chore: reduce the length of the error message in cmake

Also use git version of aqtinstall for Qt 6.11.0+ for Windows
miurahr/aqtinstall#1007

.git-blame-ignore-revs

@@ -0,0 +1,3 @@
+# .git-blame-ignore-revs
+# CR LF to LF
+ed5a6023326fd2ab420ded76976501be33e0b389

.gitattributes

@@ -0,0 +1,5 @@
+*.txt    text eol=lf
+*.cpp    text eol=lf
+*.h      text eol=lf
+*.ui     text eol=lf
+*.qml    text eol=lf

.github/workflows/macos.yml

@@ -8,12 +8,19 @@ jobs:
     runs-on: macos-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+    - name: Install uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        enable-cache: true
+    - name: Install MetaGlot
+      run: uv tool install git+https://github.com/SarasasChipWorkshop/metaglot.git
     - name: Install Qt
       uses: jurplel/install-qt-action@v4
       with:
-        version: '6.9.0'
+        version: '6.11.2'
         modules: 'qtimageformats'
+        cache: true
     - name: Install Conan and Dependencies
       id: conan
       working-directory: ./
@@ -32,7 +39,7 @@ jobs:
       run: |
         macdeployqt ./ppic.app -dmg
         ls
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: "macos-bundle"
         path: "*.dmg"

.github/workflows/ubuntu.yml

@@ -1,36 +1,18 @@
 name: Ubuntu CI
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
-  ubuntu-22-04-build:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - name: Get build dept.
-        run: |
-          sudo apt update
-          sudo apt install cmake qtbase5-dev libqt5svg5-dev qttools5-dev libexiv2-dev
-      - name: Build it
-        run: |
-          mkdir build
-          cd build
-          cmake ../ -DPREFER_QT_5=ON
-          make
-          cpack -G DEB
-      - name: Try install it
-        run: |
-          cd build
-          sudo apt install ./*.deb
-      - uses: actions/upload-artifact@v4
-        with:
-          name: ubuntu-22.04-deb-package
-          path: build/*.deb
-
   ubuntu-24-04-build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
+      - name: Install MetaGlot
+        run: uv tool install git+https://github.com/SarasasChipWorkshop/metaglot.git
       - name: Get build dept.
         run: |
           sudo apt update
@@ -39,14 +21,14 @@ jobs:
         run: |
           mkdir build
           cd build
-          cmake ../ -DPREFER_QT_5=OFF
+          cmake ../
           make
           cpack -G DEB
       - name: Try install it
         run: |
           cd build
           sudo apt install ./*.deb
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: ubuntu-24.04-deb-package
           path: build/*.deb

.github/workflows/windows.yml

@@ -3,48 +3,12 @@ name: Windows CI
 on: [push, pull_request, workflow_dispatch]
 
 jobs:
-  msvc-qmake-build:
-  
-    strategy:
-      matrix:
-        include:
-          - qt_ver: '6.9.0'
-            vs: '2022'
-            aqt_arch: 'win64_msvc2022_64'
-            msvc_arch: 'x64'
-
-    runs-on: windows-2022
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Qt
-      uses: jurplel/install-qt-action@v4
-      with:
-        arch: ${{ matrix.aqt_arch }}
-        version: ${{ matrix.qt_ver }}
-        modules: 'qtimageformats'
-    - name: Build
-      shell: cmd
-      run: |
-        set VS=${{ matrix.vs }}
-        set VCVARS="C:\Program Files (x86)\Microsoft Visual Studio\%VS%\Enterprise\VC\Auxiliary\Build\vcvarsall.bat"
-        if not exist %VCVARS% set VCVARS="C:\Program Files\Microsoft Visual Studio\%VS%\Enterprise\VC\Auxiliary\Build\vcvarsall.bat"
-        call %VCVARS% ${{ matrix.msvc_arch }}
-        qmake pineapple-pictures.pro
-        nmake
-        nmake clean
-        windeployqt --verbose=2 --no-quick-import --no-translations --no-opengl-sw --no-system-d3d-compiler --no-system-dxc-compiler --skip-plugin-types tls,networkinformation release\ppic.exe
-    - uses: actions/upload-artifact@v4
-      with:
-        name: "windows-msvc${{ matrix.vs }}-qt${{ matrix.qt_ver }}-qmake-package"
-        path: release/*
-
   msvc-cmake-build:
 
     strategy:
       matrix:
         include:
-          - qt_ver: '6.9.0'
+          - qt_ver: '6.11.2'
             vs: '2022'
             aqt_arch: 'win64_msvc2022_64'
             msvc_arch: 'x64'
@@ -52,13 +16,22 @@ jobs:
     runs-on: windows-2022
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+    - name: Install uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        enable-cache: true
+    - name: Install MetaGlot
+      run: uv tool install git+https://github.com/SarasasChipWorkshop/metaglot.git
     - name: Install Qt
       uses: jurplel/install-qt-action@v4
       with:
         arch: ${{ matrix.aqt_arch }}
         version: ${{ matrix.qt_ver }}
         modules: 'qtimageformats'
+        cache: true
+        # we need this until miurahr/aqtinstall#1007 ships 3.3.1 for Qt >= 6.11.0 for Windows.
+        aqtsource: 'aqtinstall @ git+https://github.com/miurahr/aqtinstall@16db45a70b5905ad596941b223469bc86a56901a'
     - name: Build
       shell: cmd
       run: |
@@ -72,33 +45,33 @@ jobs:
         set CMAKE_PREFIX_PATH=%PWD%/dependencies_bin
         mkdir dependencies_src
         echo ::group::===== exiv2 =====
-        curl -fsSL -o exiv2_bin.zip https://github.com/Exiv2/exiv2/releases/download/v0.28.3/exiv2-0.28.3-2019msvc64.zip
+        curl -fsSL -o exiv2_bin.zip https://github.com/Exiv2/exiv2/releases/download/v0.28.7/exiv2-0.28.7-2022msvc-AMD64.zip
         7z x exiv2_bin.zip -y
-        ren .\exiv2-0.28.3-2019msvc64 dependencies_bin
+        ren .\exiv2-0.28.7-2022msvc-AMD64 dependencies_bin
         echo ::endgroup::
         echo ::group::===== zlib =====
-        curl -fsSL -o zlib_src.zip https://zlib.net/zlib131.zip
+        curl -fsSL -o zlib_src.zip https://github.com/madler/zlib/releases/download/v1.3.2/zlib132.zip
         7z x zlib_src.zip -y -o"dependencies_src"
-        ren .\dependencies_src\zlib-1.3.1 zlib || goto :error
+        ren .\dependencies_src\zlib-1.3.2 zlib || goto :error
         cmake ./dependencies_src/zlib -Bbuild_dependencies/zlib -DCMAKE_INSTALL_PREFIX="dependencies_bin" || goto :error
         cmake --build build_dependencies/zlib --config Release --target=install || goto :error
-        curl -fsSL -o expat_src.zip https://github.com/libexpat/libexpat/archive/R_2_6_2.zip
         echo ::endgroup::
         echo ::group::===== AOM for libavif AVI decoding support =====
-        git clone -q -b v3.12.0 --depth 1 https://aomedia.googlesource.com/aom dependencies_src/aom
+        git clone -q -b v3.13.1 --depth 1 https://aomedia.googlesource.com/aom dependencies_src/aom
         cmake ./dependencies_src/aom -Bbuild_dependencies/aom -DCMAKE_INSTALL_PREFIX="dependencies_bin" -DENABLE_DOCS=OFF -DBUILD_SHARED_LIBS=ON -DAOM_TARGET_CPU=generic -DENABLE_TESTS=OFF -DENABLE_TESTDATA=OFF -DENABLE_TOOLS=OFF -DENABLE_EXAMPLES=0 || goto :error
         cmake --build build_dependencies/aom --config Release --target=install || goto :error
         echo ::endgroup::
         echo ::group::===== libavif =====
-        curl -fsSL -o libavif-v1_2_1.zip https://github.com/AOMediaCodec/libavif/archive/v1.2.1.zip
-        7z x libavif-v1_2_1.zip -y -o"dependencies_src"
-        ren .\dependencies_src\libavif-1.2.1 libavif || goto :error
-        cmake ./dependencies_src/libavif -Bbuild_dependencies/libavif -DCMAKE_INSTALL_PREFIX="dependencies_bin" -DAVIF_CODEC_AOM=ON -DAVIF_LIBYUV=LOCAL
+        curl -fsSL -o libavif-v1_3_0.zip https://github.com/AOMediaCodec/libavif/archive/v1.3.0.zip
+        7z x libavif-v1_3_0.zip -y -o"dependencies_src"
+        ren .\dependencies_src\libavif-1.3.0 libavif || goto :error
+        cmake ./dependencies_src/libavif -Bbuild_dependencies/libavif -DCMAKE_INSTALL_PREFIX="dependencies_bin" -DAVIF_CODEC_AOM=SYSTEM -DAVIF_CODEC_AOM_DECODE=ON -DAVIF_CODEC_AOM_ENCODE=ON -DAVIF_LIBYUV=LOCAL
         cmake --build build_dependencies/libavif --config Release --target=install || goto :error
         echo ::endgroup::
         echo ::group::===== expat =====
+        curl -fsSL -o expat_src.zip https://github.com/libexpat/libexpat/archive/R_2_7_3.zip
         7z x expat_src.zip -y -o"dependencies_src"
-        ren .\dependencies_src\libexpat-R_2_6_2 expat || goto :error
+        ren .\dependencies_src\libexpat-R_2_7_3 expat || goto :error
         cmake ./dependencies_src/expat/expat -Bbuild_dependencies/expat -DCMAKE_INSTALL_PREFIX="dependencies_bin" || goto :error
         cmake --build build_dependencies/expat --config Release --target=install || goto :error
         echo ::endgroup::
@@ -109,25 +82,27 @@ jobs:
         echo ::endgroup::
         echo ::group::===== KArchive =====
         git clone -q https://invent.kde.org/frameworks/karchive.git dependencies_src/karchive
-        cmake .\dependencies_src\karchive -Bbuild_dependencies/karchive -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DCMAKE_INSTALL_PREFIX="dependencies_bin" || goto :error
+        cmake .\dependencies_src\karchive -Bbuild_dependencies/karchive -DBUILD_TESTING=OFF -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DCMAKE_INSTALL_PREFIX="dependencies_bin" || goto :error
         cmake --build build_dependencies/karchive --config Release --target=install || goto :error
         echo ::endgroup::
         echo ::group::===== KImageFormats =====
         git clone -q https://invent.kde.org/frameworks/kimageformats.git dependencies_src/kimageformats
-        cmake .\dependencies_src\kimageformats -Bbuild_dependencies/kimageformats -DKDE_INSTALL_QTPLUGINDIR=%QT_ROOT_DIR%\plugins || goto :error
+        cmake .\dependencies_src\kimageformats -Bbuild_dependencies/kimageformats -DBUILD_TESTING=OFF -DKDE_INSTALL_QTPLUGINDIR=%QT_ROOT_DIR%\plugins || goto :error
         cmake --build build_dependencies/kimageformats --config Release --target=install || goto :error
         echo ::endgroup::
         :: ------ app ------
-        cmake -Bbuild . -DCMAKE_INSTALL_PREFIX="%PWD%\build\"
+        echo ::group::===== App (Build'n'Install) =====
+        cmake -Bbuild .
         cmake --build build --config Release
-        cmake --build build --config Release --target=install
+        cmake --install build --config Release --prefix "%PWD%\build"
+        echo ::endgroup::
         :: ------ pkg ------
-        windeployqt --verbose=2 --no-quick-import --no-translations --no-opengl-sw --no-system-d3d-compiler --no-system-dxc-compiler --skip-plugin-types tls,networkinformation build\bin\ppic.exe
+        windeployqt --verbose=2 --no-compiler-runtime --no-quick-import --no-translations --no-network --no-opengl-sw --no-system-d3d-compiler --no-system-dxc-compiler --skip-plugin-types tls,networkinformation build\bin\ppic.exe
         robocopy ./dependencies_bin/bin build/bin *.dll
         if ErrorLevel 8 (exit /B 1)
         copy LICENSE build\bin
         exit /B 0
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: "windows-msvc${{ matrix.vs }}-qt${{ matrix.qt_ver }}-cmake-package"
         path: build/bin/*

.gitignore

@@ -11,6 +11,12 @@
 
 # Generic Build Dir
 [Bb]uild/
+cmake-build-*/
 
 # IDE/Editor config folders
 .vscode/
+.idea/
+.qtcreator/
+
+# Clangd cache
+.cache/

CMakeLists.txt

@@ -4,41 +4,29 @@
 
 cmake_minimum_required(VERSION 3.16)
 
-project(pineapple-pictures VERSION 1.0.0) # don't forget to update NEWS file and AppStream metadata.
+project(pineapple-pictures VERSION 1.6.0) # don't forget to update NEWS file and AppStream metadata.
 
 include(GNUInstallDirs)
 include(FeatureSummary)
 
 option (EXIV2_METADATA_SUPPORT "Better image metadata support via libexiv2" ON)
-option (PREFER_QT_5 "Prefer to use Qt 5" OFF)
 option (TRANSLATION_RESOURCE_EMBEDDING "Embedding .qm translation files inside resource" OFF)
 
 set (CMAKE_CXX_STANDARD 17)
 set (CMAKE_CXX_STANDARD_REQUIRED ON)
 set (CMAKE_AUTOMOC ON)
 set (CMAKE_AUTORCC ON)
+set (CMAKE_AUTOUIC ON)
 
-if (PREFER_QT_5)
-    find_package(QT NAMES Qt5 REQUIRED COMPONENTS Core)
-else ()
-    find_package(QT NAMES Qt6 REQUIRED COMPONENTS Core)
-endif ()
+find_package(QT NAMES Qt6 REQUIRED COMPONENTS Core)
 
-if (${QT_VERSION_MAJOR} EQUAL "5")
-    set (QT_MINIMUM_VERSION "5.15.2")
-else ()
-    set (QT_MINIMUM_VERSION "6.4")
-endif ()
+set (QT_MINIMUM_VERSION "6.5")
 
 find_package(Qt${QT_VERSION_MAJOR} ${QT_MINIMUM_VERSION} REQUIRED
-    COMPONENTS Widgets Svg LinguistTools
+    COMPONENTS Widgets Svg SvgWidgets LinguistTools
     OPTIONAL_COMPONENTS DBus
 )
 
-if (${QT_VERSION_MAJOR} EQUAL "6")
-    find_package(Qt${QT_DEFAULT_MAJOR_VERSION} ${QT_MINIMUM_VERSION} CONFIG REQUIRED SvgWidgets)
-endif ()
-
 if (EXIV2_METADATA_SUPPORT)
     find_package(exiv2)
     set_package_properties(exiv2 PROPERTIES
@@ -51,15 +39,12 @@ endif ()
 
 set (PPIC_CPP_FILES
     app/main.cpp
-    app/framelesswindow.cpp
     app/mainwindow.cpp
     app/actionmanager.cpp
     app/graphicsview.cpp
     app/graphicsscene.cpp
     app/bottombuttongroup.cpp
     app/navigatorview.cpp
-    app/opacityhelper.cpp
-    app/toolbutton.cpp
     app/settings.cpp
     app/settingsdialog.cpp
     app/aboutdialog.cpp
@@ -67,20 +52,19 @@ set (PPIC_CPP_FILES
     app/metadatadialog.cpp
     app/exiv2wrapper.cpp
     app/playlistmanager.cpp
-    app/shortcutedit.cpp
     app/fileopeneventhandler.cpp
+    app/playlistscout.cpp
+    app/playlistscouts/qtscout.cpp
+    app/playlistscouts/explorerscout.cpp
 )
 
 set (PPIC_HEADER_FILES
-    app/framelesswindow.h
     app/mainwindow.h
     app/actionmanager.h
     app/graphicsview.h
     app/graphicsscene.h
     app/bottombuttongroup.h
     app/navigatorview.h
-    app/opacityhelper.h
-    app/toolbutton.h
     app/settings.h
     app/settingsdialog.h
     app/aboutdialog.h
@@ -88,8 +72,17 @@ set (PPIC_HEADER_FILES
     app/metadatadialog.h
     app/exiv2wrapper.h
     app/playlistmanager.h
-    app/shortcutedit.h
     app/fileopeneventhandler.h
+    app/playlistscout.h
+    app/playlistscouts/qtscout.h
+    app/playlistscouts/explorerscout.h
+)
+
+set (PPIC_UI_FILES
+    app/settingsdialog.ui
+    app/aboutdialog.ui
+    app/metadatadialog.ui
+    app/mainwindow.ui
 )
 
 set (PPIC_QRC_FILES
@@ -103,46 +96,64 @@ set (PPIC_RC_FILES
 set (EXE_NAME ppic)
 
 # Translation
-file (GLOB PPIC_TS_FILES app/translations/*.ts)
+file (GLOB PPIC_TS_FILES locales/app/*.ts)
 set (PPIC_CPP_FILES_FOR_I18N ${PPIC_CPP_FILES})
 
+find_program (UV_EXECUTABLE uv)
+if (NOT UV_EXECUTABLE)
+    message (FATAL_ERROR "uv is required to run the metaglot tool, install it from https://docs.astral.sh/uv/")
+endif ()
+
 if (WIN32)
-    list(APPEND PPIC_RC_FILES assets/pineapple-pictures.rc)
+    set (PPIC_RC_TEMPLATE_FILE ${CMAKE_CURRENT_BINARY_DIR}/pineapple-pictures.rc.in)
+    execute_process (
+        COMMAND ${UV_EXECUTABLE} tool run metaglot render rc
+                --manifest ${CMAKE_SOURCE_DIR}/dist/pineapple-pictures.rc.in.toml
+                --po ${CMAKE_SOURCE_DIR}/locales/winrc/*.po
+                --template ${CMAKE_SOURCE_DIR}/dist/pineapple-pictures.rc.in.liquid
+                --output ${PPIC_RC_TEMPLATE_FILE}
+        RESULT_VARIABLE METAGLOT_RESULT
+    )
+    if (NOT METAGLOT_RESULT EQUAL 0)
+        message (FATAL_ERROR "Failed to generate Windows RC file template via MetaGlot (exit code: ${METAGLOT_RESULT}).")
+    endif ()
+
+    configure_file (${PPIC_RC_TEMPLATE_FILE} ${CMAKE_CURRENT_BINARY_DIR}/pineapple-pictures.rc @ONLY)
+    list (APPEND PPIC_RC_FILES ${CMAKE_CURRENT_BINARY_DIR}/pineapple-pictures.rc)
 endif ()
 
 add_executable (${EXE_NAME}
     ${PPIC_HEADER_FILES}
     ${PPIC_CPP_FILES}
+    ${PPIC_UI_FILES}
     ${PPIC_QRC_FILES}
     ${PPIC_RC_FILES}
 )
 
-if (${QT_VERSION_MAJOR} EQUAL "6")
-    set(ADD_TRANSLATIONS_ADDITIONAL_ARGS)
+set(ADD_TRANSLATIONS_ADDITIONAL_ARGS)
 
-    if (Qt6_VERSION VERSION_GREATER_EQUAL "6.9.0")
-        set(ADD_TRANSLATIONS_ADDITIONAL_ARGS MERGE_QT_TRANSLATIONS)
-    endif()
-
-    if (TRANSLATION_RESOURCE_EMBEDDING)
-        qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES})
-    else()
-        qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES} QM_FILES_OUTPUT_VARIABLE PPIC_QM_FILES)
-    endif()
-else()
-    qt_create_translation(PPIC_QM_FILES ${PPIC_CPP_FILES_FOR_I18N} ${PPIC_TS_FILES})
+if (Qt6_VERSION VERSION_GREATER_EQUAL "6.9.0")
+    set(ADD_TRANSLATIONS_ADDITIONAL_ARGS MERGE_QT_TRANSLATIONS)
 endif()
 
+if (TRANSLATION_RESOURCE_EMBEDDING)
+    qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES})
+else()
+    qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES} QM_FILES_OUTPUT_VARIABLE PPIC_QM_FILES)
+endif()
+
+# YYC MARK:
+# This is essential, otherwise Qt UIC generated UI header file
+# can not find our header files if there are custom widgets inside UI file.
+target_include_directories(${EXE_NAME} PRIVATE app/)
+
 target_sources(${EXE_NAME} PRIVATE ${PPIC_QM_FILES})
 
-target_link_libraries (${EXE_NAME} Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::Svg)
-if (${QT_VERSION_MAJOR} EQUAL "6")
-    target_link_libraries (${EXE_NAME} Qt::SvgWidgets)
-endif ()
+target_link_libraries (${EXE_NAME} Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::Svg Qt${QT_VERSION_MAJOR}::SvgWidgets)
 
 if (exiv2_FOUND)
     if(NOT TARGET Exiv2::exiv2lib AND TARGET exiv2lib)
-        # for exiv2 0.27.x
+        # for exiv2 0.27.x and (macOS?) conan build
         add_library(Exiv2::exiv2lib ALIAS exiv2lib)
     endif()
     target_link_libraries (${EXE_NAME}
@@ -153,7 +164,7 @@ if (exiv2_FOUND)
     )
 endif ()
 
-if (TARGET Qt5::DBus OR TARGET Qt6::DBus)
+if (TARGET Qt6::DBus)
     target_link_libraries (${EXE_NAME}
         Qt${QT_VERSION_MAJOR}::DBus
     )
@@ -218,17 +229,17 @@ if (WIN32)
         WIN32_EXECUTABLE TRUE
     )
 elseif (APPLE)
-    set_source_files_properties(assets/icons/app-icon.icns PROPERTIES
+    set_source_files_properties(dist/sarasacw-picture.icns PROPERTIES
         MACOSX_PACKAGE_LOCATION "Resources"
     )
-    target_sources(${EXE_NAME} PUBLIC assets/icons/app-icon.icns)
+    target_sources(${EXE_NAME} PUBLIC dist/sarasacw-picture.icns)
     # See https://cmake.org/cmake/help/v3.15/prop_tgt/MACOSX_BUNDLE_INFO_PLIST.html
     set_target_properties(${EXE_NAME} PROPERTIES
         MACOSX_BUNDLE TRUE
         MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/dist/MacOSXBundleInfo.plist.in
         MACOSX_BUNDLE_BUNDLE_NAME "Pineapple Pictures"
         MACOSX_BUNDLE_GUI_IDENTIFIER net.blumia.pineapple-pictures
-        MACOSX_BUNDLE_ICON_FILE app-icon.icns # contains the .icns file name, *without* the path.
+        MACOSX_BUNDLE_ICON_FILE sarasacw-picture.icns # contains the .icns file name, *without* the path.
         MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
         MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
     )
@@ -239,20 +250,45 @@ elseif (UNIX)
 
     # install icon
     install (
-        FILES assets/icons/app-icon.svg
-        DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps"
-        RENAME net.blumia.pineapple-pictures.svg
+        DIRECTORY dist/freedesktop-icons/
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor"
     )
 
-    # install shortcut
+    # generate and install desktop entry file
+    set (PPIC_DESKTOP_FILE ${CMAKE_CURRENT_BINARY_DIR}/net.blumia.pineapple-pictures.desktop)
+    execute_process (
+        COMMAND ${UV_EXECUTABLE} tool run metaglot render desktop
+                --manifest ${CMAKE_SOURCE_DIR}/dist/net.blumia.pineapple-pictures.desktop.toml
+                --po ${CMAKE_SOURCE_DIR}/locales/desktop/*.po
+                --template ${CMAKE_SOURCE_DIR}/dist/net.blumia.pineapple-pictures.desktop.liquid
+                --output ${PPIC_DESKTOP_FILE}
+        RESULT_VARIABLE METAGLOT_DESKTOP_RESULT
+    )
+    if (NOT METAGLOT_DESKTOP_RESULT EQUAL 0)
+        message (FATAL_ERROR "Failed to generate .desktop via MetaGlot (exit code: ${METAGLOT_DESKTOP_RESULT}).")
+    endif ()
+
     install (
-        FILES dist/net.blumia.pineapple-pictures.desktop
+        FILES ${PPIC_DESKTOP_FILE}
         DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/applications"
     )
 
-    # install app metadata file for appstream (and some other stuff using this metadata like snapcraft)
+    # generate and install app metadata file for appstream (and some other stuff using this metadata like snapcraft)
+    set (PPIC_METAINFO_FILE ${CMAKE_CURRENT_BINARY_DIR}/net.blumia.pineapple-pictures.metainfo.xml)
+    execute_process (
+        COMMAND ${UV_EXECUTABLE} tool run metaglot render appstream
+                --manifest ${CMAKE_SOURCE_DIR}/dist/net.blumia.pineapple-pictures.metainfo.xml.toml
+                --po ${CMAKE_SOURCE_DIR}/locales/appstream/*.po
+                --template ${CMAKE_SOURCE_DIR}/dist/net.blumia.pineapple-pictures.metainfo.xml.liquid
+                --output ${PPIC_METAINFO_FILE}
+        RESULT_VARIABLE METAGLOT_METAINFO_RESULT
+    )
+    if (NOT METAGLOT_METAINFO_RESULT EQUAL 0)
+        message (FATAL_ERROR "Failed to generate .metainfo.xml via MetaGlot (exit code: ${METAGLOT_METAINFO_RESULT}).")
+    endif ()
+
     install (
-        FILES dist/appstream/net.blumia.pineapple-pictures.metainfo.xml
+        FILES ${PPIC_METAINFO_FILE}
         DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/metainfo"
     )
 endif()
@@ -288,7 +324,6 @@ if (DEFINED QM_FILE_INSTALL_DIR)
         DESTINATION ${QM_FILE_INSTALL_DIR}
     )
 endif()
-
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
 # CPACK: General Settings
@@ -304,7 +339,7 @@ elseif (APPLE)
 elseif (UNIX)
     set (CPACK_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
     set (CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
-    set (CPACK_DEBIAN_PACKAGE_RECOMMENDS "kimageformat-plugins")
+    set (CPACK_DEBIAN_PACKAGE_RECOMMENDS "kimageformat6-plugins")
 endif()
 
 include(CPack)

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 BLumia
+Copyright (c) 2026 BLumia
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

