using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Threading;


namespace ChatClient
{
	public class ChatClientForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button btnSend;
		private System.Windows.Forms.ListBox lstUsers;
		private System.Windows.Forms.Label label2;
		/// <summary>
		/// 必需的設計器變量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.TextBox txtHost;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.TextBox txtPort;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button btnLogin;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox tbSendContent;
		private System.Windows.Forms.RichTextBox rtbMsg;
		private System.Windows.Forms.Button btnColor;
		
		
		//與服務器的連接
		TcpClient tcpClient;
	
		//與服務器數據交互的流通道
		private NetworkStream Stream;


		//客戶端的狀態
		private static string CLOSED = "closed";
		private static string CONNECTED = "connected";
		private System.Windows.Forms.TextBox tbUserName;
		private System.Windows.Forms.CheckBox cbPrivate;
		private string state = CLOSED;

		private bool stopFlag;

		private Color color;

		public ChatClientForm()
		{
			//
			// Windows 窗體設計器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 調用后添加任何構造函數代碼
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.tbSendContent = new System.Windows.Forms.TextBox();
			this.btnSend = new System.Windows.Forms.Button();
			this.lstUsers = new System.Windows.Forms.ListBox();
			this.cbPrivate = new System.Windows.Forms.CheckBox();
			this.label2 = new System.Windows.Forms.Label();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.btnExit = new System.Windows.Forms.Button();
			this.btnLogin = new System.Windows.Forms.Button();
			this.tbUserName = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.txtPort = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.txtHost = new System.Windows.Forms.TextBox();
			this.label5 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.rtbMsg = new System.Windows.Forms.RichTextBox();
			this.btnColor = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// tbSendContent
			// 
			this.tbSendContent.Location = new System.Drawing.Point(280, 448);
			this.tbSendContent.Multiline = true;
			this.tbSendContent.Name = "tbSendContent";
			this.tbSendContent.Size = new System.Drawing.Size(472, 112);
			this.tbSendContent.TabIndex = 0;
			this.tbSendContent.Text = "";
			// 
			// btnSend
			// 
			this.btnSend.Location = new System.Drawing.Point(760, 448);
			this.btnSend.Name = "btnSend";
			this.btnSend.TabIndex = 1;
			this.btnSend.Text = "發送(&A)";
			this.btnSend.Click += new System.EventHandler(this.btnSend_Click);
			// 
			// lstUsers
			// 
			this.lstUsers.Location = new System.Drawing.Point(16, 112);
			this.lstUsers.Name = "lstUsers";
			this.lstUsers.ScrollAlwaysVisible = true;
			this.lstUsers.Size = new System.Drawing.Size(248, 459);
			this.lstUsers.TabIndex = 2;
			// 
			// cbPrivate
			// 
			this.cbPrivate.Location = new System.Drawing.Point(280, 408);
			this.cbPrivate.Name = "cbPrivate";
			this.cbPrivate.Size = new System.Drawing.Size(87, 22);
			this.cbPrivate.TabIndex = 7;
			this.cbPrivate.Text = "悄悄話";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 88);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(120, 21);
			this.label2.TabIndex = 9;
			this.label2.Text = "當前在線用戶列表：";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.btnExit);
			this.groupBox1.Controls.Add(this.btnLogin);
			this.groupBox1.Controls.Add(this.tbUserName);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.txtPort);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Controls.Add(this.txtHost);
			this.groupBox1.Controls.Add(this.label5);
			this.groupBox1.Location = new System.Drawing.Point(16, 8);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(816, 72);
			this.groupBox1.TabIndex = 21;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "聊天服務器設置";
			// 
			// btnExit
			// 
			this.btnExit.Location = new System.Drawing.Point(712, 32);
			this.btnExit.Name = "btnExit";
			this.btnExit.Size = new System.Drawing.Size(62, 22);
			this.btnExit.TabIndex = 25;
			this.btnExit.Text = "離開";
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click_1);
			// 
			// btnLogin
			// 
			this.btnLogin.DialogResult = System.Windows.Forms.DialogResult.OK;
			this.btnLogin.Location = new System.Drawing.Point(640, 32);
			this.btnLogin.Name = "btnLogin";
			this.btnLogin.Size = new System.Drawing.Size(62, 21);
			this.btnLogin.TabIndex = 24;
			this.btnLogin.Text = "登入";
			this.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);
			// 
			// tbUserName
			// 
			this.tbUserName.Location = new System.Drawing.Point(448, 32);
			this.tbUserName.Name = "tbUserName";
			this.tbUserName.Size = new System.Drawing.Size(84, 20);
			this.tbUserName.TabIndex = 22;
			this.tbUserName.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(368, 32);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(83, 21);
			this.label3.TabIndex = 23;
			this.label3.Text = "用戶名：";
			this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// txtPort
			// 
			this.txtPort.Location = new System.Drawing.Point(296, 32);
			this.txtPort.Name = "txtPort";
			this.txtPort.Size = new System.Drawing.Size(46, 20);
			this.txtPort.TabIndex = 21;
			this.txtPort.Text = "1234";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(216, 32);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(72, 22);
			this.label4.TabIndex = 20;
			this.label4.Text = "端口號：";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// txtHost
			// 
			this.txtHost.Location = new System.Drawing.Point(96, 32);
			this.txtHost.Name = "txtHost";
			this.txtHost.Size = new System.Drawing.Size(104, 20);
			this.txtHost.TabIndex = 19;
			this.txtHost.Text = "127.0.0.1";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(16, 32);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(83, 22);
			this.label5.TabIndex = 18;
			this.label5.Text = "服務器地址：";
			this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(280, 88);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(72, 21);
			this.label1.TabIndex = 22;
			this.label1.Text = "系統消息：";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// rtbMsg
			// 
			this.rtbMsg.Location = new System.Drawing.Point(280, 112);
			this.rtbMsg.Name = "rtbMsg";
			this.rtbMsg.Size = new System.Drawing.Size(552, 288);
			this.rtbMsg.TabIndex = 25;
			this.rtbMsg.Text = "";
			// 
			// btnColor
			// 
			this.btnColor.Location = new System.Drawing.Point(760, 488);
			this.btnColor.Name = "btnColor";
			this.btnColor.TabIndex = 28;
			this.btnColor.Text = "顏色";
			this.btnColor.Click += new System.EventHandler(this.btnColor_Click);
			// 
			// ChatClientForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(848, 589);
			this.Controls.Add(this.btnColor);
			this.Controls.Add(this.rtbMsg);
			this.Controls.Add(this.label1);