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111 lines
3.5 KiB
111 lines
3.5 KiB
14 years ago
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/*
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* UBGraphicsDelegateFrame.h
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*
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* Created on: June 15, 2009
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* Author: Patrick
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*/
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#ifndef UBGRAPHICSDELEGATEFRAME_H_
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#define UBGRAPHICSDELEGATEFRAME_H_
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#include <QtGui>
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#include "core/UB.h"
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class QGraphicsSceneMouseEvent;
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class UBGraphicsItemDelegate;
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class QGraphicsSvgItem;
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class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
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{
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public:
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UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelegate, QRectF pRect, qreal pFrameWidth, bool respectRatio = true);
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virtual ~UBGraphicsDelegateFrame();
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
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QWidget *widget);
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QPainterPath shape() const;
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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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void positionHandles();
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void setVisible(bool visible);
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virtual void setAntiScale(qreal pAntiScale);
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enum OperationMode {Scaling, Resizing};
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void setOperationMode(OperationMode pMode) {mOperationMode = pMode;}
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private:
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QRectF bottomRightResizeGripRect() const;
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QRectF bottomResizeGripRect() const;
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QRectF leftResizeGripRect() const;
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QRectF rightResizeGripRect() const;
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QRectF topResizeGripRect() const;
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QRectF rotateButtonBounds() const;
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inline bool resizingBottomRight () const { return mCurrentTool == ResizeBottomRight; }
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inline bool resizingBottom () const { return mCurrentTool == ResizeBottom; }
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inline bool resizingRight () const { return mCurrentTool == ResizeRight; }
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inline bool resizingLeft () const { return mCurrentTool == ResizeLeft; }
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inline bool resizingTop () const { return mCurrentTool == ResizeTop; }
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inline bool rotating () const { return mCurrentTool == Rotate; }
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inline bool moving () const { return mCurrentTool == Move; }
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QTransform buildTransform ();
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void updateResizeCursors ();
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void initializeTransform ();
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enum FrameTool {None, Move, Rotate, ResizeBottomRight, ResizeTop, ResizeRight, ResizeBottom, ResizeLeft};
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FrameTool toolFromPos (QPointF pos);
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FrameTool mCurrentTool;
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UBGraphicsItemDelegate* mDelegate;
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bool mVisible;
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qreal mFrameWidth;
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qreal mNominalFrameWidth;
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bool mRespectRatio;
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qreal mAngle;
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qreal mAngleOffset;
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qreal mTotalScaleX;
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qreal mTotalScaleY;
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qreal mScaleX;
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qreal mScaleY;
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qreal mTranslateX;
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qreal mTranslateY;
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qreal mTotalTranslateX;
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qreal mTotalTranslateY;
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static const qreal mAngleTolerance;
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QPointF mStartingPoint;
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QTransform mInitialTransform;
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QGraphicsSvgItem* mBottomRightResizeGripSvgItem;
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QGraphicsSvgItem* mBottomResizeGripSvgItem;
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QGraphicsSvgItem* mLeftResizeGripSvgItem;
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QGraphicsSvgItem* mRightResizeGripSvgItem;
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QGraphicsSvgItem* mTopResizeGripSvgItem;
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QGraphicsSvgItem* mRotateButton;
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QGraphicsRectItem* mBottomRightResizeGrip;
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QGraphicsRectItem* mBottomResizeGrip;
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QGraphicsRectItem* mLeftResizeGrip;
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QGraphicsRectItem* mRightResizeGrip;
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QGraphicsRectItem* mTopResizeGrip;
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OperationMode mOperationMode;
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QGraphicsItem* delegated();
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};
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#endif /* UBGRAPHICSDELEGATEFRAME_H_ */
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