forked from qt-creator/qt-creator
f86eb9b78c
No need to use private API in QuickItemNodeInstance. Change-Id: I5450ea41571c2787081cc88f59494a28eea5546c Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>
789 lines
22 KiB
C++
789 lines
22 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 "quickitemnodeinstance.h"
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#include "qt5nodeinstanceserver.h"
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#include <qmlprivategate.h>
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#include <QQmlProperty>
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#include <QQmlExpression>
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#include <QQuickView>
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#include <cmath>
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#include <QHash>
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#include <QDebug>
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namespace QmlDesigner {
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namespace Internal {
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bool QuickItemNodeInstance::s_createEffectItem = false;
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QuickItemNodeInstance::QuickItemNodeInstance(QQuickItem *item)
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: ObjectNodeInstance(item),
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m_isResizable(true),
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m_isMovable(true),
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m_hasHeight(false),
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m_hasWidth(false),
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m_hasContent(true),
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m_x(0.0),
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m_y(0.0),
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m_width(0.0),
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m_height(0.0)
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{
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}
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QuickItemNodeInstance::~QuickItemNodeInstance()
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{
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if (quickItem())
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designerSupport()->derefFromEffectItem(quickItem());
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}
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static bool isContentItem(QQuickItem *item, NodeInstanceServer *nodeInstanceServer)
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{
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return item->parentItem()
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&& nodeInstanceServer->hasInstanceForObject(item->parentItem())
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&& nodeInstanceServer->instanceForObject(item->parentItem()).internalInstance()->contentItem() == item;
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}
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static QTransform transformForItem(QQuickItem *item, NodeInstanceServer *nodeInstanceServer)
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{
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if (isContentItem(item, nodeInstanceServer))
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return QTransform();
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QTransform toParentTransform = DesignerSupport::parentTransform(item);
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if (item->parentItem() && !nodeInstanceServer->hasInstanceForObject(item->parentItem())) {
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return transformForItem(item->parentItem(), nodeInstanceServer) * toParentTransform;
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}
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return toParentTransform;
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}
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QTransform QuickItemNodeInstance::transform() const
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{ if (quickItem()->parentItem())
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return DesignerSupport::parentTransform(quickItem());
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return QTransform();
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}
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QObject *QuickItemNodeInstance::parent() const
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{
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if (!quickItem() || !quickItem()->parentItem())
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return 0;
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return quickItem()->parentItem();
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}
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QList<ServerNodeInstance> QuickItemNodeInstance::childItems() const
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{
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QList<ServerNodeInstance> instanceList;
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foreach (QQuickItem *childItem, quickItem()->childItems())
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{
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if (childItem && nodeInstanceServer()->hasInstanceForObject(childItem)) {
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instanceList.append(nodeInstanceServer()->instanceForObject(childItem));
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} else { //there might be an item in between the parent instance
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//and the child instance.
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//Popular example is flickable which has a viewport item between
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//the flickable item and the flickable children
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instanceList.append(childItemsForChild(childItem)); //In such a case we go deeper inside the item and
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//search for child items with instances.
