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-rw-r--r--src/quickcontrols2impl/qquickitemgroup.cpp122
1 files changed, 0 insertions, 122 deletions
diff --git a/src/quickcontrols2impl/qquickitemgroup.cpp b/src/quickcontrols2impl/qquickitemgroup.cpp
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--- a/src/quickcontrols2impl/qquickitemgroup.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the Qt Quick Controls 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 "qquickitemgroup_p.h"
-
-#include <QtQuick/private/qquickimplicitsizeitem_p_p.h>
-
-QT_BEGIN_NAMESPACE
-
-QQuickItemGroup::QQuickItemGroup(QQuickItem *parent)
- : QQuickImplicitSizeItem(*(new QQuickImplicitSizeItemPrivate), parent)
-{
-}
-
-QQuickItemGroup::~QQuickItemGroup()
-{
- const auto children = childItems();
- for (QQuickItem *child : children)
- unwatch(child);
-}
-
-void QQuickItemGroup::watch(QQuickItem *item)
-{
- QQuickItemPrivate::get(item)->addItemChangeListener(this, QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight);
-}
-
-void QQuickItemGroup::unwatch(QQuickItem *item)
-{
- QQuickItemPrivate::get(item)->removeItemChangeListener(this, QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight);
-}
-
-QSizeF QQuickItemGroup::calculateImplicitSize() const
-{
- qreal width = 0;
- qreal height = 0;
- const auto children = childItems();
- for (QQuickItem *child : children) {
- width = qMax(width, child->implicitWidth());
- height = qMax(height, child->implicitHeight());
- }
- return QSizeF(width, height);
-}
-
-void QQuickItemGroup::updateImplicitSize()
-{
- QSizeF size = calculateImplicitSize();
- setImplicitSize(size.width(), size.height());
-}
-
-void QQuickItemGroup::itemChange(ItemChange change, const ItemChangeData &data)
-{
- QQuickImplicitSizeItem::itemChange(change, data);
- switch (change) {
- case ItemChildAddedChange:
- watch(data.item);
- data.item->setSize(QSizeF(width(), height()));
- updateImplicitSize();
- break;
- case ItemChildRemovedChange:
- unwatch(data.item);
- updateImplicitSize();
- break;
- default:
- break;
- }
-}
-
-void QQuickItemGroup::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry)
-{
- QQuickImplicitSizeItem::geometryChange(newGeometry, oldGeometry);
-
- if (newGeometry.size() != oldGeometry.size()) {
- const auto children = childItems();
- for (QQuickItem *child : children)
- child->setSize(newGeometry.size());
- }
-}
-
-void QQuickItemGroup::itemImplicitWidthChanged(QQuickItem *)
-{
- setImplicitWidth(calculateImplicitSize().width());
-}
-
-void QQuickItemGroup::itemImplicitHeightChanged(QQuickItem *)
-{
- setImplicitHeight(calculateImplicitSize().height());
-}
-
-QT_END_NAMESPACE