TreeListView.h++

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#ifndef __libquark_gui_TreeListView_hxx
#define __libquark_gui_TreeListView_hxx

#include <QAbstractItemView>
#include <QParallelAnimationGroup>
#include <QPropertyAnimation>

#include <quark/Quark.h++>

class QResizeEvent;

namespace quark {
namespace gui {

class LIBQUARK_API TreeListView : public QAbstractItemView
{
  Q_OBJECT;

  public:

  TreeListView(QWidget *parent = NULL);
  ~TreeListView();

  // QAbstractItemView overloads
  virtual QModelIndex indexAt(const QPoint &point) const;
  virtual void scrollTo(const QModelIndex &index,
                        ScrollHint hint = EnsureVisible);
  virtual QRect visualRect(const QModelIndex &index) const;
  virtual void setModel(QAbstractItemModel *model);
  virtual void setSelectionModel(QItemSelectionModel * selectionModel);
  virtual void setRootIndex(const QModelIndex &index);
  virtual void selectAll();

  QModelIndex parentIndex();

  public slots:

  void up();

  signals:

  void parentIndexChanged(const QModelIndex &index);

  protected:

  // QAbstractItemView overloads
  virtual bool isIndexHidden(const QModelIndex &index) const;
  virtual QModelIndex moveCursor(CursorAction cursorAction,
                                 Qt::KeyboardModifiers modifiers);
  virtual void resizeEvent(QResizeEvent *event);
  virtual void setSelection(const QRect & rect,
                            QItemSelectionModel::SelectionFlags command);
  virtual QRegion visualRegionForSelection(const QItemSelection &selection)
      const;
  virtual int horizontalOffset() const;
  virtual int verticalOffset() const;
  virtual void currentChanged(const QModelIndex &current,
                              const QModelIndex &previous);

  private slots:

  void swapColumns();
  void positionColumns(bool forward);
  void handleClick(const QModelIndex &index);

  private:

  class ListColumn;

  QParallelAnimationGroup _animations;
  ListColumn *_currentColumn;
  ListColumn *_otherColumn;
};

} // namespace gui
} // namespace quark

#endif // __libquark_gui_TreeListView_hxx