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/*
* This file is part of Chalk
*
* Copyright (c) 2006 Frederic Coiffier <fcoiffie@gmail.com>
*
* 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.
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KGRADIENTSLIDER_H
#define KGRADIENTSLIDER_H
// TQt includes.
#include <tqwidget.h>
#include <tqcolor.h>
#include <tqptrlist.h>
#include <tqpair.h>
class KGradientSlider : public TQWidget
{
TQ_OBJECT
typedef enum {
BlackCursor,
GammaCursor,
WhiteCursor
} eCursor;
public:
KGradientSlider(TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
virtual ~KGradientSlider();
public slots:
void modifyBlack(int);
void modifyWhite(int);
void modifyGamma(double);
signals:
void modifiedBlack(int);
void modifiedWhite(int);
void modifiedGamma(double);
protected:
void paintEvent(TQPaintEvent *);
void mousePressEvent (TQMouseEvent * e);
void mouseReleaseEvent ( TQMouseEvent * e );
void mouseMoveEvent ( TQMouseEvent * e );
void leaveEvent ( TQEvent * );
public:
void enableGamma(bool b);
double getGamma(void);
private:
unsigned int m_leftmost;
unsigned int m_rightmost;
eCursor m_grab_cursor;
unsigned int m_grab_index;
bool m_dragging;
unsigned int m_blackcursor;
unsigned int m_whitecursor;
unsigned int m_gammacursor;
bool m_gammaEnabled;
double m_gamma;
};
#endif /* KGRADIENTSLIDER_H */
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