chore: remove gitee release page link from README.zh_CN.md

chore: simplified long image mode code
i18n: update ts files
2025-08-23 15:24:00 +08:00 · 2025-08-05 00:06:05 +08:00 · 2025-08-04 21:56:58 +08:00 · 2025-08-04 20:41:49 +08:00 · 2025-08-02 13:30:14 +08:00 · 2025-08-01 23:44:43 +08:00
67 changed files with 7281 additions and 6646 deletions
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@ -0,0 +1,3 @@
+# .git-blame-ignore-revs
+# CR LF to LF
+ed5a6023326fd2ab420ded76976501be33e0b389
--- a/.gitattributes
+++ b/.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
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@ -12,7 +12,7 @@ jobs:
    - name: Install Qt
      uses: jurplel/install-qt-action@v4
      with:
-        version: '6.9.0'
+        version: '6.9.1'
        modules: 'qtimageformats'
    - name: Install Conan and Dependencies
      id: conan
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@ -3,30 +3,6 @@ name: Ubuntu CI
 on: [push, pull_request]

 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:
@ -39,7 +15,7 @@ jobs:
        run: |
          mkdir build
          cd build
-          cmake ../ -DPREFER_QT_5=OFF
+          cmake ../
          make
          cpack -G DEB
      - name: Try install it
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@ -8,7 +8,7 @@ jobs:
    strategy:
      matrix:
        include:
-          - qt_ver: '6.9.0'
+          - qt_ver: '6.9.1'
            vs: '2022'
            aqt_arch: 'win64_msvc2022_64'
            msvc_arch: 'x64'
@ -44,7 +44,7 @@ jobs:
    strategy:
      matrix:
        include:
-          - qt_ver: '6.9.0'
+          - qt_ver: '6.9.1'
            vs: '2022'
            aqt_arch: 'win64_msvc2022_64'
            msvc_arch: 'x64'
@ -72,9 +72,9 @@ 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/v0.28.5/exiv2-0.28.5-2022msvc-AMD64.zip
        7z x exiv2_bin.zip -y
-        ren .\exiv2-0.28.3-2019msvc64 dependencies_bin
+        ren .\exiv2-0.28.5-2022msvc-AMD64 dependencies_bin
        echo ::endgroup::
        echo ::group::===== zlib =====
        curl -fsSL -o zlib_src.zip https://zlib.net/zlib131.zip
@ -109,7 +109,7 @@ 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 =====
--- a/.gitignore
+++ b/.gitignore
@ -11,6 +11,8 @@

 # Generic Build Dir
 [Bb]uild/
+cmake-build-*/

 # IDE/Editor config folders
 .vscode/
+.idea/
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -4,13 +4,12 @@

 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 1.1.1) # 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)
@ -18,27 +17,15 @@ set (CMAKE_CXX_STANDARD_REQUIRED ON)
 set (CMAKE_AUTOMOC ON)
 set (CMAKE_AUTORCC 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 "6.4")

 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} ${QT_MINIMUM_VERSION} CONFIG REQUIRED SvgWidgets)
-endif ()
-
 if (EXIV2_METADATA_SUPPORT)
    find_package(exiv2)
    set_package_properties(exiv2 PROPERTIES
@ -117,32 +104,25 @@ add_executable (${EXE_NAME}
    ${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 (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 ${PPIC_TS_FILES} QM_FILES_OUTPUT_VARIABLE PPIC_QM_FILES)
-    endif()
+if (TRANSLATION_RESOURCE_EMBEDDING)
+    qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES})
 else()
-    qt_create_translation(PPIC_QM_FILES ${PPIC_CPP_FILES_FOR_I18N} ${PPIC_TS_FILES})
+    qt_add_translations(${EXE_NAME} ${ADD_TRANSLATIONS_ADDITIONAL_ARGS} TS_FILES ${PPIC_TS_FILES} QM_FILES_OUTPUT_VARIABLE PPIC_QM_FILES)
 endif()

 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 +133,7 @@ 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
    )
--- a/42
+++ b/42
@ -1,21 +1,21 @@
-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.
+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.
--- a/35
+++ b/35
@ -1,13 +1,44 @@
+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:
--- a/README.md
+++ b/README.md
@ -23,8 +23,7 @@ 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!

