File indexing completed on 2024-05-19 16:31:47

 /*
  *  A horizontal slider and a text field for the gamma value.
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  *
  *  SPDX-FileCopyrightText: 2001 Michael v.Ostheim <MvOstheim@web>
  */
 
 #ifndef GAMMACTRL_H
 #define GAMMACTRL_H
 
 #include <qslider.h>
 
 class QString;
 class DisplayNumber;
 class XVidExtWrap;
 
 class GammaCtrl : public QWidget
 {
     Q_OBJECT
 public:
     /** construktor */
     explicit GammaCtrl(QWidget *parent = nullptr,
                        XVidExtWrap *xvid = nullptr,
                        int channel = 0,
                        const QString &mingamma = QStringLiteral("0.40"),
                        const QString &maxgamma = QStringLiteral("3.50"),
                        const QString &setgamma = QStringLiteral("1.00"));
     /** destruktor */
     ~GammaCtrl() override;
     /** 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 Q_SLOTS:
     /** Disable textfield */
     void suspend();
 
 protected Q_SLOTS:
     /** Set slider and textfield */
     void setCtrl(int);
     /** Set gamma and textfield */
     void setGamma(int);
     /** Change status of GammaCtrl when pressed */
     void pressed();
 
 Q_SIGNALS:
     /** Gamma change signal */
     void gammaChanged(int);
 };
 
 #endif