NCURSES_EXPORT(bool) _nc_is_charable(wchar_t ch)
{
bool result;
#if HAVE_WCTOB
result = (wctob((wint_t) ch) == (int) ch);
#else
result = (_nc_to_char(ch) >= 0);
#endif
return result;
}
static NCURSES_INLINE void
#endif
wbkgrndset(WINDOW *win, const ARG_CH_T ch)
{
T((T_CALLED("wbkgdset(%p,%s)"), (void *) win, _tracech_t(ch)));
if (win) {
attr_t off = AttrOf(win->_nc_bkgd);
attr_t on = AttrOf(CHDEREF(ch));
toggle_attr_off(WINDOW_ATTRS(win), off);
toggle_attr_on(WINDOW_ATTRS(win), on);
#if NCURSES_EXT_COLORS
{
int pair;
if ((pair = GetPair(win->_nc_bkgd)) != 0)
SET_WINDOW_PAIR(win, 0);
if ((pair = GetPair(CHDEREF(ch))) != 0)
SET_WINDOW_PAIR(win, pair);
}
#endif
if (CharOf(CHDEREF(ch)) == L('\0')) {
SetChar(win->_nc_bkgd, BLANK_TEXT, AttrOf(CHDEREF(ch)));
if_EXT_COLORS(SetPair(win->_nc_bkgd, GetPair(CHDEREF(ch))));
} else {
win->_nc_bkgd = CHDEREF(ch);
}
#if USE_WIDEC_SUPPORT
/*
* If we're compiled for wide-character support, _bkgrnd is the
* preferred location for the background information since it stores
* more than _bkgd. Update _bkgd each time we modify _bkgrnd, so the
* macro getbkgd() will work.
*/
{
cchar_t wch;
int tmp;
(void) wgetbkgrnd(win, &wch);
tmp = _nc_to_char((wint_t) CharOf(wch));
win->_bkgd = (((tmp == EOF) ? ' ' : (chtype) tmp)
| (AttrOf(wch) & ALL_BUT_COLOR)
| ColorPair(GET_WINDOW_PAIR(win)));
}
#endif
}
returnVoid;
}
wunctrl(cchar_t *wc)
{
static wchar_t str[CCHARW_MAX + 1], *sp;
if (Charable(*wc)) {
const char *p = unctrl((unsigned) _nc_to_char((wint_t) CharOf(*wc)));
for (sp = str; *p; ++p) {
*sp++ = _nc_to_widechar(*p);
}
*sp = 0;
return str;
} else
return wc->chars;
}
NCURSES_SP_NAME(wunctrl) (NCURSES_SP_DCLx cchar_t *wc)
{
static wchar_t str[CCHARW_MAX + 1], *wsp;
if (Charable(*wc)) {
const char *p =
NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx
(unsigned) _nc_to_char((wint_t)CharOf(*wc)));
for (wsp = str; *p; ++p) {
*wsp++ = (wchar_t) _nc_to_widechar(*p);
}
*wsp = 0;
return str;
} else
return wc->chars;
}
NCURSES_SP_NAME(wunctrl) (NCURSES_SP_DCLx cchar_t *wc)
{
static wchar_t str[CCHARW_MAX + 1], *wsp;
wchar_t *result;
if (wc == 0) {
result = 0;
} else if (SP_PARM != 0 && Charable(*wc)) {
const char *p =
NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx
(unsigned) _nc_to_char((wint_t)CharOf(*wc)));
for (wsp = str; *p; ++p) {
*wsp++ = (wchar_t) _nc_to_widechar(*p);
}
*wsp = 0;
result = str;
} else {
result = wc->chars;
}
return result;
}
