Move common widgets from Game to Mods.Common.

OpenRA.Mods.Common/Widgets/TooltipContainerWidget.cs

@@ -0,0 +1,64 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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.Graphics;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets
+{
+	public class TooltipContainerWidget : Widget
+	{
+		static readonly Action Nothing = () => { };
+		public int2 CursorOffset = new int2(0, 20);
+		public Action BeforeRender = Nothing;
+		public int TooltipDelay = 5;
+		Widget tooltip;
+
+		public TooltipContainerWidget()
+		{
+			IsVisible = () => Viewport.TicksSinceLastMove >= TooltipDelay;
+		}
+
+		public void SetTooltip(string id, WidgetArgs args)
+		{
+			RemoveTooltip();
+			tooltip = Ui.LoadWidget(id, this, new WidgetArgs(args) { { "tooltipContainer", this } });
+		}
+
+		public void RemoveTooltip()
+		{
+			RemoveChildren();
+			BeforeRender = Nothing;
+		}
+
+		public override void Draw() { BeforeRender(); }
+
+		public override Rectangle GetEventBounds() { return Rectangle.Empty; }
+
+		public override int2 ChildOrigin
+		{
+			get
+			{
+				var pos = Viewport.LastMousePos + (CursorProvider.CursorViewportZoomed ? CursorOffset * 2 : CursorOffset);
+				if (tooltip != null)
+				{
+					if (pos.X + tooltip.Bounds.Right > Game.Renderer.Resolution.Width)
+						pos = pos.WithX(Game.Renderer.Resolution.Width - tooltip.Bounds.Right);
+				}
+
+				return pos;
+			}
+		}
+
+		public override string GetCursor(int2 pos) { return null; }
+	}
+}