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}
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}
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return instanceList;
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}
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bool QuickItemNodeInstance::isMovable() const
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{
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if (isRootNodeInstance())
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return false;
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return m_isMovable && quickItem() && quickItem()->parentItem();
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}
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void QuickItemNodeInstance::setMovable(bool movable)
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{
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m_isMovable = movable;
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}
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QuickItemNodeInstance::Pointer QuickItemNodeInstance::create(QObject *object)
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{
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QQuickItem *quickItem = qobject_cast<QQuickItem*>(object);
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Q_ASSERT(quickItem);
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Pointer instance(new QuickItemNodeInstance(quickItem));
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instance->setHasContent(anyItemHasContent(quickItem));
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quickItem->setFlag(QQuickItem::ItemHasContents, true);
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static_cast<QQmlParserStatus*>(quickItem)->classBegin();
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instance->populateResetHashes();
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return instance;
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}
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void QuickItemNodeInstance::createEffectItem(bool createEffectItem)
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{
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s_createEffectItem = createEffectItem;
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}
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void QuickItemNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNodeInstance)
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{
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if (instanceId() == 0) {
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DesignerSupport::setRootItem(nodeInstanceServer()->quickView(), quickItem());
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} else {
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quickItem()->setParentItem(qobject_cast<QQuickItem*>(nodeInstanceServer()->quickView()->rootObject()));
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}
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if (s_createEffectItem || instanceId() == 0)
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designerSupport()->refFromEffectItem(quickItem());
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ObjectNodeInstance::initialize(objectNodeInstance);
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quickItem()->update();
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}
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QQuickItem *QuickItemNodeInstance::contentItem() const
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{
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return m_contentItem.data();
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}
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bool QuickItemNodeInstance::hasContent() const
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{
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if (m_hasContent)
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return true;
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return childItemsHaveContent(quickItem());
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}
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void QuickItemNodeInstance::doComponentComplete()
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{
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ObjectNodeInstance::doComponentComplete();
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QQmlProperty contentItemProperty(quickItem(), "contentItem", engine());
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if (contentItemProperty.isValid())
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m_contentItem = contentItemProperty.read().value<QQuickItem*>();
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QmlPrivateGate::disableTextCursor(quickItem());
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DesignerSupport::emitComponentCompleteSignalForAttachedProperty(quickItem());
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quickItem()->update();
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}
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static QList<QQuickItem *> allChildItemsRecursive(QQuickItem *parentItem)
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{
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QList<QQuickItem *> itemList;
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itemList.append(parentItem->childItems());
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foreach (QQuickItem *childItem, parentItem->childItems())
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itemList.append(allChildItemsRecursive(childItem));
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return itemList;
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}
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QList<QQuickItem *> QuickItemNodeInstance::allItemsRecursive() const
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{
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QList<QQuickItem *> itemList;
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if (quickItem()) {
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if (quickItem()->parentItem())
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itemList.append(quickItem()->parentItem());
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itemList.append(quickItem());
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itemList.append(allChildItemsRecursive(quickItem()));
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}
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return itemList;
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}
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QRectF QuickItemNodeInstance::contentItemBoundingBox() const
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{
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if (contentItem()) {
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QTransform contentItemTransform = DesignerSupport::parentTransform(contentItem());
