UBGraphicsDelegateFrame.h 4.81 KB
Newer Older
Claudio Valerio's avatar
Claudio Valerio committed
1
/*
Claudio Valerio's avatar
Claudio Valerio committed
2 3
 * 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
Claudio Valerio's avatar
Claudio Valerio committed
4
 * the Free Software Foundation, either version 2 of the License, or
Claudio Valerio's avatar
Claudio Valerio committed
5 6 7 8 9 10
 * (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.
Claudio Valerio's avatar
Claudio Valerio committed
11
 *
Claudio Valerio's avatar
Claudio Valerio committed
12 13
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
Claudio Valerio's avatar
Claudio Valerio committed
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
 */

#ifndef UBGRAPHICSDELEGATEFRAME_H_
#define UBGRAPHICSDELEGATEFRAME_H_

#include <QtGui>
#include "core/UB.h"

class QGraphicsSceneMouseEvent;
class UBGraphicsItemDelegate;
class QGraphicsSvgItem;


class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
{
    public:

        UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelegate, QRectF pRect, qreal pFrameWidth, bool respectRatio = true);
        virtual ~UBGraphicsDelegateFrame();

        void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                QWidget *widget);

        QPainterPath shape() const;

        virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
40
        QPointF getFixedPointFromPos();
41 42
        QSizeF getResizeVector(qreal moveX, qreal moveY);
        void resizeDelegate(qreal moveX, qreal moveY);
Claudio Valerio's avatar
Claudio Valerio committed
43 44 45 46 47 48 49 50
        virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
        virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

        void positionHandles();
        void setVisible(bool visible);

                virtual void setAntiScale(qreal pAntiScale);

51
        enum OperationMode {Scaling, Resizing, ResizingHorizontally};
Claudio Valerio's avatar
Claudio Valerio committed
52
        void setOperationMode(OperationMode pMode) {mOperationMode = pMode;}
shibakaneki's avatar
shibakaneki committed
53
        bool isResizing(){return mResizing;}
54 55 56 57
        void moveLinkedItems(QLineF movingVector, bool bLinked = false);
        void prepareFramesToMove(QList<UBGraphicsDelegateFrame *> framesToMove);
        void prepareLinkedFrameToMove();
        QList<UBGraphicsDelegateFrame *> getLinkedFrames();
Claudio Valerio's avatar
Claudio Valerio committed
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

    private:
        QRectF bottomRightResizeGripRect() const;
        QRectF bottomResizeGripRect() const;
        QRectF leftResizeGripRect() const;
        QRectF rightResizeGripRect() const;
        QRectF topResizeGripRect() const;
        QRectF rotateButtonBounds() const;

        inline bool resizingBottomRight () const { return mCurrentTool == ResizeBottomRight; }
        inline bool resizingBottom ()  const { return mCurrentTool == ResizeBottom; }
        inline bool resizingRight () const { return mCurrentTool == ResizeRight; }
        inline bool resizingLeft () const { return mCurrentTool == ResizeLeft; }
        inline bool resizingTop () const { return mCurrentTool == ResizeTop; }
        inline bool rotating () const { return mCurrentTool == Rotate; }
        inline bool moving () const { return mCurrentTool == Move; }
74
        void setCursorFromAngle(QString angle);
75
        bool canResizeBottomRight(qreal width, qreal height, qreal scaleFactor);
Claudio Valerio's avatar
Claudio Valerio committed
76 77 78 79 80 81

        QTransform buildTransform ();
        void  updateResizeCursors ();
        void  initializeTransform ();

        enum FrameTool {None, Move, Rotate, ResizeBottomRight, ResizeTop, ResizeRight, ResizeBottom, ResizeLeft};
shibakaneki's avatar
shibakaneki committed
82 83
        FrameTool toolFromPos (QPointF pos);
        void refreshGeometry();
Claudio Valerio's avatar
Claudio Valerio committed
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102

        FrameTool mCurrentTool;
        UBGraphicsItemDelegate* mDelegate;

        bool mVisible;
        qreal mFrameWidth;
        qreal mNominalFrameWidth;
        bool mRespectRatio;

        qreal mAngle;
        qreal mAngleOffset;
        qreal mTotalScaleX;
        qreal mTotalScaleY;
        qreal mScaleX;
        qreal mScaleY;
        qreal mTranslateX;
        qreal mTranslateY;
        qreal mTotalTranslateX;
        qreal mTotalTranslateY;
Anatoly Mihalchenko's avatar
Anatoly Mihalchenko committed
103 104
        qreal mAngleTolerance;
        QRect mAngleRect;
Claudio Valerio's avatar
Claudio Valerio committed
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124

        QPointF mStartingPoint;
        QTransform mInitialTransform;

        QGraphicsSvgItem* mBottomRightResizeGripSvgItem;
        QGraphicsSvgItem* mBottomResizeGripSvgItem;
        QGraphicsSvgItem* mLeftResizeGripSvgItem;
        QGraphicsSvgItem* mRightResizeGripSvgItem;
        QGraphicsSvgItem* mTopResizeGripSvgItem;
        QGraphicsSvgItem* mRotateButton;

        QGraphicsRectItem* mBottomRightResizeGrip;
        QGraphicsRectItem* mBottomResizeGrip;
        QGraphicsRectItem* mLeftResizeGrip;
        QGraphicsRectItem* mRightResizeGrip;
        QGraphicsRectItem* mTopResizeGrip;

        OperationMode mOperationMode;

        QGraphicsItem* delegated();
shibakaneki's avatar
shibakaneki committed
125 126 127 128 129
        bool mMirrorX;
        bool mMirrorY;
        bool mResizing;
        bool mMirroredXAtStart;
        bool mMirroredYAtStart;
130 131

        QList<UBGraphicsDelegateFrame *> mLinkedFrames;
Claudio Valerio's avatar
Claudio Valerio committed
132 133
};
#endif /* UBGRAPHICSDELEGATEFRAME_H_ */