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Diffstat (limited to 'src/location/labs/qsg/qgeomapobjectqsgsupport.cpp')
| -rw-r--r-- | src/location/labs/qsg/qgeomapobjectqsgsupport.cpp | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/location/labs/qsg/qgeomapobjectqsgsupport.cpp b/src/location/labs/qsg/qgeomapobjectqsgsupport.cpp new file mode 100644 index 00000000..e0e3a6d7 --- /dev/null +++ b/src/location/labs/qsg/qgeomapobjectqsgsupport.cpp @@ -0,0 +1,224 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtLocation module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgeomapobjectqsgsupport_p.h" +#include <QtLocation/private/qgeomap_p_p.h> + +QT_BEGIN_NAMESPACE + +static int findMapObject(QGeoMapObject *o, const QList<MapObject> &list) +{ + for (int i = 0; i < list.size(); ++i) + { + if (list.at(i).object.data() == o) + return i; + } + return -1; +} + +bool QGeoMapObjectQSGSupport::createMapObjectImplementation(QGeoMapObject *obj, QGeoMapPrivate *d) +{ + QExplicitlySharedDataPointer<QGeoMapObjectPrivate> pimpl = + QExplicitlySharedDataPointer<QGeoMapObjectPrivate>(d->createMapObjectImplementation(obj)); + if (pimpl.constData()) { + bool res = obj->setImplementation(pimpl); + if (res) + emit m_map->sgNodeChanged(); + return res; + } + return false; +} + +QGeoMapObjectPrivate *QGeoMapObjectQSGSupport::createMapObjectImplementationPrivate(QGeoMapObject *obj) +{ + QGeoMapObjectPrivate *res = nullptr; + + { + QQSGMapObject *sgo = nullptr; + switch (obj->type()) { + case QGeoMapObject::PolylineType: { + QMapPolylineObjectPrivate &oldImpl = static_cast<QMapPolylineObjectPrivate &>(*obj->implementation()); + QMapPolylineObjectPrivateQSG *pimpl = + new QMapPolylineObjectPrivateQSG(oldImpl); + sgo = pimpl; + res = pimpl; + break; + } + case QGeoMapObject::PolygonType: { + QMapPolygonObjectPrivate &oldImpl = static_cast<QMapPolygonObjectPrivate &>(*obj->implementation()); + QMapPolygonObjectPrivateQSG *pimpl = + new QMapPolygonObjectPrivateQSG(oldImpl); + sgo = pimpl; + res = pimpl; + break; + } + case QGeoMapObject::CircleType: { + QMapCircleObjectPrivate &oldImpl = static_cast<QMapCircleObjectPrivate &>(*obj->implementation()); + QMapCircleObjectPrivateQSG *pimpl = + new QMapCircleObjectPrivateQSG(oldImpl); + sgo = pimpl; + res = pimpl; + break; + } + case QGeoMapObject::RouteType: { + QMapRouteObjectPrivate &oldImpl = static_cast<QMapRouteObjectPrivate &>(*obj->implementation()); + QMapRouteObjectPrivateQSG *pimpl = + new QMapRouteObjectPrivateQSG(oldImpl); + sgo = pimpl; + res = pimpl; + break; + } + case QGeoMapObject::IconType: { + QMapIconObjectPrivate &oldImpl = static_cast<QMapIconObjectPrivate &>(*obj->implementation()); + QMapIconObjectPrivateQSG *pimpl = + new QMapIconObjectPrivateQSG(oldImpl); + sgo = pimpl; + res = pimpl; + break; + } + default: + // Use the following warning only for debugging purposes. + // qWarning() << "QGeoMapObjectQSGSupport::createMapObjectImplementationPrivate: not instantiating pimpl for unsupported object type " << obj->type(); + break; + } + + if (res) { + QPointer<QGeoMapObject> p(obj); + MapObject mo(p, sgo); + m_pendingMapObjects << mo; + } + } + return res; +} + +QList<QGeoMapObject *> QGeoMapObjectQSGSupport::mapObjects() const +{ + return QList<QGeoMapObject *>(); +} + +void QGeoMapObjectQSGSupport::removeMapObject(QGeoMapObject *obj) +{ + int idx = findMapObject(obj, m_mapObjects); + if (idx >= 0) { + const MapObject &mo = m_mapObjects.takeAt(idx); + obj->disconnect(m_map); + m_removedMapObjects << mo; + emit m_map->sgNodeChanged(); + } else { + idx = findMapObject(obj, m_pendingMapObjects); + if (idx >= 0) { + m_pendingMapObjects.removeAt(idx); + obj->disconnect(m_map); + } else { + // obj not here. + } + } +} + +void QGeoMapObjectQSGSupport::updateMapObjects(QSGNode *root, QQuickWindow *window) +{ + for (int i = 0; i < m_removedMapObjects.size(); ++i) { + MapObject mo = m_removedMapObjects[i]; + if (mo.qsgNode) { + root->removeChildNode(mo.qsgNode); + delete mo.qsgNode; + mo.qsgNode = nullptr; + // mo.sgObject is now invalid as it is destroyed right after appending + // mo to m_removedMapObjects + } + } + m_removedMapObjects.clear(); + + for (int i = 0; i < m_mapObjects.size(); ++i) { + // already added as node + if (Q_UNLIKELY(!m_mapObjects.at(i).object)) { + qWarning() << "unexpected NULL pointer in m_mapObjects at "<<i; + continue; + } + + MapObject &mo = m_mapObjects[i]; + QQSGMapObject *sgo = mo.sgObject; + QSGNode *oldNode = mo.qsgNode; + mo.qsgNode = sgo->updateMapObjectNode(oldNode, &mo.visibleNode, root, window); + if (Q_UNLIKELY(!mo.qsgNode)) { + qWarning() << "updateMapObjectNode for "<<mo.object->type() << " returned NULL"; + } else if (mo.visibleNode && (mo.visibleNode->visible() != mo.object->visible())) { + mo.visibleNode->setVisible(mo.object->visible()); + mo.qsgNode->markDirty(QSGNode::DirtySubtreeBlocked); + } + } + + QList<int> toRemove; + for (int i = 0; i < m_pendingMapObjects.size(); ++i) { + // already added as node + MapObject &mo = m_pendingMapObjects[i]; + QQSGMapObject *sgo = mo.sgObject; + QSGNode *oldNode = mo.qsgNode; + sgo->updateGeometry(); // or subtree will be blocked + mo.qsgNode = sgo->updateMapObjectNode(oldNode, &mo.visibleNode, root, window); + if (mo.qsgNode) { + if (mo.visibleNode && (mo.visibleNode->visible() != mo.object->visible())) { + mo.visibleNode->setVisible(mo.object->visible()); + mo.qsgNode->markDirty(QSGNode::DirtySubtreeBlocked); + } + m_mapObjects << mo; + toRemove.push_front(i); + QObject::connect(mo.object, SIGNAL(visibleChanged()), m_map, SIGNAL(sgNodeChanged())); + } else { + // leave it to be processed, don't spit warnings + } + } + + for (int i: qAsConst(toRemove)) + m_pendingMapObjects.removeAt(i); +} + +void QGeoMapObjectQSGSupport::updateObjectsGeometry() +{ + for (int i = 0; i < m_mapObjects.size(); ++i) { + // already added as node + if (Q_UNLIKELY(!m_mapObjects.at(i).object)) { + qWarning() << "unexpected NULL pointer in m_mapObjects at "<<i; + continue; + } + + QQSGMapObject *sgo = m_mapObjects.at(i).sgObject; + sgo->updateGeometry(); + } + emit m_map->sgNodeChanged(); +} + +QT_END_NAMESPACE |