karbon

vgradientwidget.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2001, 2002, 2003 The Karbon Developers
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef _VGRADIENTWIDGET_H_
00021 #define _VGRADIENTWIDGET_H_
00022 
00023 #include <qwidget.h>
00024 #include <koffice_export.h>
00025 class VGradient;
00026 class QPainter;
00027 class VColor;
00028 
00029 class KARBONBASE_EXPORT VGradientWidget : public QWidget
00030 {
00031     Q_OBJECT
00032 
00033 public:
00034     VGradientWidget( VGradient& gradient, QWidget* parent = 0L, const char* name = 0L );
00035     ~VGradientWidget();
00036 
00037     virtual void paintEvent( QPaintEvent* );
00038 
00039 signals:
00040     void changed();
00041 
00042 protected:
00044     void mousePressEvent( QMouseEvent* );
00045     void mouseReleaseEvent( QMouseEvent* );
00046     void mouseDoubleClickEvent( QMouseEvent* );
00047     void mouseMoveEvent( QMouseEvent* );
00048 
00049     void paintColorStop( QPainter& p, int x, VColor& color );
00050     void paintMidPoint( QPainter& p, int x );
00051 
00053     VGradient*             m_gradient;
00055     unsigned int currentPoint;
00056     
00057     QRect m_pntArea;
00058 }; // VGradientWidget
00059 
00060 #endif /* _VGRADIENTWIDGET_H_ */
KDE Home | KDE Accessibility Home | Description of Access Keys