/*
 *  Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "kis_multi_double_filter_widget.h"

#include <tqlabel.h>
#include <tqlayout.h>
#include <tqtimer.h>

#include <knuminput.h>
#include <kis_filter_config_widget.h>
#include <klocale.h>

KisDelayedActionDoubleInput::KisDelayedActionDoubleInput(TQWidget * tqparent, const char * name)
    : KDoubleNumInput(tqparent, name)
{
    m_timer = new TQTimer(this, name);
    connect(m_timer, TQT_SIGNAL(timeout()), TQT_SLOT(slotValueChanged()));
    connect(this, TQT_SIGNAL(valueChanged( double )), TQT_SLOT(slotTimeToUpdate()));
}

void KisDelayedActionDoubleInput::slotTimeToUpdate()
{
    m_timer->start(50, true);
}

void KisDelayedActionDoubleInput::slotValueChanged()
{
    emit valueChangedDelayed( value() );
}

void KisDelayedActionDoubleInput::cancelDelayedSignal()
{
    m_timer->stop();
}

KisDoubleWidgetParam::KisDoubleWidgetParam(double nmin, double nmax, double ninitvalue, TQString nlabel, TQString nname) :
    min(nmin),
    max(nmax),
    initvalue(ninitvalue),
    label(nlabel),
    name(nname)
{

}

KisMultiDoubleFilterWidget::KisMultiDoubleFilterWidget(TQWidget * tqparent, const char * name, const char * caption, vKisDoubleWidgetParam dwparam)
    : KisFilterConfigWidget( tqparent, name )
{
    TQ_INT32 m_nbdoubleWidgets = dwparam.size();

    this->setCaption(caption);

    TQGridLayout *widgetLayout = new TQGridLayout(this, m_nbdoubleWidgets + 1, 3);
    widgetLayout->setColStretch ( 1, 1 );

    m_doubleWidgets = new KisDelayedActionDoubleInput*[ m_nbdoubleWidgets ];

    for( TQ_INT32 i = 0; i < m_nbdoubleWidgets; ++i)
    {
        m_doubleWidgets[i] = new KisDelayedActionDoubleInput(this, dwparam[i].name.ascii());
        m_doubleWidgets[i]->setRange( dwparam[i].min, dwparam[i].max );
        m_doubleWidgets[i]->setValue( dwparam[i].initvalue );
        m_doubleWidgets[i]->cancelDelayedSignal();

        connect(m_doubleWidgets[i], TQT_SIGNAL(valueChangedDelayed(double)), TQT_SIGNAL(sigPleaseUpdatePreview()));

        TQLabel* lbl = new TQLabel(dwparam[i].label+":", this);
        widgetLayout->addWidget( lbl, i , 0);

        widgetLayout->addWidget( m_doubleWidgets[i], i , 1);
    }
    TQSpacerItem * sp = new TQSpacerItem(1, 1);
    widgetLayout->addItem(sp, m_nbdoubleWidgets, 0);

}

void KisMultiDoubleFilterWidget::setConfiguration(KisFilterConfiguration * config)
{
    
    for (int i = 0; i < m_nbdoubleWidgets ; ++i) {
        double val = config->getDouble(m_doubleWidgets[i]->name());
        m_doubleWidgets[i]->setValue(val);
        m_doubleWidgets[i]->cancelDelayedSignal();
    }
}

#include "kis_multi_double_filter_widget.moc"