From: Eero Saynatkari <ruby-ml@...>
Date: 2006-09-28T07:35:31+09:00
Subject: Re: Curses

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On 2006.09.28 07:30, Michael W. Ryder wrote:
> Eero Saynatkari wrote:
> >On 2006.09.28 04:25, Michael W. Ryder wrote:
> >>Eero Saynatkari wrote:
> >>>On 2006.09.27 15:45, Michael W. Ryder wrote:
> >>>>Eero Saynatkari wrote:
> >>>>>On 2006.09.27 10:35, Michael W. Ryder wrote:
> >>>>>>Overdorf, Sam wrote:
> >>>>>>>Is anyone using the Curses class?
> >>>>>>>Is anyone maintaining the Curses class?
> >>>>>>>
> >>>>>>>It looks like the Curses function move(y,x) is calling the wrong=
=20
> >>>>>>>library
> >>>>>>>routine.
> >>>>>>>
> >>>>>>>It is calling the window move function and not the cursor position=
ing
> >>>>>>>function.
> >>>>>>>
> >>>>>>>Thanks,
> >>>>>>>Sam Overdorf
> >>>>>>>
> >>>>>>According to O'Reilly's Programming with Curses "move() is really a=
=20
> >>>>>>#define macro for wmove() which takes a WINDOW* as its first=20
> >>>>>>argument" So it appears that the library is working correctly.
> >>>>>#setpos x, y
> >>>>What flavor of Curses is this from?
> >>>This one:
> >>>
> >>> http://www.ruby-doc.org/stdlib/libdoc/curses/rdoc/classes/Curses.html
> >>
> >>The source code shows that it uses Curses' move() function which is a=
=20
> >>macro to wmove() as I described above.
> >
> >No, move() moves the cursor (wmove() moves a specified window's cursor).
> >
> >Confusingly, Ruby's Curses bindings also have a .move which actually
> >uses mvwin() which moves the window itself.
>=20
> ALL input/output in Curses is done with windows.  The only difference=20
> between move() and wmove() is that move() passes the current window to=20
> the wmove() function.  When you first start Curses it creates a window=20
> and sets it as the current window.  Unless you create another window and=
=20
> change to it this window is used for all I/O.

Which is exactly what I said. Please review the Curses documentation.

  http://www.die.net/doc/linux/man/man3/move.3.html
  http://www.die.net/doc/linux/man/man3/mvwin.3.html

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