Bump to 4.3.3

`QStorageInfo::bytesAvailable()` is guaranteed to return `-1` for an
invalid path.
https://doc.qt.io/qt-5/qstorageinfo.html#bytesAvailable

.github/workflows/ci.yaml

@@ -72,7 +72,7 @@ jobs:
     - name: upload artifact as zip
       uses: actions/upload-artifact@v2
       with:
-        name: qBittorrent-CI-Ubuntu_${{ matrix.os }}-${{ matrix.qbt_gui }}
+        name: qBittorrent-CI_${{ matrix.os }}-x64_${{ matrix.qbt_gui }}
         path: |
           build/compile_commands.json
           build/target_graph.dot
@@ -151,7 +151,7 @@ jobs:
     - name: upload artifact as zip
       uses: actions/upload-artifact@v2
       with:
-        name: qBittorrent-CI-Windows_x64-static-release
+        name: qBittorrent-CI_Windows-x64
         path: |
           build/compile_commands.json
           build/target_graph.dot
@@ -200,10 +200,10 @@ jobs:
           -Value "set(VCPKG_BUILD_TYPE release)","set(VCPKG_OSX_DEPLOYMENT_TARGET 10.15)"
 
     # NOTE: Avoids a libtorrent ABI issue. See https://github.com/arvidn/libtorrent/issues/4965
-    - name: force AppleClang to compile libtorrent with C++14
+    - name: force AppleClang to compile libtorrent with C++17
       run: |
         (Get-Content -path ${{ env.RUNVCPKG_VCPKG_ROOT }}/ports/libtorrent/portfile.cmake).Replace( `
-          '${FEATURE_OPTIONS}', '${FEATURE_OPTIONS} -DCMAKE_CXX_STANDARD=14') `
+          '${FEATURE_OPTIONS}', '${FEATURE_OPTIONS} -DCMAKE_CXX_STANDARD=17') `
           | Set-Content -Path ${{ env.RUNVCPKG_VCPKG_ROOT }}/ports/libtorrent/portfile.cmake
 
     - name: install dependencies via vcpkg
@@ -236,7 +236,7 @@ jobs:
     - name: upload artifact as zip
       uses: actions/upload-artifact@v2
       with:
-        name: qBittorrent-CI-macOS_x64-static-release_${{ matrix.qbt_gui }}
+        name: qBittorrent-CI_macOS_${{ matrix.qbt_gui }}
         path: |
           build/compile_commands.json
           build/target_graph.dot

.github/workflows/file_health.sh

@@ -12,6 +12,7 @@ regressions=0
 exclusions_nonutf8='(.*(7z|gif|ic(ns|o)|png|qm|zip))'
 exclusions_bom='src/base/unicodestrings.h'
 exclusions_tw='(*.ts)|src/webui/www/private/scripts/lib/mootools-1.2-more.js'
+exclusions_trailing_newline='configure'
 exclusions_no_lf='(*.ts)|(.*svg)|compile_commands.json|src/webui/www/private/scripts/lib/mootools-1.2-(core-yc.js|more.js)'
 
 echo -e "\n*** Detect files not encoded in UTF-8 ***\n"
@@ -50,6 +51,7 @@ echo -e "\n*** Detect too many trailing newlines ***\n"
 
 find . -path ./build -prune -false -o -path ./.git -prune -false -o -type f -exec file --mime {} \; | sort \
     | grep -e "charset=us-ascii" -e "charset=utf-8" | cut -d ":" -f 1 \
+    | grep -E -v -e "${exclusions_trailing_newline}" \
     | xargs -L1 -I my_input bash -c 'test "$(tail -q -c2 "my_input" | hexdump -C | grep "0a 0a")" && echo "my_input"' \
     | tee >(echo -e "--> Too many trailing newlines: found" "$(wc -l < /dev/stdin)" "regression(s)\n") \
     | xargs -I my_input -0 bash -c 'echo "my_input"; test "$(echo -n "my_input" | wc -l)" -eq 0'

.gitignore

@@ -4,6 +4,7 @@ src/qbittorrent
 src/qbittorrent-nox
 src/release
 src/debug
+src/base/version.h
 CMakeLists.txt.user*
 qbittorrent.pro.user*
 conf.pri

.travis.yml

@@ -129,7 +129,7 @@ install:
 
       cmake \
         -DCMAKE_BUILD_TYPE=Release \
-        -DCMAKE_CXX_STANDARD=14 \
+        -DCMAKE_CXX_STANDARD=17 \
         -Ddeprecated-functions=OFF \
         -DOPENSSL_ROOT_DIR="$openssl_root_path" \
         ./
@@ -145,7 +145,7 @@ install:
 
       cmake \
         -DCMAKE_BUILD_TYPE=Release \
-        -DCMAKE_CXX_STANDARD=14 \
+        -DCMAKE_CXX_STANDARD=17 \
         -Ddeprecated-functions=ON \
         -DOPENSSL_ROOT_DIR="$openssl_root_path" \
         ./

CMakeLists.txt

@@ -3,7 +3,6 @@ cmake_minimum_required(VERSION 3.16 FATAL_ERROR) # Policies <= CMP0097 default t
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)
 
 project(qBittorrent
-    VERSION 4.3.2.0
     DESCRIPTION "The qBittorrent BitTorrent client"
     HOMEPAGE_URL "https://www.qbittorrent.org/"
     LANGUAGES CXX
@@ -51,8 +50,6 @@ elseif (MSVC)
     feature_option(MSVC_RUNTIME_DYNAMIC "Use MSVC dynamic runtime library (-MD) instead of static (-MT)" ON)
 endif()
 
-set(QBT_VER_STATUS "alpha1" CACHE STRING "Project status version. Should be empty for release builds.")
-
 include(GNUInstallDirs)
 add_subdirectory(src)
 add_subdirectory(dist)
@@ -62,3 +59,7 @@ if (VERBOSE_CONFIGURE)
 else()
     feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES)
 endif()
+
+# Generate version header
+file(READ "src/base/version.h.in" versionHeader)
+file(WRITE "src/base/version.h" "${versionHeader}")

Changelog

@@ -1,3 +1,21 @@
+Tue Jan 19 2021 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.3.3
+    - FEATURE: New languages: Azerbaijani, Estonian
+    - BUGFIX: Unify global speed dialogs for normal/alternative speeds (thalieht)
+    - BUGFIX: Increase maximum global speed limits ~2 GiB/s (thalieht)
+    - BUGFIX: Save fastresume when setting torrent speed limits (thalieht)
+    - BUGFIX: Group several torrent options into one dialog (thalieht)
+    - BUGFIX: Capitalize locale names (Chocobo1)
+    - BUGFIX: Improve content file/folder names handling (glassez)
+    - BUGFIX: Drop notification about move storage finished or failed (glassez)
+    - BUGFIX: Reload "missing files" torrent instead of re-checking (glassez)
+    - BUGFIX: Remember dialog sizes (Chocobo1)
+    - BUGFIX: Improve detection of file extension string (Chocobo1)
+    - WEBUI: Don't call non-existent elements (glassez)
+    - WEBUI: Update "Keep top-level folder" in WebUI options (thalieht)
+    - MACOS: QMake: Raise minimal macOS target version to 10.14 (glassez)
+    - LINUX: Use legacy 'data' directory only as a fallback (lbilli)
+    - OTHER: Bump project requirement to C++17 (Chocobo1)
+
 Sun Dec 27 2020 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.3.2
     - FEATURE: Allow to add root folder to torrent content (glassez)
     - FEATURE: "HTTPS tracker validation" option is available on all platforms with latest libtorrent (Chocobo1)

build_dist.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# get version numbers
+versionSrc="src/base/version.h.in"
+versionMajor="$(grep -Po '(?<=QBT_VERSION_MAJOR )\d+' "$versionSrc")"
+versionMinor="$(grep -Po '(?<=QBT_VERSION_MINOR )\d+' "$versionSrc")"
+versionBugfix="$(grep -Po '(?<=QBT_VERSION_BUGFIX )\d+' "$versionSrc")"
+versionBuild="$(grep -Po '(?<=QBT_VERSION_BUILD )\d+' "$versionSrc")"
+versionStatus="$(grep -Po '(?<=QBT_VERSION_STATUS ")\w+' "$versionSrc")"
+
+if [ "$versionBuild" != "0" ]; then
+    projectVersion="$versionMajor.$versionMinor.$versionBugfix.$versionBuild$versionStatus"
+else
+    projectVersion="$versionMajor.$versionMinor.$versionBugfix$versionStatus"
+fi
+
+# pack archives
+git archive --format=tar --prefix="qbittorrent-$projectVersion/" HEAD | gzip -9 > "qbittorrent-$projectVersion.tar.gz"
+git archive --format=tar --prefix="qbittorrent-$projectVersion/" HEAD | xz -9 > "qbittorrent-$projectVersion.tar.xz"

cmake/Modules/MacroQbtCommonConfig.cmake

@@ -7,47 +7,16 @@ macro(qbt_common_config)
     # treat value specified by the CXX_STANDARD target property as a requirement by default
     set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-    # these definitions are only needed for calls to
-    # lt::generate_fingerprint and for the qbittorrent.rc file on Windows
-    add_library(qbt_version_definitions INTERFACE)
-
-    target_compile_definitions(qbt_version_definitions INTERFACE
-        QBT_VERSION_MAJOR=${qBittorrent_VERSION_MAJOR}
-        QBT_VERSION_MINOR=${qBittorrent_VERSION_MINOR}
-        QBT_VERSION_BUGFIX=${qBittorrent_VERSION_PATCH}
-        QBT_VERSION_BUILD=${qBittorrent_VERSION_TWEAK}
-    )
-
     add_library(qbt_common_cfg INTERFACE)
 
-    # Full C++ 14 support is required
+    # Full C++ 17 support is required
     # See also https://cmake.org/cmake/help/latest/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html
     # for a breakdown of the features that CMake recognizes for each C++ standard
     target_compile_features(qbt_common_cfg INTERFACE
-        cxx_std_14
-        cxx_aggregate_default_initializers
-        cxx_attribute_deprecated
-        cxx_binary_literals
-        cxx_contextual_conversions
-        cxx_decltype_auto
-        cxx_digit_separators
-        cxx_generic_lambdas
-        cxx_lambda_init_captures
-        cxx_relaxed_constexpr
-        cxx_return_type_deduction
-        cxx_variable_templates
+        cxx_std_17
     )
 
-    set(QBT_PROJECT_VERSION "${qBittorrent_VERSION_MAJOR}.${qBittorrent_VERSION_MINOR}.${qBittorrent_VERSION_PATCH}")
-    if (NOT ${qBittorrent_VERSION_TWEAK} EQUAL 0)
-        set(QBT_PROJECT_VERSION "${QBT_PROJECT_VERSION}.${qBittorrent_VERSION_TWEAK}")
-    endif()
-
-    set(QBT_FULL_VERSION "${QBT_PROJECT_VERSION}${QBT_VER_STATUS}")
-
     target_compile_definitions(qbt_common_cfg INTERFACE
-        QBT_VERSION="v${QBT_FULL_VERSION}"
-        QBT_VERSION_2="${QBT_FULL_VERSION}"
         QT_DEPRECATED_WARNINGS
         QT_NO_CAST_TO_ASCII
         QT_NO_CAST_FROM_BYTEARRAY
@@ -90,6 +59,12 @@ macro(qbt_common_config)
         endif()
     endif()
 
+    if ((CXX_COMPILER_ID STREQUAL "Clang") OR (CXX_COMPILER_ID STREQUAL "AppleClang"))
+        target_compile_options(qbt_common_cfg INTERFACE
+            -Wno-range-loop-analysis
+        )
+    endif()
+
     if (MINGW)
         target_link_options(qbt_common_cfg INTERFACE $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:LINKER:--dynamicbase>)
     endif()
@@ -101,8 +76,12 @@ macro(qbt_common_config)
     endif()
 
     if (MSVC)
-        target_compile_options(qbt_common_cfg INTERFACE /guard:cf)
-        target_link_options(qbt_common_cfg INTERFACE /guard:cf
+        target_compile_options(qbt_common_cfg INTERFACE
+            /guard:cf
+            /utf-8
+        )
+        target_link_options(qbt_common_cfg INTERFACE
+            /guard:cf
             $<$<NOT:$<CONFIG:Debug>>:/OPT:REF /OPT:ICF>
             # suppress linking warning due to /INCREMENTAL and /OPT:ICF being both ON
             $<$<CONFIG:RelWithDebInfo>:/INCREMENTAL:NO>

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([qbittorrent], [v4.3.2], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
+AC_INIT([qbittorrent], [v4.3.3], [bugs.qbittorrent.org], [], [https://www.qbittorrent.org/])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 : ${CFLAGS=""}
@@ -194,34 +194,34 @@ PKG_CHECK_MODULES(zlib,
                  [CXXFLAGS="$zlib_CFLAGS $CXXFLAGS"
                  LIBS="$zlib_LIBS $LIBS"])
 
-# Check if already in >= C++14 mode because of the flags returned by one of the above packages
+# Check if already in >= C++17 mode because of the flags returned by one of the above packages
 TMP_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=""
-AC_MSG_CHECKING([if compiler defaults to C++14 or later mode])
-AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
+AC_MSG_CHECKING([if compiler defaults to C++17 or later mode])
+AC_COMPILE_IFELSE([DETECT_CPP17_PROGRAM()],
                   [AC_MSG_RESULT([yes])
-                   QBT_CXX14_FOUND="yes"],
+                   QBT_CXX17_FOUND="yes"],
                   [AC_MSG_RESULT([no])
-                   QBT_CXX14_FOUND="no"])
+                   QBT_CXX17_FOUND="no"])
 
-# In case of no, check if the compiler can support at least C++14
+# In case of no, check if the compiler can support at least C++17
 # and if yes, enable it leaving a warning to the user
-AS_IF([test "x$QBT_CXX14_FOUND" = "xno"],
-      [AC_MSG_CHECKING([if compiler supports C++14])
-       CXXFLAGS="-std=c++14"
-       AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
+AS_IF([test "x$QBT_CXX17_FOUND" = "xno"],
+      [AC_MSG_CHECKING([if compiler supports C++17])
+       CXXFLAGS="-std=c++17"
+       AC_COMPILE_IFELSE([DETECT_CPP17_PROGRAM()],
                         [AC_MSG_RESULT([yes])
-                         AC_MSG_CHECKING([if C++14 is disabled by the set compiler flags])
+                         AC_MSG_CHECKING([if C++17 is disabled by the set compiler flags])
                          # prepend the flag so it won't override conflicting user defined flags
-                         CXXFLAGS="-std=c++14 $TMP_CXXFLAGS"
-                         AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
+                         CXXFLAGS="-std=c++17 $TMP_CXXFLAGS"
+                         AC_COMPILE_IFELSE([DETECT_CPP17_PROGRAM()],
                                            [AC_MSG_RESULT([no])
-                                            QBT_ADD_CONFIG="$QBT_ADD_CONFIG c++14"
-                                            AC_MSG_WARN([C++14 mode is now force enabled. The C++ mode should match the mode that other libraries were built with, otherwise you'll likely get linking errors.])],
+                                            QBT_ADD_CONFIG="$QBT_ADD_CONFIG c++1z"
+                                            AC_MSG_WARN([C++17 mode is now force enabled. The C++ mode should match the mode that other libraries were built with, otherwise you'll likely get linking errors.])],
                                            [AC_MSG_RESULT([yes])
-                                            AC_MSG_ERROR([The compiler supports C++14 but the user or a dependency has explicitly enabled a lower mode.])])],
+                                            AC_MSG_ERROR([The compiler supports C++17 but the user or a dependency has explicitly enabled a lower mode.])])],
                         [AC_MSG_RESULT([no])
-                         AC_MSG_ERROR([A compiler supporting C++14 is required.])])
+                         AC_MSG_ERROR([A compiler supporting C++17 is required.])])
       ])
 CXXFLAGS="$TMP_CXXFLAGS"
 
@@ -272,9 +272,13 @@ AC_SUBST(QBT_REMOVE_CONFIG)
 AC_SUBST(QBT_ADD_DEFINES)
 AC_SUBST(QBT_REMOVE_DEFINES)
 
-AC_OUTPUT(conf.pri)
+QBT_CONFIG_FILES="conf.pri"
+
 AS_IF([test "x$enable_systemd" = "xyes"],
-      [AC_OUTPUT(dist/unix/systemd/qbittorrent-nox@.service)])
+      [QBT_CONFIG_FILES="$QBT_CONFIG_FILES dist/unix/systemd/qbittorrent-nox@.service"])
+
+AC_CONFIG_FILES(["$QBT_CONFIG_FILES"])
+AC_OUTPUT
 
 AC_MSG_NOTICE([Running qmake to generate the makefile...])
 TOPDIR="$(cd "$(dirname "$0")" && pwd)"

dist/mac/Info.plist

@@ -55,7 +55,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.3.2</string>
+	<string>4.3.3</string>
 	<key>CFBundleExecutable</key>
 	<string>@EXECUTABLE@</string>
 	<key>CFBundleIdentifier</key>
@@ -67,7 +67,7 @@
 	<key>NSAppleScriptEnabled</key>
 	<string>YES</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2006-2020 The qBittorrent project</string>
+	<string>Copyright © 2006-2021 The qBittorrent project</string>
 	<key>UTExportedTypeDeclarations</key>
 	<array>
 		<dict>

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="4.3.2" date="2020-12-27"/>
+    <release version="4.3.3" date="2021-01-19"/>
   </releases>
 </component>

dist/unix/org.qbittorrent.qBittorrent.desktop

@@ -12,6 +12,9 @@ StartupNotify=false
 StartupWMClass=qbittorrent
 Keywords=bittorrent;torrent;magnet;download;p2p;
 
+# Translations
+
+
 # Translations
 Comment[oc]=Telecargar e partejar de fichièrs amb BitTorrent
 GenericName[oc]=Client BitTorrent
@@ -85,6 +88,9 @@ Name[hr]=qBittorrent
 Comment[hu]=Fájlok letöltése és megosztása a BitTorrent hálózaton keresztül
 GenericName[hu]=BitTorrent kliens
 Name[hu]=qBittorrent
+Comment[hy]=Նիշքերի փոխանցում BitTorrent-ի միջոցով
+GenericName[hy]=BitTorrent սպասառու
+Name[hy]=qBittorrent
 Comment[id]=Unduh dan berbagi berkas melalui BitTorrent
 GenericName[id]=Klien BitTorrent
 Name[id]=qBittorrent
@@ -100,8 +106,8 @@ Name[ja]=qBittorrent
 Comment[ka]=ჩამოტვირთე და გააზიარე ფაილები Bittorrent-ის საშუალებით
 GenericName[ka]=BitTorrent კლიენტი
 Name[ka]=qBittorrent
-Comment[ko]=비트토런트를 통해 파일을 받고 공유합니다
-GenericName[ko]=비트토런트 클라이언트
+Comment[ko]=비트토렌트를 통해 파일을 받고 공유합니다
+GenericName[ko]=비트토렌트 클라이언트
 Name[ko]=qBittorrent
 Comment[zh]=通过 BitTorrent 下载和分享文件
 GenericName[zh]=BitTorrent 客户端
@@ -189,8 +195,8 @@ Name[ms_MY]=qBittorrent
 Comment[eo]=Elŝutu kaj kunhavigu dosierojn per BitTorrent
 GenericName[eo]=BitTorrent-kliento
 Name[eo]=qBittorrent
-Comment[mn_MN]=BitTorrent ашиглан файлуудыг татаж түгээх
-GenericName[mn_MN]=BitTorrent үйлчлүүлэгч
+Comment[mn_MN]=BitTorrent-оор файлуудаа тат, түгээ
+GenericName[mn_MN]=BitTorrent татагч
 Name[mn_MN]=qBittorrent
 Comment[ta]=BitTorrent வழியாக கோப்புகளை பதிவிறக்க மற்றும் பகிர
 GenericName[ta]=BitTorrent வாடிக்கையாளர்

dist/windows/options.nsi

@@ -28,7 +28,7 @@ XPStyle on
 !define CSIDL_LOCALAPPDATA '0x1C' ;Local Application Data path
 
 ; Program specific
-!define PROG_VERSION "4.3.2"
+!define PROG_VERSION "4.3.3"
 
 !define MUI_FINISHPAGE_RUN
 !define MUI_FINISHPAGE_RUN_FUNCTION PageFinishRun
@@ -51,7 +51,7 @@ XPStyle on
 ;Installer Version Information
 VIAddVersionKey "ProductName" "qBittorrent"
 VIAddVersionKey "CompanyName" "The qBittorrent project"
-VIAddVersionKey "LegalCopyright" "Copyright ©2006-2020 The qBittorrent project"
+VIAddVersionKey "LegalCopyright" "Copyright ©2006-2021 The qBittorrent project"
 VIAddVersionKey "FileDescription" "qBittorrent - A Bittorrent Client"
 VIAddVersionKey "FileVersion" "${PROG_VERSION}"
 

m4/qbittorrent.m4

@@ -37,15 +37,15 @@ AC_DEFUN([FIND_QTDBUS],
                          HAVE_QTDBUS=[false]])
 ])
 
-# DETECT_CPP14_PROGRAM()
-# Detects if at least C++14 mode is enabled.
+# DETECT_CPP17_PROGRAM()
+# Detects if at least C++17 mode is enabled.
 # --------------------------------------
-AC_DEFUN([DETECT_CPP14_PROGRAM],
+AC_DEFUN([DETECT_CPP17_PROGRAM],
        [AC_LANG_PROGRAM([[
             #ifndef __cplusplus
             #error "This is not a C++ compiler"
-            #elif __cplusplus < 201402L
-            #error "This is not a C++14 compiler"
+            #elif __cplusplus < 201703L
+            #error "This is not a C++17 compiler"
             #endif]],
             [[]])
 ])

macxconf.pri

@@ -7,6 +7,8 @@ else {
     include(conf.pri)
 }
 
+QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.14
+
 LIBS += -framework Carbon -framework IOKit -framework AppKit
 
 QT_LANG_PATH = ../dist/qt-translations

qbittorrent.pro

@@ -4,19 +4,6 @@ SUBDIRS += src
 
 include(version.pri)
 
-# Make target to create release tarball. Use 'make tarball'
-tarball.commands += rm -fR ../$${PROJECT_NAME}-$${PROJECT_VERSION}/ &&
-tarball.commands += git clone . ../$${PROJECT_NAME}-$${PROJECT_VERSION} &&
-tarball.commands += rm -fR ../$${PROJECT_NAME}-$${PROJECT_VERSION}/.git &&
-tarball.commands += rm -f ../$${PROJECT_NAME}-$${PROJECT_VERSION}/.gitignore &&
-tarball.commands += cd .. &&
-tarball.commands += tar czf $${PROJECT_NAME}-$${PROJECT_VERSION}.tar.gz $${PROJECT_NAME}-$${PROJECT_VERSION} &&
-tarball.commands += tar cf $${PROJECT_NAME}-$${PROJECT_VERSION}.tar $${PROJECT_NAME}-$${PROJECT_VERSION} &&
-tarball.commands += xz -f $${PROJECT_NAME}-$${PROJECT_VERSION}.tar &&
-tarball.commands += rm -fR $${PROJECT_NAME}-$${PROJECT_VERSION}
-
-QMAKE_EXTRA_TARGETS += tarball
-
 # For Qt Creator beautifier
 DISTFILES += \
     uncrustify.cfg

src/app/CMakeLists.txt

@@ -61,7 +61,6 @@ target_sources(qbt_app PRIVATE
 
 target_link_libraries(qbt_app PRIVATE
     qbt_base
-    qbt_version_definitions
 )
 
 set_target_properties(qbt_app PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}")

src/app/application.cpp

@@ -63,7 +63,7 @@
 
 #include "base/bittorrent/infohash.h"
 #include "base/bittorrent/session.h"
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/exceptions.h"
 #include "base/iconprovider.h"
 #include "base/logger.h"
@@ -81,6 +81,7 @@
 #include "base/utils/fs.h"
 #include "base/utils/misc.h"
 #include "base/utils/string.h"
+#include "base/version.h"
 #include "applicationinstancemanager.h"
 #include "filelogger.h"
 
@@ -214,7 +215,7 @@ const QBtCommandLineParameters &Application::commandLineArgs() const
 
 bool Application::isFileLoggerEnabled() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_ENABLED, true).toBool();
+    return settings()->loadValue(KEY_FILELOGGER_ENABLED, true);
 }
 
 void Application::setFileLoggerEnabled(const bool value)
@@ -228,8 +229,8 @@ void Application::setFileLoggerEnabled(const bool value)
 
 QString Application::fileLoggerPath() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_PATH,
-            {specialFolderLocation(SpecialFolder::Data) + LOG_FOLDER}).toString();
+    return settings()->loadValue(KEY_FILELOGGER_PATH
+        , QString {specialFolderLocation(SpecialFolder::Data) + LOG_FOLDER});
 }
 
 void Application::setFileLoggerPath(const QString &path)
@@ -241,7 +242,7 @@ void Application::setFileLoggerPath(const QString &path)
 
 bool Application::isFileLoggerBackup() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_BACKUP, true).toBool();
+    return settings()->loadValue(KEY_FILELOGGER_BACKUP, true);
 }
 
 void Application::setFileLoggerBackup(const bool value)
@@ -253,7 +254,7 @@ void Application::setFileLoggerBackup(const bool value)
 
 bool Application::isFileLoggerDeleteOld() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_DELETEOLD, true).toBool();
+    return settings()->loadValue(KEY_FILELOGGER_DELETEOLD, true);
 }
 
 void Application::setFileLoggerDeleteOld(const bool value)
@@ -265,7 +266,7 @@ void Application::setFileLoggerDeleteOld(const bool value)
 
 int Application::fileLoggerMaxSize() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_MAXSIZEBYTES, DEFAULT_FILELOG_SIZE).toInt();
+    const int val = settings()->loadValue(KEY_FILELOGGER_MAXSIZEBYTES, DEFAULT_FILELOG_SIZE);
     return std::min(std::max(val, MIN_FILELOG_SIZE), MAX_FILELOG_SIZE);
 }
 
@@ -279,7 +280,7 @@ void Application::setFileLoggerMaxSize(const int bytes)
 
 int Application::fileLoggerAge() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_AGE, 1).toInt();
+    const int val = settings()->loadValue(KEY_FILELOGGER_AGE, 1);
     return std::min(std::max(val, 1), 365);
 }
 
@@ -290,7 +291,7 @@ void Application::setFileLoggerAge(const int value)
 
 int Application::fileLoggerAgeType() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_AGETYPE, 1).toInt();
+    const int val = settings()->loadValue(KEY_FILELOGGER_AGETYPE, 1);
     return ((val < 0) || (val > 2)) ? 1 : val;
 }
 
@@ -310,7 +311,7 @@ void Application::processMessage(const QString &message)
         m_paramsQueue.append(params);
 }
 
-void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) const
+void Application::runExternalProgram(const BitTorrent::Torrent *torrent) const
 {
     QString program = Preferences::instance()->getAutoRunProgram().trimmed();
     program.replace("%N", torrent->name());
@@ -404,7 +405,7 @@ void Application::runExternalProgram(const BitTorrent::TorrentHandle *torrent) c
 #endif
 }
 
-void Application::sendNotificationEmail(const BitTorrent::TorrentHandle *torrent)
+void Application::sendNotificationEmail(const BitTorrent::Torrent *torrent)
 {
     // Prepare mail content
     const QString content = tr("Torrent name: %1").arg(torrent->name()) + '\n'
@@ -423,7 +424,7 @@ void Application::sendNotificationEmail(const BitTorrent::TorrentHandle *torrent
                      content);
 }
 
-void Application::torrentFinished(BitTorrent::TorrentHandle *const torrent)
+void Application::torrentFinished(BitTorrent::Torrent *const torrent)
 {
     Preferences *const pref = Preferences::instance();
 
@@ -505,7 +506,7 @@ void Application::processParams(const QStringList &params)
     }
 #endif
     BitTorrent::AddTorrentParams torrentParams;
-    TriStateBool skipTorrentDialog;
+    std::optional<bool> skipTorrentDialog;
 
     for (QString param : params)
     {
@@ -521,7 +522,7 @@ void Application::processParams(const QStringList &params)
 
         if (param.startsWith(QLatin1String("@addPaused=")))
         {
-            torrentParams.addPaused = param.midRef(11).toInt() ? TriStateBool::True : TriStateBool::False;
+            torrentParams.addPaused = (param.midRef(11).toInt() != 0);
             continue;
         }
 
