_nc_insert_wch(WINDOW *win, const cchar_t *wch)
{
int cells = wcwidth(CharOf(CHDEREF(wch)));
int cell;
int code = OK;
if (cells < 0) {
code = winsch(win, (chtype) CharOf(CHDEREF(wch)));
} else {
if (cells == 0)
cells = 1;
if (win->_curx <= win->_maxx) {
struct ldat *line = &(win->_line[win->_cury]);
NCURSES_CH_T *end = &(line->text[win->_curx]);
NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
NCURSES_CH_T *temp2 = temp1 - cells;
CHANGED_TO_EOL(line, win->_curx, win->_maxx);
while (temp1 > end)
*temp1-- = *temp2--;
*temp1 = _nc_render(win, *wch);
for (cell = 1; cell < cells; ++cell) {
SetWidecExt(temp1[cell], cell);
}
win->_curx = (NCURSES_SIZE_T) (win->_curx + cells);
}
}
return code;
}
static int
read_row(char *source, NCURSES_CH_T * prior, NCURSES_CH_T * target, int length)
{
while (*source != '\0' && length > 0) {
#if NCURSES_WIDECHAR
int n, len;
source = decode_cchar(source, prior, target);
len = wcwidth(target->chars[0]);
if (len > 1) {
SetWidecExt(CHDEREF(target), 0);
for (n = 1; n < len; ++n) {
target[n] = target[0];
SetWidecExt(CHDEREF(target), n);
}
target += (len - 1);
length -= (len - 1);
}
#else
source = decode_chtype(source, *prior, target);
#endif
*prior = *target;
++target;
--length;
}
while (length-- > 0) {
*target++ = blank;
}
/* FIXME - see what error conditions should apply if I need to return ERR */
return 0;
}
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);
}
/*
* Insert the given character, updating the current location to simplify
* inserting a string.
*/
static int
_nc_insert_wch(WINDOW *win, const cchar_t *wch)
{
int cells = wcwidth(CharOf(CHDEREF(wch)));
int cell;
if (cells <= 0)
cells = 1;
if (win->_curx <= win->_maxx) {
struct ldat *line = &(win->_line[win->_cury]);
NCURSES_CH_T *end = &(line->text[win->_curx]);
NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
NCURSES_CH_T *temp2 = temp1 - cells;
CHANGED_TO_EOL(line, win->_curx, win->_maxx);
while (temp1 > end)
*temp1-- = *temp2--;
*temp1 = _nc_render(win, *wch);
for (cell = 1; cell < cells; ++cell) {
SetWidecExt(temp1[cell], cell);
}
win->_curx++;
}
return OK;
}
_nc_build_wch(WINDOW *win, ARG_CH_T ch)
{
char *buffer = WINDOW_EXT(win, addch_work);
int len;
int x = win->_curx;
int y = win->_cury;
mbstate_t state;
wchar_t result;
if ((WINDOW_EXT(win, addch_used) != 0) &&
(WINDOW_EXT(win, addch_x) != x ||
WINDOW_EXT(win, addch_y) != y)) {
/* discard the incomplete multibyte character */
WINDOW_EXT(win, addch_used) = 0;
TR(TRACE_VIRTPUT,
("Alert discarded multibyte on move (%d,%d) -> (%d,%d)",
WINDOW_EXT(win, addch_y), WINDOW_EXT(win, addch_x),
y, x));
}
WINDOW_EXT(win, addch_x) = x;
WINDOW_EXT(win, addch_y) = y;
init_mb(state);
buffer[WINDOW_EXT(win, addch_used)] = (char) CharOf(CHDEREF(ch));
WINDOW_EXT(win, addch_used) += 1;
buffer[WINDOW_EXT(win, addch_used)] = '\0';
if ((len = (int) mbrtowc(&result,
buffer,
(size_t) WINDOW_EXT(win, addch_used),
&state)) > 0) {
attr_t attrs = AttrOf(CHDEREF(ch));
if_EXT_COLORS(int pair = GetPair(CHDEREF(ch)));
SetChar(CHDEREF(ch), result, attrs);
if_EXT_COLORS(SetPair(CHDEREF(ch), pair));
WINDOW_EXT(win, addch_used) = 0;
} else if (len == -1) {
/*
* An error occurred. We could either discard everything,
* or assume that the error was in the previous input.
