Nearly fully implemented surface rearranging

src/Artemis.UI/ViewModels/Controls/RgbDevice/RgbDeviceViewModel.cs

@@ -4,12 +4,15 @@ using System.Windows;
 using System.Windows.Input;
 using RGB.NET.Core;
 using Stylet;
+using Point = System.Windows.Point;
 
 namespace Artemis.UI.ViewModels.Controls.RgbDevice
 {
     public class RgbDeviceViewModel : PropertyChangedBase
     {
         private readonly List<RgbLedViewModel> _leds;
+        private double _dragOffsetX;
+        private double _dragOffsetY;
 
         public RgbDeviceViewModel(IRGBDevice device)
         {
@@ -38,6 +41,44 @@ namespace Artemis.UI.ViewModels.Controls.RgbDevice
                 rgbLedViewModel.ColorsEnabled = enabled;
         }
 
+        public void StartMouseDrag(Point mouseStartPosition)
+        {
+            _dragOffsetX = Device.Location.X - mouseStartPosition.X;
+            _dragOffsetY = Device.Location.Y - mouseStartPosition.Y;
+        }
+
+        public void UpdateMouseDrag(Point mousePosition)
+        {
+            var roundedX = Math.Round((mousePosition.X + _dragOffsetX) / 10, 0, MidpointRounding.AwayFromZero) * 10;
+            var roundedY = Math.Round((mousePosition.Y + _dragOffsetY) / 10, 0, MidpointRounding.AwayFromZero) * 10;
+            this.Device.Location = new RGB.NET.Core.Point(roundedX, roundedY);
+        }
+
+        public void FinishMouseDrag(Point mouseEndPosition)
+        {
+            // TODO: Save and update
+        }
+
+        // ReSharper disable once UnusedMember.Global - Called from view
+        public void MouseEnter()
+        {
+            if (SelectionStatus == SelectionStatus.None)
+            {
+                SelectionStatus = SelectionStatus.Hover;
+                Cursor = Cursors.Hand;
+            }
+        }
+
+        // ReSharper disable once UnusedMember.Global - Called from view
+        public void MouseLeave()
+        {
+            if (SelectionStatus == SelectionStatus.Hover)
+            {
+                SelectionStatus = SelectionStatus.None;
+                Cursor = Cursors.Arrow;
+            }
+        }
+
         public Rect DeviceRectangle => new Rect(Device.Location.X, Device.Location.Y, Device.Size.Width, Device.Size.Height);
     }
 

src/Artemis.UI/ViewModels/Controls/RgbDevice/RgbLedViewModel.cs

@@ -20,7 +20,6 @@ namespace Artemis.UI.ViewModels.Controls.RgbDevice
             Update();
         }
 
-        [DoNotNotify]
         public Led Led { get; }
 
         public double X { get; private set; }
@@ -97,6 +96,8 @@ namespace Artemis.UI.ViewModels.Controls.RgbDevice
         {
             if (ColorsEnabled)
             {
+                if (Led.Id == LedId.Keyboard_Y)
+                    Console.WriteLine();
                 var newColor = Led.Color.ToMediaColor();
                 SetColor(newColor);
             }