Warning, /plasma/kscreenlocker/kcm/ui/WallpaperConfig.qml is written in an unsupported language. File is not indexed.

 /*
 SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
 SPDX-FileCopyrightText: 2019 Kevin Ottens <kevin.ottens@enioka.com>
 
 SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 import QtQuick 2.15
 import QtQuick.Controls 2.15 as QQC2
 import QtQuick.Layouts 1.15
 
 import org.kde.kirigami 2.20 as Kirigami
 
 QQC2.StackView {
     id: main
 
     property string sourceFile
 
     signal configurationChanged
     signal configurationForceChanged
 
     Layout.fillHeight: true
     Layout.fillWidth: true
 
     implicitHeight: Kirigami.Units.gridUnit * 30
 
     onSourceFileChanged: {
         if (sourceFile) {
             const props = { configDialog }
             const wallpaperConfig = configDialog.wallpaperConfiguration
             for (const key in wallpaperConfig) {
                 props["cfg_" + key] = wallpaperConfig[key]
             }
 
             const newItem = replace(sourceFile, props, QQC2.StackView.ReplaceTransition)
 
             wallpaperConfig.valueChanged.connect((key, value) => {
                 if (newItem["cfg_" + key] !== undefined) {
                     newItem["cfg_" + key] = value
                 }
             })
 
             const createSignalHandler = key => {
                 return () => {
                     configDialog.wallpaperConfiguration[key] = newItem["cfg_" + key]
                     configurationChanged()
                 }
             }
 
             for (const key in wallpaperConfig) {
                 const changedSignal = newItem["cfg_" + key + "Changed"]
                 if (changedSignal) {
                     changedSignal.connect(createSignalHandler(key))
                 }
             }
 
             const configurationChangedSignal = newItem.configurationChanged
             if (configurationChangedSignal) {
                 configurationChangedSignal.connect(main.configurationForceChanged) // BUG 438585
             }
         } else {
             replace(empty)
         }
     }
 
     Component {
         id: empty
         Item {}
     }
 }