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139 lines
4.0 KiB
139 lines
4.0 KiB
/***************************************************************************
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gammactrl.cpp - description
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-------------------
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begin : Sun Oct 7 2001
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copyright : (C) 2001 by Michael v.Ostheim
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email : MvOstheim@web.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <tqlabel.h>
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#include <tqlineedit.h>
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#include <tqstring.h>
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#include <kdialog.h>
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#include "gammactrl.h"
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#include "xvidextwrap.h"
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#include "displaynumber.h"
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#include "gammactrl.moc"
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GammaCtrl::GammaCtrl(TQWidget *parent, XVidExtWrap *xvid, int channel, \
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const TQString& mingamma, const TQString& maxgamma, const TQString& setgamma, \
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const char *name) : TQHBox(parent, name)
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{
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int maxslider = (int)( ( maxgamma.toDouble() - mingamma.toDouble() \
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+ 0.0005 ) * 20 );
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int setslider = (int)( ( setgamma.toDouble() - mingamma.toDouble() \
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+ 0.0005 ) * 20 );
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setslider = (setslider > maxslider) ? maxslider : setslider;
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setslider = (setslider < 0) ? 0 : setslider;
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suspended = false;
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changed=false;
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ming = mingamma.toFloat();
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mgamma = mingamma;
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oldpos = setslider;
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gchannel = channel;
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xv = xvid;
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setSpacing(KDialog::spacingHint());
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slider = new TQSlider(TQt::Horizontal, this);
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slider->setFixedHeight(24);
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slider->setTickmarks(TQSlider::Below);
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slider->setRange(0, maxslider);
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slider->setTickInterval(2);
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slider->setValue(setslider);
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connect(slider, TQT_SIGNAL(valueChanged(int)), TQT_SLOT(setGamma(int)));
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connect(slider, TQT_SIGNAL(sliderPressed()), TQT_SLOT(pressed()));
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textfield = new DisplayNumber(this, 4, 2);
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textfield->setText(setgamma);
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}
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GammaCtrl::~GammaCtrl()
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{
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}
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/** set gamma, slider and textfield */
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void GammaCtrl::setGamma(const TQString& gamma){
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int sliderpos;
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sliderpos = (int)( ( gamma.toDouble() - mgamma.toDouble() + 0.0005 ) * 20 );
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changed=true;
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slider->setValue(sliderpos);
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setGamma(sliderpos);
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if (suspended) {
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suspended=false;
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textfield->setDisabled(false);
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}
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}
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/** set slider and textfield */
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void GammaCtrl::setControl(const TQString& gamma){
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int sliderpos;
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sliderpos = (int)( ( gamma.toDouble() - mgamma.toDouble() + 0.0005 ) * 20 );
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setCtrl(sliderpos);
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}
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/** Return the current gamma value with precision prec */
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TQString GammaCtrl::gamma(int prec){
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TQString gammatext;
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gammatext.setNum(xv->getGamma(gchannel) + 0.0005, 'f', prec);
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return(gammatext);
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}
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/** Slot: set gamma and textfield */
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void GammaCtrl::setGamma(int sliderpos){
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if (sliderpos != oldpos || changed) {
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xv->setGamma(gchannel, ming+(float)(slider->value())*0.05);
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textfield->setNum(xv->getGamma(gchannel));
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oldpos = sliderpos;
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changed=false;
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emit gammaChanged(sliderpos);
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}
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}
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/** Slot: set slider and textfield */
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void GammaCtrl::setCtrl(int sliderpos){
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if (suspended) {
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suspended=false;
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textfield->setDisabled(false);
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}
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oldpos = sliderpos;
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slider->setValue(sliderpos);
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textfield->setNum(xv->getGamma(gchannel));
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}
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/** Slot: disable textfield */
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void GammaCtrl::suspend(){
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if (!suspended) {
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suspended = true;
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textfield->setDisabled(true);
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}
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}
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/** Slot: Change status of GammaCtrl when pressed */
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void GammaCtrl::pressed(){
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if (suspended) {
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suspended=false;
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textfield->setDisabled(false);
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changed=true;
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setGamma(slider->value());
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}
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}
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