static NCURSES_INLINE int
#undef wbkgrnd
#endif
wbkgrnd(WINDOW *win, const ARG_CH_T ch)
{
int code = ERR;
int x, y;
NCURSES_CH_T new_bkgd = CHDEREF(ch);
T((T_CALLED("wbkgd(%p,%s)"), (void *) win, _tracech_t(ch)));
if (win) {
NCURSES_CH_T old_bkgrnd;
wgetbkgrnd(win, &old_bkgrnd);
(void) wbkgrndset(win, CHREF(new_bkgd));
(void) wattrset(win, AttrOf(win->_nc_bkgd));
for (y = 0; y <= win->_maxy; y++) {
for (x = 0; x <= win->_maxx; x++) {
if (CharEq(win->_line[y].text[x], old_bkgrnd)) {
win->_line[y].text[x] = win->_nc_bkgd;
} else {
NCURSES_CH_T wch = win->_line[y].text[x];
RemAttr(wch, (~(A_ALTCHARSET | A_CHARTEXT)));
win->_line[y].text[x] = _nc_render(win, wch);
}
}
}
touchwin(win);
_nc_synchook(win);
code = OK;
}
returnCode(code);
}
int getbkgrnd(cchar_t *wch)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return wgetbkgrnd( stdscr, wch );
#endif /* HAVE_WCHAR */
}
static void
send_bytes(int portfd, const unsigned char* buf, int n, WINDOW* win)
{
ssize_t written = 0;
while (written < n)
{
ssize_t rc = write(portfd, &buf[written], n - written);
if (rc >= 0)
written += rc;
else if (errno != EINTR)
exit_error("send bytes", errno);
}
int xmax, ymax;
getmaxyx(win, ymax, xmax);
--xmax;
if (n > xmax)
{
buf += n - xmax;
n = xmax;
}
int x, y;
getyx(win, y, x);
int ndel = x + n - xmax;
if (ndel > 0)
{
wmove(win, y, 0);
for (int i = 0; i < ndel; ++i)
wdelch(win);
wmove(win, y, x - ndel);
}
for (int i = 0; i < n; ++i)
{
cchar_t cc;
wchar_t wc[CCHARW_MAX];
attr_t attrs;
short color_pair;
wgetbkgrnd(win, &cc);
getcchar(&cc, wc, &attrs, &color_pair, 0);
wc[0] = kc_to_wide_char(buf[i]);
setcchar(&cc, wc, attrs, color_pair, 0);
wadd_wch(win, &cc);
}
while (tcdrain(portfd) < 0)
{
if (errno != EINTR)
exit_error("send bytes", errno);
}
}
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;
}
static void
receive_kctext(int portfd, WINDOW* win)
{
unsigned char buf[64];
ssize_t count;
while ((count = read(portfd, buf, sizeof buf)) < 0)
switch (errno)
{
case EINTR:
continue;
#if defined(EWOULDBLOCK) && (EWOULDBLOCK != EAGAIN)
case EWOULDBLOCK:
#endif
case EAGAIN:
return;
default:
exit_error("receive KC text", errno);
}
cchar_t cc;
wchar_t wc[CCHARW_MAX];
attr_t attrs;
short color_pair;
wgetbkgrnd(win, &cc);
getcchar(&cc, wc, &attrs, &color_pair, 0);
for (ssize_t i = 0; i < count; ++i)
{
unsigned int byte = buf[i];
if (byte != 0x00 && byte != 0x03 && byte != 0x0D)
{
wc[0] = (byte == 0x0A) ? L'\n' : kc_to_wide_char(byte);
setcchar(&cc, wc, attrs, color_pair, 0);
wadd_wch(win, &cc);
}
}
wnoutrefresh(win);
}
int getbkgrnd(cchar_t *wch)
{
PDC_LOG(("getbkgrnd() - called\n"));
return wgetbkgrnd(stdscr, wch);
}
//------------------------------------------------------------------------------
int getbkgrnd( cchar_t* wch )
{
__QCS_FCONTEXT( "getbkgrnd" );
return wgetbkgrnd( stdscr, wch );
}
int getbkgrnd(cchar_t *wch)
{
return wgetbkgrnd( stdscr, wch );
}