NEWS

@@ -1,13 +1,160 @@
+Version 1.6.0
+~~~~~~~~~~~~~
+Released: 2026-08-22
+
+Features:
+ * Allow dragging window from titlebar to move window when maximized
+ * Add an option to show/hide bird-eye view
+
+Bugfixes:
+ * Maximize the window when the image size matches the screen size
+ * Fix window might stuck when drag move on some ill-formed window manager
+ * Make titlebar respect RTL layout
+
+Miscellaneous:
+ * Update translations
+ * Update Qt version to 6.11.2 for Windows and macOS pre-built binaries
+
+Contributors:
+ Tech-Tac, Heimen Stoffels (vistaus), VenusGirl, Oğuz Ersen
+
+Version 1.5.0
+~~~~~~~~~~~~~
+Released: 2026-07-04
+
+Features:
+ * Introduced an optional titlebar that display file name and allows drag and double-click to move and toggle maximize state
+ * Windows: Now the application will use the system's built-in animation for open window animation
+
+Bugfixes:
+ * Show empty url list should also reset window title to blank
+
+Miscellaneous:
+ * Update translations
+ * Add vcs-browser link to AppStream metadata
+
+Contributors:
+ Heimen Stoffels (vistaus), VenusGirl (VenusGirl)
+
+Version 1.4.1
+~~~~~~~~~~~~~
+Released: 2026-04-05
+
+Miscellaneous:
+ * Update translations
+ * Update Qt version to 6.10.3 for Windows and macOS pre-built binaries
+
+Contributors:
+ Heimen Stoffels (vistaus), Loc Huynh (hthienloc)
+
+Version 1.4.0
+~~~~~~~~~~~~~
+Released: 2026-02-11
+
+Features:
+ * Action to save image as new file with different format
+ * Add Vietnamese and Slovenian translation
+
+Miscellaneous:
+ * Update copyright year to 2026
+ * Update translations
+ * Update Qt version to 6.10.2 for Windows and macOS pre-built binaries
+
+Contributors:
+ Loc Huynh, Sabri Ünal, VenusGirl, Andrej Poženel, Andrey
+
+Version 1.3.0
+~~~~~~~~~~~~~
+Released: 2025-12-20
+
+Features:
+ * New option to limit SVG support to SVG Tiny 1.2 standard
+ * Windows: ship tools and configurations that help user associate image files to this program
+
+Bugfixes:
+ * Fix window not appear at the screen that the mouse cursor is at
+ * Fix Windows prebuilt binary having AVIF plugin included but not actually support it
+
+Miscellaneous:
+ * CPack DEB: will now recommend "kimageformat6-plugins" instead of the KF5 version
+ * Update translations
+ * Update exiv2 version for Windows binary build
+
+Contributors:
+ VenusGirl, Andrey
+
+Version 1.2.1
+~~~~~~~~~~~~~
+Released: 2025-11-22
+
+Bugfixes:
+ * Fix incorrect color when display some CMYK images.
+
+Miscellaneous:
+ * Now use Qt 6.10.1 for pre-built binary
+ * Update README description and AppStream metainfo
+ * Update translations
+ * Update libavif, AOM and expat version for Windows binary build
+
+Contributors:
+ albanobattistella
+
+Version 1.2.0
+~~~~~~~~~~~~~
+Released: 2025-09-21
+
+Features:
+ * Long image mode that detect extra wide image and auto fit by its thin side
+ * Windows: Add product version to binary metadata / resource file
+
+Miscellaneous:
+ * Update translations
+ * Update libavif version for Windows binary build
+
+Contributors:
+ Heimen Stoffels, albanobattistella, Sabri Ünal
+
+Version 1.1.1
+~~~~~~~~~~~~~
+Released: 2025-08-02
+
+Features:
+ * Click dock icon should show window when it's hidden on macOS
+
+Bugfixes:
+ * Ensure "Fit by Width" position the view to the beginning of the image
+
+Miscellaneous:
+ * Update translations
+ * Update Exiv2 version for Windows binary build
+
+Contributors:
+ Heimen Stoffels, VenusGirl, தமிழ்நேரம்
+
+Version 1.1.0
+~~~~~~~~~~~~~
+Released: 2025-07-06
+
+Features:
+ * New option to disable built-in close window animation
+ * New option to disable gallery looping
+ * Support load m3u8 as image gallery playlist
+
+Miscellaneous:
+ * Drop Qt 5 support
+
+Contributors:
+ Heimen Stoffels, albanobattistella, தமிழ்நேரம்
+
 Version 1.0.0
 ~~~~~~~~~~~~~
 Released: 2025-05-03
 
 Features:
- * Support enforce windowed mode on start-up
+ * Support enforces windowed mode on start-up
  * Reload image automatically when current image gets updated
 
 Bugfixes:
- * Refer to the right exiv2 CMake module so it can be found on Linux
  * Display correct text language on macOS
 
 Miscellaneous:
@@ -152,4 +299,3 @@ Bugfixes:
 
 Contributors:
  yyc12345
-

README.md

@@ -1,4 +1,17 @@
-Yet another image viewer.
+# Sarasas Chip Workshop Picture
+
+Yet another legacy Windows Photo Viewer with cross-platform support.
+
+> [!IMPORTANT]
+> SarasaCW Picture are still in refactoring. Please do not use it until this message removes.
+
+## Summary
+
+Sarasas Chip Workshop Picture (abbr. SarasaCW Picture) is a lightweight image viewer that has cross-platform support and similar user interface about legacy Windows Photo Viewer. It allows you view JPEG, PNG, GIF, SVG, PSD, KRA, XCF, TGA, HDR, AVIF and some other frequently used image formats files quickly and easily without changing your long-term Windows usage experience.
+
+SarasaCW Picture is the **hard fork** of [Pineapple Pictures](https://github.com/BLumia/pineapple-pictures) since Pineapple Pictures 1.4.1 version.
+
+<!--
 
 |CI|Build Status|
 |---|---|
@@ -8,10 +21,6 @@ Yet another image viewer.
 
 ![Pineapple Pictures - Main Window](https://repository-images.githubusercontent.com/211888654/e8697600-e370-11eb-9b2a-b71e05262954)
 
-## Summary
-
-Pineapple Pictures is a lightweight image viewer that allows you view JPEG, PNG, GIF, SVG, PSD, KRA, XCF, TGA, HDR, AVIF and some other frequently used image formats files quickly and easily, and also provide a Stay-on-Top window setting that allows you pin the window so you can use it to pin a reference image at the top and then you can work with other software.
-
 ## Get it!
 
 ### Maintained by the original author
@@ -23,13 +32,22 @@ Pineapple Pictures is a lightweight image viewer that allows you view JPEG, PNG,
 
 ### Maintained by contributors / certain distro's package maintainers
 
-- Debian (since bullseye) or Ubuntu (since 21.04): `sudo apt install pineapple-pictures`
-- Nix / NixOS: [pineapple-pictures](https://search.nixos.org/packages?channel=unstable&show=pineapple-pictures&from=0&size=50&sort=relevance&type=packages&query=pineapple-pictures) (maintained by @wineee)
+[![Packaging status](https://repology.org/badge/vertical-allrepos/pineapple-pictures.svg?columns=4)](https://repology.org/project/pineapple-pictures/versions)
 
-## Help Translation!
+## Contribution
+
+Beside feedback and code contribution, other contributions are also welcome!
+
+### Help Translation!
 
 [Translate this project on Weblate!](https://hosted.weblate.org/projects/pineapple-pictures/)
 
+### Funding
+
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/blumia)
+
+[![Afdian](https://static.afdiancdn.com/static/img/logo/logo.png)Afdian](https://afdian.com/a/BLumia)
+
 ## Build it manually:
 
 Current state, we need:
@@ -62,3 +80,5 @@ It's possible to build it under Windows, Linux, macOS, and maybe other desktop p
 ## License
 
 Pineapple Pictures as a whole is licensed under MIT license. Individual files may have a different, but compatible license.
+
+-->

README.zh_CN.md

@@ -1,3 +1,18 @@
+# Sarasas Chip Workshop 照片查看器
+
+简单轻量的、具有跨平台支持的、经典样式的 Windows 照片查看器。
+
+> [!IMPORTANT]
+> SarasaCW 照片查看器还在重构中。在这条信息被移除之前请不要使用它。
+
+## 简介
+
+Sarasas Chip Workshop 照片查看器（简称 SarasaCW 照片查看器）是一个轻量级的图片查看器。支持跨平台。界面风格类似于经典的 Windows 照片查看器。它可以让你快速轻松地浏览 JPEG、PNG、GIF、SVG、PSD、KRA、XCF、TGA、HDR、AVIF 以及其他一些常用的图片格式，且无需改变你长期的 Windows 使用习惯。
+
+SarasaCW 照片查看器是[菠萝看图](https://github.com/BLumia/pineapple-pictures)的**硬分叉**，该分叉自菠萝看图 1.4.1 版本开始。
+
+<!--
+
 简单轻量的跨平台看图工具。
 
 |CI|构建状态|
@@ -8,15 +23,11 @@
 
 ![Pineapple Pictures - Main Window](https://repository-images.githubusercontent.com/211888654/e8697600-e370-11eb-9b2a-b71e05262954)
 
-## 简介
-
-菠萝看图是一个轻量图像查看器，允许你简单快捷的查看 JPEG, PNG, GIF, SVG, PSD, KRA, XCF, TGA, HDR, AVIF 等常用格式的图像文件，并提供了置顶窗口的选项以便你在使用其它软件时也可以将参考图片固定在顶端。
-
 ## 立即获取!
 
 ### 由原作者维护
 
-- [GitHub Release 页面](https://github.com/BLumia/pineapple-pictures/releases) | [gitee 发布页面](https://gitee.com/blumia/pineapple-pictures/releases)
+- [GitHub Release 页面](https://github.com/BLumia/pineapple-pictures/releases)
 - [SourceForge](https://sourceforge.net/projects/pineapple-pictures/)
 - Archlinux AUR: [pineapple-pictures](https://aur.archlinux.org/packages/pineapple-pictures/) | [pineapple-pictures-git](https://aur.archlinux.org/packages/pineapple-pictures-git/)
 - [Itch.io 商店](https://blumia.itch.io/pineapple-pictures)
@@ -24,13 +35,22 @@
 
 ### 由贡献者/对应发行版的打包人员维护
 
-- Debian (自 bullseye 起) 或 Ubuntu (自 21.04 起): `sudo apt install pineapple-pictures`
-- Nix / NixOS: [pineapple-pictures](https://search.nixos.org/packages?channel=unstable&show=pineapple-pictures&from=0&size=50&sort=relevance&type=packages&query=pineapple-pictures) (由 [@wineee](https://github.com/wineee) 维护)
+[![打包状态](https://repology.org/badge/vertical-allrepos/pineapple-pictures.svg?columns=4)](https://repology.org/project/pineapple-pictures/versions)
 
-## 帮助翻译!
+## 参与贡献
+
+除了参与反馈和代码贡献外，也欢迎各种类型的贡献！
+
+### 帮助翻译!
 
 [在 Weblate 上帮助此项目翻译到更多语言!](https://hosted.weblate.org/projects/pineapple-pictures/)
 
+### 打赏
+
+[![Afdian](https://static.afdiancdn.com/static/img/logo/logo.png)Afdian | 爱发电](https://afdian.com/a/BLumia)
+
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/blumia)
+
 ## 手动构建步骤:
 
 当前状态，我们需要先确保如下依赖可用:
@@ -63,3 +83,5 @@ $ cmake --build . # 如果你使用 Makefile 作为 CMake 生成器，也可以
 ## 许可协议
 
 菠萝看图整体使用 MIT 协议进行发布。项目所随的部分源文件可能具备不同但与之兼容的许可协议。
+
+-->

REUSE.toml

@@ -3,23 +3,29 @@ SPDX-PackageName = "Pineapple Pictures"
 SPDX-PackageDownloadLocation = "https://github.com/BLumia/pineapple-pictures"
 
 [[annotations]]
-path = [".gitignore", "appveyor.yml", ".github/**"]
+path = [".gitattributes", ".git-blame-ignore-revs", ".gitignore", "appveyor.yml", ".github/**"]
 precedence = "aggregate"
 SPDX-FileCopyrightText = "None"
 SPDX-License-Identifier = "CC0-1.0"
 
 [[annotations]]
-path = ["README**.md", "NEWS", "assets/**.rc", "assets/**.qrc", "dist/**"]
+path = ["README**.md", "NEWS", "assets/**.rc.in", "assets/**.qrc", "dist/appstream/**", "dist/**.in", "dist/**.desktop", "dist/**.rc.in.toml", "dist/**.rc.in.liquid"]
 precedence = "aggregate"
 SPDX-FileCopyrightText = "None"
 SPDX-License-Identifier = "CC0-1.0"
 
 [[annotations]]
-path = ["app/translations/**.ts", "assets/plain/translators.html"]
+path = ["locales/app/**.ts", "locales/winrc/**", "assets/plain/translators.html"]
 precedence = "aggregate"
 SPDX-FileCopyrightText = "Translators from hosted.weblate.org"
 SPDX-License-Identifier = "MIT"
 
+[[annotations]]
+path = "tool/**"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2026 yyc12345"
+SPDX-License-Identifier = "MIT"
+
 [[annotations]]
 path = "assets/icons/**.svg"
 precedence = "aggregate"

app/aboutdialog.cpp

@@ -1,176 +1,96 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
 //
 // SPDX-License-Identifier: MIT
 
 #include "aboutdialog.h"
+#include "ui_aboutdialog.h"
 
-#include <QAbstractButton>
-#include <QDialogButtonBox>
-#include <QTextBrowser>
-#include <QTabWidget>
-#include <QVBoxLayout>
 #include <QApplication>
-#include <QLabel>
-#include <QPushButton>
 #include <QFile>
 
+using namespace Qt::Literals::StringLiterals;
+
+static QString loadEmbeddedHtml(QString&& path) {
+    QFile htmlFile(path);
+    bool canOpenFile = htmlFile.open(QIODevice::ReadOnly);
+    QByteArray htmlRawContent = canOpenFile ? htmlFile.readAll() : QByteArrayLiteral("");
+    return QString::fromUtf8(htmlRawContent);
+}
+
 AboutDialog::AboutDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_tabWidget(new QTabWidget)
-    , m_buttonBox(new QDialogButtonBox)
-    , m_helpTextEdit(new QTextBrowser)
-    , m_aboutTextEdit(new QTextBrowser)
-    , m_specialThanksTextEdit(new QTextBrowser)
-    , m_licenseTextEdit(new QTextBrowser)
-    , m_3rdPartyLibsTextEdit(new QTextBrowser)
+    : QDialog(parent), ui(new QT_PREPEND_NAMESPACE(Ui::AboutDialog))
 {
-    this->setWindowTitle(tr("About"));
+    ui->setupUi(this);
+    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
 
-    const QStringList helpStr {
-        QStringLiteral("<p>%1</p>").arg(tr("Launch application with image file path as argument to load the file.")),
-        QStringLiteral("<p>%1</p>").arg(tr("Drag and drop image file onto the window is also supported.")),
-        QStringLiteral("<p>%1</p>").arg(tr("None of the operations in this application will alter the pictures on disk.")),
-        QStringLiteral("<p>%1</p>").arg(tr("Context menu option explanation:")),
-        QStringLiteral("<ul>"),
-        // blumia: Chain two arg() here since it seems lupdate will remove one of them if we use
-        //         the old `arg(QCoreApp::translate(), tr())` way, but it's worth to mention
-        //         `arg(QCoreApp::translate(), this->tr())` works, but lupdate will complain about the usage.
-        QStringLiteral("<li><b>%1</b>:<br/>%2</li>")
-                .arg(QCoreApplication::translate("MainWindow", "Stay on top"))
-                .arg(tr("Make window stay on top of all other windows.")),
-        QStringLiteral("<li><b>%1</b>:<br/>%2</li>")
-                .arg(QCoreApplication::translate("MainWindow", "Protected mode"))
-                .arg(tr("Avoid close window accidentally. (eg. by double clicking the window)")),
-        QStringLiteral("<li><b>%1</b>:<br/>%2</li>")
-                .arg(QCoreApplication::translate("MainWindow", "Keep transformation", "The 'transformation' means the flip/rotation status that currently applied to the image view"))
-                .arg(tr("Avoid resetting the zoom/rotation/flip state that was applied to the image view when switching between images.")),
-        QStringLiteral("</ul>")
-    };
+    // blumia: Chain two arg() here since it seems lupdate will remove one of them if we use
+    //         the old `arg(QCoreApp::translate(), tr())` way, but it's worth to mention
+    //         `arg(QCoreApp::translate(), this->tr())` works, but lupdate will complain about the usage.
+    const QString HELP_HTML = loadEmbeddedHtml(u":/htmls/help.html"_s)
+        .arg(tr("General Help"))
+        .arg(tr("Launch application with image file path as argument to load the file."))
+        .arg(tr("Passing in a single image file will load all the images in that directory and start viewing from that image."))
+        .arg(tr("Passing in multiple image files lets you view them one by one."))
+        .arg(tr("Drag and drop image file onto the window is also supported."))
+        .arg(tr("None of the operations in this application will alter the pictures on disk."))
+        .arg(tr("Context Menu Help"))
+        .arg(tr("Keep transformation", "The same meaning of MainWindow's Keep transformation."))
+        .arg(tr("Avoid resetting the zoom/rotation/flip state that was applied to the image view when switching between images."))
+        .arg(tr("Checkerboard", "The same meaning of MainWindow's Checkerboard."))
+        .arg(tr("Checkerboard light and dark theme can be adjusted in the configuration window, or easily switch it by holding Shift and clicking the button."));
 
-    const QStringList aboutStr {
-        QStringLiteral("<center><img width='128' height='128' src=':/icons/app-icon.svg'/><br/>"),
-        qApp->applicationDisplayName(),
-        (QStringLiteral("<br/>") + tr("Version: %1").arg(
+    const QString APP_NAME_ARG = qApp->applicationDisplayName();
+    const QString APP_VERSION_ARG =
 #ifdef GIT_DESCRIBE_VERSION_STRING
-            GIT_DESCRIBE_VERSION_STRING
+        GIT_DESCRIBE_VERSION_STRING;
 #else
-            qApp->applicationVersion()
+        qApp->applicationVersion();
 #endif // GIT_DESCRIBE_VERSION_STRING
-        )),
-        QStringLiteral("<hr/>"),
-        tr("Copyright (c) %1 %2", "%1 is year, %2 is the name of copyright holder(s)")
-            .arg(QStringLiteral("2025"), QStringLiteral("<a href='https://github.com/BLumia'>@BLumia</a>")),
-        QStringLiteral("<br/>"),
-        tr("Logo designed by %1").arg(QStringLiteral("<a href='https://github.com/Lovelyblack'>@Lovelyblack</a>")),
-        QStringLiteral("<hr/>"),
-        tr("Built with Qt %1 (%2)").arg(QT_VERSION_STR, QSysInfo::buildCpuArchitecture()),
-        QStringLiteral("<br/><a href='%1'>%2</a>").arg("https://github.com/BLumia/pineapple-pictures", tr("Source code")),
-        QStringLiteral("</center>")
-    };
+    const QString QT_VERSION_ARG = QT_VERSION_STR;
+    const QString QT_ARCH_ARG = QSysInfo::buildCpuArchitecture();
+    const QString ABOUT_HTML = loadEmbeddedHtml(u":/htmls/about.html"_s)
+        .arg(APP_NAME_ARG)
+        .arg(tr("Version: %1").arg(APP_VERSION_ARG))
+        .arg(tr("Upstream author"))
+        .arg(tr("Hard fork author"))
+        .arg(tr("Logo designer"))
+        .arg(tr("Built with Qt %1 (%2)").arg(QT_VERSION_ARG).arg(QT_ARCH_ARG))
+        .arg(tr("Source code"));
 
-    QFile translaterHtml(":/plain/translators.html");
-    bool canOpenFile = translaterHtml.open(QIODevice::ReadOnly);
-    const QByteArray & translatorList = canOpenFile ? translaterHtml.readAll() : QByteArrayLiteral("");
+    const QString SPECIAL_THANKS_HTML = loadEmbeddedHtml(u":/htmls/special-thanks.html"_s)
+        .arg(tr("Contributors"))
+        .arg(tr("List of contributors on GitHub"))
+        .arg(tr("Thanks to all people who contributed to this project."))
+        .arg(tr("Translators"))
+        .arg(tr("I would like to thank the following people who volunteered to translate this application."));
 
-    const QStringList specialThanksStr {
-        QStringLiteral("<h1 align='center'>%1</h1><a href='%2'>%3</a><p>%4</p>").arg(
-            tr("Contributors"),
-            QStringLiteral("https://github.com/BLumia/pineapple-pictures/graphs/contributors"),
-            tr("List of contributors on GitHub"),
-            tr("Thanks to all people who contributed to this project.")
-        ),
+    const QString LICENSE_HTML = loadEmbeddedHtml(u":/htmls/license.html"_s)
+        .arg(tr("License"))
+        .arg(tr("This application is released under the MIT License."))
+        .arg(tr("License Verbatim Copy"));
 
-        QStringLiteral("<h1 align='center'>%1</h1><p>%2</p>%3").arg(
-            tr("Translators"),
-            tr("I would like to thank the following people who volunteered to translate this application."),
-            translatorList
-        )
-    };
+    const QString THIRD_PARTY_LIBS_HTML = loadEmbeddedHtml(u":/htmls/third-party-libs.html"_s)
+        .arg(tr("Third-party Libraries"))
+        .arg(tr("This application is built on the following free software libraries.", "Free as in freedom"))
+        .arg(tr("Some of them are optional and might not be included with this distribution depending on the build environment."));
 
-    const QStringList licenseStr {
-        QStringLiteral("<h1 align='center'><b>%1</b></h1>").arg(tr("Your Rights")),
-        QStringLiteral("<p>%1</p><p>%2</p><ul><li>%3</li><li>%4</li><li>%5</li><li>%6</li></ul>").arg(
-            tr("%1 is released under the MIT License."), // %1
-            tr("This license grants people a number of freedoms:"), // %2
-            tr("You are free to use %1, for any purpose"), // %3
-            tr("You are free to distribute %1"), // %4
-            tr("You can study how %1 works and change it"), // %5
-            tr("You can distribute changed versions of %1") // %6
-        ).arg(QStringLiteral("<i>%1</i>")),
-        QStringLiteral("<p>%1</p>").arg(tr("The MIT license guarantees you this freedom. Nobody is ever permitted to take it away.")),
-        QStringLiteral("<hr/><pre>%2</pre>")
-    };
+    ui->m_helpTextEdit->setHtml(HELP_HTML);
+    ui->m_aboutTextEdit->setHtml(ABOUT_HTML);
+    ui->m_specialThanksTextEdit->setHtml(SPECIAL_THANKS_HTML);
+    ui->m_licenseTextEdit->setHtml(LICENSE_HTML);
+    ui->m_3rdPartyLibsTextEdit->setHtml(THIRD_PARTY_LIBS_HTML);
 
-    const QString mitLicense(QStringLiteral(R"(Expat/MIT License
-
-Copyright (c) 2025 BLumia
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-)"));
-
-    const QStringList thirdPartyLibsStr {
-        QStringLiteral("<h1 align='center'><b>%1</b></h1>").arg(tr("Third-party Libraries used by %1")),
-        tr("%1 is built on the following free software libraries:", "Free as in freedom"),
-        QStringLiteral("<ul>"),
-#ifdef HAVE_EXIV2_VERSION
-        QStringLiteral("<li><a href='%1'>%2</a>: %3</li>").arg("https://www.exiv2.org/", "Exiv2", "GPLv2"),
-#endif // EXIV2_VERSION
-        QStringLiteral("<li><a href='%1'>%2</a>: %3</li>").arg("https://www.qt.io/", "Qt", "GPLv2 + GPLv3 + LGPLv2.1 + LGPLv3"),
-        QStringLiteral("</ul>")
-    };
-
-    m_helpTextEdit->setText(helpStr.join('\n'));
-
-    m_aboutTextEdit->setText(aboutStr.join('\n'));
-    m_aboutTextEdit->setOpenExternalLinks(true);
-
-    m_specialThanksTextEdit->setText(specialThanksStr.join('\n'));
-    m_specialThanksTextEdit->setOpenExternalLinks(true);
-
-    m_licenseTextEdit->setText(licenseStr.join('\n').arg(qApp->applicationDisplayName(), mitLicense));
-
-    m_3rdPartyLibsTextEdit->setText(thirdPartyLibsStr.join('\n').arg(QStringLiteral("<i>%1</i>").arg(qApp->applicationDisplayName())));
-    m_3rdPartyLibsTextEdit->setOpenExternalLinks(true);
-
-    m_tabWidget->addTab(m_helpTextEdit, tr("&Help"));
-    m_tabWidget->addTab(m_aboutTextEdit, tr("&About"));
-    m_tabWidget->addTab(m_specialThanksTextEdit, tr("&Special Thanks"));
-    m_tabWidget->addTab(m_licenseTextEdit, tr("&License"));
-    m_tabWidget->addTab(m_3rdPartyLibsTextEdit, tr("&Third-party Libraries"));
-
-    m_buttonBox->setStandardButtons(QDialogButtonBox::Close);
-    connect(m_buttonBox, QOverload<QAbstractButton *>::of(&QDialogButtonBox::clicked), this, [this](){
+    connect(ui->m_buttonBox, QOverload<QAbstractButton *>::of(&QDialogButtonBox::clicked), this, [this](QAbstractButton * btn){
+        Q_UNUSED(btn)
         this->close();
     });
 
-    setLayout(new QVBoxLayout);
-
-    layout()->addWidget(m_tabWidget);
-    layout()->addWidget(m_buttonBox);
-
     setMinimumSize(361, 161); // not sure why it complain "Unable to set geometry"
-    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
 }
 
 AboutDialog::~AboutDialog()
 {
-
+    delete ui;
 }
 
 QSize AboutDialog::sizeHint() const

app/aboutdialog.h

@@ -8,9 +8,9 @@
 #include <QDialog>
 
 QT_BEGIN_NAMESPACE
-class QTextBrowser;
-class QTabWidget;
-class QDialogButtonBox;
+namespace Ui {
+class AboutDialog;
+}
 QT_END_NAMESPACE
 
 class AboutDialog : public QDialog
@@ -23,14 +23,7 @@ public:
     QSize sizeHint() const override;
 
 private:
-    QTabWidget * m_tabWidget = nullptr;
-    QDialogButtonBox * m_buttonBox = nullptr;
-
-    QTextBrowser * m_helpTextEdit = nullptr;
-    QTextBrowser * m_aboutTextEdit = nullptr;
-    QTextBrowser * m_specialThanksTextEdit = nullptr;
-    QTextBrowser * m_licenseTextEdit = nullptr;
-    QTextBrowser * m_3rdPartyLibsTextEdit = nullptr;
+    QT_PREPEND_NAMESPACE(Ui::AboutDialog) *ui;
 };
 
 #endif // ABOUTDIALOG_H

app/aboutdialog.ui

@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>AboutDialog</class>
+ <widget class="QDialog" name="AboutDialog">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="windowTitle">
+   <string>About</string>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>361</width>
+    <height>161</height>
+   </size>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QTabWidget" name="m_tabWidget">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="helpTab">
+      <attribute name="title">
+       <string>&amp;Help</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="helpTabLayout">
+       <item>
+         <widget class="QTextBrowser" name="m_helpTextEdit">
+          <property name="openExternalLinks">
+           <bool>false</bool>
+          </property>
+         </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="aboutTab">
+      <attribute name="title">
+       <string>&amp;About</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="aboutTabLayout">
+       <item>
+         <widget class="QTextBrowser" name="m_aboutTextEdit">
+          <property name="openExternalLinks">
+           <bool>true</bool>
+          </property>
+         </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="specialThanksTab">
+      <attribute name="title">
+       <string>&amp;Special Thanks</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="specialThanksTabLayout">
+       <item>
+         <widget class="QTextBrowser" name="m_specialThanksTextEdit">
+          <property name="openExternalLinks">
+           <bool>true</bool>
+          </property>
+         </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="licenseTab">
+      <attribute name="title">
+       <string>&amp;License</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="licenseTabLayout">
+       <item>
+         <widget class="QTextBrowser" name="m_licenseTextEdit">
+          <property name="openExternalLinks">
+           <bool>false</bool>
+          </property>
+         </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="thirdPartyLibsTab">
+      <attribute name="title">
+       <string>&amp;Third-party Libraries</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="thirdPartyLibsTabLayout">
+       <item>
+         <widget class="QTextBrowser" name="m_3rdPartyLibsTextEdit">
+          <property name="openExternalLinks">
+           <bool>true</bool>
+          </property>
+         </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="m_buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Close</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

app/actionmanager.cpp

@@ -4,160 +4,205 @@
 
 #include "actionmanager.h"
 
+#include "settings.h"
 #include "mainwindow.h"
+#include "playlistmanager.h"
+#include "graphicsview.h"
+#include "graphicsscene.h"
 
 #include <QGuiApplication>
 #include <QSvgRenderer>
 #include <QPainter>
 
-#define ICON_NAME(name)\
-    QStringLiteral(":/icons/" #name ".svg")
-
-#define ACTION_NAME(s) QStringLiteral(STRIFY(s))
-#define STRIFY(s) #s
-
-ActionManager::ActionManager()
+static QIcon loadHidpiIcon(const QString &resp, QSize sz = QSize(32, 32))
 {
-
-}
-
-ActionManager::~ActionManager()
-{
-
-}
-
-QIcon ActionManager::loadHidpiIcon(const QString &resp, QSize sz)
-{
-    QSvgRenderer r(resp);
-    QPixmap pm = QPixmap(sz * qApp->devicePixelRatio());
-    pm.fill(Qt::transparent);
-    QPainter p(&pm);
-    r.render(&p);
+    QPixmap pm = QPixmap(resp);
+    pm.scaled(sz * qApp->devicePixelRatio(), Qt::KeepAspectRatio);
     pm.setDevicePixelRatio(qApp->devicePixelRatio());
     return QIcon(pm);
 }
 
 void ActionManager::setupAction(MainWindow *mainWindow)
 {
+    // region: Action and Its Icon Creation
+
+    // Declare some convenient macros and lambdas.
+
+    #define ICON_NAME(name)\
+        QStringLiteral(":/icons/" #name ".png")
+
+    #define ACTION_NAME(s) QStringLiteral(STRIFY(s))
+    #define STRIFY(s) #s
+
     auto create_action = [] (QWidget *w, QAction **a, QString i, QString an, bool iconFromTheme = false) {
         *a = new QAction(w);
         if (!i.isNull())
-            (*a)->setIcon(iconFromTheme ? QIcon::fromTheme(i) : ActionManager::loadHidpiIcon(i));
+            (*a)->setIcon(iconFromTheme ? QIcon::fromTheme(i) : loadHidpiIcon(i));
         (*a)->setObjectName(an);
         w->addAction(*a);
     };
-    #define CREATE_NEW_ICON_ACTION(w, a, i) create_action(w, &a, ICON_NAME(i), ACTION_NAME(a))
-    CREATE_NEW_ICON_ACTION(mainWindow, actionActualSize, zoom-original);
-    CREATE_NEW_ICON_ACTION(mainWindow, actionToggleMaximize, view-fullscreen);
+
+    /// This macro for register normal action.
+    #define CREATE_NEW_ACTION(w, a) create_action(w, &a, QString(), ACTION_NAME(a))
+    /// This macro for register Qt theme action.
+    #define CREATE_NEW_THEMEICON_ACTION(w, a, i) create_action(w, &a, QLatin1String(STRIFY(i)), ACTION_NAME(a), true)
+    /// This macro for register action with our custom icon.
+    #define CREATE_NEW_ICON_ACTION(w, a, i) create_action(w, &a, ICON_NAME(i), ACTION_NAME(a), false)
+
+    CREATE_NEW_ACTION(mainWindow, actionCopyPixmap);
+    CREATE_NEW_ACTION(mainWindow, actionCopyFilePath);
+
+    CREATE_NEW_ICON_ACTION(mainWindow, actionPrevPicture, go-previous);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionNextPicture, go-next);
+
+    CREATE_NEW_ICON_ACTION(mainWindow, actionActualSize, fit-to-size);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionFitToScreen, fit-to-screen);
+    CREATE_NEW_ACTION(mainWindow, actionFitByWidth);
+    CREATE_NEW_ACTION(mainWindow, actionFitByHeight);
     CREATE_NEW_ICON_ACTION(mainWindow, actionZoomIn, zoom-in);
     CREATE_NEW_ICON_ACTION(mainWindow, actionZoomOut, zoom-out);
-    CREATE_NEW_ICON_ACTION(mainWindow, actionToggleCheckerboard, view-background-checkerboard);
-    CREATE_NEW_ICON_ACTION(mainWindow, actionRotateClockwise, object-rotate-right);
-    #undef CREATE_NEW_ICON_ACTION
 
-    #define CREATE_NEW_ACTION(w, a) create_action(w, &a, QString(), ACTION_NAME(a))
-    #define CREATE_NEW_THEMEICON_ACTION(w, a, i) create_action(w, &a, QLatin1String(STRIFY(i)), ACTION_NAME(a), true)
-    CREATE_NEW_ACTION(mainWindow, actionRotateCounterClockwise);
-    CREATE_NEW_ACTION(mainWindow, actionPrevPicture);
-    CREATE_NEW_ACTION(mainWindow, actionNextPicture);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionFlipHorizontal, flip-horizontal);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionFlipVertical, flip-vertical);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionRotateClockwise, rotate-right);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionRotateCounterClockwise, rotate-left);
 
+    CREATE_NEW_ACTION(mainWindow, actionToggleAvoidResetTransform);
+    CREATE_NEW_ACTION(mainWindow, actionToggleCheckerboard);
     CREATE_NEW_ACTION(mainWindow, actionTogglePauseAnimation);
     CREATE_NEW_ACTION(mainWindow, actionAnimationNextFrame);
 
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionOpen, document-open);
-    CREATE_NEW_ACTION(mainWindow, actionHorizontalFlip);
-    CREATE_NEW_ACTION(mainWindow, actionFitInView);
-    CREATE_NEW_ACTION(mainWindow, actionFitByWidth);
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionCopyPixmap, edit-copy);
-    CREATE_NEW_ACTION(mainWindow, actionCopyFilePath);
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionPaste, edit-paste);
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionTrash, edit-delete);
-    CREATE_NEW_ACTION(mainWindow, actionToggleStayOnTop);
-    CREATE_NEW_ACTION(mainWindow, actionToggleProtectMode);
-    CREATE_NEW_ACTION(mainWindow, actionToggleAvoidResetTransform);
+    CREATE_NEW_ACTION(mainWindow, actionTrash/*, edit-delete*/);
+    CREATE_NEW_ACTION(mainWindow, actionLocateInFileManager/*, system-file-manager*/);
+    CREATE_NEW_ICON_ACTION(mainWindow, actionProperties, image-info);
+
     CREATE_NEW_ACTION(mainWindow, actionSettings);
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionHelp, system-help);
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionLocateInFileManager, system-file-manager);
-    CREATE_NEW_THEMEICON_ACTION(mainWindow, actionProperties, document-properties);
-    CREATE_NEW_ACTION(mainWindow, actionQuitApp);
-    #undef CREATE_NEW_ACTION
+    CREATE_NEW_ACTION(mainWindow, actionHelp/*, system-help*/);
+
+    // Remove convenient macros
+
+    #undef CREATE_NEW_ICON_ACTION
     #undef CREATE_NEW_THEMEICON_ACTION
+    #undef CREATE_NEW_ACTION
 
-    retranslateUi(mainWindow);
+    #undef STRIFY
+    #undef ACTION_NAME
+    #undef ICON_NAME
 
-    QMetaObject::connectSlotsByName(mainWindow);
-}
+    // endregion
 
-void ActionManager::retranslateUi(MainWindow *mainWindow)
-{
-    Q_UNUSED(mainWindow);
+    // region: Setup Checkable Action
 
-    actionOpen->setText(QCoreApplication::translate("MainWindow", "&Open...", nullptr));
+    actionToggleAvoidResetTransform->setCheckable(true);
+    actionToggleCheckerboard->setCheckable(true);
+    actionTogglePauseAnimation->setCheckable(true);
 
-    actionActualSize->setText(QCoreApplication::translate("MainWindow", "Actual size", nullptr));
-    actionToggleMaximize->setText(QCoreApplication::translate("MainWindow", "Toggle maximize", nullptr));
-    actionZoomIn->setText(QCoreApplication::translate("MainWindow", "Zoom in", nullptr));
-    actionZoomOut->setText(QCoreApplication::translate("MainWindow", "Zoom out", nullptr));
