New menu buttons that support hover and a disabled state

OpenRA.Mods.Cnc/Widgets/CncMenuButton.cs

@@ -0,0 +1,44 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+
+using System;
+using OpenRA.Widgets;
+using OpenRA.Graphics;
+using System.Drawing;
+namespace OpenRA.Mods.Cnc.Widgets
+{
+	public class CncMenuButtonWidget : ButtonWidget
+	{
+		public CncMenuButtonWidget() : base() { }
+		protected CncMenuButtonWidget(CncMenuButtonWidget widget)	: base(widget) { }
+
+		public Func<bool> IsDisabled = () => false;
+		
+		public override int2 ChildOrigin { get { return RenderOrigin; } }
+		public override void DrawInner()
+		{
+			var font = Game.Renderer.BoldFont;
+			var state = IsDisabled() ? "button-disabled" : 
+						Depressed ? "button-pressed" : 
+						RenderBounds.Contains(Viewport.LastMousePos) ? "button-hover" : 
+						"button";
+			
+			WidgetUtils.DrawPanel(state, RenderBounds);
+			var text = GetText();
+
+			font.DrawText(text,
+				new int2(RenderOrigin.X + UsableWidth / 2, RenderOrigin.Y + Bounds.Height / 2)
+					- new int2(font.Measure(text).X / 2,
+				font.Measure(text).Y / 2), IsDisabled() ? Color.Gray : Color.White);
+		}
+	}
+}
+