Die Gui hat nun ein Chatfenster. Bisher können lediglich nachrichten

versandt, jedoch nicht empfangen werden.

src/Gui/ChatInputBox.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace WorldOfPeacecraft
+{
+	public class ChatInputBox : TextBox
+	{
+		private LinkedList<string> InputHistory = new LinkedList<string>();
+		private LinkedListNode<string> CurrentHistoryEntry;
+
+		public delegate void ChatMessageSubmittedEventHandler (string message);
+		public event ChatMessageSubmittedEventHandler ChatMessageSubmitted;
+
+		public ChatInputBox ()
+		{
+			this.KeyDown += KeyDownEvent;
+			this.KeyPress += KeyPressEvent;
+		}
+
+		private void KeyPressEvent (object o, KeyPressEventArgs args)
+		{
+			// Supress the "ding"-sound
+			if (args.KeyChar == (char)Keys.Return) {
+				args.Handled = true;
+			}
+		}
+
+		private void KeyDownEvent (object o, KeyEventArgs args)
+		{
+			if (args.KeyCode == Keys.Return) {
+				if (this.Text != "")
+				{
+					string message = this.Text;
+					this.Text = "";
+					if (CurrentHistoryEntry == null) {
+						InputHistory.AddLast (message);
+					}
+					else {
+						CurrentHistoryEntry.Value = message;
+						CurrentHistoryEntry = null;
+					}
+					if (ChatMessageSubmitted != null) {
+						this.ChatMessageSubmitted (message);
+					}
+				}
+				args.Handled = true;
+			} else if (args.KeyCode == Keys.Up) {
+				if (InputHistory.Count > 0) {
+					if (CurrentHistoryEntry == null) {
+						CurrentHistoryEntry = InputHistory.Last;
+						if (this.Text != "")
+						{
+							InputHistory.AddLast(this.Text);
+						}
+						this.Text = CurrentHistoryEntry.Value;
+						args.Handled = true;
+					} else {
+						if (CurrentHistoryEntry != InputHistory.First) {
+							CurrentHistoryEntry.Value = this.Text;
+							CurrentHistoryEntry = CurrentHistoryEntry.Previous;
+							this.Text = CurrentHistoryEntry.Value;
+							args.Handled = true;
+						}
+					}
+				}
+			} else if (args.KeyCode == Keys.Down) {
+				if (CurrentHistoryEntry != null)
+				{
+					CurrentHistoryEntry.Value = this.Text;
+					CurrentHistoryEntry = CurrentHistoryEntry.Next;
+					if (CurrentHistoryEntry == null) {
+						this.Text = "";
+					} else {
+						this.Text = CurrentHistoryEntry.Value;
+					}
+				}
+			}
+		}
+	}
+
+}