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tdevelop/lib/widgets/propeditor/pcombobox.cpp

111 lines
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/***************************************************************************
* Copyright (C) 2002-2004 by Alexander Dymo *
* cloudtemple@mskat.net *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library 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 Library 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 "pcombobox.h"
#include <qcombobox.h>
#include <qlayout.h>
namespace PropertyLib{
PComboBox::PComboBox(MultiProperty *property, const QMap<QString, QVariant> &list, QWidget *parent, const char *name)
:PropertyWidget(property, parent, name), m_valueList(list)
{
init(false);
}
PComboBox::PComboBox(MultiProperty *property, const QMap<QString, QVariant> &list, bool rw, QWidget *parent, const char *name)
:PropertyWidget(property, parent, name), m_valueList(list)
{
init(rw);
}
void PComboBox::init(bool rw)
{
QHBoxLayout *l = new QHBoxLayout(this, 0, 0);
m_edit = new QComboBox(rw, this);
m_edit->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
l->addWidget(m_edit);
fillBox();
connect(m_edit, SIGNAL(activated(int)), this, SLOT(updateProperty(int)));
}
void PComboBox::fillBox()
{
for (QMap<QString, QVariant>::const_iterator it = m_valueList.begin(); it != m_valueList.end(); it++)
{
m_edit->insertItem(it.key());
}
}
QVariant PComboBox::value() const
{
QMap<QString, QVariant>::const_iterator it = m_valueList.find(m_edit->currentText());
if (it == m_valueList.end())
return QVariant("");
return QVariant(it.data());
}
void PComboBox::setValue(const QVariant &value, bool emitChange)
{
#if QT_VERSION >= 0x030100
if (!value.isNull())
#else
if (value.canCast(QVariant::String))
#endif
{
disconnect(m_edit, SIGNAL(activated(int)), this, SLOT(updateProperty(int)));
m_edit->setCurrentText(findDescription(value));
connect(m_edit, SIGNAL(activated(int)), this, SLOT(updateProperty(int)));
if (emitChange)
emit propertyChanged(m_property, value);
}
}
void PComboBox::updateProperty(int /*val*/)
{
emit propertyChanged(m_property, value());
}
QString PComboBox::findDescription(const QVariant &value)
{
for (QMap<QString, QVariant>::const_iterator it = m_valueList.begin(); it != m_valueList.end(); ++ it)
{
if (it.data() == value)
return it.key();
}
return "";
}
void PComboBox::setValueList(const QMap<QString, QVariant> &valueList)
{
m_valueList = valueList;
m_edit->clear();
fillBox();
}
}
#ifndef PURE_QT
#include "pcombobox.moc"
#endif