Re: Issue using more than 255 color pairs

[Bill Gray]

On 7/15/23 11:31, Thomas Dickey wrote:
> I don't see a previous message with either this title or author.
>   
> >      #define COLOR_PAIR(n) n << 8

   Neither did I.  Original title was "Issue using more than 256 Colors 
in ncurses version 6.0.20170401" (note 256,  not 255).

https://lists.gnu.org/archive/html/bug-ncurses/2017-04/msg00033.html

-- Bill
> > While that make some color pairs accessible, these are just the previously
> > initiated color pairs with an immutable A_REVERSE.
>
> perhaps if you provided a complete test-program which demonstrates an
> unwanted change, I could investigate that.
>   
> > I checked that my distributions have built with --enable-widec, and that
> > NCURSES_WIDECHAR (or _XOPEN_SOURCE) is set before including curses.h.
> >
> > Actually I figured out that the terminal color palette is usually 16 + 2
> > inclusive foreground and background.  The application uses bold for bright
> > on systems with less than 16 colors, so these color pairs are initiated
> > like regular colors.
> >
> > --
> > David