-    actionToggleCheckerboard->setText(QCoreApplication::translate("MainWindow", "Toggle Checkerboard", nullptr));
-    actionRotateClockwise->setText(QCoreApplication::translate("MainWindow", "Rotate right", nullptr));
-    actionRotateCounterClockwise->setText(QCoreApplication::translate("MainWindow", "Rotate left", nullptr));
+    // endregion
+
+    // region: Action Translatable Text Setup
+
+    actionCopyPixmap->setText(QCoreApplication::translate("MainWindow", "Copy P&ixmap", nullptr));
+    actionCopyFilePath->setText(QCoreApplication::translate("MainWindow", "Copy &File Path", nullptr));
 
     actionPrevPicture->setText(QCoreApplication::translate("MainWindow", "Previous image", nullptr));
     actionNextPicture->setText(QCoreApplication::translate("MainWindow", "Next image", nullptr));
 
+    actionActualSize->setText(QCoreApplication::translate("MainWindow", "Actual size", nullptr));
+    actionFitToScreen->setText(QCoreApplication::translate("MainWindow", "Fit to screen", nullptr));
+    actionFitByWidth->setText(QCoreApplication::translate("MainWindow", "Fit by width", nullptr));
+    actionFitByHeight->setText(QCoreApplication::translate("MainWindow", "Fit by height", nullptr));
+    actionZoomIn->setText(QCoreApplication::translate("MainWindow", "Zoom in", nullptr));
+    actionZoomOut->setText(QCoreApplication::translate("MainWindow", "Zoom out", nullptr));
+
+    actionFlipHorizontal->setText(QCoreApplication::translate("MainWindow", "Flip &Horizontally", nullptr));
+    actionFlipVertical->setText(QCoreApplication::translate("MainWindow", "Flip &Vertically", nullptr));
+    actionRotateClockwise->setText(QCoreApplication::translate("MainWindow", "Rotate right", nullptr));
+    actionRotateCounterClockwise->setText(QCoreApplication::translate("MainWindow", "Rotate left", nullptr));
+
+    actionToggleAvoidResetTransform->setText(QCoreApplication::translate("MainWindow", "Keep transformation", "The 'transformation' means the flip/rotation status that currently applied to the image view"));
+    actionToggleCheckerboard->setText(QCoreApplication::translate("MainWindow", "Toggle Checkerboard", nullptr));
     actionTogglePauseAnimation->setText(QCoreApplication::translate("MainWindow", "Pause/Resume Animation", nullptr));
     actionAnimationNextFrame->setText(QCoreApplication::translate("MainWindow", "Animation Go to Next Frame", nullptr));
 
-    actionHorizontalFlip->setText(QCoreApplication::translate("MainWindow", "Flip &Horizontally", nullptr));
-    actionFitInView->setText(QCoreApplication::translate("MainWindow", "Fit to view", nullptr));
-    actionFitByWidth->setText(QCoreApplication::translate("MainWindow", "Fit to width", nullptr));
-    actionCopyPixmap->setText(QCoreApplication::translate("MainWindow", "Copy P&ixmap", nullptr));
-    actionCopyFilePath->setText(QCoreApplication::translate("MainWindow", "Copy &File Path", nullptr));
-    actionPaste->setText(QCoreApplication::translate("MainWindow", "&Paste", nullptr));
     actionTrash->setText(QCoreApplication::translate("MainWindow", "Move to Trash", nullptr));
-    actionToggleStayOnTop->setText(QCoreApplication::translate("MainWindow", "Stay on top", nullptr));
-    actionToggleProtectMode->setText(QCoreApplication::translate("MainWindow", "Protected mode", nullptr));
-    actionToggleAvoidResetTransform->setText(QCoreApplication::translate("MainWindow", "Keep transformation", "The 'transformation' means the flip/rotation status that currently applied to the image view"));
-    actionSettings->setText(QCoreApplication::translate("MainWindow", "Configure...", nullptr));
-    actionHelp->setText(QCoreApplication::translate("MainWindow", "Help", nullptr));
 #ifdef Q_OS_WIN
     actionLocateInFileManager->setText(
         QCoreApplication::translate(
             "MainWindow", "Show in File Explorer",
             "File Explorer is the name of explorer.exe under Windows"
-        )
-    );
+            )
+        );
 #else
     actionLocateInFileManager->setText(QCoreApplication::translate("MainWindow", "Show in directory", nullptr));
 #endif // Q_OS_WIN
     actionProperties->setText(QCoreApplication::translate("MainWindow", "Properties", nullptr));
-    actionQuitApp->setText(QCoreApplication::translate("MainWindow", "Quit", nullptr));
+
+    actionSettings->setText(QCoreApplication::translate("MainWindow", "Configure...", nullptr));
+    actionHelp->setText(QCoreApplication::translate("MainWindow", "Help", nullptr));
+    // endregion
+
+    QMetaObject::connectSlotsByName(mainWindow);
 }
 
 void ActionManager::setupShortcuts()
 {
-    actionOpen->setShortcut(QKeySequence::Open);
+    actionCopyPixmap->setShortcut(QKeySequence::Copy);
+
+    actionPrevPicture->setShortcuts({
+        QKeySequence(Qt::Key_Left),
+        QKeySequence(Qt::Key_PageUp),
+    });
+    actionNextPicture->setShortcuts({
+        QKeySequence(Qt::Key_Right),
+        QKeySequence(Qt::Key_PageDown),
+    });
+
     actionActualSize->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_0));
     actionZoomIn->setShortcut(QKeySequence::ZoomIn);
     actionZoomOut->setShortcut(QKeySequence::ZoomOut);
-    actionPrevPicture->setShortcuts({
-        QKeySequence(Qt::Key_PageUp),
-        QKeySequence(Qt::Key_Left),
-    });
-    actionNextPicture->setShortcuts({
-        QKeySequence(Qt::Key_PageDown),
-        QKeySequence(Qt::Key_Right),
-    });
-    actionHorizontalFlip->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_R));
-    actionCopyPixmap->setShortcut(QKeySequence::Copy);
-    actionPaste->setShortcut(QKeySequence::Paste);
+
     actionTrash->setShortcut(QKeySequence::Delete);
-    actionHelp->setShortcut(QKeySequence::HelpContents);
-    actionSettings->setShortcut(QKeySequence::Preferences);
     actionProperties->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_I));
-    actionQuitApp->setShortcuts({
-        QKeySequence(Qt::Key_Space),
-        QKeySequence(Qt::Key_Escape)
-    });
+
+    actionSettings->setShortcut(QKeySequence::Preferences);
+    actionHelp->setShortcut(QKeySequence::HelpContents);
+}
+
+void ActionManager::updateActionState(PlaylistManager* pm, GraphicsView* gv)
+{
+    const auto* gs = gv->scene();
+    const auto* settings = Settings::instance();
+
+    // Update copy actions
+    bool canCopy = pm->currentIndex().has_value();
+    actionCopyPixmap->setEnabled(canCopy);
+    actionCopyFilePath->setEnabled(canCopy);
+
+    // Update Prev/Next Picture State
+    const int galleryFileCount = pm->totalCount();
+    const bool loopGallery = settings->loopGallery();
+    actionPrevPicture->setEnabled(galleryFileCount > 1 && (loopGallery || !pm->isFirstIndex()));
+    actionNextPicture->setEnabled(galleryFileCount > 1 && (loopGallery || !pm->isLastIndex()));
+
+    // Update Avoid Reset Transform
+    actionToggleAvoidResetTransform->setChecked(gv->isAvoidResetTransform());
+    // Update Checkerboard
+    actionToggleCheckerboard->setChecked(gv->isCheckerboard());
+    // Update Animation Graphics Action
+    bool canPauseAnimation = gs->canPauseAnimation();
+    actionTogglePauseAnimation->setEnabled(canPauseAnimation);
+    if (canPauseAnimation) {
+        actionTogglePauseAnimation->setChecked(gs->isPauseAnimation());
+    } else {
+        actionTogglePauseAnimation->setChecked(false);
+    }
+    bool canSkipAnimation = gs->canSkipAnimationFrame();
+    actionAnimationNextFrame->setEnabled(canSkipAnimation);
+
+    // Update trash, located in explorer and properties.
+    bool hasLoadedFile = pm->currentIndex().has_value();
+    actionTrash->setEnabled(hasLoadedFile);
+    actionLocateInFileManager->setEnabled(hasLoadedFile);
+    actionProperties->setEnabled(hasLoadedFile);
 }
 

app/actionmanager.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
 //
 // SPDX-License-Identifier: MIT
 
@@ -8,51 +8,53 @@
 #include <QAction>
 
 class MainWindow;
+class PlaylistManager;
+class GraphicsView;
 
+/// Action Manager is separated from Main Window
+/// to manage all actions specifically.
 class ActionManager
 {
 public:
-    ActionManager();
-    ~ActionManager();
+    explicit ActionManager() = default;
+    ~ActionManager() = default;
 
     void setupAction(MainWindow * mainWindow);
-    void retranslateUi(MainWindow *MainWindow);
     void setupShortcuts();
 
-    static QIcon loadHidpiIcon(const QString &resp, QSize sz = QSize(32, 32));
+public slots:
+    void updateActionState(PlaylistManager* pm, GraphicsView* gv);
 
 public:
-    QAction *actionOpen;
-
-    QAction *actionActualSize;
-    QAction *actionToggleMaximize;
-    QAction *actionZoomIn;
-    QAction *actionZoomOut;
-    QAction *actionToggleCheckerboard;
-    QAction *actionRotateClockwise;
-    QAction *actionRotateCounterClockwise;
+    QAction *actionCopyPixmap;
+    QAction *actionCopyFilePath;
 
     QAction *actionPrevPicture;
     QAction *actionNextPicture;
 
+    QAction *actionActualSize;
+    QAction *actionFitToScreen;
+    QAction *actionFitByWidth;
+    QAction *actionFitByHeight;
+    QAction *actionZoomIn;
+    QAction *actionZoomOut;
+
+    QAction *actionFlipHorizontal;
+    QAction *actionFlipVertical;
+    QAction *actionRotateClockwise;
+    QAction *actionRotateCounterClockwise;
+
+    QAction *actionToggleAvoidResetTransform;
+    QAction *actionToggleCheckerboard;
     QAction *actionTogglePauseAnimation;
     QAction *actionAnimationNextFrame;
 
-    QAction *actionHorizontalFlip;
-    QAction *actionFitInView;
-    QAction *actionFitByWidth;
-    QAction *actionCopyPixmap;
-    QAction *actionCopyFilePath;
-    QAction *actionPaste;
     QAction *actionTrash;
-    QAction *actionToggleStayOnTop;
-    QAction *actionToggleProtectMode;
-    QAction *actionToggleAvoidResetTransform;
-    QAction *actionSettings;
-    QAction *actionHelp;
     QAction *actionLocateInFileManager;
     QAction *actionProperties;
-    QAction *actionQuitApp;
+
+    QAction *actionSettings;
+    QAction *actionHelp;
 };
 
 #endif // ACTIONMANAGER_H

app/bottombuttongroup.cpp

@@ -4,56 +4,42 @@
 
 #include "bottombuttongroup.h"
 
-#include "opacityhelper.h"
-
-#include <functional>
-
 #include <QToolButton>
 #include <QVBoxLayout>
 #include <QDebug>
 
-BottomButtonGroup::BottomButtonGroup(const std::vector<QAction *> &actionList, QWidget *parent)
+BottomButtonGroup::BottomButtonGroup(QWidget *parent)
     : QGroupBox (parent)
-    , m_opacityHelper(new OpacityHelper(this))
 {
     QHBoxLayout * mainLayout = new QHBoxLayout(this);
     mainLayout->setSizeConstraint(QLayout::SetFixedSize);
     this->setLayout(mainLayout);
     this->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
-    this->setStyleSheet("BottomButtonGroup {"
-                        "border: 1px solid gray;"
-                        "border-top-left-radius: 10px;"
-                        "border-top-right-radius: 10px;"
-                        "border-style: none;"
-                        "background-color:rgba(0,0,0,120)"
-                        "}"
-                        "QToolButton {"
-                        "background:transparent;"
-                        "}"
-                        "QToolButton:!focus {"
-                        "border-style: none;"
-                        "}");
+    this->setStyleSheet(R"#(
+BottomButtonGroup {
+    border-style: none;
+    background: transparent;
+}
+QToolButton {
+    background: transparent;
+    border-style: none;
+}
+)#");
+}
 
-    auto newActionBtn = [this](QAction * action) -> QToolButton * {
+void BottomButtonGroup::addActions(const std::vector<QAction *> & actionList) {
+    for (QAction * action : actionList) {
+        // Create button
         QToolButton * btn = new QToolButton(this);
         btn->setDefaultAction(action);
         btn->setIconSize(QSize(32, 32));
         btn->setFixedSize(40, 40);
-        return btn;
-    };
-
-    for (QAction * action : actionList) {
-        addButton(newActionBtn(action));
+        // Add button
+        layout()->addWidget(btn);
     }
-}
-
-void BottomButtonGroup::setOpacity(qreal opacity, bool animated)
-{
-    m_opacityHelper->setOpacity(opacity, animated);
-}
-
-void BottomButtonGroup::addButton(QAbstractButton *button)
-{
-    layout()->addWidget(button);
     updateGeometry();
 }
+
+void BottomButtonGroup::addAction(QAction* action) {
+    addActions({action});
+}

app/bottombuttongroup.h

@@ -10,18 +10,14 @@
 #include <QAbstractButton>
 #include <QGroupBox>
 
-class OpacityHelper;
 class BottomButtonGroup : public QGroupBox
 {
     Q_OBJECT
 public:
-    explicit BottomButtonGroup(const std::vector<QAction *> & actionList, QWidget *parent = nullptr);
+    explicit BottomButtonGroup(QWidget *parent = nullptr);
 
-    void setOpacity(qreal opacity, bool animated = true);
-    void addButton(QAbstractButton *button);
-
-private:
-    OpacityHelper * m_opacityHelper;
+    void addActions(const std::vector<QAction *> & actionList);
+    void addAction(QAction* action);
 };
 
 #endif // BOTTOMBUTTONGROUP_H

app/framelesswindow.cpp

@@ -1,147 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-// SPDX-FileCopyrightText: 2023 Tad Young <yyc12321@outlook.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "framelesswindow.h"
-
-#include <QMouseEvent>
-#include <QHoverEvent>
-#include <QApplication>
-#include <QVBoxLayout>
-#include <QWindow>
-
-FramelessWindow::FramelessWindow(QWidget *parent)
-    : QWidget(parent)
-    , m_centralLayout(new QVBoxLayout(this))
-    , m_oldCursorShape(Qt::ArrowCursor)
-    , m_oldEdges()
-{
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinMaxButtonsHint);
-#else
-    // There is a bug in Qt 5 that will make pressing Meta+Up cause the app
-    // fullscreen under Windows, see QTBUG-91226 to learn more.
-    // The bug seems no longer exists in Qt 6 (I only tested it under Qt 6.3.0).
-    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);
-#endif // QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    this->setMouseTracking(true);
-    this->setAttribute(Qt::WA_Hover, true);
-    this->installEventFilter(this);
-
-    m_centralLayout->setContentsMargins(QMargins());
-}
-
-void FramelessWindow::setCentralWidget(QWidget *widget)
-{
-    if (m_centralWidget) {
-        m_centralLayout->removeWidget(m_centralWidget);
-        m_centralWidget->deleteLater();
-    }
-
-    m_centralLayout->addWidget(widget);
-    m_centralWidget = widget;
-}
-
-void FramelessWindow::installResizeCapture(QObject* widget)
-{
-    widget->installEventFilter(this);
-}
-
-bool FramelessWindow::eventFilter(QObject* o, QEvent* e)
-{
-    switch (e->type()) {
-    case QEvent::HoverMove:
-    {
-        QWidget* wg = qobject_cast<QWidget*>(o);
-        if (wg != nullptr)
-            return mouseHover(static_cast<QHoverEvent*>(e), wg);
-
-        break;
-    }
-    case QEvent::MouseButtonPress:
-        return mousePress(static_cast<QMouseEvent*>(e));
-    }
-
-    return QWidget::eventFilter(o, e);
-}
-
-bool FramelessWindow::mouseHover(QHoverEvent* event, QWidget* wg)
-{
-    if (!isMaximized() && !isFullScreen()) {
-        QWindow* win = window()->windowHandle();
-        Qt::Edges edges = this->getEdgesByPos(wg->mapToGlobal(event->oldPos()), win->frameGeometry());
-
-        // backup & restore cursor shape
-        if (edges && !m_oldEdges)
-            // entering the edge. backup cursor shape
-            m_oldCursorShape = win->cursor().shape();
-        if (!edges && m_oldEdges)
-            // leaving the edge. restore cursor shape
-            win->setCursor(m_oldCursorShape);
-
-        // save the latest edges status
-        m_oldEdges = edges;
-
-        // show resize cursor shape if cursor is within border
-        if (edges) {
-            win->setCursor(this->getCursorByEdge(edges, Qt::ArrowCursor));
-            return true;
-        }
-    }
-
-    return false;
-}
-
-bool FramelessWindow::mousePress(QMouseEvent* event)
-{
-    if (event->buttons() & Qt::LeftButton && !isMaximized() && !isFullScreen()) {
-        QWindow* win = window()->windowHandle();
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-        Qt::Edges edges = this->getEdgesByPos(event->globalPosition().toPoint(), win->frameGeometry());
-#else
-        Qt::Edges edges = this->getEdgesByPos(event->globalPos(), win->frameGeometry());
-#endif // QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-        if (edges) {
-            win->startSystemResize(edges);
-            return true;
-        }
-    }
-
-    return false;
-}
-
-Qt::CursorShape FramelessWindow::getCursorByEdge(const Qt::Edges& edges, Qt::CursorShape default_cursor)
-{
-    if ((edges == (Qt::TopEdge | Qt::LeftEdge)) || (edges == (Qt::RightEdge | Qt::BottomEdge)))
-        return Qt::SizeFDiagCursor;
-    else if ((edges == (Qt::TopEdge | Qt::RightEdge)) || (edges == (Qt::LeftEdge | Qt::BottomEdge)))
-        return Qt::SizeBDiagCursor;
-    else if (edges & (Qt::TopEdge | Qt::BottomEdge))
-        return Qt::SizeVerCursor;
-    else if (edges & (Qt::LeftEdge | Qt::RightEdge))
-        return Qt::SizeHorCursor;
-    else
-        return default_cursor;
-}
-
-Qt::Edges FramelessWindow::getEdgesByPos(const QPoint gpos, const QRect& winrect)
-{
-    const int borderWidth = 8;
-    Qt::Edges edges;
-
-    int x = gpos.x() - winrect.x();
-    int y = gpos.y() - winrect.y();
-
-    if (x < borderWidth)
-        edges |= Qt::LeftEdge;
-    if (x > (winrect.width() - borderWidth))
-        edges |= Qt::RightEdge;
-    if (y < borderWidth)
-        edges |= Qt::TopEdge;
-    if (y > (winrect.height() - borderWidth))
-        edges |= Qt::BottomEdge;
-
-    return edges;
-}
-

app/framelesswindow.h

@@ -1,39 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef FRAMELESSWINDOW_H
-#define FRAMELESSWINDOW_H
-
-#include <QWidget>
-
-QT_BEGIN_NAMESPACE
-class QVBoxLayout;
-QT_END_NAMESPACE
-
-class FramelessWindow : public QWidget
-{
-    Q_OBJECT
-public:
-    explicit FramelessWindow(QWidget *parent = nullptr);
-
-    void setCentralWidget(QWidget * widget);
-    void installResizeCapture(QObject* widget);
-
-protected:
-    bool eventFilter(QObject *o, QEvent *e) override;
-    bool mouseHover(QHoverEvent* event, QWidget* wg);
-    bool mousePress(QMouseEvent* event);
-
-private:
-    Qt::Edges m_oldEdges;
-    Qt::CursorShape m_oldCursorShape;
-
-    Qt::CursorShape getCursorByEdge(const Qt::Edges& edges, Qt::CursorShape default_cursor);
-    Qt::Edges getEdgesByPos(const QPoint pos, const QRect& winrect);
-
-    QVBoxLayout * m_centralLayout = nullptr;
-    QWidget * m_centralWidget = nullptr; // just a pointer, doesn't take the ownership.
-};
-
-#endif // FRAMELESSWINDOW_H

app/graphicsscene.cpp

@@ -4,6 +4,11 @@
 
 #include "graphicsscene.h"
 
+#include "settings.h"
+
+#include <QStyleHints>
+#include <QOperatingSystemVersion>
+#include <QGuiApplication>
 #include <QGraphicsSceneMouseEvent>
 #include <QMimeData>
 #include <QDebug>
@@ -14,6 +19,33 @@
 #include <QMovie>
 #include <QPainter>
 
+static const QColor& ColorSchemaToTextForeground(Qt::ColorScheme colorScheme) {
+    // YYC MARK:
+    // If we are using Windows 10 and lower system or Qt which do not support "Windows 11"
+    // theme (lower than Qt 6.7), we should only support light mode.
+    // Because Qt's dark-mode-aware "Windows 11" theme is only well-supported on Windows 11.
+#if defined(Q_OS_WIN)
+#if QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
+    colorScheme = Qt::ColorScheme::Light;
+#else
+    if (QOperatingSystemVersion::current() < QOperatingSystemVersion::Windows11) {
+        colorScheme = Qt::ColorScheme::Light;
+    }
+#endif // QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
+#endif // defined(Q_OS_WIN)
+
+    switch (colorScheme) {
+    case Qt::ColorScheme::Dark:
+        static QColor WHITE = QColor("White");
+        return WHITE;
+    case Qt::ColorScheme::Light:
+    case Qt::ColorScheme::Unknown:
+    default:
+        static QColor BLACK = QColor("Black");
+        return BLACK;
+    }
+}
+
 class PGraphicsPixmapItem : public QGraphicsPixmapItem
 {
 public:
@@ -97,7 +129,8 @@ private:
 GraphicsScene::GraphicsScene(QObject *parent)
     : QGraphicsScene(parent)
 {
-    showText(tr("Drag image here"));
+    showText(tr("Drag image here", "The same meaning of MainWindow's hint."));
+    connect(qGuiApp->styleHints(), &QStyleHints::colorSchemeChanged, this, &GraphicsScene::updateStyle);
 }
 
 GraphicsScene::~GraphicsScene()
@@ -119,7 +152,7 @@ void GraphicsScene::showText(const QString &text)
 {
     this->clear();
     QGraphicsTextItem * textItem = this->addText(text);
-    textItem->setDefaultTextColor(QColor("White"));
+    textItem->setDefaultTextColor(ColorSchemaToTextForeground(qGuiApp->styleHints()->colorScheme()));
     m_theThing = textItem;
     this->setSceneRect(m_theThing->boundingRect());
 }
@@ -130,10 +163,9 @@ void GraphicsScene::showSvg(const QString &filepath)
     QGraphicsSvgItem * svgItem = new QGraphicsSvgItem();
     QSvgRenderer * render = new QSvgRenderer(svgItem);
 #if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
-    // Qt 6.7.0's SVG support is terrible caused by huge memory usage, see QTBUG-124287
-    // Qt 6.7.1's is somewhat better, memory issue seems fixed, but still laggy when zoom in,
-    // see QTBUG-126771. Anyway let's disable it for now.
-    render->setOptions(QtSvg::Tiny12FeaturesOnly);
+    if (Settings::instance()->svgTiny12Only()) {
+        render->setOptions(QtSvg::Tiny12FeaturesOnly);
+    }
 #endif // QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
     render->load(filepath);
     svgItem->setSharedRenderer(render);
@@ -168,27 +200,57 @@ bool GraphicsScene::trySetTransformationMode(Qt::TransformationMode mode, float
     return false;
 }
 
+/// Fetch graphics item as our custom animated item.
+/// Return nullptr means this item is not animated item.
+static PGraphicsMovieItem* fetchAnimatedItem(QGraphicsItem *item) {
+    return qgraphicsitem_cast<PGraphicsMovieItem *>(item);
+}
+
+bool GraphicsScene::canPauseAnimation() const {
+    return fetchAnimatedItem(m_theThing) != nullptr;
+}
+
+bool GraphicsScene::isPauseAnimation() const {
+    auto* animatedItem = fetchAnimatedItem(m_theThing);
+    if (animatedItem != nullptr) {
+        return animatedItem->movie()->state() == QMovie::Paused;
+    } else {
+        return false;
+    }
+}
+
 bool GraphicsScene::togglePauseAnimation()
 {
-    PGraphicsMovieItem * animatedItem = qgraphicsitem_cast<PGraphicsMovieItem *>(m_theThing);
-    if (animatedItem) {
+    auto* animatedItem = fetchAnimatedItem(m_theThing);
+    if (animatedItem != nullptr) {
         animatedItem->movie()->setPaused(animatedItem->movie()->state() != QMovie::Paused);
         return true;
+    } else {
+        return false;
     }
-    return false;
+}
+
+bool GraphicsScene::canSkipAnimationFrame() const {
+    return isPauseAnimation();
 }
 
 bool GraphicsScene::skipAnimationFrame(int delta)
 {
-    PGraphicsMovieItem * animatedItem = qgraphicsitem_cast<PGraphicsMovieItem *>(m_theThing);
-    if (animatedItem) {
-        const int frameCount = animatedItem->movie()->frameCount();
-        const int currentFrame = animatedItem->movie()->currentFrameNumber();
-        const int targetFrame = (currentFrame + delta) % frameCount;
-        animatedItem->movie()->setPaused(true);
-        return animatedItem->movie()->jumpToFrame(targetFrame);
+    auto* animatedItem = fetchAnimatedItem(m_theThing);
+
+    // Only paused animated item can skip frame
+    if (animatedItem == nullptr) {
+        return false;
     }
-    return false;
+    if (animatedItem->movie()->state() != QMovie::Paused) {
+        return false;
+    }
+
+    // Perform skip
+    const int frameCount = animatedItem->movie()->frameCount();
+    const int currentFrame = animatedItem->movie()->currentFrameNumber();
+    const int targetFrame = (currentFrame + delta) % frameCount;
+    return animatedItem->movie()->jumpToFrame(targetFrame);
 }
 
 QPixmap GraphicsScene::renderToPixmap()
@@ -205,3 +267,14 @@ QPixmap GraphicsScene::renderToPixmap()
 
     return pixmap;
 }
+
+void GraphicsScene::updateStyle(Qt::ColorScheme colorScheme) {
+    Q_UNUSED(colorScheme)
+
+    QGraphicsItem * item = this->m_theThing;
+    if (item == nullptr) return;
+    QGraphicsTextItem * textItem = qgraphicsitem_cast<QGraphicsTextItem*>(item);
+    if (textItem == nullptr) return;
+
+    textItem->setDefaultTextColor(ColorSchemaToTextForeground(colorScheme));
+}

app/graphicsscene.h

@@ -21,11 +21,26 @@ public:
 
     bool trySetTransformationMode(Qt::TransformationMode mode, float scaleHint);
 
+    /// Check whether current thing is animation.
+    /// Only animation thing can be paused.
+    bool canPauseAnimation() const;
+    /// Check whether we are pasuing an animation graphics.
+    bool isPauseAnimation() const;
+    /// Toggle animation graphics pause state.
+    /// Return true for successfully toggle, otherwise false.
     bool togglePauseAnimation();
+    /// Check whether we can skip animation frame.
+    /// Only paused animation graphics can skip frame.
+    bool canSkipAnimationFrame() const;
+    /// Skip paused animation graphics with given frame.
+    /// Return true for successfully skip, otherwise false.
     bool skipAnimationFrame(int delta = 1);
 
     QPixmap renderToPixmap();
 
+private slots:
+    void updateStyle(Qt::ColorScheme colorScheme);
+
 private:
     QGraphicsItem * m_theThing = nullptr;
 };

app/graphicsview.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
 //
 // SPDX-License-Identifier: MIT
 
@@ -7,7 +7,10 @@
 #include "graphicsscene.h"
 #include "settings.h"
 
+#include <QStyleHints>
+#include <QOperatingSystemVersion>
 #include <QDebug>
+#include <QColorSpace>
 #include <QMouseEvent>
 #include <QScrollBar>
 #include <QMimeData>
@@ -22,11 +25,12 @@ GraphicsView::GraphicsView(QWidget *parent)
     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setResizeAnchor(QGraphicsView::AnchorUnderMouse);
     setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
-    setStyleSheet("background-color: rgba(0, 0, 0, 220);"
-                  "border-radius: 3px;");
     setAcceptDrops(false);
     setCheckerboardEnabled(false);
 
+    updateStyle(qGuiApp->styleHints()->colorScheme());
+    connect(qGuiApp->styleHints(), &QStyleHints::colorSchemeChanged, this, &GraphicsView::updateStyle);
+
     connect(horizontalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
     connect(verticalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
 }
@@ -41,9 +45,7 @@ void GraphicsView::showFileFromPath(const QString &filePath)
         QImageReader imageReader(filePath);
         imageReader.setAutoTransform(true);
         imageReader.setDecideFormatFromContent(true);
-#if QT_VERSION > QT_VERSION_CHECK(6, 0, 0)
         imageReader.setAllocationLimit(0);
-#endif //QT_VERSION > QT_VERSION_CHECK(6, 0, 0)
 
         // Since if the image format / plugin does not support this feature, imageFormat() will returns an invalid format.
         // So we cannot use imageFormat() and check if it returns QImage::Format_Invalid to detect if we support the file.
@@ -55,6 +57,18 @@ void GraphicsView::showFileFromPath(const QString &filePath)
         } else if (!imageReader.canRead()) {
             showText(tr("Image data is invalid or currently unsupported"));
         } else {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+            QImage && img = imageReader.read();
+            if (img.isNull()) {
+                showText(tr("Image data is invalid or currently unsupported"));
+            } else {
+                if (img.format() == QImage::Format_CMYK8888) {
+                    img.convertToColorSpace(QColorSpace::SRgb);
+                }
+                img.setDevicePixelRatio(devicePixelRatioF());
+                showImage(img);
+            }
+#else
             QPixmap && pixmap = QPixmap::fromImageReader(&imageReader);
             if (pixmap.isNull()) {
                 showText(tr("Image data is invalid or currently unsupported"));
@@ -62,6 +76,7 @@ void GraphicsView::showFileFromPath(const QString &filePath)
                 pixmap.setDevicePixelRatio(devicePixelRatioF());
                 showImage(pixmap);
             }
+#endif // QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
         }
     }
 }
@@ -125,7 +140,7 @@ void GraphicsView::resetTransform()
 
 void GraphicsView::zoomView(qreal scaleFactor)
 {
-    m_enableFitInView = false;
+    m_enableFitToScreen = false;
     scale(scaleFactor, scaleFactor);
     applyTransformationModeByScaleFactor();
     emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
@@ -142,6 +157,10 @@ void GraphicsView::rotateView(bool clockwise)
                   0,                  0,                  1);
     tf = transform() * tf;
     setTransform(tf);
+    
+    // Apply transformation mode but don't emit navigator signal here
+    // Let displayScene() handle the navigator visibility correctly
+    applyTransformationModeByScaleFactor();
 }
 
 void GraphicsView::flipView(bool horizontal)
@@ -173,22 +192,104 @@ void GraphicsView::fitByOrientation(Qt::Orientation ori, bool scaleDownOnly)
 {
     resetScale();
 
-    QRectF viewRect = this->viewport()->rect().adjusted(2, 2, -2, -2);
+    QRectF viewRect = this->viewport()->rect();
     QRectF imageRect = transform().mapRect(sceneRect());
+    QSize viewSize = viewRect.size().toSize();
 
     qreal ratio;
 
     if (ori == Qt::Horizontal) {
-        ratio = viewRect.width() / imageRect.width();
+        // Horizontal fit means fit by width
+        if (scaleDownOnly && imageRect.width() <= viewSize.width()) {
+            // Image width already fits, no scaling needed
+            ratio = 1;
+        } else {
+            ratio = viewRect.width() / imageRect.width();
+        }
     } else {
-        ratio = viewRect.height() / imageRect.height();
+        // Vertical fit means fit by height
+        if (scaleDownOnly && imageRect.height() <= viewSize.height()) {
+            // Image height already fits, no scaling needed
+            ratio = 1;
+        } else {
+            ratio = viewRect.height() / imageRect.height();
+        }
     }
 
-    if (scaleDownOnly && ratio > 1) ratio = 1;
+    if (ratio != 1) {
+        scale(ratio, ratio);
+    }
 
-    scale(ratio, ratio);
-    centerOn(imageRect.top(), 0);
-    m_enableFitInView = false;
+    // Position the image correctly based on orientation with rotation consideration
+    QRectF originalScene = sceneRect();
+    QTransform currentTransform = transform();
+    
+    // TODO: 
+    // I guess following code may be optimized by matrix arithmetic operation.
+    // There is an AI given solution. But I didn't use it.
+    // Because I want to keep the same behavior of upstream.
+
+    // // Horizontal fit: Let the position of top center of viewport, (cx, 0), be inversely mapped to scene.
+    // // And compensate the behavior of `centerOn` which put given point to the center of viewport.
+    // QTransform inv = currentTransform.inverted();
+    // QPointF viewCx = viewport()->rect().center().x();
+    // QPointF viewCy = viewport()->rect().center().y();
+    // // The target is viewport top center. Its y=0, so `centerOn` required scene point is (viewCx, -viewCy).
+    // centerOn(inv.map(QPointF(viewCx, -viewCy)));
+
+    if (ori == Qt::Horizontal) {
+        // For horizontal fit (fit by width), position at top (for tall images)
+        // Find the scene point that corresponds to the top-center of the transformed image
+        QPointF sceneTopCenter;
+
+        if (qFuzzyIsNull(currentTransform.m12()) && qFuzzyIsNull(currentTransform.m21())) {
+            // 0° or 180° rotation
+            if (currentTransform.m11() > 0 && currentTransform.m22() > 0) {
+                // 0° rotation: use original top-center
+                sceneTopCenter = QPointF(originalScene.center().x(), originalScene.top());
+            } else {
+                // 180° rotation: the visual "top" is now at the scene bottom
+                sceneTopCenter = QPointF(originalScene.center().x(), originalScene.bottom());
+            }
+        } else {
+            // 90/270 degree rotation: the "top" in view corresponds to left/right in scene
+            if (currentTransform.m12() > 0) {
+                // 90 degree: top in view = left in scene
+                sceneTopCenter = QPointF(originalScene.left(), originalScene.center().y());
