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| unit main;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
Menus, StdCtrls, Buttons, ScktComp, ExtCtrls, ComCtrls, CoolTrayIcon;
type
TChatForm = class(TForm)
MainMenu1: TMainMenu;
File1: TMenuItem;
Exit1: TMenuItem;
FileConnectItem: TMenuItem;
FileListenItem: TMenuItem;
StatusBar1: TStatusBar;
Memo1: TMemo;
Memo2: TMemo;
N1: TMenuItem;
Disconnect1: TMenuItem;
ServerSocket: TServerSocket;
ClientSocket: TClientSocket;
Info1: TMenuItem;
CoolTrayIcon1: TCoolTrayIcon;
PopupMenu1: TPopupMenu;
Start1: TMenuItem;
procedure FileListenItemClick(Sender: TObject);
procedure FileConnectItemClick(Sender: TObject);
procedure Exit1Click(Sender: TObject);
procedure Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure FormCreate(Sender: TObject);
procedure ServerSocketError(Sender: TObject; Number: Smallint;
var Description: string; Scode: Integer; const Source,
HelpFile: string; HelpContext: Integer; var CancelDisplay: Wordbool);
procedure Disconnect1Click(Sender: TObject);
procedure ClientSocketConnect(Sender: TObject;
Socket: TCustomWinSocket);
procedure ClientSocketRead(Sender: TObject; Socket: TCustomWinSocket);
procedure ServerSocketClientRead(Sender: TObject;
Socket: TCustomWinSocket);
procedure ServerSocketAccept(Sender: TObject;
Socket: TCustomWinSocket);
procedure ServerSocketClientConnect(Sender: TObject;
Socket: TCustomWinSocket);
procedure ClientSocketDisconnect(Sender: TObject;
Socket: TCustomWinSocket);
procedure ClientSocketError(Sender: TObject; Socket: TCustomWinSocket;
ErrorEvent: TErrorEvent; var ErrorCode: Integer);
procedure ServerSocketClientDisconnect(Sender: TObject;
Socket: TCustomWinSocket);
procedure Info1Click(Sender: TObject);
procedure Start1Click(Sender: TObject);
protected
IsServer: Boolean;
end;
var
ChatForm: TChatForm;
Server: String;
implementation
uses Unit1;
{$R *.dfm}
procedure TChatForm.FileListenItemClick(Sender: TObject);
begin
FileListenItem.Checked := not FileListenItem.Checked;
if FileListenItem.Checked then
begin
ClientSocket.Active := False;
ServerSocket.Active := True;
Statusbar1.Panels[0].Text := 'Listening...';
end
else
begin
if ServerSocket.Active then
ServerSocket.Active := False;
Statusbar1.Panels[0].Text := '';
end;
end;
procedure TChatForm.FileConnectItemClick(Sender: TObject);
begin
server := '192.168.236.111';
if ClientSocket.Active then ClientSocket.Active := False;
if InputQuery('Computer to connect to', 'Address Name:', Server) then
if Length(Server) > 0 then
with ClientSocket do
begin
Host := Server;
Active := True;
FileListenItem.Checked := False;
end;
end;
procedure TChatForm.Exit1Click(Sender: TObject);
begin
ServerSocket.Close;
ClientSocket.Close;
Close;
end;
procedure TChatForm.Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_Return then
if IsServer then
ServerSocket.Socket.Connections[0].SendText(Memo1.Lines[Memo1.Lines.Count - 1])
else
ClientSocket.Socket.SendText(Memo1.Lines[Memo1.Lines.Count - 1]);
end;
procedure TChatForm.FormCreate(Sender: TObject);
begin
FileListenItemClick(nil);
end;
procedure TChatForm.ServerSocketError(Sender: TObject; Number: Smallint;
var Description: string; Scode: Integer; const Source, HelpFile: string;
HelpContext: Integer; var CancelDisplay: Wordbool);
begin
ShowMessage(Description);
end;
procedure TChatForm.Disconnect1Click(Sender: TObject);
begin
ClientSocket.Active := False;
ServerSocket.Active := True;
Statusbar1.Panels[0].Text := 'Listening...';
end;
procedure TChatForm.ClientSocketConnect(Sender: TObject;
Socket: TCustomWinSocket);
begin
Statusbar1.Panels[0].Text := 'Connected to: ' + Socket.RemoteHost;
Application.Restore;
end;
procedure TChatForm.ClientSocketRead(Sender: TObject;
Socket: TCustomWinSocket);
begin
Memo2.Lines.Add(Socket.ReceiveText);
end;
procedure TChatForm.ServerSocketClientRead(Sender: TObject;
Socket: TCustomWinSocket);
begin
Memo2.Lines.Add(Socket.ReceiveText);
end;
procedure TChatForm.ServerSocketAccept(Sender: TObject;
Socket: TCustomWinSocket);
begin
IsServer := True;
Statusbar1.Panels[0].Text := 'Connected to: ' + Socket.RemoteAddress;
end;
procedure TChatForm.ServerSocketClientConnect(Sender: TObject;
Socket: TCustomWinSocket);
begin
Memo2.Lines.Clear;
Application.Restore;
end;
procedure TChatForm.ClientSocketDisconnect(Sender: TObject;
Socket: TCustomWinSocket);
begin
FileListenItemClick(nil);
end;
procedure TChatForm.ClientSocketError(Sender: TObject;
Socket: TCustomWinSocket; ErrorEvent: TErrorEvent;
var ErrorCode: Integer);
begin
Memo2.Lines.Add('Error connecting to : ' + Server);
ErrorCode := 0;
end;
procedure TChatForm.ServerSocketClientDisconnect(Sender: TObject;
Socket: TCustomWinSocket);
begin
Statusbar1.Panels[0].Text := 'Listening...';
end;
procedure TChatForm.Info1Click(Sender: TObject);
begin
Form1.Show;
end;
procedure TChatForm.Start1Click(Sender: TObject);
begin
Application.Restore;
end;
end. |
