forked from qt-creator/qt-creator
		
	Change-Id: Ic6a9ff0359625021ebc061d22db6811814534205 Reviewed-by: Kai Koehne <kai.koehne@digia.com>
		
			
				
	
	
		
			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.  For licensing terms and
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** conditions see http://qt.digia.com/licensing.  For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "liveselectionrectangle.h"
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#include "qmlinspectorconstants.h"
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#include <QPen>
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#include <QGraphicsRectItem>
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#include <QGraphicsObject>
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#include <QGraphicsScene>
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#include <QDebug>
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#include <cmath>
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namespace QmlJSDebugger {
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class SelectionRectShape : public QGraphicsRectItem
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{
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public:
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    SelectionRectShape(QGraphicsItem *parent = 0) : QGraphicsRectItem(parent) {}
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    int type() const { return Constants::EditorItemType; }
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};
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LiveSelectionRectangle::LiveSelectionRectangle(QGraphicsObject *layerItem)
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    : m_controlShape(new SelectionRectShape(layerItem)),
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      m_layerItem(layerItem)
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{
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    m_controlShape->setPen(QPen(Qt::black));
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    m_controlShape->setBrush(QColor(128, 128, 128, 50));
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}
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LiveSelectionRectangle::~LiveSelectionRectangle()
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{
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    if (m_layerItem)
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        m_layerItem.data()->scene()->removeItem(m_controlShape);
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}
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void LiveSelectionRectangle::clear()
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{
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    hide();
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}
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void LiveSelectionRectangle::show()
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{
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    m_controlShape->show();
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}
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void LiveSelectionRectangle::hide()
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{
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    m_controlShape->hide();
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}
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QRectF LiveSelectionRectangle::rect() const
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{
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    return m_controlShape->mapFromScene(m_controlShape->rect()).boundingRect();
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}
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void LiveSelectionRectangle::setRect(const QPointF &firstPoint,
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                                 const QPointF &secondPoint)
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{
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    double firstX = std::floor(firstPoint.x()) + 0.5;
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    double firstY = std::floor(firstPoint.y()) + 0.5;
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    double secondX = std::floor(secondPoint.x()) + 0.5;
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    double secondY = std::floor(secondPoint.y()) + 0.5;
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    QPointF topLeftPoint(firstX < secondX ? firstX : secondX,
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                         firstY < secondY ? firstY : secondY);
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    QPointF bottomRightPoint(firstX > secondX ? firstX : secondX,
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                             firstY > secondY ? firstY : secondY);
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    QRectF rect(topLeftPoint, bottomRightPoint);
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    m_controlShape->setRect(rect);
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}
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}
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