RRulerQt.h

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#ifndef RRULERQT_H
#define RRULERQT_H
 
#include "gui_global.h"
 
#include <QFrame>
#include <QMetaType>
#include <QPainterPath>
 
#include "RCoordinateListener.h"
#include "RPaletteListener.h"
#include "RRuler.h"
#include "RVector.h"
 
class RGraphicsView;
class RDocumentInterface;
 
class QCADGUI_EXPORT RRulerQt: public QFrame, public RRuler, public RCoordinateListener, public RPaletteListener {
 
Q_OBJECT
Q_PROPERTY(Qt::Orientation orientation READ getOrientation WRITE setOrientation);
 
public:
    RRulerQt(QWidget* parent=0);
    virtual ~RRulerQt();
 
    virtual void setOrientation(Qt::Orientation orientation);
 
    virtual QSize sizeHint() const;
 
    virtual void paintTick(int pos, bool major, const QString& label);
 
    virtual QFont getFont() const;
 
    virtual void updateViewport();
 
    virtual void updateCoordinate(RDocumentInterface* documentInterface);
 
    virtual void updatePalette() {
        lastSize = QSize(0,0);
        darkGuiBackground = -1;
    }
 
protected:
    void paintEvent(QPaintEvent *);
 
private:
    QPainter *painter;
    QImage buffer;
    QSize lastSize;
    bool viewportChanged;
    QPainterPath cursorArrowH;
    QPainterPath cursorArrowV;
    RVector cursorPosition;
    int darkGuiBackground;
    mutable QSize hint;
};
 
Q_DECLARE_METATYPE(RRulerQt*)
 
#endif