feat(macOS): support file open event for association

.github/workflows/macos.yml

@@ -13,6 +13,7 @@ jobs:
       uses: jurplel/install-qt-action@v4
       with:
         version: '6.8.1'
+        modules: 'qtimageformats'
     - name: Run a qt project
       run: |
         cmake . -Bbuild

CMakeLists.txt

@@ -212,7 +212,7 @@ elseif (APPLE)
     # See https://cmake.org/cmake/help/v3.15/prop_tgt/MACOSX_BUNDLE_INFO_PLIST.html
     set_target_properties(${EXE_NAME} PROPERTIES
         MACOSX_BUNDLE TRUE
-        MACOSX_BUNDLE_INFO_PLIST dist/MacOSXBundleInfo.plist.in
+        MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/dist/MacOSXBundleInfo.plist.in
         MACOSX_BUNDLE_BUNDLE_NAME "Pineapple Pictures"
         MACOSX_BUNDLE_GUI_IDENTIFIER net.blumia.pineapple-pictures
         MACOSX_BUNDLE_ICON_FILE app-icon.icns # contains the .icns file name, *without* the path.

app/mainwindow.cpp

@@ -160,6 +160,10 @@ MainWindow::MainWindow(QWidget *parent)
     installResizeCapture(m_graphicsView->viewport());
     installResizeCapture(m_gv);
     installResizeCapture(m_gv->viewport());
+
+#ifdef Q_OS_MACOS
+    qApp->installEventFilter(this);
+#endif // Q_OS_MACOS
 }
 
 MainWindow::~MainWindow()
@@ -653,6 +657,19 @@ QSize MainWindow::sizeHint() const
     return QSize(710, 530);
 }
 
+#ifdef Q_OS_MACOS
+bool MainWindow::eventFilter(QObject *obj, QEvent *event)
+{
+    Q_UNUSED(obj);
+    if (event->type() == QEvent::FileOpen) {
+        QFileOpenEvent *fileOpenEvent = static_cast<QFileOpenEvent *>(event);
+        showUrls({fileOpenEvent->url()});
+        return true;
+    }
+    return false;
+}
+#endif // Q_OS_MACOS
+
 void MainWindow::on_actionOpen_triggered()
 {
     QStringList picturesLocations = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation);

app/mainwindow.h

@@ -77,6 +77,9 @@ protected slots:
 
 protected:
     QSize sizeHint() const override;
+#ifdef Q_OS_MACOS
+    bool eventFilter(QObject *obj, QEvent *event) override;
+#endif // Q_OS_MACOS
 
 private slots:
     void on_actionOpen_triggered();

dist/MacOSXBundleInfo.plist.in

@@ -30,8 +30,6 @@
     <true/>
     <key>NSHumanReadableCopyright</key>
     <string>${MACOSX_BUNDLE_COPYRIGHT}</string>
-</dict>
-<dict>
     <key>CFBundleDocumentTypes</key>
     <array>
         <!-- JPEG -->