Ejemplo n.º 1
0
_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;
}
Ejemplo n.º 2
0
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;
}
Ejemplo n.º 3
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);
}
Ejemplo n.º 4
0
/*
 * 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;
}
Ejemplo n.º 5
0
_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;
}
Ejemplo n.º 6
0
_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;
}
Ejemplo n.º 7
0
_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));
}
Ejemplo n.º 8
0
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);
}
Ejemplo n.º 9
0
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;
}
Ejemplo n.º 10
0
_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;
}