git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1244 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Region.cs

@@ -12,7 +12,47 @@ namespace OpenRa.Game
 		Size size;
 		MethodInvoker drawFunction;
 
-		public Region(Point location, Size size, MethodInvoker drawFunction)
+		static Size MakeSize(Viewport v, DockStyle d, int size)
+		{
+			switch (d)
+			{
+				case DockStyle.Top:
+				case DockStyle.Bottom:
+					return new Size(v.Width, size);
+
+				case DockStyle.Left:
+				case DockStyle.Right:
+					return new Size(size, v.Height);
+
+				default:
+					throw new NotImplementedException();
+			}
+		}
+
+		public static Region Create(Viewport v, DockStyle d, int size, MethodInvoker f)
+		{
+			Point topLeft = new Point(0, 0);
+			Point bottomRight = new Point(v.ClientSize);
+
+			Size s = MakeSize(v, d, size);
+
+			switch (d)
+			{
+				case DockStyle.Top:
+				case DockStyle.Left:
+					return new Region(topLeft, s, f);
+
+				case DockStyle.Right:
+				case DockStyle.Bottom:
+					Point origin = bottomRight; origin.Offset( -s.Width, -s.Height );
+					return new Region(origin, s, f);
+
+				default:
+					throw new NotImplementedException();
+			}
+		}
+
+		Region(Point location, Size size, MethodInvoker drawFunction)
 		{
 			this.location = location;
 			this.size = size;