source: trunk/Forms/UFormTerminal.pas

unit UFormTerminal;

{$mode delphi}

interface

uses
  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls,
  UTerminal;

type

  { TFormTerminal }

  TFormTerminal = class(TForm)
    Memo1: TMemo;
    TimerRedraw: TTimer;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Memo1KeyPress(Sender: TObject; var Key: char);
    procedure Memo1KeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
    procedure TimerRedrawTimer(Sender: TObject);
  private
    RedrawPending: Boolean;
    procedure Redraw;
  public
    Terminal: TTerminal;
  end;

var
  FormTerminal: TFormTerminal;

implementation

{$R *.lfm}

{ TFormTerminal }

procedure TFormTerminal.FormCreate(Sender: TObject);
begin
  Terminal := TTerminal.Create;
end;

procedure TFormTerminal.FormDestroy(Sender: TObject);
begin
  FreeAndNil(Terminal);
end;

procedure TFormTerminal.FormShow(Sender: TObject);
begin
  Terminal.Run;
  Redraw;
end;

procedure TFormTerminal.Memo1KeyPress(Sender: TObject; var Key: char);
begin
  Terminal.KeyPress(Key);
  Redraw;
end;

procedure TFormTerminal.Memo1KeyUp(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  Terminal.KeyPressCode(Key);
  Redraw;
end;

procedure TFormTerminal.TimerRedrawTimer(Sender: TObject);
begin
  if RedrawPending then begin
    RedrawPending := False;
    Memo1.Lines.Text := Terminal.Output;
    Memo1.SelStart := Length(Memo1.Lines.Text);
  end;
end;

procedure TFormTerminal.Redraw;
begin
  RedrawPending := True;
end;

end.