1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
|
/****************************************************************************
**
** 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)
, changeListener(changeListener)
, transitionableItem(nullptr)
, ownItem(ownItem)
, releaseAfterTransition(false)
, trackGeom(false)
{
}
QQuickItemViewFxItem::~QQuickItemViewFxItem()
{
delete transitionableItem;
transitionableItem = nullptr;
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
|