Progress ring work sort of completed

App/KingPing/Views/AnalogOutputView.axaml

@@ -2,8 +2,7 @@
     x:Class="KingPing.AnalogOutputView"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-	<SettingsExpander.Footer>
+    <SettingsExpander.Footer>
-		<ProgressRing />
+        <ProgressRing IsIndeterminate="True" />
-
+    </SettingsExpander.Footer>
-	</SettingsExpander.Footer>
 </SettingsExpander>

UI/Avalonia.Controls/ProgressRing/ProgressRing.axaml

@@ -29,10 +29,11 @@
                         SweepAngle="360" />
                     <Arc
                         x:Name="Arc"
-                        StartAngle="0"
+                        StartAngle="270"
                         Stroke="{DynamicResource ProgressRingForeground}"
                         StrokeLineCap="Round"
-                        StrokeThickness="{DynamicResource ProgressRingStrokeThickness}" />
+                        StrokeThickness="{DynamicResource ProgressRingStrokeThickness}"
+                        SweepAngle="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=TemplateSettings.SweepAngle}" />
                 </Grid>
             </ControlTemplate>
         </Setter>

UI/Avalonia.Controls/ProgressRing/ProgressRing.cs

@@ -7,7 +7,15 @@ namespace TheXamlGuy.UI.Avalonia.Controls
     public class ProgressRing : RangeBase
     {
         public static readonly StyledProperty<bool> IsIndeterminateProperty =
-            AvaloniaProperty.Register<ProgressRing, bool>(nameof(IsIndeterminate), true);
+            AvaloniaProperty.Register<ProgressRing, bool>(nameof(IsIndeterminate), false);
+
+        public static readonly StyledProperty<ProgressRingTemplateSettings> TemplateSettingsProperty =
+            AvaloniaProperty.Register<ProgressRing, ProgressRingTemplateSettings>(nameof(TemplateSettings));
+
+        public ProgressRing()
+        {
+            SetValue(TemplateSettingsProperty, new ProgressRingTemplateSettings());
+        }
 
         public bool IsIndeterminate
         {
@@ -15,23 +23,40 @@ namespace TheXamlGuy.UI.Avalonia.Controls
             set => SetValue(IsIndeterminateProperty, value);
         }
 
+        public ProgressRingTemplateSettings TemplateSettings
+        {
+            get => GetValue(TemplateSettingsProperty);
+            set => SetValue(TemplateSettingsProperty, value);
+        }
+
         protected override void OnApplyTemplate(TemplateAppliedEventArgs args)
         {
             UpdateIsIndeterminate();
+            UpdateValue();
+        }
+
+        protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs args)
+        {
+            base.OnPropertyChanged(args);
+            if (args.Property == IsIndeterminateProperty)
+            {
+                UpdateIsIndeterminate();
+            }
+            
+            if (args.Property == ValueProperty)
+            {
+                UpdateValue();
+            }
         }
 
         private void UpdateIsIndeterminate()
         {
             PseudoClasses.Set(":indeterminate", IsIndeterminate);
-
         }
-        protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+
+        private void UpdateValue()
         {
-            base.OnPropertyChanged(change);
+            TemplateSettings.SetValue(ProgressRingTemplateSettings.SweepAngleProperty, Value == Maximum ? 360 : 360 * (Value / (Maximum - Minimum)));
-            if (change.Property == IsIndeterminateProperty)
-            {
-                UpdateIsIndeterminate();
-            }
         }
     }
 }

UI/Avalonia.Controls/ProgressRing/ProgressRingTemplateSettings.cs

@@ -0,0 +1,17 @@
+using Avalonia;
+using Avalonia.Controls.Primitives;
+
+namespace TheXamlGuy.UI.Avalonia.Controls
+{
+    public class ProgressRingTemplateSettings : TemplatedControl
+    {
+        public static readonly StyledProperty<double> SweepAngleProperty =
+            AvaloniaProperty.Register<ProgressRingTemplateSettings, double>(nameof(SweepAngle), 0);
+
+        public double SweepAngle
+        {
+            get => GetValue(SweepAngleProperty);
+            set => SetValue(SweepAngleProperty, value);
+        }
+    }
+}