dos_compilers/Borland Turbo Pascal v6/DOCDEMOS/TVGUID04.PAS
2024-07-02 07:11:05 -07:00

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{************************************************}
{ }
{ Turbo Pascal 6.0 }
{ Demo program from the Turbo Vision Guide }
{ }
{ Copyright (c) 1990 by Borland International }
{ }
{************************************************}
program TVGUID04;
uses Objects, Drivers, Views, Menus, App;
const
WinCount: Integer = 0;
cmFileOpen = 100;
cmNewWin = 101;
type
TMyApp = object(TApplication)
procedure HandleEvent(var Event: TEvent); virtual;
procedure InitMenuBar; virtual;
procedure InitStatusLine; virtual;
procedure NewWindow;
end;
PDemoWindow = ^TDemoWindow;
TDemoWindow = object(TWindow)
end;
{ TMyApp }
procedure TMyApp.HandleEvent(var Event: TEvent);
begin
TApplication.HandleEvent(Event);
if Event.What = evCommand then
begin
case Event.Command of
cmNewWin: NewWindow;
else
Exit;
end;
ClearEvent(Event);
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('~O~pen', 'F3', kbF3, cmFileOpen, hcNoContext,
NewItem('~N~ew', 'F4', kbF4, cmNewWin, hcNoContext,
NewLine(
NewItem('E~x~it', 'Alt-X', kbAltX, cmQuit, hcNoContext,
nil))))),
NewSubMenu('~W~indow', hcNoContext, NewMenu(
NewItem('~N~ext', 'F6', kbF6, cmNext, hcNoContext,
NewItem('~Z~oom', 'F5', kbF5, cmZoom, hcNoContext,
nil))),
nil))
)));
end;
procedure TMyApp.InitStatusLine;
var R: TRect;
begin
GetExtent(R);
R.A.Y := R.B.Y - 1;
StatusLine := New(PStatusLine, Init(R,
NewStatusDef(0, $FFFF,
NewStatusKey('', kbF10, cmMenu,
NewStatusKey('~Alt-X~ Exit', kbAltX, cmQuit,
NewStatusKey('~F4~ New', kbF4, cmNewWin,
NewStatusKey('~Alt-F3~ Close', kbAltF3, cmClose,
nil)))),
nil)
));
end;
procedure TMyApp.NewWindow;
var
Window: PDemoWindow;
R: TRect;
begin
Inc(WinCount);
R.Assign(0, 0, 26, 7);
R.Move(Random(58), Random(16));
Window := New(PDemoWindow, Init(R, 'Demo Window', WinCount));
DeskTop^.Insert(Window);
end;
var
MyApp: TMyApp;
begin
MyApp.Init;
MyApp.Run;
MyApp.Done;
end.