@@ -551,7 +552,7 @@ void Application::processParams(const QStringList &params)
 
         if (param.startsWith(QLatin1String("@skipDialog=")))
         {
-            skipTorrentDialog = param.midRef(12).toInt() ? TriStateBool::True : TriStateBool::False;
+            skipTorrentDialog = (param.midRef(12).toInt() != 0);
             continue;
         }
 
@@ -561,9 +562,7 @@ void Application::processParams(const QStringList &params)
         // be shown and skipTorrentDialog is undefined. The other is when
         // skipTorrentDialog is false, meaning that the application setting
         // should be overridden.
-        const bool showDialogForThisTorrent =
-            ((AddNewTorrentDialog::isEnabled() && skipTorrentDialog == TriStateBool::Undefined)
-             || skipTorrentDialog == TriStateBool::False);
+        const bool showDialogForThisTorrent = !skipTorrentDialog.value_or(!AddNewTorrentDialog::isEnabled());
         if (showDialogForThisTorrent)
             AddNewTorrentDialog::show(param, torrentParams, m_window);
         else

src/app/application.h

@@ -59,7 +59,7 @@ class FileLogger;
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
 }
 
 namespace RSS
@@ -112,7 +112,7 @@ protected:
 
 private slots:
     void processMessage(const QString &message);
-    void torrentFinished(BitTorrent::TorrentHandle *const torrent);
+    void torrentFinished(BitTorrent::Torrent *const torrent);
     void allTorrentsFinished();
     void cleanup();
 #if (!defined(DISABLE_GUI) && defined(Q_OS_WIN))
@@ -142,6 +142,6 @@ private:
 
     void initializeTranslation();
     void processParams(const QStringList &params);
-    void runExternalProgram(const BitTorrent::TorrentHandle *torrent) const;
-    void sendNotificationEmail(const BitTorrent::TorrentHandle *torrent);
+    void runExternalProgram(const BitTorrent::Torrent *torrent) const;
+    void sendNotificationEmail(const BitTorrent::Torrent *torrent);
 };

src/app/cmdoptions.cpp

@@ -254,13 +254,13 @@ namespace
             return padUsageText(fullParameter() + QLatin1String("=<true|false>"));
         }
 
-        TriStateBool value(const QString &arg) const
+        std::optional<bool> value(const QString &arg) const
         {
             QStringList parts = arg.split(QLatin1Char('='));
 
             if (parts.size() == 1)
             {
-                return TriStateBool(m_defaultValue);
+                return m_defaultValue;
             }
             if (parts.size() == 2)
             {
@@ -268,11 +268,11 @@ namespace
 
                 if ((val.toUpper() == QLatin1String("TRUE")) || (val == QLatin1String("1")))
                 {
-                    return TriStateBool::True;
+                    return true;
                 }
                 if ((val.toUpper() == QLatin1String("FALSE")) || (val == QLatin1String("0")))
                 {
-                    return TriStateBool::False;
+                    return false;
                 }
             }
 
@@ -282,30 +282,30 @@ namespace
                                             .arg(fullParameter(), QLatin1String("<true|false>")));
         }
 
-        TriStateBool value(const QProcessEnvironment &env) const
+        std::optional<bool> value(const QProcessEnvironment &env) const
         {
             const QString val = env.value(envVarName(), "-1");
 
             if (val.isEmpty())
             {
-                return TriStateBool(m_defaultValue);
+                return m_defaultValue;
             }
             if (val == QLatin1String("-1"))
             {
-                return TriStateBool::Undefined;
+                return std::nullopt;
             }
             if ((val.toUpper() == QLatin1String("TRUE")) || (val == QLatin1String("1")))
             {
-                return TriStateBool::True;
+                return true;
             }
             if ((val.toUpper() == QLatin1String("FALSE")) || (val == QLatin1String("0")))
             {
-                return TriStateBool::False;
+                return false;
             }
 
             qDebug() << QObject::tr("Expected %1 in environment variable '%2', but got '%3'")
                 .arg(QLatin1String("true|false"), envVarName(), val);
-            return TriStateBool::Undefined;
+            return std::nullopt;
         }
 
         bool m_defaultValue;
@@ -374,14 +374,8 @@ QStringList QBtCommandLineParameters::paramList() const
     if (!savePath.isEmpty())
         result.append(QLatin1String("@savePath=") + savePath);
 
-    if (addPaused == TriStateBool::True)
-    {
-        result.append(QLatin1String("@addPaused=1"));
-    }
-    else if (addPaused == TriStateBool::False)
-    {
-        result.append(QLatin1String("@addPaused=0"));
-    }
+    if (addPaused.has_value())
+        result.append(*addPaused ? QLatin1String {"@addPaused=1"} : QLatin1String {"@addPaused=0"});
 
     if (skipChecking)
         result.append(QLatin1String("@skipChecking"));
@@ -395,14 +389,8 @@ QStringList QBtCommandLineParameters::paramList() const
     if (firstLastPiecePriority)
         result.append(QLatin1String("@firstLastPiecePriority"));
 
-    if (skipDialog == TriStateBool::True)
-    {
-        result.append(QLatin1String("@skipDialog=1"));
-    }
-    else if (skipDialog == TriStateBool::False)
-    {
-        result.append(QLatin1String("@skipDialog=0"));
-    }
+    if (skipDialog.has_value())
+        result.append(*skipDialog ? QLatin1String {"@skipDialog=1"} : QLatin1String {"@skipDialog=0"});
 
     result += torrents;
     return result;

src/app/cmdoptions.h

@@ -30,13 +30,12 @@
 
 #pragma once
 
+#include <optional>
 #include <stdexcept>
 
 #include <QString>
 #include <QStringList>
 
-#include "base/tristatebool.h"
-
 class QProcessEnvironment;
 
 struct QBtCommandLineParameters
@@ -55,8 +54,8 @@ struct QBtCommandLineParameters
     bool shouldDaemonize;
 #endif
     int webUiPort;
-    TriStateBool addPaused;
-    TriStateBool skipDialog;
+    std::optional<bool> addPaused;
+    std::optional<bool> skipDialog;
     QStringList torrents;
     QString profileDir;
     QString configurationName;

src/app/main.cpp

@@ -78,6 +78,7 @@ Q_IMPORT_PLUGIN(QICOPlugin)
 
 #include "base/preferences.h"
 #include "base/profile.h"
+#include "base/version.h"
 #include "application.h"
 #include "cmdoptions.h"
 #include "upgrade.h"

src/app/qtlocalpeer/qtlocalpeer.cpp

@@ -152,7 +152,7 @@ bool QtLocalPeer::isClient()
 #endif
     if (!res)
         qWarning("QtSingleCoreApplication: listen on local socket failed, %s", qPrintable(server->errorString()));
-    QObject::connect(server, SIGNAL(newConnection()), SLOT(receiveConnection()));
+    connect(server, &QLocalServer::newConnection, this, &QtLocalPeer::receiveConnection);
     return false;
 }
 

src/app/stacktracedialog.cpp

@@ -32,6 +32,7 @@
 #include <QString>
 
 #include "base/utils/misc.h"
+#include "base/version.h"
 #include "ui_stacktracedialog.h"
 
 StacktraceDialog::StacktraceDialog(QWidget *parent)

src/app/upgrade.cpp

@@ -46,8 +46,8 @@ namespace
         const auto migrate = [](const QString &oldKey, const QString &newKey, const QString &savePath)
         {
             SettingsStorage *settingsStorage {SettingsStorage::instance()};
-            const QByteArray oldData {settingsStorage->loadValue(oldKey).toByteArray()};
-            const QString newData {settingsStorage->loadValue(newKey).toString()};
+            const auto oldData {settingsStorage->loadValue<QByteArray>(oldKey)};
+            const auto newData {settingsStorage->loadValue<QString>(newKey)};
             const QString errorMsgFormat {QObject::tr("Migrate preferences failed: WebUI https, file: \"%1\", error: \"%2\"")};
 
             if (!newData.isEmpty() || oldData.isEmpty())
@@ -89,8 +89,8 @@ namespace
         const QString newKey {QLatin1String {"BitTorrent/Session/TorrentContentLayout"}};
 
         SettingsStorage *settingsStorage {SettingsStorage::instance()};
-        const QVariant oldData {settingsStorage->loadValue(oldKey)};
-        const QString newData {settingsStorage->loadValue(newKey).toString()};
+        const auto oldData {settingsStorage->loadValue<QVariant>(oldKey)};
+        const auto newData {settingsStorage->loadValue<QString>(newKey)};
 
         if (!newData.isEmpty() || !oldData.isValid())
             return;
@@ -128,7 +128,7 @@ void handleChangedDefaults(const DefaultPreferencesMode mode)
     SettingsStorage *settingsStorage {SettingsStorage::instance()};
     for (auto it = changedDefaults.cbegin(); it != changedDefaults.cend(); ++it)
     {
-        if (settingsStorage->loadValue(it->name).isNull())
+        if (settingsStorage->loadValue<QVariant>(it->name).isNull())
             settingsStorage->storeValue(it->name, (mode == DefaultPreferencesMode::Legacy ? it->legacy : it->current));
     }
 }

src/base/CMakeLists.txt

@@ -2,6 +2,7 @@ add_library(qbt_base STATIC
     # headers
     algorithm.h
     asyncfilestorage.h
+    bittorrent/abstractfilestorage.h
     bittorrent/addtorrentparams.h
     bittorrent/bandwidthscheduler.h
     bittorrent/cachestatus.h
@@ -24,10 +25,10 @@ add_library(qbt_base STATIC
     bittorrent/sessionstatus.h
     bittorrent/speedmonitor.h
     bittorrent/statistics.h
+    bittorrent/torrent.h
     bittorrent/torrentcontentlayout.h
     bittorrent/torrentcreatorthread.h
-    bittorrent/torrenthandle.h
-    bittorrent/torrenthandleimpl.h
+    bittorrent/torrentimpl.h
     bittorrent/torrentinfo.h
     bittorrent/tracker.h
     bittorrent/trackerentry.h
@@ -72,7 +73,6 @@ add_library(qbt_base STATIC
     settingsstorage.h
     torrentfileguard.h
     torrentfilter.h
-    tristatebool.h
     types.h
     unicodestrings.h
     utils/bytearray.h
@@ -86,9 +86,11 @@ add_library(qbt_base STATIC
     utils/random.h
     utils/string.h
     utils/version.h
+    version.h
 
     # sources
     asyncfilestorage.cpp
+    bittorrent/abstractfilestorage.cpp
     bittorrent/bandwidthscheduler.cpp
     bittorrent/customstorage.cpp
     bittorrent/downloadpriority.cpp
@@ -105,9 +107,9 @@ add_library(qbt_base STATIC
     bittorrent/session.cpp
     bittorrent/speedmonitor.cpp
     bittorrent/statistics.cpp
+    bittorrent/torrent.cpp
     bittorrent/torrentcreatorthread.cpp
-    bittorrent/torrenthandle.cpp
-    bittorrent/torrenthandleimpl.cpp
+    bittorrent/torrentimpl.cpp
     bittorrent/torrentinfo.cpp
     bittorrent/tracker.cpp
     bittorrent/trackerentry.cpp
@@ -148,7 +150,6 @@ add_library(qbt_base STATIC
     settingsstorage.cpp
     torrentfileguard.cpp
     torrentfilter.cpp
-    tristatebool.cpp
     utils/bytearray.cpp
     utils/foreignapps.cpp
     utils/fs.cpp
@@ -165,7 +166,6 @@ target_link_libraries(qbt_base
     PRIVATE
         OpenSSL::Crypto OpenSSL::SSL
         ZLIB::ZLIB
-        qbt_version_definitions
     PUBLIC
         LibtorrentRasterbar::torrent-rasterbar
         Qt5::Core Qt5::Network Qt5::Xml

src/base/algorithm.h

@@ -32,9 +32,6 @@
 
 namespace Algorithm
 {
-    template <typename ...>
-    using void_t = void;  // replace this with std::void_t in C++17
-
     template <typename T, typename = void>
     struct HasMappedType
         : std::false_type
@@ -42,7 +39,7 @@ namespace Algorithm
     };
 
     template <typename T>
-    struct HasMappedType<T, void_t<typename T::mapped_type>>
+    struct HasMappedType<T, std::void_t<typename T::mapped_type>>
         : std::true_type
     {
     };

src/base/base.pri

@@ -1,6 +1,7 @@
 HEADERS += \
     $$PWD/algorithm.h \
     $$PWD/asyncfilestorage.h \
+    $$PWD/bittorrent/abstractfilestorage.h \
     $$PWD/bittorrent/addtorrentparams.h \
     $$PWD/bittorrent/bandwidthscheduler.h \
     $$PWD/bittorrent/cachestatus.h \
@@ -23,10 +24,10 @@ HEADERS += \
     $$PWD/bittorrent/sessionstatus.h \
     $$PWD/bittorrent/speedmonitor.h \
     $$PWD/bittorrent/statistics.h \
+    $$PWD/bittorrent/torrent.h \
     $$PWD/bittorrent/torrentcontentlayout.h \
     $$PWD/bittorrent/torrentcreatorthread.h \
-    $$PWD/bittorrent/torrenthandle.h \
-    $$PWD/bittorrent/torrenthandleimpl.h \
+    $$PWD/bittorrent/torrentimpl.h \
     $$PWD/bittorrent/torrentinfo.h \
     $$PWD/bittorrent/tracker.h \
     $$PWD/bittorrent/trackerentry.h \
@@ -72,7 +73,6 @@ HEADERS += \
     $$PWD/settingvalue.h \
     $$PWD/torrentfileguard.h \
     $$PWD/torrentfilter.h \
-    $$PWD/tristatebool.h \
     $$PWD/types.h \
     $$PWD/unicodestrings.h \
     $$PWD/utils/bytearray.h \
@@ -85,10 +85,12 @@ HEADERS += \
     $$PWD/utils/password.h \
     $$PWD/utils/random.h \
     $$PWD/utils/string.h \
-    $$PWD/utils/version.h
+    $$PWD/utils/version.h \
+    $$PWD/version.h
 
 SOURCES += \
     $$PWD/asyncfilestorage.cpp \
+    $$PWD/bittorrent/abstractfilestorage.cpp \
     $$PWD/bittorrent/bandwidthscheduler.cpp \
     $$PWD/bittorrent/customstorage.cpp \
     $$PWD/bittorrent/downloadpriority.cpp \
@@ -105,9 +107,9 @@ SOURCES += \
     $$PWD/bittorrent/session.cpp \
     $$PWD/bittorrent/speedmonitor.cpp \
     $$PWD/bittorrent/statistics.cpp \
+    $$PWD/bittorrent/torrent.cpp \
     $$PWD/bittorrent/torrentcreatorthread.cpp \
-    $$PWD/bittorrent/torrenthandle.cpp \
-    $$PWD/bittorrent/torrenthandleimpl.cpp \
+    $$PWD/bittorrent/torrentimpl.cpp \
     $$PWD/bittorrent/torrentinfo.cpp \
     $$PWD/bittorrent/tracker.cpp \
     $$PWD/bittorrent/trackerentry.cpp \
@@ -148,7 +150,6 @@ SOURCES += \
     $$PWD/settingsstorage.cpp \
     $$PWD/torrentfileguard.cpp \
     $$PWD/torrentfilter.cpp \
-    $$PWD/tristatebool.cpp \
     $$PWD/utils/bytearray.cpp \
     $$PWD/utils/foreignapps.cpp \
     $$PWD/utils/fs.cpp \

src/base/bittorrent/abstractfilestorage.cpp

@@ -0,0 +1,140 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  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 "abstractfilestorage.h"
+
+#include <QDir>
+#include <QHash>
+#include <QVector>
+
+#include "base/bittorrent/common.h"
+#include "base/exceptions.h"
+#include "base/utils/fs.h"
+
+#if defined(Q_OS_WIN)
+const Qt::CaseSensitivity CASE_SENSITIVITY {Qt::CaseInsensitive};
+#else
+const Qt::CaseSensitivity CASE_SENSITIVITY {Qt::CaseSensitive};
+#endif
+
+namespace
+{
+    bool areSameFileNames(QString first, QString second)
+    {
+        if (first.endsWith(QB_EXT, Qt::CaseInsensitive))
+            first.chop(QB_EXT.size());
+        if (second.endsWith(QB_EXT, Qt::CaseInsensitive))
+            second.chop(QB_EXT.size());
+        return QString::compare(first, second, CASE_SENSITIVITY) == 0;
+    }
+}
+
+void BitTorrent::AbstractFileStorage::renameFile(const QString &oldPath, const QString &newPath)
+{
+    if (!Utils::Fs::isValidFileSystemName(oldPath, true))
+        throw RuntimeError {tr("The old path is invalid: '%1'.").arg(oldPath)};
+    if (!Utils::Fs::isValidFileSystemName(newPath, true))
+        throw RuntimeError {tr("The new path is invalid: '%1'.").arg(newPath)};
+
+    const QString oldFilePath = Utils::Fs::toUniformPath(oldPath);
+    if (oldFilePath.endsWith(QLatin1Char {'/'}))
+        throw RuntimeError {tr("Invalid file path: '%1'.").arg(oldFilePath)};
+
+    const QString newFilePath = Utils::Fs::toUniformPath(newPath);
+    if (newFilePath.endsWith(QLatin1Char {'/'}))
+        throw RuntimeError {tr("Invalid file path: '%1'.").arg(newFilePath)};
+    if (QDir().isAbsolutePath(newFilePath))
+        throw RuntimeError {tr("Absolute path isn't allowed: '%1'.").arg(newFilePath)};
+
+    int renamingFileIndex = -1;
+    for (int i = 0; i < filesCount(); ++i)
+    {
+        const QString path = filePath(i);
+
+        if ((renamingFileIndex < 0) && areSameFileNames(path, oldFilePath))
+            renamingFileIndex = i;
+
+        if (areSameFileNames(path, newFilePath))
+            throw RuntimeError {tr("The file already exists: '%1'.").arg(newFilePath)};
+    }
+
+    if (renamingFileIndex < 0)
+        throw RuntimeError {tr("No such file: '%1'.").arg(oldFilePath)};
+
+    const auto extAdjusted = [](const QString &path, const bool needExt) -> QString
+    {
+        if (path.endsWith(QB_EXT, Qt::CaseInsensitive) == needExt)
+            return path;
+
+        return (needExt ? (path + QB_EXT) : (path.left(path.size() - QB_EXT.size())));
+    };
+
+    renameFile(renamingFileIndex, extAdjusted(newFilePath, filePath(renamingFileIndex).endsWith(QB_EXT, Qt::CaseInsensitive)));
+}
+
+void BitTorrent::AbstractFileStorage::renameFolder(const QString &oldPath, const QString &newPath)
+{
+    if (!Utils::Fs::isValidFileSystemName(oldPath, true))
+        throw RuntimeError {tr("The old path is invalid: '%1'.").arg(oldPath)};
+    if (!Utils::Fs::isValidFileSystemName(newPath, true))
+        throw RuntimeError {tr("The new path is invalid: '%1'.").arg(newPath)};
+
+    const auto cleanFolderPath = [](const QString &path) -> QString
+    {
+        const QString uniformPath = Utils::Fs::toUniformPath(path);
+        return (uniformPath.endsWith(QLatin1Char {'/'}) ? uniformPath : uniformPath + QLatin1Char {'/'});
+    };
+
+    const QString oldFolderPath = cleanFolderPath(oldPath);
+    const QString newFolderPath = cleanFolderPath(newPath);
+    if (QDir().isAbsolutePath(newFolderPath))
+        throw RuntimeError {tr("Absolute path isn't allowed: '%1'.").arg(newFolderPath)};
+
+    QVector<int> renamingFileIndexes;
+    renamingFileIndexes.reserve(filesCount());
+
+    for (int i = 0; i < filesCount(); ++i)
+    {
+        const QString path = filePath(i);
+
+        if (path.startsWith(oldFolderPath, CASE_SENSITIVITY))
+            renamingFileIndexes.append(i);
+
+        if (path.startsWith(newFolderPath, CASE_SENSITIVITY))
+            throw RuntimeError {tr("The folder already exists: '%1'.").arg(newFolderPath)};
+    }
+
+    if (renamingFileIndexes.isEmpty())
+        throw RuntimeError {tr("No such folder: '%1'.").arg(oldFolderPath)};
+
+    for (const int index : renamingFileIndexes)
+    {
+        const QString newFilePath = newFolderPath + filePath(index).mid(oldFolderPath.size());
+        renameFile(index, newFilePath);
+    }
+}

src/base/bittorrent/abstractfilestorage.h

@@ -1,7 +1,7 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2011  Christian Kandeler
- * Copyright (C) 2011  Christophe Dumez <chris@qbittorrent.org>
+ * Copyright (C) 2020  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
@@ -28,35 +28,26 @@
 
 #pragma once
 
-#include <QDialog>
+#include <QtGlobal>
+#include <QCoreApplication>
 
-namespace Ui
+class QString;
+
+namespace BitTorrent
 {
-    class UpDownRatioDialog;
+    class AbstractFileStorage
+    {
+        Q_DECLARE_TR_FUNCTIONS(AbstractFileStorage)
+
+    public:
+        virtual int filesCount() const = 0;
+        virtual QString filePath(int index) const = 0;
+        virtual QString fileName(int index) const = 0;
+        virtual qlonglong fileSize(int index) const = 0;
+
+        virtual void renameFile(int index, const QString &name) = 0;
+
+        void renameFile(const QString &oldPath, const QString &newPath);
+        void renameFolder(const QString &oldPath, const QString &newPath);
+    };
 }
-
-class UpDownRatioDialog final : public QDialog
-{
-    Q_OBJECT
-
-public:
-    UpDownRatioDialog(bool useDefault, qreal initialValue, qreal maxValue,
-            int initialTimeValue, int maxTimeValue,
-            QWidget *parent = nullptr);
-    ~UpDownRatioDialog();
-
-    bool useDefault() const;
-    qreal ratio() const;
-    int seedingTime() const;
-
-public slots:
-    void accept() override;
-
-private slots:
-    void handleRatioTypeChanged();
-    void enableRatioSpin();
-    void enableTimeSpin();
-
-private:
-    Ui::UpDownRatioDialog *m_ui;
-};

src/base/bittorrent/addtorrentparams.h

@@ -28,14 +28,13 @@
 
 #pragma once
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <QSet>
 #include <QString>
 #include <QVector>
 
-#include "base/tristatebool.h"
-#include "torrenthandle.h"
+#include "torrent.h"
 #include "torrentcontentlayout.h"
 
 namespace BitTorrent
@@ -51,15 +50,15 @@ namespace BitTorrent
         bool disableTempPath = false; // e.g. for imported torrents
         bool sequential = false;
         bool firstLastPiecePriority = false;
-        TriStateBool addForced;
-        TriStateBool addPaused;
+        bool addForced = false;
+        std::optional<bool> addPaused;
         QVector<DownloadPriority> filePriorities; // used if TorrentInfo is set
         bool skipChecking = false;
-        boost::optional<BitTorrent::TorrentContentLayout> contentLayout;
-        TriStateBool useAutoTMM;
+        std::optional<BitTorrent::TorrentContentLayout> contentLayout;
+        std::optional<bool> useAutoTMM;
         int uploadLimit = -1;
         int downloadLimit = -1;
-        int seedingTimeLimit = TorrentHandle::USE_GLOBAL_SEEDING_TIME;
-        qreal ratioLimit = TorrentHandle::USE_GLOBAL_RATIO;
+        int seedingTimeLimit = Torrent::USE_GLOBAL_SEEDING_TIME;
+        qreal ratioLimit = Torrent::USE_GLOBAL_RATIO;
     };
 }

src/base/bittorrent/common.h

@@ -30,5 +30,4 @@
 
 #include <QString>
 
-// TODO: Make it inline in C++17
-extern const QString QB_EXT;
+inline const QString QB_EXT {QStringLiteral(".!qB")};

src/base/bittorrent/ltunderlyingtype.h

@@ -30,9 +30,6 @@
 
 #include <type_traits>
 
-template <typename ...>
-using void_t = void;  // replace this with std::void_t in C++17
-
 template <typename T, typename = void>
 struct HasUnderlyingType
     : std::false_type
@@ -40,7 +37,7 @@ struct HasUnderlyingType
 };
 
 template <typename T>
-struct HasUnderlyingType<T, void_t<typename T::underlying_type>>
+struct HasUnderlyingType<T, std::void_t<typename T::underlying_type>>
     : std::true_type
 {
 };

src/base/bittorrent/peerinfo.cpp

@@ -30,14 +30,14 @@
 
 #include <QBitArray>
 
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/net/geoipmanager.h"
 #include "base/unicodestrings.h"
 #include "peeraddress.h"
 
 using namespace BitTorrent;
 
-PeerInfo::PeerInfo(const TorrentHandle *torrent, const lt::peer_info &nativeInfo)
+PeerInfo::PeerInfo(const Torrent *torrent, const lt::peer_info &nativeInfo)
     : m_nativeInfo(nativeInfo)
 {
     calcRelevance(torrent);
@@ -226,7 +226,7 @@ QString PeerInfo::connectionType() const
         : QLatin1String {"Web"};
 }
 
-void PeerInfo::calcRelevance(const TorrentHandle *torrent)
+void PeerInfo::calcRelevance(const Torrent *torrent)
 {
     const QBitArray allPieces = torrent->pieces();
     const QBitArray peerPieces = pieces();

src/base/bittorrent/peerinfo.h

@@ -36,7 +36,7 @@ class QBitArray;
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
     struct PeerAddress;
 
     class PeerInfo
@@ -45,7 +45,7 @@ namespace BitTorrent
 
     public:
         PeerInfo() = default;
-        PeerInfo(const TorrentHandle *torrent, const lt::peer_info &nativeInfo);
+        PeerInfo(const Torrent *torrent, const lt::peer_info &nativeInfo);
 
         bool fromDHT() const;
         bool fromPeX() const;
@@ -92,7 +92,7 @@ namespace BitTorrent
         int downloadingPieceIndex() const;
 
     private:
-        void calcRelevance(const TorrentHandle *torrent);
+        void calcRelevance(const Torrent *torrent);
         void determineFlags();
 
         lt::peer_info m_nativeInfo = {};

src/base/bittorrent/portforwarderimpl.cpp

@@ -39,7 +39,7 @@ const QString KEY_ENABLED = QStringLiteral("Network/PortForwardingEnabled");
 
 PortForwarderImpl::PortForwarderImpl(lt::session *provider, QObject *parent)
     : Net::PortForwarder {parent}
-    , m_active {SettingsStorage::instance()->loadValue(KEY_ENABLED, true).toBool()}
+    , m_active {SettingsStorage::instance()->loadValue(KEY_ENABLED, true)}
     , m_provider {provider}
 {
     if (m_active)

src/base/bittorrent/session.cpp

@@ -78,13 +78,13 @@
 #include "base/profile.h"
 #include "base/torrentfileguard.h"
 #include "base/torrentfilter.h"
-#include "base/tristatebool.h"
 #include "base/unicodestrings.h"
 #include "base/utils/bytearray.h"
 #include "base/utils/fs.h"
 #include "base/utils/misc.h"
 #include "base/utils/net.h"
 #include "base/utils/random.h"
+#include "base/version.h"
 #include "bandwidthscheduler.h"
 #include "common.h"
 #include "customstorage.h"
@@ -96,7 +96,7 @@
 #include "portforwarderimpl.h"
 #include "resumedatasavingmanager.h"
 #include "statistics.h"
-#include "torrenthandleimpl.h"
+#include "torrentimpl.h"
 #include "tracker.h"
 #include "trackerentry.h"
 
@@ -291,9 +291,8 @@ namespace
     LowerLimited<T> lowerLimited(T limit, T ret) { return LowerLimited<T>(limit, ret); }
 
     template <typename T>
-    std::function<T (const T&)> clampValue(const T lower, const T upper)
+    auto clampValue(const T lower, const T upper)
     {
-        // TODO: change return type to `auto` when using C++17
         return [lower, upper](const T value) -> T
         {
             if (value < lower)
@@ -482,7 +481,7 @@ Session::Session(QObject *parent)
         m_storedCategories = map_cast(m_categories);
     }
 
