1 /****************************************************************************
2 * Copyright (c) 1998,1999,2000 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. *
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 *
24 * holders shall not be used in advertising or otherwise to promote the *
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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 1.39 2000/03/12 00:19:11 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));
121 keypad(WINDOW *win, bool flag)
123 T((T_CALLED("keypad(%p,%d)"), win, flag));
126 win->_use_keypad = flag;
127 returnCode(_nc_keypad(flag));
133 meta(WINDOW *win GCC_UNUSED, bool flag)
135 /* Ok, we stay relaxed and don't signal an error if win is NULL */
136 T((T_CALLED("meta(%p,%d)"), win, flag));
138 SP->_use_meta = flag;
140 if (flag && meta_on) {
141 TPUTS_TRACE("meta_on");
143 } else if (!flag && meta_off) {
144 TPUTS_TRACE("meta_off");
150 /* curs_set() moved here to narrow the kernel interface */
155 int cursor = SP->_cursor;
157 T((T_CALLED("curs_set(%d)"), vis));
159 if (vis < 0 || vis > 2)
167 if (cursor_visible) {
168 TPUTS_TRACE("cursor_visible");
169 putp(cursor_visible);
175 TPUTS_TRACE("cursor_normal");
181 if (cursor_invisible) {
182 TPUTS_TRACE("cursor_invisible");
183 putp(cursor_invisible);
191 returnCode(cursor == -1 ? 1 : cursor);
197 T((T_CALLED("typeahead(%d)"), fd));
205 ** Return TRUE if the current terminal has the given key
209 #ifdef NCURSES_EXT_FUNCS
211 has_key_internal(int keycode, struct tries *tp)
215 else if (tp->value == keycode)
218 return (has_key_internal(keycode, tp->child)
219 || has_key_internal(keycode, tp->sibling));
225 T((T_CALLED("has_key(%d)"), keycode));
226 returnCode(has_key_internal(keycode, SP->_keytry));
228 #endif /* NCURSES_EXT_FUNCS */
230 /* Turn the keypad on/off
232 * Note: we flush the output because changing this mode causes some terminals
233 * to emit different escape sequences for cursor and keypad keys. If we don't
234 * flush, then the next wgetch may get the escape sequence that corresponds to
235 * the terminal state _before_ switching modes.
238 _nc_keypad(bool flag)
240 if (flag && keypad_xmit) {
241 TPUTS_TRACE("keypad_xmit");
244 } else if (!flag && keypad_local) {
245 TPUTS_TRACE("keypad_local");
250 if (flag && !SP->_tried) {