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Re: Expanding Wide Characters.

From: Thomas Dickey
Subject: Re: Expanding Wide Characters.
Date: Tue, 06 Oct 2009 20:38:58 -0400
User-agent: Mutt/1.5.20 (2009-06-14)

On Tue, Oct 06, 2009 at 10:44:19AM -0500, Ben Duncan wrote:
> Tom, could you please explain to me how one would go about expanding
> the WACS character set using the WACS code set macros.
> Lets say i want to add the UTF x2327 (X in a rectangle box) or
> UTF x2504 (triple dash) to the WACS definations, how would I go about
> that, or am I totally missing the point of Wide versus UTF.

I used those in test/ncurses.c in the 'F' test.

They're cchar_t, so you can use them in these functions for example:

extern NCURSES_EXPORT(int) add_wch (const cchar_t *);                   /* 
generated:WIDEC */
extern NCURSES_EXPORT(int) border_set (const cchar_t*,const cchar_t*,const 
cchar_t*,const cchar_t*,const cchar_t*,const cchar_t*,const cchar_t*,const 
cchar_t*); /* generated:WIDEC */
extern NCURSES_EXPORT(int) box_set (WINDOW *, const cchar_t *, const cchar_t 
*);        /* generated:WIDEC */
extern NCURSES_EXPORT(int) hline_set (const cchar_t *, int);            /* 
generated:WIDEC */
extern NCURSES_EXPORT(int) vline_set (const cchar_t *, int);            /* 
generated:WIDEC */
extern NCURSES_EXPORT(int) whline_set (WINDOW *, const cchar_t *, int); /* 
implemented */
extern NCURSES_EXPORT(int) wvline_set (WINDOW *, const cchar_t *, int); /* 
implemented */

I only implemented WACS_xxx symbols for thick/double-lines for the usual
reasons: it's experimental, and only useful with Unicode.

(there's a link to current source on
http://invisible-island.net/ncurses - I've not done a rollup patch for
some time since merging Juergen's changes is still not done...)

Thomas E. Dickey <address@hidden>

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