catch aboutToQuit

gui/components/MainView.qml

@@ -77,9 +77,6 @@ Page {
             text: qsTr("Quit")
             icon: "../resources/quit.svg"
             triggered: function() {
-                if (ctx.status == "on") {
-                    backend.switchOff()
-                }
                 Qt.callLater(backend.quit)
             }
         }

gui/components/Systray.qml

@@ -56,9 +56,6 @@ Labs.SystemTrayIcon {
             //: Part of the systray menu; quits the application
             text: qsTr("Quit")
             onTriggered: {
-                if (ctx.status == "on") {
-                    backend.switchOff()
-                }
                 backend.quit()
             }
         }

gui/main.cpp

@@ -48,7 +48,6 @@ QString getAppName(QJsonValue info, QString provider) {
 
 auto handler = [](int sig) -> void {
     printf("\nCatched signal(%d): quitting\n", sig);
-    Quit();
     QApplication::quit();
 };
 
@@ -82,6 +81,11 @@ int main(int argc, char **argv) {
     app.setQuitOnLastWindowClosed(false);
     app.setAttribute(Qt::AA_UseHighDpiPixmaps);
 
+    QObject::connect(&app, &QApplication::aboutToQuit, []() {
+            qDebug() << ">>> Quitting, bye!";
+            Quit();
+    });
+
 #ifdef OS_WIN
     signal(SIGINT, handler);
     signal(SIGTERM, handler);