X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_set_term.c;h=426383046c87f443061200228917480a56d3bf23;hp=ac24ce07878ac3dd876196b222371f70f394ec1b;hb=2639531af0c3ca25b48e7bcb9c790fa566cc5892;hpb=46722468f47c2b77b3987729b4bcf2321cccfd01 diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c index ac24ce07..42638304 100644 --- a/ncurses/base/lib_set_term.c +++ b/ncurses/base/lib_set_term.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. * + * Copyright (c) 1998-2006,2007 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 * @@ -29,6 +29,7 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * + * and: Thomas E. Dickey 1996-on * ****************************************************************************/ /* @@ -43,10 +44,10 @@ #include /* cur_term */ #include -MODULE_ID("$Id: lib_set_term.c,v 1.71 2002/09/14 22:48:00 tom Exp $") +MODULE_ID("$Id: lib_set_term.c,v 1.95 2007/03/10 23:52:01 tom Exp $") NCURSES_EXPORT(SCREEN *) -set_term(SCREEN * screenp) +set_term(SCREEN *screenp) { SCREEN *oldSP; @@ -56,19 +57,20 @@ set_term(SCREEN * screenp) _nc_set_screen(screenp); set_curterm(SP->_term); +#if !USE_REENTRANT curscr = SP->_curscr; newscr = SP->_newscr; stdscr = SP->_stdscr; COLORS = SP->_color_count; COLOR_PAIRS = SP->_pair_count; - memcpy(acs_map, SP->_acs_map, sizeof(SP->_acs_map[0]) * ACS_LEN); +#endif T((T_RETURN("%p"), oldSP)); return (oldSP); } static void -_nc_free_keytry(struct tries *kt) +_nc_free_keytry(TRIES * kt) { if (kt != 0) { _nc_free_keytry(kt->child); @@ -81,9 +83,10 @@ _nc_free_keytry(struct tries *kt) * Free the storage associated with the given SCREEN sp. */ NCURSES_EXPORT(void) -delscreen(SCREEN * sp) +delscreen(SCREEN *sp) { SCREEN **scan = &_nc_screen_chain; + int i; T((T_CALLED("delscreen(%p)"), sp)); @@ -100,8 +103,13 @@ delscreen(SCREEN * sp) (void) _nc_freewin(sp->_stdscr); if (sp->_slk != 0) { - FreeIfNeeded(sp->_slk->ent); - FreeIfNeeded(sp->_slk->buffer); + if (sp->_slk->ent != 0) { + for (i = 0; i < sp->_slk->labcnt; ++i) { + FreeIfNeeded(sp->_slk->ent[i].ent_text); + FreeIfNeeded(sp->_slk->ent[i].form_text); + } + free(sp->_slk->ent); + } free(sp->_slk); sp->_slk = 0; } @@ -112,6 +120,8 @@ delscreen(SCREEN * sp) _nc_free_keytry(sp->_key_ok); sp->_key_ok = 0; + FreeIfNeeded(sp->_current_attr); + FreeIfNeeded(sp->_color_table); FreeIfNeeded(sp->_color_pairs); @@ -119,6 +129,9 @@ delscreen(SCREEN * sp) FreeIfNeeded(sp->newhash); FreeIfNeeded(sp->hashtab); + FreeIfNeeded(sp->_acs_map); + FreeIfNeeded(sp->_screen_acs_map); + del_curterm(sp->_term); /* @@ -141,11 +154,13 @@ delscreen(SCREEN * sp) * multiple references in different screens). */ if (sp == SP) { +#if !USE_REENTRANT curscr = 0; newscr = 0; stdscr = 0; COLORS = 0; COLOR_PAIRS = 0; +#endif _nc_set_screen(0); } returnVoid; @@ -156,13 +171,13 @@ static ripoff_t *rsp = rippedoff; #define N_RIPS SIZEOF(SP->_rippedoff) static bool -no_mouse_event(SCREEN * sp GCC_UNUSED) +no_mouse_event(SCREEN *sp GCC_UNUSED) { return FALSE; } static bool -no_mouse_inline(SCREEN * sp GCC_UNUSED) +no_mouse_inline(SCREEN *sp GCC_UNUSED) { return FALSE; } @@ -174,12 +189,12 @@ no_mouse_parse(int code GCC_UNUSED) } static void -no_mouse_resume(SCREEN * sp GCC_UNUSED) +no_mouse_resume(SCREEN *sp GCC_UNUSED) { } static void -no_mouse_wrap(SCREEN * sp GCC_UNUSED) +no_mouse_wrap(SCREEN *sp GCC_UNUSED) { } @@ -203,21 +218,75 @@ extract_fgbg(char *src, int *result) } #endif -NCURSES_EXPORT(int) -_nc_setupscreen(short slines, short const scolumns, FILE * output) /* OS-independent screen initializations */ +NCURSES_EXPORT(int) +_nc_setupscreen(int slines GCC_UNUSED, + int scolumns GCC_UNUSED, + FILE *output, + bool filtered, + int slk_format) { int bottom_stolen = 0; - size_t i; + int i; + bool support_cookies = USE_XMC_SUPPORT; + + T((T_CALLED("_nc_setupscreen(%d, %d, %p, %d, %d)"), + slines, scolumns, output, filtered, slk_format)); - T((T_CALLED("_nc_setupscreen(%d, %d, %p)"), slines, scolumns, output)); assert(SP == 0); /* has been reset in newterm() ! */ - if (!