Re: combining ncurses and gnu readline

[Thomas Dickey]

On Sun, 31 Oct 2010, John Greco wrote:

> The ncurses FAQ's section on readline (linked below) seems out of date,
> or at least a little unclear.  Using gnu readline's "alternate
> interface" (also linked below), it's relatively trivial to combine
> ncurses with gnu readline.
>
> http://invisible-island.net/ncurses/ncurses.faq.html#readline_library
> http://tiswww.case.edu/php/chet/readline/readline.html#SEC41
>
> The basic idea is to use call rl_callback_read_char() when input from
> the user is available (determined with select, or similar), then print
> 'rl_line_buffer' as you would any other string in ncurses, and
> optionally set A_REVERSE on the position indicated by rl_point. (or
> just reposition the cursor I guess, either works...)
>
> This is a quick and dirty example that I threw together, and seems to
> work fine: (just search rl_callback_read_char to find the relevant
> section).
> http://github.com/jgreco/agora/blob/develop/main.c

thanks - I'll take a look.  Generally the approach people have taken is to 
try to get readline to do the display itself (doesn't work well...).

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