Re: Problems with get_wch() and wide characters

[Thomas Dickey]

On Sun, 28 Dec 2008, Kim Tore Jensen wrote:

> Hello Thomas,
>
> Yes, I tried the setlocale function.
>
> The result was that WACS_* characters stopped working - that is, when
> using the line_set functions, they only drew whitespace instead of
> borders.

If the terminal isn't setup for UTF-8, it can do that (but I'd expect
the other non-ASCII characters to stop working as well).  Do you have
a simple test-case that you can demonstrate it with?  The test programs
in ncurses appear to work properly - tested with uxterm for instance.

> Regarding your second email, system locales are set to:
>
> $ export|egrep "(LOCALE|LANG|LC_ALL)"
> declare -x LANG="en_US.utf8"
> declare -x XTERM_LOCALE="en_US.utf8"
>
> However, I tried changing these and setting it with
>         setlocale(LC_ALL, "nb_NO.utf8");
>         setlocale(LC_ALL, "en_US.utf8");
>         setlocale(LC_ALL, "");
>
> Ncurses seems to be an Arch build of 5.7:
>
> $ ncursesw5-config --version
> 5.7.20081102
>
>
> Best regards,
> Kim Tore Jensen
>
>
> On Thu, Dec 25, 2008 at 07:01:10AM -0500, Thomas Dickey wrote:
> > On Wed, 24 Dec 2008, Kim Tore Jensen wrote:
> >
> > > Hello,
> > >
> > > I am attempting to get a wide character using the get_wch function:
> > >
> > > {
> > >         int chartype;
> > >         wint_t ch;
> > >         chartype = get_wch(&ch);
> > > }
> > >
> > > When typing ASCII characters as 'a', 'b', 'c' etc., they are returned
> > > with chartype = 0 and ch = 'a', 'b', 'c' etc.
> > >
> > > However, when typing non-ASCII characters as the Norwegian letters
> > > '?', '?', '?', they are not recognized. get_wch() returns only ERR and
> > > sets ch to 0.
> > >
> > > I use raw() and keypad(), and my LANG is exported to "nb_NO.utf8".
> > > System locales in general work well and my shell interprets these
> > > characters OK.
> >
> > did your program do
> >         setlocale(LC_ALL, "");
> >
> > ?
> >
> > --
> > Thomas E. Dickey
> > http://invisible-island.net
> > ftp://invisible-island.net

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