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Diffstat (limited to 'src/quick/items/qquickitemviewfxitem.cpp')
| -rw-r--r-- | src/quick/items/qquickitemviewfxitem.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/quick/items/qquickitemviewfxitem.cpp b/src/quick/items/qquickitemviewfxitem.cpp new file mode 100644 index 0000000000..f9c65967ea --- /dev/null +++ b/src/quick/items/qquickitemviewfxitem.cpp @@ -0,0 +1,165 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 https://www.qt.io/terms-conditions. For further +** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickitemviewfxitem_p_p.h" +#include "qquickitem_p.h" +#include "qquickitemview_p_p.h" + +QT_BEGIN_NAMESPACE + +QQuickItemViewFxItem::QQuickItemViewFxItem(QQuickItem *item, bool ownItem, QQuickItemChangeListener* changeListener) + : item(item) + , ownItem(ownItem) + , changeListener(changeListener) + , transitionableItem(nullptr) + , releaseAfterTransition(false) + , trackGeom(false) +{ +} + +QQuickItemViewFxItem::~QQuickItemViewFxItem() +{ + delete transitionableItem; + if (ownItem && item) { + trackGeometry(false); + item->setParentItem(0); + item->deleteLater(); + } +} + +qreal QQuickItemViewFxItem::itemX() const +{ + return transitionableItem ? transitionableItem->itemX() : (item ? item->x() : 0); +} + +qreal QQuickItemViewFxItem::itemY() const +{ + return transitionableItem ? transitionableItem->itemY() : (item ? item->y() : 0); +} + +void QQuickItemViewFxItem::moveTo(const QPointF &pos, bool immediate) +{ + if (transitionableItem) + transitionableItem->moveTo(pos, immediate); + else if (item) + item->setPosition(pos); +} + +void QQuickItemViewFxItem::setVisible(bool visible) +{ + if (!visible && transitionableItem && transitionableItem->transitionScheduledOrRunning()) + return; + if (item) + QQuickItemPrivate::get(item)->setCulled(!visible); +} + +void QQuickItemViewFxItem::trackGeometry(bool track) +{ + if (track) { + if (!trackGeom) { + if (item) { + QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item); + itemPrivate->addItemChangeListener(changeListener, QQuickItemPrivate::Geometry); + } + trackGeom = true; + } + } else { + if (trackGeom) { + if (item) { + QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item); + itemPrivate->removeItemChangeListener(changeListener, QQuickItemPrivate::Geometry); + } + trackGeom = false; + } + } +} + +QRectF QQuickItemViewFxItem::geometry() const +{ + return QRectF(item->position(), item->size()); +} + +void QQuickItemViewFxItem::setGeometry(const QRectF &geometry) +{ + item->setPosition(geometry.topLeft()); + item->setSize(geometry.size()); +} + +QQuickItemViewTransitioner::TransitionType QQuickItemViewFxItem::scheduledTransitionType() const +{ + return transitionableItem ? transitionableItem->nextTransitionType : QQuickItemViewTransitioner::NoTransition; +} + +bool QQuickItemViewFxItem::transitionScheduledOrRunning() const +{ + return transitionableItem ? transitionableItem->transitionScheduledOrRunning() : false; +} + +bool QQuickItemViewFxItem::transitionRunning() const +{ + return transitionableItem ? transitionableItem->transitionRunning() : false; +} + +bool QQuickItemViewFxItem::isPendingRemoval() const +{ + return transitionableItem ? transitionableItem->isPendingRemoval() : false; +} + +void QQuickItemViewFxItem::transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget) +{ + if (!transitioner) + return; + if (!transitionableItem) + transitionableItem = new QQuickItemViewTransitionableItem(item); + transitioner->transitionNextReposition(transitionableItem, type, asTarget); +} + +bool QQuickItemViewFxItem::prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds) +{ + return transitionableItem ? transitionableItem->prepareTransition(transitioner, index, viewBounds) : false; +} + +void QQuickItemViewFxItem::startTransition(QQuickItemViewTransitioner *transitioner) +{ + if (transitionableItem) + transitionableItem->startTransition(transitioner, index); +} + +QT_END_NAMESPACE + |