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#ifndef _EDITOR_H_
#define _EDITOR_H_
#include <qobject.h>
#include <qregion.h>
#include <qpointer.h>
#include <qwt_widget_overlay.h>
class QwtPlot;
class QwtPlotShapeItem;
class QPainter;
class QPoint;
class Editor: public QObject
{
Q_OBJECT
public:
enum Mode
{
NoMask,
Mask,
AlphaMask,
AlphaMaskRedraw,
AlphaMaskCopyMask
};
Editor( QwtPlot * );
virtual ~Editor();
const QwtPlot *plot() const;
QwtPlot *plot();
virtual void setEnabled( bool on );
bool isEnabled() const;
void drawOverlay( QPainter * ) const;
QRegion maskHint() const;
virtual bool eventFilter( QObject *, QEvent *);
void setMode( Mode mode );
Mode mode() const;
private:
bool pressed( const QPoint & );
bool moved( const QPoint & );
void released( const QPoint & );
QwtPlotShapeItem* itemAt( const QPoint& ) const;
void raiseItem( QwtPlotShapeItem * );
QRegion maskHint( QwtPlotShapeItem * ) const;
void setItemVisible( QwtPlotShapeItem *item, bool on );
bool d_isEnabled;
QPointer<QwtWidgetOverlay> d_overlay;
// Mouse positions
QPointF d_currentPos;
QwtPlotShapeItem* d_editedItem;
Mode d_mode;
};
#endif
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