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/*
 For general Scribus (>=1.3.2) copyright and licensing information please refer
 to the COPYING file provided with the program. Following this notice may exist
 a copyright and/or license notice that predates the release of Scribus 1.3.2
 for which a new license (GPL+exception) is in place.
 */

/***************************************************************************
*                                                                         *
*   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.                                   *
*                                                                         *
***************************************************************************/

/***************************************************************************
                 canvasmode_editpolygon.h  -  description
                             -------------------
    begin                : Wed Jan 12 2011
    copyright            : (C) 2011 by Franz Schmid
    email                : Franz.Schmid@altmuehlnet.de
 ***************************************************************************/


#ifndef CANVAS_MODE_EDITPOLYGON_H
#define CANVAS_MODE_EDITPOLYGON_H

#include <QObject>
#include <QTime>

#include "canvasmode.h"
#include "fpointarray.h"
#include "ui/polyprops.h"
#include "undotransaction.h"

class PageItem;
class ScribusMainWindow;
class ScribusView;


// This class encapsulate the old code for mouse interaction from scribusview.cpp

class CanvasMode_EditPolygon :  public CanvasMode
{
        Q_OBJECT
public:
        explicit CanvasMode_EditPolygon(ScribusView* view);
        ~CanvasMode_EditPolygon() override = default;

        void enterEvent(QEvent *) override;
        void leaveEvent(QEvent *) override;
       
        void activate(bool) override;
        void deactivate(bool) override;
        void keyPressEvent(QKeyEvent *e) override;
        void keyReleaseEvent(QKeyEvent *e) override;
        void mouseDoubleClickEvent(QMouseEvent *m) override;
        void mouseReleaseEvent(QMouseEvent *m) override;
        void mouseMoveEvent(QMouseEvent *m) override;
        void mousePressEvent(QMouseEvent *m) override;
        void drawControls(QPainter* p) override;
        void drawControlsPolygon(QPainter* psx, PageItem* currItem);

private:

        typedef enum
        {
                noPointDefined,
                useControlOuter,
                useControlInner,
                useControlInnerCurve,
                useControlOuterCurve
        } ePolygonPoint;

        inline bool GetItem(PageItem** pi);
        double GetZeroFactor() const;
        double GetMaxFactor() const;
        double getUserValFromFactor(double factor);

        PolyVectorDialog *m_VectorDialog {nullptr};
        QPointF m_centerPoint;
        QPointF m_endPoint;
        QPointF m_innerCPoint;
        QPointF m_outerCPoint;
        QPointF m_startPoint;
        ScribusMainWindow* m_ScMW {nullptr};
        UndoTransaction m_transaction;
        bool m_polyUseFactor {false};
        double m_Mxp {-1.0};
        double m_Myp {-1.0};
        double m_polyCurvature {0.0};
        double m_polyFactor {0.0};
        double m_polyInnerRot {0.0};
        double m_polyOuterCurvature {0.0};
        double m_polyRotation {0.0};
        ePolygonPoint m_polygonPoint {noPointDefined};
        int m_blockUpdateFromItem {0};
        int m_polyCorners {0};
        void blockUpdateFromItem(bool block) { if (block) ++m_blockUpdateFromItem; else --m_blockUpdateFromItem; }
        bool updateFromItemBlocked() { return (m_blockUpdateFromItem > 0); }

public slots:
        void applyValues(int polyC, double polyF, bool polyUseCF, double polyR, double polyCur, double polyIRot, double polyOCur);
        void updateFromItem();
        void endEditing(bool active);
        void endEditing();
};


#endif