Rename TooltipButton -> ToggleButton and add an active state. Use for production group icons.

OpenRA.Mods.Cnc/Widgets/ToggleButtonWidget.cs

@@ -0,0 +1,61 @@
+#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 System.Drawing;
+using OpenRA.FileFormats;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Cnc.Widgets
+{
+	public class ToggleButtonWidget : ButtonWidget
+	{
+		public readonly string TooltipTemplate = "BUTTON_TOOLTIP";
+		public readonly string TooltipText;
+		public readonly string TooltipContainer;
+		public Func<bool> IsToggled = () => false;
+		Lazy<TooltipContainerWidget> tooltipContainer;
+
+		public ToggleButtonWidget()
+			: base()
+		{
+			tooltipContainer = new Lazy<TooltipContainerWidget>(() =>
+				Widget.RootWidget.GetWidget<TooltipContainerWidget>(TooltipContainer));
+		}
+
+		protected ToggleButtonWidget(ToggleButtonWidget other)
+			: base(other)
+		{
+			TooltipTemplate = other.TooltipTemplate;
+			TooltipText = other.TooltipText;
+			TooltipContainer = other.TooltipContainer;
+			tooltipContainer = new Lazy<TooltipContainerWidget>(() =>
+				Widget.RootWidget.GetWidget<TooltipContainerWidget>(TooltipContainer));
+		}
+
+		public override void MouseEntered()
+		{
+			if (TooltipContainer == null) return;
+			tooltipContainer.Value.SetTooltip(TooltipTemplate, new WidgetArgs() {{ "button", this }});
+		}
+
+		public override void MouseExited()
+		{
+			if (TooltipContainer == null) return;
+			tooltipContainer.Value.RemoveTooltip();
+		}
+
+		public override void DrawBackground(Rectangle rect, bool disabled, bool pressed, bool hover)
+		{
+			var baseName = IsToggled() ? "button-toggled" : "button";
+			ButtonWidget.DrawBackground(baseName, rect, disabled, pressed, hover);
+		}
+	}
+}