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/***************************************************************************
gammactrl.h - description
-------------------
begin : Sun Oct 7 2001
copyright : (C) 2001 by Michael v.Ostheim
email : MvOstheim@web.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
/**A horizontal slider and a text field for the gamma value.
*@author Michael v.Ostheim
*/
#ifndef GAMMACTRL_H
#define GAMMACTRL_H
#include <qhbox.h>
#include <qslider.h>
class QString;
class DisplayNumber;
class XVidExtWrap;
class GammaCtrl : public QHBox {
Q_OBJECT
public:
/** construktor */
GammaCtrl(QWidget *parent=0, XVidExtWrap *xvid=0, int channel=0, \
const QString& mingamma="0.40", const QString& maxgamma="3.50", \
const QString& setgamma="1.00", const char *name=0 );
/** destruktor */
~GammaCtrl();
/** Return the current gamma value with precision prec */
QString gamma(int);
/** Set gamma, slider and textfield */
void setGamma(const QString&);
/** Set slider and textfield */
void setControl(const QString&);
/** Disable the slider */
void disableSlider() { slider->setDisabled(true);};
private:
QString mgamma;
QSlider *slider;
DisplayNumber *textfield;
bool suspended, changed;
int gchannel, oldpos;
double ming;
XVidExtWrap *xv;
public slots:
/** Disable textfield */
void suspend();
protected slots:
/** Set slider and textfield */
void setCtrl(int);
/** Set gamma and textfield */
void setGamma(int);
/** Change status of GammaCtrl when pressed */
void pressed();
signals:
/** Gamma change signal */
void gammaChanged(int);
};
#endif
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