+
+ RepositionSelectionHandles( event.p2.mFloat, event.p3.mFloat );
+ }
+ }
+
+ void OnPanEvent( const Event& event,
+ const Vector2& controlSize,
+ const Vector2& alignmentOffset )
+ {
+ int state = event.p1.mInt;
+
+ if( Gesture::Started == state ||
+ Gesture::Continuing == state )
+ {
+ const Vector2& actualSize = mVisualModel->GetActualSize();
+
+ if( mHorizontalScrollingEnabled )
+ {
+ const float displacementX = event.p2.mFloat;
+ mScrollPosition.x += displacementX;
+
+ // Clamp between -space & 0 (and the text alignment).
+ const float contentWidth = actualSize.width;
+ if( contentWidth > controlSize.width )
+ {
+ const float space = ( contentWidth - controlSize.width ) + alignmentOffset.x;
+ mScrollPosition.x = ( mScrollPosition.x < -space ) ? -space : mScrollPosition.x;
+ mScrollPosition.x = ( mScrollPosition.x > -alignmentOffset.x ) ? -alignmentOffset.x : mScrollPosition.x;
+
+ mDecoratorUpdated = true;
+ }
+ else
+ {
+ mScrollPosition.x = 0.f;
+ }
+ }
+
+ if( mVerticalScrollingEnabled )
+ {
+ const float displacementY = event.p3.mFloat;
+ mScrollPosition.y += displacementY;
+
+ // Clamp between -space & 0 (and the text alignment).
+ if( actualSize.height > controlSize.height )
+ {
+ const float space = ( actualSize.height - controlSize.height ) + alignmentOffset.y;
+ mScrollPosition.y = ( mScrollPosition.y < -space ) ? -space : mScrollPosition.y;
+ mScrollPosition.y = ( mScrollPosition.y > -alignmentOffset.y ) ? -alignmentOffset.y : mScrollPosition.y;
+
+ mDecoratorUpdated = true;
+ }
+ else
+ {
+ mScrollPosition.y = 0.f;
+ }
+ }