1 /****************************************************************************
2 * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. *
3 * *
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: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
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. *
22 * *
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 *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29 /*
30 * def_prog_mode()
31 * def_shell_mode()
32 * reset_prog_mode()
33 * reset_shell_mode()
34 * savetty()
35 * resetty()
36 */
37
38 #include <curses.priv.h>
39
40 #ifndef CUR
41 #define CUR SP_TERMTYPE
42 #endif
43
44 MODULE_ID("$Id: lib_ttyflags.c,v 1.28 2012/01/21 19:21:29 KO.Myung-Hun Exp $")
45
NCURSES_EXPORT(int)46 NCURSES_EXPORT(int)
47 NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_DCLx TTY * buf)
48 {
49 int result = OK;
50
51 if (buf == 0 || SP_PARM == 0) {
52 result = ERR;
53 } else {
54 TERMINAL *termp = TerminalOf(SP_PARM);
55
56 if (0 == termp) {
57 result = ERR;
58 } else {
59 #ifdef USE_TERM_DRIVER
60 result = CallDriver_2(SP_PARM, sgmode, FALSE, buf);
61 #else
62 for (;;) {
63 if (GET_TTY(termp->Filedes, buf) != 0) {
64 if (errno == EINTR)
65 continue;
66 result = ERR;
67 }
68 break;
69 }
70 #endif
71 }
72
73 if (result == ERR)
74 memset(buf, 0, sizeof(*buf));
75
76 TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
77 termp ? termp->Filedes : -1,
78 _nc_trace_ttymode(buf)));
79 }
80 return (result);
81 }
82
83 #if NCURSES_SP_FUNCS
84 NCURSES_EXPORT(int)
_nc_get_tty_mode(TTY * buf)85 _nc_get_tty_mode(TTY * buf)
86 {
87 return NCURSES_SP_NAME(_nc_get_tty_mode) (CURRENT_SCREEN, buf);
88 }
89 #endif
90
91 NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_set_tty_mode)92 NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_DCLx TTY * buf)
93 {
94 int result = OK;
95
96 if (buf == 0 || SP_PARM == 0) {
97 result = ERR;
98 } else {
99 TERMINAL *termp = TerminalOf(SP_PARM);
100
101 if (0 == termp) {
102 result = ERR;
103 } else {
104 #ifdef USE_TERM_DRIVER
105 result = CallDriver_2(SP_PARM, sgmode, TRUE, buf);
106 #else
107 for (;;) {
108 if ((SET_TTY(termp->Filedes, buf) != 0)
109 #if USE_KLIBC_KBD
110 && !isatty(termp->Filedes)
111 #endif
112 ) {
113 if (errno == EINTR)
114 continue;
115 if ((errno == ENOTTY) && (SP_PARM != 0))
116 SP_PARM->_notty = TRUE;
117 result = ERR;
118 }
119 break;
120 }
121 #endif
122 }
123 TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
124 termp ? termp->Filedes : -1,
125 _nc_trace_ttymode(buf)));
126 }
127 return (result);
128 }
129
130 #if NCURSES_SP_FUNCS
131 NCURSES_EXPORT(int)
_nc_set_tty_mode(TTY * buf)132 _nc_set_tty_mode(TTY * buf)
133 {
134 return NCURSES_SP_NAME(_nc_set_tty_mode) (CURRENT_SCREEN, buf);
135 }
136 #endif
137
138 NCURSES_EXPORT(int)
NCURSES_SP_NAME(def_shell_mode)139 NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_DCL0)
140 {
141 int rc = ERR;
142 TERMINAL *termp = TerminalOf(SP_PARM);
143
144 T((T_CALLED("def_shell_mode(%p)"), (void *) SP_PARM));
145
146 if (termp != 0) {
147 #ifdef USE_TERM_DRIVER
148 rc = CallDriver_2(SP_PARM, mode, FALSE, TRUE);
149 #else
150 /*
151 * If XTABS was on, remove the tab and backtab capabilities.
152 */
153 if (_nc_get_tty_mode(&termp->Ottyb) == OK) {
154 #ifdef TERMIOS
155 if (termp->Ottyb.c_oflag & OFLAGS_TABS)
156 tab = back_tab = NULL;
157 #else
158 if (termp->Ottyb.sg_flags & XTABS)
159 tab = back_tab = NULL;
160 #endif
161 rc = OK;
162 }
163 #endif
164 }
165 returnCode(rc);
166 }
167
168 #if NCURSES_SP_FUNCS
169 NCURSES_EXPORT(int)
def_shell_mode(void)170 def_shell_mode(void)
171 {
172 return NCURSES_SP_NAME(def_shell_mode) (CURRENT_SCREEN);
173 }
174 #endif
175
176 NCURSES_EXPORT(int)
NCURSES_SP_NAME(def_prog_mode)177 NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_DCL0)
178 {
179 int rc = ERR;
180 TERMINAL *termp = TerminalOf(SP_PARM);
181
182 T((T_CALLED("def_prog_mode(%p)"), (void *) SP_PARM));
183
184 if (termp != 0) {
185 #ifdef USE_TERM_DRIVER
186 rc = CallDriver_2(SP_PARM, mode, TRUE, TRUE);
187 #else
188 /*
189 * Turn off the XTABS bit in the tty structure if it was on.
