Re: found the problem with resizing windows

[Folkert van Heusden]

Hmmm, newwin() is not an option as it seems to clear the whole terminal.
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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Folkert van Heusden

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