Updated qwheelarea

Change-Id: I1c64902b03b31cb92cce8e83cd2d7a9633d37a08
Reviewed-on: http://codereview.qt.nokia.com/1566


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Daniel Molkentin <daniel.molkentin@nokia.com>

share/qtcreator/welcomescreen/components/styleitem/qwheelarea.cpp

@@ -163,7 +163,7 @@ qreal QWheelArea::verticalValue() const
 
 void QWheelArea::setVerticalDelta(qreal d)
 {
-    _verticalDelta = d/15;
+    _verticalDelta = d/5;
     setVerticalValue(_verticalValue - _verticalDelta);
     emit(verticalWheelMoved());
 }
@@ -175,7 +175,7 @@ qreal QWheelArea::verticalDelta() const
 
 void QWheelArea::setHorizontalDelta(qreal d)
 {
-    _horizontalDelta = d/15;
+    _horizontalDelta = d/5;
     setHorizontalValue(_horizontalValue - _horizontalDelta);
     emit(horizontalWheelMoved());
 }