/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/Private/SourceProxy.qml is in qml-module-qtquick-controls 5.9.5-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.2
Item {
id: rootItem
property variant input
property variant output
property variant sourceRect
visible: false
Component.onCompleted: evaluateInput()
onInputChanged: evaluateInput()
onSourceRectChanged: evaluateInput()
function evaluateInput() {
if (input == undefined) {
output = input
}
else if (sourceRect != undefined && sourceRect != Qt.rect(0, 0, 0, 0) && !isQQuickShaderEffectSource(input)) {
proxySource.sourceItem = input
output = proxySource
proxySource.sourceRect = sourceRect
}
else if (isQQuickItemLayerEnabled(input)) {
output = input
}
else if ((isQQuickImage(input) && !hasTileMode(input) && !hasChildren(input))) {
output = input
}
else if (isQQuickShaderEffectSource(input)) {
output = input
}
else {
proxySource.sourceItem = input
output = proxySource
proxySource.sourceRect = Qt.rect(0, 0, 0, 0)
}
}
function isQQuickItemLayerEnabled(item) {
if (item.hasOwnProperty("layer")) {
var l = item["layer"]
if (l.hasOwnProperty("enabled") && l["enabled"].toString() == "true")
return true
}
return false
}
function isQQuickImage(item) {
var imageProperties = [ "fillMode", "progress", "asynchronous", "sourceSize", "status", "smooth" ]
return hasProperties(item, imageProperties)
}
function isQQuickShaderEffectSource(item) {
var shaderEffectSourceProperties = [ "hideSource", "format", "sourceItem", "mipmap", "wrapMode", "live", "recursive", "sourceRect" ]
return hasProperties(item, shaderEffectSourceProperties)
}
function hasProperties(item, properties) {
var counter = 0
for (var j = 0; j < properties.length; j++) {
if (item.hasOwnProperty(properties [j]))
counter++
}
return properties.length == counter
}
function hasChildren(item) {
if (item.hasOwnProperty("childrenRect")) {
if (item["childrenRect"].toString() != "QRectF(0, 0, 0, 0)")
return true
else
return false
}
return false
}
function hasTileMode(item) {
if (item.hasOwnProperty("fillMode")) {
if (item["fillMode"].toString() != "0")
return true
else
return false
}
return false
}
ShaderEffectSource {
id: proxySource
live: rootItem.input != rootItem.output
hideSource: false
smooth: true
visible: false
}
}
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