diff options
Diffstat (limited to 'ncurses/tinfo/lib_setup.c')
| -rw-r--r-- | ncurses/tinfo/lib_setup.c | 401 |
1 files changed, 296 insertions, 105 deletions
diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c index 8cfaf12c5348..5fcf2ae3fc32 100644 --- a/ncurses/tinfo/lib_setup.c +++ b/ncurses/tinfo/lib_setup.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * + * Copyright (c) 1998-2010,2011 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 * @@ -30,6 +30,7 @@ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * * and: Eric S. Raymond <esr@snark.thyrsus.com> * * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer 2009 * ****************************************************************************/ /* @@ -41,7 +42,6 @@ #include <curses.priv.h> #include <tic.h> /* for MAX_NAME_SIZE */ -#include <term_entry.h> #if SVR4_TERMIO && !defined(_POSIX_SOURCE) #define _POSIX_SOURCE @@ -51,9 +51,7 @@ #include <locale.h> #endif -#include <term.h> /* lines, columns, cur_term */ - -MODULE_ID("$Id: lib_setup.c,v 1.111 2008/08/03 22:42:33 tom Exp $") +MODULE_ID("$Id: lib_setup.c,v 1.135 2011/02/06 01:04:21 tom Exp $") /**************************************************************************** * @@ -109,61 +107,96 @@ MODULE_ID("$Id: lib_setup.c,v 1.111 2008/08/03 22:42:33 tom Exp $") * Wrap global variables in this module. */ #if USE_REENTRANT + NCURSES_EXPORT(char *) NCURSES_PUBLIC_VAR(ttytype) (void) { static char empty[] = ""; - return cur_term ? cur_term->type.term_names : empty; + char *result = empty; + +#if NCURSES_SP_FUNCS + if (CURRENT_SCREEN) { + TERMINAL *termp = TerminalOf(CURRENT_SCREEN); + if (termp != 0) { + result = termp->type.term_names; + } + } +#else + if (cur_term != 0) { + result = cur_term->type.term_names; + } +#endif + return result; } + NCURSES_EXPORT(int *) -_nc_ptr_Lines(void) +_nc_ptr_Lines(SCREEN *sp) { - return ptrLines(); + return ptrLines(sp); } + NCURSES_EXPORT(int) NCURSES_PUBLIC_VAR(LINES) (void) { - return *_nc_ptr_Lines(); + return *_nc_ptr_Lines(CURRENT_SCREEN); } + NCURSES_EXPORT(int *) -_nc_ptr_Cols(void) +_nc_ptr_Cols(SCREEN *sp) { - return ptrCols(); + return ptrCols(sp); } + NCURSES_EXPORT(int) NCURSES_PUBLIC_VAR(COLS) (void) { - return *_nc_ptr_Cols(); + return *_nc_ptr_Cols(CURRENT_SCREEN); +} + +NCURSES_EXPORT(int *) +_nc_ptr_Tabsize(SCREEN *sp) +{ + return ptrTabsize(sp); } + NCURSES_EXPORT(int) NCURSES_PUBLIC_VAR(TABSIZE) (void) { - return SP ? SP->_TABSIZE : 8; + return *_nc_ptr_Tabsize(CURRENT_SCREEN); } #else NCURSES_EXPORT_VAR(char) ttytype[NAMESIZE] = ""; NCURSES_EXPORT_VAR(int) LINES = 0; NCURSES_EXPORT_VAR(int) COLS = 0; -NCURSES_EXPORT_VAR(int) TABSIZE = 0; +NCURSES_EXPORT_VAR(int) TABSIZE = 8; #endif #if NCURSES_EXT_FUNCS NCURSES_EXPORT(int) -set_tabsize(int value) +NCURSES_SP_NAME(set_tabsize) (NCURSES_SP_DCLx int value) { int code = OK; #if USE_REENTRANT - if (SP) { - SP->_TABSIZE = value; + if (SP_PARM) { + SP_PARM->_TABSIZE = value; } else { code = ERR; } #else + (void) SP_PARM; TABSIZE = value; #endif return code; } + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +set_tabsize(int value) +{ + return NCURSES_SP_NAME(set_tabsize) (CURRENT_SCREEN, value); +} #endif +#endif /* NCURSES_EXT_FUNCS */ #if USE_SIGWINCH /* @@ -188,42 +221,71 @@ _nc_handle_sigwinch(SCREEN *sp) #endif NCURSES_EXPORT(void) +NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f) +{ + T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f)); +#if NCURSES_SP_FUNCS + if (IsPreScreen(SP_PARM)) { + SP_PARM->_use_env = f; + } +#else + _nc_prescreen.use_env = f; +#endif + returnVoid; +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(void) use_env(bool f) { - T((T_CALLED("use_env()"))); + T((T_CALLED("use_env(%d)"), (int) f)); _nc_prescreen.use_env = f; returnVoid; } +#endif NCURSES_EXPORT(void) -_nc_get_screensize(SCREEN *sp, int *linep, int *colp) +_nc_get_screensize(SCREEN *sp, +#ifdef USE_TERM_DRIVER + TERMINAL * termp, +#endif + int *linep, int *colp) /* Obtain lines/columns values from the environment and/or terminfo entry */ { +#ifdef USE_TERM_DRIVER + TERMINAL_CONTROL_BLOCK *TCB; + int my_tabsize; + + assert(termp != 0 && linep != 0 && colp != 0); + TCB = (TERMINAL_CONTROL_BLOCK *) termp; + + my_tabsize = TCB->info.tabsize; + TCB->drv->size(TCB, linep, colp); + +#if USE_REENTRANT + if (sp != 0) { + sp->_TABSIZE = my_tabsize; + } +#else + (void) sp; + TABSIZE = my_tabsize; +#endif + T(("TABSIZE = %d", my_tabsize)); +#else /* !USE_TERM_DRIVER */ TERMINAL *termp = cur_term; int my_tabsize; /* figure out the size of the screen */ T(("screen size: terminfo lines = %d columns = %d", lines, columns)); - if (!_nc_prescreen.use_env) { - *linep = (int) lines; - *colp = (int) columns; - } else { /* usually want to query LINES and COLUMNS from environment */ - int value; - - *linep = *colp = 0; + *linep = (int) lines; + *colp = (int) columns; - /* first, look for environment variables */ - if ((value = _nc_getenv_num("LINES")) > 0) { - *linep = value; - } - if ((value = _nc_getenv_num("COLUMNS")) > 0) { - *colp = value; - } - T(("screen size: environment LINES = %d COLUMNS = %d", *linep, *colp)); + if (_nc_prescreen.use_env) { + int value; #ifdef __EMX__ - if (*linep <= 0 || *colp <= 0) { + { int screendata[2]; _scrsize(screendata); *colp = screendata[0]; @@ -233,33 +295,41 @@ _nc_get_screensize(SCREEN *sp, int *linep, int *colp) } #endif #if HAVE_SIZECHANGE - /* if that didn't work, maybe we can try asking the OS */ - if (*linep <= 0 || *colp <= 0) { - if (isatty(cur_term->Filedes)) { - STRUCT_WINSIZE size; - - errno = 0; - do { - if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) < 0 - && errno != EINTR) - goto failure; - } while - (errno == EINTR); - - /* - * Solaris lets users override either dimension with an - * environment variable. - */ - if (*linep <= 0) - *linep = (sp != 0 && sp->_filtered) ? 1 : WINSIZE_ROWS(size); - if (*colp <= 0) + /* try asking the OS */ + if (isatty(cur_term->Filedes)) { + STRUCT_WINSIZE size; + + errno = 0; + do { + if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) >= 0) { + *linep = ((sp != 0 && sp->_filtered) + ? 1 + : WINSIZE_ROWS(size)); *colp = WINSIZE_COLS(size); - } - /* FALLTHRU */ - failure:; + T(("SYS screen size: environment LINES = %d COLUMNS = %d", + *linep, *colp)); + break; + } + } while + (errno == EINTR); } #endif /* HAVE_SIZECHANGE */ + /* + * Finally, look for environment variables. + * + * Solaris lets users override either dimension with an environment + * variable. + */ + if ((value = _nc_getenv_num("LINES")) > 0) { + *linep = value; + T(("screen size: environment LINES = %d", *linep)); + } + if ((value = _nc_getenv_num("COLUMNS")) > 0) { + *colp = value; + T(("screen size: environment COLUMNS = %d", *colp)); + } + /* if we can't get dynamic info about the size, use static */ if (*linep <= 0) { *linep = (int) lines; @@ -298,19 +368,31 @@ _nc_get_screensize(SCREEN *sp, int *linep, int *colp) TABSIZE = my_tabsize; #endif T(("TABSIZE = %d", TABSIZE)); +#endif /* USE_TERM_DRIVER */ } #if USE_SIZECHANGE NCURSES_EXPORT(void) _nc_update_screensize(SCREEN *sp) { + int new_lines; + int new_cols; + +#ifdef USE_TERM_DRIVER + int old_lines; + int old_cols; + + assert(sp != 0); + + CallDriver_2(sp, getsize, &old_lines, &old_cols); + +#else TERMINAL *termp = cur_term; int old_lines = lines; - int new_lines; int old_cols = columns; - int new_cols; +#endif - _nc_get_screensize(sp, &new_lines, &new_cols); + TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols); /* * See