forked from qt-creator/qt-creator
		
	AbstractFormEditorTool -> AbstractLiveEditTool LayerItem -> LiveLayerItem SelectionIndicator -> LiveSelectionIndicator SelectionRectangle -> LiveSelectionRectangle SelectionTool -> LiveSelectionTool SingleSelectionManipulator -> LiveSingleSelectionManipulator RubberBandSelectionManipulator -> LiveRubberBandSelectionManipulator
		
			
				
	
	
		
			105 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**************************************************************************
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| **
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| ** This file is part of Qt Creator
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| **
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| ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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| **
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| ** Contact: Nokia Corporation (qt-info@nokia.com)
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| **
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| ** No Commercial Usage
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| **
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| ** This file contains pre-release code and may not be distributed.
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| ** You may use this file in accordance with the terms and conditions
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| ** contained in the Technology Preview License Agreement accompanying
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| ** this package.
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| **
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| ** GNU Lesser General Public License Usage
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| **
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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, Nokia gives you certain additional
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| ** rights.  These rights are described in the Nokia 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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| ** If you have questions regarding the use of this file, please contact
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| ** Nokia at qt-info@nokia.com.
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| **
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| **************************************************************************/
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| 
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| #include "liveselectionrectangle.h"
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| #include "qmlobserverconstants.h"
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| 
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| #include <QtGui/QPen>
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| #include <QtGui/QGraphicsRectItem>
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| #include <QtGui/QGraphicsObject>
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| #include <QtGui/QGraphicsScene>
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| 
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| #include <QtCore/QtDebug>
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| 
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| #include <cmath>
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| 
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| namespace QmlJSDebugger {
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| }
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