-    m_tags = List::toSet(m_storedTags.value());
+    m_tags = List::toSet(m_storedTags.get());
 
     enqueueRefresh();
     updateSeedingLimitTimer();
@@ -579,7 +578,7 @@ void Session::setTempPathEnabled(const bool enabled)
     if (enabled != isTempPathEnabled())
     {
         m_isTempPathEnabled = enabled;
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             torrent->handleTempPathChanged();
     }
 }
@@ -596,7 +595,7 @@ void Session::setAppendExtensionEnabled(const bool enabled)
         m_isAppendExtensionEnabled = enabled;
 
         // append or remove .!qB extension for incomplete files
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             torrent->handleAppendExtensionToggled();
     }
 }
@@ -749,13 +748,13 @@ bool Session::editCategory(const QString &name, const QString &savePath)
     m_storedCategories = map_cast(m_categories);
     if (isDisableAutoTMMWhenCategorySavePathChanged())
     {
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             if (torrent->category() == name)
                 torrent->setAutoTMMEnabled(false);
     }
     else
     {
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             if (torrent->category() == name)
                 torrent->handleCategorySavePathChanged();
     }
@@ -765,7 +764,7 @@ bool Session::editCategory(const QString &name, const QString &savePath)
 
 bool Session::removeCategory(const QString &name)
 {
-    for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+    for (TorrentImpl *const torrent : asConst(m_torrents))
         if (torrent->belongsToCategory(name))
             torrent->setCategory("");
 
@@ -859,7 +858,7 @@ bool Session::removeTag(const QString &tag)
 {
     if (m_tags.remove(tag))
     {
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             torrent->removeTag(tag);
         m_storedTags = m_tags.values();
         emit tagRemoved(tag);
@@ -1130,7 +1129,7 @@ void Session::initializeNativeSession()
 void Session::processBannedIPs(lt::ip_filter &filter)
 {
     // First, import current filter
-    for (const QString &ip : asConst(m_bannedIPs.value()))
+    for (const QString &ip : asConst(m_bannedIPs.get()))
     {
         lt::error_code ec;
         const lt::address addr = lt::make_address(ip.toLatin1().constData(), ec);
@@ -1619,16 +1618,16 @@ void Session::processShareLimits()
 
     // We shouldn't iterate over `m_torrents` in the loop below
     // since `deleteTorrent()` modifies it indirectly
-    const QHash<InfoHash, TorrentHandleImpl *> torrents {m_torrents};
-    for (TorrentHandleImpl *const torrent : torrents)
+    const QHash<InfoHash, TorrentImpl *> torrents {m_torrents};
+    for (TorrentImpl *const torrent : torrents)
     {
         if (torrent->isSeed() && !torrent->isForced())
         {
-            if (torrent->ratioLimit() != TorrentHandle::NO_RATIO_LIMIT)
+            if (torrent->ratioLimit() != Torrent::NO_RATIO_LIMIT)
             {
                 const qreal ratio = torrent->realRatio();
                 qreal ratioLimit = torrent->ratioLimit();
-                if (ratioLimit == TorrentHandle::USE_GLOBAL_RATIO)
+                if (ratioLimit == Torrent::USE_GLOBAL_RATIO)
                     // If Global Max Ratio is really set...
                     ratioLimit = globalMaxRatio();
 
@@ -1636,7 +1635,7 @@ void Session::processShareLimits()
                 {
                     qDebug("Ratio: %f (limit: %f)", ratio, ratioLimit);
 
-                    if ((ratio <= TorrentHandle::MAX_RATIO) && (ratio >= ratioLimit))
+                    if ((ratio <= Torrent::MAX_RATIO) && (ratio >= ratioLimit))
                     {
                         if (m_maxRatioAction == Remove)
                         {
@@ -1646,7 +1645,7 @@ void Session::processShareLimits()
                         else if (m_maxRatioAction == DeleteFiles)
                         {
                             LogMsg(tr("'%1' reached the maximum ratio you set. Removed torrent and its files.").arg(torrent->name()));
-                            deleteTorrent(torrent->hash(), TorrentAndFiles);
+                            deleteTorrent(torrent->hash(), DeleteTorrentAndFiles);
                         }
                         else if ((m_maxRatioAction == Pause) && !torrent->isPaused())
                         {
@@ -1663,11 +1662,11 @@ void Session::processShareLimits()
                 }
             }
 
-            if (torrent->seedingTimeLimit() != TorrentHandle::NO_SEEDING_TIME_LIMIT)
+            if (torrent->seedingTimeLimit() != Torrent::NO_SEEDING_TIME_LIMIT)
             {
                 const qlonglong seedingTimeInMinutes = torrent->seedingTime() / 60;
                 int seedingTimeLimit = torrent->seedingTimeLimit();
-                if (seedingTimeLimit == TorrentHandle::USE_GLOBAL_SEEDING_TIME)
+                if (seedingTimeLimit == Torrent::USE_GLOBAL_SEEDING_TIME)
                 {
                      // If Global Seeding Time Limit is really set...
                     seedingTimeLimit = globalMaxSeedingMinutes();
@@ -1675,7 +1674,7 @@ void Session::processShareLimits()
 
                 if (seedingTimeLimit >= 0)
                 {
-                    if ((seedingTimeInMinutes <= TorrentHandle::MAX_SEEDING_TIME) && (seedingTimeInMinutes >= seedingTimeLimit))
+                    if ((seedingTimeInMinutes <= Torrent::MAX_SEEDING_TIME) && (seedingTimeInMinutes >= seedingTimeLimit))
                     {
                         if (m_maxRatioAction == Remove)
                         {
@@ -1685,7 +1684,7 @@ void Session::processShareLimits()
                         else if (m_maxRatioAction == DeleteFiles)
                         {
                             LogMsg(tr("'%1' reached the maximum seeding time you set. Removed torrent and its files.").arg(torrent->name()));
-                            deleteTorrent(torrent->hash(), TorrentAndFiles);
+                            deleteTorrent(torrent->hash(), DeleteTorrentAndFiles);
                         }
                         else if ((m_maxRatioAction == Pause) && !torrent->isPaused())
                         {
@@ -1724,7 +1723,7 @@ void Session::handleDownloadFinished(const Net::DownloadResult &result)
 
 void Session::fileSearchFinished(const InfoHash &id, const QString &savePath, const QStringList &fileNames)
 {
-    TorrentHandleImpl *torrent = m_torrents.value(id);
+    TorrentImpl *torrent = m_torrents.value(id);
     if (torrent)
     {
         torrent->fileSearchFinished(savePath, fileNames);
@@ -1748,14 +1747,14 @@ void Session::fileSearchFinished(const InfoHash &id, const QString &savePath, co
 }
 
 // Return the torrent handle, given its hash
-TorrentHandle *Session::findTorrent(const InfoHash &hash) const
+Torrent *Session::findTorrent(const InfoHash &hash) const
 {
     return m_torrents.value(hash);
 }
 
 bool Session::hasActiveTorrents() const
 {
-    return std::any_of(m_torrents.begin(), m_torrents.end(), [](TorrentHandleImpl *torrent)
+    return std::any_of(m_torrents.begin(), m_torrents.end(), [](TorrentImpl *torrent)
     {
         return TorrentFilter::ActiveTorrent.match(torrent);
     });
@@ -1763,7 +1762,7 @@ bool Session::hasActiveTorrents() const
 
 bool Session::hasUnfinishedTorrents() const
 {
-    return std::any_of(m_torrents.begin(), m_torrents.end(), [](const TorrentHandleImpl *torrent)
+    return std::any_of(m_torrents.begin(), m_torrents.end(), [](const TorrentImpl *torrent)
     {
         return (!torrent->isSeed() && !torrent->isPaused());
     });
@@ -1771,7 +1770,7 @@ bool Session::hasUnfinishedTorrents() const
 
 bool Session::hasRunningSeed() const
 {
-    return std::any_of(m_torrents.begin(), m_torrents.end(), [](const TorrentHandleImpl *torrent)
+    return std::any_of(m_torrents.begin(), m_torrents.end(), [](const TorrentImpl *torrent)
     {
         return (torrent->isSeed() && !torrent->isPaused());
     });
@@ -1800,14 +1799,14 @@ void Session::banIP(const QString &ip)
 // and from the disk, if the corresponding deleteOption is chosen
 bool Session::deleteTorrent(const InfoHash &hash, const DeleteOption deleteOption)
 {
-    TorrentHandleImpl *const torrent = m_torrents.take(hash);
+    TorrentImpl *const torrent = m_torrents.take(hash);
     if (!torrent) return false;
 
     qDebug("Deleting torrent with hash: %s", qUtf8Printable(torrent->hash()));
     emit torrentAboutToBeRemoved(torrent);
 
     // Remove it from session
-    if (deleteOption == Torrent)
+    if (deleteOption == DeleteTorrent)
     {
         m_removingTorrents[torrent->hash()] = {torrent->name(), "", deleteOption};
 
@@ -1888,7 +1887,7 @@ bool Session::cancelDownloadMetadata(const InfoHash &hash)
 
 void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentHandleImpl *>;
+    using ElementType = std::pair<int, TorrentImpl *>;
     std::priority_queue<ElementType
         , std::vector<ElementType>
         , std::greater<ElementType>> torrentQueue;
@@ -1896,7 +1895,7 @@ void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentHandleImpl *const torrent = m_torrents.value(infoHash);
+        TorrentImpl *const torrent = m_torrents.value(infoHash);
         if (torrent && !torrent->isSeed())
             torrentQueue.emplace(torrent->queuePosition(), torrent);
     }
@@ -1904,7 +1903,7 @@ void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Increase torrents queue position (starting with the one in the highest queue position)
     while (!torrentQueue.empty())
     {
-        const TorrentHandleImpl *torrent = torrentQueue.top().second;
+        const TorrentImpl *torrent = torrentQueue.top().second;
         torrentQueuePositionUp(torrent->nativeHandle());
         torrentQueue.pop();
     }
@@ -1914,13 +1913,13 @@ void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 
 void Session::decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentHandleImpl *>;
+    using ElementType = std::pair<int, TorrentImpl *>;
     std::priority_queue<ElementType> torrentQueue;
 
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentHandleImpl *const torrent = m_torrents.value(infoHash);
+        TorrentImpl *const torrent = m_torrents.value(infoHash);
         if (torrent && !torrent->isSeed())
             torrentQueue.emplace(torrent->queuePosition(), torrent);
     }
@@ -1928,7 +1927,7 @@ void Session::decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Decrease torrents queue position (starting with the one in the lowest queue position)
     while (!torrentQueue.empty())
     {
-        const TorrentHandleImpl *torrent = torrentQueue.top().second;
+        const TorrentImpl *torrent = torrentQueue.top().second;
         torrentQueuePositionDown(torrent->nativeHandle());
         torrentQueue.pop();
     }
@@ -1941,13 +1940,13 @@ void Session::decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 
 void Session::topTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentHandleImpl *>;
+    using ElementType = std::pair<int, TorrentImpl *>;
     std::priority_queue<ElementType> torrentQueue;
 
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentHandleImpl *const torrent = m_torrents.value(infoHash);
+        TorrentImpl *const torrent = m_torrents.value(infoHash);
         if (torrent && !torrent->isSeed())
             torrentQueue.emplace(torrent->queuePosition(), torrent);
     }
@@ -1955,7 +1954,7 @@ void Session::topTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Top torrents queue position (starting with the one in the lowest queue position)
     while (!torrentQueue.empty())
     {
-        const TorrentHandleImpl *torrent = torrentQueue.top().second;
+        const TorrentImpl *torrent = torrentQueue.top().second;
         torrentQueuePositionTop(torrent->nativeHandle());
         torrentQueue.pop();
     }
@@ -1965,7 +1964,7 @@ void Session::topTorrentsQueuePos(const QVector<InfoHash> &hashes)
 
 void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentHandleImpl *>;
+    using ElementType = std::pair<int, TorrentImpl *>;
     std::priority_queue<ElementType
         , std::vector<ElementType>
         , std::greater<ElementType>> torrentQueue;
@@ -1973,7 +1972,7 @@ void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentHandleImpl *const torrent = m_torrents.value(infoHash);
+        TorrentImpl *const torrent = m_torrents.value(infoHash);
         if (torrent && !torrent->isSeed())
             torrentQueue.emplace(torrent->queuePosition(), torrent);
     }
@@ -1981,7 +1980,7 @@ void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Bottom torrents queue position (starting with the one in the highest queue position)
     while (!torrentQueue.empty())
     {
-        const TorrentHandleImpl *torrent = torrentQueue.top().second;
+        const TorrentImpl *torrent = torrentQueue.top().second;
         torrentQueuePositionBottom(torrent->nativeHandle());
         torrentQueue.pop();
     }
@@ -1992,17 +1991,17 @@ void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
     saveTorrentsQueue();
 }
 
-void Session::handleTorrentSaveResumeDataRequested(const TorrentHandleImpl *torrent)
+void Session::handleTorrentSaveResumeDataRequested(const TorrentImpl *torrent)
 {
     qDebug("Saving resume data is requested for torrent '%s'...", qUtf8Printable(torrent->name()));
     ++m_numResumeData;
 }
 
-QVector<TorrentHandle *> Session::torrents() const
+QVector<Torrent *> Session::torrents() const
 {
-    QVector<TorrentHandle *> result;
+    QVector<Torrent *> result;
     result.reserve(m_torrents.size());
-    for (TorrentHandleImpl *torrent : asConst(m_torrents))
+    for (TorrentImpl *torrent : asConst(m_torrents))
         result << torrent;
 
     return result;
@@ -2040,14 +2039,14 @@ bool Session::addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &par
 {
     if (!magnetUri.isValid()) return false;
 
-    return addTorrent_impl(params, magnetUri);
+    return addTorrent_impl(magnetUri, params);
 }
 
 bool Session::addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params)
 {
     if (!torrentInfo.isValid()) return false;
 
-    return addTorrent_impl(params, MagnetUri(), torrentInfo);
+    return addTorrent_impl(torrentInfo, params);
 }
 
 LoadTorrentParams Session::initLoadTorrentParams(const AddTorrentParams &addTorrentParams)
@@ -2058,19 +2057,13 @@ LoadTorrentParams Session::initLoadTorrentParams(const AddTorrentParams &addTorr
     loadTorrentParams.tags = addTorrentParams.tags;
     loadTorrentParams.firstLastPiecePriority = addTorrentParams.firstLastPiecePriority;
     loadTorrentParams.hasSeedStatus = addTorrentParams.skipChecking; // do not react on 'torrent_finished_alert' when skipping
-    loadTorrentParams.contentLayout = (addTorrentParams.contentLayout
-                                       ? *addTorrentParams.contentLayout
-                                       : torrentContentLayout());
-    loadTorrentParams.forced = (addTorrentParams.addForced == TriStateBool::True);
-    loadTorrentParams.paused = ((addTorrentParams.addPaused == TriStateBool::Undefined)
-                    ? isAddTorrentPaused()
-                    : (addTorrentParams.addPaused == TriStateBool::True));
+    loadTorrentParams.contentLayout = addTorrentParams.contentLayout.value_or(torrentContentLayout());
+    loadTorrentParams.forced = addTorrentParams.addForced;
+    loadTorrentParams.paused = addTorrentParams.addPaused.value_or(isAddTorrentPaused());
     loadTorrentParams.ratioLimit = addTorrentParams.ratioLimit;
     loadTorrentParams.seedingTimeLimit = addTorrentParams.seedingTimeLimit;
 
-    const bool useAutoTMM = ((addTorrentParams.useAutoTMM == TriStateBool::Undefined)
-                           ? !isAutoTMMDisabledByDefault()
-                           : (addTorrentParams.useAutoTMM == TriStateBool::True));
+    const bool useAutoTMM = addTorrentParams.useAutoTMM.value_or(!isAutoTMMDisabledByDefault());
     if (useAutoTMM)
         loadTorrentParams.savePath = "";
     else if (addTorrentParams.savePath.trimmed().isEmpty())
@@ -2088,9 +2081,11 @@ LoadTorrentParams Session::initLoadTorrentParams(const AddTorrentParams &addTorr
 }
 
 // Add a torrent to the BitTorrent session
-bool Session::addTorrent_impl(const AddTorrentParams &addTorrentParams, const MagnetUri &magnetUri, TorrentInfo metadata)
+bool Session::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source, const AddTorrentParams &addTorrentParams)
 {
-    const bool hasMetadata = metadata.isValid();
+    const bool hasMetadata = std::holds_alternative<TorrentInfo>(source);
+    TorrentInfo metadata = (hasMetadata ? std::get<TorrentInfo>(source) : TorrentInfo {});
+    const MagnetUri &magnetUri = (hasMetadata ? MagnetUri {} : std::get<MagnetUri>(source));
     const InfoHash hash = (hasMetadata ? metadata.hash() : magnetUri.hash());
 
     // It looks illogical that we don't just use an existing handle,
@@ -2104,7 +2099,7 @@ bool Session::addTorrent_impl(const AddTorrentParams &addTorrentParams, const Ma
     if (m_loadingTorrents.contains(hash))
         return false;
 
-    TorrentHandleImpl *const torrent = m_torrents.value(hash);
+    TorrentImpl *const torrent = m_torrents.value(hash);
     if (torrent)
     {  // a duplicate torrent is added
         if (torrent->isPrivate() || (hasMetadata && metadata.isPrivate()))
@@ -2298,7 +2293,7 @@ bool Session::downloadMetadata(const MagnetUri &magnetUri)
     return true;
 }
 
-void Session::exportTorrentFile(const TorrentHandle *torrent, TorrentExportFolder folder)
+void Session::exportTorrentFile(const Torrent *torrent, TorrentExportFolder folder)
 {
     Q_ASSERT(((folder == TorrentExportFolder::Regular) && !torrentExportDirectory().isEmpty()) ||
              ((folder == TorrentExportFolder::Finished) && !finishedTorrentExportDirectory().isEmpty()));
@@ -2326,7 +2321,7 @@ void Session::exportTorrentFile(const TorrentHandle *torrent, TorrentExportFolde
 
 void Session::generateResumeData()
 {
-    for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+    for (TorrentImpl *const torrent : asConst(m_torrents))
     {
         if (!torrent->isValid()) continue;
 
@@ -2372,7 +2367,7 @@ void Session::saveTorrentsQueue()
 {
     // store hash in textual representation
     QMap<int, QString> queue; // Use QMap since it should be ordered by key
-    for (const TorrentHandleImpl *torrent : asConst(m_torrents))
+    for (const TorrentImpl *torrent : asConst(m_torrents))
     {
         // We require actual (non-cached) queue position here!
         const int queuePos = static_cast<LTUnderlyingType<lt::queue_position_t>>(torrent->nativeHandle().queue_position());
@@ -2414,10 +2409,10 @@ void Session::setDefaultSavePath(QString path)
     m_defaultSavePath = path;
 
     if (isDisableAutoTMMWhenDefaultSavePathChanged())
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             torrent->setAutoTMMEnabled(false);
     else
-        for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+        for (TorrentImpl *const torrent : asConst(m_torrents))
             torrent->handleCategorySavePathChanged();
 }
 
@@ -2428,7 +2423,7 @@ void Session::setTempPath(QString path)
 
     m_tempPath = path;
 
-    for (TorrentHandleImpl *const torrent : asConst(m_torrents))
+    for (TorrentImpl *const torrent : asConst(m_torrents))
         torrent->handleTempPathChanged();
 }
 
@@ -3142,7 +3137,7 @@ void Session::setPeerTurnoverInterval(const int val)
 
 int Session::asyncIOThreads() const
 {
-    return qBound(1, m_asyncIOThreads.value(), 1024);
+    return qBound(1, m_asyncIOThreads.get(), 1024);
 }
 
 void Session::setAsyncIOThreads(const int num)
@@ -3156,7 +3151,7 @@ void Session::setAsyncIOThreads(const int num)
 
 int Session::hashingThreads() const
 {
-    return qBound(1, m_hashingThreads.value(), 1024);
+    return qBound(1, m_hashingThreads.get(), 1024);
 }
 
 void Session::setHashingThreads(const int num)
@@ -3184,7 +3179,7 @@ void Session::setFilePoolSize(const int size)
 
 int Session::checkingMemUsage() const
 {
-    return qMax(1, m_checkingMemUsage.value());
+    return qMax(1, m_checkingMemUsage.get());
 }
 
 void Session::setCheckingMemUsage(int size)
@@ -3201,11 +3196,11 @@ void Session::setCheckingMemUsage(int size)
 int Session::diskCacheSize() const
 {
 #ifdef QBT_APP_64BIT
-    return qMin(m_diskCacheSize.value(), 33554431);  // 32768GiB
+    return qMin(m_diskCacheSize.get(), 33554431);  // 32768GiB
 #else
     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes
     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
-    return qMin(m_diskCacheSize.value(), 1536);
+    return qMin(m_diskCacheSize.get(), 1536);
 #endif
 }
 
@@ -3737,7 +3732,7 @@ bool Session::isListening() const
 
 MaxRatioAction Session::maxRatioAction() const
 {
-    return static_cast<MaxRatioAction>(m_maxRatioAction.value());
+    return static_cast<MaxRatioAction>(m_maxRatioAction.get());
 }
 
 void Session::setMaxRatioAction(const MaxRatioAction act)
@@ -3756,8 +3751,8 @@ bool Session::isKnownTorrent(const InfoHash &hash) const
 
 void Session::updateSeedingLimitTimer()
 {
-    if ((globalMaxRatio() == TorrentHandle::NO_RATIO_LIMIT) && !hasPerTorrentRatioLimit()
-        && (globalMaxSeedingMinutes() == TorrentHandle::NO_SEEDING_TIME_LIMIT) && !hasPerTorrentSeedingTimeLimit())
+    if ((globalMaxRatio() == Torrent::NO_RATIO_LIMIT) && !hasPerTorrentRatioLimit()
+        && (globalMaxSeedingMinutes() == Torrent::NO_SEEDING_TIME_LIMIT) && !hasPerTorrentSeedingTimeLimit())
         {
         if (m_seedingLimitTimer->isActive())
             m_seedingLimitTimer->stop();
@@ -3768,48 +3763,48 @@ void Session::updateSeedingLimitTimer()
     }
 }
 
-void Session::handleTorrentShareLimitChanged(TorrentHandleImpl *const torrent)
+void Session::handleTorrentShareLimitChanged(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
     updateSeedingLimitTimer();
 }
 
-void Session::handleTorrentNameChanged(TorrentHandleImpl *const torrent)
+void Session::handleTorrentNameChanged(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
 }
 
-void Session::handleTorrentSavePathChanged(TorrentHandleImpl *const torrent)
+void Session::handleTorrentSavePathChanged(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
     emit torrentSavePathChanged(torrent);
 }
 
-void Session::handleTorrentCategoryChanged(TorrentHandleImpl *const torrent, const QString &oldCategory)
+void Session::handleTorrentCategoryChanged(TorrentImpl *const torrent, const QString &oldCategory)
 {
     torrent->saveResumeData();
     emit torrentCategoryChanged(torrent, oldCategory);
 }
 
-void Session::handleTorrentTagAdded(TorrentHandleImpl *const torrent, const QString &tag)
+void Session::handleTorrentTagAdded(TorrentImpl *const torrent, const QString &tag)
 {
     torrent->saveResumeData();
     emit torrentTagAdded(torrent, tag);
 }
 
-void Session::handleTorrentTagRemoved(TorrentHandleImpl *const torrent, const QString &tag)
+void Session::handleTorrentTagRemoved(TorrentImpl *const torrent, const QString &tag)
 {
     torrent->saveResumeData();
     emit torrentTagRemoved(torrent, tag);
 }
 
-void Session::handleTorrentSavingModeChanged(TorrentHandleImpl *const torrent)
+void Session::handleTorrentSavingModeChanged(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
     emit torrentSavingModeChanged(torrent);
 }
 
-void Session::handleTorrentTrackersAdded(TorrentHandleImpl *const torrent, const QVector<TrackerEntry> &newTrackers)
+void Session::handleTorrentTrackersAdded(TorrentImpl *const torrent, const QVector<TrackerEntry> &newTrackers)
 {
     torrent->saveResumeData();
 
@@ -3821,7 +3816,7 @@ void Session::handleTorrentTrackersAdded(TorrentHandleImpl *const torrent, const
     emit trackersChanged(torrent);
 }
 
-void Session::handleTorrentTrackersRemoved(TorrentHandleImpl *const torrent, const QVector<TrackerEntry> &deletedTrackers)
+void Session::handleTorrentTrackersRemoved(TorrentImpl *const torrent, const QVector<TrackerEntry> &deletedTrackers)
 {
     torrent->saveResumeData();
 
@@ -3833,27 +3828,27 @@ void Session::handleTorrentTrackersRemoved(TorrentHandleImpl *const torrent, con
     emit trackersChanged(torrent);
 }
 
-void Session::handleTorrentTrackersChanged(TorrentHandleImpl *const torrent)
+void Session::handleTorrentTrackersChanged(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
     emit trackersChanged(torrent);
 }
 
-void Session::handleTorrentUrlSeedsAdded(TorrentHandleImpl *const torrent, const QVector<QUrl> &newUrlSeeds)
+void Session::handleTorrentUrlSeedsAdded(TorrentImpl *const torrent, const QVector<QUrl> &newUrlSeeds)
 {
     torrent->saveResumeData();
     for (const QUrl &newUrlSeed : newUrlSeeds)
         LogMsg(tr("URL seed '%1' was added to torrent '%2'").arg(newUrlSeed.toString(), torrent->name()));
 }
 
-void Session::handleTorrentUrlSeedsRemoved(TorrentHandleImpl *const torrent, const QVector<QUrl> &urlSeeds)
+void Session::handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QVector<QUrl> &urlSeeds)
 {
     torrent->saveResumeData();
     for (const QUrl &urlSeed : urlSeeds)
         LogMsg(tr("URL seed '%1' was removed from torrent '%2'").arg(urlSeed.toString(), torrent->name()));
 }
 
-void Session::handleTorrentMetadataReceived(TorrentHandleImpl *const torrent)
+void Session::handleTorrentMetadataReceived(TorrentImpl *const torrent)
 {
     // Save metadata
     const QDir resumeDataDir {m_resumeFolderPath};
@@ -3874,24 +3869,24 @@ void Session::handleTorrentMetadataReceived(TorrentHandleImpl *const torrent)
     emit torrentMetadataReceived(torrent);
 }
 
-void Session::handleTorrentPaused(TorrentHandleImpl *const torrent)
+void Session::handleTorrentPaused(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
     emit torrentPaused(torrent);
 }
 
-void Session::handleTorrentResumed(TorrentHandleImpl *const torrent)
+void Session::handleTorrentResumed(TorrentImpl *const torrent)
 {
     torrent->saveResumeData();
     emit torrentResumed(torrent);
 }
 
-void Session::handleTorrentChecked(TorrentHandleImpl *const torrent)
+void Session::handleTorrentChecked(TorrentImpl *const torrent)
 {
     emit torrentFinishedChecking(torrent);
 }
 
-void Session::handleTorrentFinished(TorrentHandleImpl *const torrent)
+void Session::handleTorrentFinished(TorrentImpl *const torrent)
 {
     if (!torrent->hasError() && !torrent->hasMissingFiles())
         torrent->saveResumeData();
@@ -3930,7 +3925,7 @@ void Session::handleTorrentFinished(TorrentHandleImpl *const torrent)
         emit allTorrentsFinished();
 }
 
-void Session::handleTorrentResumeDataReady(TorrentHandleImpl *const torrent, const std::shared_ptr<lt::entry> &data)
+void Session::handleTorrentResumeDataReady(TorrentImpl *const torrent, const std::shared_ptr<lt::entry> &data)
 {
     --m_numResumeData;
 
@@ -3947,17 +3942,17 @@ void Session::handleTorrentResumeDataReady(TorrentHandleImpl *const torrent, con
 #endif
 }
 