+            } else {
+                // 270 degree: top in view = right in scene
+                sceneTopCenter = QPointF(originalScene.right(), originalScene.center().y());
+            }
+        }
+        centerOn(sceneTopCenter);
+    } else {
+        // For vertical fit (fit by height), position at left (for wide images)
+        // Find the scene point that corresponds to the left-center of the transformed image
+        QPointF sceneLeftCenter;
+
+        if (qFuzzyIsNull(currentTransform.m12()) && qFuzzyIsNull(currentTransform.m21())) {
+            // 0° or 180° rotation
+            if (currentTransform.m11() > 0 && currentTransform.m22() > 0) {
+                // 0° rotation: use original left-center
+                sceneLeftCenter = QPointF(originalScene.left(), originalScene.center().y());
+            } else {
+                // 180° rotation: the visual "left" is now at the scene right
+                sceneLeftCenter = QPointF(originalScene.right(), originalScene.center().y());
+            }
+        } else {
+            // 90/270 degree rotation: the "left" in view corresponds to top/bottom in scene
+            if (currentTransform.m21() > 0) {
+                // 90 degree: left in view = top in scene
+                sceneLeftCenter = QPointF(originalScene.center().x(), originalScene.top());
+            } else {
+                // 270 degree: left in view = bottom in scene
+                sceneLeftCenter = QPointF(originalScene.center().x(), originalScene.bottom());
+            }
+        }
+        centerOn(sceneLeftCenter);
+    }
+
+    m_enableFitToScreen = false;
 
     applyTransformationModeByScaleFactor();
     emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
@@ -202,10 +303,16 @@ void GraphicsView::displayScene()
     }
 
     if (isSceneBiggerThanView()) {
+        // Do fit-in-view
         fitInView(sceneRect(), Qt::KeepAspectRatio);
+        // After fitInView, the image should fit the window, so hide navigator
+        emit navigatorViewRequired(false, transform());
+    } else {
+        // Image is already smaller than window, no navigator needed
+        emit navigatorViewRequired(false, transform());
     }
 
-    m_enableFitInView = true;
+    m_enableFitToScreen = true;
     m_firstUserMediaLoaded = true;
 }
 
@@ -219,12 +326,12 @@ bool GraphicsView::isSceneBiggerThanView() const
 }
 
 // Automately do fit in view when viewport(window) smaller than image original size.
-void GraphicsView::setEnableAutoFitInView(bool enable)
+void GraphicsView::setEnableAutoFitToScreen(bool enable)
 {
-    m_enableFitInView = enable;
+    m_enableFitToScreen = enable;
 }
 
-bool GraphicsView::avoidResetTransform() const
+bool GraphicsView::isAvoidResetTransform() const
 {
     return m_avoidResetTransform;
 }
@@ -234,6 +341,15 @@ void GraphicsView::setAvoidResetTransform(bool avoidReset)
     m_avoidResetTransform = avoidReset;
 }
 
+bool GraphicsView::isCheckerboard() const {
+    return m_checkerboardEnabled;
+}
+
+void GraphicsView::toggleCheckerboard(bool invertCheckerboardColor)
+{
+    setCheckerboardEnabled(!m_checkerboardEnabled, invertCheckerboardColor);
+}
+
 inline double zeroOrOne(double number)
 {
     return qFuzzyIsNull(number) ? 0 : (number > 0 ? 1 : -1);
@@ -248,9 +364,37 @@ QTransform GraphicsView::resetScale(const QTransform & orig)
                       orig.dx(),             orig.dy());
 }
 
-void GraphicsView::toggleCheckerboard(bool invertCheckerboardColor)
-{
-    setCheckerboardEnabled(!m_checkerboardEnabled, invertCheckerboardColor);
+void GraphicsView::updateStyle(Qt::ColorScheme colorScheme) {
+    // YYC MARK:
+    // If we are using Windows 10 and lower system or Qt which do not support "Windows 11"
+    // theme (lower than Qt 6.7), we should only support light mode.
+    // Because Qt's dark-mode-aware "Windows 11" theme is only well-supported on Windows 11.
+#if defined(Q_OS_WIN)
+#if QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
+    colorScheme = Qt::ColorScheme::Light;
+#else
+    if (QOperatingSystemVersion::current() < QOperatingSystemVersion::Windows11) {
+        colorScheme = Qt::ColorScheme::Light;
+    }
+#endif // QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
+#endif // defined(Q_OS_WIN)
+
+    switch (colorScheme) {
+    case Qt::ColorScheme::Dark:
+        setStyleSheet(R"#(
+border-style: none;
+background-color: black;
+)#");
+        break;
+    case Qt::ColorScheme::Light:
+    case Qt::ColorScheme::Unknown:
+    default:
+        setStyleSheet(R"#(
+border-style: none;
+background-color: white;
+)#");
+        break;
+    }
 }
 
 void GraphicsView::mousePressEvent(QMouseEvent *event)
@@ -296,11 +440,11 @@ void GraphicsView::wheelEvent(QWheelEvent *event)
 
 void GraphicsView::resizeEvent(QResizeEvent *event)
 {
-    if (m_enableFitInView) {
+    if (m_enableFitToScreen) {
         bool originalSizeSmallerThanWindow = isThingSmallerThanWindowWith(resetScale(transform()));
         if (originalSizeSmallerThanWindow && scaleFactor() >= 1) {
             // no longer need to do fitInView()
-            // but we leave the m_enableFitInView value unchanged in case
+            // but we leave the m_enableToScreen value unchanged in case
             // user resize down the window again.
         } else if (originalSizeSmallerThanWindow && scaleFactor() < 1) {
             resetScale();

app/graphicsview.h

@@ -38,19 +38,22 @@ public:
 
     void displayScene();
     bool isSceneBiggerThanView() const;
-    void setEnableAutoFitInView(bool enable = true);
+    void setEnableAutoFitToScreen(bool enable = true);
 
-    bool avoidResetTransform() const;
+    bool isAvoidResetTransform() const;
     void setAvoidResetTransform(bool avoidReset);
 
+    bool isCheckerboard() const;
+    void toggleCheckerboard(bool invertCheckerboardColor = false);
+
     static QTransform resetScale(const QTransform & orig);
 
 signals:
     void navigatorViewRequired(bool required, QTransform transform);
     void viewportRectChanged();
 
-public slots:
-    void toggleCheckerboard(bool invertCheckerboardColor = false);
+private slots:
+    void updateStyle(Qt::ColorScheme colorScheme);
 
 private:
     void mousePressEvent(QMouseEvent * event) override;
@@ -69,7 +72,7 @@ private:
     // Consider switch to 3 state for "no fit", "always fit" and "fit when view is smaller"?
     // ... or even more? e.g. "fit/snap width" things...
     // Currently it's "no fit" when it's false and "fit when view is smaller" when it's true.
-    bool m_enableFitInView = false;
+    bool m_enableFitToScreen = false;
     bool m_avoidResetTransform = false;
     bool m_checkerboardEnabled = false;
     bool m_useLightCheckerboard = false;

app/main.cpp

@@ -4,7 +4,6 @@
 
 #include "mainwindow.h"
 
-#include "playlistmanager.h"
 #include "settings.h"
 
 #ifdef Q_OS_MACOS
@@ -17,33 +16,32 @@
 #include <QTranslator>
 #include <QUrl>
 
+using namespace Qt::Literals::StringLiterals;
+
 int main(int argc, char *argv[])
 {
-    QCoreApplication::setApplicationName("Pineapple Pictures");
+    QCoreApplication::setApplicationName(u"Pineapple Pictures"_s);
     QCoreApplication::setApplicationVersion(PPIC_VERSION_STRING);
     QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Settings::instance()->hiDpiScaleFactorBehavior());
 
     QApplication a(argc, argv);
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-    a.setAttribute(Qt::ApplicationAttribute::AA_UseHighDpiPixmaps);
-#endif
 
     QTranslator translator;
 #if defined(TRANSLATION_RESOURCE_EMBEDDING)
-    const QString qmDir = QLatin1String(":/i18n/");
+    const QString qmDir = u":/i18n/"_s;
 #elif defined(QM_FILE_INSTALL_ABSOLUTE_DIR)
     const QString qmDir = QT_STRINGIFY(QM_FILE_INSTALL_ABSOLUTE_DIR);
 #else
     const QString qmDir = QDir(QCoreApplication::applicationDirPath()).absoluteFilePath("translations");
 #endif
-    if (translator.load(QLocale(), QLatin1String("PineapplePictures"), QLatin1String("_"), qmDir)) {
+    if (translator.load(QLocale(), u"PineapplePictures"_s, u"_"_s, qmDir)) {
         QCoreApplication::installTranslator(&translator);
     }
 
     QGuiApplication::setApplicationDisplayName(QCoreApplication::translate("main", "Pineapple Pictures"));
 
     // commandline options
-    QCommandLineOption supportedImageFormats(QStringLiteral("supported-image-formats"), QCoreApplication::translate("main", "List supported image format suffixes, and quit program."));
+    QCommandLineOption supportedImageFormats(u"supported-image-formats"_s, QCoreApplication::translate("main", "List supported image format suffixes, and quit program."));
     // parse commandline arguments
     QCommandLineParser parser;
     parser.addOption(supportedImageFormats);
@@ -69,22 +67,28 @@ int main(int argc, char *argv[])
     a.installEventFilter(fileOpenEventHandler);
     a.connect(fileOpenEventHandler, &FileOpenEventHandler::fileOpen, [&w](const QUrl & url){
         if (w.isHidden()) {
-            w.setWindowOpacity(1);
             w.showNormal();
         } else {
             w.activateWindow();
         }
-        w.showUrls({url});
+        w.showFiles({url});
         w.initWindowSize();
     });
+
+    // Handle dock icon clicks to show hidden window
+    a.connect(&a, &QApplication::applicationStateChanged, [&w](Qt::ApplicationState state) {
+        if (state == Qt::ApplicationActive && w.isHidden()) {
+            w.showFiles({});
+            w.galleryCurrent(false);
+            w.showNormal();
+            w.raise();
+            w.activateWindow();
+        }
+    });
 #endif // Q_OS_MACOS
 
-    QStringList urlStrList = parser.positionalArguments();
-    QList<QUrl> && urlList = PlaylistManager::convertToUrlList(urlStrList);
-
-    if (!urlList.isEmpty()) {
-        w.showUrls(urlList);
-    }
+    QStringList fileList = parser.positionalArguments();
+    w.showFiles(fileList);
 
     w.initWindowSize();
 

app/mainwindow.h

@@ -5,31 +5,19 @@
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
-#include "framelesswindow.h"
-
-#include <QParallelAnimationGroup>
-#include <QPropertyAnimation>
-#include <QPushButton>
-
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    typedef QEnterEvent QT_ENTER_EVENT;
-#else
-    typedef QEvent QT_ENTER_EVENT;
-#endif // QT_VERSION_CHECK(6, 0, 0)
+#include <QWidget>
 
 QT_BEGIN_NAMESPACE
-class QGraphicsOpacityEffect;
-class QGraphicsView;
 class QFileSystemWatcher;
+namespace Ui {
+class MainWindow;
+}
 QT_END_NAMESPACE
 
 class ActionManager;
 class PlaylistManager;
-class ToolButton;
-class GraphicsView;
-class NavigatorView;
-class BottomButtonGroup;
-class MainWindow : public FramelessWindow
+
+class MainWindow : public QWidget
 {
     Q_OBJECT
 
@@ -37,42 +25,26 @@ public:
     explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow() override;
 
-    void showUrls(const QList<QUrl> &urls);
+    void showFiles(const QStringList& files);
+    void showFiles(const QList<QUrl>& urls);
     void initWindowSize();
-    void adjustWindowSizeBySceneRect();
-    QUrl currentImageFileUrl() const;
 
     void clearGallery();
     void galleryPrev();
     void galleryNext();
-    void galleryCurrent(bool showLoadImageHintWhenEmpty, bool reloadImage);
+    void galleryCurrent(bool fromFileWatcher);
 
     static QStringList supportedImageFormats();
 
 protected slots:
-    void showEvent(QShowEvent *event) override;
-    void enterEvent(QT_ENTER_EVENT *event) override;
-    void leaveEvent(QEvent *event) override;
-    void mousePressEvent(QMouseEvent *event) override;
-    void mouseMoveEvent(QMouseEvent *event) override;
-    void mouseReleaseEvent(QMouseEvent *event) override;
-    void mouseDoubleClickEvent(QMouseEvent *event) override;
     void wheelEvent(QWheelEvent *event) override;
-    void resizeEvent(QResizeEvent *event) override;
     void contextMenuEvent(QContextMenuEvent *event) override;
     void dragEnterEvent(QDragEnterEvent *event) override;
     void dragMoveEvent(QDragMoveEvent *event) override;
     void dropEvent(QDropEvent *event) override;
 
     void centerWindow();
-    void closeWindow();
-    void updateWidgetsPosition();
-    void toggleProtectedMode();
-    void toggleStayOnTop();
     void toggleAvoidResetTransform();
-    bool stayOnTop() const;
-    bool canPaste() const;
-    void quitAppAction(bool force = false);
     void toggleFullscreen();
     void toggleMaximize();
 
@@ -80,58 +52,46 @@ protected:
     QSize sizeHint() const override;
 
 private slots:
-    void on_actionOpen_triggered();
-
-    void on_actionActualSize_triggered();
-    void on_actionToggleMaximize_triggered();
-    void on_actionZoomIn_triggered();
-    void on_actionZoomOut_triggered();
-    void on_actionToggleCheckerboard_triggered();
-    void on_actionRotateClockwise_triggered();
-    void on_actionRotateCounterClockwise_triggered();
+    void on_actionCopyPixmap_triggered();
+    void on_actionCopyFilePath_triggered();
 
     void on_actionPrevPicture_triggered();
     void on_actionNextPicture_triggered();
 
+    void on_actionActualSize_triggered();
+    void on_actionFitToScreen_triggered();
+    void on_actionFitByWidth_triggered();
+    void on_actionFitByHeight_triggered();
+    void on_actionZoomIn_triggered();
+    void on_actionZoomOut_triggered();
+
+    void on_actionFlipHorizontal_triggered();
+    void on_actionFlipVertical_triggered();
+    void on_actionRotateClockwise_triggered();
+    void on_actionRotateCounterClockwise_triggered();
+
+    void on_actionToggleAvoidResetTransform_triggered();
+    void on_actionToggleCheckerboard_triggered();
     void on_actionTogglePauseAnimation_triggered();
     void on_actionAnimationNextFrame_triggered();
 
-    void on_actionHorizontalFlip_triggered();
-    void on_actionFitInView_triggered();
-    void on_actionFitByWidth_triggered();
-    void on_actionCopyPixmap_triggered();
-    void on_actionCopyFilePath_triggered();
-    void on_actionPaste_triggered();
     void on_actionTrash_triggered();
-    void on_actionToggleStayOnTop_triggered();
-    void on_actionToggleProtectMode_triggered();
-    void on_actionToggleAvoidResetTransform_triggered();
+    void on_actionLocateInFileManager_triggered();
+    void on_actionProperties_triggered();
+
     void on_actionSettings_triggered();
     void on_actionHelp_triggered();
-    void on_actionProperties_triggered();
-    void on_actionLocateInFileManager_triggered();
-    void on_actionQuitApp_triggered();
 
 private:
     bool updateFileWatcher(const QString & basePath = QString());
+    void updateActionState();
 
 private:
+    QT_PREPEND_NAMESPACE(Ui::MainWindow) *ui;
+    
     ActionManager *m_am;
     PlaylistManager *m_pm;
-
-    QPoint m_oldMousePos;
-    QPropertyAnimation *m_fadeOutAnimation;
-    QPropertyAnimation *m_floatUpAnimation;
-    QParallelAnimationGroup *m_exitAnimationGroup;
     QFileSystemWatcher *m_fileSystemWatcher;
-    ToolButton *m_closeButton;
-    ToolButton *m_prevButton;
-    ToolButton *m_nextButton;
-    GraphicsView *m_graphicsView;
-    NavigatorView *m_gv;
-    BottomButtonGroup *m_bottomButtonGroup;
-    bool m_protectedMode = false;
-    bool m_clickedOnWindow = false;
 };
 
 #endif // MAINWINDOW_H

app/mainwindow.ui

@@ -0,0 +1,169 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QWidget" name="MainWindow">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>640</width>
+    <height>480</height>
+   </size>
+  </property>
+  <property name="acceptDrops">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="m_centralLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="GraphicsView" name="m_gv">
+     <property name="frameShape">
+      <enum>QFrame::NoFrame</enum>
+     </property>
+     <property name="verticalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+     <property name="horizontalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QWidget" name="bottomBar" native="true">
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>72</height>
+      </size>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>16777215</width>
+       <height>72</height>
+      </size>
+     </property>
+     <layout class="QHBoxLayout" name="bottomBarLayout">
+      <property name="spacing">
+       <number>0</number>
+      </property>
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <widget class="QWidget" name="m_navPH" native="true">
+        <property name="minimumSize">
+         <size>
+          <width>99</width>
+          <height>72</height>
+         </size>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>99</width>
+          <height>72</height>
+         </size>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <spacer name="leftSpacer">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+       </spacer>
+      </item>
+      <item>
+       <widget class="BottomButtonGroup" name="m_bottomButtonGroup"/>
+      </item>
+      <item>
+       <spacer name="rightSpacer">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+       </spacer>
+      </item>
+      <item>
+       <widget class="NavigatorView" name="m_nav">
+        <property name="minimumSize">
+         <size>
+          <width>99</width>
+          <height>72</height>
+         </size>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>99</width>
+          <height>72</height>
+         </size>
+        </property>
+        <property name="frameShape">
+         <enum>QFrame::NoFrame</enum>
+        </property>
+        <property name="verticalScrollBarPolicy">
+         <enum>Qt::ScrollBarAlwaysOff</enum>
+        </property>
+        <property name="horizontalScrollBarPolicy">
+         <enum>Qt::ScrollBarAlwaysOff</enum>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+  <widget class="QMenu" name="m_subMenuCopy">
+   <property name="title">
+    <string>&amp;Copy</string>
+   </property>
+  </widget>
+  <widget class="QMenu" name="m_subMenuTransform">
+   <property name="title">
+    <string>&amp;Transform</string>
+   </property>
+  </widget>
+  <widget class="QMenu" name="m_menu"/>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>GraphicsView</class>
+   <extends>QGraphicsView</extends>
+   <header>graphicsview.h</header>
+  </customwidget>
+  <customwidget>
+   <class>NavigatorView</class>
+   <extends>QGraphicsView</extends>
+   <header>navigatorview.h</header>
+  </customwidget>
+  <customwidget>
+   <class>BottomButtonGroup</class>
+   <extends>QGroupBox</extends>
+   <header>bottombuttongroup.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

app/metadatadialog.cpp

@@ -3,12 +3,12 @@
 // SPDX-License-Identifier: MIT
 
 #include "metadatadialog.h"
+#include "ui_metadatadialog.h"
 
 #include <QDialogButtonBox>
 #include <QPainter>
 #include <QStyledItemDelegate>
 #include <QTreeView>
-#include <QVBoxLayout>
 #include <QHeaderView>
 
 #include "metadatamodel.h"
@@ -73,30 +73,33 @@ protected:
 };
 
 MetadataDialog::MetadataDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_treeView(new PropertyTreeView(this))
+    : QDialog(parent), ui(new QT_PREPEND_NAMESPACE(Ui::MetadataDialog))
 {
+    ui->setupUi(this);
+    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+
+    // YYC MARK:
+    // Because we use custom QTreeView and we do not want to expose it to public domain.
+    // So I have to use this way as the compromise.
+
+    // Create our custom QTreeView and insert them
+    m_treeView = new PropertyTreeView(this);
+    auto* layout = ui->verticalLayout;
+    const int index = layout->indexOf(ui->m_buttonBox);
+    layout->insertWidget(index, m_treeView);
+
+    // Setup our custom QTreeView
     m_treeView->setRootIsDecorated(false);
     m_treeView->setIndentation(0);
     m_treeView->setItemDelegate(new PropertyTreeItemDelegate(m_treeView));
     m_treeView->header()->resizeSection(0, sizeHint().width() / 2);
 
-    setWindowTitle(tr("Image Metadata"));
-
-    QDialogButtonBox * buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
-
-    setLayout(new QVBoxLayout);
-    layout()->addWidget(m_treeView);
-    layout()->addWidget(buttonBox);
-
-    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::close);
-
-    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+    connect(ui->m_buttonBox, &QDialogButtonBox::rejected, this, &QDialog::close);
 }
 
 MetadataDialog::~MetadataDialog()
 {
-
+    delete ui;
 }
 
 void MetadataDialog::setMetadataModel(MetadataModel * model)

app/metadatadialog.h

@@ -11,6 +11,12 @@ QT_BEGIN_NAMESPACE
 class QTreeView;
 QT_END_NAMESPACE
 
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class MetadataDialog;
+}
+QT_END_NAMESPACE
+
 class MetadataModel;
 class MetadataDialog : public QDialog
 {
@@ -25,6 +31,7 @@ public:
 
 private:
     QTreeView * m_treeView = nullptr;
+    QT_PREPEND_NAMESPACE(Ui::MetadataDialog) *ui;
 };
 
 #endif // METADATADIALOG_H

app/metadatadialog.ui

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MetadataDialog</class>
+ <widget class="QDialog" name="MetadataDialog">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="windowTitle">
+   <string>Image Metadata</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QDialogButtonBox" name="m_buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Close</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

app/metadatamodel.cpp

@@ -11,6 +11,8 @@
 #include <QFileInfo>
 #include <QImageReader>
 
+using namespace Qt::Literals::StringLiterals;
+
 MetadataModel::MetadataModel(QObject *parent)
     : QAbstractItemModel(parent)
 {
@@ -37,131 +39,131 @@ void MetadataModel::setFile(const QString &imageFilePath)
     const QString & imageDimensionsString = imageSize(imgReader.size());
     const QString & imageRatioString = imageSizeRatio(imgReader.size());
 
-    appendSection(QStringLiteral("Description"), tr("Description", "Section name."));
-    appendSection(QStringLiteral("Origin"), tr("Origin", "Section name."));
-    appendSection(QStringLiteral("Image"), tr("Image", "Section name."));
-    appendSection(QStringLiteral("Camera"), tr("Camera", "Section name."));
-    appendSection(QStringLiteral("AdvancedPhoto"), tr("Advanced photo", "Section name."));
-    appendSection(QStringLiteral("GPS"), tr("GPS", "Section name."));
-    appendSection(QStringLiteral("File"), tr("File", "Section name."));
+    appendSection(u"Description"_s, tr("Description", "Section name."));
+    appendSection(u"Origin"_s, tr("Origin", "Section name."));
+    appendSection(u"Image"_s, tr("Image", "Section name."));
+    appendSection(u"Camera"_s, tr("Camera", "Section name."));
+    appendSection(u"AdvancedPhoto"_s, tr("Advanced photo", "Section name."));
+    appendSection(u"GPS"_s, tr("GPS", "Section name."));
+    appendSection(u"File"_s, tr("File", "Section name."));
 
     if (imgReader.supportsOption(QImageIOHandler::Size)) {
-        appendProperty(QStringLiteral("Image"), QStringLiteral("Image.Dimensions"),
+        appendProperty(u"Image"_s, u"Image.Dimensions"_s,
                        tr("Dimensions"), imageDimensionsString);
-        appendProperty(QStringLiteral("Image"), QStringLiteral("Image.SizeRatio"),
+        appendProperty(u"Image"_s, u"Image.SizeRatio"_s,
                        tr("Aspect ratio"), imageRatioString);
     }
     if (imgReader.supportsAnimation() && imgReader.imageCount() > 1) {
-        appendProperty(QStringLiteral("Image"), QStringLiteral("Image.FrameCount"),
+        appendProperty(u"Image"_s, u"Image.FrameCount"_s,
                        tr("Frame count"), QString::number(imgReader.imageCount()));
     }
 
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.Name"),
+    appendProperty(u"File"_s, u"File.Name"_s,
                    tr("Name"), fileInfo.fileName());
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.ItemType"),
+    appendProperty(u"File"_s, u"File.ItemType"_s,
                    tr("Item type"), itemTypeString);
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.Path"),
+    appendProperty(u"File"_s, u"File.Path"_s,
                    tr("Folder path"), QDir::toNativeSeparators(fileInfo.path()));
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.Size"),
+    appendProperty(u"File"_s, u"File.Size"_s,
                    tr("Size"), sizeString);
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.CreatedTime"),
+    appendProperty(u"File"_s, u"File.CreatedTime"_s,
                    tr("Date created"), birthTimeString);
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.LastModified"),
+    appendProperty(u"File"_s, u"File.LastModified"_s,
                    tr("Date modified"), lastModifiedTimeString);
 
     Exiv2Wrapper wrapper;
     if (wrapper.load(imageFilePath)) {
         wrapper.cacheSections();
 
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Description"),
-                                  QStringLiteral("Xmp.dc.title"), tr("Title"), true);
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Description"),
-                                  QStringLiteral("Exif.Image.ImageDescription"), tr("Subject"), true);
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Description"),
-                                  QStringLiteral("Exif.Image.Rating"), tr("Rating"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Description"),
-                                  QStringLiteral("Xmp.dc.subject"), tr("Tags"));
-        appendPropertyIfNotEmpty(QStringLiteral("Description"), QStringLiteral("Description.Comments"),
+        appendExivPropertyIfExist(wrapper, u"Description"_s,
+                                  u"Xmp.dc.title"_s, tr("Title"), true);
+        appendExivPropertyIfExist(wrapper, u"Description"_s,
+                                  u"Exif.Image.ImageDescription"_s, tr("Subject"), true);
+        appendExivPropertyIfExist(wrapper, u"Description"_s,
+                                  u"Exif.Image.Rating"_s, tr("Rating"));
+        appendExivPropertyIfExist(wrapper, u"Description"_s,
+                                  u"Xmp.dc.subject"_s, tr("Tags"));
+        appendPropertyIfNotEmpty(u"Description"_s, u"Description.Comments"_s,
                                  tr("Comments"), wrapper.comment());
 
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Origin"),
-                                  QStringLiteral("Exif.Image.Artist"), tr("Authors"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Origin"),
-                                  QStringLiteral("Exif.Photo.DateTimeOriginal"), tr("Date taken"));
+        appendExivPropertyIfExist(wrapper, u"Origin"_s,
+                                  u"Exif.Image.Artist"_s, tr("Authors"));
+        appendExivPropertyIfExist(wrapper, u"Origin"_s,
+                                  u"Exif.Photo.DateTimeOriginal"_s, tr("Date taken"));
         // FIXME: We may fetch the same type of metadata from different metadata collection.
         //        Current implementation is not pretty and may need to do a rework...
         // appendExivPropertyIfExist(wrapper, QStringLiteral("Origin"),
         //                                  QStringLiteral("Xmp.xmp.CreatorTool"), tr("Program name"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Origin"),
-                                  QStringLiteral("Exif.Image.Software"), tr("Program name"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Origin"),
-                                  QStringLiteral("Exif.Image.Copyright"), tr("Copyright"));
+        appendExivPropertyIfExist(wrapper, u"Origin"_s,
+                                  u"Exif.Image.Software"_s, tr("Program name"));
+        appendExivPropertyIfExist(wrapper, u"Origin"_s,
+                                  u"Exif.Image.Copyright"_s, tr("Copyright"));
 
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Image"),
-                                  QStringLiteral("Exif.Image.XResolution"), tr("Horizontal resolution"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Image"),
-                                  QStringLiteral("Exif.Image.YResolution"), tr("Vertical resolution"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Image"),
-                                  QStringLiteral("Exif.Image.ResolutionUnit"), tr("Resolution unit"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Image"),
-                                  QStringLiteral("Exif.Photo.ColorSpace"), tr("Colour representation"));
+        appendExivPropertyIfExist(wrapper, u"Image"_s,
+                                  u"Exif.Image.XResolution"_s, tr("Horizontal resolution"));
+        appendExivPropertyIfExist(wrapper, u"Image"_s,
+                                  u"Exif.Image.YResolution"_s, tr("Vertical resolution"));
+        appendExivPropertyIfExist(wrapper, u"Image"_s,
+                                  u"Exif.Image.ResolutionUnit"_s, tr("Resolution unit"));
+        appendExivPropertyIfExist(wrapper, u"Image"_s,
+                                  u"Exif.Photo.ColorSpace"_s, tr("Colour representation"));
 
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Image.Make"), tr("Camera maker"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Image.Model"), tr("Camera model"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.FNumber"), tr("F-stop"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.ExposureTime"), tr("Exposure time"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.ISOSpeedRatings"), tr("ISO speed"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.ExposureBiasValue"), tr("Exposure bias"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.FocalLength"), tr("Focal length"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.MaxApertureValue"), tr("Max aperture"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.MeteringMode"), tr("Metering mode"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.SubjectDistance"), tr("Subject distance"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.Flash"), tr("Flash mode"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("Camera"),
-                                  QStringLiteral("Exif.Photo.FocalLengthIn35mmFilm"), tr("35mm focal length"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Image.Make"_s, tr("Camera maker"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Image.Model"_s, tr("Camera model"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.FNumber"_s, tr("F-stop"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.ExposureTime"_s, tr("Exposure time"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.ISOSpeedRatings"_s, tr("ISO speed"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.ExposureBiasValue"_s, tr("Exposure bias"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.FocalLength"_s, tr("Focal length"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.MaxApertureValue"_s, tr("Max aperture"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.MeteringMode"_s, tr("Metering mode"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.SubjectDistance"_s, tr("Subject distance"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.Flash"_s, tr("Flash mode"));
+        appendExivPropertyIfExist(wrapper, u"Camera"_s,
+                                  u"Exif.Photo.FocalLengthIn35mmFilm"_s, tr("35mm focal length"));
 
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.LensModel"), tr("Lens model"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.Contrast"), tr("Contrast"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.BrightnessValue"), tr("Brightness"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.ExposureProgram"), tr("Exposure program"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.Saturation"), tr("Saturation"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.Sharpness"), tr("Sharpness"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.WhiteBalance"), tr("White balance"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.DigitalZoomRatio"), tr("Digital zoom"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("AdvancedPhoto"),
-                                  QStringLiteral("Exif.Photo.ExifVersion"), tr("EXIF version"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.LensModel"_s, tr("Lens model"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.Contrast"_s, tr("Contrast"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.BrightnessValue"_s, tr("Brightness"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.ExposureProgram"_s, tr("Exposure program"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.Saturation"_s, tr("Saturation"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.Sharpness"_s, tr("Sharpness"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.WhiteBalance"_s, tr("White balance"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.DigitalZoomRatio"_s, tr("Digital zoom"));
