forked from qt-creator/qt-creator
9107f0c5d0
The library not only contains the observer part, but also the javascript debugger. Reflect this in the namespace.
128 lines
4.2 KiB
C++
128 lines
4.2 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) 2010 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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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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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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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "selectionindicator.h"
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#include "qdeclarativeviewobserver_p.h"
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#include "qmlobserverconstants.h"
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#include <QPen>
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#include <cmath>
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#include <QGraphicsScene>
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#include <QDebug>
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namespace QmlJSDebugger {
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SelectionIndicator::SelectionIndicator(QDeclarativeViewObserver *editorView, QGraphicsObject *layerItem)
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: m_layerItem(layerItem), m_view(editorView)
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{
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}
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SelectionIndicator::~SelectionIndicator()
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{
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clear();
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}
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void SelectionIndicator::show()
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{
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foreach (QGraphicsPolygonItem *item, m_indicatorShapeHash.values())
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item->show();
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}
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void SelectionIndicator::hide()
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{
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foreach (QGraphicsPolygonItem *item, m_indicatorShapeHash.values())
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item->hide();
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}
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void SelectionIndicator::clear()
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{
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if (!m_layerItem.isNull()) {
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QHashIterator<QGraphicsItem*, QGraphicsPolygonItem *> iter(m_indicatorShapeHash);
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while(iter.hasNext()) {
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iter.next();
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m_layerItem->scene()->removeItem(iter.value());
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delete iter.value();
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}
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}
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m_indicatorShapeHash.clear();
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}
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QPolygonF SelectionIndicator::addBoundingRectToPolygon(QGraphicsItem *item, QPolygonF &polygon)
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{
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// ### remove this if statement when QTBUG-12172 gets fixed
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if (item->boundingRect() != QRectF(0,0,0,0)) {
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QPolygonF bounding = item->mapToScene(item->boundingRect());
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if (bounding.isClosed()) //avoid crashes if there is an infinite scale.
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polygon = polygon.united(bounding);
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}
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foreach(QGraphicsItem *child, item->childItems()) {
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if (!QDeclarativeViewObserverPrivate::get(m_view)->isEditorItem(child))
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addBoundingRectToPolygon(child, polygon);
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}
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return polygon;
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}
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void SelectionIndicator::setItems(const QList<QWeakPointer<QGraphicsObject> > &itemList)
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{
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clear();
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// set selections to also all children if they are not editor items
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foreach (QWeakPointer<QGraphicsObject> obj, itemList) {
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if (obj.isNull())
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continue;
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QGraphicsItem *item = obj.data();
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QGraphicsPolygonItem *newSelectionIndicatorGraphicsItem = new QGraphicsPolygonItem(m_layerItem.data());
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if (!m_indicatorShapeHash.contains(item)) {
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m_indicatorShapeHash.insert(item, newSelectionIndicatorGraphicsItem);
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QPolygonF boundingShapeInSceneSpace;
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addBoundingRectToPolygon(item, boundingShapeInSceneSpace);
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QRectF boundingRect = m_view->adjustToScreenBoundaries(boundingShapeInSceneSpace.boundingRect());
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QPolygonF boundingRectInLayerItemSpace = m_layerItem->mapFromScene(boundingRect);
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QPen pen;
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pen.setColor(QColor(108, 141, 221));
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newSelectionIndicatorGraphicsItem->setData(Constants::EditorItemDataKey, QVariant(true));
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newSelectionIndicatorGraphicsItem->setFlag(QGraphicsItem::ItemIsSelectable, false);
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newSelectionIndicatorGraphicsItem->setPolygon(boundingRectInLayerItemSpace);
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newSelectionIndicatorGraphicsItem->setPen(pen);
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}
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}
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}
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} //namespace QmlJSDebugger
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