forked from qt-creator/qt-creator
1972c2f897
QMLObserver links against the library dynamically. User's apps can also link to it statically, so that the app can be deployed with debugging features to a device, without having to worry about library deployment.
123 lines
4.2 KiB
C++
123 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 "qdeclarativedesignview.h"
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#include "qmlviewerconstants.h"
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#include <QPen>
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#include <cmath>
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#include <QGraphicsScene>
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namespace QmlViewer {
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SelectionIndicator::SelectionIndicator(QDeclarativeDesignView *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) {
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foreach (QGraphicsItem *item, m_indicatorShapeHash.values())
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m_layerItem->scene()->removeItem(item);
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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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polygon = polygon.united(item->mapToScene(item->boundingRect()));
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foreach(QGraphicsItem *child, item->childItems()) {
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if (!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<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 (QGraphicsItem *item, itemList) {
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QGraphicsPolygonItem *newSelectionIndicatorGraphicsItem = new QGraphicsPolygonItem(m_layerItem.data());
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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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void SelectionIndicator::updateItems(const QList<QGraphicsObject*> &itemList)
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{
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foreach (QGraphicsItem *item, itemList) {
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if (m_indicatorShapeHash.contains(item)) {
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QGraphicsPolygonItem *indicatorGraphicsItem = m_indicatorShapeHash.value(item);
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QPolygonF boundingRectInSceneSpace(item->mapToScene(item->boundingRect()));
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QPolygonF boundingRectInLayerItemSpace = m_layerItem->mapFromScene(boundingRectInSceneSpace);
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indicatorGraphicsItem->setPolygon(boundingRectInLayerItemSpace);
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}
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}
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}
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} //namespace QmlViewer
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