Re: ncursesw: KEY_* and collisions with unicode chars

[Thomas Dickey]

On Sun, Jul 01, 2012 at 04:23:59PM +0200, Felix Natter wrote:
> hello,
> 
> a user of GTypist reported that he cannot enter a Polish character
> because it will be interpreted as backspace (KEY_BACKSPACE):
> 
> > I noticed that it is not possible to input one of the Polish diacritic
> > letters 'c with acute' (unicode 0x107 = 263) because it interferes
> > with KEY_BACKSPACE defined in ncurses.h (0407 = 263)
> 
> How can I tell the difference between KEY_BACKSPACE and unicode
> 0x107 (or can I teach ncursesw to return 0x8 for backspace)?
> 
> The 'get_wch' manpage mentions KEY_CODE_YES, but IMHO this is just
> a bit that is set is a wchar_t contains a KEY_*, thus colliding with
> unicode 0x107.

A return-value of KEY_CODE_YES says that the value is a KEY_* rather
than a wchar_t (e.g., unicode).  If wget_wch returns OK, the value is
a wchar_t - there's no conflict.

-- 
Thomas E. Dickey <address@hidden>
http://invisible-island.net
ftp://invisible-island.net

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