canvasmode_editmeshpatch.h

/*
 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_editmeshpatch.h  -  description
                             -------------------
    begin                : Sun Sep 25 2011
    copyright            : (C) 2011 by Franz Schmid
    email                : Franz.Schmid@altmuehlnet.de
 ***************************************************************************/

#ifndef CANVASMODE_EDITMESHPATCH_H
#define CANVASMODE_EDITMESHPATCH_H

#include <QObject>
#include <QTime>
#include <QPolygonF>

#include "canvasmode.h"
#include "fpointarray.h"

class meshPoint;
class PageItem;
class PageItem_TextFrame;
class ScribusMainWindow;
class ScribusView;


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

class CanvasMode_EditMeshPatch :  public CanvasMode
{
public:
    explicit CanvasMode_EditMeshPatch(ScribusView* view);
    virtual ~CanvasMode_EditMeshPatch();

    virtual void enterEvent(QEvent *);
    virtual void leaveEvent(QEvent *);

    virtual void activate(bool);
    virtual void deactivate(bool);
    virtual void mouseDoubleClickEvent(QMouseEvent *m);
    virtual void mouseReleaseEvent(QMouseEvent *m);
    virtual void mouseMoveEvent(QMouseEvent *m);
    virtual void mousePressEvent(QMouseEvent *m);
    virtual void keyPressEvent(QKeyEvent *e);
    virtual bool handleKeyEvents() { return true; }
    virtual void drawControls(QPainter* p);
    void drawControlsMeshPoint(QPainter* psx, meshPoint mp, bool isSelected);
    void drawControlsMeshPatch(QPainter* pp, PageItem* currItem);

private:
    void snapToOtherPatch(double &x, double &y);
    typedef enum
    {
        noPointDefined,
        useTL,
        useTR,
        useBR,
        useBL
    } eMPatchPoint;

    typedef enum
    {
        noControlPointDefined,
        useControlT,
        useControlB,
        useControlL,
        useControlR,
        useControlC
    } eMGradientPoint;

    inline bool GetItem(PageItem** pi);

    meshPoint* old_mesh;
    double Mxp, Myp;
    ScribusMainWindow* m_ScMW;
    eMPatchPoint m_patchPoint;
    eMGradientPoint m_gradientPoint;
    bool m_keyRepeat;
    int m_click_count;
    QPolygonF m_clickPointPolygon;
    QPointF m_currentPoint;
    PageItem *currItem;
};

#endif