Beginnings of textfield widget

OpenRA.Game/Widgets/TextFieldWidget.cs

@@ -0,0 +1,98 @@
+#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;
+
+namespace OpenRA.Widgets
+{
+	class TextFieldWidget : Widget
+	{
+		string TextBuffer = "zomg text";
+		
+		public TextFieldWidget()
+			: base()
+		{
+		}
+		
+		public TextFieldWidget(Widget widget)
+			:base(widget)
+		{
+			TextBuffer = (widget as TextFieldWidget).TextBuffer;
+		}
+
+		public override bool HandleInput(MouseInput mi)
+		{
+			// Are we able to handle this event?
+			if (!Visible || !GetEventBounds().Contains(mi.Location.X,mi.Location.Y))
+				return base.HandleInput(mi);
+			
+			if (base.HandleInput(mi))
+				return true;
+			
+			if (mi.Event == MouseInputEvent.Down)
+			{
+				Chrome.keyboardFocusWidget = this;
+				return true;
+			}
+			
+			return false;
+		}
+		
+		public override bool HandleKeyPress(System.Windows.Forms.KeyPressEventArgs e, Modifiers modifiers)
+		{
+			if (base.HandleKeyPress(e,modifiers))
+				return true;
+			
+			TypeChar(e.KeyChar);
+			return true;
+		}
+		
+		public void TypeChar(char c)
+		{
+			if (c == '\b' || c == 0x7f)
+			{
+				if (TextBuffer.Length > 0)
+					TextBuffer = TextBuffer.Remove(TextBuffer.Length - 1);
+			}
+			else if (!char.IsControl(c))
+				TextBuffer += c;
+		}
+		
+		public override void DrawInner(World world)
+		{
+			var pos = DrawPosition();
+			int margin = 10;
+			WidgetUtils.DrawPanel("dialog3", 
+				new Rectangle(pos.X, pos.Y, Bounds.Width, Bounds.Height ) );
+			
+			var text = TextBuffer;
+			Game.chrome.renderer.BoldFont.DrawText(text,
+				new int2( pos.X + margin, pos.Y + Bounds.Height / 2)
+					- new int2(0, Game.chrome.renderer.BoldFont.Measure(text).Y / 2),
+			    Color.White);
+		}
+		
+		public override Widget Clone()
+		{	
+			return new TextFieldWidget(this);
+		}
+	}
+}