forked from qt-creator/qt-creator
c6047e06e6
We cannot keep the context. The context has to be forwarded each time. Change-Id: I50b944bea1c6ad30832490edad8b35f392c32029 Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>
526 lines
18 KiB
C++
526 lines
18 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms and
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** conditions see http://www.qt.io/terms-conditions. For further information
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** use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "qmlprivategate.h"
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#include "metaobject.h"
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#include "designercustomobjectdata.h"
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#include <objectnodeinstance.h>
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#include <nodeinstanceserver.h>
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#include <QQuickItem>
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#include <QQmlComponent>
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#include <QFileInfo>
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#include <private/qquicktransition_p.h>
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#include <private/qquickanimation_p.h>
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#include <private/qqmltimer_p.h>
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#include <designersupport.h>
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namespace QmlDesigner {
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namespace Internal {
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namespace QmlPrivateGate {
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bool isPropertyBlackListed(const QmlDesigner::PropertyName &propertyName)
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{
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if (propertyName.contains(".") && propertyName.contains("__"))
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return true;
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if (propertyName.count(".") > 1)
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return true;
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return false;
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}
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static void addToPropertyNameListIfNotBlackListed(PropertyNameList *propertyNameList, const PropertyName &propertyName)
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{
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if (!isPropertyBlackListed(propertyName))
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propertyNameList->append(propertyName);
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}
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PropertyNameList allPropertyNames(QObject *object,
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const PropertyName &baseName,
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QObjectList *inspectedObjects)
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{
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PropertyNameList propertyNameList;
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QObjectList localObjectList;
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if (inspectedObjects == 0)
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inspectedObjects = &localObjectList;
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if (inspectedObjects->contains(object))
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return propertyNameList;
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inspectedObjects->append(object);
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const QMetaObject *metaObject = object->metaObject();
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for (int index = 0; index < metaObject->propertyCount(); ++index) {
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QMetaProperty metaProperty = metaObject->property(index);
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QQmlProperty declarativeProperty(object, QLatin1String(metaProperty.name()));
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if (declarativeProperty.isValid() && declarativeProperty.propertyTypeCategory() == QQmlProperty::Object) {
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if (declarativeProperty.name() != "parent") {
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QObject *childObject = QQmlMetaType::toQObject(declarativeProperty.read());
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if (childObject)
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propertyNameList.append(allPropertyNames(childObject, baseName + PropertyName(metaProperty.name()) + '.', inspectedObjects));
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}
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} else if (QQmlValueTypeFactory::valueType(metaProperty.userType())) {
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QQmlValueType *valueType = QQmlValueTypeFactory::valueType(metaProperty.userType());
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valueType->setValue(metaProperty.read(object));
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propertyNameList.append(baseName + PropertyName(metaProperty.name()));
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propertyNameList.append(allPropertyNames(valueType, baseName + PropertyName(metaProperty.name()) + '.', inspectedObjects));
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} else {
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propertyNameList.append(baseName + PropertyName(metaProperty.name()));
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}
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}
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return propertyNameList;
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}
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PropertyNameList propertyNameListForWritableProperties(QObject *object,
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const PropertyName &baseName,
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QObjectList *inspectedObjects)
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{
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PropertyNameList propertyNameList;
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QObjectList localObjectList;
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if (inspectedObjects == 0)
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inspectedObjects = &localObjectList;
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if (inspectedObjects->contains(object))
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return propertyNameList;
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inspectedObjects->append(object);
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const QMetaObject *metaObject = object->metaObject();
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for (int index = 0; index < metaObject->propertyCount(); ++index) {
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QMetaProperty metaProperty = metaObject->property(index);
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QQmlProperty declarativeProperty(object, QLatin1String(metaProperty.name()));
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if (declarativeProperty.isValid() && !declarativeProperty.isWritable() && declarativeProperty.propertyTypeCategory() == QQmlProperty::Object) {
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if (declarativeProperty.name() != "parent") {
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QObject *childObject = QQmlMetaType::toQObject(declarativeProperty.read());
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if (childObject)
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propertyNameList.append(propertyNameListForWritableProperties(childObject, baseName + PropertyName(metaProperty.name()) + '.', inspectedObjects));
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}
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} else if (QQmlValueTypeFactory::valueType(metaProperty.userType())) {
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QQmlValueType *valueType = QQmlValueTypeFactory::valueType(metaProperty.userType());
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valueType->setValue(metaProperty.read(object));
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propertyNameList.append(propertyNameListForWritableProperties(valueType, baseName + PropertyName(metaProperty.name()) + '.', inspectedObjects));
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}
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if (metaProperty.isReadable() && metaProperty.isWritable()) {
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addToPropertyNameListIfNotBlackListed(&propertyNameList, baseName + PropertyName(metaProperty.name()));