+        appendExivPropertyIfExist(wrapper, u"AdvancedPhoto"_s,
+                                  u"Exif.Photo.ExifVersion"_s, tr("EXIF version"));
 
-        appendExivPropertyIfExist(wrapper, QStringLiteral("GPS"),
-                                  QStringLiteral("Exif.GPSInfo.GPSLatitudeRef"), tr("Latitude reference"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("GPS"),
-                                  QStringLiteral("Exif.GPSInfo.GPSLatitude"), tr("Latitude"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("GPS"),
-                                  QStringLiteral("Exif.GPSInfo.GPSLongitudeRef"), tr("Longitude reference"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("GPS"),
-                                  QStringLiteral("Exif.GPSInfo.GPSLongitude"), tr("Longitude"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("GPS"),
-                                  QStringLiteral("Exif.GPSInfo.GPSAltitudeRef"), tr("Altitude reference"));
-        appendExivPropertyIfExist(wrapper, QStringLiteral("GPS"),
-                                  QStringLiteral("Exif.GPSInfo.GPSAltitude"), tr("Altitude"));
+        appendExivPropertyIfExist(wrapper, u"GPS"_s,
+                                  u"Exif.GPSInfo.GPSLatitudeRef"_s, tr("Latitude reference"));
+        appendExivPropertyIfExist(wrapper, u"GPS"_s,
+                                  u"Exif.GPSInfo.GPSLatitude"_s, tr("Latitude"));
+        appendExivPropertyIfExist(wrapper, u"GPS"_s,
+                                  u"Exif.GPSInfo.GPSLongitudeRef"_s, tr("Longitude reference"));
+        appendExivPropertyIfExist(wrapper, u"GPS"_s,
+                                  u"Exif.GPSInfo.GPSLongitude"_s, tr("Longitude"));
+        appendExivPropertyIfExist(wrapper, u"GPS"_s,
+                                  u"Exif.GPSInfo.GPSAltitudeRef"_s, tr("Altitude reference"));
+        appendExivPropertyIfExist(wrapper, u"GPS"_s,
+                                  u"Exif.GPSInfo.GPSAltitude"_s, tr("Altitude"));
 
     }
 }

app/navigatorview.cpp

@@ -5,20 +5,22 @@
 #include "navigatorview.h"
 
 #include "graphicsview.h"
-#include "opacityhelper.h"
 
+#include <QStyleHints>
+#include <QOperatingSystemVersion>
 #include <QMouseEvent>
 #include <QDebug>
+#include <QTimer>
 
 NavigatorView::NavigatorView(QWidget *parent)
     : QGraphicsView (parent)
     , m_viewportRegion(this->rect())
-    , m_opacityHelper(new OpacityHelper(this))
 {
     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    setStyleSheet("background-color: rgba(0, 0, 0, 120);"
-                  "border-radius: 3px;");
+
+    updateStyle(qGuiApp->styleHints()->colorScheme());
+    connect(qGuiApp->styleHints(), &QStyleHints::colorSchemeChanged, this, &NavigatorView::updateStyle);
 }
 
 // doesn't take or manage its ownership
@@ -27,16 +29,48 @@ void NavigatorView::setMainView(GraphicsView *mainView)
     m_mainView = mainView;
 }
 
-void NavigatorView::setOpacity(qreal opacity, bool animated)
-{
-    m_opacityHelper->setOpacity(opacity, animated);
-}
-
 void NavigatorView::updateMainViewportRegion()
 {
-    if (m_mainView != nullptr) {
-        m_viewportRegion = mapFromScene(m_mainView->mapToScene(m_mainView->rect()));
-        update();
+    // Use QTimer::singleShot with lambda to delay the update
+    // This ensures all geometry updates are complete before calculating viewport region
+    QTimer::singleShot(0, [this]() {
+        if (m_mainView != nullptr) {
+            m_viewportRegion = mapFromScene(m_mainView->mapToScene(m_mainView->rect()));
+            update();
+        }
+    });
+}
+
+void NavigatorView::updateStyle(Qt::ColorScheme colorScheme) {
+    // YYC MARK:
+    // If we are using Windows 10 and lower system or Qt which do not support "Windows 11"
+    // theme (lower than Qt 6.7), we should only support light mode.
+    // Because Qt's dark-mode-aware "Windows 11" theme is only well-supported on Windows 11.
+#if defined(Q_OS_WIN)
+#if QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
+    colorScheme = Qt::ColorScheme::Light;
+#else
+    if (QOperatingSystemVersion::current() < QOperatingSystemVersion::Windows11) {
+        colorScheme = Qt::ColorScheme::Light;
+    }
+#endif // QT_VERSION < QT_VERSION_CHECK(6, 7, 0)
+#endif // defined(Q_OS_WIN)
+
+    switch (colorScheme) {
+    case Qt::ColorScheme::Dark:
+    setStyleSheet(R"#(
+border-style: none;
+background-color: rgba(255, 255, 255, 70);
+)#");
+        break;
+    case Qt::ColorScheme::Light:
+    case Qt::ColorScheme::Unknown:
+    default:
+        setStyleSheet(R"#(
+border-style: none;
+background-color: rgba(0, 0, 0, 70);
+)#");
+        break;
     }
 }
 

app/navigatorview.h

@@ -7,7 +7,6 @@
 
 #include <QGraphicsView>
 
-class OpacityHelper;
 class GraphicsView;
 class NavigatorView : public QGraphicsView
 {
@@ -16,11 +15,13 @@ public:
     NavigatorView(QWidget *parent = nullptr);
 
     void setMainView(GraphicsView *mainView);
-    void setOpacity(qreal opacity, bool animated = true);
 
 public slots:
     void updateMainViewportRegion();
 
+private slots:
+    void updateStyle(Qt::ColorScheme colorScheme);
+
 private:
     void mousePressEvent(QMouseEvent * event) override;
     void mouseMoveEvent(QMouseEvent * event) override;
@@ -32,7 +33,6 @@ private:
     bool m_mouseDown = false;
     QPolygon m_viewportRegion;
     QGraphicsView *m_mainView = nullptr;
-    OpacityHelper *m_opacityHelper = nullptr;
 };
 
 #endif // NAVIGATORVIEW_H

app/opacityhelper.cpp

@@ -1,31 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "opacityhelper.h"
-
-#include <QGraphicsOpacityEffect>
-#include <QPropertyAnimation>
-
-OpacityHelper::OpacityHelper(QWidget *parent)
-    : QObject(parent)
-    , m_opacityFx(new QGraphicsOpacityEffect(parent))
-    , m_opacityAnimation(new QPropertyAnimation(m_opacityFx, "opacity"))
-{
-    parent->setGraphicsEffect(m_opacityFx);
-
-    m_opacityAnimation->setDuration(300);
-}
-
-void OpacityHelper::setOpacity(qreal opacity, bool animated)
-{
-    if (!animated) {
-        m_opacityFx->setOpacity(opacity);
-        return;
-    }
-
-    m_opacityAnimation->stop();
-    m_opacityAnimation->setStartValue(m_opacityFx->opacity());
-    m_opacityAnimation->setEndValue(opacity);
-    m_opacityAnimation->start();
-}

app/opacityhelper.h

@@ -1,27 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef OPACITYHELPER_H
-#define OPACITYHELPER_H
-
-#include <QWidget>
-
-QT_BEGIN_NAMESPACE
-class QGraphicsOpacityEffect;
-class QPropertyAnimation;
-QT_END_NAMESPACE
-
-class OpacityHelper : QObject
-{
-public:
-    OpacityHelper(QWidget * parent);
-
-    void setOpacity(qreal opacity, bool animated = true);
-
-protected:
-    QGraphicsOpacityEffect * m_opacityFx;
-    QPropertyAnimation * m_opacityAnimation;
-};
-
-#endif // OPACITYHELPER_H

app/playlistmanager.cpp

@@ -3,158 +3,20 @@
 // SPDX-License-Identifier: MIT
 
 #include "playlistmanager.h"
+#include "playlistscout.h"
 
 #include <QCollator>
 #include <QDir>
 #include <QFileInfo>
 #include <QUrl>
 
-PlaylistModel::PlaylistModel(QObject *parent)
-    : QAbstractListModel(parent)
-{
-
-}
-
-PlaylistModel::~PlaylistModel()
-= default;
-
-void PlaylistModel::setPlaylist(const QList<QUrl> &urls)
-{
-    beginResetModel();
-    m_playlist = urls;
-    endResetModel();
-}
-
-QModelIndex PlaylistModel::loadPlaylist(const QList<QUrl> & urls)
-{
-    if (urls.isEmpty()) return {};
-    if (urls.count() == 1) {
-        return loadPlaylist(urls.constFirst());
-    } else {
-        setPlaylist(urls);
-        return index(0);
-    }
-}
-
-QModelIndex PlaylistModel::loadPlaylist(const QUrl &url)
-{
-    QFileInfo info(url.toLocalFile());
-    QDir dir(info.path());
-    QString && currentFileName = info.fileName();
-
-    if (dir.path() == m_currentDir) {
-        int idx = indexOf(url);
-        return idx == -1 ? appendToPlaylist(url) : index(idx);
-    }
-
-    QStringList entryList = dir.entryList(
-        m_autoLoadSuffixes,
-        QDir::Files | QDir::NoSymLinks, QDir::NoSort);
-
-    QCollator collator;
-    collator.setNumericMode(true);
-
-    std::sort(entryList.begin(), entryList.end(), collator);
-
-    QList<QUrl> playlist;
-
-    int idx = -1;
-    for (int i = 0; i < entryList.count(); i++) {
-        const QString & fileName = entryList.at(i);
-        const QString & oneEntry = dir.absoluteFilePath(fileName);
-        const QUrl & url = QUrl::fromLocalFile(oneEntry);
-        playlist.append(url);
-        if (fileName == currentFileName) {
-            idx = i;
-        }
-    }
-    if (idx == -1) {
-        idx = playlist.count();
-        playlist.append(url);
-    }
-    m_currentDir = dir.path();
-
-    setPlaylist(playlist);
-
-    return index(idx);
-}
-
-QModelIndex PlaylistModel::appendToPlaylist(const QUrl &url)
-{
-    const int lastIndex = rowCount();
-    beginInsertRows(QModelIndex(), lastIndex, lastIndex);
-    m_playlist.append(url);
-    endInsertRows();
-    return index(lastIndex);
-}
-
-bool PlaylistModel::removeAt(int index)
-{
-    if (index < 0 || index >= rowCount()) return false;
-    beginRemoveRows(QModelIndex(), index, index);
-    m_playlist.removeAt(index);
-    endRemoveRows();
-    return true;
-}
-
-int PlaylistModel::indexOf(const QUrl &url) const
-{
-    return m_playlist.indexOf(url);
-}
-
-QUrl PlaylistModel::urlByIndex(int index) const
-{
-    return m_playlist.value(index);
-}
-
-QStringList PlaylistModel::autoLoadFilterSuffixes() const
-{
-    return m_autoLoadSuffixes;
-}
-
-QHash<int, QByteArray> PlaylistModel::roleNames() const
-{
-    QHash<int, QByteArray> result = QAbstractListModel::roleNames();
-    result.insert(UrlRole, "url");
-    return result;
-}
-
-int PlaylistModel::rowCount(const QModelIndex &parent) const
-{
-    return m_playlist.count();
-}
-
-QVariant PlaylistModel::data(const QModelIndex &index, int role) const
-{
-    if (!index.isValid()) return {};
-
-    switch (role) {
-    case Qt::DisplayRole:
-        return m_playlist.at(index.row()).fileName();
-    case UrlRole:
-        return m_playlist.at(index.row());
-    }
-
-    return {};
-}
-
 PlaylistManager::PlaylistManager(QObject *parent)
     : QObject(parent)
+    , m_currentIndex(std::nullopt)
+    , m_playlist()
+    , m_allowedSuffixes()
 {
-    connect(&m_model, &PlaylistModel::rowsRemoved, this,
-            [this](const QModelIndex &, int, int) {
-                if (m_model.rowCount() <= m_currentIndex) {
-                    setProperty("currentIndex", m_currentIndex - 1);
-                }
-            });
 
-    auto onRowCountChanged = [this](){
-        emit totalCountChanged(m_model.rowCount());
-    };
-
-    connect(&m_model, &PlaylistModel::rowsInserted, this, onRowCountChanged);
-    connect(&m_model, &PlaylistModel::rowsRemoved, this, onRowCountChanged);
-    connect(&m_model, &PlaylistModel::modelReset, this, onRowCountChanged);
 }
 
 PlaylistManager::~PlaylistManager()
@@ -162,92 +24,272 @@ PlaylistManager::~PlaylistManager()
 
 }
 
-PlaylistModel *PlaylistManager::model()
-{
-    return &m_model;
+// region: Allowed Suffixes Operations
+
+const QStringList& PlaylistManager::allowedSuffixes() const {
+    return m_allowedSuffixes;
 }
 
-void PlaylistManager::setPlaylist(const QList<QUrl> &urls)
-{
-    m_model.setPlaylist(urls);
+void PlaylistManager::setAllowedSuffixes(const QStringList& nameFilters) {
+    m_allowedSuffixes = nameFilters;
+    emit allowedSuffixesChanged(m_allowedSuffixes);
 }
 
-QModelIndex PlaylistManager::loadPlaylist(const QList<QUrl> &urls)
-{
-    QModelIndex idx = m_model.loadPlaylist(urls);
-    setProperty("currentIndex", idx.row());
-    return idx;
+// endregion
+
+// region: Playlist Loader and Reset
+
+bool PlaylistManager::loadPlaylist(const QStringList& files) {
+    // Convert string list to url list first
+    QList<QUrl> urls;
+    for (const QString & file : std::as_const(files)) {
+        urls.append(urlFromString(file));
+    }
+
+    return loadPlaylist(urls);
 }
 
-QModelIndex PlaylistManager::loadPlaylist(const QUrl &url)
-{
-    QModelIndex idx = m_model.loadPlaylist(url);
-    setProperty("currentIndex", idx.row());
-    return idx;
-}
-
-int PlaylistManager::totalCount() const
-{
-    return m_model.rowCount();
-}
-
-QModelIndex PlaylistManager::previousIndex() const
-{
-    int count = totalCount();
-    if (count == 0) return {};
-
-    return m_model.index(m_currentIndex - 1 < 0 ? count - 1 : m_currentIndex - 1);
-}
-
-QModelIndex PlaylistManager::nextIndex() const
-{
-    int count = totalCount();
-    if (count == 0) return {};
-
-    return m_model.index(m_currentIndex + 1 == count ? 0 : m_currentIndex + 1);
-}
-
-QModelIndex PlaylistManager::curIndex() const
-{
-    return m_model.index(m_currentIndex);
-}
-
-void PlaylistManager::setCurrentIndex(const QModelIndex &index)
-{
-    if (index.isValid() && index.row() >= 0 && index.row() < totalCount()) {
-        setProperty("currentIndex", index.row());
+bool PlaylistManager::loadPlaylist(const QList<QUrl>& urls) {
+    // Check its count, and check M3U8 playlist for single file case.
+    if (urls.isEmpty()) {
+        clearPlaylist();
+        return true;
+    } else if (urls.count() == 1) {
+        const QUrl& firstUrl = urls.first();
+        const QString lowerCaseUrlPath(firstUrl.path().toLower());
+        if (lowerCaseUrlPath.endsWith(".m3u8") || lowerCaseUrlPath.endsWith(".m3u")) {
+            return loadM3U8Playlist(firstUrl);
+        } else {
+            return loadSingleFilePlaylist(firstUrl);
+        }
+    } else {
+        return loadMultipleFilesPlaylist(std::move(urls));
     }
 }
 
-QUrl PlaylistManager::urlByIndex(const QModelIndex &index)
-{
-    return m_model.urlByIndex(index.row());
+bool PlaylistManager::loadSingleFilePlaylist(const QUrl& url) {
+    // Check URL at first
+    if (!checkUrl(url))
+        return false;
+
+    // Scout playlist by given file
+    auto scoutResult = PlaylistScout::scout(url, m_allowedSuffixes);
+    if (!scoutResult.has_value()) {
+        return false;
+    }
+
+    // Setup playlist with index
+    setPlaylist(std::move(scoutResult->playlist), scoutResult->indexHint);
+    return true;
 }
 
-QString PlaylistManager::localFileByIndex(const QModelIndex &index)
+bool PlaylistManager::loadMultipleFilesPlaylist(const QList<QUrl>&& urls) {
+    // Check all of them are valid
+    for (const auto& url : std::as_const(urls)) {
+        if (!checkUrl(url)) {
+            return false;
+        }
+    }
+
+    // Set playlist and return
+    setPlaylist(std::move(urls));
+    return true;
+}
+
+bool PlaylistManager::loadM3U8Playlist(const QUrl& url) {
+    // Check URL at first
+    if (!checkUrl(url))
+        return false;
+
+    QList<QUrl> urls;
+    QFile file(url.toLocalFile());
+    if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        while (!file.atEnd()) {
+            QString line = file.readLine();
+            if (line.startsWith('#')) {
+                continue;
+            }
+            QFileInfo fileInfo(file);
+            QUrl item = QUrl::fromUserInput(line, fileInfo.absolutePath());
+            if (!checkUrl(item)) {
+                return false;
+            }
+            urls.append(item);
+        }
+    } else {
+        return false;
+    }
+
+    setPlaylist(std::move(urls));
+    return true;
+}
+
+void PlaylistManager::setPlaylist(const QList<QUrl>&& urls, std::optional<qsizetype> indexHint) {
+    // Setup playlist
+    m_playlist = std::move(urls);
+
+    // Set index with hint
+    if (indexHint.has_value()) {
+        m_currentIndex = *indexHint;
+    }
+    sanitizeIndex();
+
+    // Raise signal
+    emit playlistChanged(totalCount());
+}
+
+void PlaylistManager::clearPlaylist() {
+    m_playlist.clear();
+    sanitizeIndex();
+    emit playlistChanged(this->totalCount());
+}
+
+// endregion
+
+// region: Playlist Operations
+
+void PlaylistManager::appendToPlaylist(const QString &file)
+{
+    return appendToPlaylist(urlFromString(file));
+}
+
+void PlaylistManager::appendToPlaylist(const QUrl &url)
+{
+    m_playlist.append(url);
+    sanitizeIndex();
+    emit playlistChanged(totalCount());
+}
+
+bool PlaylistManager::insertIntoPlaylist(qsizetype index, const QString &file)
+{
+    return insertIntoPlaylist(index, urlFromString(file));
+}
+
+bool PlaylistManager::insertIntoPlaylist(qsizetype index, const QUrl &url)
+{
+    if (index < 0 || index > totalCount()) {
+        return false;
+    } else {
+        m_playlist.insert(index, url);
+        sanitizeIndex();
+        emit playlistChanged(totalCount());
+        return true;
+    }
+}
+
+bool PlaylistManager::removeFromPlaylist(qsizetype index)
+{
+    if (index < 0 || index >= totalCount()) {
+        return false;
+    } else {
+        m_playlist.removeAt(index);
+        sanitizeIndex();
+        emit playlistChanged(totalCount());
+        return true;
+    }
+}
+
+// endregion
+
+// region: Index Operations
+
+qsizetype PlaylistManager::totalCount() const
+{
+    return m_playlist.count();
+}
+
+std::optional<qsizetype> PlaylistManager::previousIndex() const
+{
+    if (!m_currentIndex.has_value() || totalCount() <= 0) return std::nullopt;
+    return (isFirstIndex() ? totalCount() - 1 : *m_currentIndex - 1);
+}
+
+std::optional<qsizetype> PlaylistManager::nextIndex() const
+{
+    if (!m_currentIndex.has_value() || totalCount() <= 0) return std::nullopt;
+    return (isLastIndex() ? 0 : *m_currentIndex + 1);
+}
+
+bool PlaylistManager::isFirstIndex() const
+{
+    return m_currentIndex.has_value() && *m_currentIndex == 0;
+}
+
+bool PlaylistManager::isLastIndex() const
+{
+    return m_currentIndex.has_value() && *m_currentIndex + 1 == totalCount();
+}
+
+std::optional<qsizetype> PlaylistManager::currentIndex() const
+{
+    return m_currentIndex;
+}
+
+bool PlaylistManager::setCurrentIndex(qsizetype index)
+{
+    if (!m_currentIndex.has_value()) {
+        return false;
+    }
+    if (index < 0 || index >= totalCount()) {
+        return false;
+    }
+    if (*m_currentIndex == index) {
+        return true;
+    }
+
+    m_currentIndex = index;
+    emit currentIndexChanged(index);
+    return true;
+}
+
+QUrl PlaylistManager::urlByIndex(qsizetype index) const
+{
+    return m_playlist.value(index);
+}
+
+QString PlaylistManager::localFileByIndex(qsizetype index) const
 {
     return urlByIndex(index).toLocalFile();
 }
 
-bool PlaylistManager::removeAt(const QModelIndex &index)
-{
-    return m_model.removeAt(index.row());
-}
+// endregion
 
-void PlaylistManager::setAutoLoadFilterSuffixes(const QStringList &nameFilters)
-{
-    m_model.setProperty("autoLoadFilterSuffixes", nameFilters);
-}
+// region: Misc
 
-QList<QUrl> PlaylistManager::convertToUrlList(const QStringList &files)
+void PlaylistManager::sanitizeIndex()
 {
-    QList<QUrl> urlList;
-    for (const QString & str : std::as_const(files)) {
-        QUrl url = QUrl::fromLocalFile(str);
-        if (url.isValid()) {
-            urlList.append(url);
+    auto cnt = totalCount();
+    if (cnt == 0) {
+        // If playlist is empty, current index should be invalid.
+        m_currentIndex = std::nullopt;
+    } else {
+        if (m_currentIndex.has_value()) {
+            // Clamp current index in playlist range.
+            // If it is already in range, not change was done.
+            auto currentIndex = *m_currentIndex;
+            if (currentIndex < 0) {
+                m_currentIndex = 0;
+            } else if (currentIndex >= cnt) {
+                m_currentIndex = cnt - 1;
+            } else {
+                ; // No change.
+            }
+        } else {
+            // If there is no set value for current index,
+            // set it at the beginning of playlist.
+            m_currentIndex = 0;
         }
     }
-
-    return urlList;
 }
+
+bool PlaylistManager::checkUrl(const QUrl& url)
+{
+    return url.isValid() && url.isLocalFile();
+}
+
+QUrl PlaylistManager::urlFromString(const QString& file)
+{
+    return QUrl::fromLocalFile(file);
+}
+
+// endregion

app/playlistmanager.h

@@ -5,81 +5,126 @@
 #pragma once
 
 #include <QUrl>
-#include <QAbstractListModel>
-
-class PlaylistModel : public QAbstractListModel
-{
-    Q_OBJECT
-public:
-    enum PlaylistRole {
-        UrlRole = Qt::UserRole
-    };
-    Q_ENUM(PlaylistRole)
-    Q_PROPERTY(QStringList autoLoadFilterSuffixes MEMBER m_autoLoadSuffixes NOTIFY autoLoadFilterSuffixesChanged)
-
-    explicit PlaylistModel(QObject *parent = nullptr);
-    ~PlaylistModel() override;
-
-    void setPlaylist(const QList<QUrl> & urls);
-    QModelIndex loadPlaylist(const QList<QUrl> & urls);
-    QModelIndex loadPlaylist(const QUrl & url);
-    QModelIndex appendToPlaylist(const QUrl & url);
-    bool removeAt(int index);
-    int indexOf(const QUrl & url) const;
-    QUrl urlByIndex(int index) const;
-    QStringList autoLoadFilterSuffixes() const;
-
-    QHash<int, QByteArray> roleNames() const override;
-    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
-    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
-
-signals:
-    void autoLoadFilterSuffixesChanged(QStringList suffixes);
-
-private:
-    // model data
-    QList<QUrl> m_playlist;
-    // properties
-    QStringList m_autoLoadSuffixes = {};
-    // internal
-    QString m_currentDir;
-};
+#include <QObject>
+#include <optional>
 
+/// The manager of playlist.
 class PlaylistManager : public QObject
 {
     Q_OBJECT
 public:
-    Q_PROPERTY(int currentIndex MEMBER m_currentIndex NOTIFY currentIndexChanged)
-    Q_PROPERTY(QStringList autoLoadFilterSuffixes WRITE setAutoLoadFilterSuffixes)
-    Q_PROPERTY(PlaylistModel * model READ model CONSTANT)
-
-    explicit PlaylistManager(QObject *parent = nullptr);
+    /// Constructs a PlaylistManager with an optional parent QObject.
+    explicit PlaylistManager(QObject* parent = nullptr);
+    /// Destructor.
     ~PlaylistManager();
 
-    PlaylistModel * model();
+    /// Get the allowed file suffixes of this playlist.
+    /// @return The current list of allowed suffixes.
+    const QStringList& allowedSuffixes() const;
+    /// Set the allowed file suffixes of this playlist.
+    /// @remark This only works for "load the whole directory by one file" case.
+    /// @param[in] nameFilters The new list of allowed suffixes.
+    void setAllowedSuffixes(const QStringList& nameFilters);
 
-    void setPlaylist(const QList<QUrl> & url);
-    Q_INVOKABLE QModelIndex loadPlaylist(const QList<QUrl> & urls);
-    Q_INVOKABLE QModelIndex loadPlaylist(const QUrl & url);
+    /// Load user specified files as playlist.
+    /// @remark The wrapper for another overload.
+    /// @return True for successful load, otherwise false.
+    bool loadPlaylist(const QStringList& files);
+    /// Load user specified URLs as playlist.
+    /// @remark This function automatically dispatch these files into correct sub-load functions.
+    /// @return True for successful load, otherwise false.
+    bool loadPlaylist(const QList<QUrl>& urls);
+    /// Clear the entire playlist and reset current index.
+    void clearPlaylist();
 
-    int totalCount() const;
-    QModelIndex previousIndex() const;
-    QModelIndex nextIndex() const;
-    QModelIndex curIndex() const;
-    void setCurrentIndex(const QModelIndex & index);
-    QUrl urlByIndex(const QModelIndex & index);
-    QString localFileByIndex(const QModelIndex & index);
-    bool removeAt(const QModelIndex & index);
+    /// Append a local file path to the playlist.
+    void appendToPlaylist(const QString& file);
+    /// Append a URL to the playlist.
+    void appendToPlaylist(const QUrl& url);
+    /// Insert a local file path at the given index.
+    /// @return True if inserted successfully, false if index is out of range.
+    bool insertIntoPlaylist(qsizetype index, const QString& file);
+    /// Insert a URL at the given index.
+    /// @return True if inserted successfully, false if index is out of range.
+    bool insertIntoPlaylist(qsizetype index, const QUrl& url);
+    /// Remove the entry at the given index.
+    /// @return True if removed successfully, false if index is out of range.
+    bool removeFromPlaylist(qsizetype index);
 
-    void setAutoLoadFilterSuffixes(const QStringList &nameFilters);
-
-    static QList<QUrl> convertToUrlList(const QStringList & files);
+    /// Returns the total number of items in the playlist.
+    /// @return Total count of entries in the playlist.
+    qsizetype totalCount() const;
+    /// Try fetching previous index.
+    /// @details This previous index is gallery-loop-aware.
+    /// @return std::nullopt if playlist is empty, otherwise the previous index considering gallery loop.
+    std::optional<qsizetype> previousIndex() const;
+    /// Try fetching next index.
+    /// @details This next index is gallery-loop-aware.
+    /// @return std::nullopt if playlist is empty, otherwise the next index considering gallery loop.
+    std::optional<qsizetype> nextIndex() const;
+    /// Check whether current index is the first index.
+    /// @return False if current index is not the first index or playlist is empty, otherwise true.
+    bool isFirstIndex() const;
+    /// Check whether current index is the last index.
+    /// @return False if current index is not the last index or playlist is empty, otherwise true.
+    bool isLastIndex() const;
+    /// Returns the current index.
+    /// @return std::nullopt if the playlist is empty, otherwise the current index.
+    std::optional<qsizetype> currentIndex() const;
+    /// Set the current index.
+    /// @remark Index only can be set when playlist is not empty.
+    /// @return True if successful set, including "not changed" set, otherwise false.
+    /// This return value only indicates whether we can set index and given index is valid for setting.
+    /// If "no changed" set occurs, this function returns true, but doesn't raise current index changed signal.
+    bool setCurrentIndex(qsizetype index);
+    /// Returns the URL at the given index.
+    /// @return The URL if index is valid.
+    /// This class guarantee that this QUrl is pointing to a local file.
+    QUrl urlByIndex(qsizetype index) const;
+    /// Returns the local file path at the given index.
+    /// @return The local file path if index is valid.
+    /// This class guarantee that local file path always is valid.
+    QString localFileByIndex(qsizetype index) const;
 
 signals:
-    void currentIndexChanged(int index);
-    void totalCountChanged(int count);
+    void allowedSuffixesChanged(const QStringList& suffixes);
+    /// Raised when index was changed bu setter.
+    /// The argument holds the new current index.
+    /// Please note that this signal will NOT be raised by the whole playlist change caused index change.
+    void currentIndexChanged(qsizetype index);
+    /// The whole playlist was changed, involving loading, editing and deleting some or full entries.
+    /// The argument holds the total count of new play list.
+    void playlistChanged(qsizetype count);
 
 private:
-    int m_currentIndex = -1;
-    PlaylistModel m_model;
+    /// The fundamental playlist setter.
+    /// @details All playlist load functions will call this function to set playlist at last.
+    /// @param[in] urls ALl urls in this list should be checked by checkUrl() function.
+    /// @param[in] indexHint Try to set current index to this index if possible.
+    void setPlaylist(const QList<QUrl>&& urls, std::optional<qsizetype> indexHint = std::nullopt);
+    /// Load playlist from a single file.
+    /// @details This function scans the same directory for siblings matching allowed suffixes, sorted naturally.
+    /// @return True if the playlist was loaded successfully, false otherwise.
+    bool loadSingleFilePlaylist(const QUrl& url);
+    /// Load playlist from multiple URLs directly.
+    /// @return True if all URLs are valid, false otherwise.
+    bool loadMultipleFilesPlaylist(const QList<QUrl>&& urls);
+    /// Load playlist from an M3U/M3U8 playlist file.
+    /// @return True if loaded successfully, false otherwise.
+    bool loadM3U8Playlist(const QUrl& url);
+
+    /// Make sure that current index is valid.
+    /// @details This function usually is used by those functions manipulating playlist.
+    void sanitizeIndex();
+
+    /// Check whether given QUrl is proper to be put into playlist.
+    /// @details Only the url pointing to local file can be put into playlist.
+    static bool checkUrl(const QUrl& url);
+    /// Convert a string to local file into a QUrl.
+    /// @param[in] file The string pointing to local file.
+    static QUrl urlFromString(const QString& file);
+
+    std::optional<qsizetype> m_currentIndex;
+    QList<QUrl> m_playlist;
+    QStringList m_allowedSuffixes;
 };

app/playlistscout.cpp

@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: 2026 yyc12345 <yyc12321@outlook.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "playlistscout.h"
+
+#include "playlistscouts/qtscout.h"
+#include "playlistscouts/explorerscout.h"
+
+std::optional<PlaylistScout::ScoutResult> PlaylistScout::scout(
+    const QUrl &url, const QStringList &allowedSuffixes) {
+
+#ifdef Q_OS_WIN
+    // In Windows, Qt approach can not aware Windows Explorer custom sort order.
+    // So we need to try using Win32 functions for fetching it at first.
+    if (auto rv = PlaylistScout::Explorer::scout(url, allowedSuffixes); rv.has_value()) {
+        return rv;
+    }
+#endif // Q_OS_WIN
+
+    // TODO: We may add macOS Finder, KDE Dolphin and etc supports in future.
+
+    // Qt way is the last fallback.
+    return PlaylistScout::Qt::scout(url, allowedSuffixes);
+}

app/playlistscout.h

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: 2026 yyc12345 <yyc12321@outlook.com>
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include <QUrl>
+#include <QStringList>
+#include <QList>
+#include <optional>
+
+namespace PlaylistScout {
+    /// The result of scout
+    struct ScoutResult {
+        /// The final fetched playlist (it can be empty).
+        /// Each item must be a QUrl pointing to a local file.
+        QList<QUrl> playlist;
+        /// The index of given file located in playlist.
+        /// Nullopt if it is not presented in playlist.
+        std::optional<qsizetype> indexHint;
+    };
+
+    /// @brief Scout available image files in given file's parent dir with given allowed suffixes.
+    /// @param[in] url The path to file whose parent dir is our target dir for finding image files.
+    /// @param[in] allowedSuffixes 
+    /// Each items in this list is a wildcard pattern for matching allowed file name, like \c *.png .
+    /// The fetched item will be preserved if its name matching any of them.
+    /// If this list is empty, there is no restrictions for finding files.
+    /// @return Scout result if success, otherwise nullopt.
+    std::optional<ScoutResult> scout(const QUrl &url, const QStringList &allowedSuffixes);
+}

app/playlistscouts/explorerscout.cpp

@@ -0,0 +1,332 @@
+// SPDX-FileCopyrightText: 2026 yyc12345 <yyc12321@outlook.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "explorerscout.h"
+
+#ifdef Q_OS_WIN
+
+#include <QDir>
+#include <QDebug>
+#include <QFileInfo>
+#include <QRegularExpression>
+
+#include <optional>
+
+#include <exdisp.h>     // IShellWindows, CLSID_ShellWindows
+#include <servprov.h>   // IServiceProvider
+#include <shlguid.h>    // SID_STopLevelBrowser
+#include <shlobj.h>
+
+// YYC MARK:
+// We use custom RAII wrappers instead of existing COM smart pointers because the
+// project may be built with MinGW, which does not have good compatibility with
+// CComPtr and Microsoft's WRL ComPtr (<wrl/client.h>).
+// Furthermore, PIDLs are not COM objects (they are freed via ILFree, not Release),
+// so no standard smart pointer covers them regardless of compiler.
+
+/// RAII wrapper for COM initialization (CoInitialize / CoUninitialize).
+/// Must be declared before any COM objects (e.g., ComPtr, UniquePidl) so that
+/// CoUninitialize runs after all COM objects are released during scope exit.
+class ComGuard {
+public:
+    ComGuard() : m_hr(CoInitialize(nullptr)) {}
+    ~ComGuard() { if (SUCCEEDED(m_hr)) CoUninitialize(); }
+    ComGuard(const ComGuard&) = delete;
+    ComGuard& operator=(const ComGuard&) = delete;
+
+    bool IsInitialized() const { return SUCCEEDED(m_hr); }
+
+private:
+    HRESULT m_hr;
+};
+
+/// RAII wrapper for COM interface pointers.
+template <typename T>
+class ComPtr {
+public:
+    ComPtr() = default;
+    ComPtr(std::nullptr_t) {}
+    ~ComPtr() { Reset(); }
+    ComPtr(const ComPtr&) = delete;
+    ComPtr& operator=(const ComPtr&) = delete;
+    ComPtr(ComPtr&& other) noexcept : m_ptr(other.m_ptr) { other.m_ptr = nullptr; }
+    ComPtr& operator=(ComPtr&& other) noexcept {
+        if (this != &other) {
+            Reset();
+            m_ptr = other.m_ptr;
+            other.m_ptr = nullptr;
+        }
+        return *this;
+    }
+
+    T* operator->() const { return m_ptr; }
+    T* Get() const { return m_ptr; }
+    T** GetAddressOf() { return &m_ptr; }
+    explicit operator bool() const { return m_ptr != nullptr; }
+    void Reset() { if (m_ptr) { m_ptr->Release(); m_ptr = nullptr; } }
+
+private:
+    T* m_ptr = nullptr;
+};
+
+/// RAII wrapper for PIDL (Item ID List).
+class UniquePidl {
+public:
+    UniquePidl() = default;
+    explicit UniquePidl(LPITEMIDLIST pidl) : m_pidl(pidl) {}
+    ~UniquePidl() { Reset(); }
+    UniquePidl(const UniquePidl&) = delete;
+    UniquePidl& operator=(const UniquePidl&) = delete;
+    UniquePidl(UniquePidl&& other) noexcept : m_pidl(other.m_pidl) { other.m_pidl = nullptr; }
+    UniquePidl& operator=(UniquePidl&& other) noexcept {
+        if (this != &other) {
+            Reset();
+            m_pidl = other.m_pidl;
+            other.m_pidl = nullptr;
+        }
+        return *this;
+    }
+
+    LPCITEMIDLIST Get() const { return m_pidl; }
+    LPITEMIDLIST* GetAddressOf() { return &m_pidl; }
+    explicit operator bool() const { return m_pidl != nullptr; }
+    void Reset() { if (m_pidl) { ILFree(m_pidl); m_pidl = nullptr; } }
+
+private:
+    LPITEMIDLIST m_pidl = nullptr;
+};
+
+/// Outputs a diagnostic warning for debugging Windows Explorer integration failures.
+static void ReportError(const QString& detail)
+{
+    qWarning("Windows Explorer file list fetch error: %s",
+             qPrintable(detail));
+}
+
+/// Normalizes a Windows directory path for case-insensitive comparison:
+/// converts to native separators, lowercases, and ensures a trailing backslash.
+static QString NormalizePath(const QString& path)
+{
+    QString result = QDir::toNativeSeparators(path).toLower();
+    if (!result.endsWith(QChar('\\'))) {
+        result += QChar('\\');
+    }
+    return result;
+}
+
+/// Checks whether the Explorer window represented by the given IDispatch is
+/// displaying the target folder. Returns its IFolderView2 on match, or null.
+static ComPtr<IFolderView2> TryMatchWindow(IDispatch* dispatch, const QString& normalizedTarget)
+{
+    // Navigate: IDispatch -> IServiceProvider -> IShellBrowser.
+    ComPtr<IServiceProvider> serviceProvider;
+    if (FAILED(dispatch->QueryInterface(IID_PPV_ARGS(serviceProvider.GetAddressOf())))) {
+        return nullptr;
+    }
+
+    ComPtr<IShellBrowser> shellBrowser;
+    if (FAILED(serviceProvider->QueryService(SID_STopLevelBrowser,
+            IID_PPV_ARGS(shellBrowser.GetAddressOf())))) {
+        return nullptr;
+    }
+
+    // IShellBrowser -> active IShellView.
+    ComPtr<IShellView> shellView;
+    if (FAILED(shellBrowser->QueryActiveShellView(shellView.GetAddressOf()))) {
+        return nullptr;
+    }
+
+    // Retrieve the folder's path via IPersistIDList.
+    ComPtr<IPersistIDList> persistIdList;
+    if (FAILED(shellView->QueryInterface(IID_PPV_ARGS(persistIdList.GetAddressOf())))) {
+        return nullptr;
+    }
+
+    UniquePidl folderPidl;
+    if (FAILED(persistIdList->GetIDList(folderPidl.GetAddressOf()))) {
+        return nullptr;
+    }
+
+    PWSTR pathStr = nullptr;
+    if (FAILED(SHGetNameFromIDList(folderPidl.Get(), SIGDN_DESKTOPABSOLUTEPARSING, &pathStr))) {
+        return nullptr;
+    }
+
+    QString windowPath = NormalizePath(QString::fromWCharArray(pathStr));
+    CoTaskMemFree(pathStr);
+
+    if (windowPath != normalizedTarget) {
+        return nullptr;
+    }
+
+    // Path matches — query IFolderView2 from the ShellView.
+    ComPtr<IFolderView2> folderView2;
+    if (FAILED(shellView->QueryInterface(IID_PPV_ARGS(folderView2.GetAddressOf())))) {
+        return nullptr;
+    }
+    return folderView2;
+}
+
+/// Tries to find a live Explorer window that is currently displaying the given
+/// folder path. Returns the IFolderView2 from that window, or an empty ComPtr.
+///
+/// Explorer's sort order is stored only in the running Explorer process's memory.
+/// Creating a new shell view via IShellFolder::CreateViewObject yields a default
+/// sort (always by name), so we must find the actual live IFolderView2 instead.
+///
+/// Reference:
+/// - https://www.stephenli.ca/getting-windows-explorers-current-directory-sort-order
+/// - https://github.com/d2phap/ImageGlass/blob/75a296287f338edcf409eee3917531b25ff5d927/v9/Components/ImageGlass.Base/FileSystem/FileFinder.cs
+/// - NuGet Package: D2Phap.EggShell
+static ComPtr<IFolderView2> FindLiveFolderView(const QString& targetFolderPath)
+{
+    // Create the Shell windows collection (all open Explorer windows).
+    ComPtr<IShellWindows> shellWindows;
+    if (FAILED(CoCreateInstance(CLSID_ShellWindows, nullptr, CLSCTX_ALL,
+            IID_PPV_ARGS(shellWindows.GetAddressOf())))) {
+        ReportError("Failed to create IShellWindows instance");
+        return nullptr;
+    }
+
+    QString normalizedTarget = NormalizePath(targetFolderPath);
+
+    // 1. Try the Desktop window first — it may contain the file the user opened.
+    {
+        VARIANT varLoc;
+        VariantInit(&varLoc);
+        varLoc.vt = VT_I4;
+        varLoc.lVal = 0;
+
+        VARIANT varLocRoot;
+        VariantInit(&varLocRoot);
+
+        long desktopHwnd = 0;
+        ComPtr<IDispatch> desktopDispatch;
+        HRESULT findHr = shellWindows->FindWindowSW(
+            &varLoc, &varLocRoot, SWC_DESKTOP,
+            &desktopHwnd, SWFO_NEEDDISPATCH,
+            desktopDispatch.GetAddressOf());
+
+        VariantClear(&varLoc);
+        VariantClear(&varLocRoot);
+
+        if (SUCCEEDED(findHr) && desktopDispatch) {
+            ComPtr<IFolderView2> result = TryMatchWindow(desktopDispatch.Get(), normalizedTarget);
+            if (result) return result;
+        }
+    }
+
+    // 2. Iterate regular Explorer windows.
+    LONG count = 0;
+    shellWindows->get_Count(&count);
+
+    for (LONG i = 0; i < count; i++) {
+        VARIANT varIndex;
+        VariantInit(&varIndex);
+        varIndex.vt = VT_I4;
+        varIndex.lVal = i;
+
+        ComPtr<IDispatch> dispatch;
+        HRESULT itemHr = shellWindows->Item(varIndex, dispatch.GetAddressOf());
+        VariantClear(&varIndex);
+
+        if (FAILED(itemHr) || !dispatch) {
+            continue;
+        }
+
+        ComPtr<IFolderView2> result = TryMatchWindow(dispatch.Get(), normalizedTarget);
+        if (result) return result;
+    }
+
+    return nullptr;
+}
+
+std::optional<PlaylistScout::ScoutResult> PlaylistScout::Explorer::scout(
+    const QUrl &url, const QStringList &allowedSuffixes) {
+    PlaylistScout::ScoutResult rv;
+
+    QFileInfo info(url.toLocalFile());
+    QString folderPath = info.path();
+    QString currentFileName = info.fileName();
+
+    // Pre-compile wildcard suffix filters into regular expressions for performance.
+    QList<QRegularExpression> nameRegexps;
+    for (const QString &pattern : allowedSuffixes) {
+        nameRegexps.append(QRegularExpression(
+            QRegularExpression::wildcardToRegularExpression(pattern),
+            QRegularExpression::CaseInsensitiveOption));
+    }
+
+    // Initialize COM. The ComGuard must be declared before any COM objects
+    // below so that CoUninitialize runs after all of them are released.
+    ComGuard comGuard;
+    if (!comGuard.IsInitialized()) {
+        ReportError("COM initialization failed");
+        return std::nullopt;
+    }
+
+    // Find a live Explorer window that is currently displaying the target folder.
+    ComPtr<IFolderView2> folderView2 = FindLiveFolderView(folderPath);
+    if (!folderView2) {
+        ReportError("No open Explorer window matches the folder: " + folderPath);
+        return std::nullopt;
+    }
+
+    // Get items already sorted in Explorer's view order, as an IShellItemArray.
+    // SVGIO_ALLVIEW returns all items; SVGIO_FLAG_VIEWORDER respects the view's sort.
+    ComPtr<IShellItemArray> itemArray;
+    if (FAILED(folderView2->Items(SVGIO_ALLVIEW | SVGIO_FLAG_VIEWORDER,
+            IID_PPV_ARGS(itemArray.GetAddressOf())))) {
+        ReportError("IFolderView2::Items(SVGIO_ALLVIEW | SVGIO_FLAG_VIEWORDER) failed");
+        return std::nullopt;
+    }
+
+    DWORD itemCount = 0;
+    itemArray->GetCount(&itemCount);
+
+    // Enumerate sorted items, filter by pattern, and build the playlist.
+    for (DWORD i = 0; i < itemCount; i++) {
+        ComPtr<IShellItem> shellItem;
+        if (FAILED(itemArray->GetItemAt(i, shellItem.GetAddressOf()))) {
+            continue;
+        }
+
+        // Get the full parsing path of the item.
+        PWSTR pathStr = nullptr;
+        if (FAILED(shellItem->GetDisplayName(SIGDN_DESKTOPABSOLUTEPARSING, &pathStr)) || !pathStr) {
+            continue;
+        }
+        QString filePath = QString::fromWCharArray(pathStr);
+        CoTaskMemFree(pathStr);
+
+        // Skip directories — the view may include folders alongside files.
+        QFileInfo fileInfo(filePath);
+        if (!fileInfo.isFile()) {
+            continue;
+        }
+
+        QString fileName = fileInfo.fileName();
+
+        // Match against compiled wildcard patterns.
+        bool matches = nameRegexps.isEmpty();
+        for (const QRegularExpression &re : std::as_const(nameRegexps)) {
+            if (re.match(fileName).hasMatch()) {
+                matches = true;
+                break;
+            }
+        }
+        if (!matches) {
+            continue;
+        }
+
+        rv.playlist.append(QUrl::fromLocalFile(filePath));
+        if (fileName == currentFileName) {
+            rv.indexHint = rv.playlist.size() - 1;
+        }
+    }
+
+    return rv;
+}
+
+#endif // Q_OS_WIN

app/playlistscouts/explorerscout.h

@@ -0,0 +1,16 @@
+// SPDX-FileCopyrightText: 2026 yyc12345 <yyc12321@outlook.com>
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include "../playlistscout.h"
+#include <QtSystemDetection>
+
+#ifdef Q_OS_WIN
+
+namespace PlaylistScout::Explorer {
+    std::optional<ScoutResult> scout(const QUrl &url, const QStringList &allowedSuffixes);
+}
+
+#endif // Q_OS_WIN

app/playlistscouts/qtscout.cpp

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+// SPDX-FileCopyrightText: 2026 yyc12345 <yyc12321@outlook.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "qtscout.h"
+
+#include <QFileInfo>
+#include <QDir>
+#include <QCollator>
+
+std::optional<PlaylistScout::ScoutResult> PlaylistScout::Qt::scout(
+    const QUrl &url, const QStringList &allowedSuffixes) {
+    PlaylistScout::ScoutResult rv;
+
+    QFileInfo info(url.toLocalFile());
+    QDir dir(info.path());
+    QString currentFileName = info.fileName();
+
+    QStringList entryList = dir.entryList(
+        allowedSuffixes, QDir::Files | QDir::NoSymLinks, QDir::NoSort);
+
+    QCollator collator;
+    collator.setNumericMode(true);
+
+    std::sort(entryList.begin(), entryList.end(), collator);
+
+    for (qsizetype i = 0; i < entryList.count(); i++) {
+        const QString &fileName = entryList.at(i);
+        const QString &oneEntry = dir.absoluteFilePath(fileName);
+        const QUrl &url = QUrl::fromLocalFile(oneEntry);
+
+        rv.playlist.append(url);
+        if (fileName == currentFileName) {
+            rv.indexHint = i;
+        }
+    }
+
+    return rv;
+}

app/playlistscouts/qtscout.h

@@ -0,0 +1,11 @@
+// SPDX-FileCopyrightText: 2026 yyc12345 <yyc12321@outlook.com>
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include "../playlistscout.h"
+
+namespace PlaylistScout::Qt {
+    std::optional<ScoutResult> scout(const QUrl &url, const QStringList &allowedSuffixes);
+}

app/settings.cpp

@@ -13,6 +13,14 @@
 #include <QKeySequence>
 #include <QMetaEnum>
 
+Settings *Settings::instance()
+{
+    // SAFETY:
+    // This is a global singleton and it is leaked by design.
+    static Settings* INSTANCE = new Settings(nullptr);
+    return INSTANCE;
+}
+
 namespace QEnumHelper
 {
     template <typename E>
@@ -34,58 +42,55 @@ namespace QEnumHelper
     }
 }
 
-Settings *Settings::m_settings_instance = nullptr;
-
-Settings *Settings::instance()
+bool Settings::showNavigatorView() const
 {
-    if (!m_settings_instance) {
-        m_settings_instance = new Settings;
-    }
-
-    return m_settings_instance;
+    return m_qsettings->value("show_navigator_view", true).toBool();
 }
 
-bool Settings::stayOnTop()
-{
-    return m_qsettings->value("stay_on_top", true).toBool();
-}
-
-bool Settings::useLightCheckerboard()
+bool Settings::useLightCheckerboard() const
 {
     return m_qsettings->value("use_light_checkerboard", false).toBool();
 }
 
-Settings::DoubleClickBehavior Settings::doubleClickBehavior() const
+bool Settings::loopGallery() const
 {
-    QString result = m_qsettings->value("double_click_behavior", "Close").toString();
+    return m_qsettings->value("loop_gallery", true).toBool();
+}
 
-    return QEnumHelper::fromString<DoubleClickBehavior>(result, DoubleClickBehavior::Close);
+bool Settings::svgTiny12Only() const
+{
+    // Qt 6.7.0's SVG support is terrible caused by huge memory usage, see QTBUG-124287
+    // Qt 6.7.1's is somewhat better, memory issue seems fixed, but still laggy when zoom in, see QTBUG-126771.
+    // Qt 6.9.3 and Qt 6.10.1 seems no longer have the laggy issue, so let's make the default value different
+    // based on Qt version.
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 3)
+    return m_qsettings->value("svg_tiny12_only", true).toBool();
+#else
+    return m_qsettings->value("svg_tiny12_only", false).toBool();
+#endif // QT_VERSION < QT_VERSION_CHECK(6, 9, 3)
 }
 
 Settings::MouseWheelBehavior Settings::mouseWheelBehavior() const
 {
-    QString result = m_qsettings->value("mouse_wheel_behavior", "Zoom").toString();
-
+    QString result = m_qsettings->value("mouse_wheel_behavior", "").toString();
     return QEnumHelper::fromString<MouseWheelBehavior>(result, MouseWheelBehavior::Zoom);
 }
 
 Settings::WindowSizeBehavior Settings::initWindowSizeBehavior() const
 {
-    QString result = m_qsettings->value("init_window_size_behavior", "Auto").toString();
-
-    return QEnumHelper::fromString<WindowSizeBehavior>(result, WindowSizeBehavior::Auto);
+    QString result = m_qsettings->value("init_window_size_behavior", "").toString();
+    return QEnumHelper::fromString<WindowSizeBehavior>(result, WindowSizeBehavior::Windowed);
 }
 
 Qt::HighDpiScaleFactorRoundingPolicy Settings::hiDpiScaleFactorBehavior() const
 {
-    QString result = m_qsettings->value("hidpi_scale_factor_behavior", "PassThrough").toString();
-
+    QString result = m_qsettings->value("hidpi_scale_factor_behavior", "").toString();
     return QEnumHelper::fromString<Qt::HighDpiScaleFactorRoundingPolicy>(result, Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
 }
 
-void Settings::setStayOnTop(bool on)
+void Settings::setShowNavigatorView(bool on)
 {
-    m_qsettings->setValue("stay_on_top", on);
+    m_qsettings->setValue("show_navigator_view", on);
     m_qsettings->sync();
 }
 
@@ -95,9 +100,15 @@ void Settings::setUseLightCheckerboard(bool light)
     m_qsettings->sync();
 }
 
-void Settings::setDoubleClickBehavior(DoubleClickBehavior dcb)
+void Settings::setLoopGallery(bool on)
 {
-    m_qsettings->setValue("double_click_behavior", QEnumHelper::toString(dcb));
+    m_qsettings->setValue("loop_gallery", on);
+    m_qsettings->sync();
+}
+
+void Settings::setSvgTiny12Only(bool on)
+{
+    m_qsettings->setValue("svg_tiny12_only", on);
     m_qsettings->sync();
 }
 
@@ -119,47 +130,6 @@ void Settings::setHiDpiScaleFactorBehavior(Qt::HighDpiScaleFactorRoundingPolicy
     m_qsettings->sync();
 }
 
-void Settings::applyUserShortcuts(QWidget *widget)
-{
-    m_qsettings->beginGroup("shortcuts");
-    const QStringList shortcutNames = m_qsettings->allKeys();
-    for (const QString & name : shortcutNames) {
-        QList<QKeySequence> shortcuts = m_qsettings->value(name).value<QList<QKeySequence>>();
-        setShortcutsForAction(widget, name, shortcuts, false);
-    }
-    m_qsettings->endGroup();
-}
-
-bool Settings::setShortcutsForAction(QWidget *widget, const QString &objectName,
-                                     QList<QKeySequence> shortcuts, bool writeConfig)
-{
-    QAction * targetAction = nullptr;
-    for (QAction * action : widget->actions()) {
-        if (action->objectName() == objectName) {
-            targetAction = action;
-        } else {
-            for (const QKeySequence & shortcut : std::as_const(shortcuts)) {
-                if (action->shortcuts().contains(shortcut)) {
-                    return false;
-                }
-            }
-        }
-    }
-
-    if (targetAction) {
-        targetAction->setShortcuts(shortcuts);
-    }
-
-    if (targetAction && writeConfig) {
-        m_qsettings->beginGroup("shortcuts");
-        m_qsettings->setValue(objectName, QVariant::fromValue(shortcuts));
-        m_qsettings->endGroup();
-        m_qsettings->sync();
-    }
-
-    return true;
-}
-
 #if defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
 #include <windows.h>
 // QCoreApplication::applicationDirPath() parses the "applicationDirPath" from arg0, which...
@@ -178,8 +148,8 @@ QString getApplicationDirPath()
 }
 #endif // defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
 
-Settings::Settings()
-    : QObject(qApp)
+Settings::Settings(QObject *parent)
+    : QObject(parent)
 {
     QString configPath;
 

app/settings.h

@@ -11,14 +11,6 @@ class Settings : public QObject
 {
     Q_OBJECT
 public:
-    enum DoubleClickBehavior {
-        Ignore,
-        Close,
-        Maximize,
-        FullScreen,
-    };
-    Q_ENUM(DoubleClickBehavior)
-
     enum MouseWheelBehavior {
         Zoom,
         Switch,
@@ -26,7 +18,6 @@ public:
     Q_ENUM(MouseWheelBehavior)
 
     enum WindowSizeBehavior {
-        Auto,
         Maximized,
         Windowed,
     };
@@ -34,28 +25,24 @@ public:
 
     static Settings *instance();
 
-    bool stayOnTop();
-    bool useLightCheckerboard();
-    DoubleClickBehavior doubleClickBehavior() const;
+    bool showNavigatorView() const;
+    bool useLightCheckerboard() const;
+    bool loopGallery() const;
+    bool svgTiny12Only() const;
     MouseWheelBehavior mouseWheelBehavior() const;
     WindowSizeBehavior initWindowSizeBehavior() const;
     Qt::HighDpiScaleFactorRoundingPolicy hiDpiScaleFactorBehavior() const;
 
-    void setStayOnTop(bool on);
+    void setShowNavigatorView(bool on);
     void setUseLightCheckerboard(bool light);
-    void setDoubleClickBehavior(DoubleClickBehavior dcb);
+    void setLoopGallery(bool on);
+    void setSvgTiny12Only(bool on);
     void setMouseWheelBehavior(MouseWheelBehavior mwb);
     void setInitWindowSizeBehavior(WindowSizeBehavior wsb);
     void setHiDpiScaleFactorBehavior(Qt::HighDpiScaleFactorRoundingPolicy hidpi);
 
-    void applyUserShortcuts(QWidget * widget);
-    bool setShortcutsForAction(QWidget * widget, const QString & objectName,
-                               QList<QKeySequence> shortcuts, bool writeConfig = true);
-
 private:
-    Settings();
-
-    static Settings *m_settings_instance;
+    Settings(QObject *parent = nullptr);
 
     QSettings *m_qsettings;
 

app/settingsdialog.cpp

@@ -3,176 +3,143 @@
 // SPDX-License-Identifier: MIT
 
 #include "settingsdialog.h"
+#include "ui_settingsdialog.h"
 
 #include "settings.h"
-#include "shortcutedit.h"
 
-#include <QAction>
-#include <QCheckBox>
-#include <QComboBox>
-#include <QFormLayout>
-#include <QKeySequenceEdit>
-#include <QScrollArea>
-#include <QSplitter>
+#include <QApplication>
+#include <QTimer>
 #include <QStringListModel>
-#include <QMessageBox>
+#include <type_traits>
+
+template <typename E, typename = std::enable_if_t<std::is_enum_v<E>>>
+class EnumComboBoxTransformer {
+public:
+    using Pair = QPair<E, QString>;
+    using Pairs = QList<QPair<E, QString>>;
+
+    EnumComboBoxTransformer(Pairs &&pairs) : pairs(std::move(pairs)) {}
+    ~EnumComboBoxTransformer() = default;
+    Q_DISABLE_COPY_MOVE(EnumComboBoxTransformer)
+
+    /// Build Qt model used for QComboBox
+    QStringListModel* buildComboBoxModel(QObject *parent = nullptr) const {
+        QStringList dropDownEntries;
+        for (const auto& pair : std::as_const(this->pairs)) {
+            dropDownEntries.append(pair.second);
+        }
+        return new QStringListModel(dropDownEntries, parent);
+    }
+    /// Convert QComboBox index to enum value.
+    E to_value(int index) const {
+        return this->pairs.at(static_cast<qsizetype>(index)).first;
+    }
+    /// Convert enum value to QComboBox index.
+    int to_index(E value) const {
+        for (qsizetype i = 0; i < pairs.size(); ++i) {
+            if (pairs.at(i).first == value) {
+                return static_cast<int>(i);
+            }
+        }
+        // Value not found
+        throw std::invalid_argument("invalid enum value for finding index");
+    }
+
+private:
+    Pairs pairs;
+};
+
+static EnumComboBoxTransformer<Settings::MouseWheelBehavior, QString> MW_OPTIONS {
+    {
+        { Settings::MouseWheelBehavior::Zoom, QCoreApplication::translate("SettingsDialog", "Zoom in and out") },
+        { Settings::MouseWheelBehavior::Switch, QCoreApplication::translate("SettingsDialog", "View next or previous item") }
+    }
+};
+
+static EnumComboBoxTransformer<Settings::WindowSizeBehavior, QString> IWS_OPTIONS {
+    {
+        { Settings::WindowSizeBehavior::Maximized, QCoreApplication::translate("SettingsDialog", "Maximized") },
+        { Settings::WindowSizeBehavior::Windowed, QCoreApplication::translate("SettingsDialog", "Windowed") }
+    }
+};
+
+static EnumComboBoxTransformer<Qt::HighDpiScaleFactorRoundingPolicy, QString> HIDPI_OPTIONS {
+    {
+        { Qt::HighDpiScaleFactorRoundingPolicy::Round, QCoreApplication::translate("SettingsDialog", "Round (Integer scaling)", "This option means round up for .5 and above") },
+        { Qt::HighDpiScaleFactorRoundingPolicy::Ceil, QCoreApplication::translate("SettingsDialog", "Ceil (Integer scaling)", "This option means always round up") },
+        { Qt::HighDpiScaleFactorRoundingPolicy::Floor, QCoreApplication::translate("SettingsDialog", "Floor (Integer scaling)", "This option means always round down") },
+        { Qt::HighDpiScaleFactorRoundingPolicy::PassThrough, QCoreApplication::translate("SettingsDialog", "Follow system (Fractional scaling)", "This option means don't round") }
+    }
+};
 
 SettingsDialog::SettingsDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_stayOnTop(new QCheckBox)
-    , m_useLightCheckerboard(new QCheckBox)
-    , m_doubleClickBehavior(new QComboBox)
-    , m_mouseWheelBehavior(new QComboBox)
-    , m_initWindowSizeBehavior(new QComboBox)
-    , m_hiDpiRoundingPolicyBehavior(new QComboBox)
+    : QDialog(parent), ui(new QT_PREPEND_NAMESPACE(Ui::SettingsDialog))
 {
-    this->setWindowTitle(tr("Settings"));
+    ui->setupUi(this);
+    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
 
-    QHBoxLayout * mainLayout = new QHBoxLayout(this);
-    QTabWidget * settingsTabs = new QTabWidget(this);
-    mainLayout->addWidget(settingsTabs);
+    auto* settings = Settings::instance();
+    ui->m_showNavigatorView->setChecked(Settings::instance()->showNavigatorView());
+    ui->m_useLightCheckerboard->setChecked(settings->useLightCheckerboard());
+    ui->m_loopGallery->setChecked(settings->loopGallery());
+    ui->m_svgTiny12Only->setChecked(settings->svgTiny12Only());
+    ui->m_mouseWheelBehavior->setModel(MW_OPTIONS.buildComboBoxModel(this));
+    Settings::MouseWheelBehavior mwb = settings->mouseWheelBehavior();
+    ui->m_mouseWheelBehavior->setCurrentIndex(MW_OPTIONS.to_index(mwb));
+    ui->m_initWindowSizeBehavior->setModel(IWS_OPTIONS.buildComboBoxModel(this));
+    Settings::WindowSizeBehavior iwsb = settings->initWindowSizeBehavior();
+    ui->m_initWindowSizeBehavior->setCurrentIndex(IWS_OPTIONS.to_index(iwsb));
+    ui->m_hiDpiRoundingPolicyBehavior->setModel(HIDPI_OPTIONS.buildComboBoxModel(this));
+    Qt::HighDpiScaleFactorRoundingPolicy hidpi = settings->hiDpiScaleFactorBehavior();
+    ui->m_hiDpiRoundingPolicyBehavior->setCurrentIndex(HIDPI_OPTIONS.to_index(hidpi));
 
-    QWidget * settingsFormHolder = new QWidget;
-    QFormLayout * settingsForm = new QFormLayout(settingsFormHolder);
-    settingsTabs->addTab(settingsFormHolder, tr("Options"));
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+# define QCHECKBOX_CHECKSTATECHANGED QCheckBox::checkStateChanged
+# define QT_CHECKSTATE Qt::CheckState
+#else
+# define QCHECKBOX_CHECKSTATECHANGED QCheckBox::stateChanged
+# define QT_CHECKSTATE int
+#endif // QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
 
-    QSplitter * shortcutEditorSplitter = new QSplitter;
-    shortcutEditorSplitter->setOrientation(Qt::Vertical);
-    shortcutEditorSplitter->setChildrenCollapsible(false);
-    QScrollArea * shortcutScrollArea = new QScrollArea;
-    shortcutEditorSplitter->addWidget(shortcutScrollArea);
-    shortcutScrollArea->setWidgetResizable(true);
-    shortcutScrollArea->setMinimumHeight(200);
-    QWidget * shortcutsFormHolder = new QWidget;
-    QFormLayout * shortcutsForm = new QFormLayout(shortcutsFormHolder);
-    shortcutScrollArea->setWidget(shortcutsFormHolder);
-    settingsTabs->addTab(shortcutEditorSplitter, tr("Shortcuts"));
-
-    for (const QAction * action : parent->actions()) {
-        ShortcutEdit * shortcutEdit = new ShortcutEdit;
-        shortcutEdit->setObjectName(QLatin1String("shortcut_") + action->objectName());
-        shortcutEdit->setShortcuts(action->shortcuts());
-        shortcutsForm->addRow(action->text(), shortcutEdit);
-        connect(shortcutEdit, &ShortcutEdit::editButtonClicked, this, [=](){
-            if (shortcutEditorSplitter->count() == 1) shortcutEditorSplitter->addWidget(new QWidget);
-            ShortcutEditor * shortcutEditor = new ShortcutEditor(shortcutEdit);
-            shortcutEditor->setDescription(tr("Editing shortcuts for action \"%1\":").arg(action->text()));
-            QWidget * oldEditor = shortcutEditorSplitter->replaceWidget(1, shortcutEditor);
-            shortcutEditorSplitter->setSizes({shortcutEditorSplitter->height(), 1});
-            oldEditor->deleteLater();
-        });
-        connect(shortcutEdit, &ShortcutEdit::applyShortcutsRequested, this, [=](QList<QKeySequence> newShortcuts){
-            bool succ = Settings::instance()->setShortcutsForAction(parent, shortcutEdit->objectName().mid(9),
-                                                                    newShortcuts);
-            if (!succ) {
-                QMessageBox::warning(this, tr("Failed to set shortcuts"),
-                                     tr("Please check if shortcuts are duplicated with existing shortcuts."));
-            }
-            shortcutEdit->setShortcuts(action->shortcuts());
-        });
-    }
-
-    static QList< QPair<Settings::DoubleClickBehavior, QString> > _dc_options {
-        { Settings::DoubleClickBehavior::Ignore, tr("Do nothing") },
-        { Settings::DoubleClickBehavior::Close, tr("Close the window") },
-        { Settings::DoubleClickBehavior::Maximize, tr("Toggle maximize") },
-        { Settings::DoubleClickBehavior::FullScreen, tr("Toggle fullscreen") }
-    };
-
-    static QList< QPair<Settings::MouseWheelBehavior, QString> > _mw_options {
-        { Settings::MouseWheelBehavior::Zoom, tr("Zoom in and out") },
-        { Settings::MouseWheelBehavior::Switch, tr("View next or previous item") }
-    };
-
-    static QList< QPair<Settings::WindowSizeBehavior, QString> > _iws_options {
-        { Settings::WindowSizeBehavior::Auto, tr("Auto size") },
-        { Settings::WindowSizeBehavior::Maximized, tr("Maximized") },
-        { Settings::WindowSizeBehavior::Windowed, tr("Windowed") }
-    };
-
-    static QList< QPair<Qt::HighDpiScaleFactorRoundingPolicy, QString> > _hidpi_options {
-        { Qt::HighDpiScaleFactorRoundingPolicy::Round, tr("Round (Integer scaling)", "This option means round up for .5 and above") },
-        { Qt::HighDpiScaleFactorRoundingPolicy::Ceil, tr("Ceil (Integer scaling)", "This option means always round up") },
-        { Qt::HighDpiScaleFactorRoundingPolicy::Floor, tr("Floor (Integer scaling)", "This option means always round down") },
-        { Qt::HighDpiScaleFactorRoundingPolicy::PassThrough, tr("Follow system (Fractional scaling)", "This option means don't round") }
-    };
-
-    QStringList dcbDropDown;
-    for (const QPair<Settings::DoubleClickBehavior, QString> & dcOption : _dc_options) {
-        dcbDropDown.append(dcOption.second);
-    }
-
-    QStringList mwbDropDown;
-    for (const QPair<Settings::MouseWheelBehavior, QString> & mwOption : _mw_options) {
-        mwbDropDown.append(mwOption.second);
-    }
-
-    QStringList iwsbDropDown;
-    for (const QPair<Settings::WindowSizeBehavior, QString> & iwsOption : _iws_options) {
-        iwsbDropDown.append(iwsOption.second);
-    }
-
-    QStringList hidpiDropDown;
-    for (const QPair<Qt::HighDpiScaleFactorRoundingPolicy, QString> & hidpiOption : _hidpi_options) {
-        hidpiDropDown.append(hidpiOption.second);
-    }
-
-    settingsForm->addRow(tr("Stay on top when start-up"), m_stayOnTop);
-    settingsForm->addRow(tr("Use light-color checkerboard"), m_useLightCheckerboard);
-    settingsForm->addRow(tr("Double-click behavior"), m_doubleClickBehavior);
-    settingsForm->addRow(tr("Mouse wheel behavior"), m_mouseWheelBehavior);
-    settingsForm->addRow(tr("Default window size"), m_initWindowSizeBehavior);
-    settingsForm->addRow(tr("HiDPI scale factor rounding policy"), m_hiDpiRoundingPolicyBehavior);
-
-    m_stayOnTop->setChecked(Settings::instance()->stayOnTop());
-    m_useLightCheckerboard->setChecked(Settings::instance()->useLightCheckerboard());
-    m_doubleClickBehavior->setModel(new QStringListModel(dcbDropDown));
-    Settings::DoubleClickBehavior dcb = Settings::instance()->doubleClickBehavior();
-    m_doubleClickBehavior->setCurrentIndex(static_cast<int>(dcb));
-    m_mouseWheelBehavior->setModel(new QStringListModel(mwbDropDown));
-    Settings::MouseWheelBehavior mwb = Settings::instance()->mouseWheelBehavior();
-    m_mouseWheelBehavior->setCurrentIndex(static_cast<int>(mwb));
-    m_initWindowSizeBehavior->setModel(new QStringListModel(iwsbDropDown));
-    Settings::WindowSizeBehavior iwsb = Settings::instance()->initWindowSizeBehavior();
-    m_initWindowSizeBehavior->setCurrentIndex(static_cast<int>(iwsb));
-    m_hiDpiRoundingPolicyBehavior->setModel(new QStringListModel(hidpiDropDown));
-    Qt::HighDpiScaleFactorRoundingPolicy hidpi = Settings::instance()->hiDpiScaleFactorBehavior();
-    for (int i = 0; i < _hidpi_options.count(); i++) {
-        if (_hidpi_options.at(i).first == hidpi) {
-            m_hiDpiRoundingPolicyBehavior->setCurrentIndex(i);
-            break;
-        }
-    }
-
-    connect(m_stayOnTop, &QCheckBox::stateChanged, this, [ = ](int state){
-        Settings::instance()->setStayOnTop(state == Qt::Checked);
+    connect(ui->m_showNavigatorView, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setShowNavigatorView(state == Qt::Checked);
     });
 
-    connect(m_useLightCheckerboard, &QCheckBox::stateChanged, this, [ = ](int state){
+    connect(ui->m_useLightCheckerboard, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
         Settings::instance()->setUseLightCheckerboard(state == Qt::Checked);
     });
 
-    connect(m_doubleClickBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setDoubleClickBehavior(_dc_options.at(index).first);
+    connect(ui->m_loopGallery, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setLoopGallery(state == Qt::Checked);
