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unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, DesignText, XPStyler, ScktComp, Menus, BarMenus, CopyRightInfo;

type
  TForm1 = class(TForm)
    Button1: TButton;
    DesignText1: TDesignText;
    Edit1: TEdit;
    ColorDialog1: TColorDialog;
    Button2: TButton;
    XPStyler1: TXPStyler;
    ClientSocket1: TClientSocket;
    ServerSocket1: TServerSocket;
    BcBarPopupMenu1: TBcBarPopupMenu;
    Eintrgelschen1: TMenuItem;
    Edit2: TEdit;
    CopyRightDialog1: TCopyRightDialog;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure ServerSocket1ClientRead(Sender: TObject;
      Socket: TCustomWinSocket);
    procedure Eintrgelschen1Click(Sender: TObject);
    procedure ClientSocket1Connecting(Sender: TObject;
      Socket: TCustomWinSocket);
    procedure ClientSocket1Disconnect(Sender: TObject;
      Socket: TCustomWinSocket);
    procedure ClientSocket1Read(Sender: TObject; Socket: TCustomWinSocket);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;
  a: string;

implementation

{$R *.DFM}

procedure TForm1.FormCreate(Sender: TObject);
begin
     CopyrightDialog1.Execute(3000);
     
     ColorDialog1.Color := ClWhite;

     DesignText1.NewDraw;

     ServerSocket1.Port := 12000;

     if ServerSocket1.Active = false then
     begin
          ServerSocket1.Open;
          DesignText1.addTextLine('<c>' + inttostr(ColorDialog1.Color) + '</c>' + 'Server online');
     end;

     if ServerSocket1.Active = true then
     begin
          ClientSocket1.Port := 12000;
          ClientSocket1.Host := 'localhost';
          ClientSocket1.Open;
     end;

     ColorDialog1.Color := ClRed;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
     a := Edit1.Text;

     if (ClientSocket1.Active) then
     begin
          ClientSocket1.Socket.SendText('<c>' + inttostr(ColorDialog1.Color) + '</c>' + a)
     end
     else
     begin
          DesignText1.AddTextLine('Nicht Verbunden!');
     end;

     Edit1.Text := '';
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
     if ColorDialog1.Execute then
     begin
          ColorDialog1.Color := ColorDialog1.Color;
     end;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
      if (ClientSocket1.Active)then
      begin
           ClientSocket1.Close;
      end;
end;

procedure TForm1.ServerSocket1ClientRead(Sender: TObject;
  Socket: TCustomWinSocket);
var MyMessage: String;
    i: Integer;
begin
     MyMessage := Edit2.Text + ': ' + Socket.ReceiveText;

     ColorDialog1.Color := ColorDialog1.Color;
     DesignText1.AddSpeedLine('<c>' + inttostr(ColorDialog1.Color)+ '</c>' + MyMessage);

     for i := 0 to ServerSocket1.Socket.ActiveConnections - 1 do
     begin
          ServerSocket1.Socket.Connections[i].SendText(MyMessage);
     end;
end;

procedure TForm1.Eintrgelschen1Click(Sender: TObject);
begin
     DesignText1.Clear;
end;

procedure TForm1.ClientSocket1Connecting(Sender: TObject;
  Socket: TCustomWinSocket);
begin
     ColorDialog1.Color := ClYellow;

     DesignText1.AddTextLine('<c>' + inttostr(ColorDialog1.Color) + '</c>' + 'Verbunden mit ' + 'localhost');

     ColorDialog1.Color := ClRed;
end;

procedure TForm1.ClientSocket1Disconnect(Sender: TObject;
  Socket: TCustomWinSocket);
begin
      DesignText1.addTextLine('verbindung getrennt');
end;

procedure TForm1.ClientSocket1Read(Sender: TObject;
  Socket: TCustomWinSocket);
begin
       DesignText1.AddTextLine('<c>' + inttostr(ColorDialog1.Color) + '</c>' + Socket.ReceiveText);
end;

end.