Subversion Repositories Code-Repo

#ifndef CANVAS_H

#define CANVAS_H

#include "GlobalDefines.h"

#include "Circuit.h"

#define CANVAS_GATE_X_SPACING 240

#define CANVAS_GATE_Y_SPACING 20

#define COLOR_WIRE_REGION_OUTLINE 255,0,0,200

#define COLOR_WIRE_REGION_V 255,0,0,50

#define COLOR_WIRE_REGION_H	0,0,255,50

class Canvas : public QGraphicsView

{

        Q_OBJECT

    public:

        Canvas(QWidget *parent = 0);

        QSize minimumSizeHint() const;

        QSize sizeHint() const;

        void drawCircuit(Circuit *circuit);

    signals:

        void updateZoomSlider(int value);

        void updateStatus(QString status);

    public slots:

        void zoomCanvas(int);

    protected:

#ifndef QT_NO_WHEELEVENT

        virtual void wheelEvent(QWheelEvent *event);

#endif

        virtual void mousePressEvent(QMouseEvent *event);

        virtual void mouseMoveEvent(QMouseEvent *event);

        virtual void mouseReleaseEvent(QMouseEvent *event);

    private:

        QGraphicsScene *scene;

        QGraphicsTextItem *resolution;

        int zoomLevel;

        Circuit *circuit;

        bool _pan;

        int _panStartX, _panStartY;

#ifdef _DEBUG

        QPen debugPen;

#endif

};

#endif // CANVAS_H