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}
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}
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return propertyNameList;
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}
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static void stopAnimation(QObject *object)
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{
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if (object == 0)
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return;
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QQuickTransition *transition = qobject_cast<QQuickTransition*>(object);
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QQuickAbstractAnimation *animation = qobject_cast<QQuickAbstractAnimation*>(object);
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QQmlTimer *timer = qobject_cast<QQmlTimer*>(object);
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if (transition) {
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transition->setFromState("");
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transition->setToState("");
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} else if (animation) {
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// QQuickScriptAction *scriptAimation = qobject_cast<QQuickScriptAction*>(animation);
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// if (scriptAimation) FIXME
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// scriptAimation->setScript(QQmlScriptString());
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animation->setLoops(1);
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animation->complete();
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animation->setDisableUserControl();
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} else if (timer) {
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timer->blockSignals(true);
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}
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}
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static void allSubObject(QObject *object, QObjectList &objectList)
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{
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// don't add null pointer and stop if the object is already in the list
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if (!object || objectList.contains(object))
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return;
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objectList.append(object);
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for (int index = QObject::staticMetaObject.propertyOffset();
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index < object->metaObject()->propertyCount();
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index++) {
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QMetaProperty metaProperty = object->metaObject()->property(index);
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// search recursive in property objects
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if (metaProperty.isReadable()
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&& metaProperty.isWritable()
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&& QQmlMetaType::isQObject(metaProperty.userType())) {
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if (metaProperty.name() != QLatin1String("parent")) {
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QObject *propertyObject = QQmlMetaType::toQObject(metaProperty.read(object));
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allSubObject(propertyObject, objectList);
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}
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}
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// search recursive in property object lists
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if (metaProperty.isReadable()
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&& QQmlMetaType::isList(metaProperty.userType())) {
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QQmlListReference list(object, metaProperty.name());
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if (list.canCount() && list.canAt()) {
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for (int i = 0; i < list.count(); i++) {
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QObject *propertyObject = list.at(i);
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allSubObject(propertyObject, objectList);
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}
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}
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}
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}
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// search recursive in object children list
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foreach (QObject *childObject, object->children()) {
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allSubObject(childObject, objectList);
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}
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// search recursive in quick item childItems list
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QQuickItem *quickItem = qobject_cast<QQuickItem*>(object);
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if (quickItem) {
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foreach (QQuickItem *childItem, quickItem->childItems()) {
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allSubObject(childItem, objectList);
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}
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}
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}
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static void fixResourcePathsForObject(QObject *object)
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{
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if (qgetenv("QMLDESIGNER_RC_PATHS").isEmpty())
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return;
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PropertyNameList propertyNameList = propertyNameListForWritableProperties(object);
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foreach (const PropertyName &propertyName, propertyNameList) {
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QQmlProperty property(object, propertyName, QQmlEngine::contextForObject(object));
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const QVariant value = property.read();
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const QVariant fixedValue = fixResourcePaths(value);
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if (value != fixedValue) {
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property.write(fixedValue);
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}
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}
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}
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void tweakObjects(QObject *object)
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{
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QObjectList objectList;
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allSubObject(object, objectList);
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foreach (QObject* childObject, objectList) {
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stopAnimation(childObject);
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fixResourcePathsForObject(childObject);
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}
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}
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static QObject *createDummyWindow(QQmlEngine *engine)
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{
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QQmlComponent component(engine, QUrl(QStringLiteral("qrc:/qtquickplugin/mockfiles/Window.qml")));
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return component.create();
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}
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static bool isWindowMetaObject(const QMetaObject *metaObject)
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{
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if (metaObject) {
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if (metaObject->className() == QByteArrayLiteral("QWindow"))
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return true;
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return isWindowMetaObject(metaObject->superClass());
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}
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return false;
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}
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static bool isWindow(QObject *object) {
