
-    </method>
-    <method name="CloseNotification">
-      <arg name="id" type="u" direction="in"/>
-    </method>
-    <method name="Notify">
-      <arg name="app_name" type="s" direction="in"/>
-      <arg name="id" type="u" direction="in"/>
-      <arg name="icon" type="s" direction="in"/>
-      <arg name="summary" type="s" direction="in"/>
-      <arg name="body" type="s" direction="in"/>
-      <arg name="actions" type="as" direction="in"/>
-      <arg name="hints" type="a{sv}" direction="in"/>
-      <annotation name="org.qtproject.QtDBus.QtTypeName.In6" value="QVariantMap"/>
-      <arg name="timeout" type="i" direction="in"/>
-      <arg name="return_id" type="u" direction="out"/>
-    </method>
-  </interface>
-</node>

src/gui/torrentcontentmodel.cpp

@@ -113,9 +113,9 @@ namespace
     {
         QPixmap pixmapForExtension(const QString &ext) const override
         {
-            const QString extWithDot = QLatin1Char('.') + ext;
+            const std::wstring extWStr = QString(QLatin1Char('.') + ext).toStdWString();
             SHFILEINFO sfi {};
-            HRESULT hr = ::SHGetFileInfoW(extWithDot.toStdWString().c_str(),
+            HRESULT hr = ::SHGetFileInfoW(extWStr.c_str(),
                 FILE_ATTRIBUTE_NORMAL, &sfi, sizeof(sfi), SHGFI_ICON | SHGFI_USEFILEATTRIBUTES);
             if (FAILED(hr))
                 return {};
@@ -313,7 +313,16 @@ bool TorrentContentModel::setData(const QModelIndex &index, const QVariant &valu
             item->setName(value.toString());
             break;
         case TorrentContentModelItem::COL_PRIO:
-            item->setPriority(static_cast<BitTorrent::DownloadPriority>(value.toInt()));
+            {
+                const BitTorrent::DownloadPriority previousPrio = item->priority();
+                const auto newPrio = static_cast<BitTorrent::DownloadPriority>(value.toInt());
+                item->setPriority(newPrio);
+                if ((newPrio != previousPrio) && ((newPrio == BitTorrent::DownloadPriority::Ignored)
+                        || (previousPrio == BitTorrent::DownloadPriority::Ignored)))
+                {
+                    emit filteredFilesChanged();
+                }
+            }
             break;
         default:
             return false;

src/gui/torrentoptionsdialog.cpp

@@ -519,6 +519,9 @@ void TorrentOptionsDialog::handleCategoryChanged(const int index)
         {
             const QString savePath = BitTorrent::Session::instance()->categorySavePath(m_ui->comboCategory->currentText());
             m_ui->savePath->setSelectedPath(Utils::Fs::toNativePath(savePath));
+            const QString downloadPath = BitTorrent::Session::instance()->categoryDownloadPath(m_ui->comboCategory->currentText());
+            m_ui->downloadPath->setSelectedPath(Utils::Fs::toNativePath(downloadPath));
+            m_ui->checkUseDownloadPath->setChecked(!downloadPath.isEmpty());
         }
     }
 

src/gui/transferlistwidget.cpp

@@ -331,6 +331,39 @@ QVector<BitTorrent::Torrent *> TransferListWidget::getVisibleTorrents() const
     return torrents;
 }
 
+void TransferListWidget::setSelectedTorrentsLocation()
+{
+    const QVector<BitTorrent::Torrent *> torrents = getSelectedTorrents();
+    if (torrents.isEmpty())
+        return;
+
+    const QString oldLocation = torrents[0]->savePath();
+
+    auto fileDialog = new QFileDialog(this, tr("Choose save path"), oldLocation);
+    fileDialog->setAttribute(Qt::WA_DeleteOnClose);
+    fileDialog->setFileMode(QFileDialog::Directory);
+    fileDialog->setOptions(QFileDialog::DontConfirmOverwrite | QFileDialog::ShowDirsOnly | QFileDialog::HideNameFilterDetails);
+    connect(fileDialog, &QDialog::accepted, this, [this, fileDialog]()
+    {
+        const QVector<BitTorrent::Torrent *> torrents = getSelectedTorrents();
+        if (torrents.isEmpty())
+            return;
+
+        const QString newLocation = fileDialog->selectedFiles().constFirst();
+        if (newLocation.isEmpty() || !QDir(newLocation).exists())
+            return;
+
+        // Actually move storage
+        for (BitTorrent::Torrent *const torrent : torrents)
+        {
+            torrent->setAutoTMMEnabled(false);
+            torrent->setSavePath(newLocation);
+        }
+    });
+
+    fileDialog->open();
+}
+
 void TransferListWidget::pauseAllTorrents()
 {
     for (BitTorrent::Torrent *const torrent : asConst(BitTorrent::Session::instance()->torrents()))
@@ -647,8 +680,28 @@ void TransferListWidget::setSelectedTorrentsSuperSeeding(const bool enabled) con
     }
 }
 
