1 /****************************************************************************
2 * Copyright 2019,2020 Thomas E. Dickey *
3 * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * Except as contained in this notice, the name(s) of the above copyright *
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28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
32 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
34 * Rewritten 2001-2004 to support wide-characters by *
37 ****************************************************************************/
42 ** The routines waddnstr(), waddchnstr().
46 #include <curses.priv.h>
48 MODULE_ID("$Id: lib_addstr.c,v 1.57 2020/12/05 20:06:19 tom Exp $")
51 waddnstr(WINDOW *win, const char *astr, int n)
53 const char *str = astr;
56 T((T_CALLED("waddnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(astr, n), n));
58 if (win && (str != 0)) {
59 TR(TRACE_VIRTPUT | TRACE_ATTRS,
60 ("... current %s", _traceattr(WINDOW_ATTRS(win))));
65 TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
66 while ((*str != '\0') && (n-- > 0)) {
68 TR(TRACE_VIRTPUT, ("*str = %#o", UChar(*str)));
69 SetChar(ch, UChar(*str++), A_NORMAL);
70 if (_nc_waddch_nosync(win, ch) == ERR) {
77 TR(TRACE_VIRTPUT, ("waddnstr returns %d", code));
82 waddchnstr(WINDOW *win, const chtype *astr, int n)
89 T((T_CALLED("waddchnstr(%p,%p,%d)"), (void *) win, (const void *) astr, n));
99 for (str = (const chtype *) astr; *str != 0; str++)
102 if (n > win->_maxx - x + 1)
103 n = win->_maxx - x + 1;
107 line = &(win->_line[y]);
108 for (i = 0; i < n && ChCharOf(astr[i]) != '\0'; ++i) {
109 SetChar2(line->text[i + x], astr[i]);
111 CHANGED_RANGE(line, x, (NCURSES_SIZE_T) (x + n - 1));
117 #if USE_WIDEC_SUPPORT
120 _nc_wchstrlen(const cchar_t *s)
124 while (CharOf(s[result]) != L'\0') {
132 wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n)
134 static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
139 int i, j, start, len, end;
141 T((T_CALLED("wadd_wchnstr(%p,%s,%d)"),
143 _nc_viscbuf(astr, n),
152 n = _nc_wchstrlen(astr);
154 if (n > win->_maxx - x + 1)
155 n = win->_maxx - x + 1;
159 line = &(win->_line[y]);
164 * Reset orphaned cells of multi-column characters that extend up to the
165 * new string's location to blanks.
167 if (x > 0 && isWidecExt(line->text[x])) {
168 for (i = 0; i <= x; ++i) {
169 if (!isWidecExt(line->text[x - i])) {
170 /* must be isWidecBase() */
173 line->text[x - i--] = _nc_render(win, blank);
181 * Copy the new string to the window.
183 for (i = 0; i < n && CharOf(astr[i]) != L'\0' && x <= win->_maxx; ++i) {
184 if (isWidecExt(astr[i]))
187 len = _nc_wacs_width(CharOf(astr[i]));
189 if (x + len - 1 <= win->_maxx) {
190 line->text[x] = _nc_render(win, astr[i]);
192 for (j = 0; j < len; ++j) {
194 line->text[x + j] = line->text[x];
196 SetWidecExt(line->text[x + j], j);
201 x = (NCURSES_SIZE_T) (x + len);
209 * Set orphaned cells of multi-column characters which lie after the new
212 while (x <= win->_maxx && isWidecExt(line->text[x])) {
213 line->text[x] = _nc_render(win, blank);
217 CHANGED_RANGE(line, start, end);
224 waddnwstr(WINDOW *win, const wchar_t *str, int n)
228 T((T_CALLED("waddnwstr(%p,%s,%d)"), (void *) win, _nc_viswbufn(str, n), n));
230 if (win && (str != 0)) {
231 TR(TRACE_VIRTPUT | TRACE_ATTRS,
232 ("... current %s", _traceattr(WINDOW_ATTRS(win))));
237 TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
238 while ((*str != L('\0')) && (n-- > 0)) {
240 TR(TRACE_VIRTPUT, ("*str[0] = %#lx", (unsigned long) *str));
241 SetChar(ch, *str++, A_NORMAL);
242 if (wadd_wch(win, &ch) == ERR) {
249 TR(TRACE_VIRTPUT, ("waddnwstr returns %d", code));