1 /****************************************************************************
2 * Copyright (c) 1998-2004,2005 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 1.24 2005/02/26 19:27:28 tom Exp $")
49 * Insert the given character, updating the current location to simplify
53 _nc_insert_ch(WINDOW *win, chtype ch)
58 NCURSES_CONST char *s;
62 for (count = (TABSIZE - (win->_curx % TABSIZE)); count > 0; count--) {
63 if ((code = _nc_insert_ch(win, ' ')) != OK)
71 _nc_waddch_nosync(win, wch);
76 WINDOW_EXT(win, addch_used) == 0 &&
78 is8bits(ChCharOf(ch)) &&
79 isprint(ChCharOf(ch))) {
80 if (win->_curx <= win->_maxx) {
81 struct ldat *line = &(win->_line[win->_cury]);
82 NCURSES_CH_T *end = &(line->text[win->_curx]);
83 NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
84 NCURSES_CH_T *temp2 = temp1 - 1;
88 CHANGED_TO_EOL(line, win->_curx, win->_maxx);
92 *temp1 = _nc_render(win, wch);
95 } else if (is8bits(ChCharOf(ch)) && iscntrl(ChCharOf(ch))) {
96 s = unctrl(ChCharOf(ch));
98 if ((code = _nc_insert_ch(win, ChAttrOf(ch) | UChar(*s))) != OK)
103 #if USE_WIDEC_SUPPORT
106 * Handle multibyte characters here
109 wch = _nc_render(win, wch);
110 if (_nc_build_wch(win, &wch) >= 0)
111 code = wins_wch(win, &wch);
120 winsch(WINDOW *win, chtype c)
126 T((T_CALLED("winsch(%p, %s)"), win, _tracechtype(c)));
132 code = _nc_insert_ch(win, c);