-void TransferListWidget::setSelectedAutoTMMEnabled(const bool enabled) const
+void TransferListWidget::setSelectedTorrentsSequentialDownload(const bool enabled) const
 {
+    for (BitTorrent::Torrent *const torrent : asConst(getSelectedTorrents()))
+        torrent->setSequentialDownload(enabled);
+}
+
+void TransferListWidget::setSelectedFirstLastPiecePrio(const bool enabled) const
+{
+    for (BitTorrent::Torrent *const torrent : asConst(getSelectedTorrents()))
+        torrent->setFirstLastPiecePriority(enabled);
+}
+
+void TransferListWidget::setSelectedAutoTMMEnabled(const bool enabled)
+{
+    if (enabled)
+    {
+        const QMessageBox::StandardButton btn = QMessageBox::question(this, tr("Enable automatic torrent management")
+                , tr("Are you sure you want to enable Automatic Torrent Management for the selected torrent(s)? They may be relocated.")
+                , (QMessageBox::Yes | QMessageBox::No), QMessageBox::Yes);
+        if (btn != QMessageBox::Yes) return;
+    }
+
     for (BitTorrent::Torrent *const torrent : asConst(getSelectedTorrents()))
         torrent->setAutoTMMEnabled(enabled);
 }
@@ -796,6 +849,7 @@ void TransferListWidget::displayListMenu(const QPoint &)
 
     auto *listMenu = new QMenu(this);
     listMenu->setAttribute(Qt::WA_DeleteOnClose);
+    listMenu->setToolTipsVisible(true);
 
     // Create actions
 
@@ -821,6 +875,8 @@ void TransferListWidget::displayListMenu(const QPoint &)
     connect(actionTopQueuePos, &QAction::triggered, this, &TransferListWidget::topQueuePosSelectedTorrents);
     auto *actionBottomQueuePos = new QAction(UIThemeManager::instance()->getIcon("go-bottom"), tr("Move to bottom", "i.e. Move to bottom of the queue"), listMenu);
     connect(actionBottomQueuePos, &QAction::triggered, this, &TransferListWidget::bottomQueuePosSelectedTorrents);
+    auto *actionSetTorrentPath = new QAction(UIThemeManager::instance()->getIcon("inode-directory"), tr("Set location..."), listMenu);
+    connect(actionSetTorrentPath, &QAction::triggered, this, &TransferListWidget::setSelectedTorrentsLocation);
     auto *actionForceRecheck = new QAction(UIThemeManager::instance()->getIcon("document-edit-verify"), tr("Force recheck"), listMenu);
     connect(actionForceRecheck, &QAction::triggered, this, &TransferListWidget::recheckSelectedTorrents);
     auto *actionForceReannounce = new QAction(UIThemeManager::instance()->getIcon("document-edit-verify"), tr("Force reannounce"), listMenu);
@@ -839,6 +895,13 @@ void TransferListWidget::displayListMenu(const QPoint &)
     connect(actionSuperSeedingMode, &QAction::triggered, this, &TransferListWidget::setSelectedTorrentsSuperSeeding);
     auto *actionRename = new QAction(UIThemeManager::instance()->getIcon("edit-rename"), tr("Rename..."), listMenu);
     connect(actionRename, &QAction::triggered, this, &TransferListWidget::renameSelectedTorrent);
+    auto *actionSequentialDownload = new TriStateAction(tr("Download in sequential order"), listMenu);
+    connect(actionSequentialDownload, &QAction::triggered, this, &TransferListWidget::setSelectedTorrentsSequentialDownload);
+    auto *actionFirstLastPiecePrio = new TriStateAction(tr("Download first and last pieces first"), listMenu);
+    connect(actionFirstLastPiecePrio, &QAction::triggered, this, &TransferListWidget::setSelectedFirstLastPiecePrio);
+    auto *actionAutoTMM = new TriStateAction(tr("Automatic Torrent Management"), listMenu);
+    actionAutoTMM->setToolTip(tr("Automatic mode means that various torrent properties (e.g. save path) will be decided by the associated category"));
+    connect(actionAutoTMM, &QAction::triggered, this, &TransferListWidget::setSelectedAutoTMMEnabled);
     auto *actionEditTracker = new QAction(UIThemeManager::instance()->getIcon("edit-rename"), tr("Edit trackers..."), listMenu);
     connect(actionEditTracker, &QAction::triggered, this, &TransferListWidget::editTorrentTrackers);
     // End of actions
@@ -851,6 +914,8 @@ void TransferListWidget::displayListMenu(const QPoint &)
     bool sequentialDownloadMode = false, prioritizeFirstLast = false;
     bool oneHasMetadata = false, oneNotSeed = false;
     bool allSameCategory = true;
+    bool allSameAutoTMM = true;
+    bool firstAutoTMM = false;
     QString firstCategory;
     bool first = true;
     TagSet tagsInAny;
@@ -874,6 +939,7 @@ void TransferListWidget::displayListMenu(const QPoint &)
 