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return contentItemTransform.mapRect(contentItem()->boundingRect());
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}
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return QRectF();
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}
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QRectF QuickItemNodeInstance::boundingRect() const
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{
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if (quickItem()) {
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if (quickItem()->clip()) {
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return quickItem()->boundingRect();
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} else {
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return boundingRectWithStepChilds(quickItem());
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}
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}
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return QRectF();
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}
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static QTransform contentTransformForItem(QQuickItem *item, NodeInstanceServer *nodeInstanceServer)
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{
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QTransform contentTransform;
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if (item->parentItem() && !nodeInstanceServer->hasInstanceForObject(item->parentItem())) {
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contentTransform = DesignerSupport::parentTransform(item->parentItem());
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return contentTransformForItem(item->parentItem(), nodeInstanceServer) * contentTransform;
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}
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return contentTransform;
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}
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QTransform QuickItemNodeInstance::contentTransform() const
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{
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return contentTransformForItem(quickItem(), nodeInstanceServer());
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}
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QTransform QuickItemNodeInstance::sceneTransform() const
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{
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return DesignerSupport::windowTransform(quickItem());
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}
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double QuickItemNodeInstance::opacity() const
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{
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return quickItem()->opacity();
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}
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double QuickItemNodeInstance::rotation() const
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{
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return quickItem()->rotation();
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}
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double QuickItemNodeInstance::scale() const
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{
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return quickItem()->scale();
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}
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QPointF QuickItemNodeInstance::transformOriginPoint() const
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{
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return quickItem()->transformOriginPoint();
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}
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double QuickItemNodeInstance::zValue() const
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{
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return quickItem()->z();
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}
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QPointF QuickItemNodeInstance::position() const
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{
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return quickItem()->position();
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}
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QSizeF QuickItemNodeInstance::size() const
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{
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double width;
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if (DesignerSupport::isValidHeight(quickItem())) { // isValidHeight is QQuickItemPrivate::get(item)->widthValid
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width = quickItem()->width();
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} else {
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width = quickItem()->implicitWidth();
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}
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double height;
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if (DesignerSupport::isValidWidth(quickItem())) { // isValidWidth is QQuickItemPrivate::get(item)->heightValid
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height = quickItem()->height();
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} else {
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height = quickItem()->implicitHeight();
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}
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return QSizeF(width, height);
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}
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static QTransform contentItemTransformForItem(QQuickItem *item, NodeInstanceServer *nodeInstanceServer)
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{
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QTransform toParentTransform = DesignerSupport::parentTransform(item);
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if (item->parentItem() && !nodeInstanceServer->hasInstanceForObject(item->parentItem())) {
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return transformForItem(item->parentItem(), nodeInstanceServer) * toParentTransform;
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}
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return toParentTransform;
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}
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QTransform QuickItemNodeInstance::contentItemTransform() const
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{
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if (contentItem())
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return contentItemTransformForItem(contentItem(), nodeInstanceServer());
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return QTransform();
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}
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int QuickItemNodeInstance::penWidth() const
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{
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return DesignerSupport::borderWidth(quickItem());
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}
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double QuickItemNodeInstance::x() const
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{
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return m_x;
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}
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double QuickItemNodeInstance::y() const
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{
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return m_y;
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}
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QImage QuickItemNodeInstance::renderImage() const
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{
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updateDirtyNodesRecursive(quickItem());
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QRectF renderBoundingRect = boundingRect();
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QImage renderImage = designerSupport()->renderImageForItem(quickItem(), renderBoundingRect, renderBoundingRect.size().toSize());
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return renderImage;
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}
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QImage QuickItemNodeInstance::renderPreviewImage(const QSize &previewImageSize) const
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{
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QRectF previewItemBoundingRect = boundingRect();
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if (previewItemBoundingRect.isValid() && quickItem()) {
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if (quickItem()->isVisible()) {
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return designerSupport()->renderImageForItem(quickItem(), previewItemBoundingRect, previewImageSize);
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} else {
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QImage transparentImage(previewImageSize, QImage::Format_ARGB32_Premultiplied);
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transparentImage.fill(Qt::transparent);
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return transparentImage;
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}
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}
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return QImage();
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}
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void QuickItemNodeInstance::updateAllDirtyNodesRecursive()
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{
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updateAllDirtyNodesRecursive(quickItem());
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}
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bool QuickItemNodeInstance::isQuickItem() const
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{
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return true;
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}
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QList<ServerNodeInstance> QuickItemNodeInstance::stateInstances() const
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{
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QList<ServerNodeInstance> instanceList;
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QList<QObject*> stateList = DesignerSupport::statesForItem(quickItem());
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foreach (QObject *state, stateList)
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{
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if (state && nodeInstanceServer()->hasInstanceForObject(state))
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instanceList.append(nodeInstanceServer()->instanceForObject(state));
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}
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return instanceList;
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}
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bool QuickItemNodeInstance::isResizable() const
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{
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if (isRootNodeInstance())
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return false;
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return m_isResizable && quickItem() && quickItem()->parentItem();
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}
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void QuickItemNodeInstance::setResizable(bool resizable)
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{
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m_isResizable = resizable;
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}
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void QuickItemNodeInstance::setHasContent(bool hasContent)
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{
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m_hasContent = hasContent;
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}
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DesignerSupport *QuickItemNodeInstance::designerSupport() const
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{
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return qt5NodeInstanceServer()->designerSupport();
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}
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Qt5NodeInstanceServer *QuickItemNodeInstance::qt5NodeInstanceServer() const
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{
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return qobject_cast<Qt5NodeInstanceServer*>(nodeInstanceServer());
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}
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void QuickItemNodeInstance::updateDirtyNodesRecursive(QQuickItem *parentItem) const
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{
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foreach (QQuickItem *childItem, parentItem->childItems()) {
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if (!nodeInstanceServer()->hasInstanceForObject(childItem))
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updateDirtyNodesRecursive(childItem);
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}
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QmlPrivateGate::disableNativeTextRendering(parentItem);
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DesignerSupport::updateDirtyNode(parentItem);
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}
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void QuickItemNodeInstance::updateAllDirtyNodesRecursive(QQuickItem *parentItem) const
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{
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foreach (QQuickItem *childItem, parentItem->childItems())
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updateAllDirtyNodesRecursive(childItem);
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DesignerSupport::updateDirtyNode(parentItem);
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}
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static inline bool isRectangleSane(const QRectF &rect)
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{
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return rect.isValid() && (rect.width() < 10000) && (rect.height() < 10000);
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}
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QRectF QuickItemNodeInstance::boundingRectWithStepChilds(QQuickItem *parentItem) const
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{
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QRectF boundingRect = parentItem->boundingRect();
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foreach (QQuickItem *childItem, parentItem->childItems()) {
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if (!nodeInstanceServer()->hasInstanceForObject(childItem)) {
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QRectF transformedRect = childItem->mapRectToItem(parentItem, boundingRectWithStepChilds(childItem));
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if (isRectangleSane(transformedRect))
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boundingRect = boundingRect.united(transformedRect);
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}
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}
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return boundingRect;
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}
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void QuickItemNodeInstance::resetHorizontal()
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{
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setPropertyVariant("x", m_x);
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if (m_width > 0.0) {
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setPropertyVariant("width", m_width);
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} else {
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setPropertyVariant("width", quickItem()->implicitWidth());
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}
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}
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void QuickItemNodeInstance::resetVertical()
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{
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setPropertyVariant("y", m_y);
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if (m_height > 0.0) {
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setPropertyVariant("height", m_height);
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} else {
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setPropertyVariant("height", quickItem()->implicitHeight());
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}
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}
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QList<ServerNodeInstance> QuickItemNodeInstance::childItemsForChild(QQuickItem *item) const
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{
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QList<ServerNodeInstance> instanceList;
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if (item) {
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foreach (QQuickItem *childItem, item->childItems())
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{
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if (childItem && nodeInstanceServer()->hasInstanceForObject(childItem)) {
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instanceList.append(nodeInstanceServer()->instanceForObject(childItem));
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} else {
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instanceList.append(childItemsForChild(childItem));
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}
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}
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}
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return instanceList;
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}
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static void repositioning(QQuickItem *item)
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{
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if (!item)
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return;
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// QQmlBasePositioner *positioner = qobject_cast<QQmlBasePositioner*>(item);
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// if (positioner)
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// positioner->rePositioning();
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if (item->parentItem())
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repositioning(item->parentItem());
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}
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void QuickItemNodeInstance::refresh()
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{
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repositioning(quickItem());
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}
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bool QuickItemNodeInstance::anyItemHasContent(QQuickItem *quickItem)
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{
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if (quickItem->flags().testFlag(QQuickItem::ItemHasContents))
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return true;
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foreach (QQuickItem *childItem, quickItem->childItems()) {
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if (anyItemHasContent(childItem))
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return true;
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}
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return false;
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}
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bool QuickItemNodeInstance::childItemsHaveContent(QQuickItem *quickItem)
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{
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foreach (QQuickItem *childItem, quickItem->childItems()) {
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if (anyItemHasContent(childItem))
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return true;
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}
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return false;
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}
