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Diffstat (limited to 'src/quicktemplates2/qquickstackelement.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickstackelement.cpp | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/src/quicktemplates2/qquickstackelement.cpp b/src/quicktemplates2/qquickstackelement.cpp deleted file mode 100644 index b275f96b..00000000 --- a/src/quicktemplates2/qquickstackelement.cpp +++ /dev/null @@ -1,320 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL3$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickstackelement_p_p.h" -#include "qquickstackview_p_p.h" - -#include <QtQml/qqmlinfo.h> -#include <QtQml/qqmlengine.h> -#include <QtQml/qqmlcomponent.h> -#include <QtQml/qqmlincubator.h> -#include <QtQml/private/qv4qobjectwrapper_p.h> -#include <QtQml/private/qqmlcomponent_p.h> -#include <QtQml/private/qqmlengine_p.h> - -QT_BEGIN_NAMESPACE - -static QQuickStackViewAttached *attachedStackObject(QQuickStackElement *element) -{ - QQuickStackViewAttached *attached = qobject_cast<QQuickStackViewAttached *>(qmlAttachedPropertiesObject<QQuickStackView>(element->item, false)); - if (attached) - QQuickStackViewAttachedPrivate::get(attached)->element = element; - return attached; -} - -class QQuickStackIncubator : public QQmlIncubator -{ -public: - QQuickStackIncubator(QQuickStackElement *element) - : QQmlIncubator(Synchronous), - element(element) - { - } - -protected: - void setInitialState(QObject *object) override { element->incubate(object); } - -private: - QQuickStackElement *element; -}; - -QQuickStackElement::QQuickStackElement() - : QQuickItemViewTransitionableItem(nullptr) -{ -} - -QQuickStackElement::~QQuickStackElement() -{ - if (item) - QQuickItemPrivate::get(item)->removeItemChangeListener(this, QQuickItemPrivate::Destroyed); - - if (ownComponent) - delete component; - - QQuickStackViewAttached *attached = attachedStackObject(this); - if (item) { - if (ownItem) { - item->setParentItem(nullptr); - item->deleteLater(); - item = nullptr; - } else { - setVisible(false); - if (!widthValid) - item->resetWidth(); - if (!heightValid) - item->resetHeight(); - if (item->parentItem() != originalParent) { - item->setParentItem(originalParent); - } else { - if (attached) - QQuickStackViewAttachedPrivate::get(attached)->itemParentChanged(item, nullptr); - } - } - } - - if (attached) - emit attached->removed(); - - delete context; -} - -QQuickStackElement *QQuickStackElement::fromString(const QString &str, QQuickStackView *view, QString *error) -{ - QUrl url(http://code.qt.io/str); - if (!url.isValid()) { - *error = QStringLiteral("invalid url: ") + str; - return nullptr; - } - - if (url.isRelative()) - url = qmlContext(view)->resolvedUrl(url); - - QQuickStackElement *element = new QQuickStackElement; - element->component = new QQmlComponent(qmlEngine(view), url, view); - element->ownComponent = true; - return element; -} - -QQuickStackElement *QQuickStackElement::fromObject(QObject *object, QQuickStackView *view, QString *error) -{ - Q_UNUSED(view); - QQmlComponent *component = qobject_cast<QQmlComponent *>(object); - QQuickItem *item = qobject_cast<QQuickItem *>(object); - if (!component && !item) { - *error = QQmlMetaType::prettyTypeName(object) + QStringLiteral(" is not supported. Must be Item or Component."); - return nullptr; - } - - QQuickStackElement *element = new QQuickStackElement; - element->component = qobject_cast<QQmlComponent *>(object); - element->item = qobject_cast<QQuickItem *>(object); - if (element->item) - element->originalParent = element->item->parentItem(); - return element; -} - -bool QQuickStackElement::load(QQuickStackView *parent) -{ - setView(parent); - if (!item) { - ownItem = true; - - if (component->isLoading()) { - QObject::connect(component, &QQmlComponent::statusChanged, [this](QQmlComponent::Status status) { - if (status == QQmlComponent::Ready) - load(view); - else if (status == QQmlComponent::Error) - QQuickStackViewPrivate::get(view)->warn(component->errorString().trimmed()); - }); - return true; - } - - QQmlContext *creationContext = component->creationContext(); - if (!creationContext) - creationContext = qmlContext(parent); - context = new QQmlContext(creationContext, parent); - context->setContextObject(parent); - - QQuickStackIncubator incubator(this); - component->create(incubator, context); - if (component->isError()) - QQuickStackViewPrivate::get(parent)->warn(component->errorString().trimmed()); - } else { - initialize(); - } - return item; -} - -void QQuickStackElement::incubate(QObject *object) -{ - item = qmlobject_cast<QQuickItem *>(object); - if (item) { - QQmlEngine::setObjectOwnership(item, QQmlEngine::CppOwnership); - item->setParent(view); - initialize(); - } -} - -void QQuickStackElement::initialize() -{ - if (!item || init) - return; - - QQuickItemPrivate *p = QQuickItemPrivate::get(item); - if (!(widthValid = p->widthValid())) - item->setWidth(view->width()); - if (!(heightValid = p->heightValid())) - item->setHeight(view->height()); - item->setParentItem(view); - p->addItemChangeListener(this, QQuickItemPrivate::Destroyed); - - if (!properties.isUndefined()) { - QQmlEngine *engine = qmlEngine(view); - Q_ASSERT(engine); - QV4::ExecutionEngine *v4 = QQmlEnginePrivate::getV4Engine(engine); - Q_ASSERT(v4); - QV4::Scope scope(v4); - QV4::ScopedValue ipv(scope, properties.value()); - QV4::Scoped<QV4::QmlContext> qmlContext(scope, qmlCallingContext.value()); - QV4::ScopedValue qmlObject(scope, QV4::QObjectWrapper::wrap(v4, item)); - RequiredProperties requiredPropertiesCurrentlyNotSupported; - QQmlComponentPrivate::setInitialProperties(v4, qmlContext, qmlObject, ipv, requiredPropertiesCurrentlyNotSupported, item); - properties.clear(); - } - - init = true; -} - -void QQuickStackElement::setIndex(int value) -{ - if (index == value) - return; - - index = value; - QQuickStackViewAttached *attached = attachedStackObject(this); - if (attached) - emit attached->indexChanged(); -} - -void QQuickStackElement::setView(QQuickStackView *value) -{ - if (view == value) - return; - - view = value; - QQuickStackViewAttached *attached = attachedStackObject(this); - if (attached) - emit attached->viewChanged(); -} - -void QQuickStackElement::setStatus(QQuickStackView::Status value) -{ - if (status == value) - return; - - status = value; - QQuickStackViewAttached *attached = attachedStackObject(this); - if (!attached) - return; - - switch (value) { - case QQuickStackView::Inactive: - emit attached->deactivated(); - break; - case QQuickStackView::Deactivating: - emit attached->deactivating(); - break; - case QQuickStackView::Activating: - emit attached->activating(); - break; - case QQuickStackView::Active: - emit attached->activated(); - break; - default: - Q_UNREACHABLE(); - break; - } - - emit attached->statusChanged(); -} - -void QQuickStackElement::setVisible(bool visible) -{ - QQuickStackViewAttached *attached = attachedStackObject(this); - if (!item || (attached && QQuickStackViewAttachedPrivate::get(attached)->explicitVisible)) - return; - - item->setVisible(visible); -} - -void QQuickStackElement::transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget) -{ - if (transitioner) - transitioner->transitionNextReposition(this, type, asTarget); -} - -bool QQuickStackElement::prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds) -{ - if (transitioner) { - if (item) { - QQuickAnchors *anchors = QQuickItemPrivate::get(item)->_anchors; - // TODO: expose QQuickAnchorLine so we can test for other conflicting anchors - if (anchors && (anchors->fill() || anchors->centerIn())) - qmlWarning(item) << "StackView has detected conflicting anchors. Transitions may not execute properly."; - } - - // TODO: add force argument to QQuickItemViewTransitionableItem::prepareTransition()? - nextTransitionToSet = true; - nextTransitionFromSet = true; - nextTransitionFrom += QPointF(1, 1); - return QQuickItemViewTransitionableItem::prepareTransition(transitioner, index, viewBounds); - } - return false; -} - -void QQuickStackElement::startTransition(QQuickItemViewTransitioner *transitioner, QQuickStackView::Status status) -{ - setStatus(status); - if (transitioner) - QQuickItemViewTransitionableItem::startTransition(transitioner, index); -} - -void QQuickStackElement::itemDestroyed(QQuickItem *) -{ - item = nullptr; -} - -QT_END_NAMESPACE |