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tdegraphics/kviewshell/plugins/djvu/pageRangeWidget.cpp

69 lines
2.6 KiB

/***************************************************************************
* Copyright (C) 2005 by Stefan Kebekus *
* kebekus@kde.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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <kdebug.h>
#include "pageRangeWidget.h"
PageRangeWidget::PageRangeWidget( TQ_UINT16 _from, TQ_UINT16 _to, TQ_UINT16 _current, TQWidget *parent, const char *name) : PageRangeWidget_base(parent, name)
{
// Paranoid security checks
if ((from == 0) || (to == 0))
return;
if (_from > _to) {
kdError() << "PageRangeWidget::PageRangeWidget(..): from > to" << endl;
_to = _from;
}
if (_current < _from) {
kdError() << "PageRangeWidget::PageRangeWidget(..): _current < _from" << endl;
_current = _from;
}
if (_current > _to) {
kdError() << "PageRangeWidget::PageRangeWidget(..): _current > _to" << endl;
_current = _to;
}
connect(from, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(fromValueChanged(int)));
connect(to, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(toValueChanged(int)));
from->setRange(_from, _to);
from->setValue(_current);
to->setRange(_from, _to);
to->setValue(_current);
}
void PageRangeWidget::toValueChanged(int val)
{
if (val < from->value())
from->setValue(val);
}
void PageRangeWidget::fromValueChanged(int val)
{
if (val > to->value())
to->setValue(val);
}
#include "pageRangeWidget.moc"