         if (first)
         {
+            firstAutoTMM = torrent->isAutoTMMEnabled();
             tagsInAll = torrentTags;
         }
         else
@@ -881,6 +947,9 @@ void TransferListWidget::displayListMenu(const QPoint &)
             tagsInAll.intersect(torrentTags);
         }
 
+        if (firstAutoTMM != torrent->isAutoTMMEnabled())
+             allSameAutoTMM = false;
+
         if (torrent->hasMetadata())
             oneHasMetadata = true;
         if (!torrent->isSeed())
@@ -940,7 +1009,7 @@ void TransferListWidget::displayListMenu(const QPoint &)
 
         if (oneHasMetadata && oneNotSeed && !allSameSequentialDownloadMode
             && !allSamePrioFirstlast && !allSameSuperSeeding && !allSameCategory
-            && needsStart && needsForce && needsPause && needsPreview
+            && needsStart && needsForce && needsPause && needsPreview && !allSameAutoTMM
             && hasInfohashV1 && hasInfohashV2)
         {
             break;
@@ -956,10 +1025,36 @@ void TransferListWidget::displayListMenu(const QPoint &)
     listMenu->addSeparator();
     listMenu->addAction(actionDelete);
     listMenu->addSeparator();
+    listMenu->addAction(actionSetTorrentPath);
     if (selectedIndexes.size() == 1)
         listMenu->addAction(actionRename);
     listMenu->addAction(actionEditTracker);
 
+    // Category Menu
+    QStringList categories = BitTorrent::Session::instance()->categories();
+    std::sort(categories.begin(), categories.end(), Utils::Compare::NaturalLessThan<Qt::CaseInsensitive>());
+
+    QMenu *categoryMenu = listMenu->addMenu(UIThemeManager::instance()->getIcon("view-categories"), tr("Category"));
+
+    categoryMenu->addAction(UIThemeManager::instance()->getIcon("list-add"), tr("New...", "New category...")
+        , this, &TransferListWidget::askNewCategoryForSelection);
+    categoryMenu->addAction(UIThemeManager::instance()->getIcon("edit-clear"), tr("Reset", "Reset category")
+        , this, [this]() { setSelectionCategory(""); });
+    categoryMenu->addSeparator();
+
+    for (const QString &category : asConst(categories))
+    {
+        const QString escapedCategory = QString(category).replace('&', "&&");  // avoid '&' becomes accelerator key
+        QAction *categoryAction = categoryMenu->addAction(UIThemeManager::instance()->getIcon("inode-directory"), escapedCategory
+            , this, [this, category]() { setSelectionCategory(category); });
+
+        if (allSameCategory && (category == firstCategory))
+        {
+            categoryAction->setCheckable(true);
+            categoryAction->setChecked(true);
+        }
+    }
+
     // Tag Menu
     QStringList tags(BitTorrent::Session::instance()->tags().values());
     std::sort(tags.begin(), tags.end(), Utils::Compare::NaturalLessThan<Qt::CaseInsensitive>());
@@ -998,6 +1093,11 @@ void TransferListWidget::displayListMenu(const QPoint &)
         tagsMenu->addAction(action);
     }
 
