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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "zoomaction.h"
#include <QComboBox>
#include <QLineEdit>
#include <QEvent>
#include <QCoreApplication>
namespace QmlDesigner {
ZoomAction::ZoomAction(QObject *parent)
: QWidgetAction(parent),
m_zoomLevel(1.0),
m_currentComboBoxIndex(-1)
{
}
double ZoomAction::zoomLevel() const
{
return m_zoomLevel;
}
void ZoomAction::zoomIn()
{
if (m_currentComboBoxIndex > 0)
emit indexChanged(m_currentComboBoxIndex - 1);
}
void ZoomAction::zoomOut()
{
if (m_currentComboBoxIndex < (m_comboBoxModel->rowCount() - 1))
emit indexChanged(m_currentComboBoxIndex + 1);
}
void ZoomAction::setZoomLevel(double zoomLevel)
{
if (zoomLevel < .1) {
m_zoomLevel = 0.1;
} else if (zoomLevel > 16.0) {
m_zoomLevel = 16.0;
} else {
m_zoomLevel = zoomLevel;
}
emit zoomLevelChanged(m_zoomLevel);
}
QWidget *ZoomAction::createWidget(QWidget *parent)
{
QComboBox *comboBox = new QComboBox(parent);
if (m_comboBoxModel.isNull()) {
m_comboBoxModel = comboBox->model();
comboBox->addItem("10 %", 0.1);
comboBox->addItem("25 %", 0.25);
comboBox->addItem("50 %", 0.5);
comboBox->addItem("100 %", 1.0);
comboBox->addItem("200 %", 2.0);
comboBox->addItem("400 %", 4.0);
comboBox->addItem("800 %", 8.0);
comboBox->addItem("1600 %", 16.0);
} else {
comboBox->setModel(m_comboBoxModel.data());
}
comboBox->setCurrentIndex(3);
connect(comboBox, SIGNAL(currentIndexChanged(int)), SLOT(emitZoomLevelChanged(int)));
connect(this, SIGNAL(indexChanged(int)), comboBox, SLOT(setCurrentIndex(int)));
comboBox->setProperty("hideborder", true);
return comboBox;
}
void ZoomAction::emitZoomLevelChanged(int index)
{
m_currentComboBoxIndex = index;
if (index == -1)
return;
QModelIndex modelIndex(m_comboBoxModel.data()->index(index, 0));
setZoomLevel(m_comboBoxModel.data()->data(modelIndex, Qt::UserRole).toDouble());
}
} // namespace QmlDesigner
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