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if (object)
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return isWindowMetaObject(object->metaObject());
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return false;
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}
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static QQmlType *getQmlType(const QString &typeName, int majorNumber, int minorNumber)
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{
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return QQmlMetaType::qmlType(typeName.toUtf8(), majorNumber, minorNumber);
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}
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static bool isCrashingType(QQmlType *type)
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{
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if (type) {
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if (type->qmlTypeName() == QStringLiteral("QtMultimedia/MediaPlayer"))
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return true;
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if (type->qmlTypeName() == QStringLiteral("QtMultimedia/Audio"))
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return true;
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if (type->qmlTypeName() == QStringLiteral("QtQuick.Controls/MenuItem"))
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return true;
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if (type->qmlTypeName() == QStringLiteral("QtQuick.Controls/Menu"))
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return true;
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if (type->qmlTypeName() == QStringLiteral("QtQuick/Timer"))
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return true;
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}
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return false;
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}
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void readPropertyValue(QObject *, const QByteArray &, QQmlContext *, bool *)
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{
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#if QT_VERSION >= 0x056000
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DesignerSupport::readPropertyValue(object, propertyName, qmlContext, ok);
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#else
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//DesignerSupport::readPropertyValue(object, propertyName, qmlContext, ok); //### Move to Qt
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#endif
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}
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void createNewDynamicProperty(const ObjectNodeInstancePointer &nodeInstance, const QString &name)
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{
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MetaObject::getNodeInstanceMetaObject(nodeInstance)->createNewDynamicProperty(name);
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}
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void registerNodeInstanceMetaObject(const ObjectNodeInstancePointer &nodeInstance)
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{
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// we just create one and the ownership goes automatically to the object in nodeinstance see init method
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MetaObject::getNodeInstanceMetaObject(nodeInstance);
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}
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QObject *createPrimitive(const QString &typeName, int majorNumber, int minorNumber, QQmlContext *context)
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{
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ComponentCompleteDisabler disableComponentComplete;
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Q_UNUSED(disableComponentComplete)
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QObject *object = 0;
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QQmlType *type = getQmlType(typeName, majorNumber, minorNumber);
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if (isCrashingType(type)) {
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object = new QObject;
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} else if (type) {
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 2, 0)) // TODO remove hack later if we only support >= 5.2
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if ( type->isComposite()) {
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object = createComponent(type->sourceUrl(), context);
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} else
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#endif
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{
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if (type->typeName() == "QQmlComponent") {
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object = new QQmlComponent(context->engine(), 0);
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} else {
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object = type->create();
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}
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}
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if (isWindow(object)) {
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delete object;
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object = createDummyWindow(context->engine());
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}
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}
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if (!object) {
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qWarning() << "QuickDesigner: Cannot create an object of type"
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<< QString("%1 %2,%3").arg(typeName).arg(majorNumber).arg(minorNumber)
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<< "- type isn't known to declarative meta type system";
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}
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tweakObjects(object);
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if (object && QQmlEngine::contextForObject(object) == 0)
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QQmlEngine::setContextForObject(object, context);
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QQmlEngine::setObjectOwnership(object, QQmlEngine::CppOwnership);
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return object;
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}
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QVariant fixResourcePaths(const QVariant &value)
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{
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if (value.type() == QVariant::Url)
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{
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const QUrl url = value.toUrl();
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if (url.scheme() == QLatin1String("qrc")) {
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const QString path = QLatin1String("qrc:") + url.path();
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QString qrcSearchPath = qgetenv("QMLDESIGNER_RC_PATHS");
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if (!qrcSearchPath.isEmpty()) {
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const QStringList searchPaths = qrcSearchPath.split(QLatin1Char(';'));
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foreach (const QString &qrcPath, searchPaths) {
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const QStringList qrcDefintion = qrcPath.split(QLatin1Char('='));
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if (qrcDefintion.count() == 2) {
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QString fixedPath = path;
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fixedPath.replace(QLatin1String("qrc:") + qrcDefintion.first(), qrcDefintion.last() + QLatin1Char('/'));
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if (QFileInfo(fixedPath).exists()) {
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fixedPath.replace(QLatin1String("//"), QLatin1String("/"));
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fixedPath.replace(QLatin1Char('\\'), QLatin1Char('/'));
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return QUrl(fixedPath);
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}
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}
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}
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}
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}
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}
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if (value.type() == QVariant::String) {
