1 /****************************************************************************
2 * Copyright (c) 1998-2017,2019 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
33 * Rewritten 2001-2004 to support wide-characters by *
36 ****************************************************************************/
41 ** The routines waddnstr(), waddchnstr().
45 #include <curses.priv.h>
47 MODULE_ID("$Id: lib_addstr.c,v 1.55 2019/05/04 20:46:24 tom Exp $")
50 waddnstr(WINDOW *win, const char *astr, int n)
52 const char *str = astr;
55 T((T_CALLED("waddnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(astr, n), n));
57 if (win && (str != 0)) {
58 TR(TRACE_VIRTPUT | TRACE_ATTRS,
59 ("... current %s", _traceattr(WINDOW_ATTRS(win))));
62 n = (int) strlen(astr);
64 TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
65 while ((n-- > 0) && (*str != '\0')) {
67 TR(TRACE_VIRTPUT, ("*str = %#o", UChar(*str)));
68 SetChar(ch, UChar(*str++), A_NORMAL);
69 if (_nc_waddch_nosync(win, ch) == ERR) {
76 TR(TRACE_VIRTPUT, ("waddnstr returns %d", code));
81 waddchnstr(WINDOW *win, const chtype *astr, int n)
88 T((T_CALLED("waddchnstr(%p,%p,%d)"), (void *) win, (const void *) astr, n));
98 for (str = (const chtype *) astr; *str != 0; str++)
101 if (n > win->_maxx - x + 1)
102 n = win->_maxx - x + 1;
106 line = &(win->_line[y]);
107 for (i = 0; i < n && ChCharOf(astr[i]) != '\0'; ++i) {
108 SetChar2(line->text[i + x], astr[i]);
110 CHANGED_RANGE(line, x, (NCURSES_SIZE_T) (x + n - 1));
116 #if USE_WIDEC_SUPPORT
119 _nc_wchstrlen(const cchar_t *s)
123 while (CharOf(s[result]) != L'\0') {
131 wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n)
133 static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
138 int i, j, start, len, end;
140 T((T_CALLED("wadd_wchnstr(%p,%s,%d)"),
142 _nc_viscbuf(astr, n),
151 n = _nc_wchstrlen(astr);
153 if (n > win->_maxx - x + 1)
154 n = win->_maxx - x + 1;
158 line = &(win->_line[y]);
163 * Reset orphaned cells of multi-column characters that extend up to the
164 * new string's location to blanks.
166 if (x > 0 && isWidecExt(line->text[x])) {
167 for (i = 0; i <= x; ++i) {
168 if (!isWidecExt(line->text[x - i])) {
169 /* must be isWidecBase() */
172 line->text[x - i--] = _nc_render(win, blank);
180 * Copy the new string to the window.
182 for (i = 0; i < n && CharOf(astr[i]) != L'\0' && x <= win->_maxx; ++i) {
183 if (isWidecExt(astr[i]))
186 len = _nc_wacs_width(CharOf(astr[i]));
188 if (x + len - 1 <= win->_maxx) {
189 line->text[x] = _nc_render(win, astr[i]);
191 for (j = 0; j < len; ++j) {
193 line->text[x + j] = line->text[x];
195 SetWidecExt(line->text[x + j], j);
200 x = (NCURSES_SIZE_T) (x + len);
208 * Set orphaned cells of multi-column characters which lie after the new
211 while (x <= win->_maxx && isWidecExt(line->text[x])) {
212 line->text[x] = _nc_render(win, blank);
216 CHANGED_RANGE(line, start, end);
223 waddnwstr(WINDOW *win, const wchar_t *str, int n)
227 T((T_CALLED("waddnwstr(%p,%s,%d)"), (void *) win, _nc_viswbufn(str, n), n));
229 if (win && (str != 0)) {
230 TR(TRACE_VIRTPUT | TRACE_ATTRS,
231 ("... current %s", _traceattr(WINDOW_ATTRS(win))));
234 n = (int) wcslen(str);
236 TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
237 while ((n-- > 0) && (*str != L('\0'))) {
239 TR(TRACE_VIRTPUT, ("*str[0] = %#lx", (unsigned long) *str));
240 SetChar(ch, *str++, A_NORMAL);
241 if (wadd_wch(win, &ch) == ERR) {
248 TR(TRACE_VIRTPUT, ("waddnwstr returns %d", code));