--- a/README.zh_CN.md
+++ b/README.zh_CN.md
@ -16,7 +16,7 @@

 ### 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)
@ -24,8 +24,7 @@

 ### 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!

--- a/REUSE.toml
+++ b/REUSE.toml
@ -1,33 +1,33 @@
-version = 1
-SPDX-PackageName = "Pineapple Pictures"
-SPDX-PackageDownloadLocation = "https://github.com/BLumia/pineapple-pictures"
-
-[[annotations]]
-path = [".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/**"]
-precedence = "aggregate"
-SPDX-FileCopyrightText = "None"
-SPDX-License-Identifier = "CC0-1.0"
-
-[[annotations]]
-path = ["app/translations/**.ts", "assets/plain/translators.html"]
-precedence = "aggregate"
-SPDX-FileCopyrightText = "Translators from hosted.weblate.org"
-SPDX-License-Identifier = "MIT"
-
-[[annotations]]
-path = "assets/icons/**.svg"
-precedence = "aggregate"
-SPDX-FileCopyrightText = "2022 Gary Wang"
-SPDX-License-Identifier = "MIT"
-
-[[annotations]]
-path = "assets/icons/app-icon.**"
-precedence = "aggregate"
-SPDX-FileCopyrightText = "2020 Lovelyblack"
-SPDX-License-Identifier = "MIT"
+version = 1
+SPDX-PackageName = "Pineapple Pictures"
+SPDX-PackageDownloadLocation = "https://github.com/BLumia/pineapple-pictures"
+
+[[annotations]]
+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/**"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "None"
+SPDX-License-Identifier = "CC0-1.0"
+
+[[annotations]]
+path = ["app/translations/**.ts", "assets/plain/translators.html"]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "Translators from hosted.weblate.org"
+SPDX-License-Identifier = "MIT"
+
+[[annotations]]
+path = "assets/icons/**.svg"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2022 Gary Wang"
+SPDX-License-Identifier = "MIT"
+
+[[annotations]]
+path = "assets/icons/app-icon.**"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2020 Lovelyblack"
+SPDX-License-Identifier = "MIT"
--- a/app/aboutdialog.cpp
+++ b/app/aboutdialog.cpp
@ -1,179 +1,181 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "aboutdialog.h"
-
-#include <QAbstractButton>
-#include <QDialogButtonBox>
-#include <QTextBrowser>
-#include <QTabWidget>
-#include <QVBoxLayout>
-#include <QApplication>
-#include <QLabel>
-#include <QPushButton>
-#include <QFile>
-
-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)
-{
-    this->setWindowTitle(tr("About"));
-
-    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>")
-    };
-
-    const QStringList aboutStr {
-        QStringLiteral("<center><img width='128' height='128' src=':/icons/app-icon.svg'/><br/>"),
-        qApp->applicationDisplayName(),
-        (QStringLiteral("<br/>") + tr("Version: %1").arg(
-#ifdef GIT_DESCRIBE_VERSION_STRING
-            GIT_DESCRIBE_VERSION_STRING
-#else
-            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>")
-    };
-
-    QFile translaterHtml(":/plain/translators.html");
-    bool canOpenFile = translaterHtml.open(QIODevice::ReadOnly);
-    const QByteArray & translatorList = canOpenFile ? translaterHtml.readAll() : QByteArrayLiteral("");
-
-    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.")
-        ),
-
-        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 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>")
-    };
-
-    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](){
-        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()
-{
-
-}
-
-QSize AboutDialog::sizeHint() const
-{
-    return QSize(520, 350);
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "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;
+
+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)
+{
+    this->setWindowTitle(tr("About"));
+
+    const QStringList helpStr {
+        u"<p>%1</p>"_s.arg(tr("Launch application with image file path as argument to load the file.")),
+        u"<p>%1</p>"_s.arg(tr("Drag and drop image file onto the window is also supported.")),
+        u"<p>%1</p>"_s.arg(tr("None of the operations in this application will alter the pictures on disk.")),
+        u"<p>%1</p>"_s.arg(tr("Context menu option explanation:")),
+        u"<ul>"_s,
+        // 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.
+        u"<li><b>%1</b>:<br/>%2</li>"_s
+            .arg(QCoreApplication::translate("MainWindow", "Stay on top"))
+            .arg(tr("Make window stay on top of all other windows.")),
+        u"<li><b>%1</b>:<br/>%2</li>"_s
+            .arg(QCoreApplication::translate("MainWindow", "Protected mode"))
+            .arg(tr("Avoid close window accidentally. (eg. by double clicking the window)")),
+        u"<li><b>%1</b>:<br/>%2</li>"_s
+            .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.")),
+        u"</ul>"_s
+    };
+
+    const QStringList aboutStr {
+        u"<center><img width='128' height='128' src=':/icons/app-icon.svg'/><br/>"_s,
+        qApp->applicationDisplayName(),
+        (u"<br/>"_s + tr("Version: %1").arg(
+#ifdef GIT_DESCRIBE_VERSION_STRING
+            GIT_DESCRIBE_VERSION_STRING
+#else
+            qApp->applicationVersion()
+#endif // GIT_DESCRIBE_VERSION_STRING
+        )),
+        u"<hr/>"_s,
+        tr("Copyright (c) %1 %2", "%1 is year, %2 is the name of copyright holder(s)")
+            .arg(u"2025"_s, u"<a href='https://github.com/BLumia'>@BLumia</a>"_s),
+        u"<br/>"_s,
+        tr("Logo designed by %1").arg(u"<a href='https://github.com/Lovelyblack'>@Lovelyblack</a>"_s),
+        u"<hr/>"_s,
+        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")),
+        u"</center>"_s
+    };
+
+    QFile translaterHtml(u":/plain/translators.html"_s);
+    bool canOpenFile = translaterHtml.open(QIODevice::ReadOnly);
+    const QByteArray & translatorList = canOpenFile ? translaterHtml.readAll() : QByteArrayLiteral("");
+
+    const QStringList specialThanksStr {
+        u"<h1 align='center'>%1</h1><a href='%2'>%3</a><p>%4</p>"_s.arg(
+            tr("Contributors"),
+            u"https://github.com/BLumia/pineapple-pictures/graphs/contributors"_s,
+            tr("List of contributors on GitHub"),
+            tr("Thanks to all people who contributed to this project.")
+        ),
+
+        u"<h1 align='center'>%1</h1><p>%2</p>%3"_s.arg(
+            tr("Translators"),
+            tr("I would like to thank the following people who volunteered to translate this application."),
+            translatorList
+        )
+    };
+
+    const QStringList licenseStr {
+        u"<h1 align='center'><b>%1</b></h1>"_s.arg(tr("Your Rights")),
+        u"<p>%1</p><p>%2</p><ul><li>%3</li><li>%4</li><li>%5</li><li>%6</li></ul>"_s.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(u"<i>%1</i>"_s),
+        u"<p>%1</p>"_s.arg(tr("The MIT license guarantees you this freedom. Nobody is ever permitted to take it away.")),
+        u"<hr/><pre>%2</pre>"_s
+    };
+
+    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 {
+        u"<h1 align='center'><b>%1</b></h1>"_s.arg(tr("Third-party Libraries used by %1")),
+        tr("%1 is built on the following free software libraries:", "Free as in freedom"),
+        u"<ul>"_s,
+#ifdef HAVE_EXIV2_VERSION
+        u"<li><a href='%1'>%2</a>: %3</li>"_s.arg("https://www.exiv2.org/", "Exiv2", "GPLv2"),
+#endif // EXIV2_VERSION
+        u"<li><a href='%1'>%2</a>: %3</li>"_s.arg("https://www.qt.io/", "Qt", "GPLv2 + GPLv3 + LGPLv2.1 + LGPLv3"),
+        u"</ul>"_s
+    };
+
+    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(u"<i>%1</i>"_s).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](){
+        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()
+{
+
+}
+
+QSize AboutDialog::sizeHint() const
+{
+    return QSize(520, 350);
+}
--- a/app/aboutdialog.h
+++ b/app/aboutdialog.h
@ -1,36 +1,36 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef ABOUTDIALOG_H
-#define ABOUTDIALOG_H
-
-#include <QDialog>
-
-QT_BEGIN_NAMESPACE
-class QTextBrowser;
-class QTabWidget;
-class QDialogButtonBox;
-QT_END_NAMESPACE
-
-class AboutDialog : public QDialog
-{
-    Q_OBJECT
-public:
-    explicit AboutDialog(QWidget *parent = nullptr);
-    ~AboutDialog() override;
-
-    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;
-};
-
-#endif // ABOUTDIALOG_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef ABOUTDIALOG_H
+#define ABOUTDIALOG_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QTextBrowser;
+class QTabWidget;
+class QDialogButtonBox;
+QT_END_NAMESPACE
+
+class AboutDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit AboutDialog(QWidget *parent = nullptr);
+    ~AboutDialog() override;
+
+    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;
+};
+
+#endif // ABOUTDIALOG_H
--- a/app/actionmanager.cpp
+++ b/app/actionmanager.cpp
@ -1,163 +1,153 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "actionmanager.h"
-
-#include "mainwindow.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()
-{
-
-}
-
-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);
-    pm.setDevicePixelRatio(qApp->devicePixelRatio());
-    return QIcon(pm);
-}
-
-void ActionManager::setupAction(MainWindow *mainWindow)
-{
-    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)->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);
-    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_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, 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
-    #undef CREATE_NEW_THEMEICON_ACTION
-
-    retranslateUi(mainWindow);
-
-    QMetaObject::connectSlotsByName(mainWindow);
-}
-
-void ActionManager::retranslateUi(MainWindow *mainWindow)
-{
-    Q_UNUSED(mainWindow);
-
-    actionOpen->setText(QCoreApplication::translate("MainWindow", "&Open...", nullptr));
-
-    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));
-
-    actionPrevPicture->setText(QCoreApplication::translate("MainWindow", "Previous image", nullptr));
-    actionNextPicture->setText(QCoreApplication::translate("MainWindow", "Next image", 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));
-}
-
-void ActionManager::setupShortcuts()
-{
-    actionOpen->setShortcut(QKeySequence::Open);
-    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)
-    });
-}
-
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "actionmanager.h"
+
+#include "mainwindow.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
+
+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);
+    pm.setDevicePixelRatio(qApp->devicePixelRatio());
+    return QIcon(pm);
+}
+
+void ActionManager::setupAction(MainWindow *mainWindow)
+{
+    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)->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);
+    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_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, 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
+    #undef CREATE_NEW_THEMEICON_ACTION
+
+    retranslateUi(mainWindow);
+
+    QMetaObject::connectSlotsByName(mainWindow);
+}
+
+void ActionManager::retranslateUi(MainWindow *mainWindow)
+{
+    Q_UNUSED(mainWindow);
+
+    actionOpen->setText(QCoreApplication::translate("MainWindow", "&Open...", nullptr));
+
+    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));
+
+    actionPrevPicture->setText(QCoreApplication::translate("MainWindow", "Previous image", nullptr));
+    actionNextPicture->setText(QCoreApplication::translate("MainWindow", "Next image", 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));
+}
+
+void ActionManager::setupShortcuts()
+{
+    actionOpen->setShortcut(QKeySequence::Open);
+    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)
+    });
+}
+
--- a/app/actionmanager.h
+++ b/app/actionmanager.h
@ -1,58 +1,58 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef ACTIONMANAGER_H
-#define ACTIONMANAGER_H
-
-#include <QAction>
-
-class MainWindow;
-
-class ActionManager
-{
-public:
-    ActionManager();
-    ~ActionManager();
-
-    void setupAction(MainWindow * mainWindow);
-    void retranslateUi(MainWindow *MainWindow);
-    void setupShortcuts();
-
-    static QIcon loadHidpiIcon(const QString &resp, QSize sz = QSize(32, 32));
-
-public:
-    QAction *actionOpen;
-
-    QAction *actionActualSize;
-    QAction *actionToggleMaximize;
-    QAction *actionZoomIn;
-    QAction *actionZoomOut;
-    QAction *actionToggleCheckerboard;
-    QAction *actionRotateClockwise;
-    QAction *actionRotateCounterClockwise;
-
-    QAction *actionPrevPicture;
-    QAction *actionNextPicture;
-
-    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;
-};
-
-#endif // ACTIONMANAGER_H
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef ACTIONMANAGER_H
+#define ACTIONMANAGER_H
+
+#include <QAction>
+
+class MainWindow;
+
+class ActionManager
+{
+public:
+    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:
+    QAction *actionOpen;
+
+    QAction *actionActualSize;
+    QAction *actionToggleMaximize;
+    QAction *actionZoomIn;
+    QAction *actionZoomOut;
+    QAction *actionToggleCheckerboard;
+    QAction *actionRotateClockwise;
+    QAction *actionRotateCounterClockwise;
+
+    QAction *actionPrevPicture;
+    QAction *actionNextPicture;
+
+    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;
+};
+
+#endif // ACTIONMANAGER_H
--- a/app/bottombuttongroup.cpp
+++ b/app/bottombuttongroup.cpp
@ -1,59 +1,57 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "bottombuttongroup.h"
-
-#include "opacityhelper.h"
-
-#include <functional>
-
-#include <QToolButton>
-#include <QVBoxLayout>
-#include <QDebug>
-
-BottomButtonGroup::BottomButtonGroup(const std::vector<QAction *> &actionList, 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;"
-                        "}");
-
-    auto newActionBtn = [this](QAction * action) -> QToolButton * {
-        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));
-    }
-}
-
-void BottomButtonGroup::setOpacity(qreal opacity, bool animated)
-{
-    m_opacityHelper->setOpacity(opacity, animated);
-}
-
-void BottomButtonGroup::addButton(QAbstractButton *button)
-{
-    layout()->addWidget(button);
-    updateGeometry();
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "bottombuttongroup.h"
+
+#include "opacityhelper.h"
+
+#include <QToolButton>
+#include <QVBoxLayout>
+#include <QDebug>
+
+BottomButtonGroup::BottomButtonGroup(const std::vector<QAction *> &actionList, 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;"
+                        "}");
+
+    auto newActionBtn = [this](QAction * action) -> QToolButton * {
+        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));
+    }
+}
+
+void BottomButtonGroup::setOpacity(qreal opacity, bool animated)
+{
+    m_opacityHelper->setOpacity(opacity, animated);
+}
+
+void BottomButtonGroup::addButton(QAbstractButton *button)
+{
+    layout()->addWidget(button);
+    updateGeometry();
+}
--- a/app/bottombuttongroup.h
+++ b/app/bottombuttongroup.h
@ -1,27 +1,27 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef BOTTOMBUTTONGROUP_H
-#define BOTTOMBUTTONGROUP_H
-
-#include <vector>
-
-#include <QAbstractButton>
-#include <QGroupBox>
-
-class OpacityHelper;
-class BottomButtonGroup : public QGroupBox
-{
-    Q_OBJECT
-public:
-    explicit BottomButtonGroup(const std::vector<QAction *> & actionList, QWidget *parent = nullptr);
-
-    void setOpacity(qreal opacity, bool animated = true);
-    void addButton(QAbstractButton *button);
-
-private:
-    OpacityHelper * m_opacityHelper;
-};
-
-#endif // BOTTOMBUTTONGROUP_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef BOTTOMBUTTONGROUP_H
+#define BOTTOMBUTTONGROUP_H
+
+#include <vector>
+
+#include <QAbstractButton>
+#include <QGroupBox>
+
+class OpacityHelper;
+class BottomButtonGroup : public QGroupBox
+{
+    Q_OBJECT
+public:
+    explicit BottomButtonGroup(const std::vector<QAction *> & actionList, QWidget *parent = nullptr);
+
+    void setOpacity(qreal opacity, bool animated = true);
+    void addButton(QAbstractButton *button);
+
+private:
+    OpacityHelper * m_opacityHelper;
+};
+
+#endif // BOTTOMBUTTONGROUP_H
--- a/app/exiv2wrapper.cpp
+++ b/app/exiv2wrapper.cpp
@ -1,138 +1,138 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "exiv2wrapper.h"
-
-#ifdef HAVE_EXIV2_VERSION
-#include <exiv2/exiv2.hpp>
-#else // HAVE_EXIV2_VERSION
-namespace Exiv2 {
-class Image {};
-}
-#endif // HAVE_EXIV2_VERSION
-
-#include <sstream>
-
-#include <QFile>
-#include <QDebug>
-
-Exiv2Wrapper::Exiv2Wrapper()
-{
-
-}
-
-Exiv2Wrapper::~Exiv2Wrapper()
-{
-
-}
-
-#ifdef HAVE_EXIV2_VERSION // stupid AppleClang...
-template<typename Collection, typename Iterator>
-void Exiv2Wrapper::cacheSection(Collection collection)
-{
-    const Collection& exifData = collection;
-    Iterator it = exifData.begin(), end = exifData.end();
-    for (; it != end; ++it) {
-        QString key = QString::fromUtf8(it->key().c_str());
-        if (it->tagName().substr(0, 2) == "0x") continue;
-        // We might get exceptions like "No namespace info available for XMP prefix `Item'"
-        // when trying to get tagLabel() data from a Xmpdatum if the tag is not common-used.
-        // We don't care for those rare tags so let's just use a try-cache...
-        try {
-            QString label = QString::fromLocal8Bit(it->tagLabel().c_str());
-            std::ostringstream stream;
-            stream << *it;
-            QString value = QString::fromUtf8(stream.str().c_str());
-            m_metadataValue.insert(key, value);
-            m_metadataLabel.insert(key, label);
-            qDebug() << key << label << value;
-#if EXIV2_TEST_VERSION(0, 28, 0)
-        } catch (Exiv2::Error & err) {
-#else // 0.27.x
-        } catch (Exiv2::AnyError & err) {
-#endif // EXIV2_TEST_VERSION(0, 28, 0)
-            qWarning() << "Error loading key" << key << ":" << err.what();
-        }
-    }
-}
-#endif // HAVE_EXIV2_VERSION
-
-bool Exiv2Wrapper::load(const QString &filePath)
-{
-#ifdef HAVE_EXIV2_VERSION
-    QByteArray filePathByteArray = QFile::encodeName(filePath);
-    try {
-        m_exivImage.reset(Exiv2::ImageFactory::open(filePathByteArray.constData()).release());
-        m_exivImage->readMetadata();
-    } catch (const Exiv2::Error& error) {
-        m_errMsg = QString::fromUtf8(error.what());
-        return false;
-    }
-    return true;
-#else // HAVE_EXIV2_VERSION
-    Q_UNUSED(filePath);
-    return false;
-#endif // HAVE_EXIV2_VERSION
-}
-
-void Exiv2Wrapper::cacheSections()
-{
-#ifdef HAVE_EXIV2_VERSION
-    if (m_exivImage->checkMode(Exiv2::mdExif) & Exiv2::amRead) {
-        cacheSection<Exiv2::ExifData, Exiv2::ExifData::const_iterator>(m_exivImage->exifData());
-    }
-
-    if (m_exivImage->checkMode(Exiv2::mdIptc) & Exiv2::amRead) {
-        cacheSection<Exiv2::IptcData, Exiv2::IptcData::const_iterator>(m_exivImage->iptcData());
-    }
-
-    if (m_exivImage->checkMode(Exiv2::mdXmp) & Exiv2::amRead) {
-        cacheSection<Exiv2::XmpData, Exiv2::XmpData::const_iterator>(m_exivImage->xmpData());
-    }
-
-//    qDebug() << m_metadataValue;
-//    qDebug() << m_metadataLabel;
-#endif // HAVE_EXIV2_VERSION
-}
-
-QString Exiv2Wrapper::comment() const
-{
-#ifdef HAVE_EXIV2_VERSION
-    return m_exivImage->comment().c_str();
-#else // HAVE_EXIV2_VERSION
-    return QString();
-#endif // HAVE_EXIV2_VERSION
-}
-
-QString Exiv2Wrapper::label(const QString &key) const
-{
-    return m_metadataLabel.value(key);
-}
-
-QString Exiv2Wrapper::value(const QString &key) const
-{
-    return m_metadataValue.value(key);
-}
-
-QString Exiv2Wrapper::XmpValue(const QString &rawValue)
-{
-    QString ignored;
-    return Exiv2Wrapper::XmpValue(rawValue, ignored);
-}
-
-QString Exiv2Wrapper::XmpValue(const QString &rawValue, QString &language)
-{
-    if (rawValue.size() > 6 && rawValue.startsWith(QLatin1String("lang=\""))) {
-        int pos = rawValue.indexOf('"', 6);
-
-        if (pos != -1) {
-            language = rawValue.mid(6, pos - 6);
-            return (rawValue.mid(pos + 2));
-        }
-    }
-
-    language.clear();
-    return rawValue;
-}
-
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "exiv2wrapper.h"
+
+#ifdef HAVE_EXIV2_VERSION
+#include <exiv2/exiv2.hpp>
+#else // HAVE_EXIV2_VERSION
+namespace Exiv2 {
+class Image {};
+}
+#endif // HAVE_EXIV2_VERSION
+
+#include <sstream>
+
+#include <QFile>
+#include <QDebug>
+
+Exiv2Wrapper::Exiv2Wrapper()
+{
+
+}
+
+Exiv2Wrapper::~Exiv2Wrapper()
+{
+
+}
+
+#ifdef HAVE_EXIV2_VERSION // stupid AppleClang...
+template<typename Collection, typename Iterator>
+void Exiv2Wrapper::cacheSection(Collection collection)
+{
+    const Collection& exifData = collection;
+    Iterator it = exifData.begin(), end = exifData.end();
+    for (; it != end; ++it) {
+        QString key = QString::fromUtf8(it->key().c_str());
+        if (it->tagName().substr(0, 2) == "0x") continue;
+        // We might get exceptions like "No namespace info available for XMP prefix `Item'"
+        // when trying to get tagLabel() data from a Xmpdatum if the tag is not common-used.
+        // We don't care for those rare tags so let's just use a try-cache...
+        try {
+            QString label = QString::fromLocal8Bit(it->tagLabel().c_str());
+            std::ostringstream stream;
+            stream << *it;
+            QString value = QString::fromUtf8(stream.str().c_str());
+            m_metadataValue.insert(key, value);
+            m_metadataLabel.insert(key, label);
+            qDebug() << key << label << value;
+#if EXIV2_TEST_VERSION(0, 28, 0)
+        } catch (Exiv2::Error & err) {
+#else // 0.27.x
+        } catch (Exiv2::AnyError & err) {
+#endif // EXIV2_TEST_VERSION(0, 28, 0)
+            qWarning() << "Error loading key" << key << ":" << err.what();
+        }
+    }
+}
+#endif // HAVE_EXIV2_VERSION
+
+bool Exiv2Wrapper::load(const QString &filePath)
+{
+#ifdef HAVE_EXIV2_VERSION
+    QByteArray filePathByteArray = QFile::encodeName(filePath);
+    try {
+        m_exivImage.reset(Exiv2::ImageFactory::open(filePathByteArray.constData()).release());
+        m_exivImage->readMetadata();
+    } catch (const Exiv2::Error& error) {
+        m_errMsg = QString::fromUtf8(error.what());
+        return false;
+    }
+    return true;
+#else // HAVE_EXIV2_VERSION
+    Q_UNUSED(filePath);
+    return false;
+#endif // HAVE_EXIV2_VERSION
+}
+
+void Exiv2Wrapper::cacheSections()
+{
+#ifdef HAVE_EXIV2_VERSION
+    if (m_exivImage->checkMode(Exiv2::mdExif) & Exiv2::amRead) {
+        cacheSection<Exiv2::ExifData, Exiv2::ExifData::const_iterator>(m_exivImage->exifData());
+    }
+
+    if (m_exivImage->checkMode(Exiv2::mdIptc) & Exiv2::amRead) {
+        cacheSection<Exiv2::IptcData, Exiv2::IptcData::const_iterator>(m_exivImage->iptcData());
+    }
+
+    if (m_exivImage->checkMode(Exiv2::mdXmp) & Exiv2::amRead) {
+        cacheSection<Exiv2::XmpData, Exiv2::XmpData::const_iterator>(m_exivImage->xmpData());
+    }
+
+//    qDebug() << m_metadataValue;
+//    qDebug() << m_metadataLabel;
+#endif // HAVE_EXIV2_VERSION
+}
+
+QString Exiv2Wrapper::comment() const
+{
+#ifdef HAVE_EXIV2_VERSION
+    return m_exivImage->comment().c_str();
+#else // HAVE_EXIV2_VERSION
+    return QString();
+#endif // HAVE_EXIV2_VERSION
+}
+
+QString Exiv2Wrapper::label(const QString &key) const
+{
+    return m_metadataLabel.value(key);
+}
+
+QString Exiv2Wrapper::value(const QString &key) const
+{
+    return m_metadataValue.value(key);
+}
+
+QString Exiv2Wrapper::XmpValue(const QString &rawValue)
+{
+    QString ignored;
+    return Exiv2Wrapper::XmpValue(rawValue, ignored);
+}
+
+QString Exiv2Wrapper::XmpValue(const QString &rawValue, QString &language)
+{
+    if (rawValue.size() > 6 && rawValue.startsWith(QLatin1String("lang=\""))) {
+        int pos = rawValue.indexOf('"', 6);
+
+        if (pos != -1) {
+            language = rawValue.mid(6, pos - 6);
+            return (rawValue.mid(pos + 2));
+        }
+    }
+
+    language.clear();
+    return rawValue;
+}
+
--- a/app/exiv2wrapper.h
+++ b/app/exiv2wrapper.h
@ -1,43 +1,43 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef EXIV2WRAPPER_H
-#define EXIV2WRAPPER_H
-
-#include <memory>
-
-#include <QString>
-#include <QMap>
-
-namespace Exiv2 {
-class Image;
-}
-
-class Exiv2Wrapper
-{
-public:
-    Exiv2Wrapper();
-    ~Exiv2Wrapper();
-
-    bool load(const QString& filePath);
-    void cacheSections();
-
-    QString comment() const;
-    QString label(const QString & key) const;
-    QString value(const QString & key) const;
-
-    static QString XmpValue(const QString &rawValue);
-    static QString XmpValue(const QString &rawValue, QString & language);
-
-private:
-    std::unique_ptr<Exiv2::Image> m_exivImage;
-    QMap<QString, QString> m_metadataValue;
-    QMap<QString, QString> m_metadataLabel;
-    QString m_errMsg;
-
-    template<typename Collection, typename Iterator>
-    void cacheSection(Collection collection);
-};
-
-#endif // EXIV2WRAPPER_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef EXIV2WRAPPER_H
+#define EXIV2WRAPPER_H
+
+#include <memory>
+
+#include <QString>
+#include <QMap>
+
+namespace Exiv2 {
+class Image;
+}
+
+class Exiv2Wrapper
+{
+public:
+    Exiv2Wrapper();
+    ~Exiv2Wrapper();
+
+    bool load(const QString& filePath);
+    void cacheSections();
+
+    QString comment() const;
+    QString label(const QString & key) const;
+    QString value(const QString & key) const;
+
+    static QString XmpValue(const QString &rawValue);
+    static QString XmpValue(const QString &rawValue, QString & language);
+
+private:
+    std::unique_ptr<Exiv2::Image> m_exivImage;
+    QMap<QString, QString> m_metadataValue;
+    QMap<QString, QString> m_metadataLabel;
+    QString m_errMsg;
+
+    template<typename Collection, typename Iterator>
+    void cacheSection(Collection collection);
+};
+
+#endif // EXIV2WRAPPER_H
--- a/app/framelesswindow.cpp
+++ b/app/framelesswindow.cpp
@ -1,147 +1,136 @@
-// 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;
-}
-
+// 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()
+{
+    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinMaxButtonsHint);
+    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();
+        Qt::Edges edges = this->getEdgesByPos(event->globalPosition().toPoint(), win->frameGeometry());
+        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;
+}
+
--- a/app/framelesswindow.h
+++ b/app/framelesswindow.h
@ -1,39 +1,39 @@
-// 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
+// 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
--- a/app/graphicsview.cpp
+++ b/app/graphicsview.cpp
@ -1,373 +1,502 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "graphicsview.h"
-
-#include "graphicsscene.h"
-#include "settings.h"
-
-#include <QDebug>
-#include <QMouseEvent>
-#include <QScrollBar>
-#include <QMimeData>
-#include <QImageReader>
-#include <QStyleOptionGraphicsItem>
-
-GraphicsView::GraphicsView(QWidget *parent)
-    : QGraphicsView (parent)
-{
-    setDragMode(QGraphicsView::ScrollHandDrag);
-    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    setResizeAnchor(QGraphicsView::AnchorUnderMouse);
-    setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
-    setStyleSheet("background-color: rgba(0, 0, 0, 220);"
-                  "border-radius: 3px;");
-    setAcceptDrops(false);
-    setCheckerboardEnabled(false);
-
-    connect(horizontalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
-    connect(verticalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
-}
-
-void GraphicsView::showFileFromPath(const QString &filePath)
-{
-    emit navigatorViewRequired(false, transform());
-
-    if (filePath.endsWith(".svg")) {
-        showSvg(filePath);
-    } else {
-        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.
-        // QImage::Format imageFormat = imageReader.imageFormat();
-        if (imageReader.format().isEmpty()) {
-            showText(tr("File is not a valid image"));
-        } else if (imageReader.supportsAnimation() && imageReader.imageCount() > 1) {
-            showAnimated(filePath);
-        } else if (!imageReader.canRead()) {
-            showText(tr("Image data is invalid or currently unsupported"));
-        } else {
-            QPixmap && pixmap = QPixmap::fromImageReader(&imageReader);
-            if (pixmap.isNull()) {
-                showText(tr("Image data is invalid or currently unsupported"));
-            } else {
-                pixmap.setDevicePixelRatio(devicePixelRatioF());
-                showImage(pixmap);
-            }
-        }
-    }
-}
-
-void GraphicsView::showImage(const QPixmap &pixmap)
-{
-    resetTransform();
-    scene()->showImage(pixmap);
-    displayScene();
-}
-
-void GraphicsView::showImage(const QImage &image)
-{
-    resetTransform();
-    scene()->showImage(QPixmap::fromImage(image));
-    displayScene();
-}
-
-void GraphicsView::showText(const QString &text)
-{
-    resetTransform();
-    scene()->showText(text);
-    displayScene();
-}
-
-void GraphicsView::showSvg(const QString &filepath)
-{
-    resetTransform();
-    scene()->showSvg(filepath);
-    displayScene();
-}
-
-void GraphicsView::showAnimated(const QString &filepath)
-{
-    resetTransform();
-    scene()->showAnimated(filepath);
-    displayScene();
-}
-
-GraphicsScene *GraphicsView::scene() const
-{
-    return qobject_cast<GraphicsScene*>(QGraphicsView::scene());
-}
-
