src/hbwidgets/sliders/hbvolumeslider_p.cpp
changeset 28 b7da29130b0e
parent 21 4633027730f5
--- a/src/hbwidgets/sliders/hbvolumeslider_p.cpp	Thu Sep 02 20:44:51 2010 +0300
+++ b/src/hbwidgets/sliders/hbvolumeslider_p.cpp	Fri Sep 17 08:32:10 2010 +0300
@@ -34,6 +34,14 @@
 #include <QGraphicsSceneEvent>
 #include <QGraphicsScene>
 #include <hbwidgetfeedback.h>
+#ifdef HB_GESTURE_FW 
+#include <hbtapgesture.h>
+#endif
+#ifdef HB_EFFECTS
+#include "hbeffect.h"
+#include "hbeffectinternal_p.h"
+#define HB_SLIDER_TYPE "HB_SLIDER"
+#endif
 
 /*!
     Example usage:
@@ -134,6 +142,9 @@
     if( currentValueVisible )
         elements<<HbSlider::TextElement;
     setElements( elements );
+#ifdef HB_GESTURE_FW    
+    q->grabGesture(Qt::TapGesture);
+#endif 
     // create element because HbSlider will not create element for NULL Icon
     // and volume slider Icon is set in style
     if ( !elementItemMap.contains(HbSlider::IncreaseElement) ) {
@@ -347,6 +358,8 @@
  */
 void HbVolumeSlider::mousePressEvent( QGraphicsSceneMouseEvent *event )
 {
+
+#ifndef HB_GESTURE_FW    
     Q_D( HbVolumeSlider );
     if( d->elementItemMap.contains(HbSlider::IncreaseElement) ) {
         if ( d->elementItemMap[HbSlider::IncreaseElement].touchItem->isUnderMouse( ) ) {
@@ -394,6 +407,9 @@
         }
     }
    HbSlider::mousePressEvent( event );
+#else 
+    Q_UNUSED(event)
+#endif 
  }
 
 /*!
@@ -402,12 +418,16 @@
  */
 void HbVolumeSlider::mouseReleaseEvent( QGraphicsSceneMouseEvent *event )
 {
+#ifndef HB_GESTURE_FW 
     Q_D( HbVolumeSlider );
     HbSlider::mouseReleaseEvent( event );
     d->stopRepeatAction( );
     setProperty("changeincrementState" ,false);
     setProperty("changedecrementState" ,false);
     setProperty("state", "normal"); 
+#else
+    Q_UNUSED(event)
+#endif 
 }
 
 /*!
@@ -453,6 +473,92 @@
     d->sliderControl->setFocus( );
 }
 
+/*!
+    \reimp
+ */
+void HbVolumeSlider::gestureEvent(QGestureEvent *event)
+{ 
+    Q_D(HbVolumeSlider);
+    //consume the event if gesture is on increment or decrement,
+    //if the slide ris muted and then on pressing on icrement/decrement value consider previous value as well
+    if (HbTapGesture *tap = qobject_cast<HbTapGesture *>(event->gesture(Qt::TapGesture))) {
+        QPointF pos = event->mapToGraphicsScene(tap->position());
+        bool consumeEvent = false;
+        switch( tap->state( ) ) {
+        case Qt::GestureStarted: {
+            if ( d->elementItemMap.contains (HbSlider::IncreaseElement ) ) {
+                if (d->elementItemMap[HbSlider::IncreaseElement].touchItem ) {
+                    if (d->elementItemMap[HbSlider::IncreaseElement].touchItem->sceneBoundingRect().contains(pos)) {
+                        consumeEvent = true;
+                        d->pressOnIncrement = true;
+                        HbWidgetFeedback::triggered( d->sliderControl, Hb::InstantPressed, Hb::ModifierSliderElement );
+                        event->accept( );
+                        // if volume was mute
+                        if( isIconChecked( ) ){
+                            // take to previous value and increase one step
+                            setValue( d->previousValue+singleStep( ) );
+                            // start timer for repeat action
+                            d->sliderControl->setRepeatAction( 
+                                HbAbstractSliderControl::SliderSingleStepAdd, d->sliderControl->maximum( ) );
+                        } else {// simply increase by one step
+                            d->startIncrementing( );
+                        }
+                        setProperty("changeincrementState" ,true);
+                        setProperty("changedecrementState" ,false);
+                        setProperty("state", "pressed");
+                    }
+                }
+            }
+            if ( d->elementItemMap.contains (HbSlider::DecreaseElement ) ) {
+                if (d->elementItemMap[HbSlider::DecreaseElement].touchItem ) {
+                    if (d->elementItemMap[HbSlider::DecreaseElement].touchItem->sceneBoundingRect().contains(pos))  {
+                        consumeEvent = true;
+                        d->pressOnIncrement = false;
+                        HbWidgetFeedback::triggered( d->sliderControl, Hb::InstantPressed, Hb::ModifierSliderElement );
+                        event->accept( );
+                        if( isIconChecked( ) ){
+                            //set value to previous value and decrement by one step
+                            setValue( d->previousValue-singleStep( ) );
+                            if( value( )==minimum( ) ){
+                                d->previousValue = value( );
+                                setIconEnabled( false );
+                            }
+                            //start timer for repeat action
+                            d->sliderControl->setRepeatAction( 
+                            HbAbstractSliderControl::SliderSingleStepSub, d->sliderControl->minimum( ) );
+                        } else {
+                            d->startDecrementing( );
+                        }
+                        setProperty("changeincrementState" ,false);
+                        setProperty("changedecrementState" ,true);
+                        setProperty("state", "pressed"); 
+
+                    }
+                }
+            }
+        }
+        break;
+        case Qt::GestureCanceled:
+        case Qt::GestureFinished:            
+            setProperty("changeincrementState" ,false);
+            setProperty("changedecrementState" ,false);
+            setProperty("state", "normal"); 
+            consumeEvent = true;
+            HbSlider::gestureEvent(event);
+            break;
+        default:
+            break;
+        }    
+        if(!consumeEvent) {
+           event->ignore();
+           HbSlider::gestureEvent(event);
+       }
+       
+
+    }
+        
+}
+
 #include "moc_hbvolumeslider_p.cpp"