     });
 
-    connect(m_mouseWheelBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setMouseWheelBehavior(_mw_options.at(index).first);
+    connect(ui->m_svgTiny12Only, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setSvgTiny12Only(state == Qt::Checked);
     });
 
-    connect(m_initWindowSizeBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setInitWindowSizeBehavior(_iws_options.at(index).first);
+    connect(ui->m_mouseWheelBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setMouseWheelBehavior(MW_OPTIONS.to_value(index));
     });
 
-    connect(m_hiDpiRoundingPolicyBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setHiDpiScaleFactorBehavior(_hidpi_options.at(index).first);
+    connect(ui->m_initWindowSizeBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setInitWindowSizeBehavior(IWS_OPTIONS.to_value(index));
     });
 
-    adjustSize();
-    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+    connect(ui->m_hiDpiRoundingPolicyBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setHiDpiScaleFactorBehavior(HIDPI_OPTIONS.to_value(index));
+    });
+
+    // YYC MARK:
+    // Use adjustSize() to make sure all ComboBox are expanded by its items.
+    // Because items are added after inserting them into layout.
+    // It is inviable to call this function in ctor because this relys on Qt event system.
+    // It only can be done by QTimer::singleShot().
+    QTimer::singleShot(0, this, [this](){
+        this->adjustSize();
+    });
 }
 
 SettingsDialog::~SettingsDialog()
 {
-
+    delete ui;
 }

app/settingsdialog.h

@@ -5,11 +5,14 @@
 #ifndef SETTINGSDIALOG_H
 #define SETTINGSDIALOG_H
 
-#include <QObject>
 #include <QDialog>
 
-class QCheckBox;
-class QComboBox;
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class SettingsDialog;
+}
+QT_END_NAMESPACE
+
 class SettingsDialog : public QDialog
 {
     Q_OBJECT
@@ -17,17 +20,8 @@ public:
     explicit SettingsDialog(QWidget *parent = nullptr);
     ~SettingsDialog();
 
-signals:
-
-public slots:
-
 private:
-    QCheckBox * m_stayOnTop = nullptr;
-    QCheckBox * m_useLightCheckerboard = nullptr;
-    QComboBox * m_doubleClickBehavior = nullptr;
-    QComboBox * m_mouseWheelBehavior = nullptr;
-    QComboBox * m_initWindowSizeBehavior = nullptr;
-    QComboBox * m_hiDpiRoundingPolicyBehavior = nullptr;
+    QT_PREPEND_NAMESPACE(Ui::SettingsDialog) *ui;
 };
 
 #endif // SETTINGSDIALOG_H

app/settingsdialog.ui

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SettingsDialog</class>
+ <widget class="QDialog" name="SettingsDialog">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="windowTitle">
+   <string>Settings</string>
+  </property>
+  <layout class="QHBoxLayout" name="mainLayout">
+   <item>
+    <widget class="QTabWidget" name="settingsTabs">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="optionsTab">
+      <attribute name="title">
+       <string>Options</string>
+      </attribute>
+      <layout class="QFormLayout" name="settingsForm">
+        <item row="0" column="0" colspan="2">
+         <widget class="QCheckBox" name="m_showNavigatorView">
+          <property name="text">
+           <string>Show navigation view</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0" colspan="2">
+         <widget class="QCheckBox" name="m_useLightCheckerboard">
+          <property name="text">
+           <string>Use light-color checkerboard</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="0" colspan="2">
+         <widget class="QCheckBox" name="m_loopGallery">
+          <property name="text">
+           <string>Loop the loaded gallery</string>
+          </property>
+         </widget>
+        </item>
+        <item row="3" column="0" colspan="2">
+         <widget class="QCheckBox" name="m_svgTiny12Only">
+          <property name="text">
+           <string>Limit SVG support to SVG Tiny 1.2</string>
+          </property>
+         </widget>
+        </item>
+       <item row="4" column="0">
+         <widget class="QLabel" name="m_mouseWheelBehaviorLabel">
+         <property name="text">
+          <string>Mouse wheel behavior</string>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="1">
+        <widget class="QComboBox" name="m_mouseWheelBehavior"/>
+       </item>
+       <item row="5" column="0">
+         <widget class="QLabel" name="m_initWindowSizeBehaviorLabel">
+         <property name="text">
+          <string>Default window size</string>
+         </property>
+        </widget>
+       </item>
+       <item row="5" column="1">
+        <widget class="QComboBox" name="m_initWindowSizeBehavior"/>
+       </item>
+       <item row="6" column="0">
+         <widget class="QLabel" name="m_hiDpiRoundingPolicyBehaviorLabel">
+         <property name="text">
+          <string>HiDPI scale factor rounding policy</string>
+         </property>
+        </widget>
+       </item>
+       <item row="6" column="1">
+        <widget class="QComboBox" name="m_hiDpiRoundingPolicyBehavior"/>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

app/shortcutedit.cpp

@@ -1,133 +0,0 @@
-// SPDX-FileCopyrightText: 2024 Gary Wang <opensource@blumia.net>
-//
-// SPDX-License-Identifier: MIT
-
-#include "shortcutedit.h"
-
-#include <QLabel>
-#include <QToolButton>
-#include <QHBoxLayout>
-#include <QFormLayout>
-#include <QDialogButtonBox>
-#include <QKeySequenceEdit>
-
-ShortcutEditor::ShortcutEditor(ShortcutEdit * shortcutEdit, QWidget * parent)
-    : QWidget(parent)
-    , m_descriptionLabel(new QLabel)
-    , m_shortcutEdit(shortcutEdit)
-    , m_shortcutLayout(new QFormLayout)
-{
-    Q_CHECK_PTR(m_shortcutEdit);
-
-    QDialogButtonBox * buttons = new QDialogButtonBox(QDialogButtonBox::Apply | QDialogButtonBox::Discard);
-
-    QVBoxLayout * layout = new QVBoxLayout(this);
-    layout->addWidget(m_descriptionLabel);
-    layout->addLayout(m_shortcutLayout);
-    layout->addWidget(buttons);
-
-    connect(buttons, &QDialogButtonBox::clicked, this, [=](QAbstractButton *button){
-        if ((QPushButton *)button == buttons->button(QDialogButtonBox::Apply)) {
-            applyShortcuts();
-        } else {
-            reloadShortcuts();
-        }
-    });
-    connect(shortcutEdit, &ShortcutEdit::shortcutsChanged, this, &ShortcutEditor::reloadShortcuts);
-
-    setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
-
-    reloadShortcuts();
-}
-
-ShortcutEditor::~ShortcutEditor()
-{
-
-}
-
-void ShortcutEditor::setDescription(const QString &desc)
-{
-    m_descriptionLabel->setText(desc);
-}
-
-void ShortcutEditor::reloadShortcuts()
-{
-    if (!m_keySequenceEdits.isEmpty()) {
-        for (QKeySequenceEdit * keyseqEdit : m_keySequenceEdits) {
-            m_shortcutLayout->removeRow(keyseqEdit);
-        }
-        m_keySequenceEdits.clear();
-    }
-
-    QList<QKeySequence> shortcuts = m_shortcutEdit->shortcuts();
-    shortcuts.append(QKeySequence());
-    for (const QKeySequence & shortcut : shortcuts) {
-        QKeySequenceEdit * keyseqEdit = new QKeySequenceEdit(this);
-#if QT_VERSION >= QT_VERSION_CHECK(6, 4, 0)
-        keyseqEdit->setClearButtonEnabled(true);
-#endif // QT_VERSION >= QT_VERSION_CHECK(6, 4, 0)
-#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
-        keyseqEdit->setMaximumSequenceLength(1);
-#endif // QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
-        keyseqEdit->setKeySequence(shortcut);
-        m_keySequenceEdits.append(keyseqEdit);
-    }
-
-    for (int i = 0; i < m_keySequenceEdits.count(); i++) {
-        m_shortcutLayout->addRow(tr("Shortcut #%1").arg(i + 1), m_keySequenceEdits.at(i));
-    }
-}
-
-void ShortcutEditor::applyShortcuts()
-{
-    QList<QKeySequence> shortcuts;
-    for (const QKeySequenceEdit * keyseqEdit : m_keySequenceEdits) {
-        if (!keyseqEdit->keySequence().isEmpty() && !shortcuts.contains(keyseqEdit->keySequence())) {
-            shortcuts.append(keyseqEdit->keySequence());
-        }
-    }
-    emit m_shortcutEdit->applyShortcutsRequested(shortcuts);
-}
-
-// ----------------------------------------
-
-ShortcutEdit::ShortcutEdit(QWidget *parent)
-    : QWidget(parent)
-    , m_shortcutsLabel(new QLabel(this))
-    , m_setShortcutButton(new QToolButton(this))
-{
-    m_setShortcutButton->setText("...");
-
-    QHBoxLayout * layout = new QHBoxLayout(this);
-    layout->setContentsMargins(0, 0, 0, 0);
-    layout->addWidget(m_shortcutsLabel, 1);
-    layout->addWidget(m_setShortcutButton);
-
-    connect(this, &ShortcutEdit::shortcutsChanged, this, [=](){
-        QStringList shortcutTexts;
-        for (const QKeySequence & shortcut : std::as_const(m_shortcuts)) {
-            shortcutTexts.append(shortcut.toString(QKeySequence::NativeText));
-        }
-        m_shortcutsLabel->setText(shortcutTexts.isEmpty() ? tr("No shortcuts") : shortcutTexts.join(", "));
-        m_shortcutsLabel->setDisabled(shortcutTexts.isEmpty());
-    });
-
-    connect(m_setShortcutButton, &QToolButton::clicked, this, &ShortcutEdit::editButtonClicked);
-
-    adjustSize();
-}
-
-ShortcutEdit::~ShortcutEdit()
-{
-}
-
-QList<QKeySequence> ShortcutEdit::shortcuts() const
-{
-    return m_shortcuts;
-}
-
-void ShortcutEdit::setShortcuts(const QList<QKeySequence> &shortcuts)
-{
-    m_shortcuts = shortcuts;
-    emit shortcutsChanged();
-}

app/shortcutedit.h

@@ -1,55 +0,0 @@
-// SPDX-FileCopyrightText: 2024 Gary Wang <opensource@blumia.net>
-//
-// SPDX-License-Identifier: MIT
-
-#pragma once
-
-#include <QWidget>
-#include <QList>
-#include <QKeySequence>
-
-class QLabel;
-class QFormLayout;
-class QToolButton;
-class QKeySequenceEdit;
-class ShortcutEdit;
-class ShortcutEditor : public QWidget
-{
-    Q_OBJECT
-public:
-    explicit ShortcutEditor(ShortcutEdit * shortcutEdit, QWidget * parent = nullptr);
-    ~ShortcutEditor();
-
-    void setDescription(const QString & desc);
-
-    void reloadShortcuts();
-    void applyShortcuts();
-
-private:
-    QLabel * m_descriptionLabel;
-    ShortcutEdit * m_shortcutEdit;
-    QFormLayout * m_shortcutLayout;
-    QList<QKeySequenceEdit *> m_keySequenceEdits;
-};
-
-class ShortcutEdit : public QWidget
-{
-    Q_OBJECT
-    Q_PROPERTY(QList<QKeySequence> shortcuts MEMBER m_shortcuts WRITE setShortcuts NOTIFY shortcutsChanged)
-public:
-    explicit ShortcutEdit(QWidget * parent = nullptr);
-    ~ShortcutEdit();
-
-    QList<QKeySequence> shortcuts() const;
-    void setShortcuts(const QList<QKeySequence> &shortcuts);
-
-signals:
-    void shortcutsChanged();
-    void editButtonClicked();
-    void applyShortcutsRequested(QList<QKeySequence> newShortcuts);
-
-private:
-    QList<QKeySequence> m_shortcuts;
-    QLabel * m_shortcutsLabel;
-    QToolButton * m_setShortcutButton;
-};

app/toolbutton.cpp

@@ -1,38 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "toolbutton.h"
-
-#include "actionmanager.h"
-#include "opacityhelper.h"
-
-#include <QPainter>
-#include <QGraphicsOpacityEffect>
-#include <QPropertyAnimation>
-
-ToolButton::ToolButton(bool hoverColor, QWidget *parent)
-    : QPushButton(parent)
-    , m_opacityHelper(new OpacityHelper(this))
-{
-    setFlat(true);
-    QString qss = "QPushButton {"
-                  "background: transparent;"
-                  "}";
-    if (hoverColor) {
-        qss += "QPushButton:hover {"
-               "background: red;"
-               "}";
-    }
-    setStyleSheet(qss);
-}
-
-void ToolButton::setIconResourcePath(const QString &iconp)
-{
-    this->setIcon(ActionManager::loadHidpiIcon(iconp, this->iconSize()));
-}
-
-void ToolButton::setOpacity(qreal opacity, bool animated)
-{
-    m_opacityHelper->setOpacity(opacity, animated);
-}

app/toolbutton.h

@@ -1,25 +0,0 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef TOOLBUTTON_H
-#define TOOLBUTTON_H
-
-#include <QPushButton>
-
-class OpacityHelper;
-class ToolButton : public QPushButton
-{
-    Q_OBJECT
-public:
-    ToolButton(bool hoverColor = false, QWidget * parent = nullptr);
-    void setIconResourcePath(const QString &iconp);
-
-public slots:
-    void setOpacity(qreal opacity, bool animated = true);
-
-private:
-    OpacityHelper * m_opacityHelper;
-};
-
-#endif // TOOLBUTTON_H

appveyor.yml

@@ -1,166 +0,0 @@
-image:
-  - Visual Studio 2022
-environment:
-  CMAKE_INSTALL_PREFIX: C:\projects\cmake
-  LIBZ: C:\projects\zlib
-  LIBEXPAT: C:\projects\libexpat
-  LIBAVIF: C:\projects\libavif
-  LIBEXIV2: C:\projects\exiv2
-  PPKG: C:\projects\ppkg
-  matrix:
-    - job_name: mingw_64_qt6_8
-      QTDIR: C:\Qt\6.8\mingw_64
-      MINGW64: C:\Qt\Tools\mingw1310_64
-      KF_BRANCH: master
-      EXIV2_VERSION: "0.28.3"
-      EXIV2_CMAKE_OPTIONS: "-DEXIV2_ENABLE_BROTLI=OFF -DEXIV2_ENABLE_INIH=OFF -DEXIV2_BUILD_EXIV2_COMMAND=OFF"
-      PPIC_CMAKE_OPTIONS: "-DPREFER_QT_5=OFF"
-      WINDEPLOYQT_ARGS: "--verbose=2 --no-quick-import --no-translations --no-opengl-sw --no-system-d3d-compiler --skip-plugin-types tls,networkinformation"
-    - job_name: mingw81_64_qt5_15_2
-      QTDIR: C:\Qt\5.15.2\mingw81_64
-      MINGW64: C:\Qt\Tools\mingw810_64
-      KF_BRANCH: kf5
-      EXIV2_VERSION: "0.27.7"
-      EXIV2_CMAKE_OPTIONS: "-DEXIV2_BUILD_SAMPLES=OFF -DEXIV2_ENABLE_WIN_UNICODE=ON -DEXIV2_BUILD_EXIV2_COMMAND=OFF"
-      PPIC_CMAKE_OPTIONS: "-DPREFER_QT_5=ON"
-      WINDEPLOYQT_ARGS: "--verbose=2 --no-quick-import --no-translations --no-opengl-sw --no-angle --no-system-d3d-compiler"
-
-install:
-  - mkdir %CMAKE_INSTALL_PREFIX%
-  - mkdir %LIBZ%
-  - mkdir %LIBEXPAT%
-  - mkdir %LIBAVIF%
-  - mkdir %LIBEXIV2%
-  - mkdir %PPKG%
-  - cd %APPVEYOR_BUILD_FOLDER%
-  - git submodule update --init --recursive
-  - set PATH=%PATH%;%CMAKE_INSTALL_PREFIX%;%QTDIR%\bin;%MINGW64%\bin;%PPKG%
-  - set CC=%MINGW64%\bin\gcc.exe
-  - set CXX=%MINGW64%\bin\g++.exe
-
-build_script:
-# prepare
-  - mkdir 3rdparty
-  - choco install ninja
-  - cd %PPKG%
-  - curl -fsSL -o ppkg.exe https://github.com/BLumia/pineapple-package-manager/releases/latest/download/ppkg.exe
-  - cd %APPVEYOR_BUILD_FOLDER%
-# download and install zlib for KArchive
-  - cd %LIBZ%
-  - curl -fsSL -o zlib131.zip https://zlib.net/zlib131.zip
-  - 7z x zlib131.zip -y
-  - cd zlib-1.3.1
-  - mkdir build
-  - cd build
-  - cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX%
-  - cmake --build . --config Release
-  - cmake --build . --config Release --target install/strip
-  - cd %APPVEYOR_BUILD_FOLDER%
-# install ECM so we can build KImageFormats
-  - cd 3rdparty
-  - git clone -b %KF_BRANCH% -q https://invent.kde.org/frameworks/extra-cmake-modules.git
-  - git rev-parse HEAD
-  - cd extra-cmake-modules
-  - cmake -G "Ninja" . -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX% -DBUILD_TESTING=OFF
-  - cmake --build .
-  - cmake --build . --target install
-  - cd %APPVEYOR_BUILD_FOLDER%
-# install AOM for libavif AV1 decoding support...
-  - cd 3rdparty
-  #- git clone -b v3.9.1 --depth 1 https://aomedia.googlesource.com/aom
-  #- cd aom
-  #- mkdir build.aom
-  #- cd build.aom
-  #- cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX% -DENABLE_DOCS=OFF -DBUILD_SHARED_LIBS=ON -DAOM_TARGET_CPU=generic -DENABLE_TESTS=OFF -DENABLE_TESTDATA=OFF -DENABLE_TOOLS=OFF -DENABLE_EXAMPLES=0
-  #- cmake --build . --config Release
-  #- cmake --build . --config Release --target install/strip
-  - mkdir aom
-  - cd aom
-  - curl -fsSL -o ppkg-aom.zip https://sourceforge.net/projects/pineapple-package-manager/files/packages/mingw-w64-x86_64-windows/aom-3.9.1-2.zip
-  - ppkg ppkg-aom.zip
-  - 7z x ppkg-aom.zip LICENSE -y
-  - cd %APPVEYOR_BUILD_FOLDER%
-# install libavif for avif format support of KImageFormats
-  - cd %LIBAVIF%
-  - curl -fsSL -o libavif-v1_1_1.zip https://github.com/AOMediaCodec/libavif/archive/v1.1.1.zip
-  - 7z x libavif-v1_1_1.zip -y
-  - cd libavif-1.1.1
-  - mkdir build
-  - cd build
-  - cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX% -DAVIF_CODEC_AOM=ON -DAVIF_LOCAL_LIBYUV=ON
-  - cmake --build . --config Release
-  - cmake --build . --config Release --target install/strip
-  - cd %APPVEYOR_BUILD_FOLDER%
-# install KArchive for kra format support of KImageFormats
-  - cd 3rdparty
-  - git clone -b %KF_BRANCH% -q https://invent.kde.org/frameworks/karchive.git
-  - git rev-parse HEAD
-  - cd karchive
-  - mkdir build
-  - cd build
-  - cmake .. -G "Ninja" -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DWITH_OPENSSL=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX%
-  - cmake --build . --config Release
-  - cmake --build . --config Release --target install/strip
-  - cd %APPVEYOR_BUILD_FOLDER%
-# build libexpat for libexiv2
-  - cd %LIBEXPAT%
-  - curl -fsSL -o R_2_6_2.zip https://github.com/libexpat/libexpat/archive/R_2_6_2.zip
-  - 7z x R_2_6_2.zip -y
-  - cd libexpat-R_2_6_2/expat/
-  - cmake -G "Ninja" . -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX% -DEXPAT_BUILD_EXAMPLES=OFF -DEXPAT_BUILD_TESTS=OFF -DEXPAT_BUILD_TOOLS=OFF
-  - cmake --build . --target install/strip
-  - cd %APPVEYOR_BUILD_FOLDER%
-# build libexiv2
-  - cd %LIBEXIV2%
-  - curl -fsSL -o v%EXIV2_VERSION%.zip https://github.com/Exiv2/exiv2/archive/v%EXIV2_VERSION%.zip
-  - 7z x v%EXIV2_VERSION%.zip -y
-  - cd exiv2-%EXIV2_VERSION%
-  - cmake -G "Ninja" . -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX% %EXIV2_CMAKE_OPTIONS%
-  - cmake --build . --target install/strip
-  - cd %APPVEYOR_BUILD_FOLDER%
-# install KImageFormats
-  - cd 3rdparty
-  - git clone -b %KF_BRANCH% -q https://invent.kde.org/frameworks/kimageformats.git
-  - git rev-parse HEAD
-  - cd kimageformats
-  - mkdir build
-  - cd build
-  - cmake .. -G "Ninja" -DBUILD_TESTING=OFF -DCMAKE_BUILD_TYPE=Release -DKDE_INSTALL_QTPLUGINDIR=%QTDIR%\plugins
-  - cmake --build . --config Release
-  - cmake --build . --config Release --target install/strip
-  - cd %APPVEYOR_BUILD_FOLDER%
-# finally...
-  - mkdir build
-  - cd build
-  - cmake .. -G "Ninja" %PPIC_CMAKE_OPTIONS% -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=%CMAKE_INSTALL_PREFIX% -DCMAKE_INSTALL_PREFIX='%cd%'
-  - cmake --build . --config Release
-  - cmake --build . --config Release --target install/strip
-# fixme: I don't know how to NOT make the binary installed to the ./bin/ folder...
-  - cd bin
-  - copy %APPVEYOR_BUILD_FOLDER%\LICENSE
-  - copy %CMAKE_INSTALL_PREFIX%\bin\libaom.dll
-  - copy %CMAKE_INSTALL_PREFIX%\bin\libexpat-1.dll
-  - copy %CMAKE_INSTALL_PREFIX%\bin\libexiv2.dll
-  - copy %CMAKE_INSTALL_PREFIX%\bin\libavif.dll
-  - copy %CMAKE_INSTALL_PREFIX%\bin\libzlib.dll
-  - copy %CMAKE_INSTALL_PREFIX%\bin\libKF?Archive.dll
-  - windeployqt %WINDEPLOYQT_ARGS% .\ppic.exe
-# copy 3rdparty licenses for the libs we vendored for windows...
-  - mkdir licenses
-  - cd licenses
-  - copy %APPVEYOR_BUILD_FOLDER%\3rdparty\aom\LICENSE License.aom.txt
-  - copy %APPVEYOR_BUILD_FOLDER%\3rdparty\karchive\LICENSES\LGPL-2.0-or-later.txt License.KArchive.txt
-  - copy %APPVEYOR_BUILD_FOLDER%\3rdparty\kimageformats\LICENSES\LGPL-2.1-or-later.txt License.kimageformats.txt
-  - copy %LIBEXPAT%\libexpat-R_2_6_2\expat\COPYING License.expat.txt
-  - copy %LIBAVIF%\libavif-1.1.1\LICENSE License.libavif.txt
-  - copy %LIBEXIV2%\exiv2-%EXIV2_VERSION%\COPYING License.exiv2.txt
-# TODO: Qt, zlib
-  - cd ..
-# for debug..
-  - tree /f
-  - cd %APPVEYOR_BUILD_FOLDER%
-  - xcopy %CMAKE_INSTALL_PREFIX% .\cmake-prefix-copy /E /H /C /I
-
-artifacts:
-  - path: build\bin
-  - path: cmake-prefix-copy

assets/htmls/about.html

@@ -0,0 +1,29 @@
+<center>
+    <p>
+        <img width='128' height='128' src=':/icons/app-icon.png'/>
+        <br/>
+        <!-- Application name -->
+        <span>%1</span>
+        <br/>
+        <!-- Version info -->
+        <span>%2</span>
+    </p>
+    <hr/>
+    <p>
+        <!-- Upstream author and fork author -->
+        <span>%3</span><span>:&nbsp;</span><a href='https://github.com/BLumia'>@BLumia</a>
+        <br/>
+        <span>%4</span><span>:&nbsp;</span><a href='https://github.com/yyc12345'>@yyc12345</a>
+        <br/>
+        <!-- Icon author -->
+        <span>%5</span><span>:&nbsp;</span><a href='https://github.com/Lovelyblack'>@Lovelyblack</a>
+    </p>
+    <hr/>
+    <p>
+        <!-- Built Qt version info -->
+        <span>%6</span>
+        <br/>
+        <!-- Source code -->
+        <span>%7</span><span>:&nbsp;</span><a href='https://github.com/BLumia/pineapple-pictures'>GitHub</a>
+    </p>
+</center>

assets/htmls/help.html

@@ -0,0 +1,29 @@
+<!-- General help -->
+<h1 align='center'>%1</h1>
+<ul>
+    <li>
+        <span>%2</span>
+        <ul>
+            <li>%3</li>
+            <li>%4</li>
+        </ul>
+    </li>
+    <li>%5</li>
+    <li>%6</li>
+</ul>
+<hr/>
+<!-- Context menu option help -->
+<h1 align='center'>%7</h1>
+<!-- Context menu option list -->
+<ul>
+    <li>
+        <b>%8</b><span>:</span>
+        <br/>
+        <span>%9</span>
+    </li>
+    <li>
+        <b>%10</b><span>:</span>
+        <br/>
+        <span>%11</span>
+    </li>
+</ul>

assets/htmls/license.html

@@ -0,0 +1,29 @@
+<!-- License -->
+<h1 align='center'><b>%1</b></h1>
+<p>%2</p>
+<hr/>
+<!-- VErbatime license -->
+<h1 align='center'><b>%3</b></h1>
+<pre>
+Expat/MIT License
+
+Copyright &copy; 2026 BLumia
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+</pre>

assets/htmls/special-thanks.html

@@ -1,3 +1,14 @@
+<!-- Contributor title -->
+<h1 align='center'>%1</h1>
+<!-- Contributor list -->
+<a href='https://github.com/BLumia/pineapple-pictures/graphs/contributors'>%2</a>
+<!-- The message to thank these contributors -->
+<p>%3</p>
+
+<!-- Translator title -->
+<h1 align='center'>%4</h1>
+<!-- The message to thank these translators -->
+<p>%5</p>
 <ul>
 <li><u>Catalan</u>: Toni Estévez</li>
 <li><u>Chinese (Simplified)</u>: Percy Hong</li>
@@ -12,8 +23,10 @@
 <li><u>Punjabi (Pakistan)</u>: bgo-eiu</li>
 <li><u>Russian</u>: Sergey Shornikov, Artem, Andrey</li>
 <li><u>Sinhala</u>: HelaBasa</li>
+<li><u>Slovenian</u>: Andrej Poženel - SDT</li>
 <li><u>Spanish</u>: Toni Estévez, Génesis Toxical, William(ѕ)ⁿ, gallegonovato</li>
 <li><u>Tamil</u>: தமிழ்நேரம் (TamilNeram)</li>
 <li><u>Turkish</u>: E-Akcaer, Oğuz Ersen, Sabri Ünal</li>
 <li><u>Ukrainian</u>: Dan, volkov, Сергій</li>
+<li><u>Vietnamese</u>: Loc Huynh</li>
 </ul>

assets/htmls/third-party-libs.html

@@ -0,0 +1,15 @@
+<!-- Title -->
+<h1 align='center'><b>%1</b></h1>
+<!-- List intro message -->
+<p>%2</p>
+<p>%3</p>
+<ul>
+    <li>
+        <a href='https://www.qt.io/'>Qt</a><span>: </span>
+        <span>GPLv2 + GPLv3 + LGPLv2.1 + LGPLv3</span>
+    </li>
+    <li style="display: none;">
+        <a href='https://www.exiv2.org/'>Exiv2</a><span>: </span>
+        <span>GPLv2</span>
+    </li>
+</ul>

assets/icons/go-next.svg

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 75 75" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;">
-    <g transform="matrix(1,0,0,1,-119,-102)">
-        <g id="go-next" transform="matrix(1.25,0,0,1.44231,119,-7.61538)">
-            <rect x="0" y="76" width="60" height="52" style="fill:none;"/>
-            <g transform="matrix(0.8,0,0,0.693333,0.260244,25.056)">
-                <circle cx="37.175" cy="110.977" r="33.175" style="fill-opacity:0.15;stroke:white;stroke-width:2px;"/>
-            </g>
-            <g id="path867" transform="matrix(0.8,0,0,0.693333,1.80436,76.0055)">
-                <path d="M31.578,26.175L42.911,37.508L31.578,48.809" style="fill:none;fill-rule:nonzero;stroke:white;stroke-width:2px;"/>
-            </g>
-        </g>
-    </g>
-</svg>

assets/icons/go-previous.svg

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 75 75" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;">
-    <g transform="matrix(1,0,0,1,-39,-102)">
-        <g id="go-previous" transform="matrix(1.25,0,0,1.44231,39,-7.61538)">
-            <rect x="0" y="76" width="60" height="52" style="fill:none;"/>
-            <g transform="matrix(0.8,0,0,0.693333,0.260244,25.056)">
-                <circle cx="37.175" cy="110.977" r="33.175" style="fill-opacity:0.15;stroke:white;stroke-width:2px;"/>
-            </g>
-            <g id="path867" transform="matrix(0.8,0,0,0.693333,-1.8205,76.0055)">
-                <path d="M43.442,26.175L32.109,37.508L43.442,48.809" style="fill:none;fill-rule:nonzero;stroke:white;stroke-width:2px;"/>
-            </g>
-        </g>
-    </g>
-</svg>

assets/icons/object-rotate-right.svg

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 32 32" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
-    <g transform="matrix(1,0,0,1,-74,-7.10543e-15)">
-        <g id="object-rotate-right" transform="matrix(1,0,0,1,74,7.10543e-15)">
-            <rect x="0" y="0" width="32" height="32" style="fill:none;"/>
-            <g transform="matrix(1,0,0,1,-1,-0.275147)">
-                <g transform="matrix(1,0,0,1,-74,-7.10543e-15)">
-                    <path d="M100,18C100,22.967 95.967,27 91,27C86.033,27 82,22.967 82,18C82,13.033 86.033,9 91,9" style="fill:none;stroke:white;stroke-width:2px;"/>
-                </g>
-                <g transform="matrix(0.984136,-0.177418,0.177418,0.984136,-74.2676,16.4198)">
-                    <path d="M89,13L93,9L89,5" style="fill:none;stroke:white;stroke-width:2px;"/>
-                </g>
-            </g>
-        </g>
-    </g>
-</svg>

assets/icons/view-background-checkerboard.svg

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 32 32" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
-    <g transform="matrix(1,0,0,1,0,-37)">
-        <g id="view-background-checkerboard" transform="matrix(1,0,0,1,0,37)">
-            <rect x="0" y="0" width="32" height="32" style="fill:none;"/>
-            <g id="rect814" transform="matrix(0.964431,0,0,0.907545,0.187581,-988.266)">
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-            </g>
-            <g id="rect814-4" transform="matrix(0.984615,0,0,0.898704,-0.143354,-978.502)">
-                <rect x="16.396" y="1106.6" width="10.156" height="11.127" style="fill:white;fill-opacity:0.87;"/>
-            </g>
-            <g id="rect814-2" transform="matrix(0.963684,0,0,0.898697,0.199828,-978.495)">
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-            </g>
-            <g id="rect814-2-6" transform="matrix(0.980558,0,0,0.898693,-0.0768322,-978.47)">
-                <rect x="16.396" y="1095.45" width="10.198" height="11.127" style="fill:white;fill-opacity:0.07;"/>
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-                <rect x="80" y="42" width="20" height="21" style="fill:none;stroke:white;stroke-width:2.05px;"/>
-            </g>
-        </g>
-    </g>
-</svg>

assets/icons/view-fullscreen.svg

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 32 32" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
-    <g transform="matrix(1,0,0,1,-37,-37)">
-        <g id="view-fullscreen" transform="matrix(1,0,0,1,37,37)">
-            <rect x="0" y="0" width="32" height="32" style="fill:none;"/>
-            <g transform="matrix(1,0,0,1,-36,-37)">
-                <path d="M42,49L42,43L48,43" style="fill:none;stroke:white;stroke-width:2px;"/>
-            </g>
-            <g transform="matrix(-1,1.22465e-16,1.22465e-16,1,68,-37)">
-                <path d="M42,49L42,43L48,43" style="fill:none;stroke:white;stroke-width:2px;"/>
-            </g>
-            <g transform="matrix(1,-2.46519e-32,-2.46519e-32,-1,-36,69)">
-                <path d="M42,49L42,43L48,43" style="fill:none;stroke:white;stroke-width:2px;"/>
-            </g>
-            <g transform="matrix(1.11111,0,0,1.14286,-42.3333,-42.8571)">
-                <rect x="48" y="48" width="9" height="7" style="fill:none;stroke:white;stroke-width:1.77px;"/>
-            </g>
-            <g transform="matrix(-1,-1.22465e-16,1.22465e-16,-1,68,69)">
-                <path d="M42,49L42,43L48,43" style="fill:none;stroke:white;stroke-width:2px;"/>
-            </g>
-        </g>
-    </g>
-</svg>

assets/icons/window-close.svg

@@ -1,71 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="32"
-   height="32"
-   viewBox="0 0 8.4666665 8.4666669"
-   version="1.1"
-   id="svg8"
-   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
-   sodipodi:docname="window-close.svg">
-  <defs
-     id="defs2" />
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#000000"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0.69803922"
-     inkscape:pageshadow="2"
-     inkscape:zoom="22.627417"
-     inkscape:cx="19.29838"
-     inkscape:cy="15.79404"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     units="px"
-     inkscape:pagecheckerboard="true"
-     inkscape:window-width="1920"
-     inkscape:window-height="1001"
-     inkscape:window-x="-9"
-     inkscape:window-y="-9"
-     inkscape:window-maximized="1" />
-  <metadata
-     id="metadata5">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     inkscape:label="Layer 1"
-     inkscape:groupmode="layer"
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assets/icons/zoom-in.svg

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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-    <rect id="zoom-in" x="0" y="0" width="32" height="32" style="fill:none;"/>
-    <g id="zoom-in1" serif:id="zoom-in">
-        <g>
-            <g transform="matrix(1,0,0,1,-1,0)">
-                <circle cx="16" cy="15" r="9" style="fill:none;stroke:white;stroke-width:2px;"/>
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-            <g transform="matrix(0.8,0.8,-0.8,0.8,27.6,-17.2)">
-                <path d="M21,28L26,28" style="fill:none;stroke:white;stroke-width:2.65px;"/>
-            </g>
-            <path d="M11,15L19,15" style="fill:none;stroke:white;stroke-width:2px;"/>
-            <path d="M15,11L15,19" style="fill:none;stroke:white;stroke-width:2px;"/>
-        </g>
-    </g>
-</svg>

assets/icons/zoom-original.svg

@@ -1,24 +0,0 @@
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assets/icons/zoom-out.svg

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-            <rect x="0" y="0" width="32" height="32" style="fill:none;"/>
-            <g>
-                <g transform="matrix(1,0,0,1,-1,0)">
-                    <circle cx="16" cy="15" r="9" style="fill:none;stroke:white;stroke-width:2px;"/>
-                </g>
-                <g transform="matrix(0.8,0.8,-0.8,0.8,27.6,-17.2)">
-                    <path d="M21,28L26,28" style="fill:none;stroke:white;stroke-width:2.65px;"/>
-                </g>
-                <path d="M11,15L19,15" style="fill:none;stroke:white;stroke-width:2px;"/>
-            </g>
-        </g>
-    </g>
-</svg>

assets/pineapple-pictures.rc

@@ -1,17 +0,0 @@
-IDI_ICON1               ICON    DISCARDABLE     "icons/app-icon.ico"
-1               VERSIONINFO
-BEGIN
-    BLOCK "StringFileInfo"
-    BEGIN
-        BLOCK "040904E4"
-        BEGIN
-            VALUE "FileDescription", "Pineapple Pictures - Image Viewer"
-            VALUE "LegalCopyright", "MIT/Expat License - Copyright (C) 2024 Gary Wang"
-            VALUE "ProductName", "Pineapple Pictures"
-        END
-    END
-    BLOCK "VarFileInfo"
-    BEGIN
-        VALUE "Translation", 0x409, 1200
-    END
-END

assets/resources.qrc

@@ -1,15 +1,23 @@
 <RCC>
     <qresource prefix="/">
-        <file>icons/zoom-in.svg</file>
-        <file>icons/zoom-out.svg</file>
-        <file>icons/view-fullscreen.svg</file>
-        <file>icons/zoom-original.svg</file>
-        <file>icons/object-rotate-right.svg</file>
-        <file>icons/view-background-checkerboard.svg</file>
-        <file>icons/app-icon.svg</file>
-        <file>icons/window-close.svg</file>
-        <file>icons/go-next.svg</file>
-        <file>icons/go-previous.svg</file>
-        <file>plain/translators.html</file>
+        <!-- In-app icon resources -->
+        <file>icons/app-icon.png</file>
+        <file>icons/image-info.png</file>
+        <file>icons/fit-to-screen.png</file>
+        <file>icons/fit-to-size.png</file>
+        <file>icons/zoom-in.png</file>
+        <file>icons/zoom-out.png</file>
+        <file>icons/rotate-left.png</file>
+        <file>icons/rotate-right.png</file>
+        <file>icons/go-next.png</file>
+        <file>icons/go-previous.png</file>
+        <file>icons/flip-horizontal.png</file>
+        <file>icons/flip-vertical.png</file>
+        <!-- HTML resources -->
+        <file>htmls/help.html</file>
+        <file>htmls/about.html</file>
