150276Speter/**************************************************************************** 2184989Srafan * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/* 3050276Speter * def_prog_mode() 3150276Speter * def_shell_mode() 32166124Srafan * reset_prog_mode() 3350276Speter * reset_shell_mode() 3450276Speter * savetty() 3550276Speter * resetty() 3662449Speter */ 3750276Speter 38184989Srafan#include <curses.priv.h> 3950276Speter#include <term.h> /* cur_term */ 4066963Speter 4150276SpeterMODULE_ID("$Id: lib_ttyflags.c,v 1.18 2008/08/03 22:10:44 tom Exp $") 4250276Speter 4350276SpeterNCURSES_EXPORT(int) 4450276Speter_nc_get_tty_mode(TTY * buf) 4562449Speter{ 4650276Speter int result = OK; 4750276Speter 4850276Speter if (buf == 0) { 4950276Speter result = ERR; 5050276Speter } else { 5150276Speter if (cur_term == 0) { 5250276Speter result = ERR; 5350276Speter } else { 5450276Speter for (;;) { 5550276Speter if (GET_TTY(cur_term->Filedes, buf) != 0) { 56174993Srafan if (errno == EINTR) 5750276Speter continue; 5850276Speter result = ERR; 5950276Speter } 6050276Speter break; 61174993Srafan } 62174993Srafan } 63174993Srafan 64174993Srafan if (result == ERR) 65174993Srafan memset(buf, 0, sizeof(*buf)); 66174993Srafan 67174993Srafan TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s", 68174993Srafan cur_term ? cur_term->Filedes : -1, 69174993Srafan _nc_trace_ttymode(buf))); 70174993Srafan } 71174993Srafan return (result); 72174993Srafan} 73174993Srafan 74174993SrafanNCURSES_EXPORT(int) 75174993Srafan_nc_set_tty_mode(TTY * buf) 76174993Srafan{ 7750276Speter int result = OK; 7850276Speter 7962449Speter if (buf == 0) { 8062449Speter result = ERR; 8162449Speter } else { 8262449Speter if (cur_term == 0) { 8350276Speter result = ERR; 8462449Speter } else { 8562449Speter for (;;) { 8650276Speter if (SET_TTY(cur_term->Filedes, buf) != 0) { 8762449Speter if (errno == EINTR) 8850276Speter continue; 8962449Speter if ((errno == ENOTTY) && (SP != 0)) 9062449Speter SP->_notty = TRUE; 9162449Speter result = ERR; 9262449Speter } 9362449Speter break; 9462449Speter } 9562449Speter } 9662449Speter TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s", 9762449Speter cur_term ? cur_term->Filedes : -1, 9862449Speter _nc_trace_ttymode(buf))); 9962449Speter } 10050276Speter return (result); 10150276Speter} 10276726Speter 10398503SpeterNCURSES_EXPORT(int) 10450276Speterdef_shell_mode(void) 10550276Speter{ 10662449Speter int rc = ERR; 10750276Speter 10850276Speter T((T_CALLED("def_shell_mode()"))); 10962449Speter 11050276Speter if (cur_term != 0) { 11162449Speter /* 11262449Speter * If XTABS was on, remove the tab and backtab capabilities. 11362449Speter */ 11462449Speter if (_nc_get_tty_mode(&cur_term->Ottyb) == OK) { 11562449Speter#ifdef TERMIOS 11662449Speter if (cur_term->Ottyb.c_oflag & OFLAGS_TABS) 11762449Speter tab = back_tab = NULL; 11862449Speter#else 11962449Speter if (cur_term->Ottyb.sg_flags & XTABS) 12062449Speter tab = back_tab = NULL; 12162449Speter#endif 12262449Speter rc = OK; 12350276Speter } 12462449Speter } 12550276Speter returnCode(rc); 12662449Speter} 127166124Srafan 128174993SrafanNCURSES_EXPORT(int) 129174993Srafandef_prog_mode(void) 130174993Srafan{ 131174993Srafan int rc = ERR; 13262449Speter 133174993Srafan T((T_CALLED("def_prog_mode()"))); 13462449Speter 13550276Speter if (cur_term != 0) { 13662449Speter /* 13762449Speter * Turn off the XTABS bit in the tty structure if it was on. 13862449Speter */ 13950276Speter if (_nc_get_tty_mode(&cur_term->Nttyb) == OK) { 14062449Speter#ifdef TERMIOS 14150276Speter cur_term->Nttyb.c_oflag &= ~OFLAGS_TABS; 14262449Speter#else 14362449Speter cur_term->Nttyb.sg_flags &= ~XTABS; 14462449Speter#endif 14562449Speter rc = OK; 14650276Speter } 14762449Speter } 14850276Speter returnCode(rc); 14962449Speter} 15062449Speter 15162449SpeterNCURSES_EXPORT(int) 15262449Speterreset_prog_mode(void) 15362449Speter{ 15462449Speter T((T_CALLED("reset_prog_mode()"))); 15562449Speter 15662449Speter if (cur_term != 0) { 15762449Speter if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) { 15862449Speter if (SP) { 15950276Speter if (SP->_keypad_on) 16050276Speter _nc_keypad(SP, TRUE); 16150276Speter NC_BUFFERED(TRUE); 16250276Speter } 16376726Speter returnCode(OK); 16476726Speter } 16576726Speter } 16676726Speter returnCode(ERR); 16776726Speter} 168184989Srafan 16950276SpeterNCURSES_EXPORT(int) 170184989Srafanreset_shell_mode(void) 171184989Srafan{ 17250276Speter T((T_CALLED("reset_shell_mode()"))); 173184989Srafan 174184989Srafan if (cur_term != 0) { 17550276Speter if (SP) { 176184989Srafan _nc_keypad(SP, FALSE); 177184989Srafan _nc_flush(); 17850276Speter NC_BUFFERED(FALSE); 17950276Speter } 180184989Srafan returnCode(_nc_set_tty_mode(&cur_term->Ottyb)); 181184989Srafan } 182184989Srafan returnCode(ERR); 183184989Srafan} 184184989Srafan 185184989Srafanstatic TTY * 186184989Srafansaved_tty(void) 18766963Speter{ 188184989Srafan TTY *result = 0; 18950276Speter 19066963Speter if (SP != 0) { 191184989Srafan result = &(SP->_saved_tty); 19250276Speter } else { 193184989Srafan if (_nc_prescreen.saved_tty == 0) { 194184989Srafan _nc_prescreen.saved_tty = typeCalloc(TTY, 1); 195184989Srafan } 196184989Srafan result = _nc_prescreen.saved_tty; 197184989Srafan } 19866963Speter return result; 199184989Srafan} 200184989Srafan 201184989Srafan/* 202184989Srafan** savetty() and resetty() 203184989Srafan** 204184989Srafan*/ 20566963Speter 20666963SpeterNCURSES_EXPORT(int) 207184989Srafansavetty(void) 20866963Speter{ 20950276Speter T((T_CALLED("savetty()"))); 21050276Speter 211184989Srafan returnCode(_nc_get_tty_mode(saved_tty())); 212184989Srafan} 213184989Srafan 21450276SpeterNCURSES_EXPORT(int) 21550276Speterresetty(void) 21650276Speter{ 21750276Speter T((T_CALLED("resetty()"))); 21850276Speter 21950276Speter returnCode(_nc_set_tty_mode(saved_tty())); 22050276Speter} 22150276Speter