-void Session::handleTorrentTrackerReply(TorrentHandleImpl *const torrent, const QString &trackerUrl)
+void Session::handleTorrentTrackerReply(TorrentImpl *const torrent, const QString &trackerUrl)
 {
     emit trackerSuccess(torrent, trackerUrl);
 }
 
-void Session::handleTorrentTrackerError(TorrentHandleImpl *const torrent, const QString &trackerUrl)
+void Session::handleTorrentTrackerError(TorrentImpl *const torrent, const QString &trackerUrl)
 {
     emit trackerError(torrent, trackerUrl);
 }
 
-bool Session::addMoveTorrentStorageJob(TorrentHandleImpl *torrent, const QString &newPath, const MoveStorageMode mode)
+bool Session::addMoveTorrentStorageJob(TorrentImpl *torrent, const QString &newPath, const MoveStorageMode mode)
 {
     Q_ASSERT(torrent);
 
@@ -4014,7 +4009,7 @@ bool Session::addMoveTorrentStorageJob(TorrentHandleImpl *torrent, const QString
 void Session::moveTorrentStorage(const MoveStorageJob &job) const
 {
     const InfoHash infoHash = job.torrentHandle.info_hash();
-    const TorrentHandleImpl *torrent = m_torrents.value(infoHash);
+    const TorrentImpl *torrent = m_torrents.value(infoHash);
     const QString torrentName = (torrent ? torrent->name() : QString {infoHash});
     LogMsg(tr("Moving \"%1\" to \"%2\"...").arg(torrentName, job.path));
 
@@ -4037,7 +4032,7 @@ void Session::handleMoveTorrentStorageJobFinished()
 
     const bool torrentHasOutstandingJob = (iter != m_moveStorageQueue.cend());
 
-    TorrentHandleImpl *torrent = m_torrents.value(finishedJob.torrentHandle.info_hash());
+    TorrentImpl *torrent = m_torrents.value(finishedJob.torrentHandle.info_hash());
     if (torrent)
     {
         torrent->handleMoveStorageJobFinished(torrentHasOutstandingJob);
@@ -4047,19 +4042,19 @@ void Session::handleMoveTorrentStorageJobFinished()
         // Last job is completed for torrent that being removing, so actually remove it
         const lt::torrent_handle nativeHandle {finishedJob.torrentHandle};
         const RemovingTorrentData &removingTorrentData = m_removingTorrents[nativeHandle.info_hash()];
-        if (removingTorrentData.deleteOption == Torrent)
+        if (removingTorrentData.deleteOption == DeleteTorrent)
             m_nativeSession->remove_torrent(nativeHandle, lt::session::delete_partfile);
     }
 }
 
-void Session::handleTorrentTrackerWarning(TorrentHandleImpl *const torrent, const QString &trackerUrl)
+void Session::handleTorrentTrackerWarning(TorrentImpl *const torrent, const QString &trackerUrl)
 {
     emit trackerWarning(torrent, trackerUrl);
 }
 
 bool Session::hasPerTorrentRatioLimit() const
 {
-    return std::any_of(m_torrents.cbegin(), m_torrents.cend(), [](const TorrentHandleImpl *torrent)
+    return std::any_of(m_torrents.cbegin(), m_torrents.cend(), [](const TorrentImpl *torrent)
     {
         return (torrent->ratioLimit() >= 0);
     });
@@ -4067,7 +4062,7 @@ bool Session::hasPerTorrentRatioLimit() const
 
 bool Session::hasPerTorrentSeedingTimeLimit() const
 {
-    return std::any_of(m_torrents.cbegin(), m_torrents.cend(), [](const TorrentHandleImpl *torrent)
+    return std::any_of(m_torrents.cbegin(), m_torrents.cend(), [](const TorrentImpl *torrent)
     {
         return (torrent->seedingTimeLimit() >= 0);
     });
@@ -4148,7 +4143,7 @@ void Session::disableIPFilter()
 
 void Session::recursiveTorrentDownload(const InfoHash &hash)
 {
-    TorrentHandleImpl *const torrent = m_torrents.value(hash);
+    TorrentImpl *const torrent = m_torrents.value(hash);
     if (!torrent) return;
 
     for (int i = 0; i < torrent->filesCount(); ++i)
@@ -4194,7 +4189,7 @@ bool Session::loadTorrentResumeData(const QByteArray &data, const TorrentInfo &m
         Utils::Fs::toUniformPath(fromLTString(root.dict_find_string_value("qBt-savePath"))));
     torrentParams.hasSeedStatus = root.dict_find_int_value("qBt-seedStatus");
     torrentParams.firstLastPiecePriority = root.dict_find_int_value("qBt-firstLastPiecePriority");
-    torrentParams.seedingTimeLimit = root.dict_find_int_value("qBt-seedingTimeLimit", TorrentHandle::USE_GLOBAL_SEEDING_TIME);
+    torrentParams.seedingTimeLimit = root.dict_find_int_value("qBt-seedingTimeLimit", Torrent::USE_GLOBAL_SEEDING_TIME);
 
     // TODO: The following code is deprecated. Replace with the commented one after several releases in 4.4.x.
     // === BEGIN DEPRECATED CODE === //
@@ -4217,7 +4212,7 @@ bool Session::loadTorrentResumeData(const QByteArray &data, const TorrentInfo &m
 
     const lt::string_view ratioLimitString = root.dict_find_string_value("qBt-ratioLimit");
     if (ratioLimitString.empty())
-        torrentParams.ratioLimit = root.dict_find_int_value("qBt-ratioLimit", TorrentHandle::USE_GLOBAL_RATIO * 1000) / 1000.0;
+        torrentParams.ratioLimit = root.dict_find_int_value("qBt-ratioLimit", Torrent::USE_GLOBAL_RATIO * 1000) / 1000.0;
     else
         torrentParams.ratioLimit = fromLTString(ratioLimitString).toDouble();
 
@@ -4551,7 +4546,7 @@ void Session::handleAlert(const lt::alert *a)
 
 void Session::dispatchTorrentAlert(const lt::alert *a)
 {
-    TorrentHandleImpl *const torrent = m_torrents.value(static_cast<const lt::torrent_alert*>(a)->handle.info_hash());
+    TorrentImpl *const torrent = m_torrents.value(static_cast<const lt::torrent_alert*>(a)->handle.info_hash());
     if (torrent)
     {
         torrent->handleAlert(a);
@@ -4566,13 +4561,13 @@ void Session::dispatchTorrentAlert(const lt::alert *a)
     }
 }
 
-void Session::createTorrentHandle(const lt::torrent_handle &nativeHandle)
+void Session::createTorrent(const lt::torrent_handle &nativeHandle)
 {
     Q_ASSERT(m_loadingTorrents.contains(nativeHandle.info_hash()));
 
     const LoadTorrentParams params = m_loadingTorrents.take(nativeHandle.info_hash());
 
-    auto *const torrent = new TorrentHandleImpl {this, m_nativeSession, nativeHandle, params};
+    auto *const torrent = new TorrentImpl {this, m_nativeSession, nativeHandle, params};
     m_torrents.insert(torrent->hash(), torrent);
 
     const bool hasMetadata = torrent->hasMetadata();
@@ -4640,7 +4635,7 @@ void Session::handleAddTorrentAlert(const lt::add_torrent_alert *p)
     }
     else if (m_loadingTorrents.contains(p->handle.info_hash()))
     {
-        createTorrentHandle(p->handle);
+        createTorrent(p->handle);
     }
 }
 
@@ -4651,7 +4646,7 @@ void Session::handleTorrentRemovedAlert(const lt::torrent_removed_alert *p)
     const auto removingTorrentDataIter = m_removingTorrents.find(infoHash);
     if (removingTorrentDataIter != m_removingTorrents.end())
     {
-        if (removingTorrentDataIter->deleteOption == Torrent)
+        if (removingTorrentDataIter->deleteOption == DeleteTorrent)
         {
             LogMsg(tr("'%1' was removed from the transfer list.", "'xxx.avi' was removed...").arg(removingTorrentDataIter->name));
             m_removingTorrents.erase(removingTorrentDataIter);
@@ -4717,7 +4712,7 @@ void Session::handleMetadataReceivedAlert(const lt::metadata_received_alert *p)
 
 void Session::handleFileErrorAlert(const lt::file_error_alert *p)
 {
-    TorrentHandleImpl *const torrent = m_torrents.value(p->handle.info_hash());
+    TorrentImpl *const torrent = m_torrents.value(p->handle.info_hash());
     if (!torrent)
         return;
 
@@ -4787,7 +4782,7 @@ void Session::handlePeerBanAlert(const lt::peer_ban_alert *p)
 
 void Session::handleUrlSeedAlert(const lt::url_seed_alert *p)
 {
-    const TorrentHandleImpl *torrent = m_torrents.value(p->handle.info_hash());
+    const TorrentImpl *torrent = m_torrents.value(p->handle.info_hash());
     if (!torrent)
         return;
 
@@ -4925,13 +4920,10 @@ void Session::handleStorageMovedAlert(const lt::storage_moved_alert *p)
     Q_ASSERT(newPath == currentJob.path);
 
     const InfoHash infoHash = currentJob.torrentHandle.info_hash();
-    TorrentHandleImpl *torrent = m_torrents.value(infoHash);
+    TorrentImpl *torrent = m_torrents.value(infoHash);
     const QString torrentName = (torrent ? torrent->name() : QString {infoHash});
     LogMsg(tr("\"%1\" is successfully moved to \"%2\".").arg(torrentName, newPath));
 
-    if (torrent)
-        emit torrentStorageMoveFinished(torrent, newPath);
-
     handleMoveTorrentStorageJobFinished();
 }
 
@@ -4943,27 +4935,24 @@ void Session::handleStorageMovedFailedAlert(const lt::storage_moved_failed_alert
     Q_ASSERT(currentJob.torrentHandle == p->handle);
 
     const InfoHash infoHash = currentJob.torrentHandle.info_hash();
-    TorrentHandleImpl *torrent = m_torrents.value(infoHash);
+    TorrentImpl *torrent = m_torrents.value(infoHash);
     const QString torrentName = (torrent ? torrent->name() : QString {infoHash});
     const QString currentLocation = QString::fromStdString(p->handle.status(lt::torrent_handle::query_save_path).save_path);
     const QString errorMessage = QString::fromStdString(p->message());
     LogMsg(tr("Failed to move \"%1\" from \"%2\" to \"%3\". Reason: %4.")
            .arg(torrentName, currentLocation, currentJob.path, errorMessage), Log::CRITICAL);
 
-    if (torrent)
-        emit torrentStorageMoveFailed(torrent, currentJob.path, errorMessage);
-
     handleMoveTorrentStorageJobFinished();
 }
 
 void Session::handleStateUpdateAlert(const lt::state_update_alert *p)
 {
-    QVector<TorrentHandle *> updatedTorrents;
+    QVector<Torrent *> updatedTorrents;
     updatedTorrents.reserve(p->status.size());
 
     for (const lt::torrent_status &status : p->status)
     {
-        TorrentHandleImpl *const torrent = m_torrents.value(status.info_hash);
+        TorrentImpl *const torrent = m_torrents.value(status.info_hash);
 
         if (!torrent)
             continue;

src/base/bittorrent/session.h

@@ -30,6 +30,7 @@
 #pragma once
 
 #include <memory>
+#include <variant>
 #include <vector>
 
 #include <libtorrent/add_torrent_params.hpp>
@@ -84,8 +85,8 @@ enum MaxRatioAction
 
 enum DeleteOption
 {
-    Torrent,
-    TorrentAndFiles
+    DeleteTorrent,
+    DeleteTorrentAndFiles
 };
 
 enum TorrentExportFolder
@@ -103,8 +104,8 @@ namespace BitTorrent
 {
     class InfoHash;
     class MagnetUri;
-    class TorrentHandle;
-    class TorrentHandleImpl;
+    class Torrent;
+    class TorrentImpl;
     class Tracker;
     class TrackerEntry;
     struct LoadTorrentParams;
@@ -439,8 +440,8 @@ namespace BitTorrent
 #endif
 
         void startUpTorrents();
-        TorrentHandle *findTorrent(const InfoHash &hash) const;
-        QVector<TorrentHandle *> torrents() const;
+        Torrent *findTorrent(const InfoHash &hash) const;
+        QVector<Torrent *> torrents() const;
         bool hasActiveTorrents() const;
         bool hasUnfinishedTorrents() const;
         bool hasRunningSeed() const;
@@ -459,7 +460,7 @@ namespace BitTorrent
         bool addTorrent(const QString &source, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &params = AddTorrentParams());
         bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams());
-        bool deleteTorrent(const InfoHash &hash, DeleteOption deleteOption = Torrent);
+        bool deleteTorrent(const InfoHash &hash, DeleteOption deleteOption = DeleteTorrent);
         bool downloadMetadata(const MagnetUri &magnetUri);
         bool cancelDownloadMetadata(const InfoHash &hash);
 
@@ -469,31 +470,31 @@ namespace BitTorrent
         void topTorrentsQueuePos(const QVector<InfoHash> &hashes);
         void bottomTorrentsQueuePos(const QVector<InfoHash> &hashes);
 
-        // TorrentHandle interface
-        void handleTorrentSaveResumeDataRequested(const TorrentHandleImpl *torrent);
-        void handleTorrentShareLimitChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentNameChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentSavePathChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentCategoryChanged(TorrentHandleImpl *const torrent, const QString &oldCategory);
-        void handleTorrentTagAdded(TorrentHandleImpl *const torrent, const QString &tag);
-        void handleTorrentTagRemoved(TorrentHandleImpl *const torrent, const QString &tag);
-        void handleTorrentSavingModeChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentMetadataReceived(TorrentHandleImpl *const torrent);
-        void handleTorrentPaused(TorrentHandleImpl *const torrent);
-        void handleTorrentResumed(TorrentHandleImpl *const torrent);
-        void handleTorrentChecked(TorrentHandleImpl *const torrent);
-        void handleTorrentFinished(TorrentHandleImpl *const torrent);
-        void handleTorrentTrackersAdded(TorrentHandleImpl *const torrent, const QVector<TrackerEntry> &newTrackers);
-        void handleTorrentTrackersRemoved(TorrentHandleImpl *const torrent, const QVector<TrackerEntry> &deletedTrackers);
-        void handleTorrentTrackersChanged(TorrentHandleImpl *const torrent);
-        void handleTorrentUrlSeedsAdded(TorrentHandleImpl *const torrent, const QVector<QUrl> &newUrlSeeds);
-        void handleTorrentUrlSeedsRemoved(TorrentHandleImpl *const torrent, const QVector<QUrl> &urlSeeds);
-        void handleTorrentResumeDataReady(TorrentHandleImpl *const torrent, const std::shared_ptr<lt::entry> &data);
-        void handleTorrentTrackerReply(TorrentHandleImpl *const torrent, const QString &trackerUrl);
-        void handleTorrentTrackerWarning(TorrentHandleImpl *const torrent, const QString &trackerUrl);
-        void handleTorrentTrackerError(TorrentHandleImpl *const torrent, const QString &trackerUrl);
+        // Torrent interface
+        void handleTorrentSaveResumeDataRequested(const TorrentImpl *torrent);
+        void handleTorrentShareLimitChanged(TorrentImpl *const torrent);
+        void handleTorrentNameChanged(TorrentImpl *const torrent);
+        void handleTorrentSavePathChanged(TorrentImpl *const torrent);
+        void handleTorrentCategoryChanged(TorrentImpl *const torrent, const QString &oldCategory);
+        void handleTorrentTagAdded(TorrentImpl *const torrent, const QString &tag);
+        void handleTorrentTagRemoved(TorrentImpl *const torrent, const QString &tag);
+        void handleTorrentSavingModeChanged(TorrentImpl *const torrent);
+        void handleTorrentMetadataReceived(TorrentImpl *const torrent);
+        void handleTorrentPaused(TorrentImpl *const torrent);
+        void handleTorrentResumed(TorrentImpl *const torrent);
+        void handleTorrentChecked(TorrentImpl *const torrent);
+        void handleTorrentFinished(TorrentImpl *const torrent);
+        void handleTorrentTrackersAdded(TorrentImpl *const torrent, const QVector<TrackerEntry> &newTrackers);
+        void handleTorrentTrackersRemoved(TorrentImpl *const torrent, const QVector<TrackerEntry> &deletedTrackers);
+        void handleTorrentTrackersChanged(TorrentImpl *const torrent);
+        void handleTorrentUrlSeedsAdded(TorrentImpl *const torrent, const QVector<QUrl> &newUrlSeeds);
+        void handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QVector<QUrl> &urlSeeds);
+        void handleTorrentResumeDataReady(TorrentImpl *const torrent, const std::shared_ptr<lt::entry> &data);
+        void handleTorrentTrackerReply(TorrentImpl *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerWarning(TorrentImpl *const torrent, const QString &trackerUrl);
+        void handleTorrentTrackerError(TorrentImpl *const torrent, const QString &trackerUrl);
 
-        bool addMoveTorrentStorageJob(TorrentHandleImpl *torrent, const QString &newPath, MoveStorageMode mode);
+        bool addMoveTorrentStorageJob(TorrentImpl *torrent, const QString &newPath, MoveStorageMode mode);
 
         void findIncompleteFiles(const TorrentInfo &torrentInfo, const QString &savePath) const;
 
@@ -503,39 +504,37 @@ namespace BitTorrent
         void categoryRemoved(const QString &categoryName);
         void downloadFromUrlFailed(const QString &url, const QString &reason);
         void downloadFromUrlFinished(const QString &url);
-        void fullDiskError(TorrentHandle *torrent, const QString &msg);
+        void fullDiskError(Torrent *torrent, const QString &msg);
         void IPFilterParsed(bool error, int ruleCount);
         void loadTorrentFailed(const QString &error);
         void metadataDownloaded(const TorrentInfo &info);
-        void recursiveTorrentDownloadPossible(TorrentHandle *torrent);
+        void recursiveTorrentDownloadPossible(Torrent *torrent);
         void speedLimitModeChanged(bool alternative);
         void statsUpdated();
         void subcategoriesSupportChanged();
         void tagAdded(const QString &tag);
         void tagRemoved(const QString &tag);
-        void torrentAboutToBeRemoved(TorrentHandle *torrent);
-        void torrentAdded(TorrentHandle *torrent);
-        void torrentCategoryChanged(TorrentHandle *torrent, const QString &oldCategory);
-        void torrentFinished(TorrentHandle *torrent);
-        void torrentFinishedChecking(TorrentHandle *torrent);
-        void torrentLoaded(TorrentHandle *torrent);
-        void torrentMetadataReceived(TorrentHandle *torrent);
-        void torrentPaused(TorrentHandle *torrent);
-        void torrentResumed(TorrentHandle *torrent);
-        void torrentSavePathChanged(TorrentHandle *torrent);
-        void torrentSavingModeChanged(TorrentHandle *torrent);
-        void torrentStorageMoveFailed(TorrentHandle *torrent, const QString &targetPath, const QString &error);
-        void torrentStorageMoveFinished(TorrentHandle *torrent, const QString &newPath);
-        void torrentsUpdated(const QVector<TorrentHandle *> &torrents);
-        void torrentTagAdded(TorrentHandle *torrent, const QString &tag);
-        void torrentTagRemoved(TorrentHandle *torrent, const QString &tag);
-        void trackerError(TorrentHandle *torrent, const QString &tracker);
-        void trackerlessStateChanged(TorrentHandle *torrent, bool trackerless);
-        void trackersAdded(TorrentHandle *torrent, const QVector<TrackerEntry> &trackers);
-        void trackersChanged(TorrentHandle *torrent);
-        void trackersRemoved(TorrentHandle *torrent, const QVector<TrackerEntry> &trackers);
-        void trackerSuccess(TorrentHandle *torrent, const QString &tracker);
-        void trackerWarning(TorrentHandle *torrent, const QString &tracker);
+        void torrentAboutToBeRemoved(Torrent *torrent);
+        void torrentAdded(Torrent *torrent);
+        void torrentCategoryChanged(Torrent *torrent, const QString &oldCategory);
+        void torrentFinished(Torrent *torrent);
+        void torrentFinishedChecking(Torrent *torrent);
+        void torrentLoaded(Torrent *torrent);
+        void torrentMetadataReceived(Torrent *torrent);
+        void torrentPaused(Torrent *torrent);
+        void torrentResumed(Torrent *torrent);
+        void torrentSavePathChanged(Torrent *torrent);
+        void torrentSavingModeChanged(Torrent *torrent);
+        void torrentsUpdated(const QVector<Torrent *> &torrents);
+        void torrentTagAdded(Torrent *torrent, const QString &tag);
+        void torrentTagRemoved(Torrent *torrent, const QString &tag);
+        void trackerError(Torrent *torrent, const QString &tracker);
+        void trackerlessStateChanged(Torrent *torrent, bool trackerless);
+        void trackersAdded(Torrent *torrent, const QVector<TrackerEntry> &trackers);
+        void trackersChanged(Torrent *torrent);
+        void trackersRemoved(Torrent *torrent, const QVector<TrackerEntry> &trackers);
+        void trackerSuccess(Torrent *torrent, const QString &tracker);
+        void trackerWarning(Torrent *torrent, const QString &tracker);
 
     private slots:
         void configureDeferred();
@@ -602,10 +601,10 @@ namespace BitTorrent
         bool loadTorrentResumeData(const QByteArray &data, const TorrentInfo &metadata, LoadTorrentParams &torrentParams);
         bool loadTorrent(LoadTorrentParams params);
         LoadTorrentParams initLoadTorrentParams(const AddTorrentParams &addTorrentParams);
-        bool addTorrent_impl(const AddTorrentParams &addTorrentParams, const MagnetUri &magnetUri, TorrentInfo torrentInfo = TorrentInfo());
+        bool addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &source, const AddTorrentParams &addTorrentParams);
 
         void updateSeedingLimitTimer();
-        void exportTorrentFile(const TorrentHandle *torrent, TorrentExportFolder folder = TorrentExportFolder::Regular);
+        void exportTorrentFile(const Torrent *torrent, TorrentExportFolder folder = TorrentExportFolder::Regular);
 
         void handleAlert(const lt::alert *a);
         void dispatchTorrentAlert(const lt::alert *a);
@@ -630,7 +629,7 @@ namespace BitTorrent
         void handleStorageMovedFailedAlert(const lt::storage_moved_failed_alert *p);
         void handleSocks5Alert(const lt::socks5_alert *p) const;
 
-        void createTorrentHandle(const lt::torrent_handle &nativeHandle);
+        void createTorrent(const lt::torrent_handle &nativeHandle);
 
         void saveResumeData();
         void saveTorrentsQueue();
@@ -772,7 +771,7 @@ namespace BitTorrent
 
         QSet<InfoHash> m_downloadedMetadata;
 
-        QHash<InfoHash, TorrentHandleImpl *> m_torrents;
+        QHash<InfoHash, TorrentImpl *> m_torrents;
         QHash<InfoHash, LoadTorrentParams> m_loadingTorrents;
         QHash<QString, AddTorrentParams> m_downloadedTorrents;
         QHash<InfoHash, RemovingTorrentData> m_removingTorrents;

src/base/bittorrent/torrent.cpp

@@ -27,7 +27,7 @@
  * exception statement from your version.
  */
 
-#include "torrenthandle.h"
+#include "torrent.h"
 
 #include <type_traits>
 
@@ -40,33 +40,33 @@ namespace BitTorrent
         return ::qHash(static_cast<std::underlying_type_t<TorrentState>>(key), seed);
     }
 
-    // TorrentHandle
+    // Torrent
 
-    const qreal TorrentHandle::USE_GLOBAL_RATIO = -2.;
-    const qreal TorrentHandle::NO_RATIO_LIMIT = -1.;
+    const qreal Torrent::USE_GLOBAL_RATIO = -2.;
+    const qreal Torrent::NO_RATIO_LIMIT = -1.;
 
-    const int TorrentHandle::USE_GLOBAL_SEEDING_TIME = -2;
-    const int TorrentHandle::NO_SEEDING_TIME_LIMIT = -1;
+    const int Torrent::USE_GLOBAL_SEEDING_TIME = -2;
+    const int Torrent::NO_SEEDING_TIME_LIMIT = -1;
 
-    const qreal TorrentHandle::MAX_RATIO = 9999.;
-    const int TorrentHandle::MAX_SEEDING_TIME = 525600;
+    const qreal Torrent::MAX_RATIO = 9999.;
+    const int Torrent::MAX_SEEDING_TIME = 525600;
 
-    bool TorrentHandle::isResumed() const
+    bool Torrent::isResumed() const
     {
         return !isPaused();
     }
 
-    qlonglong TorrentHandle::remainingSize() const
+    qlonglong Torrent::remainingSize() const
     {
         return wantedSize() - completedSize();
     }
 
-    void TorrentHandle::toggleSequentialDownload()
+    void Torrent::toggleSequentialDownload()
     {
         setSequentialDownload(!isSequentialDownload());
     }
 
-    void TorrentHandle::toggleFirstLastPiecePriority()
+    void Torrent::toggleFirstLastPiecePriority()
     {
         setFirstLastPiecePriority(!hasFirstLastPiecePriority());
     }

src/base/bittorrent/torrent.h

@@ -33,6 +33,8 @@
 #include <QString>
 #include <QtContainerFwd>
 
+#include "abstractfilestorage.h"
+
 class QBitArray;
 class QDateTime;
 class QUrl;
@@ -89,7 +91,7 @@ namespace BitTorrent
 
     uint qHash(TorrentState key, uint seed);
 
-    class TorrentHandle
+    class Torrent : public AbstractFileStorage
     {
     public:
         static const qreal USE_GLOBAL_RATIO;
@@ -101,7 +103,7 @@ namespace BitTorrent
         static const qreal MAX_RATIO;
         static const int MAX_SEEDING_TIME;
 
-        virtual ~TorrentHandle() = default;
+        virtual ~Torrent() = default;
 
         virtual InfoHash hash() const = 0;
         virtual QString name() const = 0;
@@ -177,7 +179,6 @@ namespace BitTorrent
         virtual bool removeTag(const QString &tag) = 0;
         virtual void removeAllTags() = 0;
 
-        virtual int filesCount() const = 0;
         virtual int piecesCount() const = 0;
         virtual int piecesHave() const = 0;
         virtual qreal progress() const = 0;
@@ -185,9 +186,6 @@ namespace BitTorrent
         virtual qreal ratioLimit() const = 0;
         virtual int seedingTimeLimit() const = 0;
 
-        virtual QString filePath(int index) const = 0;
-        virtual QString fileName(int index) const = 0;
-        virtual qlonglong fileSize(int index) const = 0;
         virtual QStringList absoluteFilePaths() const = 0;
         virtual QVector<DownloadPriority> filePriorities() const = 0;
 
@@ -238,6 +236,9 @@ namespace BitTorrent
         virtual int downloadLimit() const = 0;
         virtual int uploadLimit() const = 0;
         virtual bool superSeeding() const = 0;
+        virtual bool isDHTDisabled() const = 0;
+        virtual bool isPEXDisabled() const = 0;
+        virtual bool isLSDDisabled() const = 0;
         virtual QVector<PeerInfo> peers() const = 0;
         virtual QBitArray pieces() const = 0;
         virtual QBitArray downloadingPieces() const = 0;
@@ -270,13 +271,15 @@ namespace BitTorrent
         virtual void forceReannounce(int index = -1) = 0;
         virtual void forceDHTAnnounce() = 0;
         virtual void forceRecheck() = 0;
-        virtual void renameFile(int index, const QString &name) = 0;
         virtual void prioritizeFiles(const QVector<DownloadPriority> &priorities) = 0;
         virtual void setRatioLimit(qreal limit) = 0;
         virtual void setSeedingTimeLimit(int limit) = 0;
         virtual void setUploadLimit(int limit) = 0;
         virtual void setDownloadLimit(int limit) = 0;
         virtual void setSuperSeeding(bool enable) = 0;
+        virtual void setDHTDisabled(bool disable) = 0;
+        virtual void setPEXDisabled(bool disable) = 0;
+        virtual void setLSDDisabled(bool disable) = 0;
         virtual void flushCache() const = 0;
         virtual void addTrackers(const QVector<TrackerEntry> &trackers) = 0;
         virtual void replaceTrackers(const QVector<TrackerEntry> &trackers) = 0;

src/base/bittorrent/torrentcreatorthread.cpp

@@ -45,6 +45,7 @@
 #include "base/utils/fs.h"
 #include "base/utils/io.h"
 #include "base/utils/string.h"
+#include "base/version.h"
 #include "ltunderlyingtype.h"
 
 namespace

src/base/bittorrent/torrentimpl.h

@@ -46,7 +46,7 @@
 
 #include "infohash.h"
 #include "speedmonitor.h"
-#include "torrenthandle.h"
+#include "torrent.h"
 #include "torrentinfo.h"
 
 namespace BitTorrent
@@ -69,8 +69,8 @@ namespace BitTorrent
         bool paused = false;
 
