diff options
Diffstat (limited to 'ncurses-5.2/ncurses/tinfo/lib_raw.c')
| -rw-r--r-- | ncurses-5.2/ncurses/tinfo/lib_raw.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/ncurses-5.2/ncurses/tinfo/lib_raw.c b/ncurses-5.2/ncurses/tinfo/lib_raw.c new file mode 100644 index 0000000..2f60540 --- /dev/null +++ b/ncurses-5.2/ncurses/tinfo/lib_raw.c @@ -0,0 +1,236 @@ +/**************************************************************************** + * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + ****************************************************************************/ + +/* + * raw.c + * + * Routines: + * raw() + * cbreak() + * noraw() + * nocbreak() + * qiflush() + * noqiflush() + * intrflush() + * + */ + +#include <curses.priv.h> +#include <term.h> /* cur_term */ + +MODULE_ID("$Id$") + +#if SVR4_TERMIO && !defined(_POSIX_SOURCE) +#define _POSIX_SOURCE +#endif + +#if HAVE_SYS_TERMIO_H +#include <sys/termio.h> /* needed for ISC */ +#endif + +#ifdef __EMX__ +#include <io.h> +#endif + +#define COOKED_INPUT (IXON|BRKINT|PARMRK) + +#ifdef TRACE +#define BEFORE(N) if (_nc_tracing&TRACE_BITS) _tracef("%s before bits: %s", N, _nc_tracebits()) +#define AFTER(N) if (_nc_tracing&TRACE_BITS) _tracef("%s after bits: %s", N, _nc_tracebits()) +#else +#define BEFORE(s) +#define AFTER(s) +#endif /* TRACE */ + +int +raw(void) +{ + T((T_CALLED("raw()"))); + if (SP != 0 && cur_term != 0) { + + SP->_raw = TRUE; + SP->_cbreak = 1; + +#ifdef __EMX__ + setmode(SP->_ifd, O_BINARY); +#endif + +#ifdef TERMIOS + BEFORE("raw"); + cur_term->Nttyb.c_lflag &= ~(ICANON | ISIG | IEXTEN); + cur_term->Nttyb.c_iflag &= ~(COOKED_INPUT); + cur_term->Nttyb.c_cc[VMIN] = 1; + cur_term->Nttyb.c_cc[VTIME] = 0; + AFTER("raw"); +#else + cur_term->Nttyb.sg_flags |= RAW; +#endif + returnCode(_nc_set_tty_mode(&cur_term->Nttyb)); + } + returnCode(ERR); +} + +int +cbreak(void) +{ + T((T_CALLED("cbreak()"))); + + SP->_cbreak = 1; + +#ifdef __EMX__ + setmode(SP->_ifd, O_BINARY); +#endif + +#ifdef TERMIOS + BEFORE("cbreak"); + cur_term->Nttyb.c_lflag &= ~ICANON; + cur_term->Nttyb.c_iflag &= ~ICRNL; + cur_term->Nttyb.c_lflag |= ISIG; + cur_term->Nttyb.c_cc[VMIN] = 1; + cur_term->Nttyb.c_cc[VTIME] = 0; + AFTER("cbreak"); +#else + cur_term->Nttyb.sg_flags |= CBREAK; +#endif + returnCode(_nc_set_tty_mode(&cur_term->Nttyb)); +} + +void +qiflush(void) +{ + T((T_CALLED("qiflush()"))); + + /* + * Note: this implementation may be wrong. See the comment under + * intrflush(). + */ + +#ifdef TERMIOS + BEFORE("qiflush"); + cur_term->Nttyb.c_lflag &= ~(NOFLSH); + AFTER("qiflush"); + (void) _nc_set_tty_mode(&cur_term->Nttyb); + returnVoid; +#endif +} + +int +noraw(void) +{ + T((T_CALLED("noraw()"))); + + SP->_raw = FALSE; + SP->_cbreak = 0; + +#ifdef __EMX__ + setmode(SP->_ifd, O_TEXT); +#endif + +#ifdef TERMIOS + BEFORE("noraw"); + cur_term->Nttyb.c_lflag |= ISIG | ICANON | + (cur_term->Ottyb.c_lflag & IEXTEN); + cur_term->Nttyb.c_iflag |= COOKED_INPUT; + AFTER("noraw"); +#else + cur_term->Nttyb.sg_flags &= ~(RAW | CBREAK); +#endif + returnCode(_nc_set_tty_mode(&cur_term->Nttyb)); +} + +int +nocbreak(void) +{ + T((T_CALLED("nocbreak()"))); + + SP->_cbreak = 0; + +#ifdef __EMX__ + setmode(SP->_ifd, O_TEXT); +#endif + +#ifdef TERMIOS + BEFORE("nocbreak"); + cur_term->Nttyb.c_lflag |= ICANON; + cur_term->Nttyb.c_iflag |= ICRNL; + AFTER("nocbreak"); +#else + cur_term->Nttyb.sg_flags &= ~CBREAK; +#endif + returnCode(_nc_set_tty_mode(&cur_term->Nttyb)); +} + +void +noqiflush(void) +{ + T((T_CALLED("noqiflush()"))); + + /* + * Note: this implementation may be wrong. See the comment under + * intrflush(). + */ + +#ifdef TERMIOS + BEFORE("noqiflush"); + cur_term->Nttyb.c_lflag |= NOFLSH; + AFTER("noqiflush"); + (void) _nc_set_tty_mode(&cur_term->Nttyb); + returnVoid; +#endif +} + +int +intrflush(WINDOW *win GCC_UNUSED, bool flag) +{ + T((T_CALLED("intrflush(%d)"), flag)); + + /* + * This call does the same thing as the qiflush()/noqiflush() pair. We + * know for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the + * other hand, the match (in the SVr4 man pages) between the language + * describing NOFLSH in termio(7) and the language describing + * qiflush()/noqiflush() in curs_inopts(3x) is too exact to be coincidence. + */ + +#ifdef TERMIOS + BEFORE("intrflush"); + if (flag) + cur_term->Nttyb.c_lflag &= ~(NOFLSH); + else + cur_term->Nttyb.c_lflag |= (NOFLSH); + AFTER("intrflush"); + returnCode(_nc_set_tty_mode(&cur_term->Nttyb)); +#else + returnCode(ERR); +#endif +} |