macOS: Allow opening ROMs with melonDS from Finder.

melon.plist.in

@@ -22,5 +22,17 @@
     <true/>
     <key>NSMicrophoneUsageDescription</key>
     <string>We need microphone access so you can use the emulated DS microphone</string>
+    <key>CFBundleDocumentTypes</key>
+    <array>
+        <dict>
+            <key>CFBundleTypeExtensions</key>
+            <array>
+                <string>nds</string>
+                <string>srl</string>
+            </array>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+        </dict>
+    </array>
 </dict>
 </plist>

src/frontend/qt_sdl/main.cpp

@@ -2726,7 +2726,23 @@ void emuStop()
     OSD::AddMessage(0xFFC040, "Shutdown");
 }
 
+MelonApplication::MelonApplication(int& argc, char** argv)
+    : QApplication(argc, argv)
+{
+    setWindowIcon(QIcon(":/melon-icon"));
+}
 
+bool MelonApplication::event(QEvent *event)
+{
+    if (event->type() == QEvent::FileOpen)
+    {
+        QFileOpenEvent *openEvent = static_cast<QFileOpenEvent*>(event);
+        printf("%s\n", openEvent->file().toUtf8().constData());
+        mainWindow->loadROM(openEvent->file());
+    }
+
+    return QApplication::event(event);
+}
 
 int main(int argc, char** argv)
 {
@@ -2737,8 +2753,7 @@ int main(int argc, char** argv)
 
     Platform::Init(argc, argv);
 
-    QApplication melon(argc, argv);
+    MelonApplication melon(argc, argv);
-    melon.setWindowIcon(QIcon(":/melon-icon"));
 
     // http://stackoverflow.com/questions/14543333/joystick-wont-work-using-sdl
     SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");

src/frontend/qt_sdl/main.h

@@ -19,6 +19,7 @@
 #ifndef MAIN_H
 #define MAIN_H
 
+#include <QApplication>
 #include <QThread>
 #include <QWidget>
 #include <QWindow>
@@ -189,6 +190,14 @@ private:
     GLuint screenTexture;
 };
 
+class MelonApplication : public QApplication
+{
+    Q_OBJECT
+
+public:
+    MelonApplication(int &argc, char** argv);
+    bool event(QEvent* event) override;
+};
 
 class MainWindow : public QMainWindow
 {
@@ -201,6 +210,9 @@ public:
     bool hasOGL;
     QOpenGLContext* getOGLContext();
 
+    void loadROM(QString filename);
+    void loadROM(QByteArray *romData, QString archiveFileName, QString romFileName);
+
     void onAppStateChanged(Qt::ApplicationState state);
 
 protected:
@@ -278,8 +290,6 @@ private:
     QList<QString> recentFileList;
     QMenu *recentMenu;
     void updateRecentFilesMenu();
-    void loadROM(QString filename);
-    void loadROM(QByteArray *romData, QString archiveFileName, QString romFileName);
 
     QString pickAndExtractFileFromArchive(QString archiveFileName, QByteArray *romBuffer);