Category : Files from Magazines
Archive   : PTV2N2.ZIP
Filename : TVT.PAS

{$X+}
program TVTerminal;

uses ComIO, VTDlg, Dial, App, Drivers, MsgBox, Crt,
Menus, Memory, Objects, Views;

const
DialPrefix = 'ATDT';
cMyBase = 200;
cmOpenLogFile = cMyBase+1;
cmLineSet = cMyBase+2;
cmTerminalSet = cMyBase+3;
cmSetLocalEcho = cMyBase+4;
cmDoManualDial = cMyBase+5;
cmDoHangUp = cMyBase+6;

type
TVTerm = object(TApplication)
ComWindow: PComWindow;
constructor Init;
procedure HandleEvent(var Event: TEvent); virtual;
procedure Idle; virtual;
procedure InitStatusLine; virtual;
procedure InitMenuBar; virtual;
procedure InitDeskTop; virtual;
end;

constructor TVTerm.Init;
begin
TApplication.Init;
ComWindow:=New(PComWindow, Init);
Desktop^.Insert(ComWindow);
end;

procedure TVTerm.InitStatusLine;
var R: TRect;
begin
GetExtent(R);
R.A.Y := R.B.Y;
StatusLine := New(PStatusLine, Init(R,
NewStatusDef(0, $FFFF,
NewStatusKey('', kbF10, cmMenu,
NewStatusKey('', kbF3, cmOpenLogFile,
NewStatusKey('', kbF5, cmZoom,
NewStatusKey('', kbAltX, cmQuit, nil)))),
nil)));
end;

procedure TVTerm.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 Log', 'F3', kbF3, cmOpenLogFile, hcNoContext,
NewItem('E~x~it', 'Alt-X', kbAltX, cmQuit, hcNoContext, nil))),
NewSubMenu('~P~hone', hcNoContext, NewMenu(
NewItem('~H~ang up phone', 'Alt-H', kbAltH, cmDoHangUp, hcNoContext,
NewItem('~D~ial', 'Alt-D', kbAltD, cmDoManualDial, hcNoContext, nil))),
NewSubMenu('~S~etup', hcNoContext, NewMenu(
NewItem('~L~ine Settings', 'Alt-L', kbAltL, cmLineSet, hcNoContext,
NewItem('Local ~E~cho', '', 0, cmSetLocalEcho, hcNoContext, nil))),
nil))))));
end;

procedure TVTerm.InitDeskTop;
var R: TRect;
begin
GetExtent(R);
Inc(R.A.Y);
New(DeskTop, Init(R));
end;

procedure TVTerm.Idle;
var S : String;
begin
TApplication.Idle;
if ComAvail then
begin
S:='';
while ComAvail do
begin
S:=S+Char(ComGet);
if Length(S) = 255 then
begin
Write(ComWindow^.Win, S);
S:='';
end;
end;
Write(ComWindow^.Win, S);
end;
end;

procedure TVTerm.HandleEvent(var Event: TEvent);
var
Bounds: TRect;
DialString: String;
begin
TApplication.HandleEvent(Event);
if Event.What = evCommand then
begin
case Event.Command of
cmSetLocalEcho: ComWindow^.SetLocalEcho;
cmLineSet: ComWindow^.SetLineDialog;
cmDoHangUp: begin
ComPutString('+++');
Delay(1500);
ComPutString('ATH0'^M);
end;
cmDoManualDial: begin
DialString := GetPhoneNum;
if DialString <> '' then
ComPutString(DialPrefix+DialString+^M);
end;
cmOpenLogFile: ErrorDialog('currently NOT supported');
else Exit;
end;
ClearEvent(Event);
end;
end;

var VTerm: TVTerm;
begin
VTerm.Init;
VTerm.Run;
VTerm.Done;
end.