add quit application to contextmenu actions

--easier way for some to quit Latte by just
right clicking on the docks/panels

BUG:417486

app/dbus/org.kde.LatteDock.xml

@@ -3,6 +3,8 @@
   <interface name="org.kde.LatteDock">
     <method name="activateLauncherMenu">
     </method>
+    <method name="quitApplication">
+    </method>
     <method name="updateDockItemBadge">
         <arg name="identifier" type="s" direction="in"/>
         <arg name="value" type="s" direction="in"/>

app/lattecorona.cpp

@@ -820,7 +820,7 @@ int Corona::primaryScreenId() const
     return m_screenPool->id(qGuiApp->primaryScreen()->name());
 }
 
-void Corona::closeApplication()
+void Corona::quitApplication()
 {
     //! this code must be called asynchronously because it is called
     //! also from qml (Settings window).

app/lattecorona.h

@@ -125,8 +125,6 @@ public:
 
     int screenForContainment(const Plasma::Containment *containment) const override;
 
-    void closeApplication();
-
     KActivities::Consumer *activityConsumer() const;
     KWayland::Client::PlasmaShell *waylandCoronaInterface() const;
 
@@ -146,6 +144,7 @@ public:
     PanelShadows *dialogShadows() const;
 
     //! these functions are used from context menu through containmentactions
+    void quitApplication();
     void switchToLayout(QString layout);
     void showSettingsWindow(int page);
     void setContextMenuView(int id);

app/settings/settingsdialog.cpp

@@ -243,7 +243,7 @@ SettingsDialog::SettingsDialog(QWidget *parent, Latte::Corona *corona)
 
     connect(quitAction, &QAction::triggered, this, [&]() {
         close();
-        m_corona->closeApplication();
+        m_corona->quitApplication();
     });
 
     connect(m_editLayoutAction, &QAction::triggered, this, [&]() {

containmentactions/contextmenu/menu.cpp

@@ -57,6 +57,7 @@ Menu::~Menu()
     m_switchLayoutsMenu->deleteLater();
     m_layoutsAction->deleteLater();
     m_preferenceAction->deleteLater();
+    m_quitApplication->deleteLater();
 }
 
 void Menu::makeActions()
@@ -91,6 +92,9 @@ void Menu::makeActions()
         m_configureAction->setEnabled(true);
     });
 
+    m_quitApplication = new QAction(QIcon::fromTheme("application-exit"), i18nc("quit application", "Quit &Latte"));
+    connect(m_quitApplication, &QAction::triggered, this, &Menu::quitApplication);
+
     m_switchLayoutsMenu = new QMenu;
     m_layoutsAction = m_switchLayoutsMenu->menuAction();
     m_layoutsAction->setText(i18n("&Layouts"));
@@ -127,11 +131,12 @@ QList<QAction *> Menu::contextualActions()
     //actions << m_printAction;
     actions << m_layoutsAction;
     actions << m_preferenceAction;
+    actions << m_quitApplication;
 
     actions << m_separator2;
     actions << m_addWidgetsAction;
-    actions << m_configureAction;
-    
+    actions << m_configureAction;    
+
     m_data.clear();
     QDBusInterface iface("org.kde.lattedock", "/Latte", "", QDBusConnection::sessionBus());
 
@@ -169,6 +174,8 @@ QAction *Menu::action(const QString &name)
         return m_configureAction;
     } else if (name == "layouts") {
         return m_layoutsAction;
+    } else if (name == "quit application") {
+        return m_quitApplication;
     }
 
     return nullptr;
@@ -244,6 +251,15 @@ void Menu::switchToLayout(QAction *action)
     }
 }
 
+void Menu::quitApplication()
+{
+    QDBusInterface iface("org.kde.lattedock", "/Latte", "", QDBusConnection::sessionBus());
+
+    if (iface.isValid()) {
+        iface.call("quitApplication");
+    }
+}
+
 K_EXPORT_PLASMA_CONTAINMENTACTIONS_WITH_JSON(lattecontextmenu, Menu, "plasma-containmentactions-lattecontextmenu.json")
 
 #include "menu.moc"

containmentactions/contextmenu/menu.h

@@ -44,6 +44,7 @@ private Q_SLOTS:
     void makeActions();
     void populateLayouts();
     void requestConfiguration();
+    void quitApplication();
     void switchToLayout(QAction *action);
 
 
@@ -60,6 +61,7 @@ private:
     QAction *m_printAction{nullptr};
     QAction *m_layoutsAction{nullptr};
     QAction *m_preferenceAction{nullptr};
+    QAction *m_quitApplication{nullptr};
 
     QMenu *m_switchLayoutsMenu{nullptr};
 };

plasmoid/package/contents/ui/ContextMenu.qml

@@ -42,6 +42,8 @@ PlasmaComponents.ContextMenu {
     property var modelIndex
     readonly property var atm: TaskManager.AbstractTasksModel
 
+    readonly property var containmentActions: latteView ? latteView.containmentActions() : []
+
     placement: {
         if (plasmoid.location === PlasmaCore.Types.LeftEdge) {
             return PlasmaCore.Types.RightPosedTopAlignedPopup;
@@ -930,7 +932,7 @@ PlasmaComponents.ContextMenu {
     PlasmaComponents.MenuItem {
         id: layoutsMenuItem
 
-        action: latteView ?  latteView.containmentActions()[1] : plasmoid.action("configure")
+        action: latteView ?  containmentActions[1] : plasmoid.action("configure")
         enabled: visible
         visible: latteView && latteView.layoutsManager.menuLayouts.length>1
     }
@@ -938,10 +940,16 @@ PlasmaComponents.ContextMenu {
     PlasmaComponents.MenuItem {
         id: preferenceMenuItem
 
-        action: latteView ?  latteView.containmentActions()[2] : plasmoid.action("configure")
+        action: latteView ?  containmentActions[2] : plasmoid.action("configure")
         visible: latteView
     }
 
+    PlasmaComponents.MenuItem {
+        id: quitApplicationItem
+        action: latteView ? containmentActions[3] : plasmoid.action("configure")
+        visible:  latteView
+    }
+
     PlasmaComponents.MenuItem {
         separator: true
         visible: preferenceMenuItem.visible
@@ -959,15 +967,14 @@ PlasmaComponents.ContextMenu {
     PlasmaComponents.MenuItem {
         id: addWidgets
 
-        action: latteView ? latteView.containmentActions()[4] : plasmoid.action("configure");
+        action: latteView ? containmentActions[5] : plasmoid.action("configure");
         visible:  latteView
     }
 
-
     PlasmaComponents.MenuItem {
         id: configureItem
 
-        action: latteView ? latteView.containmentActions()[5] : plasmoid.action("configure")
+        action: latteView ? containmentActions[6] : plasmoid.action("configure")
     }
 
     //! BEGIN: Plasmoid actions when it isnt inside a Latte dock