void slotViewContextMenuRequested(const QPointF& pos);
void slotHeaderContextMenuRequested(const QPointF& pos);
void slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current);
+ void slotLeadingPaddingWidthChanged(qreal width);
void slotItemHovered(int index);
void slotItemUnhovered(int index);
void slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event);
void updatePlaceholderLabel();
+ void tryShowNameToolTip(QEvent* event);
+
private:
void updatePalette();
void showLoadingPlaceholder();