Unify all mods on the C&C order button logic.

OpenRA.Mods.RA/Widgets/Logic/ButtonTooltipLogic.cs

@@ -0,0 +1,36 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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 OpenRA.Widgets;
+
+namespace OpenRA.Mods.RA.Widgets.Logic
+{
+	public class ButtonTooltipLogic
+	{
+		[ObjectCreator.UseCtor]
+		public ButtonTooltipLogic(Widget widget, ButtonWidget button)
+		{
+			var label = widget.Get<LabelWidget>("LABEL");
+			var hotkey = widget.Get<LabelWidget>("HOTKEY");
+
+			label.GetText = () => button.TooltipText;
+			var labelWidth = Game.Renderer.Fonts[label.Font].Measure(button.TooltipText).X;
+			label.Bounds.Width = labelWidth;
+
+			var hotkeyLabel = "({0})".F(button.Key.DisplayString());
+			hotkey.GetText = () => hotkeyLabel;
+			hotkey.Bounds.X = labelWidth + 2 * label.Bounds.X;
+
+			var panelWidth = hotkey.Bounds.X + label.Bounds.X
+				+ Game.Renderer.Fonts[label.Font].Measure(hotkeyLabel).X;
+			widget.Bounds.Width = panelWidth;
+		}
+	}
+}