 
-        qreal ratioLimit = TorrentHandle::USE_GLOBAL_RATIO;
-        int seedingTimeLimit = TorrentHandle::USE_GLOBAL_SEEDING_TIME;
+        qreal ratioLimit = Torrent::USE_GLOBAL_RATIO;
+        int seedingTimeLimit = Torrent::USE_GLOBAL_SEEDING_TIME;
 
         bool restored = false;  // is existing torrent job?
     };
@@ -87,15 +87,15 @@ namespace BitTorrent
         HandleMetadata
     };
 
-    class TorrentHandleImpl final : public QObject, public TorrentHandle
+    class TorrentImpl final : public QObject, public Torrent
     {
-        Q_DISABLE_COPY(TorrentHandleImpl)
-        Q_DECLARE_TR_FUNCTIONS(BitTorrent::TorrentHandleImpl)
+        Q_DISABLE_COPY(TorrentImpl)
+        Q_DECLARE_TR_FUNCTIONS(BitTorrent::TorrentImpl)
 
     public:
-        TorrentHandleImpl(Session *session, lt::session *nativeSession
+        TorrentImpl(Session *session, lt::session *nativeSession
                           , const lt::torrent_handle &nativeHandle, const LoadTorrentParams &params);
-        ~TorrentHandleImpl() override;
+        ~TorrentImpl() override;
 
         bool isValid() const;
 
@@ -191,6 +191,9 @@ namespace BitTorrent
         int downloadLimit() const override;
         int uploadLimit() const override;
         bool superSeeding() const override;
+        bool isDHTDisabled() const override;
+        bool isPEXDisabled() const override;
+        bool isLSDDisabled() const override;
         QVector<PeerInfo> peers() const override;
         QBitArray pieces() const override;
         QBitArray downloadingPieces() const override;
@@ -217,13 +220,16 @@ namespace BitTorrent
         void forceReannounce(int index = -1) override;
         void forceDHTAnnounce() override;
         void forceRecheck() override;
-        void renameFile(int index, const QString &name) override;
+        void renameFile(int index, const QString &path) override;
         void prioritizeFiles(const QVector<DownloadPriority> &priorities) override;
         void setRatioLimit(qreal limit) override;
         void setSeedingTimeLimit(int limit) override;
         void setUploadLimit(int limit) override;
         void setDownloadLimit(int limit) override;
         void setSuperSeeding(bool enable) override;
+        void setDHTDisabled(bool disable) override;
+        void setPEXDisabled(bool disable) override;
+        void setLSDDisabled(bool disable) override;
         void flushCache() const override;
         void addTrackers(const QVector<TrackerEntry> &trackers) override;
         void replaceTrackers(const QVector<TrackerEntry> &trackers) override;
@@ -285,6 +291,7 @@ namespace BitTorrent
         void applyFirstLastPiecePriority(bool enabled, const QVector<DownloadPriority> &updatedFilePrio = {});
 
         void endReceivedMetadataHandling(const QString &savePath, const QStringList &fileNames);
+        void reload();
 
         Session *const m_session;
         lt::session *m_nativeSession;

src/base/bittorrent/torrentinfo.h

@@ -34,6 +34,7 @@
 #include <QtContainerFwd>
 
 #include "base/indexrange.h"
+#include "abstractfilestorage.h"
 #include "torrentcontentlayout.h"
 
 class QByteArray;
@@ -46,7 +47,7 @@ namespace BitTorrent
     class InfoHash;
     class TrackerEntry;
 
-    class TorrentInfo
+    class TorrentInfo final : public AbstractFileStorage
     {
         Q_DECLARE_TR_FUNCTIONS(TorrentInfo)
 
@@ -68,15 +69,15 @@ namespace BitTorrent
         QString comment() const;
         bool isPrivate() const;
         qlonglong totalSize() const;
-        int filesCount() const;
+        int filesCount() const override;
         int pieceLength() const;
         int pieceLength(int index) const;
         int piecesCount() const;
-        QString filePath(int index) const;
+        QString filePath(int index) const override;
         QStringList filePaths() const;
-        QString fileName(int index) const;
+        QString fileName(int index) const override;
         QString origFilePath(int index) const;
-        qlonglong fileSize(int index) const;
+        qlonglong fileSize(int index) const override;
         qlonglong fileOffset(int index) const;
         QVector<TrackerEntry> trackers() const;
         QVector<QUrl> urlSeeds() const;
@@ -91,7 +92,7 @@ namespace BitTorrent
         PieceRange filePieces(const QString &file) const;
         PieceRange filePieces(int fileIndex) const;
 
-        void renameFile(int index, const QString &newPath);
+        void renameFile(int index, const QString &newPath) override;
 
         QString rootFolder() const;
         bool hasRootFolder() const;

src/base/indexrange.h

@@ -37,8 +37,7 @@ class IndexInterval
 public:
     using IndexType = Index;
 
-    // TODO: add constexpr when using C++17
-    IndexInterval(const IndexType first, const IndexType last)
+    constexpr IndexInterval(const IndexType first, const IndexType last)
         : m_first {first}
         , m_last {last}
     {

src/base/net/dnsupdater.cpp

@@ -34,6 +34,7 @@
 
 #include "base/logger.h"
 #include "base/net/downloadmanager.h"
+#include "base/version.h"
 
 using namespace Net;
 

src/base/net/proxyconfigurationmanager.cpp

@@ -64,15 +64,15 @@ ProxyConfigurationManager *ProxyConfigurationManager::m_instance = nullptr;
 ProxyConfigurationManager::ProxyConfigurationManager(QObject *parent)
     : QObject(parent)
 {
-    m_isProxyOnlyForTorrents = settings()->loadValue(KEY_ONLY_FOR_TORRENTS, false).toBool();
+    m_isProxyOnlyForTorrents = settings()->loadValue(KEY_ONLY_FOR_TORRENTS, false);
     m_config.type = static_cast<ProxyType>(
-                settings()->loadValue(KEY_TYPE, static_cast<int>(ProxyType::None)).toInt());
+                settings()->loadValue(KEY_TYPE, static_cast<int>(ProxyType::None)));
     if ((m_config.type < ProxyType::None) || (m_config.type > ProxyType::SOCKS4))
         m_config.type = ProxyType::None;
-    m_config.ip = settings()->loadValue(KEY_IP, "0.0.0.0").toString();
-    m_config.port = static_cast<ushort>(settings()->loadValue(KEY_PORT, 8080).toUInt());
-    m_config.username = settings()->loadValue(KEY_USERNAME).toString();
-    m_config.password = settings()->loadValue(KEY_PASSWORD).toString();
+    m_config.ip = settings()->loadValue<QString>(KEY_IP, "0.0.0.0");
+    m_config.port = settings()->loadValue<ushort>(KEY_PORT, 8080);
+    m_config.username = settings()->loadValue<QString>(KEY_USERNAME);
+    m_config.password = settings()->loadValue<QString>(KEY_PASSWORD);
     configureProxy();
 }
 

src/base/preferences.cpp

@@ -1241,26 +1241,6 @@ void Preferences::setMainLastDir(const QString &path)
     setValue("MainWindowLastDir", path);
 }
 
-QSize Preferences::getPrefSize() const
-{
-    return value("Preferences/State/size").toSize();
-}
-
-void Preferences::setPrefSize(const QSize &size)
-{
-    setValue("Preferences/State/size", size);
-}
-
-QStringList Preferences::getPrefHSplitterSizes() const
-{
-    return value("Preferences/State/hSplitterSizes").toStringList();
-}
-
-void Preferences::setPrefHSplitterSizes(const QStringList &sizes)
-{
-    setValue("Preferences/State/hSplitterSizes", sizes);
-}
-
 QByteArray Preferences::getPeerListState() const
 {
     return value("TorrentProperties/Peers/qt5/PeerListState").toByteArray();

src/base/preferences.h

@@ -329,10 +329,6 @@ public:
     void setMainVSplitterState(const QByteArray &state);
     QString getMainLastDir() const;
     void setMainLastDir(const QString &path);
-    QSize getPrefSize() const;
-    void setPrefSize(const QSize &size);
-    QStringList getPrefHSplitterSizes() const;
-    void setPrefHSplitterSizes(const QStringList &sizes);
     QByteArray getPeerListState() const;
     void setPeerListState(const QByteArray &state);
     QString getPropSplitterSizes() const;

src/base/profile_p.cpp

@@ -83,7 +83,7 @@ QString Private::DefaultProfile::dataLocation() const
     const QString dataDir = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation)
         + QLatin1Char('/') + profileName() + QLatin1Char('/');
 
-    if (QDir(legacyDir).exists())
+    if (!QDir(dataDir).exists() && QDir(legacyDir).exists())
     {
         qWarning("The legacy data directory '%s' is used. It is recommended to move its content to '%s'",
             qUtf8Printable(legacyDir), qUtf8Printable(dataDir));

src/base/rss/rss_autodownloader.cpp

@@ -47,7 +47,6 @@
 #include "../logger.h"
 #include "../profile.h"
 #include "../settingsstorage.h"
-#include "../tristatebool.h"
 #include "../utils/fs.h"
 #include "rss_article.h"
 #include "rss_autodownloadrule.h"
@@ -105,7 +104,7 @@ QString computeSmartFilterRegex(const QStringList &filters)
 }
 
 AutoDownloader::AutoDownloader()
-    : m_processingEnabled(SettingsStorage::instance()->loadValue(SettingsKey_ProcessingEnabled, false).toBool())
+    : m_processingEnabled(SettingsStorage::instance()->loadValue(SettingsKey_ProcessingEnabled, false))
     , m_processingTimer(new QTimer(this))
     , m_ioThread(new QThread(this))
 {
@@ -290,7 +289,7 @@ void AutoDownloader::importRulesFromLegacyFormat(const QByteArray &data)
 
 QStringList AutoDownloader::smartEpisodeFilters() const
 {
-    const QVariant filtersSetting = SettingsStorage::instance()->loadValue(SettingsKey_SmartEpisodeFilter);
+    const auto filtersSetting = SettingsStorage::instance()->loadValue<QVariant>(SettingsKey_SmartEpisodeFilter);
 
     if (filtersSetting.isNull())
     {
@@ -323,7 +322,7 @@ void AutoDownloader::setSmartEpisodeFilters(const QStringList &filters)
 
 bool AutoDownloader::downloadRepacks() const
 {
-    return SettingsStorage::instance()->loadValue(SettingsKey_DownloadRepacks, true).toBool();
+    return SettingsStorage::instance()->loadValue(SettingsKey_DownloadRepacks, true);
 }
 
 void AutoDownloader::setDownloadRepacks(const bool downloadRepacks)
@@ -398,7 +397,7 @@ void AutoDownloader::processJob(const QSharedPointer<ProcessingJob> &job)
         params.addPaused = rule.addPaused();
         params.contentLayout = rule.torrentContentLayout();
         if (!rule.savePath().isEmpty())
-            params.useAutoTMM = TriStateBool::False;
+            params.useAutoTMM = false;
         const auto torrentURL = job->articleData.value(Article::KeyTorrentURL).toString();
         BitTorrent::Session::instance()->addTorrent(torrentURL, params);
 

src/base/rss/rss_autodownloadrule.cpp

@@ -42,7 +42,6 @@
 
 #include "base/global.h"
 #include "base/preferences.h"
-#include "base/tristatebool.h"
 #include "base/utils/fs.h"
 #include "base/utils/string.h"
 #include "rss_article.h"
@@ -51,56 +50,49 @@
 
 namespace
 {
-    TriStateBool jsonValueToTriStateBool(const QJsonValue &jsonVal)
+    std::optional<bool> toOptionalBool(const QJsonValue &jsonVal)
     {
         if (jsonVal.isBool())
-            return TriStateBool(jsonVal.toBool());
+            return jsonVal.toBool();
 
-        if (!jsonVal.isNull())
-            qDebug() << Q_FUNC_INFO << "Incorrect value" << jsonVal.toVariant();
-
-        return TriStateBool::Undefined;
+        return std::nullopt;
     }
 
-    QJsonValue triStateBoolToJsonValue(const TriStateBool triStateBool)
+    QJsonValue toJsonValue(const std::optional<bool> boolValue)
     {
-        switch (static_cast<signed char>(triStateBool))
-        {
-        case 0:  return false;
-        case 1:  return true;
-        default: return {};
-        }
+        return boolValue.has_value() ? *boolValue : QJsonValue {};
     }
 
-    TriStateBool addPausedLegacyToTriStateBool(const int val)
+    std::optional<bool> addPausedLegacyToOptionalBool(const int val)
     {
         switch (val)
         {
-        case 1:  return TriStateBool::True; // always
-        case 2:  return TriStateBool::False; // never
-        default: return TriStateBool::Undefined; // default
+        case 1:
+            return true; // always
+        case 2:
+            return false; // never
+        default:
+            return std::nullopt; // default
         }
     }
 
-    int triStateBoolToAddPausedLegacy(const TriStateBool triStateBool)
+    int toAddPausedLegacy(const std::optional<bool> boolValue)
     {
-        switch (static_cast<signed char>(triStateBool))
-        {
-        case 0:  return 2; // never
-        case 1:  return 1; // always
-        default: return 0; // default
-        }
+        if (!boolValue.has_value())
+            return 0; // default
+
+        return (*boolValue ? 1 /* always */ : 2 /* never */);
     }
 
-    boost::optional<BitTorrent::TorrentContentLayout> jsonValueToContentLayout(const QJsonValue &jsonVal)
+    std::optional<BitTorrent::TorrentContentLayout> jsonValueToContentLayout(const QJsonValue &jsonVal)
     {
         const QString str = jsonVal.toString();
         if (str.isEmpty())
-            return {};
+            return std::nullopt;
         return Utils::String::toEnum(str, BitTorrent::TorrentContentLayout::Original);
     }
 
-    QJsonValue contentLayoutToJsonValue(const boost::optional<BitTorrent::TorrentContentLayout> contentLayout)
+    QJsonValue contentLayoutToJsonValue(const std::optional<BitTorrent::TorrentContentLayout> contentLayout)
     {
         if (!contentLayout)
             return {};
@@ -142,8 +134,8 @@ namespace RSS
 
         QString savePath;
         QString category;
-        TriStateBool addPaused = TriStateBool::Undefined;
-        boost::optional<BitTorrent::TorrentContentLayout> contentLayout;
+        std::optional<bool> addPaused;
+        std::optional<BitTorrent::TorrentContentLayout> contentLayout;
 
         bool smartFilter = false;
         QStringList previouslyMatchedEpisodes;
@@ -477,7 +469,7 @@ QJsonObject AutoDownloadRule::toJsonObject() const
         , {Str_AssignedCategory, assignedCategory()}
         , {Str_LastMatch, lastMatch().toString(Qt::RFC2822Date)}
         , {Str_IgnoreDays, ignoreDays()}
-        , {Str_AddPaused, triStateBoolToJsonValue(addPaused())}
+        , {Str_AddPaused, toJsonValue(addPaused())}
         , {Str_ContentLayout, contentLayoutToJsonValue(torrentContentLayout())}
         , {Str_SmartFilter, useSmartFilter()}
         , {Str_PreviouslyMatched, QJsonArray::fromStringList(previouslyMatchedEpisodes())}};
@@ -494,7 +486,7 @@ AutoDownloadRule AutoDownloadRule::fromJsonObject(const QJsonObject &jsonObj, co
     rule.setEnabled(jsonObj.value(Str_Enabled).toBool(true));
     rule.setSavePath(jsonObj.value(Str_SavePath).toString());
     rule.setCategory(jsonObj.value(Str_AssignedCategory).toString());
-    rule.setAddPaused(jsonValueToTriStateBool(jsonObj.value(Str_AddPaused)));
+    rule.setAddPaused(toOptionalBool(jsonObj.value(Str_AddPaused)));
 
     // TODO: The following code is deprecated. Replace with the commented one after several releases in 4.4.x.
     // === BEGIN DEPRECATED CODE === //
@@ -504,12 +496,14 @@ AutoDownloadRule AutoDownloadRule::fromJsonObject(const QJsonObject &jsonObj, co
     }
     else
     {
-        const TriStateBool createSubfolder = jsonValueToTriStateBool(jsonObj.value(Str_CreateSubfolder));
-        boost::optional<BitTorrent::TorrentContentLayout> contentLayout;
-        if (createSubfolder == TriStateBool::True)
-            contentLayout = BitTorrent::TorrentContentLayout::Original;
-        else if (createSubfolder == TriStateBool::False)
-            contentLayout = BitTorrent::TorrentContentLayout::NoSubfolder;
+        const std::optional<bool> createSubfolder = toOptionalBool(jsonObj.value(Str_CreateSubfolder));
+        std::optional<BitTorrent::TorrentContentLayout> contentLayout;
+        if (createSubfolder.has_value())
+        {
+            contentLayout = (*createSubfolder
+                             ? BitTorrent::TorrentContentLayout::Original
+                             : BitTorrent::TorrentContentLayout::NoSubfolder);
+        }
 
         rule.setTorrentContentLayout(contentLayout);
     }
@@ -556,7 +550,7 @@ QVariantHash AutoDownloadRule::toLegacyDict() const
         {"enabled", isEnabled()},
         {"category_assigned", assignedCategory()},
         {"use_regex", useRegex()},
-        {"add_paused", triStateBoolToAddPausedLegacy(addPaused())},
+        {"add_paused", toAddPausedLegacy(addPaused())},
         {"episode_filter", episodeFilter()},
         {"last_match", lastMatch()},
         {"ignore_days", ignoreDays()}};
@@ -574,7 +568,7 @@ AutoDownloadRule AutoDownloadRule::fromLegacyDict(const QVariantHash &dict)
     rule.setEnabled(dict.value("enabled", false).toBool());
     rule.setSavePath(dict.value("save_path").toString());
     rule.setCategory(dict.value("category_assigned").toString());
-    rule.setAddPaused(addPausedLegacyToTriStateBool(dict.value("add_paused").toInt()));
+    rule.setAddPaused(addPausedLegacyToOptionalBool(dict.value("add_paused").toInt()));
     rule.setLastMatch(dict.value("last_match").toDateTime());
     rule.setIgnoreDays(dict.value("ignore_days").toInt());
 
@@ -639,22 +633,22 @@ void AutoDownloadRule::setSavePath(const QString &savePath)
     m_dataPtr->savePath = Utils::Fs::toUniformPath(savePath);
 }
 
-TriStateBool AutoDownloadRule::addPaused() const
+std::optional<bool> AutoDownloadRule::addPaused() const
 {
     return m_dataPtr->addPaused;
 }
 
-void AutoDownloadRule::setAddPaused(const TriStateBool addPaused)
+void AutoDownloadRule::setAddPaused(const std::optional<bool> addPaused)
 {
     m_dataPtr->addPaused = addPaused;
 }
 
-boost::optional<BitTorrent::TorrentContentLayout> AutoDownloadRule::torrentContentLayout() const
+std::optional<BitTorrent::TorrentContentLayout> AutoDownloadRule::torrentContentLayout() const
 {
     return m_dataPtr->contentLayout;
 }
 
-void AutoDownloadRule::setTorrentContentLayout(const boost::optional<BitTorrent::TorrentContentLayout> contentLayout)
+void AutoDownloadRule::setTorrentContentLayout(const std::optional<BitTorrent::TorrentContentLayout> contentLayout)
 {
     m_dataPtr->contentLayout = contentLayout;
 }

src/base/rss/rss_autodownloadrule.h

@@ -29,7 +29,7 @@
 
 #pragma once
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <QSharedDataPointer>
 #include <QVariant>
@@ -40,8 +40,6 @@ class QDateTime;
 class QJsonObject;
 class QRegularExpression;
 
-class TriStateBool;
-
 namespace RSS
 {
     struct AutoDownloadRuleData;
@@ -81,10 +79,10 @@ namespace RSS
 
         QString savePath() const;
         void setSavePath(const QString &savePath);
-        TriStateBool addPaused() const;
-        void setAddPaused(TriStateBool addPaused);
-        boost::optional<BitTorrent::TorrentContentLayout> torrentContentLayout() const;
-        void setTorrentContentLayout(boost::optional<BitTorrent::TorrentContentLayout> contentLayout);
+        std::optional<bool> addPaused() const;
+        void setAddPaused(std::optional<bool> addPaused);
+        std::optional<BitTorrent::TorrentContentLayout> torrentContentLayout() const;
+        void setTorrentContentLayout(std::optional<BitTorrent::TorrentContentLayout> contentLayout);
         QString assignedCategory() const;
         void setCategory(const QString &category);
 

src/base/rss/rss_session.cpp

@@ -63,10 +63,10 @@ using namespace RSS;
 QPointer<Session> Session::m_instance = nullptr;
 
 Session::Session()
-    : m_processingEnabled(SettingsStorage::instance()->loadValue(SettingsKey_ProcessingEnabled, false).toBool())
+    : m_processingEnabled(SettingsStorage::instance()->loadValue(SettingsKey_ProcessingEnabled, false))
     , m_workingThread(new QThread(this))
-    , m_refreshInterval(SettingsStorage::instance()->loadValue(SettingsKey_RefreshInterval, 30).toInt())
-    , m_maxArticlesPerFeed(SettingsStorage::instance()->loadValue(SettingsKey_MaxArticlesPerFeed, 50).toInt())
+    , m_refreshInterval(SettingsStorage::instance()->loadValue(SettingsKey_RefreshInterval, 30))
+    , m_maxArticlesPerFeed(SettingsStorage::instance()->loadValue(SettingsKey_MaxArticlesPerFeed, 50))
 {
     Q_ASSERT(!m_instance); // only one instance is allowed
     m_instance = this;
@@ -362,8 +362,8 @@ void Session::loadFolder(const QJsonObject &jsonObj, Folder *folder)
 
 void Session::loadLegacy()
 {
-    const QStringList legacyFeedPaths = SettingsStorage::instance()->loadValue("Rss/streamList").toStringList();
-    const QStringList feedAliases = SettingsStorage::instance()->loadValue("Rss/streamAlias").toStringList();
+    const auto legacyFeedPaths = SettingsStorage::instance()->loadValue<QStringList>("Rss/streamList");
+    const auto feedAliases = SettingsStorage::instance()->loadValue<QStringList>("Rss/streamAlias");
     if (legacyFeedPaths.size() != feedAliases.size())
     {
         Logger::instance()->addMessage("Corrupted RSS list, not loading it.", Log::WARNING);

src/base/scanfoldersmodel.cpp

@@ -366,12 +366,12 @@ void ScanFoldersModel::addTorrentsToSession(const QStringList &pathList)
         if (downloadInWatchFolder(file))
         {
             params.savePath = QFileInfo(file).dir().path();
-            params.useAutoTMM = TriStateBool::False;
+            params.useAutoTMM = false;
         }
         else if (!downloadInDefaultFolder(file))
         {
             params.savePath = downloadPathTorrentFolder(file);
-            params.useAutoTMM = TriStateBool::False;
+            params.useAutoTMM = false;
         }
 
         if (file.endsWith(".magnet", Qt::CaseInsensitive))

src/base/settingsstorage.cpp

@@ -153,8 +153,7 @@ namespace
 SettingsStorage *SettingsStorage::m_instance = nullptr;
 
 SettingsStorage::SettingsStorage()
-    : m_data{TransactionalSettings(QLatin1String("qBittorrent")).read()}
-    , m_dirty(false)
+    : m_data {TransactionalSettings(QLatin1String("qBittorrent")).read()}
 {
     m_timer.setSingleShot(true);
     m_timer.setInterval(5 * 1000);
@@ -200,14 +199,14 @@ bool SettingsStorage::save()
     return true;
 }
 
-QVariant SettingsStorage::loadValue(const QString &key, const QVariant &defaultValue) const
+QVariant SettingsStorage::loadValueImpl(const QString &key, const QVariant &defaultValue) const
 {
     const QString realKey = mapKey(key);
     const QReadLocker locker(&m_lock);
     return m_data.value(realKey, defaultValue);
 }
 
-void SettingsStorage::storeValue(const QString &key, const QVariant &value)
+void SettingsStorage::storeValueImpl(const QString &key, const QVariant &value)
 {
     const QString realKey = mapKey(key);
     const QWriteLocker locker(&m_lock);
@@ -295,7 +294,11 @@ QString TransactionalSettings::deserialize(const QString &name, QVariantHash &da
     // or that we don't touch directly in this code (eg disabled by ifdef). This ensures
     // that they will be copied over when save our settings to disk.
     for (const QString &key : asConst(settings->allKeys()))
-        data.insert(key, settings->value(key));
+    {
+        const QVariant value = settings->value(key);
+        if (value.isValid())
+            data[key] = value;
+    }
 
     return settings->fileName();
 }

src/base/settingsstorage.h

@@ -29,11 +29,15 @@
 
 #pragma once
 
+#include <type_traits>
+
 #include <QObject>
 #include <QReadWriteLock>
 #include <QTimer>
 #include <QVariantHash>
 
+#include "utils/string.h"
+
 class SettingsStorage : public QObject
 {
     Q_OBJECT
@@ -45,18 +49,48 @@ public:
     static void freeInstance();
     static SettingsStorage *instance();
 
-    QVariant loadValue(const QString &key, const QVariant &defaultValue = {}) const;
-    void storeValue(const QString &key, const QVariant &value);
+    template <typename T>
+    T loadValue(const QString &key, const T &defaultValue = {}) const
+    {
+        if constexpr (std::is_enum_v<T>)
+        {
+            const auto value = loadValueImpl(key).toString();
+            return Utils::String::toEnum(value, defaultValue);
+        }
+        else if constexpr (std::is_same_v<T, QVariant>)
+        {
+            return loadValueImpl(key, defaultValue);
+        }
+        else
+        {
+            const QVariant value = loadValueImpl(key);
+            // check if retrieved value is convertible to T
+            return value.template canConvert<T>() ? value.template value<T>() : defaultValue;
+        }
+    }
+
+    template <typename T>
+    void storeValue(const QString &key, const T &value)
+    {
+        if constexpr (std::is_enum_v<T>)
+            storeValueImpl(key, Utils::String::fromEnum(value));
+        else
+            storeValueImpl(key, value);
+    }
+
     void removeValue(const QString &key);
 
 public slots:
     bool save();
 
 private:
+    QVariant loadValueImpl(const QString &key, const QVariant &defaultValue = {}) const;
+    void storeValueImpl(const QString &key, const QVariant &value);
+
     static SettingsStorage *m_instance;
 
+    bool m_dirty = false;
     QVariantHash m_data;
-    bool m_dirty;
     QTimer m_timer;
     mutable QReadWriteLock m_lock;
 };

src/base/settingvalue.h

@@ -28,82 +28,81 @@
 
 #pragma once
 
-#include <type_traits>
-
-#include <QMetaEnum>
 #include <QString>
 
 #include "settingsstorage.h"
-#include "utils/string.h"
+
+// This is a thin/handy wrapper over `SettingsStorage`. Use it when store/load value
+// rarely occurs, otherwise use `CachedSettingValue`.
+template <typename T>
+class SettingValue
+{
+public:
+    explicit SettingValue(const char *keyName)
+        : m_keyName {QLatin1String {keyName}}
+    {
+    }
+
+    T get(const T &defaultValue = {}) const
+    {
+        return SettingsStorage::instance()->loadValue(m_keyName, defaultValue);
+    }
+
+    operator T() const
+    {
+        return get();
+    }
+
+    SettingValue<T> &operator=(const T &value)
+    {
+        SettingsStorage::instance()->storeValue(m_keyName, value);
+        return *this;
+    }
+
+private:
+    const QString m_keyName;
+};
 
 template <typename T>
 class CachedSettingValue
 {
 public:
-    explicit CachedSettingValue(const char *keyName, const T &defaultValue = T())
-        : m_keyName(QLatin1String(keyName))
-        , m_value(loadValue(defaultValue))
+    explicit CachedSettingValue(const char *keyName, const T &defaultValue = {})
+        : m_setting {keyName}
+        , m_cache {m_setting.get(defaultValue)}
     {
     }
 