-void GraphicsView::setScene(GraphicsScene *scene)
-{
-    return QGraphicsView::setScene(scene);
-}
-
-qreal GraphicsView::scaleFactor() const
-{
-    return QStyleOptionGraphicsItem::levelOfDetailFromTransform(transform());
-}
-
-void GraphicsView::resetTransform()
-{
-    if (!shouldAvoidTransform()) {
-        QGraphicsView::resetTransform();
-    }
-}
-
-void GraphicsView::zoomView(qreal scaleFactor)
-{
-    m_enableFitInView = false;
-    scale(scaleFactor, scaleFactor);
-    applyTransformationModeByScaleFactor();
-    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
-}
-
-// This is always according to user's view.
-// the direction of the rotation will NOT be clockwise because the y-axis points downwards.
-void GraphicsView::rotateView(bool clockwise)
-{
-    resetScale();
-
-    QTransform tf(0,                  clockwise ? 1 : -1, 0,
-                  clockwise ? -1 : 1, 0,                  0,
-                  0,                  0,                  1);
-    tf = transform() * tf;
-    setTransform(tf);
-}
-
-void GraphicsView::flipView(bool horizontal)
-{
-    QTransform tf(horizontal ? -1 : 1, 0,                   0,
-                  0,                   horizontal ? 1 : -1, 0,
-                  0,                   0,                   1);
-    tf = transform() * tf;
-    setTransform(tf);
-
-    // Ensure the navigation view is also flipped.
-    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
-}
-
-void GraphicsView::resetScale()
-{
-    setTransform(resetScale(transform()));
-    applyTransformationModeByScaleFactor();
-    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
-}
-
-void GraphicsView::fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadioMode)
-{
-    QGraphicsView::fitInView(rect, aspectRadioMode);
-    applyTransformationModeByScaleFactor();
-}
-
-void GraphicsView::fitByOrientation(Qt::Orientation ori, bool scaleDownOnly)
-{
-    resetScale();
-
-    QRectF viewRect = this->viewport()->rect().adjusted(2, 2, -2, -2);
-    QRectF imageRect = transform().mapRect(sceneRect());
-
-    qreal ratio;
-
-    if (ori == Qt::Horizontal) {
-        ratio = viewRect.width() / imageRect.width();
-    } else {
-        ratio = viewRect.height() / imageRect.height();
-    }
-
-    if (scaleDownOnly && ratio > 1) ratio = 1;
-
-    scale(ratio, ratio);
-    centerOn(imageRect.top(), 0);
-    m_enableFitInView = false;
-
-    applyTransformationModeByScaleFactor();
-    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
-}
-
-void GraphicsView::displayScene()
-{
-    if (shouldAvoidTransform()) {
-        emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
-        return;
-    }
-
-    if (isSceneBiggerThanView()) {
-        fitInView(sceneRect(), Qt::KeepAspectRatio);
-    }
-
-    m_enableFitInView = true;
-    m_firstUserMediaLoaded = true;
-}
-
-bool GraphicsView::isSceneBiggerThanView() const
-{
-    if (!isThingSmallerThanWindowWith(transform())) {
-        return true;
-    } else {
-        return false;
-    }
-}
-
-// Automately do fit in view when viewport(window) smaller than image original size.
-void GraphicsView::setEnableAutoFitInView(bool enable)
-{
-    m_enableFitInView = enable;
-}
-
-bool GraphicsView::avoidResetTransform() const
-{
-    return m_avoidResetTransform;
-}
-
-void GraphicsView::setAvoidResetTransform(bool avoidReset)
-{
-    m_avoidResetTransform = avoidReset;
-}
-
-inline double zeroOrOne(double number)
-{
-    return qFuzzyIsNull(number) ? 0 : (number > 0 ? 1 : -1);
-}
-
-// Note: this only works if we only have 90 degree based rotation
-//       and no shear/translate.
-QTransform GraphicsView::resetScale(const QTransform & orig)
-{
-    return QTransform(zeroOrOne(orig.m11()), zeroOrOne(orig.m12()),
-                      zeroOrOne(orig.m21()), zeroOrOne(orig.m22()),
-                      orig.dx(),             orig.dy());
-}
-
-void GraphicsView::toggleCheckerboard(bool invertCheckerboardColor)
-{
-    setCheckerboardEnabled(!m_checkerboardEnabled, invertCheckerboardColor);
-}
-
-void GraphicsView::mousePressEvent(QMouseEvent *event)
-{
-    if (shouldIgnoreMousePressMoveEvent(event)) {
-        event->ignore();
-        // blumia: return here, or the QMouseEvent event transparency won't
-        //         work if we set a QGraphicsView::ScrollHandDrag drag mode.
-        return;
-    }
-
-    return QGraphicsView::mousePressEvent(event);
-}
-
-void GraphicsView::mouseMoveEvent(QMouseEvent *event)
-{
-    if (shouldIgnoreMousePressMoveEvent(event)) {
-        event->ignore();
-    }
-
-    return QGraphicsView::mouseMoveEvent(event);
-}
-
-void GraphicsView::mouseReleaseEvent(QMouseEvent *event)
-{
-    if (event->button() == Qt::ForwardButton || event->button() == Qt::BackButton) {
-        event->ignore();
-    } else {
-        QGraphicsItem *item = itemAt(event->pos());
-        if (!item) {
-            event->ignore();
-        }
-    }
-
-    return QGraphicsView::mouseReleaseEvent(event);
-}
-
-void GraphicsView::wheelEvent(QWheelEvent *event)
-{
-    event->ignore();
-    // blumia: no need for calling parent method.
-}
-
-void GraphicsView::resizeEvent(QResizeEvent *event)
-{
-    if (m_enableFitInView) {
-        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
-            // user resize down the window again.
-        } else if (originalSizeSmallerThanWindow && scaleFactor() < 1) {
-            resetScale();
-        } else {
-            fitInView(sceneRect(), Qt::KeepAspectRatio);
-        }
-    } else {
-        emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
-    }
-    return QGraphicsView::resizeEvent(event);
-}
-
-bool GraphicsView::isThingSmallerThanWindowWith(const QTransform &transform) const
-{
-    return rect().size().expandedTo(transform.mapRect(sceneRect()).size().toSize())
-            == rect().size();
-}
-
-bool GraphicsView::shouldIgnoreMousePressMoveEvent(const QMouseEvent *event) const
-{
-    if (event->buttons() == Qt::NoButton) {
-        return true;
-    }
-
-    QGraphicsItem *item = itemAt(event->pos());
-    if (!item) {
-        return true;
-    }
-
-    if (isThingSmallerThanWindowWith(transform())) {
-        return true;
-    }
-
-    return false;
-}
-
-void GraphicsView::setCheckerboardEnabled(bool enabled, bool invertColor)
-{
-    m_checkerboardEnabled = enabled;
-    bool isLightCheckerboard = Settings::instance()->useLightCheckerboard() ^ invertColor;
-    if (m_checkerboardEnabled) {
-        // Prepare background check-board pattern
-        QPixmap tilePixmap(0x20, 0x20);
-        tilePixmap.fill(isLightCheckerboard ? QColor(220, 220, 220, 170) : QColor(35, 35, 35, 170));
-        QPainter tilePainter(&tilePixmap);
-        constexpr QColor color(45, 45, 45, 170);
-        constexpr QColor invertedColor(210, 210, 210, 170);
-        tilePainter.fillRect(0, 0, 0x10, 0x10, isLightCheckerboard ? invertedColor : color);
-        tilePainter.fillRect(0x10, 0x10, 0x10, 0x10, isLightCheckerboard ? invertedColor : color);
-        tilePainter.end();
-
-        setBackgroundBrush(tilePixmap);
-    } else {
-        setBackgroundBrush(Qt::transparent);
-    }
-}
-
-void GraphicsView::applyTransformationModeByScaleFactor()
-{
-    if (this->scaleFactor() < 1) {
-        scene()->trySetTransformationMode(Qt::SmoothTransformation, this->scaleFactor());
-    } else {
-        scene()->trySetTransformationMode(Qt::FastTransformation, this->scaleFactor());
-    }
-}
-
-bool GraphicsView::shouldAvoidTransform() const
-{
-    return m_firstUserMediaLoaded && m_avoidResetTransform;
-}
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+//
+// SPDX-License-Identifier: MIT
+
+#include "graphicsview.h"
+
+#include "graphicsscene.h"
+#include "settings.h"
+
+#include <QDebug>
+#include <QMouseEvent>
+#include <QScrollBar>
+#include <QMimeData>
+#include <QImageReader>
+#include <QStyleOptionGraphicsItem>
+
+GraphicsView::GraphicsView(QWidget *parent)
+    : QGraphicsView (parent)
+{
+    setDragMode(QGraphicsView::ScrollHandDrag);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setResizeAnchor(QGraphicsView::AnchorUnderMouse);
+    setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
+    setStyleSheet("background-color: rgba(0, 0, 0, 220);"
+                  "border-radius: 3px;");
+    setAcceptDrops(false);
+    setCheckerboardEnabled(false);
+
+    connect(horizontalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
+    connect(verticalScrollBar(), &QScrollBar::valueChanged, this, &GraphicsView::viewportRectChanged);
+}
+
+void GraphicsView::showFileFromPath(const QString &filePath)
+{
+    emit navigatorViewRequired(false, transform());
+
+    if (filePath.endsWith(".svg")) {
+        showSvg(filePath);
+    } else {
+        QImageReader imageReader(filePath);
+        imageReader.setAutoTransform(true);
+        imageReader.setDecideFormatFromContent(true);
+        imageReader.setAllocationLimit(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.
+        // QImage::Format imageFormat = imageReader.imageFormat();
+        if (imageReader.format().isEmpty()) {
+            showText(tr("File is not a valid image"));
+        } else if (imageReader.supportsAnimation() && imageReader.imageCount() > 1) {
+            showAnimated(filePath);
+        } else if (!imageReader.canRead()) {
+            showText(tr("Image data is invalid or currently unsupported"));
+        } else {
+            QPixmap && pixmap = QPixmap::fromImageReader(&imageReader);
+            if (pixmap.isNull()) {
+                showText(tr("Image data is invalid or currently unsupported"));
+            } else {
+                pixmap.setDevicePixelRatio(devicePixelRatioF());
+                showImage(pixmap);
+            }
+        }
+    }
+}
+
+void GraphicsView::showImage(const QPixmap &pixmap)
+{
+    resetTransform();
+    scene()->showImage(pixmap);
+    displayScene();
+}
+
+void GraphicsView::showImage(const QImage &image)
+{
+    resetTransform();
+    scene()->showImage(QPixmap::fromImage(image));
+    displayScene();
+}
+
+void GraphicsView::showText(const QString &text)
+{
+    resetTransform();
+    scene()->showText(text);
+    displayScene();
+}
+
+void GraphicsView::showSvg(const QString &filepath)
+{
+    resetTransform();
+    scene()->showSvg(filepath);
+    displayScene();
+}
+
+void GraphicsView::showAnimated(const QString &filepath)
+{
+    resetTransform();
+    scene()->showAnimated(filepath);
+    displayScene();
+}
+
+GraphicsScene *GraphicsView::scene() const
+{
+    return qobject_cast<GraphicsScene*>(QGraphicsView::scene());
+}
+
+void GraphicsView::setScene(GraphicsScene *scene)
+{
+    return QGraphicsView::setScene(scene);
+}
+
+qreal GraphicsView::scaleFactor() const
+{
+    return QStyleOptionGraphicsItem::levelOfDetailFromTransform(transform());
+}
+
+void GraphicsView::resetTransform()
+{
+    if (!shouldAvoidTransform()) {
+        QGraphicsView::resetTransform();
+    }
+}
+
+void GraphicsView::zoomView(qreal scaleFactor)
+{
+    m_enableFitInView = false;
+    m_longImageMode = false;
+    scale(scaleFactor, scaleFactor);
+    applyTransformationModeByScaleFactor();
+    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
+}
+
+// This is always according to user's view.
+// the direction of the rotation will NOT be clockwise because the y-axis points downwards.
+void GraphicsView::rotateView(bool clockwise)
+{
+    resetScale();
+
+    QTransform tf(0,                  clockwise ? 1 : -1, 0,
+                  clockwise ? -1 : 1, 0,                  0,
+                  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)
+{
+    QTransform tf(horizontal ? -1 : 1, 0,                   0,
+                  0,                   horizontal ? 1 : -1, 0,
+                  0,                   0,                   1);
+    tf = transform() * tf;
+    setTransform(tf);
+
+    // Ensure the navigation view is also flipped.
+    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
+}
+
+void GraphicsView::resetScale()
+{
+    setTransform(resetScale(transform()));
+    applyTransformationModeByScaleFactor();
+    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
+}
+
+void GraphicsView::fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadioMode)
+{
+    QGraphicsView::fitInView(rect, aspectRadioMode);
+    applyTransformationModeByScaleFactor();
+}
+
+void GraphicsView::fitByOrientation(Qt::Orientation ori, bool scaleDownOnly)
+{
+    resetScale();
+
+    QRectF viewRect = this->viewport()->rect();
+    QRectF imageRect = transform().mapRect(sceneRect());
+    QSize viewSize = viewRect.size().toSize();
+
+    qreal ratio;
+
+    if (ori == Qt::Horizontal) {
+        // 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 {
+        // 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 (ratio != 1) {
+        scale(ratio, ratio);
+    }
+
+    // Position the image correctly based on orientation with rotation consideration
+    QRectF originalScene = sceneRect();
+    QTransform currentTransform = transform();
+
+    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_enableFitInView = false;
+
+    applyTransformationModeByScaleFactor();
+    emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
+}
+
+bool GraphicsView::isLongImage() const
+{
+    // Get the transformed image size (considering rotation and other transforms)
+    QRectF transformedRect = transform().mapRect(sceneRect());
+    QSizeF imageSize = transformedRect.size();
+    
+    if (imageSize.isEmpty()) return false;
+    
+    qreal aspectRatio = imageSize.width() / imageSize.height();
+    
+    // Check if aspect ratio exceeds 5:2 (wide) or 2:5 (tall)
+    return aspectRatio > 2.5 || aspectRatio < 0.4;
+}
+
+void GraphicsView::fitLongImage()
+{
+    // Determine image orientation based on current transform
+    QRectF transformedRect = transform().mapRect(sceneRect());
+    qreal aspectRatio = transformedRect.width() / transformedRect.height();
+    bool isTallImage = aspectRatio < 0.4;
+    bool isWideImage = aspectRatio > 2.5;
+    
+    // Use fitByOrientation with the migrated logic
+    if (isTallImage) {
+        // Tall image (height >> width): fit by width
+        fitByOrientation(Qt::Horizontal, true);  // scaleDownOnly = true
+    } else if (isWideImage) {
+        // Wide image (width >> height): fit by height
+        fitByOrientation(Qt::Vertical, true);    // scaleDownOnly = true
+    }
+}
+
+void GraphicsView::displayScene()
+{
+    if (shouldAvoidTransform()) {
+        emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
+        return;
+    }
+
+    // Check if should apply long image mode
+    if (Settings::instance()->autoLongImageMode() && isLongImage()) {
+        m_longImageMode = true;
+        m_firstUserMediaLoaded = true;
+        if (isSceneBiggerThanView()) fitLongImage();
+        return;
+    }
+
+    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_longImageMode = false;
+    m_enableFitInView = true;
+    m_firstUserMediaLoaded = true;
+}
+
+bool GraphicsView::isSceneBiggerThanView() const
+{
+    if (!isThingSmallerThanWindowWith(transform())) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+// Automately do fit in view when viewport(window) smaller than image original size.
+void GraphicsView::setEnableAutoFitInView(bool enable)
+{
+    m_enableFitInView = enable;
+}
+
+void GraphicsView::setLongImageMode(bool enable)
+{
+    m_longImageMode = enable;
+}
+
+bool GraphicsView::avoidResetTransform() const
+{
+    return m_avoidResetTransform;
+}
+
+void GraphicsView::setAvoidResetTransform(bool avoidReset)
+{
+    m_avoidResetTransform = avoidReset;
+}
+
+inline double zeroOrOne(double number)
+{
+    return qFuzzyIsNull(number) ? 0 : (number > 0 ? 1 : -1);
+}
+
+// Note: this only works if we only have 90 degree based rotation
+//       and no shear/translate.
+QTransform GraphicsView::resetScale(const QTransform & orig)
+{
+    return QTransform(zeroOrOne(orig.m11()), zeroOrOne(orig.m12()),
+                      zeroOrOne(orig.m21()), zeroOrOne(orig.m22()),
+                      orig.dx(),             orig.dy());
+}
+
+void GraphicsView::toggleCheckerboard(bool invertCheckerboardColor)
+{
+    setCheckerboardEnabled(!m_checkerboardEnabled, invertCheckerboardColor);
+}
+
+void GraphicsView::mousePressEvent(QMouseEvent *event)
+{
+    if (shouldIgnoreMousePressMoveEvent(event)) {
+        event->ignore();
+        // blumia: return here, or the QMouseEvent event transparency won't
+        //         work if we set a QGraphicsView::ScrollHandDrag drag mode.
+        return;
+    }
+
+    return QGraphicsView::mousePressEvent(event);
+}
+
+void GraphicsView::mouseMoveEvent(QMouseEvent *event)
+{
+    if (shouldIgnoreMousePressMoveEvent(event)) {
+        event->ignore();
+    }
+
+    return QGraphicsView::mouseMoveEvent(event);
+}
+
+void GraphicsView::mouseReleaseEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::ForwardButton || event->button() == Qt::BackButton) {
+        event->ignore();
+    } else {
+        QGraphicsItem *item = itemAt(event->pos());
+        if (!item) {
+            event->ignore();
+        }
+    }
+
+    return QGraphicsView::mouseReleaseEvent(event);
+}
+
+void GraphicsView::wheelEvent(QWheelEvent *event)
+{
+    event->ignore();
+    // blumia: no need for calling parent method.
+}
+
+void GraphicsView::resizeEvent(QResizeEvent *event)
+{
+    if (m_longImageMode) {
+        // In long image mode, reapply long image logic on resize
+        // We directly apply the long image mode logic without rechecking
+        // if we should enter long image mode, as the mode is already active
+        fitLongImage();
+    } else if (m_enableFitInView) {
+        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
+            // user resize down the window again.
+        } else if (originalSizeSmallerThanWindow && scaleFactor() < 1) {
+            resetScale();
+        } else {
+            fitInView(sceneRect(), Qt::KeepAspectRatio);
+        }
+    } else {
+        emit navigatorViewRequired(!isThingSmallerThanWindowWith(transform()), transform());
+    }
+    return QGraphicsView::resizeEvent(event);
+}
+
+bool GraphicsView::isThingSmallerThanWindowWith(const QTransform &transform) const
+{
+    return rect().size().expandedTo(transform.mapRect(sceneRect()).size().toSize())
+            == rect().size();
+}
+
+bool GraphicsView::shouldIgnoreMousePressMoveEvent(const QMouseEvent *event) const
+{
+    if (event->buttons() == Qt::NoButton) {
+        return true;
+    }
+
+    QGraphicsItem *item = itemAt(event->pos());
+    if (!item) {
+        return true;
+    }
+
+    if (isThingSmallerThanWindowWith(transform())) {
+        return true;
+    }
+
+    return false;
+}
+
+void GraphicsView::setCheckerboardEnabled(bool enabled, bool invertColor)
+{
+    m_checkerboardEnabled = enabled;
+    bool isLightCheckerboard = Settings::instance()->useLightCheckerboard() ^ invertColor;
+    if (m_checkerboardEnabled) {
+        // Prepare background check-board pattern
+        QPixmap tilePixmap(0x20, 0x20);
+        tilePixmap.fill(isLightCheckerboard ? QColor(220, 220, 220, 170) : QColor(35, 35, 35, 170));
+        QPainter tilePainter(&tilePixmap);
+        constexpr QColor color(45, 45, 45, 170);
+        constexpr QColor invertedColor(210, 210, 210, 170);
+        tilePainter.fillRect(0, 0, 0x10, 0x10, isLightCheckerboard ? invertedColor : color);
+        tilePainter.fillRect(0x10, 0x10, 0x10, 0x10, isLightCheckerboard ? invertedColor : color);
+        tilePainter.end();
+
+        setBackgroundBrush(tilePixmap);
+    } else {
+        setBackgroundBrush(Qt::transparent);
+    }
+}
+
+void GraphicsView::applyTransformationModeByScaleFactor()
+{
+    if (this->scaleFactor() < 1) {
+        scene()->trySetTransformationMode(Qt::SmoothTransformation, this->scaleFactor());
+    } else {
+        scene()->trySetTransformationMode(Qt::FastTransformation, this->scaleFactor());
+    }
+}
+
+bool GraphicsView::shouldAvoidTransform() const
+{
+    return m_firstUserMediaLoaded && m_avoidResetTransform;
+}
--- a/app/graphicsview.h
+++ b/app/graphicsview.h
@ -1,79 +1,85 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef GRAPHICSVIEW_H
-#define GRAPHICSVIEW_H
-
-#include <QGraphicsView>
-#include <QUrl>
-
-class GraphicsScene;
-class GraphicsView : public QGraphicsView
-{
-    Q_OBJECT
-public:
-    GraphicsView(QWidget *parent = nullptr);
-
-    void showFileFromPath(const QString &filePath);
-
-    void showImage(const QPixmap &pixmap);
-    void showImage(const QImage &image);
-    void showText(const QString &text);
-    void showSvg(const QString &filepath);
-    void showAnimated(const QString &filepath);
-
-    GraphicsScene * scene() const;
-    void setScene(GraphicsScene *scene);
-
-    qreal scaleFactor() const;
-
-    void resetTransform();
-    void zoomView(qreal scaleFactor);
-    void rotateView(bool clockwise = true);
-    void flipView(bool horizontal = true);
-    void resetScale();
-    void fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadioMode = Qt::IgnoreAspectRatio);
-    void fitByOrientation(Qt::Orientation ori = Qt::Horizontal, bool scaleDownOnly = false);
-
-    void displayScene();
-    bool isSceneBiggerThanView() const;
-    void setEnableAutoFitInView(bool enable = true);
-
-    bool avoidResetTransform() const;
-    void setAvoidResetTransform(bool avoidReset);
-
-    static QTransform resetScale(const QTransform & orig);
-
-signals:
-    void navigatorViewRequired(bool required, QTransform transform);
-    void viewportRectChanged();
-
-public slots:
-    void toggleCheckerboard(bool invertCheckerboardColor = false);
-
-private:
-    void mousePressEvent(QMouseEvent * event) override;
-    void mouseMoveEvent(QMouseEvent * event) override;
-    void mouseReleaseEvent(QMouseEvent * event) override;
-    void wheelEvent(QWheelEvent *event) override;
-    void resizeEvent(QResizeEvent *event) override;
-
-    bool isThingSmallerThanWindowWith(const QTransform &transform) const;
-    bool shouldIgnoreMousePressMoveEvent(const QMouseEvent *event) const;
-    void setCheckerboardEnabled(bool enabled, bool invertColor = false);
-    void applyTransformationModeByScaleFactor();
-
-    inline bool shouldAvoidTransform() const;
-
-    // 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_avoidResetTransform = false;
-    bool m_checkerboardEnabled = false;
-    bool m_useLightCheckerboard = false;
-    bool m_firstUserMediaLoaded = false;
-};
-
-#endif // GRAPHICSVIEW_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef GRAPHICSVIEW_H
+#define GRAPHICSVIEW_H
+
+#include <QGraphicsView>
+#include <QUrl>
+
+class GraphicsScene;
+class GraphicsView : public QGraphicsView
+{
+    Q_OBJECT
+public:
+    GraphicsView(QWidget *parent = nullptr);
+
+    void showFileFromPath(const QString &filePath);
+
+    void showImage(const QPixmap &pixmap);
+    void showImage(const QImage &image);
+    void showText(const QString &text);
+    void showSvg(const QString &filepath);
+    void showAnimated(const QString &filepath);
+
+    GraphicsScene * scene() const;
+    void setScene(GraphicsScene *scene);
+
+    qreal scaleFactor() const;
+
+    void resetTransform();
+    void zoomView(qreal scaleFactor);
+    void rotateView(bool clockwise = true);
+    void flipView(bool horizontal = true);
+    void resetScale();
+    void fitInView(const QRectF &rect, Qt::AspectRatioMode aspectRadioMode = Qt::IgnoreAspectRatio);
+    void fitByOrientation(Qt::Orientation ori = Qt::Horizontal, bool scaleDownOnly = false);
+
+    void displayScene();
+    bool isSceneBiggerThanView() const;
+    void setEnableAutoFitInView(bool enable = true);
+    void setLongImageMode(bool enable = true);
+
+    bool avoidResetTransform() const;
+    void setAvoidResetTransform(bool avoidReset);
+
+    static QTransform resetScale(const QTransform & orig);
+
+    // Long image mode support
+    bool isLongImage() const;
+    void fitLongImage();
+
+signals:
+    void navigatorViewRequired(bool required, QTransform transform);
+    void viewportRectChanged();
+
+public slots:
+    void toggleCheckerboard(bool invertCheckerboardColor = false);
+
+private:
+    void mousePressEvent(QMouseEvent * event) override;
+    void mouseMoveEvent(QMouseEvent * event) override;
+    void mouseReleaseEvent(QMouseEvent * event) override;
+    void wheelEvent(QWheelEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
+
+    bool isThingSmallerThanWindowWith(const QTransform &transform) const;
+    bool shouldIgnoreMousePressMoveEvent(const QMouseEvent *event) const;
+    void setCheckerboardEnabled(bool enabled, bool invertColor = false);
+    void applyTransformationModeByScaleFactor();
+
+    inline bool shouldAvoidTransform() const;
+
+    // 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_longImageMode = false;
+    bool m_avoidResetTransform = false;
+    bool m_checkerboardEnabled = false;
+    bool m_useLightCheckerboard = false;
+    bool m_firstUserMediaLoaded = false;
+};
+
+#endif // GRAPHICSVIEW_H
--- a/app/main.cpp
+++ b/app/main.cpp
@ -1,92 +1,103 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "mainwindow.h"
-
-#include "playlistmanager.h"
-#include "settings.h"
-
-#ifdef Q_OS_MACOS
-#include "fileopeneventhandler.h"
-#endif // Q_OS_MACOS
-
-#include <QApplication>
-#include <QCommandLineParser>
-#include <QDir>
-#include <QTranslator>
-#include <QUrl>
-
-int main(int argc, char *argv[])
-{
-    QCoreApplication::setApplicationName("Pineapple Pictures");
-    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/");
-#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)) {
-        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."));
-    // parse commandline arguments
-    QCommandLineParser parser;
-    parser.addOption(supportedImageFormats);
-    parser.addPositionalArgument("File list", QCoreApplication::translate("main", "File list."));
-    parser.addHelpOption();
-    parser.process(a);
-
-    if (parser.isSet(supportedImageFormats)) {
-#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
-        fputs(qPrintable(MainWindow::supportedImageFormats().join(QChar('\n'))), stdout);
-        ::exit(EXIT_SUCCESS);
-#else
-        QCommandLineParser::showMessageAndExit(QCommandLineParser::MessageType::Information,
-                                               MainWindow::supportedImageFormats().join(QChar('\n')));
-#endif
-    }
-
-    MainWindow w;
-    w.show();
-
-#ifdef Q_OS_MACOS
-    FileOpenEventHandler * fileOpenEventHandler = new FileOpenEventHandler(&a);
-    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.initWindowSize();
-    });
-#endif // Q_OS_MACOS
-
-    QStringList urlStrList = parser.positionalArguments();
-    QList<QUrl> && urlList = PlaylistManager::convertToUrlList(urlStrList);
-
-    if (!urlList.isEmpty()) {
-        w.showUrls(urlList);
-    }
-
-    w.initWindowSize();
-
-    return QApplication::exec();
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "mainwindow.h"
+
+#include "playlistmanager.h"
+#include "settings.h"
+
+#ifdef Q_OS_MACOS
+#include "fileopeneventhandler.h"
+#endif // Q_OS_MACOS
+
+#include <QApplication>
+#include <QCommandLineParser>
+#include <QDir>
+#include <QTranslator>
+#include <QUrl>
+
+using namespace Qt::Literals::StringLiterals;
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication::setApplicationName(u"Pineapple Pictures"_s);
+    QCoreApplication::setApplicationVersion(PPIC_VERSION_STRING);
+    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Settings::instance()->hiDpiScaleFactorBehavior());
+
+    QApplication a(argc, argv);
+
+    QTranslator translator;
+#if defined(TRANSLATION_RESOURCE_EMBEDDING)
+    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(), u"PineapplePictures"_s, u"_"_s, qmDir)) {
+        QCoreApplication::installTranslator(&translator);
+    }
+
+    QGuiApplication::setApplicationDisplayName(QCoreApplication::translate("main", "Pineapple Pictures"));
+
+    // commandline options
+    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);
+    parser.addPositionalArgument("File list", QCoreApplication::translate("main", "File list."));
+    parser.addHelpOption();
+    parser.process(a);
+
+    if (parser.isSet(supportedImageFormats)) {
+#if QT_VERSION < QT_VERSION_CHECK(6, 9, 0)
+        fputs(qPrintable(MainWindow::supportedImageFormats().join(QChar('\n'))), stdout);
+        ::exit(EXIT_SUCCESS);
+#else
+        QCommandLineParser::showMessageAndExit(QCommandLineParser::MessageType::Information,
+                                               MainWindow::supportedImageFormats().join(QChar('\n')));
+#endif
+    }
+
+    MainWindow w;
+    w.show();
+
+#ifdef Q_OS_MACOS
+    FileOpenEventHandler * fileOpenEventHandler = new FileOpenEventHandler(&a);
+    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.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.showUrls({});
+            w.galleryCurrent(true, true);
+            w.setWindowOpacity(1);
+            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);
+    }
+
+    w.initWindowSize();
+
+    return QApplication::exec();
+}
--- a/app/mainwindow.cpp
+++ b/app/mainwindow.cpp
@ -44,6 +44,8 @@
 #include <QDBusConnectionInterface>
 #endif // HAVE_QTDBUS

