Re: Line Drawing and Unicode

[Thomas Dickey]

On Fri, 1 Dec 2006, Christ, Bryan wrote:

> I would like to do some line-drawing on the Linux console, but when in
> unicode mode, the ACS_ characters don't show up (blank spaces and such
> where the lines should be).  How can I do line drawing WITHOUT linking
> against ncursesw and using the wide functions?  I noticed that Midnight
> Command does line drawing without using ncursesw, but looking through
> the source code with all the slang macros been very time consuming.  I
> thought that simply exporting NCURSES_NO_UTF8_ACS would work, but it
> does not.

I wouldn't expect it to.

If the Linux console's in UTF-8 mode (ironic, since UTF-8 is ostensibly 
modeless), you cannot use the VT100 controls to draw lines.  ncurses tries 
to see this, and if it knows, is supposed to use +'s and -'s to draw 
lines.

Since the only clue it has is from environment variables, it
can be confused.  What's $TERM set to?

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