1 /****************************************************************************
2 * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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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 1.32 2009/10/24 22:04:35 tom Exp $")
49 * Insert the given character, updating the current location to simplify
53 _nc_insert_ch(SCREEN *sp, WINDOW *win, chtype ch)
58 NCURSES_CONST char *s;
69 for (count = (tabsize - (win->_curx % tabsize)); count > 0; count--) {
70 if ((code = _nc_insert_ch(sp, win, ' ')) != OK)
78 _nc_waddch_nosync(win, wch);
83 WINDOW_EXT(win, addch_used) == 0 &&
85 is8bits(ChCharOf(ch)) &&
86 (isprint(ChCharOf(ch)) ||
87 (ChAttrOf(ch) & A_ALTCHARSET) ||
88 (sp != 0 && sp->_legacy_coding && !iscntrl(ChCharOf(ch))))) {
89 if (win->_curx <= win->_maxx) {
90 struct ldat *line = &(win->_line[win->_cury]);
91 NCURSES_CH_T *end = &(line->text[win->_curx]);
92 NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
93 NCURSES_CH_T *temp2 = temp1 - 1;
97 CHANGED_TO_EOL(line, win->_curx, win->_maxx);
101 *temp1 = _nc_render(win, wch);
104 } else if (is8bits(ChCharOf(ch)) && iscntrl(ChCharOf(ch))) {
105 s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx ChCharOf(ch));
107 code = _nc_insert_ch(sp, win, ChAttrOf(ch) | UChar(*s));
113 #if USE_WIDEC_SUPPORT
116 * Handle multibyte characters here
119 wch = _nc_render(win, wch);
120 count = _nc_build_wch(win, &wch);
122 code = _nc_insert_wch(win, &wch);
123 } else if (count == -1) {
126 s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx ChCharOf(ch));
129 code = _nc_insert_ch(sp, win,
130 ChAttrOf(ch) | UChar(*s));
150 winsch(WINDOW *win, chtype c)
156 T((T_CALLED("winsch(%p, %s)"), (void *) win, _tracechtype(c)));
162 code = _nc_insert_ch(_nc_screen_of(win), win, c);