Re: Avoiding clearing the screen

[Thomas Dickey]

On Mon, 24 Dec 2007, Dan Nelson wrote:

> > ...which is telling it that if any window does wclear(), then the working
> > window 'newscr' is cleared.  If you use werase() you should get the
> > expected result.
>
> This is also documented in the wclear/wearse manpage:
>
>       The clear and wclear routines are like erase and werase, but
>       they also call clearok, so that the screen is cleared completely
>       on the next call to wrefresh for that window and repainted from
>       scratch.

yes - but - clearok() takes a window-parameter, and could conceivably
not repaint the whole screen.  (I recall vaguely some long-ago discussion 
here, so it's too soon to say whether it's a bug or a wart such as 
leaveok).

--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net