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89 lines
2.4 KiB
89 lines
2.4 KiB
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/*
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* UBGraphicsRuler.h
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*
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* Created on: April 16, 2009
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* Author: Jerome Marchaud
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*/
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#ifndef UBGRAPHICSRULER_H_
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#define UBGRAPHICSRULER_H_
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#include <QtGui>
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#include <QtSvg>
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#include "core/UB.h"
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#include "domain/UBItem.h"
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#include "tools/UBAbstractDrawRuler.h"
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class UBGraphicsScene;
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class UBGraphicsRuler : public UBAbstractDrawRuler, public QGraphicsRectItem, public UBItem
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{
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Q_OBJECT;
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public:
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UBGraphicsRuler();
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virtual ~UBGraphicsRuler();
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enum { Type = UBGraphicsItemType::RulerItemType };
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virtual int type() const
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{
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return Type;
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}
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virtual UBItem* deepCopy() const;
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virtual void StartLine(const QPointF& position, qreal width);
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virtual void DrawLine(const QPointF& position, qreal width);
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virtual void EndLine();
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protected:
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virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget);
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virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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// Events
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
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virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
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private:
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bool mResizing;
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bool mRotating;
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// Helpers
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void fillBackground(QPainter *painter);
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void paintGraduations(QPainter *painter);
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void paintRotationCenter(QPainter *painter);
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virtual void rotateAroundCenter(qreal angle);
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QGraphicsSvgItem* mRotateSvgItem;
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QGraphicsSvgItem* mResizeSvgItem;
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void updateResizeCursor();
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QCursor resizeCursor() const{return mResizeCursor;}
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virtual QPointF rotationCenter() const;
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virtual QRectF resizeButtonRect() const;
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virtual QRectF closeButtonRect() const;
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virtual QRectF rotateButtonRect() const;
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virtual UBGraphicsScene* scene() const;
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QCursor mResizeCursor;
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int drawLineDirection;
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// Constants
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static const QRect sDefaultRect;
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static const int sMinLength = 150;
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};
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#endif /* UBGRAPHICSRULER_H_ */
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