source: smplayer/vendor/current/src/videoequalizer.cpp

/*  smplayer, GUI front-end for mplayer.
    Copyright (C) 2006-2017 Ricardo Villalba <[email protected]>

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "videoequalizer.h"

VideoEqualizer::VideoEqualizer( QWidget* parent, Qt::WindowFlags f ) 
        : QWidget(parent, f)
{
        setupUi(this);

        /*
        contrast_indicator->setNum(0);
        brightness_indicator->setNum(0);
        hue_indicator->setNum(0);
        saturation_indicator->setNum(0);
        gamma_indicator->setNum(0);
        */

        connect( contrast_slider, SIGNAL(valueChanged(int)),
             contrast_indicator, SLOT(setNum(int)) );

        connect( brightness_slider, SIGNAL(valueChanged(int)),
             brightness_indicator, SLOT(setNum(int)) );

        connect( hue_slider, SIGNAL(valueChanged(int)),
             hue_indicator, SLOT(setNum(int)) );

        connect( saturation_slider, SIGNAL(valueChanged(int)),
             saturation_indicator, SLOT(setNum(int)) );

        connect( gamma_slider, SIGNAL(valueChanged(int)),
             gamma_indicator, SLOT(setNum(int)) );

        // Reemit signals
        connect( contrast_slider, SIGNAL(valueChanged(int)),
             this, SIGNAL(contrastChanged(int)) );
        connect( brightness_slider, SIGNAL(valueChanged(int)),
             this, SIGNAL(brightnessChanged(int)) );
        connect( hue_slider, SIGNAL(valueChanged(int)),
             this, SIGNAL(hueChanged(int)) );
        connect( saturation_slider, SIGNAL(valueChanged(int)),
             this, SIGNAL(saturationChanged(int)) );
        connect( gamma_slider, SIGNAL(valueChanged(int)),
             this, SIGNAL(gammaChanged(int)) );

        connect( makedefault_button, SIGNAL(clicked()), 
             this, SIGNAL(requestToChangeDefaultValues()) );

        adjustSize();
}

VideoEqualizer::~VideoEqualizer() {
}

void VideoEqualizer::reset() {
        setContrast(0);
        setBrightness(0);
        setHue(0);
        setSaturation(0);
        setGamma(0);
}

void VideoEqualizer::on_reset_button_clicked() {
        qDebug("VideoEqualizer::on_reset_button_clicked");
        reset();
}

void VideoEqualizer::on_bysoftware_check_stateChanged(int state) {
        qDebug("VideoEqualizer::on_bysoftware_check_stateChanged");
        emit bySoftwareChanged(state == Qt::Checked);
}

void VideoEqualizer::hideEvent( QHideEvent * ) {
        emit visibilityChanged();
}

void VideoEqualizer::showEvent( QShowEvent * ) {
        emit visibilityChanged();
}

void VideoEqualizer::retranslateStrings() {
        retranslateUi(this);

        // What's this help:
        makedefault_button->setWhatsThis(
                        tr("Use the current values as default values for new videos.") );

        reset_button->setWhatsThis( tr("Set all controls to zero.") );
}

// Language change stuff
void VideoEqualizer::changeEvent(QEvent *e) {
        if (e->type() == QEvent::LanguageChange) {
                retranslateStrings();
        } else {
                QWidget::changeEvent(e);
        }
}

#include "moc_videoequalizer.cpp"