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graphicsscenerectmove.h

/***************************************************************************
 *   copyright (C) 2008 by Marco Gittler (g.marco@freenet.de)                                  *
 *   Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
 *                                                                         *
 *   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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

#ifndef GRAPHICSSCENERECTMOVE_H
#define GRAPHICSSCENERECTMOVE_H

#include <QGraphicsScene>

enum resizeModes {NoResize, TopLeft, BottomLeft, TopRight, BottomRight, Left, Right, Up, Down};
enum TITLETOOL { TITLE_SELECT = 0, TITLE_RECTANGLE = 1, TITLE_TEXT = 2, TITLE_IMAGE = 3 };

class GraphicsSceneRectMove: public QGraphicsScene
{
    Q_OBJECT
public:
    GraphicsSceneRectMove(QObject* parent = 0);

    void setSelectedItem(QGraphicsItem *item);
    void setScale(double s);
    void setZoom(double s);
    void setTool(TITLETOOL tool);
    TITLETOOL tool();
    void clearTextSelection();

public slots:
    void slotUpdateFontSize(int s);

protected:
    virtual void keyPressEvent(QKeyEvent * keyEvent);
    virtual void mousePressEvent(QGraphicsSceneMouseEvent*);
    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent*);
    virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e);
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent*);
    virtual void wheelEvent(QGraphicsSceneWheelEvent * wheelEvent);

private:
    void setCursor(QCursor);
    void setResizeCursor(qreal angle);
    double m_zoom;
    QGraphicsItem* m_selectedItem;
    resizeModes m_resizeMode;
    QPointF m_sceneClickPoint;
    TITLETOOL m_tool;
    QPoint m_clickPoint;
    int m_fontSize;

signals:
    void itemMoved();
    void sceneZoom(bool);
    void newRect(QGraphicsRectItem *);
    void newText(QGraphicsTextItem *);
    void actionFinished();
    void doubleClickEvent();
};

#endif

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