#include <QGraphicsSceneDragDropEvent>
#include <QTimer>
#include <QScrollBar>
+#include <QPixmapCache>
#include <QPointer>
#include <QMenu>
#include <QVBoxLayout>
switch (event->type()) {
case QEvent::PaletteChange:
updatePalette();
+ QPixmapCache::clear();
break;
case QEvent::KeyPress: