forked from qt-creator/qt-creator
a322bd606f
Change-Id: I61e7cf189a1c4ea04e2a88a80a4f15e43cd3c018 Reviewed-on: http://codereview.qt.nokia.com/1187 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Eike Ziller <eike.ziller@nokia.com>
596 lines
15 KiB
C++
596 lines
15 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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** No Commercial Usage
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**
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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**
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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 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt 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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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "sgitemnodeinstance.h"
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#if QT_VERSION >= 0x050000
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#include "qt5nodeinstanceserver.h"
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#include <QDeclarativeExpression>
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#include <QSGView>
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#include <cmath>
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#include <QHash>
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#include <QtDebug>
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namespace QmlDesigner {
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namespace Internal {
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SGItemNodeInstance::SGItemNodeInstance(QSGItem *item)
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: ObjectNodeInstance(item),
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m_hasHeight(false),
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m_hasWidth(false),
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m_isResizable(true),
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m_hasContent(true),
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m_isMovable(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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SGItemNodeInstance::~SGItemNodeInstance()
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{
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if (sgItem())
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designerSupport()->derefFromEffectItem(sgItem());
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}
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bool SGItemNodeInstance::hasContent() const
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{
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return m_hasContent;
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}
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QList<ServerNodeInstance> SGItemNodeInstance::childItems() const
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{
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QList<ServerNodeInstance> instanceList;
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foreach (QSGItem *childItem, sgItem()->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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QList<ServerNodeInstance> SGItemNodeInstance::childItemsForChild(QSGItem *childItem) const
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{
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QList<ServerNodeInstance> instanceList;
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if (childItem) {
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foreach (QSGItem *childItem, childItem->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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void SGItemNodeInstance::setHasContent(bool hasContent)
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{
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m_hasContent = hasContent;
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}
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bool anyItemHasContent(QSGItem *graphicsItem)
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{
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if (graphicsItem->flags().testFlag(QSGItem::ItemHasContents))
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return true;
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foreach (QSGItem *childItem, graphicsItem->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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QPointF SGItemNodeInstance::position() const
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{
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return sgItem()->pos();
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}
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QTransform SGItemNodeInstance::transform() const
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{
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return DesignerSupport::parentTransform(sgItem());
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}
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QTransform SGItemNodeInstance::customTransform() const
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{
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return QTransform();
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}
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QTransform SGItemNodeInstance::sceneTransform() const
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{
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return DesignerSupport::canvasTransform(sgItem());
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}
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double SGItemNodeInstance::rotation() const
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{
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return sgItem()->rotation();
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}
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double SGItemNodeInstance::scale() const
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{
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return sgItem()->scale();
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}
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QPointF SGItemNodeInstance::transformOriginPoint() const
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{
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return sgItem()->transformOriginPoint();
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}
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double SGItemNodeInstance::zValue() const
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{
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return sgItem()->z();
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}
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double SGItemNodeInstance::opacity() const
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{
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return sgItem()->opacity();
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}
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QObject *SGItemNodeInstance::parent() const
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{
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if (!sgItem() || !sgItem()->parentItem())
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return 0;
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return sgItem()->parentItem();
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}
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bool SGItemNodeInstance::equalSGItem(QSGItem *item) const
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{
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return item == sgItem();
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}
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QImage SGItemNodeInstance::renderImage() const
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{
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return designerSupport()->renderImageForItem(sgItem());
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}
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bool SGItemNodeInstance::isMovable() const
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{
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return m_isMovable && sgItem() && sgItem()->parentItem();
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}
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void SGItemNodeInstance::setMovable(bool movable)
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{
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m_isMovable = movable;
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}
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SGItemNodeInstance::Pointer SGItemNodeInstance::create(QObject *object)
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{
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QSGItem *sgItem = qobject_cast<QSGItem*>(object);
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Q_ASSERT(sgItem);
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Pointer instance(new SGItemNodeInstance(sgItem));
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instance->setHasContent(anyItemHasContent(sgItem));
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sgItem->setFlag(QSGItem::ItemHasContents, true);
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static_cast<QDeclarativeParserStatus*>(sgItem)->classBegin();
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instance->populateResetValueHash();
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return instance;
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}
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void SGItemNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNodeInstance)
