Changes: DuiPannableWidget is now going to use pan gestures

RevBy: To be done
Details: Further changes to DuiPannableWidget. The class is now
going to use QPanGesture object to handle panning. This will
also fix issue with DuiPannableWidget inside DuiPannableWidget.

1 files changed, 26 insertions, 8 deletions

diff --git a/src/corelib/widgets/mpannablewidget_p.h b/src/corelib/widgets/mpannablewidget_p.h
index a7007e78..d99d2029 100644
--- a/src/corelib/widgets/mpannablewidget_p.h
+++ b/src/corelib/widgets/mpannablewidget_p.h
@@ -28,11 +28,9 @@
 
 class QPoint;
 class QEvent;
-class QTransform;
 class QGraphicsItem;
 class QGraphicsSceneMouseEvent;
 class MPhysics2DPanning;
-class MStyle;
 class MPannableWidgetGlass;
 
 class MPannableWidgetPrivate : public MWidgetControllerPrivate
@@ -42,10 +40,6 @@ public:
     explicit MPannableWidgetPrivate();
     virtual ~MPannableWidgetPrivate();
 
-    enum states {Wait, Evaluate, Pan};
-    int state;
-    int itemCount;
-
     QGraphicsSceneMouseEvent  pressEvent;
 
     MPhysics2DPanning *physics;
@@ -59,6 +53,8 @@ public:
     };
 
     QList<struct resentItem> resentList;
+
+    int pressDeliveryTimerId;
 public:
 
     /*!
@@ -69,14 +65,36 @@ public:
                                          QGraphicsSceneMouseEvent *event);
 
     /*!
-     * \brief Method used for resetting state of the pannable widget.
+     * \brief Method used for resetting state of the physics engine.
      */
-    void resetState();
+    void resetPhysics();
+
+    /*!
+     * \brief Method used for resetting glass and mouse grabber.
+     */
+    void resetMouseGrabber();
 
     /*!
      * \brief Method used for delivering event to interested widget.
      */
     void deliverMouseEvent(QGraphicsSceneMouseEvent *event);
+
+    /*!
+     * \brief Method used for delivering initial mouse press. It will set
+     * the mouseGrabber if it is necessary at this point.
+     */
+    void deliverPressEvent();
+
+    /*!
+     * \brief Method used to start a timer which will trigger the delivery
+     * of initial mouse press event.
+     */
+    void initialPressStartTimer();
+
+    /*!
+     * \brief Method used for cancelling the mouse press delivery timer.
+     */
+    void initialPressStopTimer();
 };
 
 #endif