implement activated() slot for Plasma::Icon

and use it in IconApplet

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=760054

widgets/icon.cpp

@@ -39,6 +39,7 @@
 #include "effects/blur.cpp"
 #endif
 
+#include <KGlobalSettings>
 #include <KIconEffect>
 #include <KIconLoader>
 #include <KIcon>
@@ -1025,6 +1026,9 @@ void Icon::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
     if (!handled) {
         if (boundingRect().contains(event->pos())) {
             emit clicked();
+            if (KGlobalSettings::singleClick()) {
+               emit activated();
+            }
         }
         emit pressed(false);
     }
@@ -1035,6 +1039,9 @@ void Icon::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 void Icon::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 {
     emit doubleClicked();
+    if (!KGlobalSettings::singleClick()) {
+        emit activated();
+    }
 }
 
 void Icon::hoverEnterEvent(QGraphicsSceneHoverEvent *event)

widgets/icon.h

@@ -228,6 +228,12 @@ Q_SIGNALS:
     */
     void doubleClicked();
 
+    /**
+    * Indicates when the icon has been activated following the single
+    * or doubleclick settings
+    */
+    void activated();
+
 protected:
     bool isDown();
     void mousePressEvent(QGraphicsSceneMouseEvent *event);