1 /****************************************************************************
2 * Copyright 2020,2023 Thomas E. Dickey *
3 * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
32 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
33 * and: Thomas E. Dickey 1998-on *
34 * and: Juergen Pfeifer 2009 *
35 ****************************************************************************/
51 #include <curses.priv.h>
53 MODULE_ID("$Id: lib_raw.c,v 1.28 2023/08/12 15:45:07 tom Exp $")
56 #include <sys/termio.h> /* needed for ISC */
61 #define _nc_setmode(mode) setmode(SP_PARM->_ifd, mode)
63 #define _nc_setmode(mode) /* nothing */
71 #define COOKED_INPUT (IXON|BRKINT|PARMRK)
74 #define BEFORE(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s before bits: %s", N, _nc_tracebits())
75 #define AFTER(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s after bits: %s", N, _nc_tracebits())
82 NCURSES_SP_NAME(raw) (NCURSES_SP_DCL0)
87 T((T_CALLED("raw(%p)"), (void *) SP_PARM));
88 if ((termp = TerminalOf(SP_PARM)) != 0) {
92 _nc_setmode(O_BINARY);
96 buf.c_lflag &= (unsigned) ~(ICANON | ISIG | IEXTEN);
97 buf.c_iflag &= (unsigned) ~(COOKED_INPUT);
100 #elif defined(EXP_WIN32_DRIVER)
101 buf.dwFlagIn &= (unsigned long) ~CONMODE_NORAW;
105 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
110 kbdinfo.cb = sizeof(kbdinfo);
111 KbdGetStatus(&kbdinfo, 0);
113 kbdinfo.cb = sizeof(kbdinfo);
114 kbdinfo.fsMask &= ~KEYBOARD_ASCII_MODE;
115 kbdinfo.fsMask |= KEYBOARD_BINARY_MODE;
116 KbdSetStatus(&kbdinfo, 0);
119 IsRaw(SP_PARM) = TRUE;
120 IsCbreak(SP_PARM) = 1;
133 return NCURSES_SP_NAME(raw) (CURRENT_SCREEN);
138 NCURSES_SP_NAME(cbreak) (NCURSES_SP_DCL0)
143 T((T_CALLED("cbreak(%p)"), (void *) SP_PARM));
144 if ((termp = TerminalOf(SP_PARM)) != 0) {
148 _nc_setmode(O_BINARY);
152 buf.c_lflag &= (unsigned) ~ICANON;
153 buf.c_iflag &= (unsigned) ~ICRNL;
157 #elif defined(EXP_WIN32_DRIVER)
158 buf.dwFlagIn |= CONMODE_NORAW;
159 buf.dwFlagIn &= (unsigned long) ~CONMODE_NOCBREAK;
161 buf.sg_flags |= CBREAK;
163 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
166 IsCbreak(SP_PARM) = 1;
179 return NCURSES_SP_NAME(cbreak) (CURRENT_SCREEN);
185 * this implementation may be wrong. See the comment under intrflush().
