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researchv10 Dan Cross

.ds ZZ DEVELOPMENT PACKAGE
.TH FONTUSED 3R "630 MTG"
.XE "fontused()"
.XE "fontiname()"
.SH NAME
fontused, fontiname \- font menu generator routines
.SH SYNOPSIS
.B int fontused (fname)
.PP
.B char \(**fontiname (i)
.sp
.B char \(**fname;
.br
.B int i;
.SH DESCRIPTION
The
.I fontused
function
tests if a given font has been requested by some process.
This is a way to test if a call to
.I fontremove
will succeed.
A font requested by a process cannot be removed.
\f2Fontused\f1 returns 1 if the font has been requested and 0 otherwise.
.P
The
.I fontiname
function
returns the name of the
.I ith+1
font in the font queue.
This is useful for generating a menu of fonts in the cache.
If there are less than
.I i+1
fonts, (char *)0 is returned.
.SH EXAMPLE
The following example is a menu generator function that holds
all the fonts in the cache. The fonts in use are greyed.

.nf
.ft CM

Titem *
fontmenu(i, m)
int i;
Tmenu *m;
{
   static Titem ti;
   int fontused();
   char *fontiname();

   if(ti.text = fontiname(i))
      ti.ufield.grey = fontused(ti.text);
   return(&ti);
}
.ft R

.SH SEE ALSO
fontname(3R), fontrequest(3R), fontsave(3L), tmenuhit(3R).

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