     // The signature of the ProxyFunc should be equivalent to the following:
     // T proxyFunc(const T &a);
     template <typename ProxyFunc>
-    explicit CachedSettingValue(const char *keyName, const T &defaultValue
-                                , ProxyFunc &&proxyFunc)
-        : m_keyName(QLatin1String(keyName))
-        , m_value(proxyFunc(loadValue(defaultValue)))
+    explicit CachedSettingValue(const char *keyName, const T &defaultValue, ProxyFunc &&proxyFunc)
+        : m_setting {keyName}
+        , m_cache {proxyFunc(m_setting.get(defaultValue))}
     {
     }
 
-    T value() const
+    T get() const
     {
-        return m_value;
+        return m_cache;
     }
 
     operator T() const
     {
-        return value();
+        return get();
     }
 
-    CachedSettingValue<T> &operator=(const T &newValue)
+    CachedSettingValue<T> &operator=(const T &value)
     {
-        if (m_value == newValue)
+        if (m_cache == value)
             return *this;
 
-        m_value = newValue;
-        storeValue(m_value);
+        m_setting = value;
+        m_cache = value;
         return *this;
     }
 
 private:
-    // regular load/save pair
-    template <typename U, typename std::enable_if_t<!std::is_enum<U>::value, int> = 0>
-    U loadValue(const U &defaultValue)
-    {
-        return SettingsStorage::instance()->loadValue(m_keyName, defaultValue).template value<T>();
-    }
-
-    template <typename U, typename std::enable_if_t<!std::is_enum<U>::value, int> = 0>
-    void storeValue(const U &value)
-    {
-        SettingsStorage::instance()->storeValue(m_keyName, value);
-    }
-
-    // load/save pair for an enum
-    // saves literal value of the enum constant, obtained from QMetaEnum
-    template <typename U, typename std::enable_if_t<std::is_enum<U>::value, int> = 0>
-    U loadValue(const U &defaultValue)
-    {
-        return Utils::String::toEnum(SettingsStorage::instance()->loadValue(m_keyName).toString(), defaultValue);
-    }
-
-    template <typename U, typename std::enable_if_t<std::is_enum<U>::value, int> = 0>
-    void storeValue(const U &value)
-    {
-        SettingsStorage::instance()->storeValue(m_keyName, Utils::String::fromEnum(value));
-    }
-
-    const QString m_keyName;
-    T m_value;
+    SettingValue<T> m_setting;
+    T m_cache;
 };

src/base/torrentfileguard.cpp

@@ -73,7 +73,7 @@ void TorrentFileGuard::markAsAddedToSession()
 
 TorrentFileGuard::AutoDeleteMode TorrentFileGuard::autoDeleteMode()
 {
-    return autoDeleteModeSetting();
+    return autoDeleteModeSetting().get(AutoDeleteMode::Never);
 }
 
 void TorrentFileGuard::setAutoDeleteMode(TorrentFileGuard::AutoDeleteMode mode)
@@ -81,8 +81,8 @@ void TorrentFileGuard::setAutoDeleteMode(TorrentFileGuard::AutoDeleteMode mode)
     autoDeleteModeSetting() = mode;
 }
 
-CachedSettingValue<TorrentFileGuard::AutoDeleteMode> &TorrentFileGuard::autoDeleteModeSetting()
+SettingValue<TorrentFileGuard::AutoDeleteMode> &TorrentFileGuard::autoDeleteModeSetting()
 {
-    static CachedSettingValue<AutoDeleteMode> setting("Core/AutoDeleteAddedTorrentFile", AutoDeleteMode::Never);
+    static SettingValue<AutoDeleteMode> setting {"Core/AutoDeleteAddedTorrentFile"};
     return setting;
 }

src/base/torrentfileguard.h

@@ -31,7 +31,7 @@
 #include <QObject>
 #include <QString>
 
-template <typename T> class CachedSettingValue;
+template <typename T> class SettingValue;
 
 /// Utility class to defer file deletion
 class FileGuard
@@ -75,7 +75,7 @@ public:
 
 private:
     TorrentFileGuard(const QString &path, AutoDeleteMode mode);
-    static CachedSettingValue<AutoDeleteMode> &autoDeleteModeSetting();
+    static SettingValue<AutoDeleteMode> &autoDeleteModeSetting();
 
     Q_ENUM(AutoDeleteMode)
     AutoDeleteMode m_mode;

src/base/torrentfilter.cpp

@@ -29,7 +29,7 @@
 #include "torrentfilter.h"
 
 #include "bittorrent/infohash.h"
-#include "bittorrent/torrenthandle.h"
+#include "bittorrent/torrent.h"
 
 const QString TorrentFilter::AnyCategory;
 const InfoHashSet TorrentFilter::AnyHash {{}};
@@ -47,7 +47,7 @@ const TorrentFilter TorrentFilter::StalledUploadingTorrent(TorrentFilter::Stalle
 const TorrentFilter TorrentFilter::StalledDownloadingTorrent(TorrentFilter::StalledDownloading);
 const TorrentFilter TorrentFilter::ErroredTorrent(TorrentFilter::Errored);
 
-using BitTorrent::TorrentHandle;
+using BitTorrent::Torrent;
 
 TorrentFilter::TorrentFilter(const Type type, const InfoHashSet &hashSet, const QString &category, const QString &tag)
     : m_type(type)
@@ -146,14 +146,14 @@ bool TorrentFilter::setTag(const QString &tag)
     return false;
 }
 
-bool TorrentFilter::match(const TorrentHandle *const torrent) const
+bool TorrentFilter::match(const Torrent *const torrent) const
 {
     if (!torrent) return false;
 
     return (matchState(torrent) && matchHash(torrent) && matchCategory(torrent) && matchTag(torrent));
 }
 
-bool TorrentFilter::matchState(const BitTorrent::TorrentHandle *const torrent) const
+bool TorrentFilter::matchState(const BitTorrent::Torrent *const torrent) const
 {
     switch (m_type)
     {
@@ -187,21 +187,21 @@ bool TorrentFilter::matchState(const BitTorrent::TorrentHandle *const torrent) c
     }
 }
 
-bool TorrentFilter::matchHash(const BitTorrent::TorrentHandle *const torrent) const
+bool TorrentFilter::matchHash(const BitTorrent::Torrent *const torrent) const
 {
     if (m_hashSet == AnyHash) return true;
 
     return m_hashSet.contains(torrent->hash());
 }
 
-bool TorrentFilter::matchCategory(const BitTorrent::TorrentHandle *const torrent) const
+bool TorrentFilter::matchCategory(const BitTorrent::Torrent *const torrent) const
 {
     if (m_category.isNull()) return true;
 
     return (torrent->belongsToCategory(m_category));
 }
 
-bool TorrentFilter::matchTag(const BitTorrent::TorrentHandle *const torrent) const
+bool TorrentFilter::matchTag(const BitTorrent::Torrent *const torrent) const
 {
     // Empty tag is a special value to indicate we're filtering for untagged torrents.
     if (m_tag.isNull()) return true;

src/base/torrentfilter.h

@@ -35,7 +35,7 @@
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
 }
 
 using InfoHashSet = QSet<BitTorrent::InfoHash>;
@@ -88,13 +88,13 @@ public:
     bool setCategory(const QString &category);
     bool setTag(const QString &tag);
 
-    bool match(const BitTorrent::TorrentHandle *torrent) const;
+    bool match(const BitTorrent::Torrent *torrent) const;
 
 private:
-    bool matchState(const BitTorrent::TorrentHandle *torrent) const;
-    bool matchHash(const BitTorrent::TorrentHandle *torrent) const;
-    bool matchCategory(const BitTorrent::TorrentHandle *torrent) const;
-    bool matchTag(const BitTorrent::TorrentHandle *torrent) const;
+    bool matchState(const BitTorrent::Torrent *torrent) const;
+    bool matchHash(const BitTorrent::Torrent *torrent) const;
+    bool matchCategory(const BitTorrent::Torrent *torrent) const;
+    bool matchTag(const BitTorrent::Torrent *torrent) const;
 
     Type m_type {All};
     QString m_category;

src/base/unicodestrings.h

@@ -1,4 +1,4 @@
-/*
+/*
  * Bittorrent Client using Qt and libtorrent.
  * Copyright (C) 2015  Mike Tzou
  *
@@ -28,16 +28,12 @@
 
 #pragma once
 
-// This file must be encoded in "UTF-8 with BOM"
-#ifdef _MSC_VER
-#pragma execution_character_set("utf-8")
-#endif
-
 // Because of the poor handling of UTF-8 characters in MSVC (emits warning C4819),
 // we put all problematic UTF-8 chars/strings in this file.
 // See issue #3059 for more details (https://github.com/qbittorrent/qBittorrent/issues/3059).
 
 const char C_COPYRIGHT[] = "©";
+const char C_INEQUALITY[] = "≠";
 const char C_INFINITY[] = "∞";
 const char C_NON_BREAKING_SPACE[] = " ";
 const char C_THIN_SPACE[] = " ";
@@ -45,6 +41,7 @@ const char C_UTP[] = "μTP";
 
 const char C_LOCALE_ARABIC[] = "عربي";
 const char C_LOCALE_ARMENIAN[] = "Հայերեն";
+const char C_LOCALE_AZERBAIJANI[] = "Azərbaycan dili";
 const char C_LOCALE_BASQUE[] = "Euskara";
 const char C_LOCALE_BULGARIAN[] = "Български";
 const char C_LOCALE_BYELORUSSIAN[] = "Беларуская";
@@ -57,9 +54,10 @@ const char C_LOCALE_CZECH[] = "Čeština";
 const char C_LOCALE_DANISH[] = "Dansk";
 const char C_LOCALE_DUTCH[] = "Nederlands";
 const char C_LOCALE_ENGLISH[] = "English";
-const char C_LOCALE_ENGLISH_AUSTRALIA[] = "English(Australia)";
-const char C_LOCALE_ENGLISH_UNITEDKINGDOM[] = "English(United Kingdom)";
+const char C_LOCALE_ENGLISH_AUSTRALIA[] = "English (Australia)";
+const char C_LOCALE_ENGLISH_UNITEDKINGDOM[] = "English (United Kingdom)";
 const char C_LOCALE_ESPERANTO[] = "Esperanto";
+const char C_LOCALE_ESTONIAN[] = "Eesti, eesti keel";
 const char C_LOCALE_FINNISH[] = "Suomi";
 const char C_LOCALE_FRENCH[] = "Français";
 const char C_LOCALE_GALICIAN[] = "Galego";
@@ -74,8 +72,8 @@ const char C_LOCALE_INDONESIAN[] = "Bahasa Indonesia";
 const char C_LOCALE_ITALIAN[] = "Italiano";
 const char C_LOCALE_JAPANESE[] = "日本語";
 const char C_LOCALE_KOREAN[] = "한글";
-const char C_LOCALE_LATGALIAN[] = "latgalīšu volūda";
-const char C_LOCALE_LATVIAN[] = "latviešu valoda";
+const char C_LOCALE_LATGALIAN[] = "Latgalīšu volūda";
+const char C_LOCALE_LATVIAN[] = "Latviešu valoda";
 const char C_LOCALE_LITHUANIAN[] = "Lietuvių";
 const char C_LOCALE_MALAY[] = "بهاس ملايو";
 const char C_LOCALE_NORWEGIAN[] = "Norsk";
@@ -93,4 +91,4 @@ const char C_LOCALE_SWEDISH[] = "Svenska";
 const char C_LOCALE_TURKISH[] = "Türkçe";
 const char C_LOCALE_UKRAINIAN[] = "Українська";
 const char C_LOCALE_UZBEK[] = "أۇزبېك‎";
-const char C_LOCALE_VIETNAMESE[] = "tiếng Việt";
+const char C_LOCALE_VIETNAMESE[] = "Tiếng Việt";

src/base/utils/bytearray.h

@@ -33,15 +33,12 @@
 
 class QByteArray;
 
-namespace Utils
+namespace Utils::ByteArray
 {
-    namespace ByteArray
-    {
-        // Mimic QString::splitRef(sep, behavior)
-        QVector<QByteArray> splitToViews(const QByteArray &in, const QByteArray &sep, const QString::SplitBehavior behavior = QString::KeepEmptyParts);
+    // Mimic QString::splitRef(sep, behavior)
+    QVector<QByteArray> splitToViews(const QByteArray &in, const QByteArray &sep, const QString::SplitBehavior behavior = QString::KeepEmptyParts);
 
-        // Mimic QByteArray::mid(pos, len) but instead of returning a full-copy,
-        // we only return a partial view
-        const QByteArray midView(const QByteArray &in, int pos, int len = -1);
-    }
+    // Mimic QByteArray::mid(pos, len) but instead of returning a full-copy,
+    // we only return a partial view
+    const QByteArray midView(const QByteArray &in, int pos, int len = -1);
 }

src/base/utils/foreignapps.h

@@ -33,21 +33,18 @@
 
 #include "base/utils/version.h"
 
-namespace Utils
+namespace Utils::ForeignApps
 {
-    namespace ForeignApps
+    struct PythonInfo
     {
-        struct PythonInfo
-        {
-            using Version = Utils::Version<quint8, 3, 1>;
+        using Version = Utils::Version<quint8, 3, 1>;
 
-            bool isValid() const;
-            bool isSupportedVersion() const;
+        bool isValid() const;
+        bool isSupportedVersion() const;
 
-            QString executableName;
-            Version version;
-        };
+        QString executableName;
+        Version version;
+    };
 
-        PythonInfo pythonInfo();
-    }
+    PythonInfo pythonInfo();
 }

src/base/utils/fs.cpp

@@ -55,6 +55,7 @@
 #include <QDirIterator>
 #include <QFile>
 #include <QFileInfo>
+#include <QMimeDatabase>
 #include <QStorageInfo>
 #include <QRegularExpression>
 
@@ -76,9 +77,14 @@ QString Utils::Fs::toUniformPath(const QString &path)
  */
 QString Utils::Fs::fileExtension(const QString &filename)
 {
-    const QString ext = QString(filename).remove(QB_EXT);
-    const int pointIndex = ext.lastIndexOf('.');
-    return (pointIndex >= 0) ? ext.mid(pointIndex + 1) : QString();
+    const QString name = filename.endsWith(QB_EXT)
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
+        ? filename.chopped(QB_EXT.length())
+#else
+        ? filename.left(filename.length() - QB_EXT.length())
+#endif
+        : filename;
+    return QMimeDatabase().suffixForFileName(name);
 }
 
 QString Utils::Fs::fileName(const QString &filePath)
@@ -95,7 +101,7 @@ QString Utils::Fs::folderName(const QString &filePath)
     const QString path = toUniformPath(filePath);
     const int slashIndex = path.lastIndexOf('/');
     if (slashIndex == -1)
-        return path;
+        return {};
     return path.left(slashIndex);
 }
 
@@ -267,8 +273,6 @@ bool Utils::Fs::isValidFileSystemName(const QString &name, const bool allowSepar
 
 qint64 Utils::Fs::freeDiskSpaceOnPath(const QString &path)
 {
-    if (path.isEmpty()) return -1;
-
     return QStorageInfo(path).bytesAvailable();
 }
 

src/base/utils/fs.h

@@ -34,47 +34,44 @@
 
 #include <QString>
 
-namespace Utils
+namespace Utils::Fs
 {
-    namespace Fs
-    {
-        /**
-         * Converts a path to a string suitable for display.
-         * This function makes sure the directory separator used is consistent
-         * with the OS being run.
-         */
-        QString toNativePath(const QString &path);
-        /**
-         * Converts a path to a string suitable for processing.
-         * This function makes sure the directory separator used is independent
-         * from the OS being run so it is the same on all supported platforms.
-         * Slash ('/') is used as "uniform" directory separator.
-         */
-        QString toUniformPath(const QString &path);
+    /**
+     * Converts a path to a string suitable for display.
+     * This function makes sure the directory separator used is consistent
+     * with the OS being run.
+     */
+    QString toNativePath(const QString &path);
+    /**
+     * Converts a path to a string suitable for processing.
+     * This function makes sure the directory separator used is independent
+     * from the OS being run so it is the same on all supported platforms.
+     * Slash ('/') is used as "uniform" directory separator.
+     */
+    QString toUniformPath(const QString &path);
 
-        QString fileExtension(const QString &filename);
-        QString fileName(const QString &filePath);
-        QString folderName(const QString &filePath);
-        qint64 computePathSize(const QString &path);
-        bool sameFiles(const QString &path1, const QString &path2);
-        QString toValidFileSystemName(const QString &name, bool allowSeparators = false
-                , const QString &pad = QLatin1String(" "));
-        bool isValidFileSystemName(const QString &name, bool allowSeparators = false);
-        qint64 freeDiskSpaceOnPath(const QString &path);
-        QString branchPath(const QString &filePath, QString *removed = nullptr);
-        bool sameFileNames(const QString &first, const QString &second);
-        QString expandPath(const QString &path);
-        QString expandPathAbs(const QString &path);
-        bool isRegularFile(const QString &path);
+    QString fileExtension(const QString &filename);
+    QString fileName(const QString &filePath);
+    QString folderName(const QString &filePath);
+    qint64 computePathSize(const QString &path);
+    bool sameFiles(const QString &path1, const QString &path2);
+    QString toValidFileSystemName(const QString &name, bool allowSeparators = false
+            , const QString &pad = QLatin1String(" "));
+    bool isValidFileSystemName(const QString &name, bool allowSeparators = false);
+    qint64 freeDiskSpaceOnPath(const QString &path);
+    QString branchPath(const QString &filePath, QString *removed = nullptr);
+    bool sameFileNames(const QString &first, const QString &second);
+    QString expandPath(const QString &path);
+    QString expandPathAbs(const QString &path);
+    bool isRegularFile(const QString &path);
 
-        bool smartRemoveEmptyFolderTree(const QString &path);
-        bool forceRemove(const QString &filePath);
-        void removeDirRecursive(const QString &path);
+    bool smartRemoveEmptyFolderTree(const QString &path);
+    bool forceRemove(const QString &filePath);
+    void removeDirRecursive(const QString &path);
 
-        QString tempPath();
+    QString tempPath();
 
 #if !defined Q_OS_HAIKU
-        bool isNetworkFileSystem(const QString &path);
+    bool isNetworkFileSystem(const QString &path);
 #endif
-    }
 }

src/base/utils/gzip.h

@@ -31,11 +31,8 @@
 
 class QByteArray;
 
-namespace Utils
+namespace Utils::Gzip
 {
-    namespace Gzip
-    {
-        QByteArray compress(const QByteArray &data, int level = 6, bool *ok = nullptr);
-        QByteArray decompress(const QByteArray &data, bool *ok = nullptr);
-    }
+    QByteArray compress(const QByteArray &data, int level = 6, bool *ok = nullptr);
+    QByteArray decompress(const QByteArray &data, bool *ok = nullptr);
 }

src/base/utils/io.cpp

@@ -60,18 +60,3 @@ Utils::IO::FileDeviceOutputIterator &Utils::IO::FileDeviceOutputIterator::operat
     }
     return *this;
 }
-
-Utils::IO::FileDeviceOutputIterator &Utils::IO::FileDeviceOutputIterator::operator*()
-{
-    return *this;
-}
-
-Utils::IO::FileDeviceOutputIterator &Utils::IO::FileDeviceOutputIterator::operator++()
-{
-    return *this;
-}
-
-Utils::IO::FileDeviceOutputIterator &Utils::IO::FileDeviceOutputIterator::operator++(int)
-{
-    return *this;
-}

src/base/utils/io.h

@@ -34,30 +34,44 @@
 class QByteArray;
 class QFileDevice;
 
-namespace Utils
+namespace Utils::IO
 {
-    namespace IO
+    // A wrapper class that satisfy LegacyOutputIterator requirement
+    class FileDeviceOutputIterator
     {
-        // A wrapper class that satisfy LegacyOutputIterator requirement
-        class FileDeviceOutputIterator
-            : public std::iterator<std::output_iterator_tag, void, void, void, void>
+    public:
+        // std::iterator_traits
+        using iterator_category = std::output_iterator_tag;
+        using difference_type = void;
+        using value_type = void;
+        using pointer = void;
+        using reference = void;
+
+        explicit FileDeviceOutputIterator(QFileDevice &device, const int bufferSize = (4 * 1024));
+        FileDeviceOutputIterator(const FileDeviceOutputIterator &other) = default;
+        ~FileDeviceOutputIterator();
+
+        // mimic std::ostream_iterator behavior
+        FileDeviceOutputIterator &operator=(char c);
+
+        constexpr FileDeviceOutputIterator &operator*()
         {
-        public:
-            explicit FileDeviceOutputIterator(QFileDevice &device, const int bufferSize = (4 * 1024));
-            FileDeviceOutputIterator(const FileDeviceOutputIterator &other) = default;
-            ~FileDeviceOutputIterator();
+            return *this;
+        }
 
-            // mimic std::ostream_iterator behavior
-            FileDeviceOutputIterator &operator=(char c);
-            // TODO: make these `constexpr` in C++17
-            FileDeviceOutputIterator &operator*();
-            FileDeviceOutputIterator &operator++();
-            FileDeviceOutputIterator &operator++(int);
+        constexpr FileDeviceOutputIterator &operator++()
+        {
+            return *this;
+        }
 
-        private:
-            QFileDevice *m_device;
-            std::shared_ptr<QByteArray> m_buffer;
-            int m_bufferSize;
-        };
-    }
+        constexpr FileDeviceOutputIterator &operator++(int)
+        {
+            return *this;
+        }
+
+    private:
+        QFileDevice *m_device;
+        std::shared_ptr<QByteArray> m_buffer;
+        int m_bufferSize;
+    };
 }

src/base/utils/misc.h

@@ -41,69 +41,66 @@ enum class ShutdownDialogAction;
 
 /*  Miscellaneous functions that can be useful */
 
-namespace Utils
+namespace Utils::Misc
 {
-    namespace Misc
+    // use binary prefix standards from IEC 60027-2
+    // see http://en.wikipedia.org/wiki/Kilobyte
+    enum class SizeUnit
     {
-        // use binary prefix standards from IEC 60027-2
-        // see http://en.wikipedia.org/wiki/Kilobyte
-        enum class SizeUnit
-        {
-            Byte,       // 1024^0,
-            KibiByte,   // 1024^1,
-            MebiByte,   // 1024^2,
-            GibiByte,   // 1024^3,
-            TebiByte,   // 1024^4,
-            PebiByte,   // 1024^5,
-            ExbiByte    // 1024^6,
-            // int64 is used for sizes and thus the next units can not be handled
-            // ZebiByte,   // 1024^7,
-            // YobiByte,   // 1024^8
-        };
+        Byte,       // 1024^0,
+        KibiByte,   // 1024^1,
+        MebiByte,   // 1024^2,
+        GibiByte,   // 1024^3,
+        TebiByte,   // 1024^4,
+        PebiByte,   // 1024^5,
+        ExbiByte    // 1024^6,
+        // int64 is used for sizes and thus the next units can not be handled
+        // ZebiByte,   // 1024^7,
+        // YobiByte,   // 1024^8
+    };
 
-        QString parseHtmlLinks(const QString &rawText);
+    QString parseHtmlLinks(const QString &rawText);
 
-        void shutdownComputer(const ShutdownDialogAction &action);
+    void shutdownComputer(const ShutdownDialogAction &action);
 
-        QString osName();
-        QString boostVersionString();
-        QString libtorrentVersionString();
-        QString opensslVersionString();
-        QString zlibVersionString();
+    QString osName();
+    QString boostVersionString();
+    QString libtorrentVersionString();
+    QString opensslVersionString();
+    QString zlibVersionString();
 
-        QString unitString(SizeUnit unit, bool isSpeed = false);
+    QString unitString(SizeUnit unit, bool isSpeed = false);
 
-        // return the best user friendly storage unit (B, KiB, MiB, GiB, TiB)
-        // value must be given in bytes
-        QString friendlyUnit(qint64 bytesValue, bool isSpeed = false);
-        int friendlyUnitPrecision(SizeUnit unit);
-        qint64 sizeInBytes(qreal size, SizeUnit unit);
+    // return the best user friendly storage unit (B, KiB, MiB, GiB, TiB)
+    // value must be given in bytes
+    QString friendlyUnit(qint64 bytesValue, bool isSpeed = false);
+    int friendlyUnitPrecision(SizeUnit unit);
+    qint64 sizeInBytes(qreal size, SizeUnit unit);
 
-        bool isPreviewable(const QString &extension);
+    bool isPreviewable(const QString &extension);
 
-        // Take a number of seconds and return a user-friendly
-        // time duration like "1d 2h 10m".
-        QString userFriendlyDuration(qlonglong seconds, qlonglong maxCap = -1);
-        QString getUserIDString();
+    // Take a number of seconds and return a user-friendly
+    // time duration like "1d 2h 10m".
+    QString userFriendlyDuration(qlonglong seconds, qlonglong maxCap = -1);
+    QString getUserIDString();
 
 #ifdef Q_OS_WIN
-        QString windowsSystemPath();
+    QString windowsSystemPath();
 
-        template <typename T>
-        T loadWinAPI(const QString &source, const char *funcName)
-        {
-            QString path = windowsSystemPath();
-            if (!path.endsWith('\\'))
-                path += '\\';
+    template <typename T>
+    T loadWinAPI(const QString &source, const char *funcName)
+    {
+        QString path = windowsSystemPath();
+        if (!path.endsWith('\\'))
+            path += '\\';
 
-            path += source;
+        path += source;
 
-            auto pathWchar = std::make_unique<wchar_t[]>(path.length() + 1);
-            path.toWCharArray(pathWchar.get());
+        auto pathWchar = std::make_unique<wchar_t[]>(path.length() + 1);
+        path.toWCharArray(pathWchar.get());
 
-            return reinterpret_cast<T>(
-                ::GetProcAddress(::LoadLibraryW(pathWchar.get()), funcName));
-        }
-#endif // Q_OS_WIN
+        return reinterpret_cast<T>(
+            ::GetProcAddress(::LoadLibraryW(pathWchar.get()), funcName));
     }
+#endif // Q_OS_WIN
 }

src/base/utils/net.h

@@ -35,24 +35,21 @@ class QSslCertificate;
 class QSslKey;
 class QString;
 
-namespace Utils
+namespace Utils::Net
 {
-    namespace Net
-    {
-        using Subnet = QPair<QHostAddress, int>;
+    using Subnet = QPair<QHostAddress, int>;
 
-        bool isValidIP(const QString &ip);
-        Subnet parseSubnet(const QString &subnetStr, bool *ok = nullptr);
-        bool canParseSubnet(const QString &subnetStr);
-        bool isLoopbackAddress(const QHostAddress &addr);
-        bool isIPInRange(const QHostAddress &addr, const QVector<Subnet> &subnets);
-        QString subnetToString(const Subnet &subnet);
-        QHostAddress canonicalIPv6Addr(const QHostAddress &addr);
+    bool isValidIP(const QString &ip);
+    Subnet parseSubnet(const QString &subnetStr, bool *ok = nullptr);
+    bool canParseSubnet(const QString &subnetStr);
+    bool isLoopbackAddress(const QHostAddress &addr);
+    bool isIPInRange(const QHostAddress &addr, const QVector<Subnet> &subnets);
+    QString subnetToString(const Subnet &subnet);
+    QHostAddress canonicalIPv6Addr(const QHostAddress &addr);
 
-        const int MAX_SSL_FILE_SIZE = 1024 * 1024;
-        QList<QSslCertificate> loadSSLCertificate(const QByteArray &data);
-        bool isSSLCertificatesValid(const QByteArray &data);
-        QSslKey loadSSLKey(const QByteArray &data);
-        bool isSSLKeyValid(const QByteArray &data);
-    }
+    const int MAX_SSL_FILE_SIZE = 1024 * 1024;
+    QList<QSslCertificate> loadSSLCertificate(const QByteArray &data);
+    bool isSSLCertificatesValid(const QByteArray &data);
+    QSslKey loadSSLKey(const QByteArray &data);
+    bool isSSLKeyValid(const QByteArray &data);
 }

src/base/utils/password.h

@@ -31,21 +31,18 @@
 class QByteArray;
 class QString;
 
