Add faction specific tooltip backgrounds.

OpenRA.Mods.Common/Widgets/WorldLabelWithTooltipWidget.cs

@@ -0,0 +1,44 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2019 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets
+{
+	public class WorldLabelWithTooltipWidget : LabelWithTooltipWidget
+	{
+		readonly World world;
+
+		[ObjectCreator.UseCtor]
+		public WorldLabelWithTooltipWidget(World world)
+			: base()
+		{
+			this.world = world;
+		}
+
+		protected WorldLabelWithTooltipWidget(WorldLabelWithTooltipWidget other)
+			: base(other)
+		{
+			world = other.world;
+		}
+
+		public override Widget Clone() { return new WorldLabelWithTooltipWidget(this); }
+
+		public override void MouseEntered()
+		{
+			if (TooltipContainer == null)
+				return;
+
+			if (GetTooltipText != null)
+				tooltipContainer.Value.SetTooltip(TooltipTemplate, new WidgetArgs() { { "getText", GetTooltipText }, { "world", world } });
+		}
+	}
+}