Testbed

 // Copyright (C) 2023 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

 import QtQuick
 import QtGraphs
 import QtQuick.Controls.Basic
 import QtQuick.Dialogs

 Rectangle {
     id: mainview
     width: 800
     height: 600
     color: "#404040"

     Row {
         id: toolbar
         anchors.top: parent.top
         anchors.margins: 10
         anchors.left: parent.left
         anchors.leftMargin: 60
         spacing: 10

         Row {
             id: seriesToolbar
             spacing: 10
             Button {
                 text: "Theme1"
                 onClicked: {
                     seriesTheme.colorTheme = SeriesTheme.SeriesTheme1;
                 }
             }
             Button {
                 text: "Theme2"
                 onClicked: {
                     seriesTheme.colorTheme = SeriesTheme.SeriesTheme2;
                 }
             }
         }
     }

     Rectangle {
         id: background
         anchors.fill: chartView
         color: "#202020"
         border.color: "#606060"
         border.width: 2
         radius: 10
     }

     GraphsView {
         id: chartView
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.bottom: parent.bottom
         anchors.top: toolbar.bottom
         anchors.margins: 10
         backgroundColor: "#202020"

         SeriesTheme {
             id: seriesTheme
             colorTheme: SeriesTheme.SeriesTheme1
         }

         ScatterSeries {
             id: lineSeries1
             name: "First"
             theme: seriesTheme
             selectable: true
             axisX: ValueAxis {
                 id: xAxis
                 max: 4
             }
             axisY: ValueAxis {
                 id: yAxis
                 max: 8
             }
             pointMarker: Image {
                 property bool selected: false
                 source: "images/happy_box.png"
                 width: selected ? 96 : 64
                 height: selected ? 96 : 64
             }

             XYPoint { x: 0; y: 0 }
             XYPoint { x: 1.1; y: 2.1 }
             XYPoint { x: 1.9; y: 3.3 }
             XYPoint { x: 2.1; y: 2.1 }
             XYPoint { x: 2.9; y: 4.9 }
             XYPoint { x: 3.4; y: 3.0 }
             XYPoint { x: 4.0; y: 3.3 }
         }

         ScatterSeries {
             id: scatterSeries2
             name: "Second"
             theme: seriesTheme
             selectable: true

             XYPoint { x: 0; y: 6.6 }
             XYPoint { x: 0.6; y: 4.1 }
             XYPoint { x: 1.5; y: 5.3 }
             XYPoint { x: 2.2; y: 7.1 }
             XYPoint { x: 3.3; y: 6.9 }
             XYPoint { x: 3.6; y: 5.0 }
             XYPoint { x: 4.0; y: 5.3 }
         }

         ScatterSeries {
             id: scatterSeries3
             name: "Third"
             theme: seriesTheme
             XYPoint { x: 0; y: 2.6 }
             XYPoint { x: 0.2; y: 3.1 }
             XYPoint { x: 1.3; y: 6.3 }
             XYPoint { x: 2.4; y: 5.1 }
             XYPoint { x: 3.5; y: 6.9 }
             XYPoint { x: 3.6; y: 5.2 }
             XYPoint { x: 4.0; y: 3.3 }
         }
     }
 }