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static bool instanceIsValidLayoutable(const ObjectNodeInstance::Pointer &instance, const PropertyName &propertyName)
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{
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return instance && instance->isLayoutable() && !instance->ignoredProperties().contains(propertyName);
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}
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void QuickItemNodeInstance::reparent(const ObjectNodeInstance::Pointer &oldParentInstance, const PropertyName &oldParentProperty, const ObjectNodeInstance::Pointer &newParentInstance, const PropertyName &newParentProperty)
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{
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if (instanceIsValidLayoutable(oldParentInstance, oldParentProperty)) {
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setInLayoutable(false);
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setMovable(true);
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}
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ObjectNodeInstance::reparent(oldParentInstance, oldParentProperty, newParentInstance, newParentProperty);
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if (instanceIsValidLayoutable(newParentInstance, newParentProperty)) {
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setInLayoutable(true);
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setMovable(false);
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}
|
|
|
|
if (instanceIsValidLayoutable(oldParentInstance, oldParentProperty) && !instanceIsValidLayoutable(newParentInstance, newParentProperty)) {
|
|
if (!hasBindingForProperty("x"))
|
|
setPropertyVariant("x", x());
|
|
|
|
if (!hasBindingForProperty("y"))
|
|
setPropertyVariant("y", y());
|
|
}
|
|
|
|
refresh();
|
|
DesignerSupport::updateDirtyNode(quickItem());
|
|
|
|
if (instanceIsValidLayoutable(oldParentInstance, oldParentProperty))
|
|
oldParentInstance->refreshLayoutable();
|
|
|
|
if (instanceIsValidLayoutable(newParentInstance, newParentProperty))
|
|
newParentInstance->refreshLayoutable();
|
|
}
|
|
|
|
void QuickItemNodeInstance::setPropertyVariant(const PropertyName &name, const QVariant &value)
|
|
{
|
|
if (ignoredProperties().contains(name))
|
|
return;
|
|
|
|
if (name == "state")
|
|
return; // states are only set by us
|
|
|
|
if (name == "height") {
|
|
m_height = value.toDouble();
|
|
if (value.isValid())
|
|
m_hasHeight = true;
|
|
else
|
|
m_hasHeight = false;
|
|
}
|
|
|
|
if (name == "width") {
|
|
m_width = value.toDouble();
|
|
if (value.isValid())
|
|
m_hasWidth = true;
|
|
else
|
|
m_hasWidth = false;
|
|
}
|
|
|
|
if (name == "x")
|
|
m_x = value.toDouble();
|
|
|
|
if (name == "y")
|
|
m_y = value.toDouble();
|
|
|
|
ObjectNodeInstance::setPropertyVariant(name, value);
|
|
|
|
refresh();
|
|
|
|
if (isInLayoutable())
|
|
parentInstance()->refreshLayoutable();
|
|
}
|
|
|
|
void QuickItemNodeInstance::setPropertyBinding(const PropertyName &name, const QString &expression)
|
|
{
|
|
if (ignoredProperties().contains(name))
|
|
return;
|
|
|
|
if (name == "state")
|
|
return; // states are only set by us
|
|
|
|
if (name.startsWith("anchors.") && isRootNodeInstance())
|
|
return;
|
|
|
|
ObjectNodeInstance::setPropertyBinding(name, expression);
|
|
|
|
refresh();
|
|
|
|
if (isInLayoutable())
|
|
parentInstance()->refreshLayoutable();
|
|
}
|
|
|
|
QVariant QuickItemNodeInstance::property(const PropertyName &name) const
|
|
{
|
|
if (ignoredProperties().contains(name))
|
|
return QVariant();
|
|
|
|
if (name == "visible")
|
|
return quickItem()->isVisible();
|
|
|
|
return ObjectNodeInstance::property(name);
|
|
}
|
|
|
|
void QuickItemNodeInstance::resetProperty(const PropertyName &name)
|
|
{
|
|
if (ignoredProperties().contains(name))
|
|
return;
|
|
|
|
if (name == "height") {
|
|
m_hasHeight = false;
|
|
m_height = 0.0;
|
|
}
|
|
|
|
if (name == "width") {
|
|
m_hasWidth = false;
|
|
m_width = 0.0;
|
|
}
|
|
|
|
if (name == "x")
|
|
m_x = 0.0;
|
|
|
|
if (name == "y")
|
|
m_y = 0.0;
|
|
|
|
DesignerSupport::resetAnchor(quickItem(), name);
|
|
|
|
if (name == "anchors.fill") {
|
|
resetHorizontal();
|
|
resetVertical();
|
|
} else if (name == "anchors.centerIn") {
|
|
resetHorizontal();
|
|
resetVertical();
|
|
} else if (name == "anchors.top") {
|
|
resetVertical();
|
|
} else if (name == "anchors.left") {
|
|
resetHorizontal();
|
|
} else if (name == "anchors.right") {
|
|
resetHorizontal();
|
|
} else if (name == "anchors.bottom") {
|
|
resetVertical();
|
|
} else if (name == "anchors.horizontalCenter") {
|
|
resetHorizontal();
|
|
} else if (name == "anchors.verticalCenter") {
|
|
resetVertical();
|
|
} else if (name == "anchors.baseline") {
|
|
resetVertical();
|
|
}
|
|
|
|
ObjectNodeInstance::resetProperty(name);
|
|
|
|
if (isInLayoutable())
|
|
parentInstance()->refreshLayoutable();
|
|
}
|
|
|
|
bool QuickItemNodeInstance::isAnchoredByChildren() const
|
|
{
|
|
return DesignerSupport::areChildrenAnchoredTo(quickItem(), quickItem());
|
|
}
|
|
|
|
bool QuickItemNodeInstance::hasAnchor(const PropertyName &name) const
|
|
{
|
|
return DesignerSupport::hasAnchor(quickItem(), name);
|
|
}
|
|
|
|
static bool isValidAnchorName(const PropertyName &name)
|
|
{
|
|
static PropertyNameList anchorNameList(PropertyNameList() << "anchors.top"
|
|
<< "anchors.left"
|
|
<< "anchors.right"
|
|
<< "anchors.bottom"
|
|
<< "anchors.verticalCenter"
|
|
<< "anchors.horizontalCenter"
|
|
<< "anchors.fill"
|
|
<< "anchors.centerIn"
|
|
<< "anchors.baseline");
|
|
|
|
return anchorNameList.contains(name);
|
|
}
|
|
|
|
QPair<PropertyName, ServerNodeInstance> QuickItemNodeInstance::anchor(const PropertyName &name) const
|
|
{
|
|
if (!isValidAnchorName(name) || !DesignerSupport::hasAnchor(quickItem(), name))
|
|
return ObjectNodeInstance::anchor(name);
|
|
|
|
QPair<QString, QObject*> nameObjectPair = DesignerSupport::anchorLineTarget(quickItem(), name, context());
|
|
|
|
QObject *targetObject = nameObjectPair.second;
|
|
PropertyName targetName = nameObjectPair.first.toUtf8();
|
|
|
|
while (targetObject) {
|
|
if (nodeInstanceServer()->hasInstanceForObject(targetObject))
|
|
return qMakePair(targetName, nodeInstanceServer()->instanceForObject(targetObject));
|
|
else
|
|
targetObject = parentObject(targetObject);
|
|
}
|
|
|
|
return ObjectNodeInstance::anchor(name);
|
|
}
|
|
|
|
bool QuickItemNodeInstance::isAnchoredBySibling() const
|
|
{
|
|
if (quickItem()->parentItem()) {
|
|
foreach (QQuickItem *siblingItem, quickItem()->parentItem()->childItems()) { // search in siblings for a anchor to this item
|
|
if (siblingItem) {
|
|
if (DesignerSupport::isAnchoredTo(siblingItem, quickItem()))
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
QQuickItem *QuickItemNodeInstance::quickItem() const
|
|
{
|
|
if (object() == 0)
|
|
return 0;
|
|
|
|
return static_cast<QQuickItem*>(object());
|
|
}
|
|
|
|
} // namespace Internal
|
|
} // namespace QmlDesigner
|
|
|