Pascal Super Library/Pascal Super Library (CW International)(1997).bin/BORL_TIP/TI100/TI668.ASC

Text File | 1992-08-12 | 5KB | 265 lines

  PRODUCT  :  Turbo Pascal                           NUMBER  :  668
  VERSION  :  6.0
       OS  :  MS/PC DOS
     DATE  :  August 12, 1992                          PAGE  :  1/4

    TITLE  :  Dual Input Lines in Turbo Vision




  {

  This program will create a record structure of two strings
  and initialize them with data then read them into a
  TInputLine.  The program will use the SetData and GetData
  methods to load and store data from the TInputLine Object.

  }
  {$X+}
  program DualInputExample;

  uses Objects, Drivers, Views, Menus, Dialogs, App;

  const
    cmNewDialog     = 100;
    hcMyDialog      = 300;

  type
    MyData = record
      Mystr1:String[10];              { Create a Record Structure }
      MyStr2:String[10];              { for Input Lines in Dialog }
      end;

  var
   RMyData: MyData;                   { Declare the Structure }

  type
    TMyApp = object(TApplication)
      constructor Init;
      procedure HandleEvent(var Event: TEvent); virtual;
      procedure InitMenuBar; virtual;
      procedure NewDialog;
    end;

    PDemoDialog = ^TDemoDialog;
    TDemoDialog = object(TDialog)
     Procedure HandleEvent(var Event:TEvent);virtual;
    end;

  constructor TMyApp.Init;
  var
    R : TRect;
  begin













  PRODUCT  :  Turbo Pascal                           NUMBER  :  668
  VERSION  :  6.0
       OS  :  MS/PC DOS
     DATE  :  August 12, 1992                          PAGE  :  2/4

    TITLE  :  Dual Input Lines in Turbo Vision




    TApplication.Init;                { Initialize data }
    RMydata.MYstr1:='What';
    RMydata.MYstr2:='Cheese';
    GetExtent(R);
    Dec(R.B.X);
    R.A.X := R.B.X - 9; R.A.Y := R.B.Y - 1;
  end;
  { TMyApp }

  Procedure TDemoDialog.HandleEvent(var Event:TEvent);
  begin
   TDialog.HandleEvent(Event);
    if Event.What = EvCommand then
      begin
       if event.what = EvCommand then
       case Event.Command of
         cmOK:begin
                GetData(RMyData); { This will retrieve the }
                                  { information corresponding to }
                                  { a previous SetData and load }
                                  { the changed values in the }
                                  { record structure }
                TDialog.Done;
              end;
         cmCancel:TDialog.Done;
        end
         else
         Exit;
       end;
   clearEvent(Event);
  end;

  procedure TMyApp.HandleEvent(var Event: TEvent);
  begin
    TApplication.HandleEvent(Event);
    if Event.What = evCommand then
    begin
      case Event.Command of
        cmNewDialog: NewDialog;
      else
        Exit;
      end;
      ClearEvent(Event);













  PRODUCT  :  Turbo Pascal                           NUMBER  :  668
  VERSION  :  6.0
       OS  :  MS/PC DOS
     DATE  :  August 12, 1992                          PAGE  :  3/4

    TITLE  :  Dual Input Lines in Turbo Vision




    end;
  end;

  procedure TMyApp.InitMenuBar;
  var
    R: TRect;
  begin
    GetExtent(R);
    R.B.Y := R.A.Y + 1;
    MenuBar := New(PMenuBar, Init(R, NewMenu(
      NewSubMenu('~F~ile', hcNoContext, NewMenu(
        NewItem('E~x~it', 'Alt-X', kbAltX, cmQuit, hcNoContext,
        nil)),
      NewSubMenu('~W~indow', hcNoContext, NewMenu(
         NewItem('~D~ialog','F2', kbF2, cmNewDialog, hcmyDialog,
        nil)),
      nil))
    )));
  end;

  procedure TMyApp.NewDialog;
  var
    Borland: PView;
    Dialog: PDemoDialog;
    R: TRect;
    C: Word;
  begin
    R.Assign(20, 6, 60, 19);
    Dialog := New(PDemoDialog, Init(R, 'Demo Dialog'));
    with Dialog^ do
    begin
      R.Assign(3, 3, 18, 4);
      Borland := New(PInputLine, Init(R,10));
      Insert(Borland);    { The order of insertion is directly }
                          { related to the order of data items in }
                          { the data structure }
      R.Assign(3, 4, 18, 5);
      Borland := New(PInputLine, Init(R,10));
      Insert(Borland);
      R.Assign(2, 2, 10, 3);
      Insert(New(PLabel, Init(R, 'Cheeses', Borland)));
      R.Assign(22, 3, 34, 5);
      Borland := New(PRadioButtons, Init(R,













  PRODUCT  :  Turbo Pascal                           NUMBER  :  668
  VERSION  :  6.0
       OS  :  MS/PC DOS
     DATE  :  August 12, 1992                          PAGE  :  4/4

    TITLE  :  Dual Input Lines in Turbo Vision




        NewSItem('~R~unny',
        NewSItem('~M~elted',
        nil)))
      );
      Insert(Borland);
      R.Assign(21, 2, 33, 3);
      Insert(New(PLabel, Init(R, 'Consistency', Borland)));
      R.Assign(15, 8, 25, 10);
      Insert(New(PButton, Init(R, '~O~k', cmOk, bfDefault)));
      R.Assign(28, 8, 38, 10);
      Insert(New(PButton, Init(R, 'Cancel', cmCancel, bfNormal)));
    end;
    Dialog^.SetData(RMyData);  { Associate data to dialog }
                               { input lines }
    DeskTop^.Insert(Dialog);
  end;
  var
    MyApp: TMyApp;

  begin

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

  DISCLAIMER: You have the right to use this technical information
  subject to the terms of the No-Nonsense License Statement that
  you received with the Borland product to which this information
  pertains.