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/* Marcion

Copyright (C) 2009 - 2011 Milan Konvicka



   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; version 2 of the License.



   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 */



#ifndef MIMAGE_H

#define MIMAGE_H

//

#include <QGraphicsView>

#include <QGraphicsItem>

#include <QGraphicsScene>

#include <QMouseEvent>

#include <QPixmap>

#include <QMenu>

#include <QAction>

#include <QClipboard>



#include "messages.h"

#include "settings.h"



//



class CMImage : public QGraphicsView

{

Q_OBJECT

public:

    enum ImageMode{Image,Pdf,Map};

    enum MouseMode{Move,Select};

    enum SelMoveMode{Normal,LeftTop,LeftBottom,RightTop,RightBottom};

        CMImage(QWidget * parent = 0);

        ~CMImage();

        //void init(CMessages * const messages);

        bool loadPage(QString const & ,qreal );

        void setPixmap(QPixmap const &);

        QPixmap const & getPixmap(){return pixmap;}

        void clearPixmap();

        void scale(qreal zoom);

        void showPopupOnButton(QPoint);

        QGraphicsScene * grScene(){return &scene;}

        //void enablePdfMenu();

        void setMouseMode(MouseMode,bool signal=true);

        void setSettingsState(bool);

        void setSelectionBorderColor(QColor const &);

        void setSelectionBorderWidth(int);

        void setSelectionFillColor(QColor const &);

        //void setSelectionFillOpacity(int);

        void cancelSelection();

        QRect selectionRect() const {return selection.toRect();}



        void setImageMode(ImageMode imode);

        ImageMode imageMode(){return _i_mode;}

protected:

	void mousePressEvent ( QMouseEvent * e );

	void mouseMoveEvent ( QMouseEvent * e );

	void mouseReleaseEvent ( QMouseEvent * e );

private:

	QPointF start;

	QGraphicsScene scene;

	QGraphicsItem * current;

        QGraphicsRectItem * sel_rect;

        QPixmap pixmap;

        //CMessages * const messages;



        QMenu popup,popupSel;



        QRectF selection;

        QPen sel_pen;

        QBrush sel_brush;





        MouseMode _m_mode;

        SelMoveMode _s_mode;

        ImageMode _i_mode;

        bool bt_popup;



        QAction * a_move,*a_select,*a_copy,*a_copy_text,*a_clr_selection,*a_repaint,*a_sett;

        QAction *a_sel_lt,*a_sel_lb,*a_sel_rt,*a_sel_rb,*a_sel_norm;

private slots:

        void slot_customContextMenuRequested(QPoint);

signals:

        void positionChanged(QPointF);

        void copyTextRequested(QRectF);

        void mouseModeChanged(int);

        void settingsActivated(bool);

};

#endif