* Try the latter.
*/
TR(TRACE_VIRTPUT, ("Alert! mbrtowc returns error"));
/* handle this with unctrl() */
WINDOW_EXT(win, addch_used) = 0;
}
return len;
}
_tracecchar_t2(int bufnum, const cchar_t *ch)
{
char *result = _nc_trace_buf(bufnum, BUFSIZ);
attr_t attr;
const char *found;
if (result != 0) {
strcpy(result, l_brace);
if (ch != 0) {
attr = AttrOfD(ch);
if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
(void) _nc_trace_bufcat(bufnum, found);
attr &= ~A_ALTCHARSET;
} else if (isWidecExt(CHDEREF(ch))) {
(void) _nc_trace_bufcat(bufnum, "{NAC}");
attr &= ~A_CHARTEXT;
} else {
PUTC_DATA;
int n;
PUTC_INIT;
(void) _nc_trace_bufcat(bufnum, "{ ");
for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
PUTC_ch = ch->chars[PUTC_i];
if (PUTC_ch == L'\0') {
if (PUTC_i == 0)
result = _nc_trace_bufcat(bufnum, "\\000");
break;
}
PUTC_n = wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
if (PUTC_n <= 0) {
if (PUTC_ch != L'\0') {
/* it could not be a multibyte sequence */
(void) _nc_trace_bufcat(bufnum,
_nc_tracechar(CURRENT_SCREEN,
UChar(ch->chars[PUTC_i])));
}
break;
}
for (n = 0; n < PUTC_n; n++) {
if (n)
(void) _nc_trace_bufcat(bufnum, ", ");
(void) _nc_trace_bufcat(bufnum,
_nc_tracechar(CURRENT_SCREEN,
UChar(PUTC_buf[n])));
}
}
(void) _nc_trace_bufcat(bufnum, " }");
}
if (attr != A_NORMAL) {
(void) _nc_trace_bufcat(bufnum, " | ");
(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
}
}
result = _nc_trace_bufcat(bufnum, r_brace);
}
return result;
}
_tracecchar_t2 (int bufnum, const cchar_t *ch)
{
char *buf = _nc_trace_buf(bufnum, BUFSIZ);
attr_t attr;
const char *found;
strcpy(buf, l_brace);
if (ch != 0) {
attr = AttrOfD(ch);
if ((found = _nc_altcharset_name(attr, CharOfD(ch))) != 0) {
(void) _nc_trace_bufcat(bufnum, found);
attr &= ~A_ALTCHARSET;
} else if (isWidecExt(CHDEREF(ch))) {
(void) _nc_trace_bufcat(bufnum, "{NAC}");
attr &= ~A_CHARTEXT;
} else {
PUTC_DATA;
int n;
PUTC_INIT;
(void) _nc_trace_bufcat(bufnum, "{ ");
do {
PUTC_ch = PUTC_i < CCHARW_MAX ? ch->chars[PUTC_i] : L'\0';
PUTC_n = wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
if (PUTC_ch == L'\0')
--PUTC_n;
if (PUTC_n <= 0) {
if (PUTC_ch != L'\0') {
/* it could not be a multibyte sequence */
(void) _nc_trace_bufcat(bufnum, _tracechar(UChar(ch->chars[PUTC_i])));
}
break;
}
for (n = 0; n < PUTC_n; n++) {
if (n)
(void) _nc_trace_bufcat(bufnum, ", ");
(void) _nc_trace_bufcat(bufnum, _tracechar(UChar(PUTC_buf[n])));
}
++PUTC_i;
} while (PUTC_ch != L'\0');
(void) _nc_trace_bufcat(bufnum, " }");
}
if (attr != A_NORMAL) {
(void) _nc_trace_bufcat(bufnum, " | ");
(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
}
}
return (_nc_trace_bufcat(bufnum, r_brace));
}
setcchar(cchar_t *wcval,
const wchar_t *wch,
const attr_t attrs,
short color_pair,
const void *opts)
{
unsigned i;
unsigned len;
int code = OK;
TR(TRACE_CCALLS, (T_CALLED("setcchar(%p,%s,%lu,%d,%p)"),
(void *) wcval, _nc_viswbuf(wch),
(unsigned long) attrs, color_pair, opts));
len = (unsigned) wcslen(wch);
if (opts != NULL
|| (len > 1 && wcwidth(wch[0]) < 0)) {
code = ERR;
} else {
if (len > CCHARW_MAX)
len = CCHARW_MAX;
/*
* If we have a following spacing-character, stop at that point. We
* are only interested in adding non-spacing characters.
