Re: found the problem with resizing windows

[Folkert van Heusden]

I read in the lynx changelog:

* add a call to wresize() after resizeterm() in case user resizes screen in
  ncurses pad configuration (report by IZ) -TD

maybe this is something? what would this pad configuration be? related to
ncurses? (2001-04-01 (2.8.4dev.20))

On Thu, 22 Jul 2004, Folkert van Heusden wrote:

> Date: Thu, 22 Jul 2004 20:58:54 +0200 (CEST)
> From: Folkert van Heusden <address@hidden>
> To: Thomas Dickey <address@hidden>
> Cc: address@hidden
> Subject: Re: found the problem with resizing windows
>
> my guess is that resizeterm doesn't (always?) update stdscr settings
>
> On Thu, 22 Jul 2004, Thomas Dickey wrote:
>
> > Date: Thu, 22 Jul 2004 14:48:35 -0400 (EDT)
> > From: Thomas Dickey <address@hidden>
> > To: Folkert van Heusden <address@hidden>
> > Cc: address@hidden
> > Subject: Re: found the problem with resizing windows
> >
> > On Thu, 22 Jul 2004, Folkert van Heusden wrote:
> >
> > > Hmmm, newwin() is not an option as it seems to clear the whole terminal.
> >
> > newwin() shouldn't have to clear the terminal
> > (that comment sounds familiar).
> >
> > for the rest - I'll have to look into what's not being done properly
> > for derwin().
> >
> > > Anyone a suggestion for resolving this problem?
> > >
> > > On Thu, 22 Jul 2004, Folkert van Heusden wrote:
> > >
> > > > Date: Thu, 22 Jul 2004 20:12:23 +0200 (CEST)
> > > > From: Folkert van Heusden <address@hidden>
> > > > To: address@hidden
> > > > Subject: found the problem with resizing windows
> > > >
> > > > At last!
> > > > I found the problem with resizing sometimes failing!
> > > > I always used subwin(stdscr, ...) for creating windows and it seems that
> > > > when resizing very quick the internal variables are not always updated
> > > > correctly. I added extensive logging to ncurses and found that:
> > > >
> > > > derwin: too large, max_y/x: 33x91, actual: 36x91
> > > >
> > > > this means: the caller tries to create a window of 36x91 while the 
> > > > stdscr is
> > > > still known to be 33x91.
> > > >
> > > > NCURSES_EXPORT(WINDOW *)
> > > > derwin(WINDOW *orig, int num_lines, int num_columns, int begy, int begx)
> > > > ...
> > > >     /*
> > > >      * make sure window fits inside the original one
> > > >      */
> > > >     if (begy < 0 || begx < 0 || orig == 0 || num_lines < 0 || 
> > > > num_columns <
> > > > 0)
> > > >     {
> > > >         syslog(LOG_ERR, "derwin: coords/sizes out of bounds: %dx%d, 
> > > > %dx%d,
> > > > orig: %p", num_lines, num_columns, begy, begx, orig
> > > > );
> > > >         returnWin(0);
> > > >     }
> > > >     if (begy + num_lines > orig->_maxy + 1
> > > >         || begx + num_columns > orig->_maxx + 1)
> > > >     {
> > > >         syslog(LOG_ERR, "derwin: too large, max_y/x: %dx%d, actual: 
> > > > %dx%d",
> > > > orig->_maxy + 1, orig->_maxx + 1, begy + num_lines
> > > > , begx + num_columns);
> > > >         returnWin(0);
> > > >     }
> > > > ...
> > > >
> > > > Not sure if it is a bug but my solution is now that I use newwin(...).
> > > >
> > > >
> > > > Folkert van Heusden
> > > >
> > > > +------------------------------------------------------------------+
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> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Bug-ncurses mailing list
> > > > address@hidden
> > > > http://lists.gnu.org/mailman/listinfo/bug-ncurses
> > > >
> > >
> > >
> > >
> > > Folkert van Heusden
> > >
> > > +------------------------------------------------------------------+
> > > |UNIX admin? Then give MultiTail (http://vanheusden.com/multitail/)|
> > > |a try, it brings monitoring logfiles to a different level! See    |
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> > >
> > >
> > >
> > > _______________________________________________
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> > > http://lists.gnu.org/mailman/listinfo/bug-ncurses
> > >
> >
> > --
> > Thomas E. Dickey
> > http://invisible-island.net
> > ftp://invisible-island.net
> >
>
>
>
> Folkert van Heusden
>
> +------------------------------------------------------------------+
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>
>
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>



Folkert van Heusden

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