Re: Problems with chgat-family of functions

[Thomas Dickey]

yOn Tue, 6 Jun 2006, Sadrul H Chowdhury wrote:

> On 6/3/06, Thomas Dickey <address@hidden> wrote:
> > On Wed, 31 May 2006, Sadrul H Chowdhury wrote:
> >
> > > Hi. I am trying the following piece of code:
> chgat() doesn't mark the text as altered.
> > I agree that it would be nice, but other implementations appear to agree.
> > You'll have to use touchline or touchwin to get the effect you want.
>
>
> Cool. touchline worked. However, is there any way I can update/redraw only a
> limited number of columns, instead of the whole line? If you are wondering
> what I am trying to do, I am trying to have a shadow effect for buttons :-)

I think you could do that by making a subwindow (or derived window: 
subwin/derwin) and touching _that_ window.  That's a little complicated, 
but the only thing that comes to mind.

> Also, is there anyway I can print non-ASCII characters (eg. UTF-8)? Simply
> using printw familty of functions prints multiple characters in place of one
> UTF-8 character.

For that, you need your locale setup, build with ncursesw and to call
        setlocale(LC_ALL, "");
in the application before initscr/newterm.

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