190 */
191 if (_nc_get_tty_mode(&termp->Nttyb) == OK) {
192 #ifdef TERMIOS
193 termp->Nttyb.c_oflag &= (unsigned) (~OFLAGS_TABS);
194 #else
195 termp->Nttyb.sg_flags &= (unsigned) (~XTABS);
196 #endif
197 rc = OK;
198 }
199 #endif
200 }
201 returnCode(rc);
202 }
203
204 #if NCURSES_SP_FUNCS
205 NCURSES_EXPORT(int)
def_prog_mode(void)206 def_prog_mode(void)
207 {
208 return NCURSES_SP_NAME(def_prog_mode) (CURRENT_SCREEN);
209 }
210 #endif
211
212 NCURSES_EXPORT(int)
NCURSES_SP_NAME(reset_prog_mode)213 NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_DCL0)
214 {
215 int rc = ERR;
216 TERMINAL *termp = TerminalOf(SP_PARM);
217
218 T((T_CALLED("reset_prog_mode(%p)"), (void *) SP_PARM));
219
220 if (termp != 0) {
221 #ifdef USE_TERM_DRIVER
222 rc = CallDriver_2(SP_PARM, mode, TRUE, FALSE);
223 #else
224 if (_nc_set_tty_mode(&termp->Nttyb) == OK) {
225 if (SP_PARM) {
226 if (SP_PARM->_keypad_on)
227 _nc_keypad(SP_PARM, TRUE);
228 NC_BUFFERED(SP_PARM, TRUE);
229 }
230 rc = OK;
231 }
232 #endif
233 }
234 returnCode(rc);
235 }
236
237 #if NCURSES_SP_FUNCS
238 NCURSES_EXPORT(int)
reset_prog_mode(void)239 reset_prog_mode(void)
240 {
241 return NCURSES_SP_NAME(reset_prog_mode) (CURRENT_SCREEN);
242 }
243 #endif
244
245 NCURSES_EXPORT(int)
NCURSES_SP_NAME(reset_shell_mode)246 NCURSES_SP_NAME(reset_shell_mode) (NCURSES_SP_DCL0)
247 {
248 int rc = ERR;
249 TERMINAL *termp = TerminalOf(SP_PARM);
250
251 T((T_CALLED("reset_shell_mode(%p)"), (void *) SP_PARM));
252
253 if (termp != 0) {
254 #ifdef USE_TERM_DRIVER
255 rc = CallDriver_2(SP_PARM, mode, FALSE, FALSE);
256 #else
257 if (SP_PARM) {
258 _nc_keypad(SP_PARM, FALSE);
259 _nc_flush();
260 NC_BUFFERED(SP_PARM, FALSE);
261 }
262 rc = _nc_set_tty_mode(&termp->Ottyb);
263 #endif
264 }
265 returnCode(rc);
266 }
267
268 #if NCURSES_SP_FUNCS
269 NCURSES_EXPORT(int)
reset_shell_mode(void)270 reset_shell_mode(void)
271 {
272 return NCURSES_SP_NAME(reset_shell_mode) (CURRENT_SCREEN);
273 }
274 #endif
275
276 static TTY *
saved_tty(NCURSES_SP_DCL0)277 saved_tty(NCURSES_SP_DCL0)
278 {
279 TTY *result = 0;
280
281 if (SP_PARM != 0) {
282 result = (TTY *) & (SP_PARM->_saved_tty);
283 } else {
284 if (_nc_prescreen.saved_tty == 0) {
285 _nc_prescreen.saved_tty = typeCalloc(TTY, 1);
286 }
287 result = _nc_prescreen.saved_tty;
288 }
289 return result;
290 }
291
292 /*
293 ** savetty() and resetty()
294 **
295 */
296
297 NCURSES_EXPORT(int)
NCURSES_SP_NAME(savetty)298 NCURSES_SP_NAME(savetty) (NCURSES_SP_DCL0)
299 {
300 T((T_CALLED("savetty(%p)"), (void *) SP_PARM));
301 returnCode(NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_ARGx saved_tty(NCURSES_SP_ARG)));
302 }
303
304 #if NCURSES_SP_FUNCS
305 NCURSES_EXPORT(int)
savetty(void)306 savetty(void)
307 {
308 return NCURSES_SP_NAME(savetty) (CURRENT_SCREEN);
309 }
310 #endif
311
312 NCURSES_EXPORT(int)
NCURSES_SP_NAME(resetty)313 NCURSES_SP_NAME(resetty) (NCURSES_SP_DCL0)
314 {
315 T((T_CALLED("resetty(%p)"), (void *) SP_PARM));
316 returnCode(NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx saved_tty(NCURSES_SP_ARG)));
317 }
318
319 #if NCURSES_SP_FUNCS
320 NCURSES_EXPORT(int)
resetty(void)321 resetty(void)
322 {
323 return NCURSES_SP_NAME(resetty) (CURRENT_SCREEN);
324 }
325 #endif
326