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const QString str = value.toString();
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if (str.contains(QLatin1String("qrc:"))) {
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QString qrcSearchPath = qgetenv("QMLDESIGNER_RC_PATHS");
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if (!qrcSearchPath.isEmpty()) {
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const QStringList searchPaths = qrcSearchPath.split(QLatin1Char(';'));
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foreach (const QString &qrcPath, searchPaths) {
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const QStringList qrcDefintion = qrcPath.split(QLatin1Char('='));
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if (qrcDefintion.count() == 2) {
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QString fixedPath = str;
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fixedPath.replace(QLatin1String("qrc:") + qrcDefintion.first(), qrcDefintion.last() + QLatin1Char('/'));
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if (QFileInfo(fixedPath).exists()) {
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fixedPath.replace(QLatin1String("//"), QLatin1String("/"));
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fixedPath.replace(QLatin1Char('\\'), QLatin1Char('/'));
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return fixedPath;
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}
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}
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}
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}
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}
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}
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return value;
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}
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QObject *createComponent(const QUrl &componentUrl, QQmlContext *context)
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{
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ComponentCompleteDisabler disableComponentComplete;
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Q_UNUSED(disableComponentComplete)
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QQmlComponent component(context->engine(), componentUrl);
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QObject *object = component.beginCreate(context);
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QmlPrivateGate::tweakObjects(object);
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component.completeCreate();
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QQmlEngine::setObjectOwnership(object, QQmlEngine::CppOwnership);
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if (component.isError()) {
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qWarning() << "Error in:" << Q_FUNC_INFO << componentUrl;
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foreach (const QQmlError &error, component.errors())
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qWarning() << error;
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}
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return object;
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}
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bool hasFullImplementedListInterface(const QQmlListReference &list)
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{
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return list.isValid() && list.canCount() && list.canAt() && list.canAppend() && list.canClear();
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}
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void registerCustomData(QObject *object)
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{
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DesignerCustomObjectData::registerData(object);
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}
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QVariant getResetValue(QObject *object, const PropertyName &propertyName)
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{
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return DesignerCustomObjectData::getResetValue(object, propertyName);
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}
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void doResetProperty(QObject *object, QQmlContext *context, const PropertyName &propertyName)
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{
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DesignerCustomObjectData::doResetProperty(object, context, propertyName);
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}
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bool hasValidResetBinding(QObject *object, const PropertyName &propertyName)
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{
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return DesignerCustomObjectData::hasValidResetBinding(object, propertyName);
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}
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bool hasBindingForProperty(QObject *object, QQmlContext *context, const PropertyName &propertyName, bool *hasChanged)
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{
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return DesignerCustomObjectData::hasBindingForProperty(object, context, propertyName, hasChanged);
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}
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void setPropertyBinding(QObject *object, QQmlContext *context, const PropertyName &propertyName, const QString &expression)
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{
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DesignerCustomObjectData::setPropertyBinding(object, context, propertyName, expression);
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}
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void doComponentCompleteRecursive(QObject *object, NodeInstanceServer *nodeInstanceServer)
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{
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if (object) {
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QQuickItem *item = qobject_cast<QQuickItem*>(object);
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if (item && DesignerSupport::isComponentComplete(item))
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return;
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QList<QObject*> childList = object->children();
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if (item) {
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foreach (QQuickItem *childItem, item->childItems()) {
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if (!childList.contains(childItem))
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childList.append(childItem);
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}
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}
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foreach (QObject *child, childList) {
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if (!nodeInstanceServer->hasInstanceForObject(child))
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doComponentCompleteRecursive(child, nodeInstanceServer);
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}
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if (item) {
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static_cast<QQmlParserStatus*>(item)->componentComplete();
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} else {
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QQmlParserStatus *qmlParserStatus = dynamic_cast< QQmlParserStatus*>(object);
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if (qmlParserStatus)
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qmlParserStatus->componentComplete();
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}
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}
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}
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ComponentCompleteDisabler::ComponentCompleteDisabler()
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{
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DesignerSupport::disableComponentComplete();
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}
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ComponentCompleteDisabler::~ComponentCompleteDisabler()
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{
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DesignerSupport::enableComponentComplete();
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}
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} // namespace QmlPrivateGate
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} // namespace Internal
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} // namespace QmlDesigner
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