+        <file>htmls/special-thanks.html</file>
+        <file>htmls/license.html</file>
+        <file>htmls/third-party-libs.html</file>
     </qresource>
 </RCC>

dist/appstream/net.blumia.pineapple-pictures.metainfo.xml

@@ -1,249 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<component type="desktop-application">
-  <id>net.blumia.pineapple-pictures</id>
-  <name>Pineapple Pictures</name>
-  <name xml:lang="es">Pineapple Pictures</name>
-  <name xml:lang="ja">Pineapple Pictures</name>
-  <name xml:lang="nl">Pineapple Afbeeldingen</name>
-  <name xml:lang="ru">Pineapple Pictures</name>
-  <name xml:lang="ta">அன்னாசி படங்கள்</name>
-  <name xml:lang="uk">Pineapple Pictures</name>
-  <name xml:lang="zh-CN">菠萝看图</name>
-  <summary>Image Viewer</summary>
-  <summary xml:lang="es">Visor de imágenes</summary>
-  <summary xml:lang="ja">画像ビューアー</summary>
-  <summary xml:lang="nl">Afbeeldingsweergave</summary>
-  <summary xml:lang="ru">Просмотр изображений</summary>
-  <summary xml:lang="ta">பட பார்வையாளர்</summary>
-  <summary xml:lang="uk">Переглядач зображень</summary>
-  <summary xml:lang="zh-CN">图像查看器</summary>
-  <metadata_license>CC0-1.0</metadata_license>
-  <project_license>MIT</project_license>
-  <description>
-    <p>Pineapple Pictures is a lightweight and easy-to-use image viewer that comes with a handy navigation thumbnail when zoom-in, and doesn't contain any image management support.</p>
-    <p xml:lang="es">Pineapple Pictures es un visor de imágenes ligero y fácil de usar que viene con una práctica miniatura de navegación al hacer zoom, y no contiene ningún soporte de gestión de imágenes.</p>
-    <p xml:lang="ja">Pineapple Picturesは、ズームイン時に便利なナビゲーションサムネイルを備えた軽量で使いやすい画像ビューアです。画像管理のサポートは含まれていません。</p>
-    <p xml:lang="nl">Pineapple Afbeeldingen is een licht en eenvoudig te gebruiken afbeeldingsweergaveprogramma met miniatuurnavigatie na inzoomen. Het programma heeft echter geen fotobeheermogelijkheid.</p>
-    <p xml:lang="ru">Pineapple Pictures - это легкий и простой в использовании просмотрщик изображений, оснащенный удобной навигацией по миниатюрам при увеличении масштаба и не содержащий никакой поддержки управления изображениями.</p>
-    <p xml:lang="ta">அன்னாசி படங்கள் ஒரு இலகுரக மற்றும் பயன்படுத்த எளிதான பட பார்வையாளராகும், இது பெரிதாக்கும்போது ஒரு எளிமையான வழிசெலுத்தல் சிறுபடத்துடன் வருகிறது, மேலும் எந்த பட மேலாண்மை ஆதரவையும் கொண்டிருக்கவில்லை.</p>
-    <p xml:lang="uk">Pineapple Pictures – це легкий і простий у використанні переглядач зображень, який постачається зі зручною навігаційною мініатюрою при збільшенні масштабу і не містить жодної підтримки керування зображеннями.</p>
-    <p xml:lang="zh-CN">菠萝看图是一个轻量级易用的图像查看器，在图片放大时提供了方便的鸟瞰导航功能，且不包含任何图片管理功能。</p>
-  </description>
-  <developer id="net.blumia">
-    <name>Gary (BLumia) Wang et al.</name>
-    <name xml:lang="ja">Gary (BLumia) Wang など</name>
-    <name xml:lang="nl">Gary (BLumia) Wang e.a.</name>
-    <name xml:lang="ru">Gary (BLumia) Wang et al.</name>
-    <name xml:lang="uk">Gary (BLumia) Wang.</name>
-    <name xml:lang="zh-CN">Gary (BLumia) Wang 等人</name>
-  </developer>
-  <launchable type="desktop-id">net.blumia.pineapple-pictures.desktop</launchable>
-  <url type="homepage">https://github.com/BLumia/pineapple-pictures</url>
-  <url type="bugtracker">https://github.com/BLumia/pineapple-pictures/issues</url>
-  <url type="translate">https://hosted.weblate.org/projects/pineapple-pictures/</url>
-  <provides>
-    <binary>ppic</binary>
-  </provides>
-  <screenshots>
-    <screenshot type="default">
-      <caption>Main window when an image file is loaded</caption>
-      <caption xml:lang="es">Ventana principal cuando se carga un archivo de imagen</caption>
-      <caption xml:lang="ja">画像ファイル読み込み時のメインウィンドウ</caption>
-      <caption xml:lang="nl">Hoofdvenster na het laden van een afbeelding</caption>
-      <caption xml:lang="ru">Основное окно после загрузки файла изображения</caption>
-      <caption xml:lang="ta">ஒரு படக் கோப்பு ஏற்றப்படும் போது முதன்மையான சாளரம்</caption>
-      <caption xml:lang="uk">Головне вікно після завантаження файлу зображення</caption>
-      <caption xml:lang="zh-CN">加载图片后的主窗口</caption>
-      <image type="source" width="1503" height="640">https://pineapple-pictures.sourceforge.io/ppic-gui-static.png</image>
-    </screenshot>
-    <screenshot>
-      <caption>Zooming in a raster image</caption>
-      <caption xml:lang="es">Ampliar una imagen rasterizada</caption>
-      <caption xml:lang="ja">ラスター画像の拡大</caption>
-      <caption xml:lang="nl">Inzoomen op een roosterafbeelding</caption>
-      <caption xml:lang="ru">Масштабирование растрового изображения</caption>
-      <caption xml:lang="ta">ராச்டர் படத்தில் பெரிதாக்குதல்</caption>
-      <caption xml:lang="uk">Масштабування растрового зображення</caption>
-      <caption xml:lang="zh-CN">放大浏览位图</caption>
-      <image type="source" width="771" height="553">https://pineapple-pictures.sourceforge.io/ppic-zoom-raster.png</image>
-    </screenshot>
-    <screenshot>
-      <caption>Zooming in a vector image</caption>
-      <caption xml:lang="es">Ampliar una imagen vectorial</caption>
-      <caption xml:lang="ja">ベクター画像の拡大</caption>
-      <caption xml:lang="nl">Inzoomen op een vectorafbeelding</caption>
-      <caption xml:lang="ru">Масштабирование векторного изображения</caption>
-      <caption xml:lang="ta">ஒரு திசையன் படத்தில் பெரிதாக்குதல்</caption>
-      <caption xml:lang="uk">Масштабування векторного зображення</caption>
-      <caption xml:lang="zh-CN">放大浏览矢量图</caption>
-      <image type="source" width="771" height="553">https://pineapple-pictures.sourceforge.io/ppic-zoom-svg.png</image>
-    </screenshot>
-  </screenshots>
-  <releases>
-    <release type="stable" version="1.0.0" date="2025-05-03T00:00:00Z">
-      <description>
-        <p>This release adds the following features:</p>
-        <ul>
-          <li>Support enforce windowed mode on start-up</li>
-          <li>Reload image automatically when current image gets updated</li>
-        </ul>
-        <p>This release fixes the following bugs:</p>
-        <ul>
-          <li>Refer to the right exiv2 CMake module so it can be found on Linux</li>
-          <li>Display correct text language on macOS</li>
-        </ul>
-        <p>This release includes the following changes:</p>
-        <ul>
-          <li>Use native text for shortcut editor's label</li>
-          <li>Display native commandline message when possible</li>
-          <li>Merge Qt translations into app applications as well</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>Heimen Stoffels, albanobattistella, mmahhi</p>
-      </description>
-    </release>
-    <release type="stable" version="0.9.2" date="2025-03-05T00:00:00Z">
-      <description>
-        <p>This release fixes the following bug:</p>
-        <ul>
-          <li>Refer to the right exiv2 CMake module so it can be found on Linux</li>
-        </ul>
-        <p>This release includes the following changes:</p>
-        <ul>
-          <li>Convert DEP5 to REUSE.toml for better REUSE compliance</li>
-          <li>Update translations</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>Pino Toscano, TamilNeram</p>
-      </description>
-    </release>
-    <release type="stable" version="0.9.1" date="2025-01-25T00:00:00Z">
-      <description>
-        <p>This release adds the following features:</p>
-        <ul>
-          <li>Option to double-click to fullscreen</li>
-          <li>Build-time option to embed translation resources</li>
-        </ul>
-        <p>This release fixes the following bugs:</p>
-        <ul>
-          <li>Fix window size not adjusted when open file on macOS</li>
-          <li>Should center window according to available screen geometry</li>
-        </ul>
-        <p>This release includes the following changes:</p>
-        <ul>
-          <li>Change close window bahavior on macOS</li>
-          <li>Update translations</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>albanobattistella, Sabri Ünal</p>
-      </description>
-    </release>
-    <release type="stable" version="0.9.0" date="2024-12-08T00:00:00Z">
-      <description>
-        <p>This release adds the following features:</p>
-        <ul>
-          <li>Support custom shortcuts for existing actions</li>
-          <li>Actions for frame-by-frame animated image playback support</li>
-        </ul>
-        <p>This release includes the following changes:</p>
-        <ul>
-          <li>Initial macOS bundle support</li>
-          <li>bump minimum required CMake version to 3.16</li>
-          <li>Update translations</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>albanobattistella, VenusGirl, gallegonovato, Sabri Ünal</p>
-      </description>
-    </release>
-    <release type="stable" version="0.8.2.1" date="2024-10-27T00:00:00Z">
-      <description>
-        <p>This release fixes the following bug:</p>
-        <ul>
-          <li>Cannot load translations caused by a change in 0.8.2</li>
-        </ul>
-      </description>
-    </release>
-    <release type="stable" version="0.8.2" date="2024-10-26T00:00:00Z">
-      <description>
-        <p>This release adds the following feature:</p>
-        <ul>
-          <li>New option to allow use light-color checkerboard by default</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>albanobattistella, mmahhi, gallegonovato</p>
-      </description>
-    </release>
-    <release type="stable" version="0.8.1" date="2024-08-25T00:00:00Z">
-      <description>
-        <p>This release adds the following feature:</p>
-        <ul>
-          <li>New command line option to list all supported formats</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>albanobattistella, mmahhi, ovl-1, gallegonovato, Oğuz Ersen</p>
-      </description>
-    </release>
-    <release type="stable" version="0.8.0" date="2024-06-29T00:00:00Z">
-      <description>
-        <p>This release adds the following feature:</p>
-        <ul>
-          <li>Support move image file to trash</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>albanobattistella, mmahhi, gallegonovato, Oğuz Ersen</p>
-      </description>
-    </release>
-    <release type="stable" version="0.7.4" date="2024-04-04T00:00:00Z">
-      <description>
-        <p>This release adds the following feature:</p>
-        <ul>
-          <li>Add some icons for corresponding menu actions</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>Reza Almanda, mmahhi, Oğuz Ersen, volkov, Сергій</p>
-      </description>
-    </release>
-    <release type="stable" version="0.7.3" date="2023-10-24T00:00:00Z">
-      <description>
-        <p>This release adds the following feature:</p>
-        <ul>
-          <li>Add "Keep transformation" to menu</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>mmahhi, VenusGirl, albanobattistella, gallegonovato, Heimen Stoffels</p>
-      </description>
-    </release>
-    <release type="stable" version="0.7.2" date="2023-08-27T00:00:00Z">
-      <description>
-        <p>This release adds the following feature:</p>
-        <ul>
-          <li>Add an option in setting dialog to tweak the High-DPI scaling rounding policy (might only works in Qt 6 build)</li>
-        </ul>
-        <p>This release fixes the following bugs:</p>
-        <ul>
-          <li>Remove image size limit for Qt 6 build</li>
-          <li>Fix application icon install location under Linux</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>Heimen Stoffels, Andrey, Dan, gallegonovato, albanobattistella, Sabri Ünal</p>
-      </description>
-    </release>
-    <release type="stable" version="0.7.1" date="2023-07-08T00:00:00Z">
-      <description>
-        <p>This release adds the following features:</p>
-        <ul>
-          <li>TIF and TIFF format files in the same folder will now be automatically added to the gallery</li>
-          <li>Built-in window resizing now also supports Linux desktop. (macOS might also works as well)</li>
-        </ul>
-        <p>This release fixes the following bugs:</p>
-        <ul>
-          <li>Settings dialog will automatedly use a suitable size instead of a hard-coded one</li>
-          <li>Fix default configuration file location under Linux. (was `~/.config/config.ini`, now it's `~/.config/Pineapple Pictures/config.ini`)</li>
-        </ul>
-        <p>With contributions from:</p>
-        <p>yyc12345</p>
-      </description>
-    </release>
-  </releases>
-  <content_rating type="oars-1.1"/>
-</component>

dist/appstream/po/net.blumia.pineapple-pictures.metainfo.pot

@@ -1,46 +0,0 @@
-msgid ""
-msgstr ""
-"Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2023-08-22 18:49中国标准时间\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
-"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
-"Language-Team: LANGUAGE <LL@li.org>\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: 8bit\n"
-
-#. (itstool) path: component/name
-#: net.blumia.pineapple-pictures.metainfo.xml:7
-msgid "Pineapple Pictures"
-msgstr ""
-
-#. (itstool) path: component/summary
-#: net.blumia.pineapple-pictures.metainfo.xml:9
-msgid "Image Viewer"
-msgstr ""
-
-#. (itstool) path: description/p
-#: net.blumia.pineapple-pictures.metainfo.xml:12
-msgid "Pineapple Pictures is a lightweight and easy-to-use image viewer that comes with a handy navigation thumbnail when zoom-in, and doesn't contain any image management support."
-msgstr ""
-
-#. (itstool) path: screenshot/caption
-#: net.blumia.pineapple-pictures.metainfo.xml:17
-msgid "Main window when an image file is loaded"
-msgstr ""
-
-#. (itstool) path: screenshot/caption
-#: net.blumia.pineapple-pictures.metainfo.xml:22
-msgid "Zooming in a raster image"
-msgstr ""
-
-#. (itstool) path: screenshot/caption
-#: net.blumia.pineapple-pictures.metainfo.xml:27
-msgid "Zooming in a vector image"
-msgstr ""
-
-#. (itstool) path: component/developer_name
-#: net.blumia.pineapple-pictures.metainfo.xml:34
-msgid "Gary (BLumia) Wang et al."
-msgstr ""
-

dist/net.blumia.pineapple-pictures.desktop

@@ -1,15 +0,0 @@
-[Desktop Entry]
-Categories=Graphics;
-Comment=Pineapple Pictures is a lightweight image viewer
-Comment[zh_CN]=菠萝看图是一个轻量级的图像查看器
-Exec=ppic %F
-GenericName=Image Viewer
-GenericName[zh_CN]=图像查看器
-Icon=net.blumia.pineapple-pictures
-Keywords=Picture;Image;Viewer;Jpg;Jpeg;Png;
-MimeType=image/bmp;image/bmp24;image/jpg;image/jpe;image/jpeg;image/jpeg24;image/jng;image/pcd;image/pcx;image/png;image/tif;image/tiff;image/tiff24;image/dds;image/gif;image/sgi;image/j2k;image/jp2;image/pct;image/wdp;image/arw;image/icb;image/dng;image/vda;image/vst;image/svg;image/ptif;image/mef;image/xbm;image/svg+xml;
-Name=Pineapple Pictures
-Name[zh_CN]=菠萝看图
-StartupNotify=false
-Type=Application
-Terminal=false

dist/net.blumia.pineapple-pictures.desktop.liquid

@@ -0,0 +1,18 @@
+[Desktop Entry]
+Type=Application
+Name={{ default.strings.name | desktop_escape }}
+GenericName={{ default.strings.generic_name | desktop_escape }}
+Comment={{ default.strings.comment | desktop_escape }}
+Exec=ppic %F
+Icon=net.blumia.pineapple-pictures
+Terminal=false
+StartupNotify=false
+Categories=Graphics;
+MimeType=image/bmp;image/bmp24;image/jpg;image/jpe;image/jpeg;image/jpeg24;image/jng;image/pcd;image/pcx;image/png;image/tif;image/tiff;image/tiff24;image/dds;image/gif;image/sgi;image/j2k;image/jp2;image/pct;image/wdp;image/arw;image/icb;image/dng;image/vda;image/vst;image/svg;image/ptif;image/mef;image/xbm;image/svg+xml;
+Keywords={{ default.strings.keywords | desktop_escape }}
+{% for lang in languages %}
+Name[{{ lang.locale }}]={{ lang.strings.name | desktop_escape }}
+GenericName[{{ lang.locale }}]={{ lang.strings.generic_name | desktop_escape }}
+Comment[{{ lang.locale }}]={{ lang.strings.comment | desktop_escape }}
+Keywords[{{ lang.locale }}]={{ lang.strings.keywords | desktop_escape }}
+{% endfor %}

dist/net.blumia.pineapple-pictures.desktop.toml

@@ -0,0 +1,18 @@
+version = 1
+source_language = "en"
+
+[strings.name]
+msgid = "Pineapple Pictures"
+comment = "Display name of the application."
+
+[strings.generic_name]
+msgid = "Image Viewer"
+comment = "Generic name describing the application category."
+
+[strings.comment]
+msgid = "Pineapple Pictures is a lightweight image viewer"
+comment = "Tooltip-like description of the application."
+
+[strings.keywords]
+msgid = "Picture;Image;Viewer;Jpg;Jpeg;Png;"
+comment = "Search keywords. Semicolon separated list; the trailing semicolon is required."

dist/net.blumia.pineapple-pictures.metainfo.xml.liquid

@@ -0,0 +1,384 @@
+<?xml version="1.0" encoding="utf-8"?>
+<component type="desktop-application">
+  <id>net.blumia.pineapple-pictures</id>
+  <name>{{ default.strings.name | xml_escape }}</name>
+{% for lang in languages %}
+  <name xml:lang="{{ lang.lang }}">{{ lang.strings.name | xml_escape }}</name>
+{% endfor %}
+  <summary>{{ default.strings.summary | xml_escape }}</summary>
+{% for lang in languages %}
+  <summary xml:lang="{{ lang.lang }}">{{ lang.strings.summary | xml_escape }}</summary>
+{% endfor %}
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>MIT</project_license>
+  <description>
+    <p>{{ default.strings.description | xml_escape }}</p>
+{% for lang in languages %}
+    <p xml:lang="{{ lang.lang }}">{{ lang.strings.description | xml_escape }}</p>
+{% endfor %}
+  </description>
+  <developer id="net.blumia">
+    <name>{{ default.strings.developer_name | xml_escape }}</name>
+{% for lang in languages %}
+    <name xml:lang="{{ lang.lang }}">{{ lang.strings.developer_name | xml_escape }}</name>
+{% endfor %}
+  </developer>
+  <launchable type="desktop-id">net.blumia.pineapple-pictures.desktop</launchable>
+  <url type="homepage">https://github.com/BLumia/pineapple-pictures</url>
+  <url type="bugtracker">https://github.com/BLumia/pineapple-pictures/issues</url>
+  <url type="donation">https://ko-fi.com/blumia</url>
+  <url type="translate">https://hosted.weblate.org/projects/pineapple-pictures/</url>
+  <url type="vcs-browser">https://github.com/BLumia/pineapple-pictures</url>
+  <provides>
+    <binary>ppic</binary>
+  </provides>
+  <screenshots>
+    <screenshot type="default">
+      <caption>{{ default.strings.screenshot_caption_main | xml_escape }}</caption>
+{% for lang in languages %}
+      <caption xml:lang="{{ lang.lang }}">{{ lang.strings.screenshot_caption_main | xml_escape }}</caption>
+{% endfor %}
+      <image type="source" width="1503" height="640">https://pineapple-pictures.sourceforge.io/ppic-gui-static.png</image>
+    </screenshot>
+    <screenshot>
+      <caption>{{ default.strings.screenshot_caption_raster | xml_escape }}</caption>
+{% for lang in languages %}
+      <caption xml:lang="{{ lang.lang }}">{{ lang.strings.screenshot_caption_raster | xml_escape }}</caption>
+{% endfor %}
+      <image type="source" width="771" height="553">https://pineapple-pictures.sourceforge.io/ppic-zoom-raster.png</image>
+    </screenshot>
+    <screenshot>
+      <caption>{{ default.strings.screenshot_caption_vector | xml_escape }}</caption>
+{% for lang in languages %}
+      <caption xml:lang="{{ lang.lang }}">{{ lang.strings.screenshot_caption_vector | xml_escape }}</caption>
+{% endfor %}
+      <image type="source" width="771" height="553">https://pineapple-pictures.sourceforge.io/ppic-zoom-svg.png</image>
+    </screenshot>
+  </screenshots>
+  <releases>
+    <release type="stable" version="1.6.0" date="2026-08-22T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Allow dragging window from titlebar to move window when maximized</li>
+          <li>Add an option to show/hide bird-eye view</li>
+        </ul>
+        <p>This release fixes the following bugs:</p>
+        <ul>
+          <li>Maximize the window when the image size matches the screen size</li>
+          <li>Fix window might stuck when drag move on some ill-formed window manager</li>
+          <li>Make titlebar respect RTL layout</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Update translations</li>
+          <li>Update Qt version to 6.11.2 for Windows and macOS pre-built binaries</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Tech-Tac, Heimen Stoffels (vistaus), VenusGirl, Oğuz Ersen</p>
+      </description>
+    </release>
+    <release type="stable" version="1.5.0" date="2026-07-04T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Introduced an optional titlebar that display file name and allows drag and double-click to move and toggle maximize state</li>
+          <li>Windows: Now the application will use the system's built-in animation for open window animation</li>
+        </ul>
+        <p>This release fixes the following bug:</p>
+        <ul>
+          <li>Show empty url list should also reset window title to blank</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Update translations</li>
+          <li>Add vcs-browser link to AppStream metadata</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels (vistaus), VenusGirl (VenusGirl)</p>
+      </description>
+    </release>
+    <release type="stable" version="1.4.1" date="2026-04-05T00:00:00Z">
+      <description>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Update translations</li>
+          <li>Update Qt version to 6.10.3 for Windows and macOS pre-built binaries</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels (vistaus), Loc Huynh (hthienloc)</p>
+      </description>
+    </release>
+    <release type="stable" version="1.4.0" date="2026-02-11T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Action to save image as new file with different format</li>
+          <li>Add Vietnamese and Slovenian translation</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Update copyright year to 2026</li>
+          <li>Update translations</li>
+          <li>Update Qt version to 6.10.2 for Windows and macOS pre-built binaries</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Loc Huynh, Sabri Ünal, VenusGirl, Andrej Poženel, Andrey</p>
+      </description>
+    </release>
+    <release type="stable" version="1.3.0" date="2025-12-20T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>New option to limit SVG support to SVG Tiny 1.2 standard</li>
+          <li>Windows: ship tools and configurations that help user associate image files to this program</li>
+        </ul>
+        <p>This release fixes the following bugs:</p>
+        <ul>
+          <li>Fix window not appear at the screen that the mouse cursor is at</li>
+          <li>Fix Windows prebuilt binary having AVIF plugin included but not actually support it</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>CPack DEB: will now recommend "kimageformat6-plugins" instead of the KF5 version</li>
+          <li>Update translations</li>
+          <li>Update exiv2 version for Windows binary build</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>VenusGirl, Andrey</p>
+      </description>
+    </release>
+    <release type="stable" version="1.2.1" date="2025-11-22T00:00:00Z">
+      <description>
+        <p>This release fixes the following bug:</p>
+        <ul>
+          <li>Fix incorrect color when display some CMYK images.</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Now use Qt 6.10.1 for pre-built binary</li>
+          <li>Update README description and AppStream metainfo</li>
+          <li>Update translations</li>
+          <li>Update libavif, AOM and expat version for Windows binary build</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>albanobattistella</p>
+      </description>
+    </release>
+    <release type="stable" version="1.2.0" date="2025-09-21T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Long image mode that detect extra wide image and auto fit by its thin side</li>
+          <li>Windows: Add product version to binary metadata / resource file</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Update translations</li>
+          <li>Update libavif version for Windows binary build</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels, albanobattistella, Sabri Ünal</p>
+      </description>
+    </release>
+    <release type="stable" version="1.1.1" date="2025-08-02T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>Click dock icon should show window when it's hidden on macOS</li>
+        </ul>
+        <p>This release fixes the following bug:</p>
+        <ul>
+          <li>Ensure "Fit by Width" position the view to the beginning of the image</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Update translations</li>
+          <li>Update Exiv2 version for Windows binary build</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels, VenusGirl, தமிழ்நேரம்</p>
+      </description>
+    </release>
+    <release type="stable" version="1.1.0" date="2025-07-06T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>New option to disable built-in close window animation</li>
+          <li>New option to disable gallery looping</li>
+          <li>Support load m3u8 as image gallery playlist</li>
+        </ul>
+        <p>This release includes the following change:</p>
+        <ul>
+          <li>Drop Qt 5 support</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels, albanobattistella, தமிழ்நேரம்</p>
+      </description>
+    </release>
+    <release type="stable" version="1.0.0" date="2025-05-03T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Support enforces windowed mode on start-up</li>
+          <li>Reload image automatically when current image gets updated</li>
+        </ul>
+        <p>This release fixes the following bug:</p>
+        <ul>
+          <li>Display correct text language on macOS</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Use native text for shortcut editor's label</li>
+          <li>Display native commandline message when possible</li>
+          <li>Merge Qt translations into app applications as well</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels, albanobattistella, mmahhi</p>
+      </description>
+    </release>
+    <release type="stable" version="0.9.2" date="2025-03-05T00:00:00Z">
+      <description>
+        <p>This release fixes the following bug:</p>
+        <ul>
+          <li>Refer to the right exiv2 CMake module so it can be found on Linux</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Convert DEP5 to REUSE.toml for better REUSE compliance</li>
+          <li>Update translations</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Pino Toscano, TamilNeram</p>
+      </description>
+    </release>
+    <release type="stable" version="0.9.1" date="2025-01-25T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Option to double-click to fullscreen</li>
+          <li>Build-time option to embed translation resources</li>
+        </ul>
+        <p>This release fixes the following bugs:</p>
+        <ul>
+          <li>Fix window size not adjusted when open file on macOS</li>
+          <li>Should center window according to available screen geometry</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Change close window bahavior on macOS</li>
+          <li>Update translations</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>albanobattistella, Sabri Ünal</p>
+      </description>
+    </release>
+    <release type="stable" version="0.9.0" date="2024-12-08T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>Support custom shortcuts for existing actions</li>
+          <li>Actions for frame-by-frame animated image playback support</li>
+        </ul>
+        <p>This release includes the following changes:</p>
+        <ul>
+          <li>Initial macOS bundle support</li>
+          <li>bump minimum required CMake version to 3.16</li>
+          <li>Update translations</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>albanobattistella, VenusGirl, gallegonovato, Sabri Ünal</p>
+      </description>
+    </release>
+    <release type="stable" version="0.8.2.1" date="2024-10-27T00:00:00Z">
+      <description>
+        <p>This release fixes the following bug:</p>
+        <ul>
+          <li>Cannot load translations caused by a change in 0.8.2</li>
+        </ul>
+      </description>
+    </release>
+    <release type="stable" version="0.8.2" date="2024-10-26T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>New option to allow use light-color checkerboard by default</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>albanobattistella, mmahhi, gallegonovato</p>
+      </description>
+    </release>
+    <release type="stable" version="0.8.1" date="2024-08-25T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>New command line option to list all supported formats</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>albanobattistella, mmahhi, ovl-1, gallegonovato, Oğuz Ersen</p>
+      </description>
+    </release>
+    <release type="stable" version="0.8.0" date="2024-06-29T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>Support move image file to trash</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>albanobattistella, mmahhi, gallegonovato, Oğuz Ersen</p>
+      </description>
+    </release>
+    <release type="stable" version="0.7.4" date="2024-04-04T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>Add some icons for corresponding menu actions</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Reza Almanda, mmahhi, Oğuz Ersen, volkov, Сергій</p>
+      </description>
+    </release>
+    <release type="stable" version="0.7.3" date="2023-10-24T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>Add "Keep transformation" to menu</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>mmahhi, VenusGirl, albanobattistella, gallegonovato, Heimen Stoffels</p>
+      </description>
+    </release>
+    <release type="stable" version="0.7.2" date="2023-08-27T00:00:00Z">
+      <description>
+        <p>This release adds the following feature:</p>
+        <ul>
+          <li>Add an option in setting dialog to tweak the High-DPI scaling rounding policy (might only works in Qt 6 build)</li>
+        </ul>
+        <p>This release fixes the following bugs:</p>
+        <ul>
+          <li>Remove image size limit for Qt 6 build</li>
+          <li>Fix application icon install location under Linux</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>Heimen Stoffels, Andrey, Dan, gallegonovato, albanobattistella, Sabri Ünal</p>
+      </description>
+    </release>
+    <release type="stable" version="0.7.1" date="2023-07-08T00:00:00Z">
+      <description>
+        <p>This release adds the following features:</p>
+        <ul>
+          <li>TIF and TIFF format files in the same folder will now be automatically added to the gallery</li>
+          <li>Built-in window resizing now also supports Linux desktop. (macOS might also works as well)</li>
+        </ul>
+        <p>This release fixes the following bugs:</p>
+        <ul>
+          <li>Settings dialog will automatedly use a suitable size instead of a hard-coded one</li>
+          <li>Fix default configuration file location under Linux. (was `~/.config/config.ini`, now it's `~/.config/Pineapple Pictures/config.ini`)</li>
+        </ul>
+        <p>With contributions from:</p>
+        <p>yyc12345</p>
+      </description>
+    </release>
+  </releases>
+  <content_rating type="oars-1.1"/>
+</component>

dist/net.blumia.pineapple-pictures.metainfo.xml.toml

@@ -0,0 +1,30 @@
+version = 1
+source_language = "en"
+
+[strings.name]
+msgid = "Pineapple Pictures"
+comment = "Display name of the application."
+
+[strings.summary]
+msgid = "Image Viewer"
+comment = "One-line summary shown in software centers."
+
+[strings.description]
+msgid = "Pineapple Pictures is a lightweight and easy-to-use image viewer that comes with a handy navigation thumbnail when zoom-in, and doesn't contain any image management support."
+comment = "Description paragraph shown in the details page."
+
+[strings.developer_name]
+msgid = "Gary (BLumia) Wang et al."
+comment = "Name of the application developers."
+
+[strings.screenshot_caption_main]
+msgid = "Main window when an image file is loaded"
+comment = "Caption of the primary screenshot."
+
+[strings.screenshot_caption_raster]
+msgid = "Zooming in a raster image"
+comment = "Caption of the raster image zooming screenshot."
+
+[strings.screenshot_caption_vector]
+msgid = "Zooming in a vector image"
+comment = "Caption of the vector image zooming screenshot."