1/**************************************************************************** 2 * Copyright (c) 1998-2002,2003 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#include <term.h> /* cur_term */ 40 41MODULE_ID("$Id: lib_ttyflags.c,v 1.11 2003/05/17 23:50:37 tom Exp $") 42 43#undef tabs 44 45#ifdef TAB3 46# define tabs TAB3 47#else 48# ifdef XTABS 49# define tabs XTABS 50# else 51# ifdef OXTABS 52# define tabs OXTABS 53# else 54# define tabs 0 55# endif 56# endif 57#endif 58 59NCURSES_EXPORT(int) 60_nc_get_tty_mode(TTY * buf) 61{ 62 if (cur_term == 0 63 || GET_TTY(cur_term->Filedes, buf) != 0) { 64 memset(buf, 0, sizeof(*buf)); 65 return (ERR); 66 } 67 TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s", 68 cur_term->Filedes, _nc_trace_ttymode(buf))); 69 return (OK); 70} 71 72NCURSES_EXPORT(int) 73_nc_set_tty_mode(TTY * buf) 74{ 75 if (cur_term == 0 76 || SET_TTY(cur_term->Filedes, buf) != 0) { 77 if ((errno == ENOTTY) && (SP != 0)) 78 SP->_notty = TRUE; 79 return (ERR); 80 } 81 TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s", 82 cur_term->Filedes, _nc_trace_ttymode(buf))); 83 return (OK); 84} 85 86NCURSES_EXPORT(int) 87def_shell_mode(void) 88{ 89 T((T_CALLED("def_shell_mode()"))); 90 91 /* 92 * Turn off the XTABS bit in the tty structure if it was on. If XTABS 93 * was on, remove the tab and backtab capabilities. 94 */ 95 96 if (_nc_get_tty_mode(&cur_term->Ottyb) != OK) 97 returnCode(ERR); 98#ifdef TERMIOS 99 if (cur_term->Ottyb.c_oflag & tabs) 100 tab = back_tab = NULL; 101#else 102 if (cur_term->Ottyb.sg_flags & XTABS) 103 tab = back_tab = NULL; 104#endif 105 returnCode(OK); 106} 107 108NCURSES_EXPORT(int) 109def_prog_mode(void) 110{ 111 T((T_CALLED("def_prog_mode()"))); 112 113 if (_nc_get_tty_mode(&cur_term->Nttyb) != OK) 114 returnCode(ERR); 115#ifdef TERMIOS 116 cur_term->Nttyb.c_oflag &= ~tabs; 117#else 118 cur_term->Nttyb.sg_flags &= ~XTABS; 119#endif 120 returnCode(OK); 121} 122 123NCURSES_EXPORT(int) 124reset_prog_mode(void) 125{ 126 T((T_CALLED("reset_prog_mode()"))); 127 128 if (cur_term != 0) { 129 if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) { 130 if (SP) { 131 if (SP->_keypad_on) 132 _nc_keypad(TRUE); 133 NC_BUFFERED(TRUE); 134 } 135 returnCode(OK); 136 } 137 } 138 returnCode(ERR); 139} 140 141NCURSES_EXPORT(int) 142reset_shell_mode(void) 143{ 144 T((T_CALLED("reset_shell_mode()"))); 145 146 if (cur_term != 0) { 147 if (SP) { 148 _nc_keypad(FALSE); 149 _nc_flush(); 150 NC_BUFFERED(FALSE); 151 } 152 returnCode(_nc_set_tty_mode(&cur_term->Ottyb)); 153 } 154 returnCode(ERR); 155} 156 157/* 158** savetty() and resetty() 159** 160*/ 161 162static TTY buf; 163 164NCURSES_EXPORT(int) 165savetty(void) 166{ 167 T((T_CALLED("savetty()"))); 168 169 returnCode(_nc_get_tty_mode(&buf)); 170} 171 172NCURSES_EXPORT(int) 173resetty(void) 174{ 175 T((T_CALLED("resetty()"))); 176 177 returnCode(_nc_set_tty_mode(&buf)); 178} 179