+using namespace Qt::Literals::StringLiterals;
+
 MainWindow::MainWindow(QWidget *parent)
    : FramelessWindow(parent)
    , m_am(new ActionManager)
@ -56,28 +58,24 @@ MainWindow::MainWindow(QWidget *parent)

    this->setAttribute(Qt::WA_TranslucentBackground, true);
    this->setMinimumSize(350, 330);
-    this->setWindowIcon(QIcon(":/icons/app-icon.svg"));
+    this->setWindowIcon(QIcon(u":/icons/app-icon.svg"_s));
    this->setMouseTracking(true);
    this->setAcceptDrops(true);

    m_pm->setAutoLoadFilterSuffixes(supportedImageFormats());

-    m_fadeOutAnimation = new QPropertyAnimation(this, "windowOpacity");
+    m_fadeOutAnimation = new QPropertyAnimation(this, "windowOpacity"_ba);
    m_fadeOutAnimation->setDuration(300);
    m_fadeOutAnimation->setStartValue(1);
    m_fadeOutAnimation->setEndValue(0);
-    m_floatUpAnimation = new QPropertyAnimation(this, "geometry");
+    m_floatUpAnimation = new QPropertyAnimation(this, "geometry"_ba);
    m_floatUpAnimation->setDuration(300);
    m_floatUpAnimation->setEasingCurve(QEasingCurve::OutCirc);
    m_exitAnimationGroup = new QParallelAnimationGroup(this);
    m_exitAnimationGroup->addAnimation(m_fadeOutAnimation);
    m_exitAnimationGroup->addAnimation(m_floatUpAnimation);
    connect(m_exitAnimationGroup, &QParallelAnimationGroup::finished,
-#ifdef Q_OS_MAC
-            this, &QWidget::hide);
-#else
-            this, &QWidget::close);
-#endif
+            this, &MainWindow::doCloseWindow);

    GraphicsScene * scene = new GraphicsScene(this);

@ -92,7 +90,7 @@ MainWindow::MainWindow(QWidget *parent)
    m_gv->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);

    connect(m_graphicsView, &GraphicsView::navigatorViewRequired,
-            this, [ = ](bool required, const QTransform & tf){
+            this, [this](bool required, const QTransform & tf){
        m_gv->setTransform(GraphicsView::resetScale(tf));
        m_gv->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
        m_gv->setVisible(required);
@ -141,10 +139,7 @@ MainWindow::MainWindow(QWidget *parent)
    m_gv->setOpacity(0, false);
    m_closeButton->setOpacity(0, false);

-    connect(m_pm, &PlaylistManager::totalCountChanged, this, [this](int galleryFileCount) {
-        m_prevButton->setVisible(galleryFileCount > 1);
-        m_nextButton->setVisible(galleryFileCount > 1);
-    });
+    connect(m_pm, &PlaylistManager::totalCountChanged, this, &MainWindow::updateGalleryButtonsVisibility);

    connect(m_pm->model(), &PlaylistModel::modelReset, this, std::bind(&MainWindow::galleryCurrent, this, false, false));
    connect(m_pm, &PlaylistManager::currentIndexChanged, this, std::bind(&MainWindow::galleryCurrent, this, true, false));
@ -180,10 +175,20 @@ MainWindow::~MainWindow()
 void MainWindow::showUrls(const QList<QUrl> &urls)
 {
    if (!urls.isEmpty()) {
-        m_graphicsView->showFileFromPath(urls.first().toLocalFile());
+        const QUrl & firstUrl = urls.first();
+        if (urls.count() == 1) {
+            const QString lowerCaseUrlPath(firstUrl.path().toLower());
+            if (lowerCaseUrlPath.endsWith(".m3u8") || lowerCaseUrlPath.endsWith(".m3u")) {
+                m_pm->loadM3U8Playlist(firstUrl);
+                galleryCurrent(true, true);
+                return;
+            }
+        }
+        m_graphicsView->showFileFromPath(firstUrl.toLocalFile());
        m_pm->loadPlaylist(urls);
    } else {
        m_graphicsView->showText(tr("File url list is empty"));
+        m_pm->setPlaylist(urls);
        return;
    }

@ -217,7 +222,7 @@ void MainWindow::adjustWindowSizeBySceneRect()

    if (m_graphicsView->scaleFactor() < 1 || size().expandedTo(sceneSizeWithMargins) != size()) {
        // if it scaled down by the resize policy:
-        QSize screenSize = qApp->screenAt(QCursor::pos())->availableSize();
+        QSize screenSize = window()->screen()->availableSize();
        if (screenSize.expandedTo(sceneSize) == screenSize) {
            // we can show the picture by increase the window size.
            QSize finalSize = (screenSize.expandedTo(sceneSizeWithMargins) == screenSize) ?
@ -251,6 +256,9 @@ void MainWindow::clearGallery()

 void MainWindow::galleryPrev()
 {
+    const bool loopGallery = Settings::instance()->loopGallery();
+    if (!loopGallery && m_pm->isFirstIndex()) return;
+
    QModelIndex index = m_pm->previousIndex();
    if (index.isValid()) {
        m_pm->setCurrentIndex(index);
@ -260,6 +268,9 @@ void MainWindow::galleryPrev()

 void MainWindow::galleryNext()
 {
+    const bool loopGallery = Settings::instance()->loopGallery();
+    if (!loopGallery && m_pm->isLastIndex()) return;
+
    QModelIndex index = m_pm->nextIndex();
    if (index.isValid()) {
        m_pm->setCurrentIndex(index);
@ -281,6 +292,8 @@ void MainWindow::galleryCurrent(bool showLoadImageHintWhenEmpty, bool reloadImag
        m_graphicsView->showText(QCoreApplication::translate("GraphicsScene", "Drag image here"));
    }

+    updateGalleryButtonsVisibility();
+
    if (shouldResetfileWatcher) updateFileWatcher();
 }

@ -304,7 +317,7 @@ void MainWindow::showEvent(QShowEvent *event)
    return FramelessWindow::showEvent(event);
 }

-void MainWindow::enterEvent(QT_ENTER_EVENT *event)
+void MainWindow::enterEvent(QEnterEvent *event)
 {
    m_bottomButtonGroup->setOpacity(1);
    m_gv->setOpacity(1);
@ -345,11 +358,7 @@ void MainWindow::mouseMoveEvent(QMouseEvent *event)
 {
    if (event->buttons() & Qt::LeftButton && m_clickedOnWindow && !isMaximized() && !isFullScreen()) {
        if (!window()->windowHandle()->startSystemMove()) {
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
            move(event->globalPosition().toPoint() - m_oldMousePos);
-#else
-            move(event->globalPos() - m_oldMousePos);
-#endif // QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        }
        event->accept();
    }
@ -451,13 +460,11 @@ void MainWindow::contextMenuEvent(QContextMenuEvent *event)
    QMenu * menu = new QMenu;
    QMenu * copyMenu = new QMenu(tr("&Copy"));
    QUrl currentFileUrl = currentImageFileUrl();
-    QImage clipboardImage;
-    QUrl clipboardFileUrl;

    QAction * copyPixmap = m_am->actionCopyPixmap;
    QAction * copyFilePath = m_am->actionCopyFilePath;

-    copyMenu->setIcon(QIcon::fromTheme(QLatin1String("edit-copy")));
+    copyMenu->setIcon(QIcon::fromTheme(u"edit-copy"_s));
    copyMenu->addAction(copyPixmap);
    if (currentFileUrl.isValid()) {
        copyMenu->addAction(copyFilePath);
@ -577,19 +584,23 @@ void MainWindow::centerWindow()
            Qt::LeftToRight,
            Qt::AlignCenter,
            this->size(),
-            qApp->screenAt(QCursor::pos())->availableGeometry()
+            window()->screen()->availableGeometry()
        )
    );
 }

 void MainWindow::closeWindow()
 {
-    QRect windowRect(this->geometry());
-    m_floatUpAnimation->setStartValue(windowRect);
-    m_floatUpAnimation->setEndValue(windowRect.adjusted(0, -80, 0, 0));
-    m_floatUpAnimation->setStartValue(QRect(this->geometry().x(), this->geometry().y(), this->geometry().width(), this->geometry().height()));
-    m_floatUpAnimation->setEndValue(QRect(this->geometry().x(), this->geometry().y()-80, this->geometry().width(), this->geometry().height()));
-    m_exitAnimationGroup->start();
+    if (Settings::instance()->useBuiltInCloseAnimation()) {
+        QRect windowRect(this->geometry());
+        m_floatUpAnimation->setStartValue(windowRect);
+        m_floatUpAnimation->setEndValue(windowRect.adjusted(0, -80, 0, 0));
+        m_floatUpAnimation->setStartValue(QRect(this->geometry().x(), this->geometry().y(), this->geometry().width(), this->geometry().height()));
+        m_floatUpAnimation->setEndValue(QRect(this->geometry().x(), this->geometry().y()-80, this->geometry().width(), this->geometry().height()));
+        m_exitAnimationGroup->start();
+    } else {
+        doCloseWindow();
+    }
 }

 void MainWindow::updateWidgetsPosition()
@ -607,8 +618,7 @@ void MainWindow::toggleProtectedMode()
 {
    m_protectedMode = !m_protectedMode;
    m_closeButton->setVisible(!m_protectedMode);
-    m_prevButton->setVisible(!m_protectedMode);
-    m_nextButton->setVisible(!m_protectedMode);
+    updateGalleryButtonsVisibility();
 }

 void MainWindow::toggleStayOnTop()
@ -690,6 +700,7 @@ void MainWindow::on_actionActualSize_triggered()
 {
    m_graphicsView->resetScale();
    m_graphicsView->setEnableAutoFitInView(false);
+    m_graphicsView->setLongImageMode(false);
 }

 void MainWindow::on_actionToggleMaximize_triggered()
@ -718,6 +729,7 @@ void MainWindow::on_actionFitInView_triggered()
 {
    m_graphicsView->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
    m_graphicsView->setEnableAutoFitInView(m_graphicsView->scaleFactor() <= 1);
+    m_graphicsView->setLongImageMode(false);
 }

 void MainWindow::on_actionFitByWidth_triggered()
@ -784,7 +796,7 @@ void MainWindow::on_actionTrash_triggered()
    if (result == QMessageBox::Yes) {
        bool succ = file.moveToTrash();
        if (!succ) {
-            QMessageBox::warning(this, "Failed to move file to trash",
+            QMessageBox::warning(this, tr("Failed to move file to trash"),
                                 tr("Move to trash failed, it might caused by file permission issue, file system limitation, or platform limitation."));
        } else {
            m_pm->removeAt(index);
@ -803,14 +815,12 @@ void MainWindow::on_actionRotateClockwise_triggered()
 {
    m_graphicsView->rotateView();
    m_graphicsView->displayScene();
-    m_gv->setVisible(false);
 }

 void MainWindow::on_actionRotateCounterClockwise_triggered()
 {
    m_graphicsView->rotateView(false);
    m_graphicsView->displayScene();
-    m_gv->setVisible(false);
 }

 void MainWindow::on_actionPrevPicture_triggered()
@ -895,9 +905,9 @@ void MainWindow::on_actionLocateInFileManager_triggered()
        QDesktopServices::openUrl(folderUrl);
        return;
    }
-    QDBusInterface fm1Iface(QStringLiteral("org.freedesktop.FileManager1"),
-                            QStringLiteral("/org/freedesktop/FileManager1"),
-                            QStringLiteral("org.freedesktop.FileManager1"));
+    QDBusInterface fm1Iface(u"org.freedesktop.FileManager1"_s,
+                            u"/org/freedesktop/FileManager1"_s,
+                            u"org.freedesktop.FileManager1"_s);
    fm1Iface.setTimeout(1000);
    fm1Iface.callWithArgumentList(QDBus::Block, "ShowItems", {
                                      QStringList{currentFileUrl.toString()},
@ -916,9 +926,28 @@ void MainWindow::on_actionQuitApp_triggered()
    quitAppAction(false);
 }

