Use data inputs with properties

Also fix application for macOS

kria-cluster-3d-demo/main.cpp

@@ -56,6 +56,16 @@
 
 int main(int argc, char *argv[])
 {
+#if defined(Q_OS_MACOS)
+    QSurfaceFormat openGLFormat;
+    openGLFormat.setRenderableType(QSurfaceFormat::OpenGL);
+    openGLFormat.setProfile(QSurfaceFormat::CoreProfile);
+    openGLFormat.setMajorVersion(4);
+    openGLFormat.setMinorVersion(1);
+    openGLFormat.setStencilBufferSize(8);
+    QSurfaceFormat::setDefaultFormat(openGLFormat);
+#endif
+
     QGuiApplication app(argc, argv);
 
     QQuickView viewer;

kria-cluster-3d-demo/qml/main.qml

@@ -112,21 +112,25 @@ Item {
             DataInput {
                 id: tachometerNeedle
                 name: "tacho"
+                value: simuData.rpm
             }
 
             DataInput {
                 id: tachometerText
                 name: "tachoText"
+                value: (simuData.rpm / 1000.0).toFixed(1)
             }
 
             DataInput {
                 id: speedometerNeedle
                 name: "speed"
+                value: simuData.speed
             }
 
             DataInput {
                 id: speedometerText
                 name: "speedText"
+                value: useMetric ? simuData.speed.toFixed(0) : (simuData.speed / 1.625).toFixed(0)
             }
 
             DataInput {
@@ -242,17 +246,6 @@ Item {
         onTimeChanged: {
             indicatorPane.time.text = time;
         }
-
-        // Connect speed
-        onSpeedChanged: {
-            speedometerNeedle.setValue(speed);
-            if (useMetric)
-                speedometerText.setValue(speed.toFixed(0));
-            else
-                speedometerText.setValue((speed / 1.625).toFixed(0));
-            tachometerNeedle.setValue(rpm);
-            tachometerText.setValue((rpm / 1000.0).toFixed(1));
-        }
     }
 
     function menuSelect(next) {