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{
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if (instanceId() == 0) {
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DesignerSupport::setRootItem(nodeInstanceServer()->sgView(), sgItem());
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} else {
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sgItem()->setParentItem(qobject_cast<QSGItem*>(nodeInstanceServer()->sgView()->rootObject()));
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}
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designerSupport()->refFromEffectItem(sgItem());
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ObjectNodeInstance::initialize(objectNodeInstance);
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sgItem()->update();
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}
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bool SGItemNodeInstance::isSGItem() const
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{
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return true;
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}
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QSizeF SGItemNodeInstance::size() const
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{
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double width;
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if (QSGItemPrivate::get(sgItem())->widthValid) {
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width = sgItem()->width();
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} else {
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width = sgItem()->implicitWidth();
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}
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double height;
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if (QSGItemPrivate::get(sgItem())->heightValid) {
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height = sgItem()->height();
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} else {
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height = sgItem()->implicitHeight();
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}
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return QSizeF(width, height);
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}
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QRectF SGItemNodeInstance::boundingRectWithStepChilds(QSGItem *parentItem) const
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{
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QRectF boundingRect = parentItem->boundingRect();
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foreach (QSGItem *childItem, parentItem->childItems()) {
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if (nodeInstanceServer()->hasInstanceForObject(childItem)) {
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QRectF transformedRect = childItem->mapRectToItem(parentItem, childItemBoundingRect(childItem));
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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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QRectF SGItemNodeInstance::boundingRect() const
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{
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if (sgItem()) {
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if (sgItem()->clip()) {
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return sgItem()->boundingRect();
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} else {
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return boundingRectWithStepChilds();
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}
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}
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return QRectF();
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}
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void SGItemNodeInstance::setPropertyVariant(const QString &name, const QVariant &value)
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{
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if (name == "state")
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return; // states are only set by us
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if (name == "height") {
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m_height = value.toDouble();
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if (value.isValid())
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m_hasHeight = true;
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else
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m_hasHeight = false;
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}
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if (name == "width") {
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m_width = value.toDouble();
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if (value.isValid())
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m_hasWidth = true;
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else
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m_hasWidth = false;
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}
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if (name == "x")
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m_x = value.toDouble();
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if (name == "y")
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m_y = value.toDouble();
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ObjectNodeInstance::setPropertyVariant(name, value);
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refresh();
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}
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void SGItemNodeInstance::setPropertyBinding(const QString &name, const QString &expression)
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{
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if (name == "state")
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return; // states are only set by us
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ObjectNodeInstance::setPropertyBinding(name, expression);
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}
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QVariant SGItemNodeInstance::property(const QString &name) const
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{
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return ObjectNodeInstance::property(name);
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}
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void SGItemNodeInstance::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", sgItem()->implicitWidth());
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}
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}
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void SGItemNodeInstance::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", sgItem()->implicitWidth());
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}
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}
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static void repositioning(QSGItem *item)
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{
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if (!item)
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return;
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// QDeclarativeBasePositioner *positioner = qobject_cast<QDeclarativeBasePositioner*>(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 SGItemNodeInstance::refresh()
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{
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repositioning(sgItem());
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}
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void SGItemNodeInstance::doComponentComplete()
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{
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if (sgItem()) {
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if (DesignerSupport::isComponentComplete(sgItem()))
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return;
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static_cast<QDeclarativeParserStatus*>(sgItem())->componentComplete();
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}
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sgItem()->update();
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}
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bool SGItemNodeInstance::isResizable() const
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{
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return m_isResizable && sgItem() && sgItem()->parentItem();
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}
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void SGItemNodeInstance::setResizable(bool resizeable)
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{
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m_isResizable = resizeable;
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}
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int SGItemNodeInstance::penWidth() const
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{
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return DesignerSupport::borderWidth(sgItem());
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}
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void SGItemNodeInstance::resetProperty(const QString &name)
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{
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if (name == "height") {
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m_hasHeight = false;
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m_height = 0.0;
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}
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if (name == "width") {
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m_hasWidth = false;
