macOS: handle file open event requested by Finder

src/application.cpp

@@ -0,0 +1,23 @@
+#include "application.h"
+
+#include <QFileOpenEvent>
+#include <QDebug>
+
+using namespace vnotex;
+
+Application::Application(int &p_argc, char **p_argv)
+    : QApplication(p_argc, p_argv)
+{
+}
+
+bool Application::event(QEvent *p_event)
+{
+    // On macOS, we need this to open file from Finder.
+    if (p_event->type() == QEvent::FileOpen) {
+        QFileOpenEvent *openEvent = static_cast<QFileOpenEvent *>(p_event);
+        qDebug() << "request to open file" << openEvent->file();
+        emit openFileRequested(openEvent->file());
+    }
+
+    return QApplication::event(p_event);
+}

src/application.h

@@ -0,0 +1,22 @@
+#ifndef APPLICATION_H
+#define APPLICATION_H
+
+#include <QApplication>
+
+namespace vnotex
+{
+    class Application : public QApplication
+    {
+        Q_OBJECT
+    public:
+        Application(int &p_argc, char **p_argv);
+
+    signals:
+        void openFileRequested(const QString &p_filePath);
+
+    protected:
+        bool event(QEvent *p_event) Q_DECL_OVERRIDE;
+    };
+}
+
+#endif // APPLICATION_H

src/main.cpp

@@ -1,4 +1,3 @@
-#include <QApplication>
 #include <QDebug>
 #include <QTextCodec>
 #include <QSslSocket>
@@ -22,6 +21,7 @@
 #include <core/exception.h>
 #include <widgets/messageboxhelper.h>
 #include "commandlineoptions.h"
+#include "application.h"
 
 using namespace vnotex;
 
@@ -68,7 +68,7 @@ int main(int argc, char *argv[])
     }
 #endif
 
-    QApplication app(argc, argv);
+    Application app(argc, argv);
 
     initWebEngineSettings();
 
@@ -162,6 +162,11 @@ int main(int argc, char *argv[])
     QObject::connect(&guard, &SingleInstanceGuard::openFilesRequested,
                      &window, &MainWindow::openFiles);
 
+    QObject::connect(&app, &Application::openFileRequested,
+                     &window, [&window](const QString &p_filePath) {
+                         window.openFiles(QStringList() << p_filePath);
+                     });
+
     window.kickOffOnStart(cmdOptions.m_pathsToOpen);
 
     int ret = app.exec();

src/src.pro

@@ -32,6 +32,7 @@ TRANSLATIONS += \
     data/core/translations/vnote_ja.ts
 
 SOURCES += \
+    application.cpp \
     commandlineoptions.cpp \
     main.cpp
 
@@ -148,4 +149,5 @@ unix:!macx {
 }
 
 HEADERS += \
+    application.h \
     commandlineoptions.h