add a contextMenuEvent to Widget so that we get proper context menu propagation by default

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=714171

widgets/widget.cpp

@@ -30,6 +30,7 @@
 #include <QPainter>
 #include <QPixmapCache>
 #include <QStyleOptionGraphicsItem>
+#include <QGraphicsSceneContextMenuEvent>
 
 #include <KDebug>
 
@@ -407,5 +408,33 @@ void Widget::reparent(Widget *w)
     update();
 }
 
+void Widget::contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent)
+{
+    //kDebug() << "context menu event!";
+    if (!scene()) {
+        return;
+    }
+    Widget* item = dynamic_cast<Widget*>(parentItem());
+
+    if (!item) {
+        QGraphicsItem::contextMenuEvent(contextMenuEvent);
+        return;
+    }
+
+    while (item && item->parentItem()) {
+        item = dynamic_cast<Widget*>(parentItem()); //item->parentItem();
+    }
+
+    if (!item) {
+        QGraphicsItem::contextMenuEvent(contextMenuEvent);
+        return;
+    }
+
+    item->contextMenuEvent(contextMenuEvent);
+    contextMenuEvent->accept();
+    return;
+    //QGraphicsScene::contextMenuEvent(contextMenuEvent);
+}
+
 } // Plasma namespace
 

widgets/widget.h

@@ -255,6 +255,7 @@ protected:
      * @param widget the parent QWidget (most likely the Corona)
      */
     virtual void paintWidget(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    void contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent);
 
 private:
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);