Warning, /plasma/plasma-bigscreen/shell/contents/configuration/ConfigCategoryDelegate.qml is written in an unsupported language. File is not indexed.

 /*
     SPDX-FileCopyrightText: 2013 Marco Martin <mart@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 import QtQuick 2.0
 import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.3 as QtControls
 import QtQuick.Window 2.2
 
 import org.kde.kquickcontrolsaddons 2.0
 import org.kde.kirigami 2.5 as Kirigami
 
 MouseArea {
     id: delegate
 
 //BEGIN properties
     implicitWidth: delegateContents.implicitWidth + 4 * units.smallSpacing
     implicitHeight: delegateContents.height + units.smallSpacing * 4
     Layout.fillWidth: true
     hoverEnabled: true
 
     property bool current: (model.kcm && pageStack.currentItem.kcm && model.kcm == pageStack.currentItem.kcm) || (model.source == pageStack.sourceFile)
 //END properties
 
 //BEGIN functions
     function openCategory() {
         if (current) {
             return;
         }
         if (typeof(categories.currentItem) !== "undefined") {
             pageStack.invertAnimations = (categories.currentItem.x > delegate.x);
             categories.currentItem = delegate;
         }
 
         if (model.source) {
             pageStack.sourceFile = model.source;
         } else if (model.kcm) {
             pageStack.sourceFile = "";
             pageStack.sourceFile = Qt.resolvedUrl("ConfigurationKcmPage.qml");
             pageStack.currentItem.kcm = model.kcm;
         } else {
             pageStack.sourceFile = "";
         }
         pageStack.title = model.name
     }
 //END functions
 
 //BEGIN connections
     onPressed: {
         categoriesScroll.forceActiveFocus()
 
         if (current) {
             return;
         }
 
         openCategory();
     }
     onCurrentChanged: {
         if (current) {
             categories.currentItem = delegate;
         }
     }
 //END connections
 
 //BEGIN UI components
     Rectangle {
         anchors.fill: parent
         color: Kirigami.Theme.highlightColor
         opacity: { // try to match Breeze style hover handling
             var active = categoriesScroll.activeFocus && Window.active
             if (current) {
                 if (active) {
                     return 1
                 } else if (delegate.containsMouse) {
                     return 0.6
                 } else {
                     return 0.3
                 }
             } else if (delegate.containsMouse) {
                 if (active) {
                     return 0.3
                 } else {
                     return 0.1
                 }
             }
             return 0
         }
         Behavior on opacity {
             NumberAnimation {
                 duration: units.longDuration
                 easing.type: Easing.InOutQuad
             }
         }
     }
 
     ColumnLayout {
         id: delegateContents
         spacing: units.smallSpacing
         width: parent.width
         anchors.verticalCenter: parent.verticalCenter
 
         QIconItem {
             id: iconItem
             Layout.alignment: Qt.AlignHCenter
             width: units.iconSizes.medium
             height: width
             icon: model.icon
             state: current && categoriesScroll.activeFocus ? QIconItem.SelectedState : QIconItem.DefaultState
         }
 
         QtControls.Label {
             id: nameLabel
             Layout.fillWidth: true
             text: model.name
             wrapMode: Text.Wrap
             horizontalAlignment: Text.AlignHCenter
             color: current && categoriesScroll.activeFocus ? Kirigami.Theme.highlightedTextColor : Kirigami.Theme.textColor
             Behavior on color {
                 ColorAnimation {
                     duration: units.longDuration
                     easing.type: Easing.InOutQuad
                 }
             }
         }
     }
 //END UI components
 }