+void MainWindow::doCloseWindow()
+{
+#ifdef Q_OS_MAC
+    this->hide();
+#else
+    this->close();
+#endif
+}
+
 bool MainWindow::updateFileWatcher(const QString &basePath)
 {
    m_fileSystemWatcher->removePaths(m_fileSystemWatcher->files());
    if (!basePath.isEmpty()) return m_fileSystemWatcher->addPath(basePath);
    return false;
 }
+
+void MainWindow::updateGalleryButtonsVisibility()
+{
+    const int galleryFileCount = m_pm->totalCount();
+    const bool loopGallery = Settings::instance()->loopGallery();
+    m_prevButton->setVisible(!m_protectedMode && galleryFileCount > 1);
+    m_nextButton->setVisible(!m_protectedMode && galleryFileCount > 1);
+    m_prevButton->setEnabled(loopGallery || !m_pm->isFirstIndex());
+    m_nextButton->setEnabled(loopGallery || !m_pm->isLastIndex());
+}
--- a/app/mainwindow.h
+++ b/app/mainwindow.h
@ -1,137 +1,134 @@
-// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
-//
-// SPDX-License-Identifier: MIT
-
-#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)
-
-QT_BEGIN_NAMESPACE
-class QGraphicsOpacityEffect;
-class QGraphicsView;
-class QFileSystemWatcher;
-QT_END_NAMESPACE
-
-class ActionManager;
-class PlaylistManager;
-class ToolButton;
-class GraphicsView;
-class NavigatorView;
-class BottomButtonGroup;
-class MainWindow : public FramelessWindow
-{
-    Q_OBJECT
-
-public:
-    explicit MainWindow(QWidget *parent = nullptr);
-    ~MainWindow() override;
-
-    void showUrls(const QList<QUrl> &urls);
-    void initWindowSize();
-    void adjustWindowSizeBySceneRect();
-    QUrl currentImageFileUrl() const;
-
-    void clearGallery();
-    void galleryPrev();
-    void galleryNext();
-    void galleryCurrent(bool showLoadImageHintWhenEmpty, bool reloadImage);
-
-    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();
-
-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_actionPrevPicture_triggered();
-    void on_actionNextPicture_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_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());
-
-private:
-    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
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include "framelesswindow.h"
+
+#include <QParallelAnimationGroup>
+#include <QPropertyAnimation>
+#include <QPushButton>
+
+QT_BEGIN_NAMESPACE
+class QGraphicsOpacityEffect;
+class QGraphicsView;
+class QFileSystemWatcher;
+QT_END_NAMESPACE
+
+class ActionManager;
+class PlaylistManager;
+class ToolButton;
+class GraphicsView;
+class NavigatorView;
+class BottomButtonGroup;
+class MainWindow : public FramelessWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    ~MainWindow() override;
+
+    void showUrls(const QList<QUrl> &urls);
+    void initWindowSize();
+    void adjustWindowSizeBySceneRect();
+    QUrl currentImageFileUrl() const;
+
+    void clearGallery();
+    void galleryPrev();
+    void galleryNext();
+    void galleryCurrent(bool showLoadImageHintWhenEmpty, bool reloadImage);
+
+    static QStringList supportedImageFormats();
+
+protected slots:
+    void showEvent(QShowEvent *event) override;
+    void enterEvent(QEnterEvent *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();
+
+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_actionPrevPicture_triggered();
+    void on_actionNextPicture_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_actionSettings_triggered();
+    void on_actionHelp_triggered();
+    void on_actionProperties_triggered();
+    void on_actionLocateInFileManager_triggered();
+    void on_actionQuitApp_triggered();
+
+    void doCloseWindow();
+
+private:
+    bool updateFileWatcher(const QString & basePath = QString());
+    void updateGalleryButtonsVisibility();
+
+private:
+    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
--- a/app/metadatadialog.cpp
+++ b/app/metadatadialog.cpp
@ -1,110 +1,110 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "metadatadialog.h"
-
-#include <QDialogButtonBox>
-#include <QPainter>
-#include <QStyledItemDelegate>
-#include <QTreeView>
-#include <QVBoxLayout>
-#include <QHeaderView>
-
-#include "metadatamodel.h"
-
-class PropertyTreeView : public QTreeView
-{
-public:
-    explicit PropertyTreeView(QWidget* parent) : QTreeView(parent) {}
-    ~PropertyTreeView() {}
-
-protected:
-    void rowsInserted(const QModelIndex& parent, int start, int end) override
-    {
-        QTreeView::rowsInserted(parent, start, end);
-        if (!parent.isValid()) {
-            // we are inserting a section group
-            for (int row = start; row <= end; ++row) {
-                setupSection(row);
-            }
-        } else {
-            // we are inserting a property
-            setRowHidden(parent.row(), QModelIndex(), false);
-        }
-    }
-
-    void reset() override
-    {
-        QTreeView::reset();
-        if (model()) {
-            for (int row = 0; row < model()->rowCount(); ++row) {
-                setupSection(row);
-            }
-        }
-    }
-
-private:
-    void setupSection(int row)
-    {
-        expand(model()->index(row, 0));
-        setFirstColumnSpanned(row, QModelIndex(), true);
-        setRowHidden(row, QModelIndex(), !model()->hasChildren(model()->index(row, 0)));
-    }
-};
-
-class PropertyTreeItemDelegate : public QStyledItemDelegate
-{
-public:
-    PropertyTreeItemDelegate(QObject* parent)
-        : QStyledItemDelegate(parent)
-    {}
-
-protected:
-    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
-    {
-        QStyleOptionViewItem opt = option;
-        if (!index.parent().isValid()) {
-            opt.font.setBold(true);
-            opt.features.setFlag(QStyleOptionViewItem::Alternate);
-        }
-        QStyledItemDelegate::paint(painter, opt, index);
-    }
-};
-
-MetadataDialog::MetadataDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_treeView(new PropertyTreeView(this))
-{
-    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);
-}
-
-MetadataDialog::~MetadataDialog()
-{
-
-}
-
-void MetadataDialog::setMetadataModel(MetadataModel * model)
-{
-    m_treeView->setModel(model);
-}
-
-QSize MetadataDialog::sizeHint() const
-{
-    return QSize(520, 350);
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "metadatadialog.h"
+
+#include <QDialogButtonBox>
+#include <QPainter>
+#include <QStyledItemDelegate>
+#include <QTreeView>
+#include <QVBoxLayout>
+#include <QHeaderView>
+
+#include "metadatamodel.h"
+
+class PropertyTreeView : public QTreeView
+{
+public:
+    explicit PropertyTreeView(QWidget* parent) : QTreeView(parent) {}
+    ~PropertyTreeView() {}
+
+protected:
+    void rowsInserted(const QModelIndex& parent, int start, int end) override
+    {
+        QTreeView::rowsInserted(parent, start, end);
+        if (!parent.isValid()) {
+            // we are inserting a section group
+            for (int row = start; row <= end; ++row) {
+                setupSection(row);
+            }
+        } else {
+            // we are inserting a property
+            setRowHidden(parent.row(), QModelIndex(), false);
+        }
+    }
+
+    void reset() override
+    {
+        QTreeView::reset();
+        if (model()) {
+            for (int row = 0; row < model()->rowCount(); ++row) {
+                setupSection(row);
+            }
+        }
+    }
+
+private:
+    void setupSection(int row)
+    {
+        expand(model()->index(row, 0));
+        setFirstColumnSpanned(row, QModelIndex(), true);
+        setRowHidden(row, QModelIndex(), !model()->hasChildren(model()->index(row, 0)));
+    }
+};
+
+class PropertyTreeItemDelegate : public QStyledItemDelegate
+{
+public:
+    PropertyTreeItemDelegate(QObject* parent)
+        : QStyledItemDelegate(parent)
+    {}
+
+protected:
+    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
+    {
+        QStyleOptionViewItem opt = option;
+        if (!index.parent().isValid()) {
+            opt.font.setBold(true);
+            opt.features.setFlag(QStyleOptionViewItem::Alternate);
+        }
+        QStyledItemDelegate::paint(painter, opt, index);
+    }
+};
+
+MetadataDialog::MetadataDialog(QWidget *parent)
+    : QDialog(parent)
+    , m_treeView(new PropertyTreeView(this))
+{
+    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);
+}
+
+MetadataDialog::~MetadataDialog()
+{
+
+}
+
+void MetadataDialog::setMetadataModel(MetadataModel * model)
+{
+    m_treeView->setModel(model);
+}
+
+QSize MetadataDialog::sizeHint() const
+{
+    return QSize(520, 350);
+}
--- a/app/metadatadialog.h
+++ b/app/metadatadialog.h
@ -1,30 +1,30 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef METADATADIALOG_H
-#define METADATADIALOG_H
-
-#include <QDialog>
-
-QT_BEGIN_NAMESPACE
-class QTreeView;
-QT_END_NAMESPACE
-
-class MetadataModel;
-class MetadataDialog : public QDialog
-{
-    Q_OBJECT
-public:
-    explicit MetadataDialog(QWidget * parent);
-    ~MetadataDialog() override;
-
-    void setMetadataModel(MetadataModel * model);
-
-    QSize sizeHint() const override;
-
-private:
-    QTreeView * m_treeView = nullptr;
-};
-
-#endif // METADATADIALOG_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef METADATADIALOG_H
+#define METADATADIALOG_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QTreeView;
+QT_END_NAMESPACE
+
+class MetadataModel;
+class MetadataDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit MetadataDialog(QWidget * parent);
+    ~MetadataDialog() override;
+
+    void setMetadataModel(MetadataModel * model);
+
+    QSize sizeHint() const override;
+
+private:
+    QTreeView * m_treeView = nullptr;
+};
+
+#endif // METADATADIALOG_H
--- a/app/metadatamodel.cpp
+++ b/app/metadatamodel.cpp
@ -1,318 +1,320 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "metadatamodel.h"
-#include "exiv2wrapper.h"
-
-#include <QDir>
-#include <QDebug>
-#include <QDateTime>
-#include <QFileInfo>
-#include <QImageReader>
-
-MetadataModel::MetadataModel(QObject *parent)
-    : QAbstractItemModel(parent)
-{
-
-}
-
-MetadataModel::~MetadataModel()
-{
-
-}
-
-void MetadataModel::setFile(const QString &imageFilePath)
-{
-    QFileInfo fileInfo(imageFilePath);
-    // It'll be fine if we don't re-use the image reader we pass to the graphics scene for now.
-    QImageReader imgReader(imageFilePath);
-    imgReader.setAutoTransform(true);
-    imgReader.setDecideFormatFromContent(true);
-
-    const QString & itemTypeString = tr("%1 File").arg(QString(imgReader.format().toUpper()));
-    const QString & sizeString = QLocale().formattedDataSize(fileInfo.size());
-    const QString & birthTimeString = QLocale().toString(fileInfo.birthTime(), QLocale::LongFormat);
-    const QString & lastModifiedTimeString = QLocale().toString(fileInfo.lastModified(), QLocale::LongFormat);
-    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."));
-
-    if (imgReader.supportsOption(QImageIOHandler::Size)) {
-        appendProperty(QStringLiteral("Image"), QStringLiteral("Image.Dimensions"),
-                       tr("Dimensions"), imageDimensionsString);
-        appendProperty(QStringLiteral("Image"), QStringLiteral("Image.SizeRatio"),
-                       tr("Aspect ratio"), imageRatioString);
-    }
-    if (imgReader.supportsAnimation() && imgReader.imageCount() > 1) {
-        appendProperty(QStringLiteral("Image"), QStringLiteral("Image.FrameCount"),
-                       tr("Frame count"), QString::number(imgReader.imageCount()));
-    }
-
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.Name"),
-                   tr("Name"), fileInfo.fileName());
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.ItemType"),
-                   tr("Item type"), itemTypeString);
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.Path"),
-                   tr("Folder path"), QDir::toNativeSeparators(fileInfo.path()));
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.Size"),
-                   tr("Size"), sizeString);
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.CreatedTime"),
-                   tr("Date created"), birthTimeString);
-    appendProperty(QStringLiteral("File"), QStringLiteral("File.LastModified"),
-                   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"),
-                                 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"));
-        // 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, 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, 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, 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, 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"));
-
-    }
-}
-
-QString MetadataModel::imageSize(const QSize &size)
-{
-    QString imageSize;
-
-    if (size.isValid()) {
-        imageSize = tr("%1 x %2").arg(QString::number(size.width()), QString::number(size.height()));
-    } else {
-        imageSize = QLatin1Char('-');
-    }
-
-    return imageSize;
-}
-
-int simplegcd(int a, int b) {
-    return b == 0 ? a : simplegcd(b, a % b);
-}
-
-QString MetadataModel::imageSizeRatio(const QSize &size)
-{
-    if (!size.isValid()) {
-        return QStringLiteral("-");
-    }
-    int gcd = simplegcd(size.width(), size.height());
-    return tr("%1 : %2").arg(QString::number(size.width() / gcd), QString::number(size.height() / gcd));
-}
-
-bool MetadataModel::appendSection(const QString &sectionKey, QStringView sectionDisplayName)
-{
-    if (m_sections.contains(sectionKey)) {
-        return false;
-    }
-
-    m_sections.append(sectionKey);
-    m_sectionProperties[sectionKey] = qMakePair<QString, QList<QString> >(sectionDisplayName.toString(), {});
-
-    return true;
-}
-
-bool MetadataModel::appendPropertyIfNotEmpty(const QString &sectionKey, const QString &propertyKey, const QString &propertyDisplayName, const QString &propertyValue)
-{
-    if (propertyValue.isEmpty()) return false;
-
-    return appendProperty(sectionKey, propertyKey, propertyDisplayName, propertyValue);
-}
-
-bool MetadataModel::appendProperty(const QString &sectionKey, const QString &propertyKey, QStringView propertyDisplayName, QStringView propertyValue)
-{
-    if (!m_sections.contains(sectionKey)) {
-        return false;
-    }
-
-    QList<QString> & propertyList = m_sectionProperties[sectionKey].second;
-    if (!propertyList.contains(propertyKey)) {
-        propertyList.append(propertyKey);
-    }
-
-    m_properties[propertyKey] = qMakePair<QString, QString>(propertyDisplayName.toString(), propertyValue.toString());
-
-    return true;
-}
-
-bool MetadataModel::appendExivPropertyIfExist(const Exiv2Wrapper &wrapper, const QString &sectionKey, const QString &exiv2propertyKey, const QString &propertyDisplayName, bool isXmpString)
-{
-    const QString & value = wrapper.value(exiv2propertyKey);
-    if (!value.isEmpty()) {
-        appendProperty(sectionKey, exiv2propertyKey,
-                       propertyDisplayName.isEmpty() ? wrapper.label(exiv2propertyKey) : propertyDisplayName,
-                       isXmpString ? Exiv2Wrapper::XmpValue(value) : value);
-        return true;
-    }
-    return false;
-}
-
-QModelIndex MetadataModel::index(int row, int column, const QModelIndex &parent) const
-{
-    if (!hasIndex(row, column, parent)) {
-        return QModelIndex();
-    }
-
-    if (!parent.isValid()) {
-        return createIndex(row, column, RowType::SectionRow);
-    } else {
-        // internalid param: row means nth section it belongs to.
-        return createIndex(row, column, RowType::PropertyRow + parent.row());
-    }
-}
-
-QModelIndex MetadataModel::parent(const QModelIndex &child) const
-{
-    if (!child.isValid()) {
-        return QModelIndex();
-    }
-
-    if (child.internalId() == RowType::SectionRow) {
-        return QModelIndex();
-    } else {
-        return createIndex(child.internalId() - RowType::PropertyRow, 0, SectionRow);
-    }
-}
-
-int MetadataModel::rowCount(const QModelIndex &parent) const
-{
-    if (!parent.isValid()) {
-        return m_sections.count();
-    }
-
-    if (parent.internalId() == RowType::SectionRow) {
-        const QString & sectionKey = m_sections[parent.row()];
-        return m_sectionProperties[sectionKey].second.count();
-    }
-
-    return 0;
-}
-
-int MetadataModel::columnCount(const QModelIndex &) const
-{
-    // Always key(display name) and value.
-    return 2;
-}
-
-QVariant MetadataModel::data(const QModelIndex &index, int role) const
-{
-    if (!index.isValid()) {
-        return QVariant();
-    }
-
-    if (role != Qt::DisplayRole) {
-        return QVariant();
-    }
-
-    if (index.internalId() == RowType::SectionRow) {
-        return (index.column() == 0) ? m_sectionProperties[m_sections[index.row()]].first
-                                     : QVariant();
-    } else {
-        int sectionIndex = index.internalId() - RowType::PropertyRow;
-        const QString & sectionKey = m_sections[sectionIndex];
-        const QList<QString> & propertyList = m_sectionProperties[sectionKey].second;
-        return (index.column() == 0) ? m_properties[propertyList[index.row()]].first
-                                     : m_properties[propertyList[index.row()]].second;
-    }
-}
-
-QVariant MetadataModel::headerData(int section, Qt::Orientation orientation, int role) const
-{
-    if (orientation == Qt::Vertical || role != Qt::DisplayRole) {
-        return QVariant();
-    }
-
-    return section == 0 ? tr("Property") : tr("Value");
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "metadatamodel.h"
+#include "exiv2wrapper.h"
+
+#include <QDir>
+#include <QDebug>
+#include <QDateTime>
+#include <QFileInfo>
+#include <QImageReader>
+
+using namespace Qt::Literals::StringLiterals;
+
+MetadataModel::MetadataModel(QObject *parent)
+    : QAbstractItemModel(parent)
+{
+
+}
+
+MetadataModel::~MetadataModel()
+{
+
+}
+
+void MetadataModel::setFile(const QString &imageFilePath)
+{
+    QFileInfo fileInfo(imageFilePath);
+    // It'll be fine if we don't re-use the image reader we pass to the graphics scene for now.
+    QImageReader imgReader(imageFilePath);
+    imgReader.setAutoTransform(true);
+    imgReader.setDecideFormatFromContent(true);
+
+    const QString & itemTypeString = tr("%1 File").arg(QString(imgReader.format().toUpper()));
+    const QString & sizeString = QLocale().formattedDataSize(fileInfo.size());
+    const QString & birthTimeString = QLocale().toString(fileInfo.birthTime(), QLocale::LongFormat);
+    const QString & lastModifiedTimeString = QLocale().toString(fileInfo.lastModified(), QLocale::LongFormat);
+    const QString & imageDimensionsString = imageSize(imgReader.size());
+    const QString & imageRatioString = imageSizeRatio(imgReader.size());
+
+    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(u"Image"_s, u"Image.Dimensions"_s,
+                       tr("Dimensions"), imageDimensionsString);
+        appendProperty(u"Image"_s, u"Image.SizeRatio"_s,
+                       tr("Aspect ratio"), imageRatioString);
+    }
+    if (imgReader.supportsAnimation() && imgReader.imageCount() > 1) {
+        appendProperty(u"Image"_s, u"Image.FrameCount"_s,
+                       tr("Frame count"), QString::number(imgReader.imageCount()));
+    }
+
+    appendProperty(u"File"_s, u"File.Name"_s,
+                   tr("Name"), fileInfo.fileName());
+    appendProperty(u"File"_s, u"File.ItemType"_s,
+                   tr("Item type"), itemTypeString);
+    appendProperty(u"File"_s, u"File.Path"_s,
+                   tr("Folder path"), QDir::toNativeSeparators(fileInfo.path()));
+    appendProperty(u"File"_s, u"File.Size"_s,
+                   tr("Size"), sizeString);
+    appendProperty(u"File"_s, u"File.CreatedTime"_s,
+                   tr("Date created"), birthTimeString);
+    appendProperty(u"File"_s, u"File.LastModified"_s,
+                   tr("Date modified"), lastModifiedTimeString);
+
+    Exiv2Wrapper wrapper;
+    if (wrapper.load(imageFilePath)) {
+        wrapper.cacheSections();
+
+        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, 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, 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, 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, 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, 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, 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"));
