Warning, /plasma/plasma-workspace/components/dialogs/SystemDialog.qml is written in an unsupported language. File is not indexed.

 /*
  *  SPDX-FileCopyrightText: 2021 Aleix Pol Gonzalez <aleixpol@kde.org>
  *
  *  SPDX-License-Identifier: LGPL-2.0-or-later
  */
 
 import QtQuick 2.15
 import QtQuick.Controls 2.15
 import QtQuick.Layouts 1.15
 import QtQuick.Window 2.15
 import Qt5Compat.GraphicalEffects
 import org.kde.kirigami 2.18 as Kirigami
 import org.kde.plasma.lookandfeel 1.0
 
 /**
  * Component to create CSD dialogs that come from the system.
  */
 Kirigami.AbstractApplicationWindow {
     id: root
 
     title: mainText
     /**
      * Main text of the dialog.
      */
     property string mainText: title
 
     /**
      * Subtitle of the dialog.
      */
     property string subtitle: ""
 
     /**
      * This property holds the icon used in the dialog.
      */
     property string iconName: ""
 
     /**
      * This property holds the list of actions for this dialog.
      *
      * Each action will be rendered as a button that the user will be able
      * to click.
      */
     property list<Kirigami.Action> actions
 
     default property Item mainItem
 
     /**
      * This property holds the QQC2 DialogButtonBox used in the footer of the dialog.
      */
     readonly property DialogButtonBox dialogButtonBox: contentDialog.item.dialogButtonBox
 
     /**
      * Provides dialogButtonBox.standardButtons
      *
      * Useful to be able to set it as dialogButtonBox will be null as the object gets built
      */
     property var standardButtons: contentDialog.item?.dialogButtonBox.standardButtons
 
     /**
      * Controls whether the accept button is enabled
      */
     property bool acceptable: true
 
 
     /**
      * The layout of the action buttons in the footer of the dialog.
      *
      * By default, if there are more than 3 actions, it will have `Qt.Vertical`.
      *
      * Otherwise, with zero to 2 actions, it will have `Qt.Horizontal`.
      *
      * This will only affect mobile dialogs.
      */
     property int /*Qt.Orientation*/ layout: actions.length > 3 ? Qt.Vertical : Qt.Horizontal
 
     flags: contentDialog.item.flags
     width: contentDialog.implicitWidth
     height: contentDialog.implicitHeight
     visible: false
     minimumHeight: contentDialog.item.minimumHeight
     minimumWidth: contentDialog.item.minimumWidth
 
     function present() {
         contentDialog.item.present()
     }
     signal accept()
     signal reject()
     property bool accepted: false
     onAccept: {
         accepted = true
         close()
     }
     onReject: close()
 
     onVisibleChanged: {
         if (!visible && !accepted) {
             root.reject()
         }
         width = Qt.binding(() => contentDialog.implicitWidth)
         height = Qt.binding(() => contentDialog.implicitHeight)
     }
 
     Binding {
         target: dialogButtonBox.standardButton(DialogButtonBox.Ok)
         property: "enabled"
         when: dialogButtonBox.standardButton(DialogButtonBox.Ok)
         value: root.acceptable
     }
 
     Loader {
         id: contentDialog
         anchors.fill: parent
         Component.onCompleted: {
             var component = LookAndFeel.fileUrl("systemdialogscript")
             setSource(component, {
                 window: root,
                 mainText: root.mainText,
                 subtitle: root.subtitle,
                 actions: root.actions,
                 iconName: root.iconName,
                 mainItem: root.mainItem,
                 standardButtons: root.standardButtons
             })
         }
 
         focus: true
 
         function accept() {
             const button = dialogButtonBox.standardButton(DialogButtonBox.Ok);
             if (button && button.enabled) {
                 root.accept()
             }
         }
         Keys.onEnterPressed: accept()
         Keys.onReturnPressed: accept()
         Keys.onEscapePressed: root.reject()
     }
 }