static NCURSES_INLINE NCURSES_CH_T
render_char(WINDOW *win, NCURSES_CH_T ch)
/* compute a rendition of the given char correct for the current context */
{
attr_t a = WINDOW_ATTRS(win);
int pair = GetPair(ch);
if (ISBLANK(ch)
&& AttrOf(ch) == A_NORMAL
&& pair == 0) {
/* color/pair in attrs has precedence over bkgrnd */
ch = win->_nc_bkgd;
SetAttr(ch, a | AttrOf(win->_nc_bkgd));
if ((pair = GET_WINDOW_PAIR(win)) == 0)
pair = GetPair(win->_nc_bkgd);
SetPair(ch, pair);
} else {
/* color in attrs has precedence over bkgrnd */
a |= AttrOf(win->_nc_bkgd) & COLOR_MASK(a);
/* color in ch has precedence */
if (pair == 0) {
if ((pair = GET_WINDOW_PAIR(win)) == 0)
pair = GetPair(win->_nc_bkgd);
}
#if 0
if (pair > 255) {
NCURSES_CH_T fixme = ch;
SetPair(fixme, pair);
}
#endif
AddAttr(ch, (a & COLOR_MASK(AttrOf(ch))));
SetPair(ch, pair);
}
TR(TRACE_VIRTPUT,
("render_char bkg %s (%d), attrs %s (%d) -> ch %s (%d)",
_tracech_t2(1, CHREF(win->_nc_bkgd)),
GetPair(win->_nc_bkgd),
_traceattr(WINDOW_ATTRS(win)),
GET_WINDOW_PAIR(win),
_tracech_t2(3, CHREF(ch)),
GetPair(ch)));
return (ch);
}
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;
}
wcolor_set(WINDOW *win, short color_pair_number, void *opts)
{
T((T_CALLED("wcolor_set(%p,%d)"), win, color_pair_number));
if (win
&& !opts
&& (color_pair_number >= 0)
&& (color_pair_number < COLOR_PAIRS)) {
TR(TRACE_ATTRS, ("... current %ld", (long) GET_WINDOW_PAIR(win)));
SET_WINDOW_PAIR(win, color_pair_number);
if_EXT_COLORS(win->_color = color_pair_number);
returnCode(OK);
} else
returnCode(ERR);
}
wcolor_set(WINDOW *win, short color_pair_number, void *opts)
{
int code = ERR;
T((T_CALLED("wcolor_set(%p,%d)"), (void *) win, color_pair_number));
if (win
&& !opts
&& (SP != 0)
&& (color_pair_number >= 0)
&& (color_pair_number < SP->_pair_limit)) {
TR(TRACE_ATTRS, ("... current %ld", (long) GET_WINDOW_PAIR(win)));
SET_WINDOW_PAIR(win, color_pair_number);
if_EXT_COLORS(win->_color = color_pair_number);
code = OK;
}
returnCode(code);
}