+
+    }
+}
+
+QString MetadataModel::imageSize(const QSize &size)
+{
+    QString imageSize;
+
+    if (size.isValid()) {
+        imageSize = tr("%1 x %2").arg(QString::number(size.width()), QString::number(size.height()));
+    } else {
+        imageSize = QLatin1Char('-');
+    }
+
+    return imageSize;
+}
+
+int simplegcd(int a, int b) {
+    return b == 0 ? a : simplegcd(b, a % b);
+}
+
+QString MetadataModel::imageSizeRatio(const QSize &size)
+{
+    if (!size.isValid()) {
+        return QStringLiteral("-");
+    }
+    int gcd = simplegcd(size.width(), size.height());
+    return tr("%1 : %2").arg(QString::number(size.width() / gcd), QString::number(size.height() / gcd));
+}
+
+bool MetadataModel::appendSection(const QString &sectionKey, QStringView sectionDisplayName)
+{
+    if (m_sections.contains(sectionKey)) {
+        return false;
+    }
+
+    m_sections.append(sectionKey);
+    m_sectionProperties[sectionKey] = qMakePair<QString, QList<QString> >(sectionDisplayName.toString(), {});
+
+    return true;
+}
+
+bool MetadataModel::appendPropertyIfNotEmpty(const QString &sectionKey, const QString &propertyKey, const QString &propertyDisplayName, const QString &propertyValue)
+{
+    if (propertyValue.isEmpty()) return false;
+
+    return appendProperty(sectionKey, propertyKey, propertyDisplayName, propertyValue);
+}
+
+bool MetadataModel::appendProperty(const QString &sectionKey, const QString &propertyKey, QStringView propertyDisplayName, QStringView propertyValue)
+{
+    if (!m_sections.contains(sectionKey)) {
+        return false;
+    }
+
+    QList<QString> & propertyList = m_sectionProperties[sectionKey].second;
+    if (!propertyList.contains(propertyKey)) {
+        propertyList.append(propertyKey);
+    }
+
+    m_properties[propertyKey] = qMakePair<QString, QString>(propertyDisplayName.toString(), propertyValue.toString());
+
+    return true;
+}
+
+bool MetadataModel::appendExivPropertyIfExist(const Exiv2Wrapper &wrapper, const QString &sectionKey, const QString &exiv2propertyKey, const QString &propertyDisplayName, bool isXmpString)
+{
+    const QString & value = wrapper.value(exiv2propertyKey);
+    if (!value.isEmpty()) {
+        appendProperty(sectionKey, exiv2propertyKey,
+                       propertyDisplayName.isEmpty() ? wrapper.label(exiv2propertyKey) : propertyDisplayName,
+                       isXmpString ? Exiv2Wrapper::XmpValue(value) : value);
+        return true;
+    }
+    return false;
+}
+
+QModelIndex MetadataModel::index(int row, int column, const QModelIndex &parent) const
+{
+    if (!hasIndex(row, column, parent)) {
+        return QModelIndex();
+    }
+
+    if (!parent.isValid()) {
+        return createIndex(row, column, RowType::SectionRow);
+    } else {
+        // internalid param: row means nth section it belongs to.
+        return createIndex(row, column, RowType::PropertyRow + parent.row());
+    }
+}
+
+QModelIndex MetadataModel::parent(const QModelIndex &child) const
+{
+    if (!child.isValid()) {
+        return QModelIndex();
+    }
+
+    if (child.internalId() == RowType::SectionRow) {
+        return QModelIndex();
+    } else {
+        return createIndex(child.internalId() - RowType::PropertyRow, 0, SectionRow);
+    }
+}
+
+int MetadataModel::rowCount(const QModelIndex &parent) const
+{
+    if (!parent.isValid()) {
+        return m_sections.count();
+    }
+
+    if (parent.internalId() == RowType::SectionRow) {
+        const QString & sectionKey = m_sections[parent.row()];
+        return m_sectionProperties[sectionKey].second.count();
+    }
+
+    return 0;
+}
+
+int MetadataModel::columnCount(const QModelIndex &) const
+{
+    // Always key(display name) and value.
+    return 2;
+}
+
+QVariant MetadataModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid()) {
+        return QVariant();
+    }
+
+    if (role != Qt::DisplayRole) {
+        return QVariant();
+    }
+
+    if (index.internalId() == RowType::SectionRow) {
+        return (index.column() == 0) ? m_sectionProperties[m_sections[index.row()]].first
+                                     : QVariant();
+    } else {
+        int sectionIndex = index.internalId() - RowType::PropertyRow;
+        const QString & sectionKey = m_sections[sectionIndex];
+        const QList<QString> & propertyList = m_sectionProperties[sectionKey].second;
+        return (index.column() == 0) ? m_properties[propertyList[index.row()]].first
+                                     : m_properties[propertyList[index.row()]].second;
+    }
+}
+
+QVariant MetadataModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (orientation == Qt::Vertical || role != Qt::DisplayRole) {
+        return QVariant();
+    }
+
+    return section == 0 ? tr("Property") : tr("Value");
+}
--- a/app/metadatamodel.h
+++ b/app/metadatamodel.h
@ -1,52 +1,52 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef METADATAMODEL_H
-#define METADATAMODEL_H
-
-#include <QAbstractItemModel>
-
-class Exiv2Wrapper;
-class MetadataModel : public QAbstractItemModel
-{
-    Q_OBJECT
-
-public:
-    explicit MetadataModel(QObject *parent = nullptr);
-    ~MetadataModel();
-
-    void setFile(const QString & imageFilePath);
-    static QString imageSize(const QSize &size);
-    static QString imageSizeRatio(const QSize &size);
-    bool appendSection(const QString & sectionKey, QStringView sectionDisplayName);
-    bool appendPropertyIfNotEmpty(const QString & sectionKey, const QString & propertyKey,
-                                  const QString & propertyDisplayName, const QString & propertyValue = QString());
-    bool appendProperty(const QString & sectionKey, const QString & propertyKey,
-                        QStringView propertyDisplayName, QStringView propertyValue = QString());
-    bool appendExivPropertyIfExist(const Exiv2Wrapper & wrapper, const QString & sectionKey,
-                                   const QString & exiv2propertyKey, const QString & propertyDisplayName = QString(),
-                                   bool isXmpString = false);
-
-private:
-    enum RowType : quintptr {
-        SectionRow,
-        PropertyRow,
-    };
-
-    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
-    QModelIndex parent(const QModelIndex &child) const override;
-    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
-    int columnCount(const QModelIndex & = QModelIndex()) const override;
-    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
-    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
-
-    // [SECTION_KEY]
-    QList<QString> m_sections;
-    // {SECTION_KEY: (SECTION_DISPLAY_NAME, [PROPERTY_KEY])}
-    QMap<QString, QPair<QString, QList<QString> > > m_sectionProperties;
-    // {PROPERTY_KEY: (PROPERTY_DISPLAY_NAME, PROPERTY_VALUE)}
-    QMap<QString, QPair<QString, QString> > m_properties;
-};
-
-#endif // METADATAMODEL_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef METADATAMODEL_H
+#define METADATAMODEL_H
+
+#include <QAbstractItemModel>
+
+class Exiv2Wrapper;
+class MetadataModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    explicit MetadataModel(QObject *parent = nullptr);
+    ~MetadataModel();
+
+    void setFile(const QString & imageFilePath);
+    static QString imageSize(const QSize &size);
+    static QString imageSizeRatio(const QSize &size);
+    bool appendSection(const QString & sectionKey, QStringView sectionDisplayName);
+    bool appendPropertyIfNotEmpty(const QString & sectionKey, const QString & propertyKey,
+                                  const QString & propertyDisplayName, const QString & propertyValue = QString());
+    bool appendProperty(const QString & sectionKey, const QString & propertyKey,
+                        QStringView propertyDisplayName, QStringView propertyValue = QString());
+    bool appendExivPropertyIfExist(const Exiv2Wrapper & wrapper, const QString & sectionKey,
+                                   const QString & exiv2propertyKey, const QString & propertyDisplayName = QString(),
+                                   bool isXmpString = false);
+
+private:
+    enum RowType : quintptr {
+        SectionRow,
+        PropertyRow,
+    };
+
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
+    QModelIndex parent(const QModelIndex &child) const override;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex & = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+    // [SECTION_KEY]
+    QList<QString> m_sections;
+    // {SECTION_KEY: (SECTION_DISPLAY_NAME, [PROPERTY_KEY])}
+    QMap<QString, QPair<QString, QList<QString> > > m_sectionProperties;
+    // {PROPERTY_KEY: (PROPERTY_DISPLAY_NAME, PROPERTY_VALUE)}
+    QMap<QString, QPair<QString, QString> > m_properties;
+};
+
+#endif // METADATAMODEL_H
--- a/app/navigatorview.cpp
+++ b/app/navigatorview.cpp
@ -1,86 +1,91 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "navigatorview.h"
-
-#include "graphicsview.h"
-#include "opacityhelper.h"
-
-#include <QMouseEvent>
-#include <QDebug>
-
-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;");
-}
-
-// doesn't take or manage its ownership
-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();
-    }
-}
-
-void NavigatorView::mousePressEvent(QMouseEvent *event)
-{
-    m_mouseDown = true;
-
-    if (m_mainView) {
-        m_mainView->centerOn(mapToScene(event->pos()));
-        update();
-    }
-
-    event->accept();
-}
-
-void NavigatorView::mouseMoveEvent(QMouseEvent *event)
-{
-    if (m_mouseDown && m_mainView) {
-        m_mainView->centerOn(mapToScene(event->pos()));
-        update();
-        event->accept();
-    } else {
-        event->ignore();
-    }
-}
-
-void NavigatorView::mouseReleaseEvent(QMouseEvent *event)
-{
-    m_mouseDown = false;
-
-    event->accept();
-}
-
-void NavigatorView::wheelEvent(QWheelEvent *event)
-{
-    event->ignore();
-    return QGraphicsView::wheelEvent(event);
-}
-
-void NavigatorView::paintEvent(QPaintEvent *event)
-{
-    QGraphicsView::paintEvent(event);
-
-    QPainter painter(viewport());
-    painter.setPen(QPen(Qt::gray, 2));
-    painter.drawRect(m_viewportRegion.boundingRect());
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "navigatorview.h"
+
+#include "graphicsview.h"
+#include "opacityhelper.h"
+
+#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;");
+}
+
+// doesn't take or manage its ownership
+void NavigatorView::setMainView(GraphicsView *mainView)
+{
+    m_mainView = mainView;
+}
+
+void NavigatorView::setOpacity(qreal opacity, bool animated)
+{
+    m_opacityHelper->setOpacity(opacity, animated);
+}
+
+void NavigatorView::updateMainViewportRegion()
+{
+    // 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::mousePressEvent(QMouseEvent *event)
+{
+    m_mouseDown = true;
+
+    if (m_mainView) {
+        m_mainView->centerOn(mapToScene(event->pos()));
+        update();
+    }
+
+    event->accept();
+}
+
+void NavigatorView::mouseMoveEvent(QMouseEvent *event)
+{
+    if (m_mouseDown && m_mainView) {
+        m_mainView->centerOn(mapToScene(event->pos()));
+        update();
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+
+void NavigatorView::mouseReleaseEvent(QMouseEvent *event)
+{
+    m_mouseDown = false;
+
+    event->accept();
+}
+
+void NavigatorView::wheelEvent(QWheelEvent *event)
+{
+    event->ignore();
+    return QGraphicsView::wheelEvent(event);
+}
+
+void NavigatorView::paintEvent(QPaintEvent *event)
+{
+    QGraphicsView::paintEvent(event);
+
+    QPainter painter(viewport());
+    painter.setPen(QPen(Qt::gray, 2));
+    painter.drawRect(m_viewportRegion.boundingRect());
+}
--- a/app/navigatorview.h
+++ b/app/navigatorview.h
@ -1,38 +1,38 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef NAVIGATORVIEW_H
-#define NAVIGATORVIEW_H
-
-#include <QGraphicsView>
-
-class OpacityHelper;
-class GraphicsView;
-class NavigatorView : public QGraphicsView
-{
-    Q_OBJECT
-public:
-    NavigatorView(QWidget *parent = nullptr);
-
-    void setMainView(GraphicsView *mainView);
-    void setOpacity(qreal opacity, bool animated = true);
-
-public slots:
-    void updateMainViewportRegion();
-
-private:
-    void mousePressEvent(QMouseEvent * event) override;
-    void mouseMoveEvent(QMouseEvent * event) override;
-    void mouseReleaseEvent(QMouseEvent * event) override;
-
-    void wheelEvent(QWheelEvent *event) override;
-    void paintEvent(QPaintEvent *event) override;
-
-    bool m_mouseDown = false;
-    QPolygon m_viewportRegion;
-    QGraphicsView *m_mainView = nullptr;
-    OpacityHelper *m_opacityHelper = nullptr;
-};
-
-#endif // NAVIGATORVIEW_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef NAVIGATORVIEW_H
+#define NAVIGATORVIEW_H
+
+#include <QGraphicsView>
+
+class OpacityHelper;
+class GraphicsView;
+class NavigatorView : public QGraphicsView
+{
+    Q_OBJECT
+public:
+    NavigatorView(QWidget *parent = nullptr);
+
+    void setMainView(GraphicsView *mainView);
+    void setOpacity(qreal opacity, bool animated = true);
+
+public slots:
+    void updateMainViewportRegion();
+
+private:
+    void mousePressEvent(QMouseEvent * event) override;
+    void mouseMoveEvent(QMouseEvent * event) override;
+    void mouseReleaseEvent(QMouseEvent * event) override;
+
+    void wheelEvent(QWheelEvent *event) override;
+    void paintEvent(QPaintEvent *event) override;
+
+    bool m_mouseDown = false;
+    QPolygon m_viewportRegion;
+    QGraphicsView *m_mainView = nullptr;
+    OpacityHelper *m_opacityHelper = nullptr;
+};
+
+#endif // NAVIGATORVIEW_H
--- a/app/opacityhelper.cpp
+++ b/app/opacityhelper.cpp
@ -1,31 +1,31 @@
-// 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();
-}
+// 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();
+}
--- a/app/opacityhelper.h
+++ b/app/opacityhelper.h
@ -1,27 +1,27 @@
-// 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
+// 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
--- a/app/playlistmanager.cpp
+++ b/app/playlistmanager.cpp
@ -1,253 +1,283 @@
-// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
-//
-// SPDX-License-Identifier: MIT
-
-#include "playlistmanager.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)
-{
-    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()
-{
-
-}
-
-PlaylistModel *PlaylistManager::model()
-{
-    return &m_model;
-}
-
-void PlaylistManager::setPlaylist(const QList<QUrl> &urls)
-{
-    m_model.setPlaylist(urls);
-}
-
-QModelIndex PlaylistManager::loadPlaylist(const QList<QUrl> &urls)
-{
-    QModelIndex idx = m_model.loadPlaylist(urls);
-    setProperty("currentIndex", idx.row());
-    return idx;
-}
-
-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());
-    }
-}
-
-QUrl PlaylistManager::urlByIndex(const QModelIndex &index)
-{
-    return m_model.urlByIndex(index.row());
-}
-
-QString PlaylistManager::localFileByIndex(const QModelIndex &index)
-{
-    return urlByIndex(index).toLocalFile();
-}
-
-bool PlaylistManager::removeAt(const QModelIndex &index)
-{
-    return m_model.removeAt(index.row());
-}
-
-void PlaylistManager::setAutoLoadFilterSuffixes(const QStringList &nameFilters)
-{
-    m_model.setProperty("autoLoadFilterSuffixes", nameFilters);
-}
-
-QList<QUrl> PlaylistManager::convertToUrlList(const QStringList &files)
-{
-    QList<QUrl> urlList;
-    for (const QString & str : std::as_const(files)) {
-        QUrl url = QUrl::fromLocalFile(str);
-        if (url.isValid()) {
-            urlList.append(url);
-        }
-    }
-
-    return urlList;
-}
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+//
+// SPDX-License-Identifier: MIT
+
+#include "playlistmanager.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)
+{
+    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()
+{
+
+}
+
+PlaylistModel *PlaylistManager::model()
+{
+    return &m_model;
+}
+
+void PlaylistManager::setPlaylist(const QList<QUrl> &urls)
+{
+    m_model.setPlaylist(urls);
+}
+
+QModelIndex PlaylistManager::loadPlaylist(const QList<QUrl> &urls)
+{
+    QModelIndex idx = m_model.loadPlaylist(urls);
+    setProperty("currentIndex", idx.row());
+    return idx;
+}
+
+QModelIndex PlaylistManager::loadPlaylist(const QUrl &url)
+{
+    QModelIndex idx = m_model.loadPlaylist(url);
+    setProperty("currentIndex", idx.row());
+    return idx;
+}
+
+QModelIndex PlaylistManager::loadM3U8Playlist(const QUrl &url)
+{
+    QFile file(url.toLocalFile());
+    if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        QList<QUrl> urls;
+        while (!file.atEnd()) {
+            QString line = file.readLine();
+            if (line.startsWith('#')) {
+                continue;
+            }
+            QFileInfo fileInfo(file);
+            QUrl item = QUrl::fromUserInput(line, fileInfo.absolutePath());
+            urls.append(item);
+        }
+        return loadPlaylist(urls);
+    } else {
+        return {};
+    }
+}
+
+int PlaylistManager::totalCount() const
+{
+    return m_model.rowCount();
+}
+
+QModelIndex PlaylistManager::previousIndex() const
+{
+    int count = totalCount();
+    if (count == 0) return {};
+
+    return m_model.index(isFirstIndex() ? count - 1 : m_currentIndex - 1);
+}
+
+QModelIndex PlaylistManager::nextIndex() const
+{
+    int count = totalCount();
+    if (count == 0) return {};
+
+    return m_model.index(isLastIndex() ? 0 : m_currentIndex + 1);
+}
+
+QModelIndex PlaylistManager::curIndex() const
+{
+    return m_model.index(m_currentIndex);
+}
+
+bool PlaylistManager::isFirstIndex() const
+{
+    return m_currentIndex == 0;
+}
+
+bool PlaylistManager::isLastIndex() const
+{
+    return m_currentIndex + 1 == totalCount();
+}
+
+void PlaylistManager::setCurrentIndex(const QModelIndex &index)
+{
+    if (index.isValid() && index.row() >= 0 && index.row() < totalCount()) {
+        setProperty("currentIndex", index.row());
+    }
+}
+
+QUrl PlaylistManager::urlByIndex(const QModelIndex &index)
+{
+    return m_model.urlByIndex(index.row());
+}
+
+QString PlaylistManager::localFileByIndex(const QModelIndex &index)
+{
+    return urlByIndex(index).toLocalFile();
+}
+
+bool PlaylistManager::removeAt(const QModelIndex &index)
+{
+    return m_model.removeAt(index.row());
+}
+
+void PlaylistManager::setAutoLoadFilterSuffixes(const QStringList &nameFilters)
+{
+    m_model.setProperty("autoLoadFilterSuffixes", nameFilters);
+}
+
+QList<QUrl> PlaylistManager::convertToUrlList(const QStringList &files)
+{
+    QList<QUrl> urlList;
+    for (const QString & str : std::as_const(files)) {
+        QUrl url = QUrl::fromLocalFile(str);
+        if (url.isValid()) {
+            urlList.append(url);
+        }
+    }
+
+    return urlList;
+}
--- a/app/playlistmanager.h
+++ b/app/playlistmanager.h
@ -1,85 +1,88 @@
-// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
-//
-// SPDX-License-Identifier: MIT
-
-#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;
-};
-
-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);
-    ~PlaylistManager();
-
-    PlaylistModel * model();
-
-    void setPlaylist(const QList<QUrl> & url);
-    Q_INVOKABLE QModelIndex loadPlaylist(const QList<QUrl> & urls);
-    Q_INVOKABLE QModelIndex loadPlaylist(const QUrl & url);
-
-    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);
-
-    void setAutoLoadFilterSuffixes(const QStringList &nameFilters);
-
-    static QList<QUrl> convertToUrlList(const QStringList & files);
-
-signals:
-    void currentIndexChanged(int index);
-    void totalCountChanged(int count);
-
-private:
-    int m_currentIndex = -1;
-    PlaylistModel m_model;
-};
+// SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+//
+// SPDX-License-Identifier: MIT
+
+#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;
+};
+
+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);
+    ~PlaylistManager();
+
+    PlaylistModel * model();
+
+    void setPlaylist(const QList<QUrl> & url);
+    Q_INVOKABLE QModelIndex loadPlaylist(const QList<QUrl> & urls);
+    Q_INVOKABLE QModelIndex loadPlaylist(const QUrl & url);
+    Q_INVOKABLE QModelIndex loadM3U8Playlist(const QUrl & url);
