- Qt 6.6
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Scene Effects Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - Scene Effects Example

     // Copyright (C) 2022 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick.Controls
     import QtQuick.Layouts

     Rectangle {
         id: root
         property string title: ""
         property bool isExpanded: true
         default property alias content: container.children
         color: "transparent"
         border.width: 2
         border.color: palette.alternateBase

         Layout.fillWidth: true
         height: outsideLayout.implicitHeight
         implicitHeight: height

         ColumnLayout {
             id: outsideLayout
             width: parent.width
             Rectangle {
                 id: sectionHeader
                 Layout.fillWidth: true
                 implicitHeight: 24
                 color: palette.alternateBase

                 RowLayout {
                     anchors.verticalCenter: parent.verticalCenter
                     Image {
                         fillMode: Image.PreserveAspectFit
                         sourceSize: Qt.size(titleText.implicitHeight, titleText.implicitHeight)
                         source: root.isExpanded ? "qrc:/images/TreeExpanded.png" : "qrc:/images/TreeUnexpanded.png"
                     }

                     Text {
                         id: titleText
                         Layout.fillWidth: true
                         text: root.title
                     }
                 }

                 MouseArea {
                     anchors.fill: parent
                     onClicked: root.isExpanded = !root.isExpanded
                 }
             }

             ColumnLayout {
                 id: container
                 Layout.margins: root.border.width * 2
                 visible: root.isExpanded
                 Layout.fillWidth: true
             }

         }
     }