-namespace Utils
+namespace Utils::Password
 {
-    namespace Password
+    // Implements constant-time comparison to protect against timing attacks
+    // Taken from https://crackstation.net/hashing-security.htm
+    bool slowEquals(const QByteArray &a, const QByteArray &b);
+
+    namespace PBKDF2
     {
-        // Implements constant-time comparison to protect against timing attacks
-        // Taken from https://crackstation.net/hashing-security.htm
-        bool slowEquals(const QByteArray &a, const QByteArray &b);
+        QByteArray generate(const QString &password);
+        QByteArray generate(const QByteArray &password);
 
-        namespace PBKDF2
-        {
-            QByteArray generate(const QString &password);
-            QByteArray generate(const QByteArray &password);
-
-            bool verify(const QByteArray &secret, const QString &password);
-            bool verify(const QByteArray &secret, const QByteArray &password);
-        }
+        bool verify(const QByteArray &secret, const QString &password);
+        bool verify(const QByteArray &secret, const QByteArray &password);
     }
 }

src/base/utils/random.h

@@ -31,10 +31,7 @@
 #include <cstdint>
 #include <limits>
 
-namespace Utils
+namespace Utils::Random
 {
-    namespace Random
-    {
-        uint32_t rand(uint32_t min = 0, uint32_t max = std::numeric_limits<uint32_t>::max());
-    }
+    uint32_t rand(uint32_t min = 0, uint32_t max = std::numeric_limits<uint32_t>::max());
 }

src/base/utils/string.cpp

@@ -42,8 +42,6 @@
 #include <QThreadStorage>
 #endif
 
-#include "base/tristatebool.h"
-
 namespace
 {
     class NaturalCompare
@@ -192,20 +190,14 @@ QString Utils::String::wildcardToRegex(const QString &pattern)
     return qt_regexp_toCanonical(pattern, QRegExp::Wildcard);
 }
 
-bool Utils::String::parseBool(const QString &string, const bool defaultValue)
-{
-    if (defaultValue)
-        return (string.compare("false", Qt::CaseInsensitive) == 0) ? false : true;
-    return (string.compare("true", Qt::CaseInsensitive) == 0) ? true : false;
-}
-
-TriStateBool Utils::String::parseTriStateBool(const QString &string)
+std::optional<bool> Utils::String::parseBool(const QString &string)
 {
     if (string.compare("true", Qt::CaseInsensitive) == 0)
-        return TriStateBool::True;
+        return true;
     if (string.compare("false", Qt::CaseInsensitive) == 0)
-        return TriStateBool::False;
-    return TriStateBool::Undefined;
+        return false;
+
+    return std::nullopt;
 }
 
 QString Utils::String::join(const QVector<QStringRef> &strings, const QString &separator)

src/base/utils/string.h

@@ -29,6 +29,8 @@
 
 #pragma once
 
+#include <optional>
+
 #include <QChar>
 #include <QMetaEnum>
 #include <QString>
@@ -37,62 +39,56 @@
 
 class QStringRef;
 
-class TriStateBool;
-
-namespace Utils
+namespace Utils::String
 {
-    namespace String
+    QString fromDouble(double n, int precision);
+
+    int naturalCompare(const QString &left, const QString &right, const Qt::CaseSensitivity caseSensitivity);
+    template <Qt::CaseSensitivity caseSensitivity>
+    bool naturalLessThan(const QString &left, const QString &right)
     {
-        QString fromDouble(double n, int precision);
+        return (naturalCompare(left, right, caseSensitivity) < 0);
+    }
 
-        int naturalCompare(const QString &left, const QString &right, const Qt::CaseSensitivity caseSensitivity);
-        template <Qt::CaseSensitivity caseSensitivity>
-        bool naturalLessThan(const QString &left, const QString &right)
+    QString wildcardToRegex(const QString &pattern);
+
+    template <typename T>
+    T unquote(const T &str, const QString &quotes = QChar('"'))
+    {
+        if (str.length() < 2) return str;
+
+        for (const QChar quote : quotes)
         {
-            return (naturalCompare(left, right, caseSensitivity) < 0);
+            if (str.startsWith(quote) && str.endsWith(quote))
+                return str.mid(1, (str.length() - 2));
         }
 
-        QString wildcardToRegex(const QString &pattern);
+        return str;
+    }
 
-        template <typename T>
-        T unquote(const T &str, const QString &quotes = QChar('"'))
-        {
-            if (str.length() < 2) return str;
+    std::optional<bool> parseBool(const QString &string);
 
-            for (const QChar quote : quotes)
-            {
-                if (str.startsWith(quote) && str.endsWith(quote))
-                    return str.mid(1, (str.length() - 2));
-            }
+    QString join(const QVector<QStringRef> &strings, const QString &separator);
 
-            return str;
-        }
+    template <typename T, typename std::enable_if_t<std::is_enum_v<T>, int> = 0>
+    QString fromEnum(const T &value)
+    {
+        static_assert(std::is_same_v<int, typename std::underlying_type_t<T>>,
+                      "Enumeration underlying type has to be int.");
 
-        bool parseBool(const QString &string, bool defaultValue);
-        TriStateBool parseTriStateBool(const QString &string);
+        const auto metaEnum = QMetaEnum::fromType<T>();
+        return QString::fromLatin1(metaEnum.valueToKey(static_cast<int>(value)));
+    }
 
-        QString join(const QVector<QStringRef> &strings, const QString &separator);
+    template <typename T, typename std::enable_if_t<std::is_enum_v<T>, int> = 0>
+    T toEnum(const QString &serializedValue, const T &defaultValue)
+    {
+        static_assert(std::is_same_v<int, typename std::underlying_type_t<T>>,
+                      "Enumeration underlying type has to be int.");
 
-        template <typename T, typename std::enable_if_t<std::is_enum<T>::value, int> = 0>
-        QString fromEnum(const T &value)
-        {
-            static_assert(std::is_same<int, typename std::underlying_type_t<T>>::value,
-                          "Enumeration underlying type has to be int.");
-
-            const auto metaEnum = QMetaEnum::fromType<T>();
-            return QString::fromLatin1(metaEnum.valueToKey(static_cast<int>(value)));
-        }
-
-        template <typename T, typename std::enable_if_t<std::is_enum<T>::value, int> = 0>
-        T toEnum(const QString &serializedValue, const T &defaultValue)
-        {
-            static_assert(std::is_same<int, typename std::underlying_type_t<T>>::value,
-                          "Enumeration underlying type has to be int.");
-
-            const auto metaEnum = QMetaEnum::fromType<T>();
-            bool ok = false;
-            const T value = static_cast<T>(metaEnum.keyToValue(serializedValue.toLatin1().constData(), &ok));
-            return (ok ? value : defaultValue);
-        }
+        const auto metaEnum = QMetaEnum::fromType<T>();
+        bool ok = false;
+        const T value = static_cast<T>(metaEnum.keyToValue(serializedValue.toLatin1().constData(), &ok));
+        return (ok ? value : defaultValue);
     }
 }

src/base/version.h.in

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2021  Mike Tzou (Chocobo1)
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -26,8 +26,22 @@
  * exception statement from your version.
  */
 
-#include "tristatebool.h"
+#pragma once
 
-const TriStateBool TriStateBool::Undefined(-1);
-const TriStateBool TriStateBool::False(0);
-const TriStateBool TriStateBool::True(1);
+#define QBT_VERSION_MAJOR 4
+#define QBT_VERSION_MINOR 3
+#define QBT_VERSION_BUGFIX 3
+#define QBT_VERSION_BUILD 0
+#define QBT_VERSION_STATUS ""  // Should be empty for stable releases!
+
+#define QBT__STRINGIFY(x) #x
+#define QBT_STRINGIFY(x) QBT__STRINGIFY(x)
+
+#if (QBT_VERSION_BUILD != 0)
+#define PROJECT_VERSION QBT_STRINGIFY(QBT_VERSION_MAJOR.QBT_VERSION_MINOR.QBT_VERSION_BUGFIX.QBT_VERSION_BUILD) QBT_VERSION_STATUS
+#else
+#define PROJECT_VERSION QBT_STRINGIFY(QBT_VERSION_MAJOR.QBT_VERSION_MINOR.QBT_VERSION_BUGFIX) QBT_VERSION_STATUS
+#endif
+
+#define QBT_VERSION "v" PROJECT_VERSION
+#define QBT_VERSION_2 PROJECT_VERSION

src/gui/CMakeLists.txt

@@ -67,6 +67,7 @@ add_library(qbt_gui STATIC
     torrentcontentmodelitem.h
     torrentcontenttreeview.h
     torrentcreatordialog.h
+    torrentoptionsdialog.h
     trackerentriesdialog.h
     transferlistdelegate.h
     transferlistfilterswidget.h
@@ -76,7 +77,6 @@ add_library(qbt_gui STATIC
     tristateaction.h
     tristatewidget.h
     uithememanager.h
-    updownratiodialog.h
     utils.h
 
     # sources
@@ -147,6 +147,7 @@ add_library(qbt_gui STATIC
     torrentcontentmodelitem.cpp
     torrentcontenttreeview.cpp
     torrentcreatordialog.cpp
+    torrentoptionsdialog.cpp
     trackerentriesdialog.cpp
     transferlistdelegate.cpp
     transferlistfilterswidget.cpp
@@ -156,7 +157,6 @@ add_library(qbt_gui STATIC
     tristateaction.cpp
     tristatewidget.cpp
     uithememanager.cpp
-    updownratiodialog.cpp
     utils.cpp
 
     # forms
@@ -186,8 +186,8 @@ add_library(qbt_gui STATIC
     statsdialog.ui
     torrentcategorydialog.ui
     torrentcreatordialog.ui
+    torrentoptionsdialog.ui
     trackerentriesdialog.ui
-    updownratiodialog.ui
 )
 
 target_sources(qbt_gui INTERFACE about.qrc)

src/gui/aboutdialog.cpp

@@ -32,13 +32,17 @@
 
 #include "base/unicodestrings.h"
 #include "base/utils/misc.h"
+#include "base/version.h"
 #include "ui_aboutdialog.h"
 #include "uithememanager.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "AboutDialog/" name
+
 AboutDialog::AboutDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::AboutDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -60,7 +64,7 @@ AboutDialog::AboutDialog(QWidget *parent)
         "</table>"
         "</p>")
         .arg(tr("An advanced BitTorrent client programmed in C++, based on Qt toolkit and libtorrent-rasterbar.")
-            , tr("Copyright %1 2006-2020 The qBittorrent project").arg(QString::fromUtf8(C_COPYRIGHT))
+            , tr("Copyright %1 2006-2021 The qBittorrent project").arg(QString::fromUtf8(C_COPYRIGHT))
             , tr("Home Page:")
             , tr("Forum:")
             , tr("Bug Tracker:"));
@@ -107,11 +111,12 @@ AboutDialog::AboutDialog(QWidget *parent)
                                      "The database is licensed under the Creative Commons Attribution 4.0 International License"));
     m_ui->labelDBIP->setText(DBIPText);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 AboutDialog::~AboutDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }

src/gui/aboutdialog.h

@@ -30,12 +30,14 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class AboutDialog;
 }
 
-class AboutDialog : public QDialog
+class AboutDialog final : public QDialog
 {
     Q_OBJECT
     Q_DISABLE_COPY(AboutDialog)
@@ -46,4 +48,5 @@ public:
 
 private:
     Ui::AboutDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 };

src/gui/addnewtorrentdialog.cpp

@@ -42,7 +42,7 @@
 #include "base/bittorrent/infohash.h"
 #include "base/bittorrent/magneturi.h"
 #include "base/bittorrent/session.h"
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/exceptions.h"
 #include "base/global.h"
 #include "base/net/downloadmanager.h"
@@ -107,12 +107,7 @@ AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inP
 
     const auto *session = BitTorrent::Session::instance();
 
-    if (m_torrentParams.addPaused == TriStateBool::True)
-        m_ui->startTorrentCheckBox->setChecked(false);
-    else if (m_torrentParams.addPaused == TriStateBool::False)
-        m_ui->startTorrentCheckBox->setChecked(true);
-    else
-        m_ui->startTorrentCheckBox->setChecked(!session->isAddTorrentPaused());
+    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->setCurrentIndex(!session->isAutoTMMDisabledByDefault());
@@ -120,11 +115,11 @@ AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inP
     populateSavePathComboBox();
     connect(m_ui->savePath, &FileSystemPathEdit::selectedPathChanged, this, &AddNewTorrentDialog::onSavePathChanged);
 
-    const bool rememberLastSavePath = settings()->loadValue(KEY_REMEMBERLASTSAVEPATH, false).toBool();
+    const bool rememberLastSavePath = settings()->loadValue(KEY_REMEMBERLASTSAVEPATH, false);
     m_ui->checkBoxRememberLastSavePath->setChecked(rememberLastSavePath);
 
     m_ui->contentLayoutComboBox->setCurrentIndex(
-                static_cast<int>(m_torrentParams.contentLayout ? *m_torrentParams.contentLayout : session->torrentContentLayout()));
+                static_cast<int>(m_torrentParams.contentLayout.value_or(session->torrentContentLayout())));
 
     m_ui->sequentialCheckBox->setChecked(m_torrentParams.sequential);
     m_ui->firstLastCheckBox->setChecked(m_torrentParams.firstLastPiecePriority);
@@ -135,7 +130,7 @@ AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inP
     // Load categories
     QStringList categories = session->categories().keys();
     std::sort(categories.begin(), categories.end(), Utils::String::naturalLessThan<Qt::CaseInsensitive>);
-    QString defaultCategory = settings()->loadValue(KEY_DEFAULTCATEGORY).toString();
+    auto defaultCategory = settings()->loadValue<QString>(KEY_DEFAULTCATEGORY);
 
     if (!m_torrentParams.category.isEmpty())
         m_ui->categoryComboBox->addItem(m_torrentParams.category);
@@ -170,7 +165,7 @@ AddNewTorrentDialog::~AddNewTorrentDialog()
 
 bool AddNewTorrentDialog::isEnabled()
 {
-    return SettingsStorage::instance()->loadValue(KEY_ENABLED, true).toBool();
+    return SettingsStorage::instance()->loadValue(KEY_ENABLED, true);
 }
 
 void AddNewTorrentDialog::setEnabled(bool value)
@@ -180,7 +175,7 @@ void AddNewTorrentDialog::setEnabled(bool value)
 
 bool AddNewTorrentDialog::isTopLevel()
 {
-    return SettingsStorage::instance()->loadValue(KEY_TOPLEVEL, true).toBool();
+    return SettingsStorage::instance()->loadValue(KEY_TOPLEVEL, true);
 }
 
 void AddNewTorrentDialog::setTopLevel(bool value)
@@ -191,7 +186,7 @@ void AddNewTorrentDialog::setTopLevel(bool value)
 int AddNewTorrentDialog::savePathHistoryLength()
 {
     const int defaultHistoryLength = 8;
-    const int value = settings()->loadValue(KEY_SAVEPATHHISTORYLENGTH, defaultHistoryLength).toInt();
+    const int value = settings()->loadValue(KEY_SAVEPATHHISTORYLENGTH, defaultHistoryLength);
     return qBound(minPathHistoryLength, value, maxPathHistoryLength);
 }
 
@@ -204,14 +199,14 @@ void AddNewTorrentDialog::setSavePathHistoryLength(int value)
 
     settings()->storeValue(KEY_SAVEPATHHISTORYLENGTH, clampedValue);
     settings()->storeValue(KEY_SAVEPATHHISTORY
-        , QStringList(settings()->loadValue(KEY_SAVEPATHHISTORY).toStringList().mid(0, clampedValue)));
+        , QStringList(settings()->loadValue<QStringList>(KEY_SAVEPATHHISTORY).mid(0, clampedValue)));
 }
 
 void AddNewTorrentDialog::loadState()
 {
     Utils::Gui::resize(this, m_storeDialogSize);
     m_ui->splitter->restoreState(m_storeSplitterState);
-    m_headerState = settings()->loadValue(KEY_TREEHEADERSTATE).toByteArray();
+    m_headerState = settings()->loadValue<QByteArray>(KEY_TREEHEADERSTATE);
 }
 
 void AddNewTorrentDialog::saveState()
@@ -280,7 +275,7 @@ bool AddNewTorrentDialog::loadTorrentImpl()
     // Prevent showing the dialog if download is already present
     if (BitTorrent::Session::instance()->isKnownTorrent(infoHash))
     {
-        BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(infoHash);
+        BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(infoHash);
         if (torrent)
         {
             if (torrent->isPrivate() || m_torrentInfo.isPrivate())
@@ -321,7 +316,7 @@ bool AddNewTorrentDialog::loadMagnet(const BitTorrent::MagnetUri &magnetUri)
     // Prevent showing the dialog if download is already present
     if (BitTorrent::Session::instance()->isKnownTorrent(infoHash))
     {
-        BitTorrent::TorrentHandle *const torrent = BitTorrent::Session::instance()->findTorrent(infoHash);
+        BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->findTorrent(infoHash);
         if (torrent)
         {
             if (torrent->isPrivate())
@@ -371,7 +366,7 @@ void AddNewTorrentDialog::showEvent(QShowEvent *event)
 void AddNewTorrentDialog::saveSavePathHistory() const
 {
     // Get current history
-    QStringList history = settings()->loadValue(KEY_SAVEPATHHISTORY).toStringList();
+    auto history = settings()->loadValue<QStringList>(KEY_SAVEPATHHISTORY);
     QVector<QDir> historyDirs;
     for (const QString &path : asConst(history))
         historyDirs << QDir {path};
@@ -489,11 +484,11 @@ void AddNewTorrentDialog::populateSavePathComboBox()
     m_ui->savePath->clear();
 
     // Load save path history
-    const QStringList savePathHistory {settings()->loadValue(KEY_SAVEPATHHISTORY).toStringList()};
+    const auto savePathHistory {settings()->loadValue<QStringList>(KEY_SAVEPATHHISTORY)};
     for (const QString &savePath : savePathHistory)
         m_ui->savePath->addItem(savePath);
 
-    const bool rememberLastSavePath {settings()->loadValue(KEY_REMEMBERLASTSAVEPATH, false).toBool()};
+    const bool rememberLastSavePath {settings()->loadValue(KEY_REMEMBERLASTSAVEPATH, false)};
     const QString defSavePath {BitTorrent::Session::instance()->defaultSavePath()};
 
     if (!m_torrentParams.savePath.isEmpty())
@@ -573,7 +568,7 @@ void AddNewTorrentDialog::accept()
     if (m_contentModel)
         m_torrentParams.filePriorities = m_contentModel->model()->getFilePriorities();
 
-    m_torrentParams.addPaused = TriStateBool(!m_ui->startTorrentCheckBox->isChecked());
+    m_torrentParams.addPaused = !m_ui->startTorrentCheckBox->isChecked();
     m_torrentParams.contentLayout = static_cast<BitTorrent::TorrentContentLayout>(m_ui->contentLayoutComboBox->currentIndex());
 
     m_torrentParams.sequential = m_ui->sequentialCheckBox->isChecked();
@@ -582,13 +577,13 @@ void AddNewTorrentDialog::accept()
     QString savePath = m_ui->savePath->selectedPath();
     if (m_ui->comboTTM->currentIndex() != 1)
     { // 0 is Manual mode and 1 is Automatic mode. Handle all non 1 values as manual mode.
-        m_torrentParams.useAutoTMM = TriStateBool::False;
+        m_torrentParams.useAutoTMM = false;
         m_torrentParams.savePath = savePath;
         saveSavePathHistory();
     }
     else
     {
-        m_torrentParams.useAutoTMM = TriStateBool::True;
+        m_torrentParams.useAutoTMM = true;
     }
 
     setEnabled(!m_ui->checkBoxNeverShow->isChecked());
@@ -660,7 +655,7 @@ void AddNewTorrentDialog::setupTreeview()
 
         // Set torrent information
         m_ui->labelCommentData->setText(Utils::Misc::parseHtmlLinks(m_torrentInfo.comment().toHtmlEscaped()));
-        m_ui->labelDateData->setText(!m_torrentInfo.creationDate().isNull() ? m_torrentInfo.creationDate().toString(Qt::DefaultLocaleShortDate) : tr("Not available"));
+        m_ui->labelDateData->setText(!m_torrentInfo.creationDate().isNull() ? QLocale().toString(m_torrentInfo.creationDate(), QLocale::ShortFormat) : tr("Not available"));
 
         // Prepare content tree
         m_contentModel = new TorrentContentFilterModel(this);

src/gui/addnewtorrentdialog.h

@@ -118,6 +118,6 @@ private:
     std::unique_ptr<TorrentFileGuard> m_torrentGuard;
     BitTorrent::AddTorrentParams m_torrentParams;
 
-    CachedSettingValue<QSize> m_storeDialogSize;
-    CachedSettingValue<QByteArray> m_storeSplitterState;
+    SettingValue<QSize> m_storeDialogSize;
+    SettingValue<QByteArray> m_storeSplitterState;
 };

src/gui/advancedsettings.cpp

@@ -715,12 +715,12 @@ void AdvancedSettings::addRow(const int row, const QString &text, T *widget)
     setCellWidget(row, PROPERTY, label);
     setCellWidget(row, VALUE, widget);
 
-    if (std::is_same<T, QCheckBox>::value)
-        connect(widget, SIGNAL(stateChanged(int)), this, SIGNAL(settingsChanged()));
-    else if (std::is_same<T, QSpinBox>::value)
-        connect(widget, SIGNAL(valueChanged(int)), this, SIGNAL(settingsChanged()));
-    else if (std::is_same<T, QComboBox>::value)
-        connect(widget, SIGNAL(currentIndexChanged(int)), this, SIGNAL(settingsChanged()));
-    else if (std::is_same<T, QLineEdit>::value)
-        connect(widget, SIGNAL(textChanged(QString)), this, SIGNAL(settingsChanged()));
+    if constexpr (std::is_same_v<T, QCheckBox>)
+        connect(widget, &QCheckBox::stateChanged, this, &AdvancedSettings::settingsChanged);
+    else if constexpr (std::is_same_v<T, QSpinBox>)
+        connect(widget, qOverload<int>(&QSpinBox::valueChanged), this, &AdvancedSettings::settingsChanged);
+    else if constexpr (std::is_same_v<T, QComboBox>)
+        connect(widget, qOverload<int>(&QComboBox::currentIndexChanged), this, &AdvancedSettings::settingsChanged);
+    else if constexpr (std::is_same_v<T, QLineEdit>)
+        connect(widget, &QLineEdit::textChanged, this, &AdvancedSettings::settingsChanged);
 }

src/gui/autoexpandabledialog.cpp

@@ -28,6 +28,7 @@
 
 #include "autoexpandabledialog.h"
 
+#include "base/utils/fs.h"
 #include "ui_autoexpandabledialog.h"
 #include "utils.h"
 
@@ -57,12 +58,9 @@ QString AutoExpandableDialog::getText(QWidget *parent, const QString &title, con
     d.m_ui->textEdit->selectAll();
     if (excludeExtension)
     {
-        int lastDotIndex = text.lastIndexOf('.');
-        if ((lastDotIndex > 3) && (text.mid(lastDotIndex - 4, 4).toLower() == ".tar"))
-            lastDotIndex -= 4;
-        // Select file name without extension, except dot files like .gitignore
-        if (lastDotIndex > 0)
-            d.m_ui->textEdit->setSelection(0, lastDotIndex);
+        const QString extension = Utils::Fs::fileExtension(text);
+        if (!extension.isEmpty())
+            d.m_ui->textEdit->setSelection(0, (text.length() - extension.length() - 1));
     }
 
     bool res = d.exec();

src/gui/banlistoptionsdialog.cpp

@@ -38,11 +38,13 @@
 #include "ui_banlistoptionsdialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "BanListOptionsDialog/" name
+
 BanListOptionsDialog::BanListOptionsDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::BanListOptionsDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
     , m_model(new QStringListModel(BitTorrent::Session::instance()->bannedIPs(), this))
-    , m_modified(false)
 {
     m_ui->setupUi(this);
 
@@ -54,11 +56,12 @@ BanListOptionsDialog::BanListOptionsDialog(QWidget *parent)
     m_ui->bannedIPList->sortByColumn(0, Qt::AscendingOrder);
     m_ui->buttonBanIP->setEnabled(false);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
 }
 
 BanListOptionsDialog::~BanListOptionsDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 

src/gui/banlistoptionsdialog.h

@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 class QSortFilterProxyModel;
 class QStringListModel;
 
@@ -38,13 +40,14 @@ namespace Ui
     class BanListOptionsDialog;
 }
 
-class BanListOptionsDialog : public QDialog
+class BanListOptionsDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(BanListOptionsDialog)
 
 public:
     explicit BanListOptionsDialog(QWidget *parent = nullptr);
-    ~BanListOptionsDialog();
+    ~BanListOptionsDialog() override;
 
 private slots:
     void on_buttonBox_accepted();
@@ -54,7 +57,8 @@ private slots:
 
 private:
     Ui::BanListOptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
     QStringListModel *m_model;
     QSortFilterProxyModel *m_sortFilter;
-    bool m_modified;
+    bool m_modified = false;
 };

src/gui/categoryfiltermodel.cpp

@@ -32,7 +32,7 @@
 #include <QIcon>
 
 #include "base/bittorrent/session.h"
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/global.h"
 #include "uithememanager.h"
 
@@ -336,7 +336,7 @@ void CategoryFilterModel::categoryRemoved(const QString &categoryName)
     }
 }
 
-void CategoryFilterModel::torrentAdded(BitTorrent::TorrentHandle *const torrent)
+void CategoryFilterModel::torrentAdded(BitTorrent::Torrent *const torrent)
 {
     CategoryModelItem *item = findItem(torrent->category());
     Q_ASSERT(item);
@@ -345,7 +345,7 @@ void CategoryFilterModel::torrentAdded(BitTorrent::TorrentHandle *const torrent)
     m_rootItem->childAt(0)->increaseTorrentsCount();
 }
 
-void CategoryFilterModel::torrentAboutToBeRemoved(BitTorrent::TorrentHandle *const torrent)
+void CategoryFilterModel::torrentAboutToBeRemoved(BitTorrent::Torrent *const torrent)
 {
     CategoryModelItem *item = findItem(torrent->category());
     Q_ASSERT(item);
@@ -354,7 +354,7 @@ void CategoryFilterModel::torrentAboutToBeRemoved(BitTorrent::TorrentHandle *con
     m_rootItem->childAt(0)->decreaseTorrentsCount();
 }
 
-void CategoryFilterModel::torrentCategoryChanged(BitTorrent::TorrentHandle *const torrent, const QString &oldCategory)
+void CategoryFilterModel::torrentCategoryChanged(BitTorrent::Torrent *const torrent, const QString &oldCategory)
 {
     QModelIndex i;
 
@@ -403,7 +403,7 @@ void CategoryFilterModel::populate()
     m_rootItem->addChild(UID_ALL, new CategoryModelItem(nullptr, tr("All"), torrents.count()));
 
     // Uncategorized torrents
-    using Torrent = BitTorrent::TorrentHandle;
+    using Torrent = BitTorrent::Torrent;
     m_rootItem->addChild(
                 UID_UNCATEGORIZED
                 , new CategoryModelItem(
@@ -411,7 +411,7 @@ void CategoryFilterModel::populate()
                     , std::count_if(torrents.begin(), torrents.end()
                                     , [](Torrent *torrent) { return torrent->category().isEmpty(); })));
 
