fix: add a small delay when file watcher triggers a reload

The file might still being write by other program, thus we add a
500ms delay to reload the image.

.github/workflows/macos.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Install Qt
       uses: jurplel/install-qt-action@v4
       with:
-        version: '6.8.1'
+        version: '6.8.3'
         modules: 'qtimageformats'
     - name: Install Conan and Dependencies
       id: conan

.github/workflows/windows.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - qt_ver: '6.8.2'
+          - qt_ver: '6.8.3'
             vs: '2022'
             aqt_arch: 'win64_msvc2022_64'
             msvc_arch: 'x64'
@@ -44,7 +44,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - qt_ver: '6.8.2'
+          - qt_ver: '6.8.3'
             vs: '2022'
             aqt_arch: 'win64_msvc2022_64'
             msvc_arch: 'x64'

app/mainwindow.cpp

@@ -149,7 +149,9 @@ MainWindow::MainWindow(QWidget *parent)
     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));
 
-    connect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, std::bind(&MainWindow::galleryCurrent, this, false, true));
+    connect(m_fileSystemWatcher, &QFileSystemWatcher::fileChanged, this, [this](){
+        QTimer::singleShot(500, this, std::bind(&MainWindow::galleryCurrent, this, false, true));
+    });
 
     QShortcut * fullscreenShorucut = new QShortcut(QKeySequence(QKeySequence::FullScreen), this);
     connect(fullscreenShorucut, &QShortcut::activated,

appveyor.yml

@@ -98,7 +98,7 @@ build_script:
   - cd karchive
   - mkdir build
   - cd build
-  - cmake .. -G "Ninja" -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX%
+  - cmake .. -G "Ninja" -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DWITH_OPENSSL=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX%
   - cmake --build . --config Release
   - cmake --build . --config Release --target install/strip
   - cd %APPVEYOR_BUILD_FOLDER%