is_term_resized() and resizeterm(). @@ -320,7 +402,7 @@ _nc_update_screensize(SCREEN *sp) if (sp != 0 && sp->_resize != 0) { if ((new_lines != old_lines) || (new_cols != old_cols)) - sp->_resize(new_lines, new_cols); + sp->_resize(NCURSES_SP_ARGx new_lines, new_cols); sp->_sig_winch = FALSE; } } @@ -353,8 +435,8 @@ _nc_update_screensize(SCREEN *sp) * Return 1 if entry found, 0 if not found, -1 if database not accessible, * just like tgetent(). */ -static int -grab_entry(const char *const tn, TERMTYPE *const tp) +int +_nc_setup_tinfo(const char *const tn, TERMTYPE *const tp) { char filename[PATH_MAX]; int status = _nc_read_entry(tn, filename, tp); @@ -381,28 +463,27 @@ grab_entry(const char *const tn, TERMTYPE *const tp) #endif /* -** do_prototype() -** ** Take the real command character out of the CC environment variable ** and substitute it in for the prototype given in 'command_character'. */ -static void -do_prototype(TERMINAL * termp) +void +_nc_tinfo_cmdch(TERMINAL * termp, char proto) { unsigned i; char CC; - char proto; char *tmp; - if ((tmp = getenv("CC")) != 0) { - if ((CC = *tmp) != 0) { - proto = *command_character; - - for_each_string(i, &(termp->type)) { - for (tmp = termp->type.Strings[i]; *tmp; tmp++) { - if (*tmp == proto) - *tmp = CC; - } + /* + * Only use the character if the string is a single character, + * since it is fairly common for developers to set the C compiler + * name as an environment variable - using the same symbol. + */ + if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) { + CC = *tmp; + for_each_string(i, &(termp->type)) { + for (tmp = termp->type.Strings[i]; *tmp; tmp++) { + if (*tmp == proto) + *tmp = CC; } } } @@ -465,39 +546,64 @@ _nc_unicode_locale(void) NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL * termp) { + const char *env_name = "NCURSES_NO_UTF8_ACS"; char *env; + int value; + int result = 0; - if ((env = getenv("NCURSES_NO_UTF8_ACS")) != 0) { - return atoi(env); + if ((env = getenv(env_name)) != 0) { + result = _nc_getenv_num(env_name); + } else if ((value = tigetnum("U8")) >= 0) { + result = value; /* use extension feature */ } else if ((env = getenv("TERM")) != 0) { - if (strstr(env, "linux")) - return 1; /* always broken */ - if (strstr(env, "screen") != 0 - && ((env = getenv("TERMCAP")) != 0 - && strstr(env, "screen") != 0) - && strstr(env, "hhII00") != 0) { + if (strstr(env, "linux")) { + result = 1; /* always broken */ + } else if (strstr(env, "screen") != 0 + && ((env = getenv("TERMCAP")) != 0 + && strstr(env, "screen") != 0) + && strstr(env, "hhII00") != 0) { if (CONTROL_N(enter_alt_charset_mode) || CONTROL_O(enter_alt_charset_mode) || CONTROL_N(set_attributes) || - CONTROL_O(set_attributes)) - return 1; + CONTROL_O(set_attributes)) { + result = 1; + } } } - return 0; + return result; } -/* - * This entrypoint is called from tgetent() to allow a special case of reusing - * the same TERMINAL data (see comment). - */ NCURSES_EXPORT(int) -_nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) +TINFO_SETUP_TERM(TERMINAL ** tp, + NCURSES_CONST char *tname, + int Filedes, + int *errret, + bool reuse) { - TERMINAL *termp; +#ifdef USE_TERM_DRIVER + TERMINAL_CONTROL_BLOCK *TCB = 0; +#else int status; +#endif + TERMINAL *termp; + SCREEN *sp = 0; + int code = ERR; START_TRACE(); - T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, errret)); + +#ifdef USE_TERM_DRIVER + T((T_CALLED("_nc_setupterm_ex(%p,%s,%d,%p)"), + (void *) tp, _nc_visbuf(tname), Filedes, (void *) errret)); + + if (tp == 0) { + ret_error0(TGETENT_ERR, + "Invalid parameter, internal error.