vgradientwidget.h

/* This file is part of the KDE project
   Copyright (C) 2001, 2002, 2003 The Karbon Developers
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef _VGRADIENTWIDGET_H_
#define _VGRADIENTWIDGET_H_
 
#include <tqwidget.h>
#include <koffice_export.h>
class VGradient;
class TQPainter;
class VColor;
 
class KARBONBASE_EXPORT VGradientWidget : public TQWidget
{
    TQ_OBJECT
  
 
public:
    VGradientWidget( VGradient& gradient, TQWidget* parent = 0L, const char* name = 0L );
    ~VGradientWidget();
 
    virtual void paintEvent( TQPaintEvent* );
 
signals:
    void changed();
 
protected:
    void mousePressEvent( TQMouseEvent* );
    void mouseReleaseEvent( TQMouseEvent* );
    void mouseDoubleClickEvent( TQMouseEvent* );
    void mouseMoveEvent( TQMouseEvent* );
 
    void paintColorStop( TQPainter& p, int x, VColor& color );
    void paintMidPoint( TQPainter& p, int x );
 
    VGradient*             m_gradient;
    unsigned int currentPoint;
    
    TQRect m_pntArea;
}; // VGradientWidget
 
#endif /* _VGRADIENTWIDGET_H_ */