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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "quick3dnodeinstance.h"
#include "qt5nodeinstanceserver.h"
#include <qmlprivategate.h>
#include <QDebug>
#include <QHash>
#include <QQmlExpression>
#include <QQmlProperty>
#include <cmath>
#ifdef QUICK3D_MODULE
#include <private/qquick3dnode_p.h>
#include <private/qquick3dmodel_p.h>
#include <private/qquick3dnode_p_p.h>
#endif
namespace QmlDesigner {
namespace Internal {
Quick3DNodeInstance::Quick3DNodeInstance(QObject *node)
: ObjectNodeInstance(node)
{
}
Quick3DNodeInstance::~Quick3DNodeInstance()
{
}
void Quick3DNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNodeInstance,
InstanceContainer::NodeFlags flags)
{
ObjectNodeInstance::initialize(objectNodeInstance, flags);
setPickable(true, true, false);
}
Qt5NodeInstanceServer *Quick3DNodeInstance::qt5NodeInstanceServer() const
{
return qobject_cast<Qt5NodeInstanceServer *>(nodeInstanceServer());
}
QQuick3DNode *Quick3DNodeInstance::quick3DNode() const
{
#ifdef QUICK3D_MODULE
return qobject_cast<QQuick3DNode *>(object());
#else
return nullptr;
#endif
}
void Quick3DNodeInstance::setPickable(bool enable, bool checkParent, bool applyToChildInstances)
{
#ifdef QUICK3D_MODULE
auto node = quick3DNode();
if (node) {
bool parentHidden = false;
if (checkParent) {
// First check if any parent node is already hidden. Never set pickable on that case.
auto parentNode = node->parentNode();
while (parentNode && !parentHidden) {
parentHidden = QQuick3DNodePrivate::get(parentNode)->m_isHiddenInEditor;
parentNode = parentNode->parentNode();
}
}
if (!parentHidden) {
auto getQuick3DInstance = [this](QQuick3DObject *obj) -> Quick3DNodeInstance * {
if (nodeInstanceServer()->hasInstanceForObject(obj)) {
ServerNodeInstance instance = nodeInstanceServer()->instanceForObject(obj);
if (instance.isValid() && qobject_cast<QQuick3DNode *>(instance.internalObject()))
return static_cast<Quick3DNodeInstance *>(instance.internalInstance().data());
}
return nullptr;
};
const auto childItems = node->childItems();
for (auto childItem : childItems) {
if (auto quick3dInstance = getQuick3DInstance(childItem)) {
if (applyToChildInstances) {
// Don't override explicit block in children
if (!QQuick3DNodePrivate::get(quick3dInstance->quick3DNode())->m_isHiddenInEditor)
quick3dInstance->setPickable(enable, false, true);
}
} else {
// Children of components do not have instances, but will still need to be
// pickable. These need to be set even if applyToChildInstances is false.
std::function<void(QQuick3DNode *)> checkChildren;
checkChildren = [&](QQuick3DNode *checkNode) {
const auto childItems = checkNode->childItems();
for (auto child : childItems) {
if (auto childNode = qobject_cast<QQuick3DNode *>(child))
checkChildren(childNode);
}
if (auto checkModel = qobject_cast<QQuick3DModel *>(checkNode)) {
QVariant value;
if (enable)
value = QVariant::fromValue(node);
// Specify the actual pick target with dynamic property
checkModel->setProperty("_pickTarget", value);
checkModel->setPickable(enable);
}
};
checkChildren(node);
}
}
if (qobject_cast<QQuick3DModel *>(node))
setPropertyVariant("pickable", enable); // allow 3D objects to receive mouse clicks
}
}
#else
Q_UNUSED(enable)
Q_UNUSED(checkParent)
Q_UNUSED(applyToChildInstances)
#endif
}
Quick3DNodeInstance::Pointer Quick3DNodeInstance::create(QObject *object)
{
Pointer instance(new Quick3DNodeInstance(object));
instance->populateResetHashes();
return instance;
}
void Quick3DNodeInstance::setHideInEditor(bool b)
{
#ifdef QUICK3D_MODULE
QQuick3DNodePrivate *privateNode = QQuick3DNodePrivate::get(quick3DNode());
if (privateNode) {
privateNode->setIsHiddenInEditor(b);
// Hidden objects should not be pickable
setPickable(!b, true, true);
}
#else
Q_UNUSED(b)
#endif
}
} // namespace Internal
} // namespace QmlDesigner
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