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Qt Cluster: Rendering and Recovery from Main UI Failure
// Copyright (C) 2023 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause // This file is part of the Qt Safe Renderer module import QtQuick import ClusterDemo Item { id: speedometer property real speedometerNeedleRotation: 0.0 property string speed: actualSpeed.toFixed().toString() property bool animationStopped: ValueSource.runningInDesigner ? true : startupAnimationsFinished property real actualSpeed: animationStopped ? ValueSource.kph : -speedometerNeedleRotation property real minValueAngle: 55 property real maxValueAngle: 305 property real minimumSpeed: 0 property real maximumSpeed: 200 Item { anchors.left: parent.left anchors.leftMargin: 20 width: 480 height: 480 GaugeFiller { id: speedFiller value: speedometer.actualSpeed anchors.left: parent.left anchors.top: parent.top anchors.topMargin: 244 anchors.leftMargin: 255 visible: false numVertices: 64 radius: 155 fillWidth: 5 color: speedometer.actualSpeed < 100 ? "green" : "#EF2973" opacity: 0.6 minAngle: speedometer.minValueAngle maxAngle: speedometer.maxValueAngle minValue: speedometer.minimumSpeed maxValue: speedometer.maximumSpeed } } Item { id: speedometerNeedle width: 309 height: 7 rotation: speedFiller.angle - 35 x: 121 y: 243 Image { opacity: 0.75 width: 97 height: 7 anchors.left: parent.left anchors.verticalCenter: parent.verticalCenter source: speedometer.actualSpeed < 100 ? "image://etc/SpeedometerNeedleGreen.png" : "image://etc/SpeedometerNeedle.png" } } Row { anchors.top: speedometerNeedle.bottom anchors.topMargin: 80 anchors.horizontalCenter: speedometerNeedle.horizontalCenter spacing: 7 Text { font.pixelSize: 18 color:(ValueSource.gear === 0 && ValueSource.parkingBrake) ? "white" : "gray" text: "P" } Text { font.pixelSize: 18 //font.bold: ValueSource.gear === -1 color: ValueSource.gear === -1 ? "white" : "gray" text: "R" } Text { font.pixelSize: 18 //font.bold: ValueSource.gear === 0 color: (ValueSource.gear === 0 && !ValueSource.parkingBrake) ? "white" : "gray" text: "N" } Text { font.pixelSize: 18 //font.bold: ValueSource.gear === 1 color: ValueSource.gear === 1 ? "white" : "gray" text: "D" } } Text { id: speedText anchors.top: speedometerNeedle.top anchors.topMargin: -27 anchors.horizontalCenter: speedometerNeedle.horizontalCenter font.pixelSize: 40 color: "lightGray" text: speedometer.speed } Text { id: speedUnitText anchors.top: speedText.bottom anchors.horizontalCenter: speedometerNeedle.horizontalCenter font.pixelSize: 18 color: "lightGray" text: "KM/H" } }