Warning, /frameworks/kirigami/examples/scenepotitionattached.qml is written in an unsupported language. File is not indexed.

 import QtQuick 2.15
 import QtQuick.Layouts 1.15
 import QtQuick.Controls 2.15 as QQC2
 import org.kde.kirigami 2.20 as Kirigami
 
 Kirigami.ApplicationWindow {
         id: root
         pageStack.initialPage: Kirigami.Page {
                 GridLayout {
                         anchors.top: parent.top
                         anchors.left: parent.left
                         anchors.right: parent.right
                         ColumnLayout {
                                 Layout.column: 0
                                 Kirigami.Heading {
                                         text: "scene position"
                                         Layout.minimumHeight: Kirigami.Units.gridUnit * 2
                                 }
                                 ColumnLayout {
                                         QQC2.Label {
                                                 // This will be 99 because it is the distance between the top of the window and this Item
                                                 text: "Sublayout 1: " + Kirigami.ScenePosition.y
                                         }
                                         QQC2.Label {
                                                 text: "Sublayout 2: " + Kirigami.ScenePosition.y
                                         }
                                         QQC2.Label {
                                                 text: "Sublayout 3: " + Kirigami.ScenePosition.y
                                         }
                                 }
                                 Item {
                                         Layout.minimumHeight: 100
                                 }
                                 QQC2.Label {
                                         text: "Layout 1: " + Kirigami.ScenePosition.y
                                 }
                                 QQC2.Label {
                                         text: "Layout 2: " + Kirigami.ScenePosition.y
                                 }
                                 QQC2.Label {
                                         text: "Layout 3: " + Kirigami.ScenePosition.y
                                 }
                         }
                         ColumnLayout {
                                 Layout.column: 1
                                 Kirigami.Heading {
                                         text: "non scene position"
                                         Layout.minimumHeight: Kirigami.Units.gridUnit * 2
                                 }
                                 ColumnLayout {
                                         ColumnLayout {
                                                 QQC2.Label {
                                                         // This will be 0 because the X and Y properties are relative to the first Item
                                                         text: "Sublayout 1: " + y
                                                 }
                                                 QQC2.Label {
                                                         text: "Sublayout 2: " + y
                                                 }
                                                 QQC2.Label {
                                                         text: "Sublayout 3: " + y
                                                 }
                                         }
                                         Item {
                                                 Layout.minimumHeight: 100
                                         }
                                         QQC2.Label {
                                                 text: "Layout 1: " + y
                                         }
                                         QQC2.Label {
                                                 text: "Layout 2: " + y
                                         }
                                         QQC2.Label {
                                                 text: "Layout 3: " + y
                                         }
                                 }
                         }
                 }
         }
 }