1 files changed, 113 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/declarativeobserver/editor/liveselectionrectangle.cpp b/src/plugins/qmltooling/declarativeobserver/editor/liveselectionrectangle.cpp
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index 0000000000..2a1d39306a
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+++ b/src/plugins/qmltooling/declarativeobserver/editor/liveselectionrectangle.cpp
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** 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