diff options
Diffstat (limited to 'ncurses-5.2/ncurses/base/lib_newterm.c')
| -rw-r--r-- | ncurses-5.2/ncurses/base/lib_newterm.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/ncurses-5.2/ncurses/base/lib_newterm.c b/ncurses-5.2/ncurses/base/lib_newterm.c deleted file mode 100644 index 248a6c6..0000000 --- a/ncurses-5.2/ncurses/base/lib_newterm.c +++ /dev/null @@ -1,227 +0,0 @@ -/**************************************************************************** - * 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> * - ****************************************************************************/ - -/* -** lib_newterm.c -** -** The newterm() function. -** -*/ - -#include <curses.priv.h> - -#if SVR4_TERMIO && !defined(_POSIX_SOURCE) -#define _POSIX_SOURCE -#endif - -#include <term.h> /* clear_screen, cup & friends, cur_term */ -#include <tic.h> - -MODULE_ID("$Id$") - -#ifndef ONLCR /* Allows compilation under the QNX 4.2 OS */ -#define ONLCR 0 -#endif - -/* - * SVr4/XSI Curses specify that hardware echo is turned off in initscr, and not - * restored during the curses session. The library simulates echo in software. - * (The behavior is unspecified if the application enables hardware echo). - * - * The newterm function also initializes terminal settings, and since initscr - * is supposed to behave as if it calls newterm, we do it here. - */ -static inline int -_nc_initscr(void) -{ - /* for extended XPG4 conformance requires cbreak() at this point */ - /* (SVr4 curses does this anyway) */ - cbreak(); - -#ifdef TERMIOS - cur_term->Nttyb.c_lflag &= ~(ECHO | ECHONL); - cur_term->Nttyb.c_iflag &= ~(ICRNL | INLCR | IGNCR); - cur_term->Nttyb.c_oflag &= ~(ONLCR); -#else - cur_term->Nttyb.sg_flags &= ~(ECHO | CRMOD); -#endif - return _nc_set_tty_mode(&cur_term->Nttyb); -} - -/* - * filter() has to be called before either initscr() or newterm(), so there is - * apparently no way to make this flag apply to some terminals and not others, - * aside from possibly delaying a filter() call until some terminals have been - * initialized. - */ -static int filter_mode = FALSE; - -void -filter(void) -{ - filter_mode = TRUE; -} - -SCREEN * -newterm(NCURSES_CONST char *name, FILE * ofp, FILE * ifp) -{ - int errret; - int slk_format = _nc_slk_format; - SCREEN *current; -#ifdef TRACE - int t = _nc_getenv_num("NCURSES_TRACE"); - - if (t >= 0) - trace(t); -#endif - - T((T_CALLED("newterm(\"%s\",%p,%p)"), name, ofp, ifp)); - - /* this loads the capability entry, then sets LINES and COLS */ - if (setupterm(name, fileno(ofp), &errret) == ERR) - return 0; - - /* implement filter mode */ - if (filter_mode) { - LINES = 1; - - if (VALID_NUMERIC(init_tabs)) - TABSIZE = init_tabs; - else - TABSIZE = 8; - - T(("TABSIZE = %d", TABSIZE)); - - clear_screen = 0; - cursor_down = parm_down_cursor = 0; - cursor_address = 0; - cursor_up = parm_up_cursor = 0; - row_address = 0; - - cursor_home = carriage_return; - } - - /* If we must simulate soft labels, grab off the line to be used. - We assume that we must simulate, if it is none of the standard - formats (4-4 or 3-2-3) for which there may be some hardware - support. */ - if (num_labels <= 0 || !SLK_STDFMT(slk_format)) - if (slk_format) { - if (ERR == _nc_ripoffline(-SLK_LINES(slk_format), - _nc_slk_initialize)) - return 0; - } - /* this actually allocates the screen structure, and saves the - * original terminal settings. - */ - current = SP; - _nc_set_screen(0); - if (_nc_setupscreen(LINES, COLS, ofp) == ERR) { - _nc_set_screen(current); - return 0; - } - - /* if the terminal type has real soft labels, set those up */ - if (slk_format && num_labels > 0 && SLK_STDFMT(slk_format)) - _nc_slk_initialize(stdscr, COLS); - - SP->_ifd = fileno(ifp); - SP->_checkfd = fileno(ifp); - typeahead(fileno(ifp)); -#ifdef TERMIOS - SP->_use_meta = ((cur_term->Ottyb.c_cflag & CSIZE) == CS8 && - !(cur_term->Ottyb.c_iflag & ISTRIP)); -#else - SP->_use_meta = FALSE; -#endif - SP->_endwin = FALSE; - - /* Check whether we can optimize scrolling under dumb terminals in case - * we do not have any of these capabilities, scrolling optimization - * will be useless. - */ - SP->_scrolling = ((scroll_forward && scroll_reverse) || - ((parm_rindex || parm_insert_line || insert_line) && - (parm_index || parm_delete_line || delete_line))); - - baudrate(); /* sets a field in the SP structure */ - - SP->_keytry = 0; - - /* - * Check for mismatched graphic-rendition capabilities. Most SVr4 - * terminfo trees contain entries that have rmul or rmso equated to - * sgr0 (Solaris curses copes with those entries). We do this only for - * curses, since many termcap applications assume that smso/rmso and - * smul/rmul are paired, and will not function properly if we remove - * rmso or rmul. Curses applications shouldn't be looking at this - * detail. - */ -#define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode)) - SP->_use_rmso = SGR0_TEST(exit_standout_mode); - SP->_use_rmul = SGR0_TEST(exit_underline_mode); - -#if USE_WIDEC_SUPPORT - /* - * XFree86 xterm can be configured to support UTF-8 based on environment - * variable settings. - */ - { - char *s; - s = getenv("LC_ALL"); - if (s == NULL || *s == '\0') { - s = getenv("LC_CTYPE"); - if (s == NULL || *s == '\0') { - s = getenv("LANG"); - } - } - if (s != NULL && *s != '\0' && strstr(s, "UTF-8") != NULL) { - SP->_outch = _nc_utf8_outch; - } - } -#endif - - /* compute movement costs so we can do better move optimization */ - _nc_mvcur_init(); - - /* initialize terminal to a sane state */ - _nc_screen_init(); - - /* Initialize the terminal line settings. */ - _nc_initscr(); - - _nc_signal_handler(TRUE); - - T((T_RETURN("%p"), SP)); - return (SP); -} |