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m_width = 0.0;
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}
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if (name == "x")
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m_x = 0.0;
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if (name == "y")
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m_y = 0.0;
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DesignerSupport::resetAnchor(sgItem(), name);
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if (name == "anchors.fill") {
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resetHorizontal();
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resetVertical();
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} else if (name == "anchors.centerIn") {
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resetHorizontal();
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resetVertical();
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} else if (name == "anchors.top") {
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resetVertical();
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} else if (name == "anchors.left") {
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resetHorizontal();
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} else if (name == "anchors.right") {
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resetHorizontal();
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} else if (name == "anchors.bottom") {
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resetVertical();
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} else if (name == "anchors.horizontalCenter") {
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resetHorizontal();
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} else if (name == "anchors.verticalCenter") {
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resetVertical();
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} else if (name == "anchors.baseline") {
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resetVertical();
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}
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ObjectNodeInstance::resetProperty(name);
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}
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void SGItemNodeInstance::reparent(const ObjectNodeInstance::Pointer &oldParentInstance, const QString &oldParentProperty, const ObjectNodeInstance::Pointer &newParentInstance, const QString &newParentProperty)
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{
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if (oldParentInstance && oldParentInstance->isPositioner()) {
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setInPositioner(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 (newParentInstance && newParentInstance->isPositioner()) {
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setInPositioner(true);
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setMovable(false);
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}
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if (oldParentInstance && oldParentInstance->isPositioner() && !(newParentInstance && newParentInstance->isPositioner())) {
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if (!hasBindingForProperty("x"))
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setPropertyVariant("x", m_x);
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if (!hasBindingForProperty("y"))
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setPropertyVariant("y", m_y);
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}
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refresh();
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DesignerSupport::updateDirtyNode(sgItem());
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}
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static bool isValidAnchorName(const QString &name)
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{
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static QStringList anchorNameList(QStringList() << "anchors.top"
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<< "anchors.left"
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<< "anchors.right"
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<< "anchors.bottom"
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<< "anchors.verticalCenter"
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<< "anchors.horizontalCenter"
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<< "anchors.fill"
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<< "anchors.centerIn"
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<< "anchors.baseline");
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return anchorNameList.contains(name);
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}
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bool SGItemNodeInstance::hasAnchor(const QString &name) const
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{
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return DesignerSupport::hasAnchor(sgItem(), name);
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}
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QPair<QString, ServerNodeInstance> SGItemNodeInstance::anchor(const QString &name) const
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{
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if (!isValidAnchorName(name) || !DesignerSupport::hasAnchor(sgItem(), name))
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return ObjectNodeInstance::anchor(name);
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QPair<QString, QObject*> nameObjectPair = DesignerSupport::anchorLineTarget(sgItem(), name, context());
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QObject *targetObject = nameObjectPair.second;
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QString targetName = nameObjectPair.first;
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if (targetObject && nodeInstanceServer()->hasInstanceForObject(targetObject)) {
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return qMakePair(targetName, nodeInstanceServer()->instanceForObject(targetObject));
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} else {
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return ObjectNodeInstance::anchor(name);
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}
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}
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QList<ServerNodeInstance> SGItemNodeInstance::stateInstances() const
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{
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QList<ServerNodeInstance> instanceList;
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QList<QObject*> stateList = DesignerSupport::statesForItem(sgItem());
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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 SGItemNodeInstance::isAnchoredBySibling() const
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{
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if (sgItem()->parentItem()) {
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foreach (QSGItem *siblingItem, sgItem()->parentItem()->childItems()) { // search in siblings for a anchor to this item
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if (siblingItem) {
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if (DesignerSupport::isAnchoredTo(siblingItem, sgItem()))
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return true;
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}
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}
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}
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return false;
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}
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bool SGItemNodeInstance::isAnchoredByChildren() const
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{
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if (DesignerSupport::areChildrenAnchoredTo(sgItem(), sgItem())) // search in children for a anchor to this item
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return true;
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return false;
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}
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QSGItem *SGItemNodeInstance::sgItem() const
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{
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if (object() == 0)
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return 0;
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Q_ASSERT(qobject_cast<QSGItem*>(object()));
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return static_cast<QSGItem*>(object());
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}
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DesignerSupport *SGItemNodeInstance::designerSupport() const
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{
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return qt5NodeInstanceServer()->designerSupport();
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}
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Qt5NodeInstanceServer *SGItemNodeInstance::qt5NodeInstanceServer() const
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{
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return qobject_cast<Qt5NodeInstanceServer*>(nodeInstanceServer());
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}
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} // namespace Internal
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} // namespace QmlDesigner
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#endif //QT_VERSION
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