+
+    int totalCount() const;
+    QModelIndex previousIndex() const;
+    QModelIndex nextIndex() const;
+    QModelIndex curIndex() const;
+    bool isFirstIndex() const;
+    bool isLastIndex() const;
+    void setCurrentIndex(const QModelIndex & index);
+    QUrl urlByIndex(const QModelIndex & index);
+    QString localFileByIndex(const QModelIndex & index);
+    bool removeAt(const QModelIndex & index);
+
+    void setAutoLoadFilterSuffixes(const QStringList &nameFilters);
+
+    static QList<QUrl> convertToUrlList(const QStringList & files);
+
+signals:
+    void currentIndexChanged(int index);
+    void totalCountChanged(int count);
+
+private:
+    int m_currentIndex = -1;
+    PlaylistModel m_model;
+};
--- a/app/settings.cpp
+++ b/app/settings.cpp
@ -1,204 +1,237 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "settings.h"
-
-#include <QApplication>
-#include <QStandardPaths>
-#include <QDebug>
-#include <QDir>
-#include <QAction>
-#include <QWidget>
-#include <QKeySequence>
-#include <QMetaEnum>
-
-namespace QEnumHelper
-{
-    template <typename E>
-    E fromString(const QString &text, const E defaultValue)
-    {
-        bool ok;
-        E result = static_cast<E>(QMetaEnum::fromType<E>().keyToValue(text.toUtf8(), &ok));
-        if (!ok) {
-            return defaultValue;
-        }
-        return result;
-    }
-
-    template <typename E>
-    QString toString(E value)
-    {
-        const int intValue = static_cast<int>(value);
-        return QString::fromUtf8(QMetaEnum::fromType<E>().valueToKey(intValue));
-    }
-}
-
-Settings *Settings::m_settings_instance = nullptr;
-
-Settings *Settings::instance()
-{
-    if (!m_settings_instance) {
-        m_settings_instance = new Settings;
-    }
-
-    return m_settings_instance;
-}
-
-bool Settings::stayOnTop()
-{
-    return m_qsettings->value("stay_on_top", true).toBool();
-}
-
-bool Settings::useLightCheckerboard()
-{
-    return m_qsettings->value("use_light_checkerboard", false).toBool();
-}
-
-Settings::DoubleClickBehavior Settings::doubleClickBehavior() const
-{
-    QString result = m_qsettings->value("double_click_behavior", "Close").toString();
-
-    return QEnumHelper::fromString<DoubleClickBehavior>(result, DoubleClickBehavior::Close);
-}
-
-Settings::MouseWheelBehavior Settings::mouseWheelBehavior() const
-{
-    QString result = m_qsettings->value("mouse_wheel_behavior", "Zoom").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);
-}
-
-Qt::HighDpiScaleFactorRoundingPolicy Settings::hiDpiScaleFactorBehavior() const
-{
-    QString result = m_qsettings->value("hidpi_scale_factor_behavior", "PassThrough").toString();
-
-    return QEnumHelper::fromString<Qt::HighDpiScaleFactorRoundingPolicy>(result, Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
-}
-
-void Settings::setStayOnTop(bool on)
-{
-    m_qsettings->setValue("stay_on_top", on);
-    m_qsettings->sync();
-}
-
-void Settings::setUseLightCheckerboard(bool light)
-{
-    m_qsettings->setValue("use_light_checkerboard", light);
-    m_qsettings->sync();
-}
-
-void Settings::setDoubleClickBehavior(DoubleClickBehavior dcb)
-{
-    m_qsettings->setValue("double_click_behavior", QEnumHelper::toString(dcb));
-    m_qsettings->sync();
-}
-
-void Settings::setMouseWheelBehavior(MouseWheelBehavior mwb)
-{
-    m_qsettings->setValue("mouse_wheel_behavior", QEnumHelper::toString(mwb));
-    m_qsettings->sync();
-}
-
-void Settings::setInitWindowSizeBehavior(WindowSizeBehavior wsb)
-{
-    m_qsettings->setValue("init_window_size_behavior", QEnumHelper::toString(wsb));
-    m_qsettings->sync();
-}
-
-void Settings::setHiDpiScaleFactorBehavior(Qt::HighDpiScaleFactorRoundingPolicy hidpi)
-{
-    m_qsettings->setValue("hidpi_scale_factor_behavior", QEnumHelper::toString(hidpi));
-    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...
-// 1. rely on a QApplication object instance
-//    but we need to call QGuiApplication::setHighDpiScaleFactorRoundingPolicy() before QApplication get created
-// 2. arg0 is NOT garanteed to be the path of execution
-//    see also: https://stackoverflow.com/questions/383973/is-args0-guaranteed-to-be-the-path-of-execution
-// This function is here mainly for #1.
-QString getApplicationDirPath()
-{
-    WCHAR buffer[MAX_PATH];
-    GetModuleFileNameW(NULL, buffer, MAX_PATH);
-    QString appPath = QString::fromWCharArray(buffer);
-
-    return appPath.left(appPath.lastIndexOf('\\'));
-}
-#endif // defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
-
-Settings::Settings()
-    : QObject(qApp)
-{
-    QString configPath;
-
-#if defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
-    QString portableConfigDirPath = QDir(getApplicationDirPath()).absoluteFilePath("data");
-    QFileInfo portableConfigDirInfo(portableConfigDirPath);
-    if (portableConfigDirInfo.exists() && portableConfigDirInfo.isDir() && portableConfigDirInfo.isWritable()) {
-        // we can use it.
-        configPath = portableConfigDirPath;
-    }
-#endif // defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
-
-    if (configPath.isEmpty()) {
-        // Should be %LOCALAPPDATA%\<APPNAME> under Windows, ~/.config/<APPNAME> under Linux.
-        configPath = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
-    }
-
-    m_qsettings = new QSettings(QDir(configPath).absoluteFilePath("config.ini"), QSettings::IniFormat, this);
-
-    qRegisterMetaType<QList<QKeySequence>>();
-}
-
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "settings.h"
+
+#include <QApplication>
+#include <QStandardPaths>
+#include <QDebug>
+#include <QDir>
+#include <QAction>
+#include <QWidget>
+#include <QKeySequence>
+#include <QMetaEnum>
+
+namespace QEnumHelper
+{
+    template <typename E>
+    E fromString(const QString &text, const E defaultValue)
+    {
+        bool ok;
+        E result = static_cast<E>(QMetaEnum::fromType<E>().keyToValue(text.toUtf8(), &ok));
+        if (!ok) {
+            return defaultValue;
+        }
+        return result;
+    }
+
+    template <typename E>
+    QString toString(E value)
+    {
+        const int intValue = static_cast<int>(value);
+        return QString::fromUtf8(QMetaEnum::fromType<E>().valueToKey(intValue));
+    }
+}
+
+Settings *Settings::m_settings_instance = nullptr;
+
+Settings *Settings::instance()
+{
+    if (!m_settings_instance) {
+        m_settings_instance = new Settings;
+    }
+
+    return m_settings_instance;
+}
+
+bool Settings::stayOnTop() const
+{
+    return m_qsettings->value("stay_on_top", true).toBool();
+}
+
+bool Settings::useBuiltInCloseAnimation() const
+{
+    return m_qsettings->value("use_built_in_close_animation", true).toBool();
+}
+
+bool Settings::useLightCheckerboard() const
+{
+    return m_qsettings->value("use_light_checkerboard", false).toBool();
+}
+
+bool Settings::loopGallery() const
+{
+    return m_qsettings->value("loop_gallery", true).toBool();
+}
+
+bool Settings::autoLongImageMode() const
+{
+    return m_qsettings->value("auto_long_image_mode", true).toBool();
+}
+
+Settings::DoubleClickBehavior Settings::doubleClickBehavior() const
+{
+    QString result = m_qsettings->value("double_click_behavior", "Close").toString();
+
+    return QEnumHelper::fromString<DoubleClickBehavior>(result, DoubleClickBehavior::Close);
+}
+
+Settings::MouseWheelBehavior Settings::mouseWheelBehavior() const
+{
+    QString result = m_qsettings->value("mouse_wheel_behavior", "Zoom").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);
+}
+
+Qt::HighDpiScaleFactorRoundingPolicy Settings::hiDpiScaleFactorBehavior() const
+{
+    QString result = m_qsettings->value("hidpi_scale_factor_behavior", "PassThrough").toString();
+
+    return QEnumHelper::fromString<Qt::HighDpiScaleFactorRoundingPolicy>(result, Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+}
+
+void Settings::setStayOnTop(bool on)
+{
+    m_qsettings->setValue("stay_on_top", on);
+    m_qsettings->sync();
+}
+
+void Settings::setUseBuiltInCloseAnimation(bool on)
+{
+    m_qsettings->setValue("use_built_in_close_animation", on);
+    m_qsettings->sync();
+}
+
+void Settings::setUseLightCheckerboard(bool light)
+{
+    m_qsettings->setValue("use_light_checkerboard", light);
+    m_qsettings->sync();
+}
+
+void Settings::setLoopGallery(bool on)
+{
+    m_qsettings->setValue("loop_gallery", on);
+    m_qsettings->sync();
+}
+
+void Settings::setAutoLongImageMode(bool on)
+{
+    m_qsettings->setValue("auto_long_image_mode", on);
+    m_qsettings->sync();
+}
+
+void Settings::setDoubleClickBehavior(DoubleClickBehavior dcb)
+{
+    m_qsettings->setValue("double_click_behavior", QEnumHelper::toString(dcb));
+    m_qsettings->sync();
+}
+
+void Settings::setMouseWheelBehavior(MouseWheelBehavior mwb)
+{
+    m_qsettings->setValue("mouse_wheel_behavior", QEnumHelper::toString(mwb));
+    m_qsettings->sync();
+}
+
+void Settings::setInitWindowSizeBehavior(WindowSizeBehavior wsb)
+{
+    m_qsettings->setValue("init_window_size_behavior", QEnumHelper::toString(wsb));
+    m_qsettings->sync();
+}
+
+void Settings::setHiDpiScaleFactorBehavior(Qt::HighDpiScaleFactorRoundingPolicy hidpi)
+{
+    m_qsettings->setValue("hidpi_scale_factor_behavior", QEnumHelper::toString(hidpi));
+    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...
+// 1. rely on a QApplication object instance
+//    but we need to call QGuiApplication::setHighDpiScaleFactorRoundingPolicy() before QApplication get created
+// 2. arg0 is NOT garanteed to be the path of execution
+//    see also: https://stackoverflow.com/questions/383973/is-args0-guaranteed-to-be-the-path-of-execution
+// This function is here mainly for #1.
+QString getApplicationDirPath()
+{
+    WCHAR buffer[MAX_PATH];
+    GetModuleFileNameW(NULL, buffer, MAX_PATH);
+    QString appPath = QString::fromWCharArray(buffer);
+
+    return appPath.left(appPath.lastIndexOf('\\'));
+}
+#endif // defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
+
+Settings::Settings()
+    : QObject(qApp)
+{
+    QString configPath;
+
+#if defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
+    QString portableConfigDirPath = QDir(getApplicationDirPath()).absoluteFilePath("data");
+    QFileInfo portableConfigDirInfo(portableConfigDirPath);
+    if (portableConfigDirInfo.exists() && portableConfigDirInfo.isDir() && portableConfigDirInfo.isWritable()) {
+        // we can use it.
+        configPath = portableConfigDirPath;
+    }
+#endif // defined(FLAG_PORTABLE_MODE_SUPPORT) && defined(Q_OS_WIN)
+
+    if (configPath.isEmpty()) {
+        // Should be %LOCALAPPDATA%\<APPNAME> under Windows, ~/.config/<APPNAME> under Linux.
+        configPath = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
+    }
+
+    m_qsettings = new QSettings(QDir(configPath).absoluteFilePath("config.ini"), QSettings::IniFormat, this);
+
+    qRegisterMetaType<QList<QKeySequence>>();
+}
+
--- a/app/settings.h
+++ b/app/settings.h
@ -1,65 +1,71 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#pragma once
-
-#include <QObject>
-#include <QSettings>
-
-class Settings : public QObject
-{
-    Q_OBJECT
-public:
-    enum DoubleClickBehavior {
-        Ignore,
-        Close,
-        Maximize,
-        FullScreen,
-    };
-    Q_ENUM(DoubleClickBehavior)
-
-    enum MouseWheelBehavior {
-        Zoom,
-        Switch,
-    };
-    Q_ENUM(MouseWheelBehavior)
-
-    enum WindowSizeBehavior {
-        Auto,
-        Maximized,
-        Windowed,
-    };
-    Q_ENUM(WindowSizeBehavior)
-
-    static Settings *instance();
-
-    bool stayOnTop();
-    bool useLightCheckerboard();
-    DoubleClickBehavior doubleClickBehavior() const;
-    MouseWheelBehavior mouseWheelBehavior() const;
-    WindowSizeBehavior initWindowSizeBehavior() const;
-    Qt::HighDpiScaleFactorRoundingPolicy hiDpiScaleFactorBehavior() const;
-
-    void setStayOnTop(bool on);
-    void setUseLightCheckerboard(bool light);
-    void setDoubleClickBehavior(DoubleClickBehavior dcb);
-    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;
-
-    QSettings *m_qsettings;
-
-signals:
-
-public slots:
-};
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include <QObject>
+#include <QSettings>
+
+class Settings : public QObject
+{
+    Q_OBJECT
+public:
+    enum DoubleClickBehavior {
+        Ignore,
+        Close,
+        Maximize,
+        FullScreen,
+    };
+    Q_ENUM(DoubleClickBehavior)
+
+    enum MouseWheelBehavior {
+        Zoom,
+        Switch,
+    };
+    Q_ENUM(MouseWheelBehavior)
+
+    enum WindowSizeBehavior {
+        Auto,
+        Maximized,
+        Windowed,
+    };
+    Q_ENUM(WindowSizeBehavior)
+
+    static Settings *instance();
+
+    bool stayOnTop() const;
+    bool useBuiltInCloseAnimation() const;
+    bool useLightCheckerboard() const;
+    bool loopGallery() const;
+    bool autoLongImageMode() const;
+    DoubleClickBehavior doubleClickBehavior() const;
+    MouseWheelBehavior mouseWheelBehavior() const;
+    WindowSizeBehavior initWindowSizeBehavior() const;
+    Qt::HighDpiScaleFactorRoundingPolicy hiDpiScaleFactorBehavior() const;
+
+    void setStayOnTop(bool on);
+    void setUseBuiltInCloseAnimation(bool on);
+    void setUseLightCheckerboard(bool light);
+    void setLoopGallery(bool on);
+    void setAutoLongImageMode(bool on);
+    void setDoubleClickBehavior(DoubleClickBehavior dcb);
+    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;
+
+    QSettings *m_qsettings;
+
+signals:
+
+public slots:
+};
--- a/app/settingsdialog.cpp
+++ b/app/settingsdialog.cpp
@ -1,178 +1,207 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#include "settingsdialog.h"
-
-#include "settings.h"
-#include "shortcutedit.h"
-
-#include <QAction>
-#include <QCheckBox>
-#include <QComboBox>
-#include <QFormLayout>
-#include <QKeySequenceEdit>
-#include <QScrollArea>
-#include <QSplitter>
-#include <QStringListModel>
-#include <QMessageBox>
-
-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)
-{
-    this->setWindowTitle(tr("Settings"));
-
-    QHBoxLayout * mainLayout = new QHBoxLayout(this);
-    QTabWidget * settingsTabs = new QTabWidget(this);
-    mainLayout->addWidget(settingsTabs);
-
-    QWidget * settingsFormHolder = new QWidget;
-    QFormLayout * settingsForm = new QFormLayout(settingsFormHolder);
-    settingsTabs->addTab(settingsFormHolder, tr("Options"));
-
-    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(m_useLightCheckerboard, &QCheckBox::stateChanged, this, [ = ](int 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(m_mouseWheelBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setMouseWheelBehavior(_mw_options.at(index).first);
-    });
-
-    connect(m_initWindowSizeBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setInitWindowSizeBehavior(_iws_options.at(index).first);
-    });
-
-    connect(m_hiDpiRoundingPolicyBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
-        Settings::instance()->setHiDpiScaleFactorBehavior(_hidpi_options.at(index).first);
-    });
-
-    adjustSize();
-    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
-}
-
-SettingsDialog::~SettingsDialog()
-{
-
-}
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#include "settingsdialog.h"
+
+#include "settings.h"
+#include "shortcutedit.h"
+
+#include <QAction>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QFormLayout>
+#include <QKeySequenceEdit>
+#include <QScrollArea>
+#include <QSplitter>
+#include <QStringListModel>
+#include <QMessageBox>
+
+SettingsDialog::SettingsDialog(QWidget *parent)
+    : QDialog(parent)
+    , m_stayOnTop(new QCheckBox)
+    , m_useBuiltInCloseAnimation(new QCheckBox)
+    , m_useLightCheckerboard(new QCheckBox)
+    , m_loopGallery(new QCheckBox)
+    , m_autoLongImageMode(new QCheckBox)
+    , m_doubleClickBehavior(new QComboBox)
+    , m_mouseWheelBehavior(new QComboBox)
+    , m_initWindowSizeBehavior(new QComboBox)
+    , m_hiDpiRoundingPolicyBehavior(new QComboBox)
+{
+    this->setWindowTitle(tr("Settings"));
+
+    QHBoxLayout * mainLayout = new QHBoxLayout(this);
+    QTabWidget * settingsTabs = new QTabWidget(this);
+    mainLayout->addWidget(settingsTabs);
+
+    QWidget * settingsFormHolder = new QWidget;
+    QFormLayout * settingsForm = new QFormLayout(settingsFormHolder);
+    settingsTabs->addTab(settingsFormHolder, tr("Options"));
+
+    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 built-in close window animation"), m_useBuiltInCloseAnimation);
+    settingsForm->addRow(tr("Use light-color checkerboard"), m_useLightCheckerboard);
+    settingsForm->addRow(tr("Loop the loaded gallery"), m_loopGallery);
+    settingsForm->addRow(tr("Auto long image mode"), m_autoLongImageMode);
+    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_useBuiltInCloseAnimation->setChecked(Settings::instance()->useBuiltInCloseAnimation());
+    m_useLightCheckerboard->setChecked(Settings::instance()->useLightCheckerboard());
+    m_loopGallery->setChecked(Settings::instance()->loopGallery());
+    m_autoLongImageMode->setChecked(Settings::instance()->autoLongImageMode());
+    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;
+        }
+    }
+
+#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)
+
+    connect(m_stayOnTop, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setStayOnTop(state == Qt::Checked);
+    });
+
+    connect(m_useBuiltInCloseAnimation, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setUseBuiltInCloseAnimation(state == Qt::Checked);
+    });
+
+    connect(m_useLightCheckerboard, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setUseLightCheckerboard(state == Qt::Checked);
+    });
+
+    connect(m_loopGallery, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setLoopGallery(state == Qt::Checked);
+    });
+
+    connect(m_autoLongImageMode, &QCHECKBOX_CHECKSTATECHANGED, this, [ = ](QT_CHECKSTATE state){
+        Settings::instance()->setAutoLongImageMode(state == Qt::Checked);
+    });
+
+    connect(m_doubleClickBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setDoubleClickBehavior(_dc_options.at(index).first);
+    });
+
+    connect(m_mouseWheelBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setMouseWheelBehavior(_mw_options.at(index).first);
+    });
+
+    connect(m_initWindowSizeBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setInitWindowSizeBehavior(_iws_options.at(index).first);
+    });
+
+    connect(m_hiDpiRoundingPolicyBehavior, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [ = ](int index){
+        Settings::instance()->setHiDpiScaleFactorBehavior(_hidpi_options.at(index).first);
+    });
+
+    adjustSize();
+    setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+}
+
+SettingsDialog::~SettingsDialog()
+{
+
+}
--- a/app/settingsdialog.h
+++ b/app/settingsdialog.h
@ -1,33 +1,36 @@
-// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
-//
-// SPDX-License-Identifier: MIT
-
-#ifndef SETTINGSDIALOG_H
-#define SETTINGSDIALOG_H
-
-#include <QObject>
-#include <QDialog>
-
-class QCheckBox;
-class QComboBox;
-class SettingsDialog : public QDialog
-{
-    Q_OBJECT
-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;
-};
-
-#endif // SETTINGSDIALOG_H
+// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+
+#ifndef SETTINGSDIALOG_H
+#define SETTINGSDIALOG_H
+
+#include <QObject>
+#include <QDialog>
+
+class QCheckBox;
+class QComboBox;
+class SettingsDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit SettingsDialog(QWidget *parent = nullptr);
+    ~SettingsDialog();
+
+signals:
+
+public slots:
+
+private:
+    QCheckBox * m_stayOnTop = nullptr;
+    QCheckBox * m_useBuiltInCloseAnimation = nullptr;
+    QCheckBox * m_useLightCheckerboard = nullptr;
+    QCheckBox * m_loopGallery = nullptr;
+    QCheckBox * m_autoLongImageMode = nullptr;
+    QComboBox * m_doubleClickBehavior = nullptr;
+    QComboBox * m_mouseWheelBehavior = nullptr;
+    QComboBox * m_initWindowSizeBehavior = nullptr;
+    QComboBox * m_hiDpiRoundingPolicyBehavior = nullptr;
+};
+
+#endif // SETTINGSDIALOG_H
--- a/app/shortcutedit.cpp
+++ b/app/shortcutedit.cpp
@ -40,11 +40,6 @@ ShortcutEditor::ShortcutEditor(ShortcutEdit * shortcutEdit, QWidget * parent)
    reloadShortcuts();
 }

