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flightgear/utils/fgqcanvas/canvastreemodel.h
James Turner bd5a266e9f Qt-based remote canvas application.
Work-in-progress, currently performance is sub-optimal (software
rendering via QPainter API).
2016-12-17 14:24:28 +00:00

33 lines
885 B
C++

#ifndef CANVASTREEMODEL_H
#define CANVASTREEMODEL_H
#include <QAbstractItemModel>
#include "fgcanvasgroup.h"
class CanvasTreeModel : public QAbstractItemModel
{
public:
CanvasTreeModel(FGCanvasGroup* root);
protected:
virtual int rowCount(const QModelIndex &parent) const override;
virtual int columnCount(const QModelIndex &parent) const override;
virtual QVariant data(const QModelIndex &index, int role) const override;
virtual bool hasChildren(const QModelIndex &parent) const override;
virtual QModelIndex index(int row, int column, const QModelIndex &parent) const override;
virtual QModelIndex parent(const QModelIndex &child) const override;
private:
QModelIndex indexForGroup(FGCanvasGroup *group) const;
void onGroupChildAdded();
void onGroupChildRemoved(int index);
FGCanvasGroup* _root;
};
#endif // CANVASTREEMODEL_H