X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_set_term.c;h=426383046c87f443061200228917480a56d3bf23;hp=b4d547fcf514ec6471f475351157e4cef0920196;hb=2639531af0c3ca25b48e7bcb9c790fa566cc5892;hpb=b1f61d9f3aa244512045a6b02e759825d7049d34 diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c index b4d547fc..42638304 100644 --- a/ncurses/base/lib_set_term.c +++ b/ncurses/base/lib_set_term.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998,1999,2000 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 1.55 2000/07/02 00:22:18 tom Exp $") +MODULE_ID("$Id: lib_set_term.c,v 1.95 2007/03/10 23:52:01 tom Exp $") -SCREEN * -set_term(SCREEN * screenp) +NCURSES_EXPORT(SCREEN *) +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(chtype) * 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); @@ -80,10 +82,11 @@ _nc_free_keytry(struct tries *kt) /* * Free the storage associated with the given SCREEN sp. */ -void -delscreen(SCREEN * sp) +NCURSES_EXPORT(void) +delscreen(SCREEN *sp) { SCREEN **scan = &_nc_screen_chain; + int i; T((T_CALLED("delscreen(%p)"), sp)); @@ -95,17 +98,39 @@ delscreen(SCREEN * sp) scan = &(*scan)->_next_screen; } - _nc_freewin(sp->_curscr); - _nc_freewin(sp->_newscr); - _nc_freewin(sp->_stdscr); + (void) _nc_freewin(sp->_curscr); + (void) _nc_freewin(sp->_newscr); + (void) _nc_freewin(sp->_stdscr); + + if (sp->_slk != 0) { + 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; + } + _nc_free_keytry(sp->_keytry); + sp->_keytry = 0; + _nc_free_keytry(sp->_key_ok); + sp->_key_ok = 0; + + FreeIfNeeded(sp->_current_attr); FreeIfNeeded(sp->_color_table); FreeIfNeeded(sp->_color_pairs); FreeIfNeeded(sp->oldhash); FreeIfNeeded(sp->newhash); + FreeIfNeeded(sp->hashtab); + + FreeIfNeeded(sp->_acs_map); + FreeIfNeeded(sp->_screen_acs_map); del_curterm(sp->_term); @@ -129,11 +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; @@ -141,16 +168,16 @@ delscreen(SCREEN * sp) static ripoff_t rippedoff[5]; static ripoff_t *rsp = rippedoff; -#define N_RIPS SIZEOF(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; } @@ -162,16 +189,16 @@ 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) { } -#if defined(NCURSES_EXT_FUNCS) && defined(USE_COLORFGBG) +#if NCURSES_EXT_FUNCS && USE_COLORFGBG static char * extract_fgbg(char *src, int *result) { @@ -181,7 +208,7 @@ extract_fgbg(char *src, int *result) if (dst == 0) { dst = src; } else if (value >= 0) { - *result = value % max_colors; + *result = value; } while (*dst != 0 && *dst != ';') dst++; @@ -191,20 +218,75 @@ extract_fgbg(char *src, int *result) } #endif -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)); assert(SP == 0); /* has been reset in newterm() ! */ - if (!_nc_alloc_screen()) - return ERR; + 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; @@ -220,17 +302,65 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) SP->_endwin = TRUE; SP->_ofp = output; SP->_cursor = -1; /* cannot know real cursor shape */ -#ifdef NCURSES_NO_PADDING + +#if NCURSES_NO_PADDING SP->_no_padding = getenv("NCURSES_NO_PADDING") != 0; TR(TRACE_CHARPUT | TRACE_MOVE, ("padding will%s be used", - SP->_no_padding ? " not" : "")); + SP->_no_padding ? " not" : "")); #endif -#ifdef NCURSES_EXT_FUNCS + +#if NCURSES_EXT_FUNCS SP->_default_color = FALSE; SP->_has_sgr_39_49 = FALSE; + + /* + * Set our assumption of the terminal's default foreground and background + * colors. The curs_color man-page states that we can assume that the + * background is black. The origin of this assumption appears to be + * terminals that displayed colored text, but no colored backgrounds, e.g., + * the first colored terminals around 1980. More recent ones with better + * technology can display not only colored backgrounds, but all + * combinations. So a terminal might be something other than "white" on + * black (green/black looks monochrome too), but black on white or even + * on ivory. + * + * White-on-black is the simplest thing to use for monochrome. Almost + * all applications that use color paint both text and background, so + * the distinction is moot. But a few do not - which is why we leave this + * configurable (a better solution is to use assume_default_colors() for + * the rare applications that do require that sort of appearance, since + * is appears that more users expect to be able to make a white-on-black + * or black-on-white display under control of the application than not). + */ +#ifdef USE_ASSUMED_COLOR SP->_default_fg = COLOR_WHITE; SP->_default_bg = COLOR_BLACK; -#ifdef USE_COLORFGBG +#else + SP->_default_fg = C_MASK; + SP->_default_bg = C_MASK; +#endif + + /* + * Allow those