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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "liveselectionrectangle_p.h"
#include "../qmlobserverconstants_p.h"
#include <QtGui/QPen>
#include <QtGui/QGraphicsRectItem>
#include <QtGui/QGraphicsObject>
#include <QtGui/QGraphicsScene>
#include <QtCore/QtDebug>
#include <cmath>
QT_BEGIN_NAMESPACE
class SelectionRectShape : public QGraphicsRectItem
{
public:
SelectionRectShape(QGraphicsItem *parent = 0) : QGraphicsRectItem(parent) {}
int type() const { return Constants::EditorItemType; }
};
LiveSelectionRectangle::LiveSelectionRectangle(QGraphicsObject *layerItem)
: m_controlShape(new SelectionRectShape(layerItem)),
m_layerItem(layerItem)
{
m_controlShape->setPen(QPen(Qt::black));
m_controlShape->setBrush(QColor(128, 128, 128, 50));
}
LiveSelectionRectangle::~LiveSelectionRectangle()
{
if (m_layerItem)
m_layerItem.data()->scene()->removeItem(m_controlShape);
}
void LiveSelectionRectangle::clear()
{
hide();
}
void LiveSelectionRectangle::show()
{
m_controlShape->show();
}
void LiveSelectionRectangle::hide()
{
m_controlShape->hide();
}
QRectF LiveSelectionRectangle::rect() const
{
return m_controlShape->mapFromScene(m_controlShape->rect()).boundingRect();
}
void LiveSelectionRectangle::setRect(const QPointF &firstPoint,
const QPointF &secondPoint)
{
double firstX = std::floor(firstPoint.x()) + 0.5;
double firstY = std::floor(firstPoint.y()) + 0.5;
double secondX = std::floor(secondPoint.x()) + 0.5;
double secondY = std::floor(secondPoint.y()) + 0.5;
QPointF topLeftPoint(firstX < secondX ? firstX : secondX,
firstY < secondY ? firstY : secondY);
QPointF bottomRightPoint(firstX > secondX ? firstX : secondX,
firstY > secondY ? firstY : secondY);
QRectF rect(topLeftPoint, bottomRightPoint);
m_controlShape->setRect(rect);
}
QT_END_NAMESPACE
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