*/
for (i = 1; i < len; ++i) {
if (wcwidth(wch[i]) != 0) {
len = i;
break;
}
}
memset(wcval, 0, sizeof(*wcval));
if (len != 0) {
SetAttr(*wcval, attrs | (attr_t) ColorPair(color_pair));
SetPair(CHDEREF(wcval), color_pair);
memcpy(&wcval->chars, wch, len * sizeof(wchar_t));
TR(TRACE_CCALLS, ("copy %d wchars, first is %s", len,
_tracecchar_t(wcval)));
}
}
TR(TRACE_CCALLS, (T_RETURN("%d"), code));
return (code);
}
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;
}
_tracecchar_t2(int bufnum, const cchar_t *ch)
{
char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
if (result != 0) {
_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
if (ch != 0) {
const char *found;
attr_t attr = AttrOfD(ch);
if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
(void) _nc_trace_bufcat(bufnum, found);
attr &= ~A_ALTCHARSET;
} else if (isWidecExt(CHDEREF(ch))) {
(void) _nc_trace_bufcat(bufnum, "{NAC}");
attr &= ~A_CHARTEXT;
} else {
PUTC_DATA;
int n;
(void) _nc_trace_bufcat(bufnum, "{ ");
for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
PUTC_ch = ch->chars[PUTC_i];
if (PUTC_ch == L'\0') {
if (PUTC_i == 0)
(void) _nc_trace_bufcat(bufnum, "\\000");
break;
}
PUTC_INIT;
PUTC_n = (int) wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
if (PUTC_n <= 0) {
if (PUTC_ch != L'\0') {
/* it could not be a multibyte sequence */
(void) _nc_trace_bufcat(bufnum,
_nc_tracechar(CURRENT_SCREEN,
UChar(ch->chars[PUTC_i])));
}
break;
} else if (ch->chars[PUTC_i] > 255) {
char temp[80];
_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
"{%d:\\u%lx}",
wcwidth(ch->chars[PUTC_i]),
(unsigned long) ch->chars[PUTC_i]);
(void) _nc_trace_bufcat(bufnum, temp);
break;
}
for (n = 0; n < PUTC_n; n++) {
if (n)
(void) _nc_trace_bufcat(bufnum, ", ");
(void) _nc_trace_bufcat(bufnum,
_nc_tracechar(CURRENT_SCREEN,
UChar(PUTC_buf[n])));
}
}
(void) _nc_trace_bufcat(bufnum, " }");
}
if (attr != A_NORMAL) {
(void) _nc_trace_bufcat(bufnum, " | ");
(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
}
#if NCURSES_EXT_COLORS
/*
* Just in case the extended color is different from the chtype
* value, trace both.
*/
if (ch->ext_color != PairNumber(attr)) {
char temp[80];
_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
" X_COLOR{%d:%d}", ch->ext_color, PairNumber(attr));
(void) _nc_trace_bufcat(bufnum, temp);
}
#endif
}
result = _nc_trace_bufcat(bufnum, r_brace);
}
return result;
}
