Improves player name text field in game lobby.

Esc key resets text field to unmodified value and yields focus.

OpenRA.Mods.Common/Widgets/Logic/Lobby/LobbyUtils.cs

@@ -257,23 +257,35 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 			name.IsDisabled = () => orderManager.LocalClient.IsReady;
 
 			name.Text = c.Name;
+			var escPressed = false;
 			name.OnLoseFocus = () =>
 			{
+				if (escPressed)
+				{
+					escPressed = false;
+					return;
+				}
+
 				name.Text = name.Text.Trim();
 				if (name.Text.Length == 0)
 					name.Text = c.Name;
-
-				if (name.Text == c.Name)
-					return;
-
+				else if (name.Text != c.Name)
+				{
 					name.Text = Settings.SanitizedPlayerName(name.Text);
-
 					orderManager.IssueOrder(Order.Command("name " + name.Text));
 					Game.Settings.Player.Name = name.Text;
 					Game.Settings.Save();
+				}
 			};
 
 			name.OnEnterKey = () => { name.YieldKeyboardFocus(); return true; };
+			name.OnEscKey = () =>
+			{
+				name.Text = c.Name;
+				escPressed = true;
+				name.YieldKeyboardFocus();
+				return true;
+			};
 		}
 
 		public static void SetupNameWidget(Widget parent, Session.Slot s, Session.Client c)