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Use ASCII art when the environment is not UTF-8 capable.OB

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Based on an initial patch by jasper@, ok jasper@.
This commit is contained in:
matthieu 2010-12-08 21:32:46 +00:00
parent 7f72d21b63
commit 1471212514
1 changed files with 32 additions and 5 deletions
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37
app/xinput/src/list.c
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@ -241,10 +241,13 @@ list_xi2(Display *display,
dev = &info[i];
if (dev->use == XIMasterPointer || dev->use == XIMasterKeyboard)
{
if (dev->use == XIMasterPointer)
printf("⎡ ");
else
printf("⎣ ");
if (have_utf8())
if (dev->use == XIMasterPointer)
printf("⎡ ");
else
printf("⎣ ");
else
printf("+ ");
print_info_xi2(display, dev, shortformat);
for (j = 0; j < ndevices; j++)
@ -254,7 +257,10 @@ list_xi2(Display *display,
if ((sd->use == XISlavePointer || sd->use == XISlaveKeyboard) &&
(sd->attachment == dev->deviceid))
{
printf("%s ↳ ", dev->use == XIMasterPointer ? "⎜" : " ");
if (have_utf8())
printf("%s ↳ ", dev->use == XIMasterPointer ? "⎜" : " ");
else
printf("%s + ", dev->use == XIMasterPointer ? "|" : " ");
print_info_xi2(display, sd, shortformat);
}
}
@ -324,4 +330,25 @@ list(Display *display,
}
}
Bool
have_utf8(void){
char *t;
/*
* There is no standard way to detect UTF-8 capabilities of a
* given terminal, but this gets pretty close as a good heuristic.
*/
if ((t = getenv("LC_ALL")) == NULL) {
if ((t = getenv("LC_CTYPE")) == NULL) {
t = getenv("LANG");
}
}
if (t != NULL && (strcasestr(t, "UTF-8") != NULL ||
strcasestr(t, "UTF8") != NULL))
return True;
return False;
}
/* end of list.c */