feat(App): quit properly on SIGINT

src/app/App.hpp

@@ -72,6 +72,8 @@ public:
 
   bool hasFocus () const;
 
+  void quit () override;
+
   static App *getInstance () {
     return static_cast<App *>(QApplication::instance());
   }
@@ -85,9 +87,6 @@ public:
 
   Q_INVOKABLE static void smartShowWindow (QQuickWindow *window);
 
-public slots:
-  void quit ();
-
 signals:
   void configLocaleChanged (const QString &locale);
 

src/app/single-application/SingleApplication.cpp

@@ -251,16 +251,16 @@ void SingleApplicationPrivate::connectToPrimary (int msecs, char connectionType)
   }
 
   void SingleApplicationPrivate::terminate (int signum) {
+    if (signum == SIGINT) {
+      SingleApplication::instance()->quit();
+      return;
+    }
+
     while (!sharedMem.empty()) {
       delete sharedMem.back();
       sharedMem.pop_back();
     }
 
-    cout << "[PROCESS ABNORMALLY TERMINATED]: " << signum << endl;
-    #ifdef Q_OS_LINUX
-      cout << "If you have used valgrind, please remove your ~/.ICEauthority file and rerun." << endl;
-    #endif // ifdef Q_OS_UNIX
-
     ::exit(128 + signum);
   }
 
@@ -453,3 +453,7 @@ bool SingleApplication::sendMessage (QByteArray message, int timeout) {
   d->socket->waitForBytesWritten(timeout);
   return dataWritten;
 }
+
+void SingleApplication::quit () {
+  QCoreApplication::quit();
+}

src/app/single-application/SingleApplication.hpp

@@ -112,6 +112,8 @@ public:
    */
   bool sendMessage (QByteArray message, int timeout = 100);
 
+  virtual void quit ();
+
 Q_SIGNALS:
   void instanceStarted ();
   void receivedMessage (quint32 instanceId, QByteArray message);

src/app/single-application/SingleApplicationDBus.cpp

@@ -119,3 +119,7 @@ void SingleApplicationPrivate::messageReceived (quint32 instanceId, QByteArray m
   Q_Q(SingleApplication);
   Q_EMIT q->receivedMessage(instanceId, message);
 }
+
+void SingleApplication::quit () {
+  QCoreApplication::quit();
+}