Programmer 7500/MAX_PROGRAMMERS.iso/PASCAL/PAS_ALL.ZIP/TI496.ASC

Text File | 1992-05-13 | 3.8 KB | 265 lines

  PRODUCT  :  Turbo Pascal                           NUMBER  :  496
  VERSION  :  6.0
       OS  :  Dos
     DATE  :  May 13, 1992                             PAGE  :  1/4

    TITLE  :  Turbo Vision, 132 Column Mode




  program TV132;

  { this program shows how to put a Turbo Vision application in
    132 column mode.  it is written specifically for an ATI VGA
    card but can be modified for other cards.  also your mouse
    drive must be able to support 132 columns. }

  {$X+}
  uses
     objects, drivers, views, app, dialogs , menus, dos;
  const
    cm_DoIt = 100;

  type
     PMyApp = ^TMyApp;
     TMyApp = object(TApplication)
       procedure InitMenuBar; virtual;
       procedure InitScreen; virtual;
       procedure HandleEvent(var Event: TEvent); virtual;
       procedure CMDoIt;
     end;

     PMyDialog = ^TMyDialog;
     TMyDialog = object(TDialog)
       procedure InitFrame; virtual;
       procedure HandleEvent(var Event: TEvent); virtual;
     end;

     PMyFrame = ^TMyFrame;
     TMyFrame = object(TFrame)
       procedure Draw; virtual;
     end;
























  PRODUCT  :  Turbo Pascal                           NUMBER  :  496
  VERSION  :  6.0
       OS  :  Dos
     DATE  :  May 13, 1992                             PAGE  :  2/4

    TITLE  :  Turbo Vision, 132 Column Mode




  procedure TMyFrame.Draw;
  begin
  end;

  procedure TMyDialog.InitFrame;
  var
    R: TRect;
  begin
    TDialog.InitFrame;
  (*
    R.Assign(0, 0, Size.X, Size.Y);
    Frame := new(PMyFrame, init(R));
  *)
  end;

  procedure TMyApp.CMDoIt;
  var
    D: PMyDialog;
    ILine : PInputLine;
    R: TRect;
  begin
    R.Assign(5, 5, 25, 12);
    new(D, init(R, 'Do It'));
    D^.SetState(sfShadow, false);
    R.Assign(1, 1, 19, 2);
    new(ILine, init(R, 20));
    R.Assign(1, 3, 19, 4);
    D^.Insert(Iline);
    D^.Insert(new(PInputline, init(R, 20)));
    R.Assign(1, 5, 11, 7);
    D^.Insert(new(PButton, Init(R, '~O~k', cmOk, bfDefault)));
    Iline^.Select;
    Desktop^.ExecView(D);
  end;

  procedure TMyDialog.HandleEvent(var Event: TEvent);
  begin
    if Event.What = evKeyDown then
      if Event.KeyCode = kbEnter then
        Event.KeyCode := kbTab;
    TDialog.HandleEvent(Event);
  end;














  PRODUCT  :  Turbo Pascal                           NUMBER  :  496
  VERSION  :  6.0
       OS  :  Dos
     DATE  :  May 13, 1992                             PAGE  :  3/4

    TITLE  :  Turbo Vision, 132 Column Mode




  procedure TMyApp.InitMenuBar;
  var R:TRect;
  begin
    GetExtent(R);
    R.B.Y := R.A.Y + 1;
    MenuBar := New(PMenuBar, Init(R, NewMenu(
      NewItem('~D~o it', '', kbNoKey, cm_DoIt, hcNoContext,
      nil)
    )));
  end;

  procedure TMyApp.HandleEvent(var Event: TEvent);
  begin
    TApplication.HandleEvent(Event);
    if Event.What = evCommand then
      if Event.Command = cm_DoIt then
      begin
        CMDoIt;
      end;
  end;

  procedure TMyApp.InitScreen;
  { this procedure is specific to an ATI VGA Card, you may need to
    modify if you have a different video card. }
  begin
    TApplication.InitScreen;
    asm
      mov ah, 0
      mov al, 23H
      int 10H
    end;
    ScreenMode := $23;
    ScreenHeight := 25;
    ScreenWidth := 132;
  end;





















  PRODUCT  :  Turbo Pascal                           NUMBER  :  496
  VERSION  :  6.0
       OS  :  Dos
     DATE  :  May 13, 1992                             PAGE  :  4/4

    TITLE  :  Turbo Vision, 132 Column Mode




  var
    MyApp: TMyApp;

  begin
    MyApp.Init;
    MyApp.Run;
    MyApp.Done;
  end.