forked from qt-creator/qt-creator
8cece3226c
The infinite recursion occurs because we call QFileInfo::exists() even if no change/fix is done, if a file in a resource if actually missing. If fileName != fixedPath the ":" prefix has been replaced by an absolute path and a new call to ::create will early reject. Typically the directories do not match, so nothing is replaced. This crashed without the fix. With the fix we will always remove the ":" prefix and therefore we do not try to handle the "fixed" case. Even, a broken path that contains multiple ":" we would only handle a finite number of times until all ":" are fixed. Change-Id: Ie13cedc1212bb58a16c61e0137128539d189269d Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
484 lines
16 KiB
C++
484 lines
16 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://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
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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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/qabstractfileengine_p.h>
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#include <private/qfsfileengine_p.h>
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#include <private/qquickdesignersupport_p.h>
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#include <private/qquickdesignersupportmetainfo_p.h>
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#include <private/qquickdesignersupportitems_p.h>
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#include <private/qquickdesignersupportproperties_p.h>
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#include <private/qquickdesignersupportpropertychanges_p.h>
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#include <private/qquickdesignersupportstates_p.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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return QQuickDesignerSupportProperties::isPropertyBlackListed(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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return QQuickDesignerSupportProperties::allPropertyNames(object, baseName, inspectedObjects);
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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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return QQuickDesignerSupportProperties::propertyNameListForWritableProperties(object, baseName, inspectedObjects);
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}
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void tweakObjects(QObject *object)
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{
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QQuickDesignerSupportItems::tweakObjects(object);
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}
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void createNewDynamicProperty(QObject *object, QQmlEngine *engine, const QString &name)
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{
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QQuickDesignerSupportProperties::createNewDynamicProperty(object, engine, name);
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}
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void registerNodeInstanceMetaObject(QObject *object, QQmlEngine *engine)
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{
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QQuickDesignerSupportProperties::registerNodeInstanceMetaObject(object, engine);
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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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return QQuickDesignerSupportItems::createPrimitive(typeName, majorNumber, minorNumber, context);
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}
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static QString qmlDesignerRCPath()
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{
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static const QString qmlDesignerRcPathsString = QString::fromLocal8Bit(
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qgetenv("QMLDESIGNER_RC_PATHS"));
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return qmlDesignerRcPathsString;
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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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if (!qmlDesignerRCPath().isEmpty()) {
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const QStringList searchPaths = qmlDesignerRCPath().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::exists(fixedPath)) {
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fixedPath.replace(QLatin1String("//"), QLatin1String("/"));
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fixedPath.replace(QLatin1Char('\\'), QLatin1Char('/'));
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return QUrl::fromLocalFile(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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if (!qmlDesignerRCPath().isEmpty()) {
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const QStringList searchPaths = qmlDesignerRCPath().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::exists(fixedPath)) {
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fixedPath.replace(QLatin1String("//"), QLatin1String("/"));
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fixedPath.replace(QLatin1Char('\\'), QLatin1Char('/'));
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return QUrl::fromLocalFile(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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static void fixResourcePathsForObject(QObject *object)
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{
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if (qmlDesignerRCPath().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, QString::fromUtf8(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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QObject *createComponent(const QUrl &componentUrl, QQmlContext *context)
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{
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return QQuickDesignerSupportItems::createComponent(componentUrl, context);
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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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QQuickDesignerSupportProperties::registerCustomData(object);
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}
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QVariant getResetValue(QObject *object, const PropertyName &propertyName)
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{
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if (propertyName == "Layout.rowSpan")
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return 1;
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else if (propertyName == "Layout.columnSpan")
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return 1;
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else if (propertyName == "Layout.fillHeight")
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return false;
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else if (propertyName == "Layout.fillWidth")
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return false;
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else
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return QQuickDesignerSupportProperties::getResetValue(object, propertyName);
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}
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static void setProperty(QObject *object, QQmlContext *context, const PropertyName &propertyName, const QVariant &value)
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{
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QQmlProperty property(object, QString::fromUtf8(propertyName), context);
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property.write(value);
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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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if (propertyName == "Layout.rowSpan")
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setProperty(object, context, propertyName, getResetValue(object, propertyName));
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else if (propertyName == "Layout.columnSpan")
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setProperty(object, context, propertyName, getResetValue(object, propertyName));
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else if (propertyName == "Layout.fillHeight")
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setProperty(object, context, propertyName, getResetValue(object, propertyName));
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else if (propertyName == "Layout.fillWidth")
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setProperty(object, context, propertyName, getResetValue(object, propertyName));
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else
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QQuickDesignerSupportProperties::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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if (propertyName == "Layout.rowSpan")
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return true;
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else if (propertyName == "Layout.columnSpan")
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return true;
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else if (propertyName == "Layout.fillHeight")
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return true;
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else if (propertyName == "Layout.fillWidth")
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return true;
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return QQuickDesignerSupportProperties::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 QQuickDesignerSupportProperties::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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QQuickDesignerSupportProperties::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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void keepBindingFromGettingDeleted(QObject *object, QQmlContext *context, const PropertyName &propertyName)
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{
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QQuickDesignerSupportProperties::keepBindingFromGettingDeleted(object, context, propertyName);
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}
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bool objectWasDeleted(QObject *object)
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{
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return QQuickDesignerSupportItems::objectWasDeleted(object);
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}
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void disableNativeTextRendering(QQuickItem *item)
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{
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QQuickDesignerSupportItems::disableNativeTextRendering(item);
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}
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void disableTextCursor(QQuickItem *item)
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{
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QQuickDesignerSupportItems::disableTextCursor(item);
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}
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void disableTransition(QObject *object)
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{
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QQuickDesignerSupportItems::disableTransition(object);
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}
