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Lts/Common/LtsTimeline/item_delegate.h

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+/**
+  * @RDE_HEADER@
+  * manages each row in view which type of container is suitable for current situation
+  * $Id: ItemDelegate.h 49755 2020-02-04 08:44:47Z ehrlicher $
+  * $HeadURL: svn://192.168.133.21/TDS/branches/product/features/hotline/Lts/Common/LtsEventTimeline/ItemDelegate.h $
+  * $Author: ehrlicher $
+  * Created by Mike Wille, SLSE, 2014-10-01
+  */
+
+#pragma once
+
+#include <LtsTimeline/ltstimeline_export.h>
+
+#include <QStyledItemDelegate>
+#include <QPushButton>
+
+
+namespace LtsTimeline
+{
+
+class TimelineView;
+class TimelineModel;
+
+
+class LTSTIMELINE_EXPORT ItemDelegate : public QStyledItemDelegate
+{
+  Q_OBJECT
+
+public:
+  ItemDelegate(TimelineView *parent = nullptr);
+  ~ItemDelegate();
+
+  /**
+   * @brief minimum size a row / column should take
+   * @param option style options of coherant row & column
+   * @param index which row & column is affected
+   * @return
+   */
+  QSize sizeHint(const QStyleOptionViewItem &option = {}, const QModelIndex &index = {}) const override;
+
+  /**
+   * @brief paintDragItems paints dragged items over the view
+   * @param painter painter to draw all dragged items on the view
+   */
+  virtual void paintDragItems(QPainter *painter) const;
+  virtual void paintTrackButtons(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+
+protected:
+  virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+
+protected:
+  TimelineView *m_view { nullptr };
+
+  QPushButton *m_pushButton { nullptr };
+  QPushButton *m_pushButtonPressed { nullptr };
+
+};
+
+} // namespace LtsTimeline