[KPhotoAlbum] Viewer: Mouse wheel support

[Christoph Moseler]

Hi,

would it be possible to add mouse wheel support to the Viewer?

void Viewer::ViewerWidget::wheelEvent( QWheelEvent* event )
{
   if ( event->delta() < 0) {
     showNext();
   } else {
     showPrev();
   }

}

Thanks,
Christoph