1 /****************************************************************************
2 * Copyright (c) 1998,1999,2000,2001,2002 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 *
7 * without limitation the rights to use, copy, modify, merge, publish, *
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. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
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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 ****************************************************************************/
37 ** The routines to handle option setting.
41 #include <curses.priv.h>
45 MODULE_ID("$Id: lib_options.c,v 1.46 2002/02/02 19:40:54 tom Exp $")
48 idlok(WINDOW *win, bool flag)
50 T((T_CALLED("idlok(%p,%d)"), win, flag));
53 _nc_idlok = win->_idlok = (flag && (has_il() || change_scroll_region));
60 idcok(WINDOW *win, bool flag)
62 T((T_CALLED("idcok(%p,%d)"), win, flag));
65 _nc_idcok = win->_idcok = (flag && has_ic());
73 T((T_CALLED("halfdelay(%d)"), t));
84 nodelay(WINDOW *win, bool flag)
86 T((T_CALLED("nodelay(%p,%d)"), win, flag));
99 notimeout(WINDOW *win, bool f)
101 T((T_CALLED("notimout(%p,%d)"), win, f));
111 wtimeout(WINDOW *win, int delay)
113 T((T_CALLED("wtimeout(%p,%d)"), win, delay));
122 keypad(WINDOW *win, bool flag)
124 T((T_CALLED("keypad(%p,%d)"), win, flag));
127 win->_use_keypad = flag;
128 returnCode(_nc_keypad(flag));
134 meta(WINDOW *win GCC_UNUSED, bool flag)
136 /* Ok, we stay relaxed and don't signal an error if win is NULL */
137 T((T_CALLED("meta(%p,%d)"), win, flag));
139 SP->_use_meta = flag;
141 if (flag && meta_on) {
142 TPUTS_TRACE("meta_on");
144 } else if (!flag && meta_off) {
145 TPUTS_TRACE("meta_off");
151 /* curs_set() moved here to narrow the kernel interface */
156 int cursor = SP->_cursor;
158 T((T_CALLED("curs_set(%d)"), vis));
160 if (vis < 0 || vis > 2)
168 if (cursor_visible) {
169 TPUTS_TRACE("cursor_visible");
170 putp(cursor_visible);
176 TPUTS_TRACE("cursor_normal");
182 if (cursor_invisible) {
183 TPUTS_TRACE("cursor_invisible");
184 putp(cursor_invisible);
192 returnCode(cursor == -1 ? 1 : cursor);
198 T((T_CALLED("typeahead(%d)"), fd));
206 ** Return TRUE if the current terminal has the given key
210 #if NCURSES_EXT_FUNCS
212 has_key_internal(int keycode, struct tries *tp)
216 else if (tp->value == keycode)
219 return (has_key_internal(keycode, tp->child)
220 || has_key_internal(keycode, tp->sibling));
226 T((T_CALLED("has_key(%d)"), keycode));
227 returnCode(has_key_internal(keycode, SP->_keytry));
229 #endif /* NCURSES_EXT_FUNCS */
231 /* Turn the keypad on/off
233 * Note: we flush the output because changing this mode causes some terminals
234 * to emit different escape sequences for cursor and keypad keys. If we don't
235 * flush, then the next wgetch may get the escape sequence that corresponds to
236 * the terminal state _before_ switching modes.
239 _nc_keypad(bool flag)
241 if (flag && keypad_xmit) {
242 TPUTS_TRACE("keypad_xmit");
245 } else if (!flag && keypad_local) {
246 TPUTS_TRACE("keypad_local");
251 if (flag && !SP->_tried) {
255 SP->_keypad_on = flag;