/*  smplayer, GUI front-end for mplayer.
    Copyright (C) 2006-2010 Ricardo Villalba <rvm@escomposlinux.org>

    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"
#include "eqslider.h"
#include "images.h"
#include "preferences.h"
#include "global.h"
#include <QLayout>
#include <QPushButton>
#include <QMessageBox>

using namespace Global;

VideoEqualizer::VideoEqualizer( QWidget* parent, Qt::WindowFlags f)
    : QWidget(parent, f)
{
    contrast = new EqSlider(this);
    brightness = new EqSlider(this);
    hue = new EqSlider(this);
    saturation = new EqSlider(this);
    gamma = new EqSlider(this);

    QBoxLayout *bl = new QHBoxLayout; //(0, 4, 2);
    bl->addWidget(contrast);
    bl->addWidget(brightness);
    bl->addWidget(hue);
    bl->addWidget(saturation);
    bl->addWidget(gamma);

    reset_button = new QPushButton( "&Reset", this);
    connect( reset_button, SIGNAL(clicked()), this, SLOT(reset()) );
    set_default_button = new QPushButton( "&Set as default values", this );
    connect( set_default_button, SIGNAL(clicked()), this, SLOT(setDefaults()) );

    QBoxLayout *button_layout = new QVBoxLayout; //(0, 4, 2);
    button_layout->addWidget(set_default_button);
    button_layout->addWidget(reset_button);

    QBoxLayout *layout = new QVBoxLayout(this); //, 4, 2);
    layout->addLayout(bl);
    layout->addLayout(button_layout);

    retranslateStrings();

    adjustSize();
    //setFixedSize( sizeHint() );
}

VideoEqualizer::~VideoEqualizer()
{
}

void VideoEqualizer::retranslateStrings()
{
    setWindowTitle( tr("Video Equalizer") );
    setWindowIcon( Images::icon("logo") );

    contrast->setLabel( tr("Contrast") );
    contrast->setToolTip( tr("Contrast") );
    contrast->setIcon( Images::icon("contrast") );

    brightness->setLabel( tr("Brightness") );
    brightness->setToolTip( tr("Brightness") );
    brightness->setIcon( Images::icon("brightness") );

    hue->setLabel( tr("Hue") );
    hue->setToolTip( tr("Hue") );
    hue->setIcon( Images::icon("hue") );

    saturation->setLabel( tr("Saturation") );
    saturation->setToolTip( tr("Saturation") );
    saturation->setIcon( Images::icon("saturation") );

    gamma->setLabel( tr("Gamma") );
    gamma->setToolTip( tr("Gamma") );
    gamma->setIcon( Images::icon("gamma") );

    reset_button->setText( tr("&Reset") );
    set_default_button->setText( tr("&Set as default values") );

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

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

}

void VideoEqualizer::reset()
{
    contrast->setValue(0);
    brightness->setValue(0);
    hue->setValue(0);
    saturation->setValue(0);
    gamma->setValue(0);
}

void VideoEqualizer::setDefaults()
{
    pref->initial_contrast = contrast->value();
    pref->initial_brightness = brightness->value();
    pref->initial_hue = hue->value();
    pref->initial_saturation = saturation->value();
    pref->initial_gamma = gamma->value();

    QMessageBox::information(this, tr("Information"),
                             tr("The current values have been stored to be "
                                "used as default.") );
}

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

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

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

#include "moc_videoequalizer.cpp"