-ShortcutEditor::~ShortcutEditor()
-{
-
-}
-
 void ShortcutEditor::setDescription(const QString &desc)
 {
    m_descriptionLabel->setText(desc);
@ -63,9 +58,7 @@ void ShortcutEditor::reloadShortcuts()
    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)
--- a/app/shortcutedit.h
+++ b/app/shortcutedit.h
@ -18,7 +18,7 @@ class ShortcutEditor : public QWidget
    Q_OBJECT
 public:
    explicit ShortcutEditor(ShortcutEdit * shortcutEdit, QWidget * parent = nullptr);
-    ~ShortcutEditor();
+    ~ShortcutEditor() = default;

    void setDescription(const QString & desc);

--- a/app/toolbutton.cpp
+++ b/app/toolbutton.cpp
@ -1,38 +1,38 @@
-// 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);
-}
+// 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);
+}
--- a/app/toolbutton.h
+++ b/app/toolbutton.h
@ -1,25 +1,25 @@
-// 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
+// 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
--- a/app/translations/PineapplePictures_ca.ts
+++ b/app/translations/PineapplePictures_ca.ts
--- a/app/translations/PineapplePictures_de.ts
+++ b/app/translations/PineapplePictures_de.ts
--- a/app/translations/PineapplePictures_en.ts
+++ b/app/translations/PineapplePictures_en.ts
--- a/app/translations/PineapplePictures_es.ts
+++ b/app/translations/PineapplePictures_es.ts
--- a/app/translations/PineapplePictures_fr.ts
+++ b/app/translations/PineapplePictures_fr.ts
--- a/app/translations/PineapplePictures_id.ts
+++ b/app/translations/PineapplePictures_id.ts
--- a/app/translations/PineapplePictures_it.ts
+++ b/app/translations/PineapplePictures_it.ts
--- a/app/translations/PineapplePictures_ja.ts
+++ b/app/translations/PineapplePictures_ja.ts
--- a/app/translations/PineapplePictures_ko.ts
+++ b/app/translations/PineapplePictures_ko.ts
--- a/app/translations/PineapplePictures_nb_NO.ts
+++ b/app/translations/PineapplePictures_nb_NO.ts
--- a/app/translations/PineapplePictures_nl.ts
+++ b/app/translations/PineapplePictures_nl.ts
--- a/app/translations/PineapplePictures_pa_PK.ts
+++ b/app/translations/PineapplePictures_pa_PK.ts
--- a/app/translations/PineapplePictures_ru.ts
+++ b/app/translations/PineapplePictures_ru.ts
--- a/app/translations/PineapplePictures_si.ts
+++ b/app/translations/PineapplePictures_si.ts
--- a/app/translations/PineapplePictures_ta.ts
+++ b/app/translations/PineapplePictures_ta.ts
--- a/app/translations/PineapplePictures_tr.ts
+++ b/app/translations/PineapplePictures_tr.ts
--- a/app/translations/PineapplePictures_uk.ts
+++ b/app/translations/PineapplePictures_uk.ts
--- a/app/translations/PineapplePictures_zh_CN.ts
+++ b/app/translations/PineapplePictures_zh_CN.ts
--- a/appveyor.yml
+++ b/appveyor.yml
@ -12,18 +12,10 @@ environment:
      QTDIR: C:\Qt\6.8\mingw_64
      MINGW64: C:\Qt\Tools\mingw1310_64
      KF_BRANCH: master
-      EXIV2_VERSION: "0.28.3"
+      EXIV2_VERSION: "0.28.5"
      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%
@ -98,7 +90,7 @@ build_script:
  - 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 .. -G "Ninja" -DBUILD_TESTING=OFF -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%
--- a/dist/MacOSXBundleInfo.plist.in
+++ b/dist/MacOSXBundleInfo.plist.in
@ -1,136 +1,136 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-    <key>CFBundleDevelopmentRegion</key>
-    <string>English</string>
-    <key>CFBundleExecutable</key>
-    <string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
-    <key>CFBundleGetInfoString</key>
-    <string>${MACOSX_BUNDLE_INFO_STRING}</string>
-    <key>CFBundleIconFile</key>
-    <string>${MACOSX_BUNDLE_ICON_FILE}</string>
-    <key>CFBundleIdentifier</key>
-    <string>${MACOSX_BUNDLE_GUI_IDENTIFIER}</string>
-    <key>CFBundleInfoDictionaryVersion</key>
-    <string>6.0</string>
-    <key>CFBundleLongVersionString</key>
-    <string>${MACOSX_BUNDLE_LONG_VERSION_STRING}</string>
-    <key>CFBundleName</key>
-    <string>${MACOSX_BUNDLE_BUNDLE_NAME}</string>
-    <key>CFBundlePackageType</key>
-    <string>APPL</string>
-    <key>CFBundleShortVersionString</key>
-    <string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
-    <key>CFBundleSignature</key>
-    <string>????</string>
-    <key>CFBundleVersion</key>
-    <string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
-    <key>CSResourcesFileMapped</key>
-    <true/>
-    <key>NSHumanReadableCopyright</key>
-    <string>${MACOSX_BUNDLE_COPYRIGHT}</string>
-    <!-- FIXME: this list can't be automatically generated by Qt's CMake API, don't know why. -->
-    <key>CFBundleLocalizations</key>
-    <array>
-        <string>en</string>
-        <string>ca</string>
-        <string>de</string>
-        <string>es</string>
-        <string>fr</string>
-        <string>id</string>
-        <string>it</string>
-        <string>ja</string>
-        <string>ko</string>
-        <string>nb_NO</string>
-        <string>nl</string>
-        <string>pa_PK</string>
-        <string>ru</string>
-        <string>si</string>
-        <string>ta</string>
-        <string>tr</string>
-        <string>uk</string>
-        <string>zh_CN</string>
-    </array>
-    <key>CFBundleDocumentTypes</key>
-    <array>
-        <!-- JPEG -->
-        <dict>
-            <key>CFBundleTypeName</key>
-            <string>JPEG Image</string>
-            <key>CFBundleTypeExtensions</key>
-            <array>
-                <string>jpg</string>
-                <string>jpeg</string>
-                <string>jfif</string>
-            </array>
-            <key>CFBundleTypeMIMETypes</key>
-            <array>
-                <string>image/jpeg</string>
-            </array>
-            <key>CFBundleTypeRole</key>
-            <string>Viewer</string>
-        </dict>
-        <!-- PNG -->
-        <dict>
-            <key>CFBundleTypeName</key>
-            <string>PNG Image</string>
-            <key>CFBundleTypeExtensions</key>
-            <array>
-                <string>png</string>
-            </array>
-            <key>CFBundleTypeMIMETypes</key>
-            <array>
-                <string>image/png</string>
-            </array>
-            <key>CFBundleTypeRole</key>
-            <string>Viewer</string>
-        </dict>
-        <!-- WebP -->
-        <dict>
-            <key>CFBundleTypeName</key>
-            <string>WebP Image</string>
-            <key>CFBundleTypeExtensions</key>
-            <array>
-                <string>webp</string>
-            </array>
-            <key>CFBundleTypeMIMETypes</key>
-            <array>
-                <string>image/webp</string>
-            </array>
-            <key>CFBundleTypeRole</key>
-            <string>Viewer</string>
-        </dict>
-        <!-- GIF -->
-        <dict>
-            <key>CFBundleTypeName</key>
-            <string>GIF Image</string>
-            <key>CFBundleTypeExtensions</key>
-            <array>
-                <string>gif</string>
-            </array>
-            <key>CFBundleTypeMIMETypes</key>
-            <array>
-                <string>image/gif</string>
-            </array>
-            <key>CFBundleTypeRole</key>
-            <string>Viewer</string>
-        </dict>
-        <!-- SVG -->
-        <dict>
-            <key>CFBundleTypeName</key>
-            <string>SVG Image</string>
-            <key>CFBundleTypeExtensions</key>
-            <array>
-                <string>svg</string>
-            </array>
-            <key>CFBundleTypeMIMETypes</key>
-            <array>
-                <string>image/svg+xml</string>
-            </array>
-            <key>CFBundleTypeRole</key>
-            <string>Viewer</string>
-        </dict>
-    </array>
-</dict>
-</plist>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>English</string>
+    <key>CFBundleExecutable</key>
+    <string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
+    <key>CFBundleGetInfoString</key>
+    <string>${MACOSX_BUNDLE_INFO_STRING}</string>
+    <key>CFBundleIconFile</key>
+    <string>${MACOSX_BUNDLE_ICON_FILE}</string>
+    <key>CFBundleIdentifier</key>
+    <string>${MACOSX_BUNDLE_GUI_IDENTIFIER}</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleLongVersionString</key>
+    <string>${MACOSX_BUNDLE_LONG_VERSION_STRING}</string>
+    <key>CFBundleName</key>
+    <string>${MACOSX_BUNDLE_BUNDLE_NAME}</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleVersion</key>
+    <string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
+    <key>CSResourcesFileMapped</key>
+    <true/>
+    <key>NSHumanReadableCopyright</key>
+    <string>${MACOSX_BUNDLE_COPYRIGHT}</string>
+    <!-- FIXME: this list can't be automatically generated by Qt's CMake API, don't know why. -->
+    <key>CFBundleLocalizations</key>
+    <array>
+        <string>en</string>
+        <string>ca</string>
+        <string>de</string>
+        <string>es</string>
+        <string>fr</string>
+        <string>id</string>
+        <string>it</string>
+        <string>ja</string>
+        <string>ko</string>
+        <string>nb_NO</string>
+        <string>nl</string>
+        <string>pa_PK</string>
+        <string>ru</string>
+        <string>si</string>
+        <string>ta</string>
+        <string>tr</string>
+        <string>uk</string>
+        <string>zh_CN</string>
+    </array>
+    <key>CFBundleDocumentTypes</key>
+    <array>
+        <!-- JPEG -->
+        <dict>
+            <key>CFBundleTypeName</key>
+            <string>JPEG Image</string>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+                <string>jpg</string>
+                <string>jpeg</string>
+                <string>jfif</string>
+            </array>
+            <key>CFBundleTypeMIMETypes</key>
+            <array>
+                <string>image/jpeg</string>
+            </array>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+        </dict>
+        <!-- PNG -->
+        <dict>
+            <key>CFBundleTypeName</key>
+            <string>PNG Image</string>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+                <string>png</string>
+            </array>
+            <key>CFBundleTypeMIMETypes</key>
+            <array>
+                <string>image/png</string>
+            </array>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+        </dict>
+        <!-- WebP -->
+        <dict>
+            <key>CFBundleTypeName</key>
+            <string>WebP Image</string>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+                <string>webp</string>
+            </array>
+            <key>CFBundleTypeMIMETypes</key>
+            <array>
+                <string>image/webp</string>
+            </array>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+        </dict>
+        <!-- GIF -->
+        <dict>
+            <key>CFBundleTypeName</key>
+            <string>GIF Image</string>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+                <string>gif</string>
+            </array>
+            <key>CFBundleTypeMIMETypes</key>
+            <array>
+                <string>image/gif</string>
+            </array>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+        </dict>
+        <!-- SVG -->
+        <dict>
+            <key>CFBundleTypeName</key>
+            <string>SVG Image</string>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+                <string>svg</string>
+            </array>
+            <key>CFBundleTypeMIMETypes</key>
+            <array>
+                <string>image/svg+xml</string>
+            </array>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+        </dict>
+    </array>
+</dict>
+</plist>
--- a/dist/appstream/net.blumia.pineapple-pictures.metainfo.xml
+++ b/dist/appstream/net.blumia.pineapple-pictures.metainfo.xml
@ -80,16 +80,50 @@
    </screenshot>
  </screenshots>
  <releases>
+    <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 enforce windowed mode on start-up</li>
+          <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 bugs:</p>
+        <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>
          <li>Display correct text language on macOS</li>
        </ul>
        <p>This release includes the following changes:</p>
--- a/pineapple-pictures.pro
+++ b/pineapple-pictures.pro
@ -1,102 +1,101 @@
-# SPDX-FileCopyrightText: 2024 Gary Wang <git@blumia.net>
-#
-# SPDX-License-Identifier: MIT
-
-QT       += core widgets gui svg
-greaterThan(QT_MAJOR_VERSION, 5): QT += svgwidgets
-
-TARGET = ppic
-TEMPLATE = app
-DEFINES += PPIC_VERSION_STRING=\\\"x.y.z\\\"
-
-win32 {
-    DEFINES += FLAG_PORTABLE_MODE_SUPPORT=1
-}
-
-# The following define makes your compiler emit warnings if you use
-# any feature of Qt which has been marked as deprecated (the exact warnings
-# depend on your compiler). Please consult the documentation of the
-# deprecated API in order to know how to port your code away from it.
-DEFINES += QT_DEPRECATED_WARNINGS
-
-# You can also make your code fail to compile if you use deprecated APIs.
-# In order to do so, uncomment the following line.
-# You can also select to disable deprecated APIs only up to a certain version of Qt.
-#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
-
-CONFIG += c++17 lrelease embed_translations
-
-SOURCES += \
-    app/aboutdialog.cpp \
-    app/main.cpp \
-    app/framelesswindow.cpp \
-    app/mainwindow.cpp \
-    app/graphicsview.cpp \
-    app/bottombuttongroup.cpp \
-    app/graphicsscene.cpp \
-    app/navigatorview.cpp \
-    app/opacityhelper.cpp \
-    app/toolbutton.cpp \
-    app/settings.cpp \
-    app/settingsdialog.cpp \
-    app/metadatamodel.cpp \
-    app/metadatadialog.cpp \
-    app/exiv2wrapper.cpp \
-    app/actionmanager.cpp \
-    app/playlistmanager.cpp \
-    app/shortcutedit.cpp \
-    app/fileopeneventhandler.cpp
-
-HEADERS += \
-    app/aboutdialog.h \
-    app/framelesswindow.h \
-    app/mainwindow.h \
-    app/graphicsview.h \
-    app/bottombuttongroup.h \
-    app/graphicsscene.h \
-    app/navigatorview.h \
-    app/opacityhelper.h \
-    app/toolbutton.h \
-    app/settings.h \
-    app/settingsdialog.h \
-    app/metadatamodel.h \
-    app/metadatadialog.h \
-    app/exiv2wrapper.h \
-    app/actionmanager.h \
-    app/playlistmanager.h \
-    app/shortcutedit.h \
-    app/fileopeneventhandler.h
-
-TRANSLATIONS = \
-    app/translations/PineapplePictures_en.ts \
-    app/translations/PineapplePictures_zh_CN.ts \
-    app/translations/PineapplePictures_de.ts \
-    app/translations/PineapplePictures_es.ts \
-    app/translations/PineapplePictures_fr.ts \
-    app/translations/PineapplePictures_nb_NO.ts \
-    app/translations/PineapplePictures_nl.ts \
-    app/translations/PineapplePictures_ru.ts \
-    app/translations/PineapplePictures_si.ts \
-    app/translations/PineapplePictures_id.ts
-
-# Default rules for deployment.
-qnx: target.path = /tmp/$${TARGET}/bin
-else: unix:!android: target.path = /opt/$${TARGET}/bin
-!isEmpty(target.path): INSTALLS += target
-
-RESOURCES += \
-    assets/resources.qrc
-
-# Generate from svg:
-# magick convert -density 512x512 -background none app-icon.svg -define icon:auto-resize app-icon.ico
-RC_ICONS = assets/icons/app-icon.ico
-
-# Windows only, for rc file (we're not going to use the .rc file in this repo)
-QMAKE_TARGET_PRODUCT = Pineapple Pictures
-QMAKE_TARGET_DESCRIPTION = Pineapple Pictures - Image Viewer
-QMAKE_TARGET_COPYRIGHT = MIT/Expat License - Copyright (C) 2024 Gary Wang
-
-# MSVC only, since QMake doesn't have a CMAKE_CXX_STANDARD_LIBRARIES or cpp_winlibs similar thing
-win32-msvc* {
-    LIBS += -luser32
-}
+# SPDX-FileCopyrightText: 2025 Gary Wang <git@blumia.net>
+#
+# SPDX-License-Identifier: MIT
+
+QT       += core widgets gui svg svgwidgets
+
+TARGET = ppic
+TEMPLATE = app
+DEFINES += PPIC_VERSION_STRING=\\\"x.y.z\\\"
+
+win32 {
+    DEFINES += FLAG_PORTABLE_MODE_SUPPORT=1
+}
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+CONFIG += c++17 lrelease embed_translations
+
+SOURCES += \
+    app/aboutdialog.cpp \
+    app/main.cpp \
+    app/framelesswindow.cpp \
+    app/mainwindow.cpp \
+    app/graphicsview.cpp \
+    app/bottombuttongroup.cpp \
+    app/graphicsscene.cpp \
+    app/navigatorview.cpp \
+    app/opacityhelper.cpp \
+    app/toolbutton.cpp \
+    app/settings.cpp \
+    app/settingsdialog.cpp \
+    app/metadatamodel.cpp \
+    app/metadatadialog.cpp \
+    app/exiv2wrapper.cpp \
+    app/actionmanager.cpp \
+    app/playlistmanager.cpp \
+    app/shortcutedit.cpp \
+    app/fileopeneventhandler.cpp
+
+HEADERS += \
+    app/aboutdialog.h \
+    app/framelesswindow.h \
+    app/mainwindow.h \
+    app/graphicsview.h \
+    app/bottombuttongroup.h \
+    app/graphicsscene.h \
+    app/navigatorview.h \
+    app/opacityhelper.h \
+    app/toolbutton.h \
+    app/settings.h \
+    app/settingsdialog.h \
+    app/metadatamodel.h \
+    app/metadatadialog.h \
+    app/exiv2wrapper.h \
+    app/actionmanager.h \
+    app/playlistmanager.h \
+    app/shortcutedit.h \
+    app/fileopeneventhandler.h
+
+TRANSLATIONS = \
+    app/translations/PineapplePictures_en.ts \
+    app/translations/PineapplePictures_zh_CN.ts \
+    app/translations/PineapplePictures_de.ts \
+    app/translations/PineapplePictures_es.ts \
+    app/translations/PineapplePictures_fr.ts \
+    app/translations/PineapplePictures_nb_NO.ts \
+    app/translations/PineapplePictures_nl.ts \
+    app/translations/PineapplePictures_ru.ts \
+    app/translations/PineapplePictures_si.ts \
+    app/translations/PineapplePictures_id.ts
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    assets/resources.qrc
+
+# Generate from svg:
+# magick convert -density 512x512 -background none app-icon.svg -define icon:auto-resize app-icon.ico
+RC_ICONS = assets/icons/app-icon.ico
+
+# Windows only, for rc file (we're not going to use the .rc file in this repo)
+QMAKE_TARGET_PRODUCT = Pineapple Pictures
+QMAKE_TARGET_DESCRIPTION = Pineapple Pictures - Image Viewer
+QMAKE_TARGET_COPYRIGHT = MIT/Expat License - Copyright (C) 2024 Gary Wang
+
+# MSVC only, since QMake doesn't have a CMAKE_CXX_STANDARD_LIBRARIES or cpp_winlibs similar thing
+win32-msvc* {
+    LIBS += -luser32
+}
Author	SHA1	Message	Date
Gary Wang	73b15da182	chore: remove gitee release page link from README.zh_CN.md	2025-08-23 15:24:00 +08:00
Gary Wang	f4f7d93e38	chore: simplified long image mode code	2025-08-05 00:06:05 +08:00
Gary Wang	591b01a83a	i18n: update ts files	2025-08-04 21:56:58 +08:00
Gary Wang	f8d3dcc899	feat: auto long image mode	2025-08-04 20:41:49 +08:00
Gary Wang	f0ed9d0ca1	chore: update release info to 1.1.1	2025-08-02 13:30:14 +08:00
Weblate (bot)	13227cfac9	i18n: Translations update from Hosted Weblate (#157 ) * Translated using Weblate (Korean) Currently translated at 100.0% (166 of 166 strings) Translation: pineapple-pictures/Application Translate-URL: https://hosted.weblate.org/projects/pineapple-pictures/application/ko/ * Translated using Weblate (Dutch) Currently translated at 100.0% (166 of 166 strings) Translation: pineapple-pictures/Application Translate-URL: https://hosted.weblate.org/projects/pineapple-pictures/application/nl/ --------- Co-authored-by: VenusGirl <VenusGirl@outlook.com> Co-authored-by: Heimen Stoffels <vistausss@fastmail.com>	2025-08-01 23:44:43 +08:00
Gary Wang	b73df5ea1a	refactor: make fitByOrientation() more sane	2025-07-27 15:53:23 +08:00
Gary Wang	4375fe1c2d	chore: avoid use screenAt(QCursor::pos())	2025-07-26 16:03:13 +08:00
Gary Wang	4654cb21a0	fix: REUSE compliance	2025-07-23 21:29:18 +08:00
Gary Wang	ba23208a7a	chore: add config file for CRLF to LF change	2025-07-23 21:22:41 +08:00
Gary Wang	ed5a602332	chore: let's use LF all the time	2025-07-23 21:20:34 +08:00
Gary Wang	347681e604	feat(macOS): click dock icon to show window when it's hidden	2025-07-22 00:08:06 +08:00
Gary Wang	505ab9e2a6	chore: update README	2025-07-11 19:41:09 +08:00
Gary Wang	c787e14a69	chore(CI): bump exiv2 version for msvc build	2025-07-11 00:31:10 +08:00
Gary Wang	29c5783a66	chore: update release info to 1.1.0	2025-07-06 00:05:52 +08:00
Weblate (bot)	ddc75f7cd0	i18n: Translated using Weblate (Tamil) (#155 ) Currently translated at 100.0% (166 of 166 strings) Translation: pineapple-pictures/Application Translate-URL: https://hosted.weblate.org/projects/pineapple-pictures/application/ta/ Co-authored-by: தமிழ்நேரம் <anishprabu.t@gmail.com>	2025-07-05 23:19:32 +08:00
Gary Wang	f976fea418	fix: shouldn't loop when navigate gallery via shortcuts Related: https://github.com/BLumia/pineapple-pictures/issues/153	2025-06-29 16:24:26 +08:00
Gary Wang	2846e4907b	feat: support load m3u8 playlist This change is sponsored by @superuser7777 Related: https://github.com/BLumia/pineapple-pictures/issues/153	2025-06-28 09:27:30 +08:00
Gary Wang	c828f86b74	fix: FTBFS, and tidy code	2025-06-25 21:55:08 +08:00
Gary Wang	040e2a7b5f	i18n: update ts files	2025-06-25 21:47:31 +08:00
Gary Wang	b566096b1f	feat: option to disable gallery looping This change is sponsored by @superuser7777 Related: https://github.com/BLumia/pineapple-pictures/issues/153	2025-06-25 20:55:42 +08:00
Gary Wang	2bee79c064	i18n: update ts files	2025-06-22 15:14:08 +08:00
Weblate (bot)	91696963ae	i18n: Translations update from Hosted Weblate (#152 ) * Translated using Weblate (Dutch) Currently translated at 100.0% (164 of 164 strings) Translation: pineapple-pictures/Application Translate-URL: https://hosted.weblate.org/projects/pineapple-pictures/application/nl/ * Translated using Weblate (Italian) Currently translated at 100.0% (164 of 164 strings) Translation: pineapple-pictures/Application Translate-URL: https://hosted.weblate.org/projects/pineapple-pictures/application/it/ --------- Co-authored-by: Heimen Stoffels <vistausss@fastmail.com> Co-authored-by: albanobattistella <albano_battistella@hotmail.com>	2025-06-22 15:11:56 +08:00
Gary Wang	1623ca315a	feat: able to disable built-in close window animation	2025-06-22 15:04:15 +08:00
Gary Wang	3cfb25db9a	chore(CI): use Qt 6.9.1	2025-06-04 20:37:08 +08:00
Gary Wang	36854d19f4	i18n: update ts files	2025-06-01 13:26:49 +08:00
Gary Wang	3f7ebd2f6c	chore: make use of Qt::Literals::StringLiterals u""_s Migrate string literal handling to Qt’s built‐in `u""_s` literals for consistency and readability.	2025-05-31 13:10:21 +08:00
Gary Wang	291a98ea97	fix(CI): macOS and Ubuntu CI FTBFS macOS's CI uses conan to build exiv2, which seems still rely on the exiv2lib target...	2025-05-24 23:19:26 +08:00
Gary Wang	24a0b581f3	chore: drop Qt 5 support The required exiv2 version is now 0.28.x as well since it was keeped for Qt 5 build. Due to exiv2ConfigVersion.cmake doesn't allow us write something like find_package(exiv2 "0.28") to require version >= 0.28.0, we simply don't put the required version number here for now.	2025-05-24 20:34:36 +08:00
Gary Wang	369aa13be3	chore: correct feature list in release note	2025-05-11 13:56:38 +08:00