1 /****************************************************************************
2 * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
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5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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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 *
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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> *
32 * and: Sven Verdoolaege *
33 * and: Thomas E. Dickey *
34 ****************************************************************************/
39 ** The routine winsch().
43 #include <curses.priv.h>
46 MODULE_ID("$Id: lib_insch.c,v 1.18 2002/11/23 21:41:05 tom Exp $")
49 * Insert the given character, updating the current location to simplify
53 _nc_insert_ch(WINDOW *win, chtype ch)
60 for (count = (TABSIZE - (win->_curx % TABSIZE)); count > 0; count--)
61 _nc_insert_ch(win, ' ');
67 _nc_waddch_nosync(win, wch);
70 if (is7bits(ch) && iscntrl(ch)) {
71 _nc_insert_ch(win, '^');
72 _nc_insert_ch(win, '@' + (ch));
73 } else if (win->_curx <= win->_maxx) {
74 struct ldat *line = &(win->_line[win->_cury]);
75 NCURSES_CH_T *end = &(line->text[win->_curx]);
76 NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
77 NCURSES_CH_T *temp2 = temp1 - 1;
81 CHANGED_TO_EOL(line, win->_curx, win->_maxx);
85 *temp1 = _nc_render(win, wch);
94 winsch(WINDOW *win, chtype c)
100 T((T_CALLED("winsch(%p, %s)"), win, _tracechtype(c)));
106 _nc_insert_ch(win, c);
117 winsnstr(WINDOW *win, const char *s, int n)
122 const unsigned char *str = (const unsigned char *) s;
123 const unsigned char *cp;
125 T((T_CALLED("winsnstr(%p,%s,%d)"), win, _nc_visbufn(s, n), n));
127 if (win != 0 && str != 0) {
130 for (cp = str; *cp && (n <= 0 || (cp - str) < n); cp++) {
131 _nc_insert_ch(win, (chtype) UChar(*cp));