+    actionAutoTMM->setCheckState(allSameAutoTMM
+        ? (firstAutoTMM ? Qt::Checked : Qt::Unchecked)
+        : Qt::PartiallyChecked);
+    listMenu->addAction(actionAutoTMM);
+
     listMenu->addSeparator();
     listMenu->addAction(actionTorrentOptions);
     if (!oneNotSeed && oneHasMetadata)
@@ -1015,7 +1115,19 @@ void TransferListWidget::displayListMenu(const QPoint &)
         addedPreviewAction = true;
     }
     if (oneNotSeed)
+    {
+        actionSequentialDownload->setCheckState(allSameSequentialDownloadMode
+            ? (sequentialDownloadMode ? Qt::Checked : Qt::Unchecked)
+            : Qt::PartiallyChecked);
+        listMenu->addAction(actionSequentialDownload);
+
+        actionFirstLastPiecePrio->setCheckState(allSamePrioFirstlast
+            ? (prioritizeFirstLast ? Qt::Checked : Qt::Unchecked)
+            : Qt::PartiallyChecked);
+        listMenu->addAction(actionFirstLastPiecePrio);
+
         addedPreviewAction = true;
+    }
 
     if (addedPreviewAction)
         listMenu->addSeparator();

src/gui/transferlistwidget.h

@@ -65,6 +65,7 @@ public slots:
     void addSelectionTag(const QString &tag);
     void removeSelectionTag(const QString &tag);
     void clearSelectionTags();
+    void setSelectedTorrentsLocation();
     void pauseAllTorrents();
     void resumeAllTorrents();
     void startSelectedTorrents();
@@ -90,7 +91,7 @@ public slots:
     void setTorrentOptions();
     void previewSelectedTorrents();
     void hideQueuePosColumn(bool hide);
-    void displayDLHoSMenu(const QPoint&);
+    void displayDLHoSMenu(const QPoint &);
     void applyNameFilter(const QString &name);
     void applyStatusFilter(int f);
     void applyCategoryFilter(const QString &category);
@@ -108,7 +109,9 @@ private slots:
     void displayListMenu(const QPoint &);
     void currentChanged(const QModelIndex &current, const QModelIndex&) override;
     void setSelectedTorrentsSuperSeeding(bool enabled) const;
-    void setSelectedAutoTMMEnabled(bool enabled) const;
+    void setSelectedTorrentsSequentialDownload(bool enabled) const;
+    void setSelectedFirstLastPiecePrio(bool enabled) const;
+    void setSelectedAutoTMMEnabled(bool enabled);
     void askNewCategoryForSelection();
     void saveSettings();
 

src/gui/utils.cpp

@@ -44,6 +44,7 @@
 #include <QRegularExpression>
 #include <QScreen>
 #include <QStyle>
+#include <QThread>
 #include <QUrl>
 #include <QWidget>
 #include <QWindow>
@@ -167,15 +168,23 @@ void Utils::Gui::openFolderSelect(const QString &absolutePath)
     }
 
 #ifdef Q_OS_WIN
-    HRESULT hresult = ::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
-    PIDLIST_ABSOLUTE pidl = ::ILCreateFromPathW(reinterpret_cast<PCTSTR>(Utils::Fs::toNativePath(path).utf16()));
-    if (pidl)
+    auto *thread = QThread::create([path]()
     {
-        ::SHOpenFolderAndSelectItems(pidl, 0, nullptr, 0);
-        ::ILFree(pidl);
-    }
-    if ((hresult == S_OK) || (hresult == S_FALSE))
-        ::CoUninitialize();
+        if (SUCCEEDED(::CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE)))
+        {
+            const std::wstring pathWStr = Utils::Fs::toNativePath(path).toStdWString();
+            PIDLIST_ABSOLUTE pidl = ::ILCreateFromPathW(pathWStr.c_str());
+            if (pidl)
+            {
+                ::SHOpenFolderAndSelectItems(pidl, 0, nullptr, 0);
+                ::ILFree(pidl);
+            }
+
+            ::CoUninitialize();
+        }
+    });
+    QObject::connect(thread, &QThread::finished, thread, &QObject::deleteLater);
+    thread->start();
 #elif defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)
     QProcess proc;
     proc.start("xdg-mime", {"query", "default", "inode/directory"});