-    using Torrent = BitTorrent::TorrentHandle;
+    using Torrent = BitTorrent::Torrent;
     for (auto i = session->categories().cbegin(); i != session->categories().cend(); ++i)
     {
         const QString &category = i.key();

src/gui/categoryfiltermodel.h

@@ -36,7 +36,7 @@ class CategoryModelItem;
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
 }
 
 class CategoryFilterModel final : public QAbstractItemModel
@@ -63,9 +63,9 @@ public:
 private slots:
     void categoryAdded(const QString &categoryName);
     void categoryRemoved(const QString &categoryName);
-    void torrentAdded(BitTorrent::TorrentHandle *const torrent);
-    void torrentAboutToBeRemoved(BitTorrent::TorrentHandle *const torrent);
-    void torrentCategoryChanged(BitTorrent::TorrentHandle *const torrent, const QString &oldCategory);
+    void torrentAdded(BitTorrent::Torrent *const torrent);
+    void torrentAboutToBeRemoved(BitTorrent::Torrent *const torrent);
+    void torrentCategoryChanged(BitTorrent::Torrent *const torrent, const QString &oldCategory);
     void subcategoriesSupportChanged();
 
 private:

src/gui/cookiesdialog.cpp

@@ -61,9 +61,9 @@ CookiesDialog::CookiesDialog(QWidget *parent)
                     m_cookiesModel->index(0, 0),
                     QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
 
-    Utils::Gui::resize(this, SettingsStorage::instance()->loadValue(KEY_SIZE).toSize());
+    Utils::Gui::resize(this, SettingsStorage::instance()->loadValue<QSize>(KEY_SIZE));
     m_ui->treeView->header()->restoreState(
-                SettingsStorage::instance()->loadValue(KEY_COOKIESVIEWSTATE).toByteArray());
+        SettingsStorage::instance()->loadValue<QByteArray>(KEY_COOKIESVIEWSTATE));
 }
 
 CookiesDialog::~CookiesDialog()

src/gui/downloadfromurldialog.cpp

@@ -39,6 +39,8 @@
 #include "ui_downloadfromurldialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "DownloadFromURLDialog/" name
+
 namespace
 {
     bool isDownloadable(const QString &str)
@@ -55,6 +57,7 @@ namespace
 DownloadFromURLDialog::DownloadFromURLDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::DownloadFromURLDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -82,12 +85,13 @@ DownloadFromURLDialog::DownloadFromURLDialog(QWidget *parent)
     }
     m_ui->textUrls->setText(uniqueURLs.values().join('\n'));
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 DownloadFromURLDialog::~DownloadFromURLDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 

src/gui/downloadfromurldialog.h

@@ -30,19 +30,21 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class DownloadFromURLDialog;
 }
 
-class DownloadFromURLDialog : public QDialog
+class DownloadFromURLDialog final : public QDialog
 {
     Q_OBJECT
     Q_DISABLE_COPY(DownloadFromURLDialog)
 
 public:
     explicit DownloadFromURLDialog(QWidget *parent);
-    ~DownloadFromURLDialog();
+    ~DownloadFromURLDialog() override;
 
 signals:
     void urlsReadyToBeDownloaded(const QStringList &torrentURLs);
@@ -52,4 +54,5 @@ private slots:
 
 private:
     Ui::DownloadFromURLDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 };

src/gui/gui.pri

@@ -68,6 +68,7 @@ HEADERS += \
     $$PWD/torrentcontentmodelitem.h \
     $$PWD/torrentcontenttreeview.h \
     $$PWD/torrentcreatordialog.h \
+    $$PWD/torrentoptionsdialog.h \
     $$PWD/trackerentriesdialog.h \
     $$PWD/transferlistdelegate.h \
     $$PWD/transferlistfilterswidget.h \
@@ -77,7 +78,6 @@ HEADERS += \
     $$PWD/tristateaction.h \
     $$PWD/tristatewidget.h \
     $$PWD/uithememanager.h \
-    $$PWD/updownratiodialog.h \
     $$PWD/utils.h
 
 SOURCES += \
@@ -148,6 +148,7 @@ SOURCES += \
     $$PWD/torrentcontentmodelitem.cpp \
     $$PWD/torrentcontenttreeview.cpp \
     $$PWD/torrentcreatordialog.cpp \
+    $$PWD/torrentoptionsdialog.cpp \
     $$PWD/trackerentriesdialog.cpp \
     $$PWD/transferlistdelegate.cpp \
     $$PWD/transferlistfilterswidget.cpp \
@@ -157,7 +158,6 @@ SOURCES += \
     $$PWD/tristateaction.cpp \
     $$PWD/tristatewidget.cpp \
     $$PWD/uithememanager.cpp \
-    $$PWD/updownratiodialog.cpp \
     $$PWD/utils.cpp
 
 win32|macx {
@@ -207,7 +207,7 @@ FORMS += \
     $$PWD/statsdialog.ui \
     $$PWD/torrentcategorydialog.ui \
     $$PWD/torrentcreatordialog.ui \
-    $$PWD/trackerentriesdialog.ui \
-    $$PWD/updownratiodialog.ui
+    $$PWD/torrentoptionsdialog.ui \
+    $$PWD/trackerentriesdialog.ui
 
 RESOURCES += $$PWD/about.qrc

src/gui/ipsubnetwhitelistoptionsdialog.cpp

@@ -38,10 +38,12 @@
 #include "ui_ipsubnetwhitelistoptionsdialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "IPSubnetWhitelistOptionsDialog/" name
+
 IPSubnetWhitelistOptionsDialog::IPSubnetWhitelistOptionsDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::IPSubnetWhitelistOptionsDialog)
-    , m_modified(false)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
 
@@ -58,11 +60,12 @@ IPSubnetWhitelistOptionsDialog::IPSubnetWhitelistOptionsDialog(QWidget *parent)
     m_ui->whitelistedIPSubnetList->sortByColumn(0, Qt::AscendingOrder);
     m_ui->buttonWhitelistIPSubnet->setEnabled(false);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
 }
 
 IPSubnetWhitelistOptionsDialog::~IPSubnetWhitelistOptionsDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 

src/gui/ipsubnetwhitelistoptionsdialog.h

@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 class QSortFilterProxyModel;
 class QStringListModel;
 
@@ -38,14 +40,14 @@ namespace Ui
     class IPSubnetWhitelistOptionsDialog;
 }
 
-class IPSubnetWhitelistOptionsDialog : public QDialog
+class IPSubnetWhitelistOptionsDialog final : public QDialog
 {
     Q_OBJECT
     Q_DISABLE_COPY(IPSubnetWhitelistOptionsDialog)
 
 public:
     explicit IPSubnetWhitelistOptionsDialog(QWidget *parent = nullptr);
-    ~IPSubnetWhitelistOptionsDialog();
+    ~IPSubnetWhitelistOptionsDialog() override;
 
 private slots:
     void on_buttonBox_accepted();
@@ -55,7 +57,9 @@ private slots:
 
 private:
     Ui::IPSubnetWhitelistOptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
+
     QStringListModel *m_model;
     QSortFilterProxyModel *m_sortFilter;
-    bool m_modified;
+    bool m_modified = false;
 };

src/gui/log/logmodel.cpp

@@ -155,7 +155,7 @@ LogMessageModel::LogMessageModel(QObject *parent)
 
 void LogMessageModel::handleNewMessage(const Log::Msg &message)
 {
-    const QString time = QDateTime::fromMSecsSinceEpoch(message.timestamp).toString(Qt::SystemLocaleShortDate);
+    const QString time = QLocale::system().toString(QDateTime::fromMSecsSinceEpoch(message.timestamp), QLocale::ShortFormat);
     const QString messageText = message.message;
     const QColor foreground = m_foregroundForMessageTypes[message.type];
 
@@ -173,7 +173,7 @@ LogPeerModel::LogPeerModel(QObject *parent)
 
 void LogPeerModel::handleNewMessage(const Log::Peer &peer)
 {
-    const QString time = QDateTime::fromMSecsSinceEpoch(peer.timestamp).toString(Qt::SystemLocaleShortDate);
+    const QString time = QLocale::system().toString(QDateTime::fromMSecsSinceEpoch(peer.timestamp), QLocale::ShortFormat);
     const QString message = peer.blocked
             ? tr("%1 was blocked. Reason: %2.", "0.0.0.0 was blocked. Reason: reason for blocking.").arg(peer.ip, peer.reason)
             : tr("%1 was banned", "0.0.0.0 was banned").arg(peer.ip);

src/gui/mainwindow.cpp

@@ -58,7 +58,7 @@
 
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/sessionstatus.h"
-#include "base/bittorrent/torrenthandle.h"
+#include "base/bittorrent/torrent.h"
 #include "base/global.h"
 #include "base/logger.h"
 #include "base/net/downloadmanager.h"
@@ -70,6 +70,7 @@
 #include "base/utils/fs.h"
 #include "base/utils/misc.h"
 #include "base/utils/password.h"
+#include "base/version.h"
 #include "aboutdialog.h"
 #include "addnewtorrentdialog.h"
 #include "autoexpandabledialog.h"
@@ -172,10 +173,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     m_ui->actionOpen->setIcon(UIThemeManager::instance()->getIcon("list-add"));
     m_ui->actionDownloadFromURL->setIcon(UIThemeManager::instance()->getIcon("insert-link"));
-    m_ui->actionSetUploadLimit->setIcon(UIThemeManager::instance()->getIcon("kt-set-max-upload-speed"));
-    m_ui->actionSetDownloadLimit->setIcon(UIThemeManager::instance()->getIcon("kt-set-max-download-speed"));
-    m_ui->actionSetGlobalUploadLimit->setIcon(UIThemeManager::instance()->getIcon("kt-set-max-upload-speed"));
-    m_ui->actionSetGlobalDownloadLimit->setIcon(UIThemeManager::instance()->getIcon("kt-set-max-download-speed"));
+    m_ui->actionSetGlobalSpeedLimits->setIcon(UIThemeManager::instance()->getIcon("speedometer"));
     m_ui->actionCreateTorrent->setIcon(UIThemeManager::instance()->getIcon("document-edit"));
     m_ui->actionAbout->setIcon(UIThemeManager::instance()->getIcon("help-about"));
     m_ui->actionStatistics->setIcon(UIThemeManager::instance()->getIcon("view-statistics"));
@@ -211,8 +209,6 @@ MainWindow::MainWindow(QWidget *parent)
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::downloadFromUrlFailed, this, &MainWindow::handleDownloadFromUrlFailure);
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::speedLimitModeChanged, this, &MainWindow::updateAltSpeedsBtn);
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::recursiveTorrentDownloadPossible, this, &MainWindow::askRecursiveTorrentDownloadConfirmation);
-    connect(BitTorrent::Session::instance(), &BitTorrent::Session::torrentStorageMoveFinished, this, &MainWindow::moveTorrentFinished);
-    connect(BitTorrent::Session::instance(), &BitTorrent::Session::torrentStorageMoveFailed, this, &MainWindow::moveTorrentFailed);
 
     qDebug("create tabWidget");
     m_tabs = new HidableTabWidget(this);
@@ -264,11 +260,11 @@ MainWindow::MainWindow(QWidget *parent)
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::trackerlessStateChanged, m_transferListFiltersWidget, &TransferListFiltersWidget::changeTrackerless);
 
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::trackerSuccess
-        , m_transferListFiltersWidget, qOverload<const BitTorrent::TorrentHandle *, const QString &>(&TransferListFiltersWidget::trackerSuccess));
+        , m_transferListFiltersWidget, qOverload<const BitTorrent::Torrent *, const QString &>(&TransferListFiltersWidget::trackerSuccess));
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::trackerError
-        , m_transferListFiltersWidget, qOverload<const BitTorrent::TorrentHandle *, const QString &>(&TransferListFiltersWidget::trackerError));
+        , m_transferListFiltersWidget, qOverload<const BitTorrent::Torrent *, const QString &>(&TransferListFiltersWidget::trackerError));
     connect(BitTorrent::Session::instance(), &BitTorrent::Session::trackerWarning
-        , m_transferListFiltersWidget, qOverload<const BitTorrent::TorrentHandle *, const QString &>(&TransferListFiltersWidget::trackerWarning));
+        , m_transferListFiltersWidget, qOverload<const BitTorrent::Torrent *, const QString &>(&TransferListFiltersWidget::trackerWarning));
 
 #ifdef Q_OS_MACOS
     // Increase top spacing to avoid tab overlapping
@@ -494,7 +490,7 @@ MainWindow::~MainWindow()
 
 bool MainWindow::isExecutionLogEnabled() const
 {
-    return settings()->loadValue(KEY_EXECUTIONLOG_ENABLED, false).toBool();
+    return settings()->loadValue(KEY_EXECUTIONLOG_ENABLED, false);
 }
 
 void MainWindow::setExecutionLogEnabled(bool value)
@@ -506,7 +502,7 @@ int MainWindow::executionLogMsgTypes() const
 {
     // as default value we need all the bits set
     // -1 is considered the portable way to achieve that
-    return settings()->loadValue(KEY_EXECUTIONLOG_TYPES, -1).toInt();
+    return settings()->loadValue(KEY_EXECUTIONLOG_TYPES, -1);
 }
 
 void MainWindow::setExecutionLogMsgTypes(const int value)
@@ -517,7 +513,7 @@ void MainWindow::setExecutionLogMsgTypes(const int value)
 
 bool MainWindow::isNotificationsEnabled() const
 {
-    return settings()->loadValue(KEY_NOTIFICATIONS_ENABLED, true).toBool();
+    return settings()->loadValue(KEY_NOTIFICATIONS_ENABLED, true);
 }
 
 void MainWindow::setNotificationsEnabled(bool value)
@@ -527,7 +523,7 @@ void MainWindow::setNotificationsEnabled(bool value)
 
 bool MainWindow::isTorrentAddedNotificationsEnabled() const
 {
-    return settings()->loadValue(KEY_NOTIFICATIONS_TORRENTADDED, false).toBool();
+    return settings()->loadValue(KEY_NOTIFICATIONS_TORRENTADDED, false);
 }
 
 void MainWindow::setTorrentAddedNotificationsEnabled(bool value)
@@ -537,7 +533,7 @@ void MainWindow::setTorrentAddedNotificationsEnabled(bool value)
 
 bool MainWindow::isDownloadTrackerFavicon() const
 {
-    return settings()->loadValue(KEY_DOWNLOAD_TRACKER_FAVICON, false).toBool();
+    return settings()->loadValue(KEY_DOWNLOAD_TRACKER_FAVICON, false);
 }
 
 void MainWindow::setDownloadTrackerFavicon(bool value)
@@ -862,30 +858,20 @@ void MainWindow::addTorrentFailed(const QString &error) const
 }
 
 // called when a torrent was added
-void MainWindow::torrentNew(BitTorrent::TorrentHandle *const torrent) const
+void MainWindow::torrentNew(BitTorrent::Torrent *const torrent) const
 {
     if (isTorrentAddedNotificationsEnabled())
         showNotificationBaloon(tr("Torrent added"), tr("'%1' was added.", "e.g: xxx.avi was added.").arg(torrent->name()));
 }
 
 // called when a torrent has finished
-void MainWindow::finishedTorrent(BitTorrent::TorrentHandle *const torrent) const
+void MainWindow::finishedTorrent(BitTorrent::Torrent *const torrent) const
 {
     showNotificationBaloon(tr("Download completion"), tr("'%1' has finished downloading.", "e.g: xxx.avi has finished downloading.").arg(torrent->name()));
 }
 
-void MainWindow::moveTorrentFinished(BitTorrent::TorrentHandle *const torrent, const QString &newPath) const
-{
-    showNotificationBaloon(tr("Torrent moving finished"), tr("'%1' has finished moving files to '%2'.").arg(torrent->name(), newPath));
-}
-
-void MainWindow::moveTorrentFailed(BitTorrent::TorrentHandle *const torrent, const QString &targetPath, const QString &error) const
-{
-    showNotificationBaloon(tr("Torrent moving failed"), tr("'%1' has failed moving files to '%2'. Reason: %3").arg(torrent->name(), targetPath, error));
-}
-
 // Notification when disk is full
-void MainWindow::fullDiskError(BitTorrent::TorrentHandle *const torrent, const QString &msg) const
+void MainWindow::fullDiskError(BitTorrent::Torrent *const torrent, const QString &msg) const
 {
     showNotificationBaloon(tr("I/O Error", "i.e: Input/Output Error")
         , tr("An I/O error occurred for torrent '%1'.\n Reason: %2"
@@ -975,7 +961,7 @@ void MainWindow::displayExecutionLogTab()
 
 // End of keyboard shortcuts slots
 
-void MainWindow::askRecursiveTorrentDownloadConfirmation(BitTorrent::TorrentHandle *const torrent)
+void MainWindow::askRecursiveTorrentDownloadConfirmation(BitTorrent::Torrent *const torrent)
 {
     Preferences *const pref = Preferences::instance();
     if (pref->recursiveDownloadDisabled()) return;
@@ -1008,36 +994,11 @@ void MainWindow::handleDownloadFromUrlFailure(const QString &url, const QString
         , tr("Couldn't download file at URL '%1', reason: %2.").arg(url, reason));
 }
 
-void MainWindow::on_actionSetGlobalUploadLimit_triggered()
+void MainWindow::on_actionSetGlobalSpeedLimits_triggered()
 {
-    qDebug() << Q_FUNC_INFO;
-
-    BitTorrent::Session *const session = BitTorrent::Session::instance();
-    bool ok = false;
-    const long newLimit = SpeedLimitDialog::askSpeedLimit(
-        this, &ok, tr("Global Upload Speed Limit"), session->uploadSpeedLimit());
-
-    if (ok)
-    {
-        qDebug("Setting global upload rate limit to %.1fKb/s", newLimit / 1024.);
-        session->setUploadSpeedLimit(newLimit);
-    }
-}
-
-void MainWindow::on_actionSetGlobalDownloadLimit_triggered()
-{
-    qDebug() << Q_FUNC_INFO;
-
-    BitTorrent::Session *const session = BitTorrent::Session::instance();
-    bool ok = false;
-    const long newLimit = SpeedLimitDialog::askSpeedLimit(
-        this, &ok, tr("Global Download Speed Limit"), session->downloadSpeedLimit());
-
-    if (ok)
-    {
-        qDebug("Setting global download rate limit to %.1fKb/s", newLimit / 1024.);
-        session->setDownloadSpeedLimit(newLimit);
-    }
+    auto dialog = new SpeedLimitDialog {this};
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
+    dialog->open();
 }
 
 // Necessary if we want to close the window
@@ -1678,7 +1639,7 @@ void MainWindow::reloadSessionStats()
     }
 }
 
-void MainWindow::reloadTorrentStats(const QVector<BitTorrent::TorrentHandle *> &torrents)
+void MainWindow::reloadTorrentStats(const QVector<BitTorrent::Torrent *> &torrents)
 {
     if (currentTabWidget() == m_transferListWidget)
     {
@@ -1808,8 +1769,7 @@ QMenu *MainWindow::trayIconMenu()
     updateAltSpeedsBtn(isAltBWEnabled);
     m_ui->actionUseAlternativeSpeedLimits->setChecked(isAltBWEnabled);
     m_trayIconMenu->addAction(m_ui->actionUseAlternativeSpeedLimits);
-    m_trayIconMenu->addAction(m_ui->actionSetGlobalDownloadLimit);
-    m_trayIconMenu->addAction(m_ui->actionSetGlobalUploadLimit);
+    m_trayIconMenu->addAction(m_ui->actionSetGlobalSpeedLimits);
     m_trayIconMenu->addSeparator();
     m_trayIconMenu->addAction(m_ui->actionStartAll);
     m_trayIconMenu->addAction(m_ui->actionPauseAll);

src/gui/mainwindow.h

@@ -58,7 +58,7 @@ class TransferListWidget;
 
 namespace BitTorrent
 {
-    class TorrentHandle;
+    class Torrent;
 }
 
 namespace Net
@@ -110,7 +110,7 @@ private slots:
     void balloonClicked();
     void writeSettings();
     void readSettings();
-    void fullDiskError(BitTorrent::TorrentHandle *const torrent, const QString &msg) const;
+    void fullDiskError(BitTorrent::Torrent *const torrent, const QString &msg) const;
     void handleDownloadFromUrlFailure(const QString &, const QString &) const;
     void tabChanged(int newTab);
     bool defineUILockPassword();
@@ -127,14 +127,12 @@ private slots:
     void displayExecutionLogTab();
     void focusSearchFilter();
     void reloadSessionStats();
-    void reloadTorrentStats(const QVector<BitTorrent::TorrentHandle *> &torrents);
+    void reloadTorrentStats(const QVector<BitTorrent::Torrent *> &torrents);
     void loadPreferences(bool configureSession = true);
     void addTorrentFailed(const QString &error) const;
-    void torrentNew(BitTorrent::TorrentHandle *const torrent) const;
-    void finishedTorrent(BitTorrent::TorrentHandle *const torrent) const;
-    void moveTorrentFinished(BitTorrent::TorrentHandle *const torrent, const QString &newPath) const;
-    void moveTorrentFailed(BitTorrent::TorrentHandle *const torrent, const QString &targetPath, const QString &error) const;
-    void askRecursiveTorrentDownloadConfirmation(BitTorrent::TorrentHandle *const torrent);
+    void torrentNew(BitTorrent::Torrent *const torrent) const;
+    void finishedTorrent(BitTorrent::Torrent *const torrent) const;
+    void askRecursiveTorrentDownloadConfirmation(BitTorrent::Torrent *const torrent);
     void optionsSaved();
 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
     void handleUpdateCheckFinished(bool updateAvailable, QString newVersion, bool invokedByUser);
@@ -171,8 +169,7 @@ private slots:
     void on_actionStatistics_triggered();
     void on_actionCreateTorrent_triggered();
     void on_actionOptions_triggered();
-    void on_actionSetGlobalUploadLimit_triggered();
-    void on_actionSetGlobalDownloadLimit_triggered();
+    void on_actionSetGlobalSpeedLimits_triggered();
     void on_actionDocumentation_triggered() const;
     void on_actionOpen_triggered();
     void on_actionDownloadFromURL_triggered();

src/gui/mainwindow.ui

@@ -223,29 +223,14 @@
     <string>Torrent &amp;Creator</string>
    </property>
   </action>
-  <action name="actionSetUploadLimit">
-   <property name="text">
-    <string>Set Upload Limit...</string>
-   </property>
-  </action>
-  <action name="actionSetDownloadLimit">
-   <property name="text">
-    <string>Set Download Limit...</string>
-   </property>
-  </action>
   <action name="actionDocumentation">
    <property name="text">
     <string>&amp;Documentation</string>
    </property>
   </action>
-  <action name="actionSetGlobalDownloadLimit">
+  <action name="actionSetGlobalSpeedLimits">
    <property name="text">
-    <string>Set Global Download Limit...</string>
-   </property>
-  </action>
-  <action name="actionSetGlobalUploadLimit">
-   <property name="text">
-    <string>Set Global Upload Limit...</string>
+    <string>Set Global Speed Limits...</string>
    </property>
   </action>
   <action name="actionBottomQueuePos">

src/gui/optionsdialog.cpp

@@ -68,6 +68,8 @@
 #include "uithememanager.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "OptionsDialog/" name
+
 namespace
 {
     QStringList translatedWeekdayNames()
@@ -88,6 +90,7 @@ namespace
         {
         case QLocale::Arabic: return QString::fromUtf8(C_LOCALE_ARABIC);
         case QLocale::Armenian: return QString::fromUtf8(C_LOCALE_ARMENIAN);
+        case QLocale::Azerbaijani: return QString::fromUtf8(C_LOCALE_AZERBAIJANI);
         case QLocale::Basque: return QString::fromUtf8(C_LOCALE_BASQUE);
         case QLocale::Bulgarian: return QString::fromUtf8(C_LOCALE_BULGARIAN);
         case QLocale::Byelorussian: return QString::fromUtf8(C_LOCALE_BYELORUSSIAN);
@@ -110,6 +113,7 @@ namespace
             case QLocale::UnitedKingdom: return QString::fromUtf8(C_LOCALE_ENGLISH_UNITEDKINGDOM);
             default: return QString::fromUtf8(C_LOCALE_ENGLISH);
             }
+        case QLocale::Estonian: return QString::fromUtf8(C_LOCALE_ESTONIAN);
         case QLocale::Finnish: return QString::fromUtf8(C_LOCALE_FINNISH);
         case QLocale::French: return QString::fromUtf8(C_LOCALE_FRENCH);
         case QLocale::Galician: return QString::fromUtf8(C_LOCALE_GALICIAN);
@@ -127,7 +131,7 @@ namespace
         case QLocale::Latvian: return QString::fromUtf8(C_LOCALE_LATVIAN);
         case QLocale::Lithuanian: return QString::fromUtf8(C_LOCALE_LITHUANIAN);
         case QLocale::Malay: return QString::fromUtf8(C_LOCALE_MALAY);
-        case QLocale::Norwegian: return QString::fromUtf8(C_LOCALE_NORWEGIAN);
+        case QLocale::NorwegianBokmal: return QString::fromUtf8(C_LOCALE_NORWEGIAN);
         case QLocale::Occitan: return QString::fromUtf8(C_LOCALE_OCCITAN);
         case QLocale::Polish: return QString::fromUtf8(C_LOCALE_POLISH);
         case QLocale::Portuguese:
@@ -167,9 +171,10 @@ private:
 
 // Constructor
 OptionsDialog::OptionsDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_refreshingIpFilter(false)
-    , m_ui(new Ui::OptionsDialog)
+    : QDialog {parent}
+    , m_ui {new Ui::OptionsDialog}
+    , m_storeDialogSize {SETTINGS_KEY("Size")}
+    , m_storeHSplitterSize {SETTINGS_KEY("HorizontalSplitterSizes")}
 {
     qDebug("-> Constructing Options");
     m_ui->setupUi(this);
@@ -563,7 +568,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     for (QSpinBox *widget : asConst(findChildren<QSpinBox *>()))
         widget->installEventFilter(wheelEventEater);
 
-    loadWindowState();
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
     // Have to be called after show(), because splitter width needed
     loadSplitterState();
@@ -604,7 +609,13 @@ OptionsDialog::~OptionsDialog()
 {
     qDebug("-> destructing Options");
 
-    saveWindowState();
+    // save dialog states
+    m_storeDialogSize = size();
+
+    QStringList hSplitterSizes;
+    for (const int size : asConst(m_ui->hsplitter->sizes()))
+        hSplitterSizes.append(QString::number(size));
+    m_storeHSplitterSize = hSplitterSizes;
 
     for (const QString &path : asConst(m_addedScanDirs))
         ScanFoldersModel::instance()->removePath(path);
@@ -619,38 +630,18 @@ void OptionsDialog::changePage(QListWidgetItem *current, QListWidgetItem *previo
     m_ui->tabOption->setCurrentIndex(m_ui->tabSelection->row(current));
 }
 
-void OptionsDialog::loadWindowState()
-{
-    Utils::Gui::resize(this, Preferences::instance()->getPrefSize());
-}
-
 void OptionsDialog::loadSplitterState()
 {
-    const QStringList sizesStr = Preferences::instance()->getPrefHSplitterSizes();
-
     // width has been modified, use height as width reference instead
     const int width = Utils::Gui::scaledSize(this
         , (m_ui->tabSelection->item(TAB_UI)->sizeHint().height() * 2));
-    QList<int> sizes {width, (m_ui->hsplitter->width() - width)};
-    if (sizesStr.size() == 2)
-        sizes = {sizesStr.first().toInt(), sizesStr.last().toInt()};
-    m_ui->hsplitter->setSizes(sizes);
-}
+    const QStringList defaultSizes = {QString::number(width), QString::number(m_ui->hsplitter->width() - width)};
 
-void OptionsDialog::saveWindowState() const
-{
-    Preferences *const pref = Preferences::instance();
+    QList<int> splitterSizes;
+    for (const QString &string : asConst(m_storeHSplitterSize.get(defaultSizes)))
+        splitterSizes.append(string.toInt());
 
-    // window size
-    pref->setPrefSize(size());
-
-    // Splitter size
-    const QStringList sizesStr =
-    {
-        QString::number(m_ui->hsplitter->sizes().first()),
-        QString::number(m_ui->hsplitter->sizes().last())
-    };
-    pref->setPrefHSplitterSizes(sizesStr);
+    m_ui->hsplitter->setSizes(splitterSizes);
 }
 
 void OptionsDialog::saveOptions()
@@ -1612,6 +1603,8 @@ void OptionsDialog::setLocale(const QString &localeStr)
         QLocale locale(localeStr);
         if (locale.language() == QLocale::Uzbek)
             name = "uz@Latn";
+        else if (locale.language() == QLocale::Azerbaijani)
+            name = "az@latin";
         else
             name = locale.name();
     }