\n"); + } else + termp = *tp; +#else + termp = cur_term; + T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, (void *) errret)); +#endif if (tname == 0) { tname = getenv("TERM"); @@ -538,22 +644,37 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) * properly with this feature). */ if (reuse - && (termp = cur_term) != 0 + && (termp != 0) && termp->Filedes == Filedes && termp->_termname != 0 && !strcmp(termp->_termname, tname) && _nc_name_match(termp->type.term_names, tname, "|")) { T(("reusing existing terminal information and mode-settings")); + code = OK; } else { - +#ifdef USE_TERM_DRIVER + termp = (TERMINAL *) typeCalloc(TERMINAL_CONTROL_BLOCK, 1); +#else termp = typeCalloc(TERMINAL, 1); - +#endif if (termp == 0) { ret_error0(TGETENT_ERR, "Not enough memory to create terminal structure.\n"); } +#ifdef USE_TERM_DRIVER + INIT_TERM_DRIVER(); + TCB = (TERMINAL_CONTROL_BLOCK *) termp; + code = _nc_globals.term_driver(TCB, tname, errret); + if (code == OK) { + termp->Filedes = (short) Filedes; + termp->_termname = strdup(tname); + } else { + ret_error0(TGETENT_ERR, + "Could not find any driver to handle this terminal.\n"); + } +#else #if USE_DATABASE || USE_TERMCAP - status = grab_entry(tname, &termp->type); + status = _nc_setup_tinfo(tname, &termp->type); #else status = TGETENT_NO; #endif @@ -581,13 +702,13 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) ttytype[NAMESIZE - 1] = '\0'; #endif - termp->Filedes = Filedes; + termp->Filedes = (short) Filedes; termp->_termname = strdup(tname); set_curterm(termp); - if (command_character && getenv("CC")) - do_prototype(termp); + if (command_character) + _nc_tinfo_cmdch(termp, *command_character); /* * If an application calls setupterm() rather than initscr() or @@ -599,24 +720,94 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse) def_prog_mode(); baudrate(); } + code = OK; +#endif } +#ifdef USE_TERM_DRIVER + *tp = termp; + NCURSES_SP_NAME(set_curterm) (sp, termp); + TCB->drv->init(TCB); +#else + sp = SP; +#endif + /* * We should always check the screensize, just in case. */ - _nc_get_screensize(SP, ptrLines(), ptrCols()); + TINFO_GET_SIZE(sp, termp, ptrLines(sp), ptrCols(sp)); if (errret) *errret = TGETENT_YES; +#ifndef USE_TERM_DRIVER if (generic_type) { ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname); } if (hard_copy) { ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname); } - returnCode(OK); +#endif + returnCode(code); +} + +#if NCURSES_SP_FUNCS +/* + * In case of handling multiple screens, we need to have a screen before + * initialization in setupscreen takes place. This is to extend the substitute + * for some of the stuff in _nc_prescreen, especially for slk and ripoff + * handling which should be done per screen. + */ +NCURSES_EXPORT(SCREEN *) +new_prescr(void) +{ + static SCREEN *sp; + + START_TRACE(); + T((T_CALLED("new_prescr()"))); + + if (sp == 0) { + sp = _nc_alloc_screen_sp(); + if (sp != 0) { + sp->rsp = sp->rippedoff; + sp->_filtered = _nc_prescreen.filter_mode; + sp->_use_env = _nc_prescreen.use_env; +#if NCURSES_NO_PADDING + sp->_no_padding = _nc_prescreen._no_padding; +#endif + sp->slk_format = 0; + sp->_slk = 0; + sp->_prescreen = TRUE; + SP_PRE_INIT(sp); +#if USE_REENTRANT + sp->_TABSIZE = _nc_prescreen._TABSIZE; + sp->_ESCDELAY = _nc_prescreen._ESCDELAY; +#endif + } + } + returnSP(sp); +} +#endif + +#ifdef USE_TERM_DRIVER +/* + * This entrypoint is called from tgetent() to allow a special case of reusing + * the same TERMINAL data (see comment). + */ +NCURSES_EXPORT(int) +_nc_setupterm(NCURSES_CONST char *tname, + int Filedes, + int *errret, + bool reuse) +{ + int res; + TERMINAL *termp; + res = TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse); + if (ERR != res) + NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp); + return res; } +#endif /* * setupterm(termname, Filedes, errret) |