feat(macOS): support file open event for association

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();