Fix qmllint errors in particles3d example

Pick-to: 6.6
Change-Id: I10126755f2a42fb365219f09b9c54e45ed8e4316
Reviewed-by: Christian Strømme <christian.stromme@qt.io>

1 files changed, 57 insertions, 0 deletions

diff --git a/examples/quick3d/particles3d/main.qml b/examples/quick3d/particles3d/main.qml
new file mode 100644
index 00000000..95f5ee30
--- /dev/null
+++ b/examples/quick3d/particles3d/main.qml
@@ -0,0 +1,57 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick
+import QtQuick.Controls
+
+Window {
+    id: rootWindow
+
+    readonly property url startupView: "StartupView.qml"
+
+    width: 1280
+    height: 720
+    visible: true
+    title: qsTr("Qt Quick 3D Particles3D Testbed")
+    color: "#000000"
+
+    Component.onCompleted: {
+        AppSettings.iconSize = Qt.binding(function() {
+            return 16 + Math.max(rootWindow.width, rootWindow.height) * 0.05
+        })
+    }
+
+    Loader {
+        id: loader
+        anchors.fill: parent
+        Component.onCompleted: setSource(rootWindow.startupView, {loader: loader})
+    }
+
+    Button {
+        id: backButton
+        anchors.left: parent.left
+        anchors.top: parent.top
+        implicitWidth: AppSettings.iconSize
+        implicitHeight: AppSettings.iconSize
+        //height: width
+        opacity: loader.source !== rootWindow.startupView
+        visible: opacity
+        icon.source: "qrc:/images/arrow_icon.png"
+        icon.width: backButton.width * 0.3
+        icon.height: backButton.height * 0.3
+        icon.color: "transparent"
+        background: Rectangle {
+            color: "transparent"
+        }
+        onClicked: {
+            loader.setSource(rootWindow.startupView, {loader: loader})
+        }
+        Behavior on opacity {
+            NumberAnimation {
+                duration: 400
+                easing.type: Easing.InOutQuad
+            }
+        }
+    }
+
+}