Warning, /maui/nomad-style/ComboBox.qml is written in an unsupported language. File is not indexed.

 /*
  * Copyright 2017 Marco Martin <mart@kde.org>
  * Copyright 2017 The Qt Company Ltd.
  *
  * 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
  * Software Foundation and appearing in the file LICENSE.GPL included in
  * the packaging of this file. Please review the following information to
  * ensure the GNU General Public License version 2.0 requirements will be
  * met: http://www.gnu.org/licenses/gpl-2.0.html.
  */
 
 
 import QtQuick 2.6
 import QtQuick.Window 2.2
 import QtQuick.Templates 2.3 as T
 import QtQuick.Controls 2.3 as Controls
 import org.kde.qqc2desktopstyle.private 1.0 as StylePrivate
 import QtGraphicalEffects 1.0
 import org.kde.kirigami 2.2 as Kirigami
 
 T.ComboBox {
     id: controlRoot
     //NOTE: typeof necessary to not have warnings on Qt 5.7
     Kirigami.Theme.colorSet: typeof(editable) != "undefined" && editable ? Kirigami.Theme.View : Kirigami.Theme.Button
     Kirigami.Theme.inherit: false
 
     implicitWidth: background.implicitWidth + leftPadding + rightPadding
     implicitHeight: background.implicitHeight
     baselineOffset: contentItem.y + contentItem.baselineOffset
 
     hoverEnabled: true
     padding: 5
     leftPadding: padding + 5
     rightPadding: padding + 5
 
     delegate: ItemDelegate {
         width: controlRoot.popup.width
         text: controlRoot.textRole ? (Array.isArray(controlRoot.model) ? modelData[controlRoot.textRole] : model[controlRoot.textRole]) : modelData
         highlighted: controlRoot.highlightedIndex == index
         property bool separatorVisible: false
         Kirigami.Theme.colorSet: controlRoot.Kirigami.Theme.inherit ? controlRoot.Kirigami.Theme.colorSet : Kirigami.Theme.View
         Kirigami.Theme.inherit: controlRoot.Kirigami.Theme.inherit
     }
 
     indicator: Item {}
 
     contentItem: MouseArea {
         onPressed: mouse.accepted = false;
         onWheel: {
             if (wheel.pixelDelta.y < 0 || wheel.angleDelta.y < 0) {
                 controlRoot.currentIndex = (controlRoot.currentIndex + 1) % delegateModel.count
             } else {
                 controlRoot.currentIndex = (controlRoot.currentIndex - 1 + delegateModel.count) % delegateModel.count
             }
         }
         T.TextField {
             anchors {
                 fill: parent
                 leftMargin: controlRoot.mirrored ? 12 : 1
                 rightMargin: !controlRoot.mirrored ? 12 : 1
             }
 
             text: controlRoot.editText
 
             visible: typeof(controlRoot.editable) != "undefined" && controlRoot.editable
             readOnly: controlRoot.popup.visible
             inputMethodHints: controlRoot.inputMethodHints
             validator: controlRoot.validator
             renderType: Window.devicePixelRatio % 1 !== 0 ? Text.QtRendering : Text.NativeRendering
             color: controlRoot.enabled ? Kirigami.Theme.textColor : Kirigami.Theme.disabledTextColor
             selectionColor: Kirigami.Theme.highlightColor
             selectedTextColor: Kirigami.Theme.highlightedTextColor
             selectByMouse: true
 
             font: controlRoot.font
             horizontalAlignment: Text.AlignLeft
             verticalAlignment: Text.AlignVCenter
             opacity: controlRoot.enabled ? 1 : 0.3
         }
     }
 
     background: StylePrivate.StyleItem {
         id: styleitem
         control: controlRoot
         elementType: "combobox"
         anchors.fill: parent
         hover: controlRoot.hovered
         sunken: controlRoot.pressed
         raised: !sunken
         hasFocus: controlRoot.activeFocus
         enabled: controlRoot.enabled
         // contentHeight as in QComboBox magic numbers taken from QQC1 style
         contentHeight: Math.max(Math.ceil(textHeight("")), 14) + 2
         text: controlRoot.displayText
         properties: {
             "editable" : control.editable
         }
     }
 
     popup: T.Popup {
         y: controlRoot.height
         width: Math.max(controlRoot.width, 150)
         implicitHeight: contentItem.implicitHeight
         topMargin: 6
         bottomMargin: 6
         Kirigami.Theme.colorSet: Kirigami.Theme.View
         Kirigami.Theme.inherit: controlRoot.Kirigami.Theme.inherit
 
         contentItem: ListView {
             id: listview
             clip: true
             implicitHeight: contentHeight
             model: controlRoot.popup.visible ? controlRoot.delegateModel : null
             currentIndex: controlRoot.highlightedIndex
             highlightRangeMode: ListView.ApplyRange
             highlightMoveDuration: 0
             T.ScrollBar.vertical: Controls.ScrollBar { }
         }
         background: Rectangle {
             anchors {
                 fill: parent
                 margins: -1
             }
             radius: 2
             color: Kirigami.Theme.backgroundColor
             property color borderColor: Kirigami.Theme.textColor
             border.color: Qt.rgba(borderColor.r, borderColor.g, borderColor.b, 0.3)
             layer.enabled: true
             
             layer.effect: DropShadow {
                 transparentBorder: true
                 radius: 4
                 samples: 8
                 horizontalOffset: 2
                 verticalOffset: 2
                 color: Qt.rgba(0, 0, 0, 0.3)
             }
         }
     }
 }