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void disableBehaivour(QObject *object)
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{
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QQuickDesignerSupportItems::disableBehaivour(object);
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}
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void stopUnifiedTimer()
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{
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QQuickDesignerSupportItems::stopUnifiedTimer();
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}
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bool isPropertyQObject(const QMetaProperty &metaProperty)
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{
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return QQuickDesignerSupportProperties::isPropertyQObject(metaProperty);
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}
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QObject *readQObjectProperty(const QMetaProperty &metaProperty, QObject *object)
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{
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return QQuickDesignerSupportProperties::readQObjectProperty(metaProperty, object);
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}
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namespace States {
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bool isStateActive(QObject *object, QQmlContext *context)
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{
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return QQuickDesignerSupportStates::isStateActive(object, context);
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}
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void activateState(QObject *object, QQmlContext *context)
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{
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QQuickDesignerSupportStates::activateState(object, context);
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}
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void deactivateState(QObject *object)
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{
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QQuickDesignerSupportStates::deactivateState(object);
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}
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bool changeValueInRevertList(QObject *state, QObject *target, const PropertyName &propertyName, const QVariant &value)
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{
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return QQuickDesignerSupportStates::changeValueInRevertList(state, target, propertyName, value);
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}
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bool updateStateBinding(QObject *state, QObject *target, const PropertyName &propertyName, const QString &expression)
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{
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return QQuickDesignerSupportStates::updateStateBinding(state, target, propertyName, expression);
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}
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bool resetStateProperty(QObject *state, QObject *target, const PropertyName &propertyName, const QVariant &value)
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{
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return QQuickDesignerSupportStates::resetStateProperty(state, target, propertyName, value);
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}
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} //namespace States
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namespace PropertyChanges {
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void detachFromState(QObject *propertyChanges)
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{
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return QQuickDesignerSupportPropertyChanges::detachFromState(propertyChanges);
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}
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void attachToState(QObject *propertyChanges)
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{
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return QQuickDesignerSupportPropertyChanges::attachToState(propertyChanges);
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}
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QObject *targetObject(QObject *propertyChanges)
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{
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return QQuickDesignerSupportPropertyChanges::targetObject(propertyChanges);
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}
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void removeProperty(QObject *propertyChanges, const PropertyName &propertyName)
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{
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QQuickDesignerSupportPropertyChanges::removeProperty(propertyChanges, propertyName);
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}
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QVariant getProperty(QObject *propertyChanges, const PropertyName &propertyName)
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{
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return QQuickDesignerSupportPropertyChanges::getProperty(propertyChanges, propertyName);
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}
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void changeValue(QObject *propertyChanges, const PropertyName &propertyName, const QVariant &value)
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{
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QQuickDesignerSupportPropertyChanges::changeValue(propertyChanges, propertyName, value);
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}
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void changeExpression(QObject *propertyChanges, const PropertyName &propertyName, const QString &expression)
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{
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QQuickDesignerSupportPropertyChanges::changeExpression(propertyChanges, propertyName, expression);
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}
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QObject *stateObject(QObject *propertyChanges)
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{
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return QQuickDesignerSupportPropertyChanges::stateObject(propertyChanges);
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}
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bool isNormalProperty(const PropertyName &propertyName)
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{
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return QQuickDesignerSupportPropertyChanges::isNormalProperty(propertyName);
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}
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} // namespace PropertyChanges
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bool isSubclassOf(QObject *object, const QByteArray &superTypeName)
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{
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return QQuickDesignerSupportMetaInfo::isSubclassOf(object, superTypeName);
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}
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void getPropertyCache(QObject *object, QQmlEngine *engine)
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{
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QQuickDesignerSupportProperties::getPropertyCache(object, engine);
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}
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void registerNotifyPropertyChangeCallBack(void (*callback)(QObject *, const PropertyName &))
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{
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QQuickDesignerSupportMetaInfo::registerNotifyPropertyChangeCallBack(callback);
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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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class QrcEngineHandler : public QAbstractFileEngineHandler
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{
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public:
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QAbstractFileEngine *create(const QString &fileName) const;
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};
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QAbstractFileEngine *QrcEngineHandler::create(const QString &fileName) const
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{
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if (fileName.startsWith(":/qt-project.org"))
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return nullptr;
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if (fileName.startsWith(":/qtquickplugin"))
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return nullptr;
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if (fileName.startsWith(":/")) {
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const QStringList searchPaths = qmlDesignerRCPath().split(';');
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foreach (const QString &qrcPath, searchPaths) {
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const QStringList qrcDefintion = qrcPath.split('=');
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if (qrcDefintion.count() == 2) {
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QString fixedPath = fileName;
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fixedPath.replace(":" + qrcDefintion.first(), qrcDefintion.last() + '/');
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if (fileName == fixedPath)
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return nullptr;
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if (QFileInfo::exists(fixedPath)) {
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fixedPath.replace("//", "/");
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fixedPath.replace('\\', '/');
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return new QFSFileEngine(fixedPath);
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}
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}
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}
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}
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return nullptr;
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}
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static QrcEngineHandler* s_qrcEngineHandler = nullptr;
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class EngineHandlerDeleter
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{
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public:
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EngineHandlerDeleter()
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{}
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~EngineHandlerDeleter()
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{ delete s_qrcEngineHandler; }
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};
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void registerFixResourcePathsForObjectCallBack()
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{
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static EngineHandlerDeleter deleter;
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if (!s_qrcEngineHandler)
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s_qrcEngineHandler = new QrcEngineHandler();
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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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