Re: how to have the `initscr '() do NOT clear the screen?

[Thomas Dickey]

On Sat, 5 Jul 2008, jianghu wrote:

> I'd like the initscr() to keep current screen, i.e. when the program using
> curses library is injected in terminal and the terminal keeps unchanged. The
> user will not aware of that there is a curses library is called. But I can
> still use the curses's functions to do some interesting things, for example
> the program using curses draw a toolbar at the top of the terminal showing
> some hints (stock info, news, etc) but the user can still use its bash to do
> his work/development.
>
> Who can tell me how to do it? Thanks a lot.

The 'filter()' function lets you use curses as a single-line.  For the 
rest - curses won't do that since (to work on _all_ terminals) the 
assumption was made long ago that the terminal has to be cleared to know 
what's on the screen.

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