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/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBGRAPHICSRULER_H_
#define UBGRAPHICSRULER_H_
#include <QtGui>
#include <QtSvg>
#include "core/UB.h"
#include "domain/UBItem.h"
#include "tools/UBAbstractDrawRuler.h"
class UBGraphicsScene;
class UBGraphicsRuler : public UBAbstractDrawRuler, public QGraphicsRectItem, public UBItem
{
Q_OBJECT;
public:
UBGraphicsRuler();
virtual ~UBGraphicsRuler();
enum { Type = UBGraphicsItemType::RulerItemType };
virtual int type() const
{
return Type;
}
virtual UBItem* deepCopy() const;
virtual void copyItemParameters(UBItem *copy) const;
virtual void StartLine(const QPointF& position, qreal width);
virtual void DrawLine(const QPointF& position, qreal width);
virtual void EndLine();
protected:
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget);
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
// Events
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
private:
bool mResizing;
bool mRotating;
// Helpers
void fillBackground(QPainter *painter);
void paintGraduations(QPainter *painter);
void paintRotationCenter(QPainter *painter);
virtual void rotateAroundCenter(qreal angle);
QGraphicsSvgItem* mRotateSvgItem;
QGraphicsSvgItem* mResizeSvgItem;
void updateResizeCursor();
QCursor resizeCursor() const{return mResizeCursor;}
virtual QPointF rotationCenter() const;
virtual QRectF resizeButtonRect() const;
virtual QRectF closeButtonRect() const;
virtual QRectF rotateButtonRect() const;
virtual UBGraphicsScene* scene() const;
QCursor mResizeCursor;
int drawLineDirection;
// Constants
static const QRect sDefaultRect;
static const int sMinLength = 150; // 3sm
static const int sMaxLength = 35000; // 700sm
};
#endif /* UBGRAPHICSRULER_H_ */