188 NCURSES_SP_NAME(qiflush) (NCURSES_SP_DCL0)
192 T((T_CALLED("qiflush(%p)"), (void *) SP_PARM));
193 if ((termp = TerminalOf(SP_PARM)) != 0) {
200 buf.c_lflag &= (unsigned) ~(NOFLSH);
201 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
217 NCURSES_SP_NAME(qiflush) (CURRENT_SCREEN);
222 NCURSES_SP_NAME(noraw) (NCURSES_SP_DCL0)
227 T((T_CALLED("noraw(%p)"), (void *) SP_PARM));
228 if ((termp = TerminalOf(SP_PARM)) != 0) {
236 buf.c_lflag |= ISIG | ICANON |
237 (termp->Ottyb.c_lflag & IEXTEN);
238 buf.c_iflag |= COOKED_INPUT;
239 #elif defined(EXP_WIN32_DRIVER)
240 buf.dwFlagIn |= CONMODE_NORAW;
242 buf.sg_flags &= ~(RAW | CBREAK);
244 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
249 kbdinfo.cb = sizeof(kbdinfo);
250 KbdGetStatus(&kbdinfo, 0);
252 kbdinfo.cb = sizeof(kbdinfo);
253 kbdinfo.fsMask &= ~KEYBOARD_BINARY_MODE;
254 kbdinfo.fsMask |= KEYBOARD_ASCII_MODE;
255 KbdSetStatus(&kbdinfo, 0);
258 IsRaw(SP_PARM) = FALSE;
259 IsCbreak(SP_PARM) = 0;
272 return NCURSES_SP_NAME(noraw) (CURRENT_SCREEN);
277 NCURSES_SP_NAME(nocbreak) (NCURSES_SP_DCL0)
282 T((T_CALLED("nocbreak(%p)"), (void *) SP_PARM));
283 if ((termp = TerminalOf(SP_PARM)) != 0) {
291 buf.c_lflag |= ICANON;
292 buf.c_iflag |= ICRNL;
293 #elif defined(EXP_WIN32_DRIVER)
294 buf.dwFlagIn |= (CONMODE_NOCBREAK | CONMODE_NORAW);
296 buf.sg_flags &= ~CBREAK;
298 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
301 IsCbreak(SP_PARM) = 0;
314 return NCURSES_SP_NAME(nocbreak) (CURRENT_SCREEN);
319 NCURSES_SP_NAME(noqiflush) (NCURSES_SP_DCL0)
323 T((T_CALLED("noqiflush(%p)"), (void *) SP_PARM));
324 if ((termp = TerminalOf(SP_PARM)) != 0) {
331 buf.c_lflag |= NOFLSH;
332 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
348 NCURSES_SP_NAME(noqiflush) (CURRENT_SCREEN);
353 * This call does the same thing as the qiflush()/noqiflush() pair. We know
354 * for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the other hand,
355 * the match (in the SVr4 man pages) between the language describing NOFLSH in
356 * termio(7) and the language describing qiflush()/noqiflush() in
357 * curs_inopts(3x) is too exact to be coincidence.
360 NCURSES_SP_NAME(intrflush) (NCURSES_SP_DCLx WINDOW *win GCC_UNUSED, bool flag)
365 T((T_CALLED("intrflush(%p,%d)"), (void *) SP_PARM, flag));
369 if ((termp = TerminalOf(SP_PARM)) != 0) {
376 buf.c_lflag &= (unsigned) ~(NOFLSH);
378 buf.c_lflag |= (NOFLSH);
379 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
393 intrflush(WINDOW *win GCC_UNUSED, bool flag)
395 return NCURSES_SP_NAME(intrflush) (CURRENT_SCREEN, win, flag);
399 #if NCURSES_EXT_FUNCS
402 * SCREEN is always opaque, but nl/raw/cbreak/echo set properties in it.
403 * As an extension, provide a way to query the properties.
405 * There are other properties which could be queried, e.g., filter, keypad,
406 * use_env, use_meta, but these particular properties are saved/restored within
407 * the wgetnstr() and wgetn_wstr() functions, which requires that the higher
408 * level curses library knows about the internal state of the lower level
412 #define is_TEST(show,what) \
413 NCURSES_EXPORT(int) \
414 NCURSES_SP_NAME(show) (NCURSES_SP_DCL0) \
416 return ((SP_PARM != NULL) ? (what(SP_PARM) ? 1 : 0) : -1); \
419 is_TEST(is_nl, IsNl);
420 is_TEST(is_raw, IsRaw);
421 is_TEST(is_cbreak, IsCbreak);
422 is_TEST(is_echo, IsEcho);
426 #define is_TEST(show) \
427 NCURSES_EXPORT(int) \
430 return NCURSES_SP_NAME(show) (CURRENT_SCREEN); \
438 #endif /* extensions */