diff options
Diffstat (limited to 'lib/libcurses/base/lib_newterm.c')
| -rw-r--r-- | lib/libcurses/base/lib_newterm.c | 213 |
1 files changed, 107 insertions, 106 deletions
diff --git a/lib/libcurses/base/lib_newterm.c b/lib/libcurses/base/lib_newterm.c index 7f6632c4cc8..3360ebcd704 100644 --- a/lib/libcurses/base/lib_newterm.c +++ b/lib/libcurses/base/lib_newterm.c @@ -1,7 +1,7 @@ -/* $OpenBSD: lib_newterm.c,v 1.5 1999/08/15 11:40:55 millert Exp $ */ +/* $OpenBSD: lib_newterm.c,v 1.6 2000/01/02 22:06:51 millert Exp $ */ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2000 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 * @@ -33,8 +33,6 @@ * and: Eric S. Raymond <esr@snark.thyrsus.com> * ****************************************************************************/ - - /* ** lib_newterm.c ** @@ -48,11 +46,12 @@ #define _POSIX_SOURCE #endif -#include <term.h> /* clear_screen, cup & friends, cur_term */ +#include <term.h> /* clear_screen, cup & friends, cur_term */ +#include <tic.h> -MODULE_ID("$From: lib_newterm.c,v 1.41 1999/07/24 20:07:48 tom Exp $") +MODULE_ID("$From: lib_newterm.c,v 1.43 2000/01/01 16:56:20 tom Exp $") -#ifndef ONLCR /* Allows compilation under the QNX 4.2 OS */ +#ifndef ONLCR /* Allows compilation under the QNX 4.2 OS */ #define ONLCR 0 #endif @@ -64,20 +63,21 @@ MODULE_ID("$From: lib_newterm.c,v 1.41 1999/07/24 20:07:48 tom Exp $") * 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) +static inline int +_nc_initscr(void) { - /* for extended XPG4 conformance requires cbreak() at this point */ - /* (SVr4 curses does this anyway) */ - cbreak(); + /* 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); + 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); + cur_term->Nttyb.sg_flags &= ~(ECHO | CRMOD); #endif - return _nc_set_tty_mode(&cur_term->Nttyb); + return _nc_set_tty_mode(&cur_term->Nttyb); } /* @@ -88,121 +88,122 @@ static inline int _nc_initscr(void) */ static int filter_mode = FALSE; -void filter(void) +void +filter(void) { filter_mode = TRUE; } -SCREEN * newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp) +SCREEN * +newterm(NCURSES_CONST char *name, FILE * ofp, FILE * ifp) { -int errret; -int slk_format = _nc_slk_format; -SCREEN* current; + int errret; + int slk_format = _nc_slk_format; + SCREEN *current; #ifdef TRACE -int t = _nc_getenv_num("NCURSES_TRACE"); + int t = _nc_getenv_num("NCURSES_TRACE"); - if (t >= 0) - trace(t); + if (t >= 0) + trace(t); #endif - T((T_CALLED("newterm(\"%s\",%p,%p)"), name, ofp, ifp)); + 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; + /* 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; + /* implement filter mode */ + if (filter_mode) { + LINES = 1; - if (init_tabs != -1) - TABSIZE = init_tabs; - else - TABSIZE = 8; + if (VALID_NUMERIC(init_tabs)) + TABSIZE = init_tabs; + else + TABSIZE = 8; - T(("TABSIZE = %d", TABSIZE)); + 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; + 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; - } + 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); + /* 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; } - - /* 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)); + /* 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)); + SP->_use_meta = ((cur_term->Ottyb.c_cflag & CSIZE) == CS8 && + !(cur_term->Ottyb.c_iflag & ISTRIP)); #else - SP->_use_meta = FALSE; + 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. - */ + 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); + SP->_use_rmso = SGR0_TEST(exit_standout_mode); + SP->_use_rmul = SGR0_TEST(exit_underline_mode); - /* compute movement costs so we can do better move optimization */ - _nc_mvcur_init(); + /* compute movement costs so we can do better move optimization */ + _nc_mvcur_init(); - /* initialize terminal to a sane state */ - _nc_screen_init(); + /* initialize terminal to a sane state */ + _nc_screen_init(); - /* Initialize the terminal line settings. */ - _nc_initscr(); + /* Initialize the terminal line settings. */ + _nc_initscr(); - _nc_signal_handler(TRUE); + _nc_signal_handler(TRUE); - T((T_RETURN("%p"), SP)); - return(SP); + T((T_RETURN("%p"), SP)); + return (SP); } |