Initial commit: PulseDock System Monitor

src/PulseDock.App/Controls/ProgressRingControl.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Windows;
+using System.Windows.Media;
+using Brush = System.Windows.Media.Brush;
+using Brushes = System.Windows.Media.Brushes;
+using Color = System.Windows.Media.Color;
+using Pen = System.Windows.Media.Pen;
+using Point = System.Windows.Point;
+using Size = System.Windows.Size;
+
+namespace PulseDock.App.Controls
+{
+    public class ProgressRingControl : FrameworkElement
+    {
+        public static readonly DependencyProperty ValueProperty =
+            DependencyProperty.Register(
+                nameof(Value),
+                typeof(double),
+                typeof(ProgressRingControl),
+                new FrameworkPropertyMetadata(0.0, FrameworkPropertyMetadataOptions.AffectsRender));
+
+        public static readonly DependencyProperty StrokeThicknessProperty =
+            DependencyProperty.Register(
+                nameof(StrokeThickness),
+                typeof(double),
+                typeof(ProgressRingControl),
+                new FrameworkPropertyMetadata(4.0, FrameworkPropertyMetadataOptions.AffectsRender));
+
+        public static readonly DependencyProperty ProgressBrushProperty =
+            DependencyProperty.Register(
+                nameof(ProgressBrush),
+                typeof(Brush),
+                typeof(ProgressRingControl),
+                new FrameworkPropertyMetadata(Brushes.DarkViolet, FrameworkPropertyMetadataOptions.AffectsRender));
+
+        public double Value
+        {
+            get => (double)GetValue(ValueProperty);
+            set => SetValue(ValueProperty, value);
+        }
+
+        public double StrokeThickness
+        {
+            get => (double)GetValue(StrokeThicknessProperty);
+            set => SetValue(StrokeThicknessProperty, value);
+        }
+
+        public Brush ProgressBrush
+        {
+            get => (Brush)GetValue(ProgressBrushProperty);
+            set => SetValue(ProgressBrushProperty, value);
+        }
+
+        protected override void OnRender(DrawingContext drawingContext)
+        {
+            base.OnRender(drawingContext);
+
+            double width = ActualWidth;
+            double height = ActualHeight;
+            if (width <= 0 || height <= 0) return;
+
+            double radius = (Math.Min(width, height) - StrokeThickness) / 2.0;
+            var center = new Point(width / 2.0, height / 2.0);
+
+            // Background circle
+            var bgPen = new Pen(new SolidColorBrush(Color.FromArgb(40, 255, 255, 255)), StrokeThickness);
+            bgPen.Freeze();
+            drawingContext.DrawEllipse(null, bgPen, center, radius, radius);
+
+            double pct = Math.Clamp(Value, 0.0, 100.0) / 100.0;
+            if (pct <= 0.001) return;
+
+            double angle = pct * 360.0;
+            if (angle >= 360.0) angle = 359.99; // Avoid full circle arc overlap issues
+
+            Point startPoint = new Point(center.X, center.Y - radius);
+            double radians = (angle - 90.0) * (Math.PI / 180.0);
+            Point endPoint = new Point(center.X + radius * Math.Cos(radians), center.Y + radius * Math.Sin(radians));
+
+            bool isLargeArc = angle > 180.0;
+
+            var geometry = new StreamGeometry();
+            using (var ctx = geometry.Open())
+            {
+                ctx.BeginFigure(startPoint, isFilled: false, isClosed: false);
+                ctx.ArcTo(endPoint, new Size(radius, radius), 0, isLargeArc, SweepDirection.Clockwise, isStroked: true, isSmoothJoin: true);
+            }
+            geometry.Freeze();
+
+            var fgPen = new Pen(ProgressBrush, StrokeThickness)
+            {
+                StartLineCap = PenLineCap.Round,
+                EndLineCap = PenLineCap.Round
+            };
+            fgPen.Freeze();
+
+            drawingContext.DrawGeometry(null, fgPen, geometry);
+        }
+    }
+}

src/PulseDock.App/Controls/SparklineControl.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Media;
+using Brush = System.Windows.Media.Brush;
+using Brushes = System.Windows.Media.Brushes;
+using Pen = System.Windows.Media.Pen;
+using Point = System.Windows.Point;
+
+namespace PulseDock.App.Controls
+{
+    public class SparklineControl : FrameworkElement
+    {
+        public static readonly DependencyProperty ValuesProperty =
+            DependencyProperty.Register(
+                nameof(Values),
+                typeof(IEnumerable<float>),
+                typeof(SparklineControl),
+                new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.AffectsRender));
+
+        public static readonly DependencyProperty LineColorProperty =
+            DependencyProperty.Register(
+                nameof(LineColor),
+                typeof(Brush),
+                typeof(SparklineControl),
+                new FrameworkPropertyMetadata(Brushes.Cyan, FrameworkPropertyMetadataOptions.AffectsRender));
+
+        public static readonly DependencyProperty LineThicknessProperty =
+            DependencyProperty.Register(
+                nameof(LineThickness),
+                typeof(double),
+                typeof(SparklineControl),
+                new FrameworkPropertyMetadata(1.5, FrameworkPropertyMetadataOptions.AffectsRender));
+
+        public IEnumerable<float>? Values
+        {
+            get => (IEnumerable<float>?)GetValue(ValuesProperty);
+            set => SetValue(ValuesProperty, value);
+        }
+
+        public Brush LineColor
+        {
+            get => (Brush)GetValue(LineColorProperty);
+            set => SetValue(LineColorProperty, value);
+        }
+
+        public double LineThickness
+        {
+            get => (double)GetValue(LineThicknessProperty);
+            set => SetValue(LineThicknessProperty, value);
+        }
+
+        protected override void OnRender(DrawingContext drawingContext)
+        {
+            base.OnRender(drawingContext);
+
+            var values = Values?.ToArray();
+            if (values == null || values.Length < 2 || ActualWidth <= 0 || ActualHeight <= 0)
+                return;
+
+            double width = ActualWidth;
+            double height = ActualHeight;
+
+            float min = 0f;
+            float max = 100f; // Scale percentage or range dynamically
+            float actualMax = values.Max();
+            if (actualMax > 100f) max = actualMax;
+
+            var geometry = new StreamGeometry();
+            using (var ctx = geometry.Open())
+            {
+                double stepX = width / (values.Length - 1);
+
+                for (int i = 0; i < values.Length; i++)
+                {
+                    double x = i * stepX;
+                    float val = Math.Clamp(values[i], min, max);
+                    double normY = (val - min) / (max - min);
+                    double y = height - (normY * (height - 4)) - 2;
+
+                    var point = new Point(x, y);
+
+                    if (i == 0)
+                        ctx.BeginFigure(point, isFilled: false, isClosed: false);
+                    else
+                        ctx.LineTo(point, isStroked: true, isSmoothJoin: true);
+                }
+            }
+
+            geometry.Freeze();
+            var pen = new Pen(LineColor, LineThickness);
+            pen.Freeze();
+            drawingContext.DrawGeometry(null, pen, geometry);
+        }
+    }
+}