assumed/default color assumptions to be overridden at + * runtime: + */ + if (getenv("NCURSES_ASSUMED_COLORS") != 0) { + char *p = getenv("NCURSES_ASSUMED_COLORS"); + int fg, bg; + char sep1, sep2; + int count = sscanf(p, "%d%c%d%c", &fg, &sep1, &bg, &sep2); + if (count >= 1) { + SP->_default_fg = (fg >= 0 && fg < max_colors) ? fg : C_MASK; + if (count >= 3) { + SP->_default_bg = (bg >= 0 && bg < max_colors) ? bg : C_MASK; + } + TR(TRACE_CHARPUT | TRACE_MOVE, + ("from environment assumed fg=%d, bg=%d", + SP->_default_fg, + SP->_default_bg)); + } + } +#if USE_COLORFGBG /* * If rxvt's $COLORFGBG variable is set, use it to specify the assumed * default colors. Note that rxvt (mis)uses bold colors, equating a bold @@ -239,8 +369,29 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) */ if (getenv("COLORFGBG") != 0) { char *p = getenv("COLORFGBG"); + TR(TRACE_CHARPUT | TRACE_MOVE, ("decoding COLORFGBG %s", p)); p = extract_fgbg(p, &(SP->_default_fg)); p = extract_fgbg(p, &(SP->_default_bg)); + if (*p) /* assume rxvt was compiled with xpm support */ + p = extract_fgbg(p, &(SP->_default_bg)); + TR(TRACE_CHARPUT | TRACE_MOVE, ("decoded fg=%d, bg=%d", + SP->_default_fg, SP->_default_bg)); + if (SP->_default_fg >= max_colors) { + if (set_a_foreground != ABSENT_STRING + && !strcmp(set_a_foreground, "\033[3%p1%dm")) { + set_a_foreground = "\033[3%?%p1%{8}%>%t9%e%p1%d%;m"; + } else { + SP->_default_fg %= max_colors; + } + } + if (SP->_default_bg >= max_colors) { + if (set_a_background != ABSENT_STRING + && !strcmp(set_a_background, "\033[4%p1%dm")) { + set_a_background = "\033[4%?%p1%{8}%>%t9%e%p1%d%;m"; + } else { + SP->_default_bg %= max_colors; + } + } } #endif #endif /* NCURSES_EXT_FUNCS */ @@ -259,39 +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 ); - SP->_xmc_suppress = SP->_xmc_triggers & (chtype) ~ (A_BOLD); +#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(); - memcpy(SP->_acs_map, acs_map, sizeof(chtype) * ACS_LEN); +#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 _nc_idcok = TRUE; _nc_idlok = FALSE; @@ -302,15 +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) - return ERR; + if ((SP->_newscr = newwin(slines, scolumns, 0, 0)) == 0) + returnCode(ERR); T(("creating curscr")); - if ((curscr = newwin(slines, scolumns, 0, 0)) == 0) - return ERR; + 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 @@ -318,68 +545,74 @@ _nc_setupscreen(short slines, short const scolumns, FILE * output) newscr->_clear = TRUE; curscr->_clear = FALSE; - for (i = 0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, i++) { + def_shell_mode(); + def_prog_mode(); + + 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) { - WINDOW *w; int count = (rsp->line < 0) ? -rsp->line : rsp->line; - if (rsp->line < 0) { - w = newwin(count, scolumns, SP->_lines_avail - count, 0); - if (w) { - rsp->w = w; - rsp->hook(w, scolumns); - bottom_stolen += count; - } else - return ERR; - } else { - w = newwin(count, scolumns, 0, 0); - if (w) { - rsp->w = w; - rsp->hook(w, scolumns); - SP->_topstolen += count; - } else - return ERR; - } + SP->_rippedoff[i].w = newwin(count, + scolumns, + ((rsp->line < 0) + ? SP->_lines_avail - count + : 0), + 0); + if (SP->_rippedoff[i].w != 0) + SP->_rippedoff[i].hook(SP->_rippedoff[i].w, scolumns); + else + returnCode(ERR); + if (rsp->line < 0) + bottom_stolen += count; + else + SP->_topstolen += count; SP->_lines_avail -= count; } rsp->line = 0; } + SP->_rip_count = i; /* reset the stack */ rsp = rippedoff; T(("creating stdscr")); assert((SP->_lines_avail + SP->_topstolen + bottom_stolen) == slines); - if ((stdscr = newwin(LINES = SP->_lines_avail, scolumns, 0, 0)) == 0) - return ERR; - SP->_stdscr = stdscr; + if ((SP->_stdscr = newwin(SP->_lines_avail, scolumns, 0, 0)) == 0) + returnCode(ERR); - def_shell_mode(); - def_prog_mode(); + SET_LINES(SP->_lines_avail); +#if !USE_REENTRANT + stdscr = SP->_stdscr; +#endif - return OK; + returnCode(OK); } -/* The internal implementation interprets line as the number of - lines to rip off from the top or bottom. - */ -int +/* + * 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)) { - if (line == 0) - return (OK); + T((T_CALLED("_nc_ripoffline(%d, %p)"), line, init)); - if (rsp >= rippedoff + N_RIPS) - return (ERR); + if (line != 0) { - rsp->line = line; - rsp->hook = init; - rsp->w = 0; - rsp++; + if (rsp >= rippedoff + N_RIPS) + returnCode(ERR); + + rsp->line = line; + rsp->hook = init; + rsp->w = 0; + rsp++; + } - return (OK); + returnCode(OK); } -int +NCURSES_EXPORT(int) ripoffline(int line, int (*init) (WINDOW *, int)) { T((T_CALLED("ripoffline(%d,%p)"), line, init));