_nc_alloc_screen()) + if (!_nc_alloc_screen() + || ((SP->_acs_map = typeCalloc(chtype, ACS_LEN)) == 0) + || ((SP->_screen_acs_map = typeCalloc(bool, ACS_LEN)) == 0)) { returnCode(ERR); + } + T(("created SP %p", SP)); SP->_next_screen = _nc_screen_chain; _nc_screen_chain = SP; + if ((SP->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0) + returnCode(ERR); + + /* + * We should always check the screensize, just in case. + */ + _nc_get_screensize(&slines, &scolumns); + SET_LINES(slines); + SET_COLS(scolumns); + T((T_CREATE("screen %s %dx%d"), termname(), LINES, COLS)); + + SP->_filtered = filtered; + + /* implement filter mode */ + if (filtered) { + slines = 1; + SET_LINES(slines); + 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; + T(("filter screensize %dx%d", LINES, COLS)); + } + + /* 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)) + returnCode(ERR); + } + } +#ifdef __DJGPP__ + T(("setting output mode to binary")); + fflush(output); + setmode(output, O_BINARY); +#endif _nc_set_buffer(output, TRUE); SP->_term = cur_term; SP->_lines = slines; @@ -341,44 +410,113 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) SP->_panelHook.stdscr_pseudo_panel = (struct panel *) 0; /* - * If we've no magic cookie support, we suppress attributes that xmc - * would affect, i.e., the attributes that affect the rendition of a - * space. Note that this impacts the alternate character set mapping - * as well. + * If we've no magic cookie support, we suppress attributes that xmc would + * affect, i.e., the attributes that affect the rendition of a space. + */ + SP->_ok_attributes = termattrs(); + if (has_colors()) { + SP->_ok_attributes |= A_COLOR; + } +#if USE_XMC_SUPPORT + /* + * If we have no magic-cookie support compiled-in, or if it is suppressed + * in the environment, reset the support-flag. */ - if (magic_cookie_glitch > 0) { - - SP->_xmc_triggers = termattrs() & ( - A_ALTCHARSET | - A_BLINK | - A_BOLD | - A_REVERSE | - A_STANDOUT | - A_UNDERLINE + if (magic_cookie_glitch >= 0) { + if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) { + support_cookies = FALSE; + } + } +#endif + + if (!support_cookies && magic_cookie_glitch >= 0) { + T(("will disable attributes to work w/o magic cookies")); + } + + if (magic_cookie_glitch > 0) { /* tvi, wyse */ + + SP->_xmc_triggers = SP->_ok_attributes & ( + A_STANDOUT | + A_UNDERLINE | + A_REVERSE | + A_BLINK | + A_DIM | + A_BOLD | + A_INVIS | + A_PROTECT ); +#if 0 + /* + * We "should" treat colors as an attribute. The wyse350 (and its + * clones) appear to be the only ones that have both colors and magic + * cookies. + */ + if (has_colors()) { + SP->_xmc_triggers |= A_COLOR; + } +#endif SP->_xmc_suppress = SP->_xmc_triggers & (chtype) ~(A_BOLD); T(("magic cookie attributes %s", _traceattr(SP->_xmc_suppress))); + /* + * Supporting line-drawing may be possible. But make the regular + * video attributes work first. + */ + acs_chars = ABSENT_STRING; + ena_acs = ABSENT_STRING; + enter_alt_charset_mode = ABSENT_STRING; + exit_alt_charset_mode = ABSENT_STRING; #if USE_XMC_SUPPORT /* - * To keep this simple, suppress all of the optimization hooks - * except for clear_screen and the cursor addressing. + * To keep the cookie support simple, suppress all of the optimization + * hooks except for clear_screen and the cursor addressing. */ - clr_eol = 0; - clr_eos = 0; - set_attributes = 0; -#else - magic_cookie_glitch = ABSENT_NUMERIC; - acs_chars = 0; + if (support_cookies) { + clr_eol = ABSENT_STRING; + clr_eos = ABSENT_STRING; + set_attributes = ABSENT_STRING; + } #endif + } else if (magic_cookie_glitch == 0) { /* hpterm */ + } + + /* + * If magic cookies are not supported, cancel the strings that set + * video attributes. + */ + if (!support_cookies && magic_cookie_glitch >= 0) { + magic_cookie_glitch = ABSENT_NUMERIC; + set_attributes = ABSENT_STRING; + enter_blink_mode = ABSENT_STRING; + enter_bold_mode = ABSENT_STRING; + enter_dim_mode = ABSENT_STRING; + enter_reverse_mode = ABSENT_STRING; + enter_standout_mode = ABSENT_STRING; + enter_underline_mode = ABSENT_STRING; } /* initialize normal acs before wide, since we use mapping in the latter */ +#if !USE_WIDEC_SUPPORT + if (_nc_unicode_locale() && _nc_locale_breaks_acs()) { + acs_chars = NULL; + ena_acs = NULL; + enter_alt_charset_mode = NULL; + exit_alt_charset_mode = NULL; + set_attributes = NULL; + } +#endif _nc_init_acs(); #if USE_WIDEC_SUPPORT _nc_init_wacs(); + + SP->_screen_acs_fix = (_nc_unicode_locale() && _nc_locale_breaks_acs()); + { + char *env = _nc_get_locale(); + SP->_legacy_coding = ((env == 0) + || !strcmp(env, "C") + || !strcmp(env, "POSIX")); + } #endif - memcpy(SP->_acs_map, acs_map, sizeof(chtype) * ACS_LEN); _nc_idcok = TRUE; _nc_idlok = FALSE; @@ -389,15 +527,17 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) SP->newhash = 0; T(("creating newscr")); - if ((newscr = newwin(slines, scolumns, 0, 0)) == 0) + if ((SP->_newscr = newwin(slines, scolumns, 0, 0)) == 0) returnCode(ERR); T(("creating curscr")); - if ((curscr = newwin(slines, scolumns, 0, 0)) == 0) + if ((SP->_curscr = newwin(slines, scolumns, 0, 0)) == 0) returnCode(ERR); - SP->_newscr = newscr; - SP->_curscr = curscr; +#if !USE_REENTRANT + newscr = SP->_newscr; + curscr = SP->_curscr; +#endif #if USE_SIZECHANGE SP->_resize = resizeterm; #endif @@ -408,7 +548,7 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) def_shell_mode(); def_prog_mode(); - for (i = 0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, i++) { + for (i = 0, rsp = rippedoff; rsp->line && (i < (int) N_RIPS); rsp++, i++) { T(("ripping off line %d at %s", i, rsp->line < 0 ? "bottom" : "top")); SP->_rippedoff[i] = rippedoff[i]; if (rsp->hook) { @@ -438,16 +578,21 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) T(("creating stdscr")); assert((SP->_lines_avail + SP->_topstolen + bottom_stolen) == slines); - if ((stdscr = newwin(LINES = SP->_lines_avail, scolumns, 0, 0)) == 0) + if ((SP->_stdscr = newwin(SP->_lines_avail, scolumns, 0, 0)) == 0) returnCode(ERR); - SP->_stdscr = stdscr; + + SET_LINES(SP->_lines_avail); +#if !USE_REENTRANT + stdscr = SP->_stdscr; +#endif returnCode(OK); } -/* The internal implementation interprets line as the number of - lines to rip off from the top or bottom. - */ +/* + * The internal implementation interprets line as the number of lines to rip + * off from the top or bottom. + */ NCURSES_EXPORT(int) _nc_ripoffline(int line, int (*init) (WINDOW *, int)) {