fix chat (1/2)

OpenRA.Game/Widgets/ChatEntryWidget.cs

@@ -0,0 +1,90 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it 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.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace OpenRA.Widgets
+{
+	// a dirty hack of a widget, which likes to steal the focus when \r is pressed, and then
+	// refuse to give it up until \r is pressed again.
+
+	class ChatEntryWidget : Widget
+	{
+		string content = "";
+		bool composing = true;
+
+		public override void DrawInner(World world)
+		{
+			//if (!composing)
+			//	return;
+
+			Game.chrome.renderer.BoldFont.DrawText("Chat:", RenderOrigin + new float2(3, 7), Color.White);
+			Game.chrome.renderer.RegularFont.DrawText(content, RenderOrigin + new float2(40, 7), Color.White);
+
+			Game.chrome.renderer.RgbaSpriteRenderer.Flush();
+		}
+
+		public override bool LoseFocus(MouseInput mi)
+		{
+			return composing ? false : base.LoseFocus(mi);
+		}
+
+		public override bool HandleKeyPress(KeyPressEventArgs e, Modifiers modifiers)
+		{
+			if (e.KeyChar == '\r')
+			{
+				if (composing)
+				{
+					composing = false;
+					if (content != "")
+						Game.IssueOrder(Order.Chat(content));
+					content = "";
+
+					LoseFocus();
+					return true;
+				}
+				else
+				{
+					TakeFocus(new MouseInput());
+					return true;
+				}
+			}
+
+			if (composing)
+			{
+				if (e.KeyChar == '\b' || e.KeyChar == 0x7f)
+				{
+					if (content.Length > 0)
+						content = content.Remove(content.Length - 1);
+				}
+				else if (!char.IsControl(e.KeyChar))
+				{
+					content += e.KeyChar;
+					return true;
+				}
+
+				return false;
+			}
+
+			return base.HandleKeyPress(e, modifiers);
+		}
+	}
+}