/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/Private/ContentItem.qml is in qml-module-qtquick-controls 5.5.1-1ubuntu1.
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**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 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
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** 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
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****************************************************************************/
import QtQuick 2.2
import QtQuick.Layouts 1.1
Item {
id: contentItem
property real minimumWidth: __calcMinimum('Width')
property real minimumHeight: __calcMinimum('Height')
property real maximumWidth: Number.POSITIVE_INFINITY
property real maximumHeight: Number.POSITIVE_INFINITY
implicitWidth: __calcImplicitWidth()
implicitHeight: __calcImplicitHeight()
/*! \internal */
property Item __layoutItem: contentItem.visibleChildren.length === 1 ? contentItem.visibleChildren[0] : null
/*! \internal */
property real __marginsWidth: __layoutItem ? __layoutItem.anchors.leftMargin + __layoutItem.anchors.rightMargin : 0
/*! \internal */
property real __marginsHeight: __layoutItem ? __layoutItem.anchors.topMargin + __layoutItem.anchors.bottomMargin : 0
/*! \internal */
property bool __noMinimumWidthGiven : false
/*! \internal */
property bool __noMinimumHeightGiven : false
/*! \internal */
property bool __noImplicitWidthGiven : false
/*! \internal */
property bool __noImplicitHeightGiven : false
function __calcImplicitWidth() {
if (__layoutItem && __layoutItem.anchors.fill)
return __calcImplicit('Width')
return contentItem.childrenRect.x + contentItem.childrenRect.width
}
function __calcImplicitHeight() {
if (__layoutItem && __layoutItem.anchors.fill)
return __calcImplicit('Height')
return contentItem.childrenRect.y + contentItem.childrenRect.height
}
function __calcImplicit(hw) {
var pref = __layoutItem.Layout['preferred' + hw]
if (pref < 0) {
pref = __layoutItem['implicit' + hw]
}
contentItem['__noImplicit' + hw + 'Given'] = (pref === 0 ? true : false)
pref += contentItem['__margins' + hw]
return pref
}
function __calcMinimum(hw) { // hw is 'Width' or 'Height'
return (__layoutItem && __layoutItem.anchors.fill) ? __calcMinMax('minimum', hw) : 0
}
function __calcMaximum(hw) { // hw is 'Width' or 'Height'
return (__layoutItem && __layoutItem.anchors.fill) ? __calcMinMax('maximum', hw) : Number.POSITIVE_INFINITY
}
function __calcMinMax(minMaxConstraint, hw) {
var attachedPropName = minMaxConstraint + hw
var extent = __layoutItem.Layout[attachedPropName]
if (minMaxConstraint === 'minimum')
contentItem['__noMinimum' + hw + 'Given'] = (extent === 0 ? true : false)
extent += contentItem['__margins' + hw]
return extent
}
}
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