/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2008,2009 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 *
/****************************************************************************
* 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 *
****************************************************************************/
/*
*/
#include <curses.priv.h>
+#include <tic.h>
-#include <term.h> /* cur_term */
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+MODULE_ID("$Id: lib_set_term.c,v 1.128 2009/09/27 14:21:25 tom Exp $")
-MODULE_ID("$Id: lib_set_term.c,v 1.46 1999/07/24 20:05:49 tom Exp $")
+#ifdef USE_TERM_DRIVER
+#define MaxColors InfoOf(sp).maxcolors
+#define NumLabels InfoOf(sp).numlabels
+#else
+#define MaxColors max_colors
+#define NumLabels num_labels
+#endif
-SCREEN * set_term(SCREEN *screenp)
+NCURSES_EXPORT(SCREEN *)
+set_term(SCREEN *screenp)
{
-SCREEN *oldSP;
+ SCREEN *oldSP;
+ SCREEN *newSP;
- T((T_CALLED("set_term(%p)"), screenp));
+ T((T_CALLED("set_term(%p)"), screenp));
- oldSP = SP;
- _nc_set_screen(screenp);
+ _nc_lock_global(curses);
+
+ oldSP = CURRENT_SCREEN;
+ _nc_set_screen(screenp);
+ newSP = screenp;
+
+ if (newSP != 0) {
+ TINFO_SET_CURTERM(newSP, newSP->_term);
+#if !USE_REENTRANT
+ curscr = newSP->_curscr;
+ newscr = newSP->_newscr;
+ stdscr = newSP->_stdscr;
+ COLORS = newSP->_color_count;
+ COLOR_PAIRS = newSP->_pair_count;
+#endif
+ } else {
+ TINFO_SET_CURTERM(oldSP, 0);
+#if !USE_REENTRANT
+ curscr = 0;
+ newscr = 0;
+ stdscr = 0;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+#endif
+ }
- set_curterm(SP->_term);
- 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);
+ _nc_unlock_global(curses);
- T((T_RETURN("%p"), oldSP));
- return(oldSP);
+ T((T_RETURN("%p"), oldSP));
+ return (oldSP);
}
-static void _nc_free_keytry(struct tries *kt)
+static void
+_nc_free_keytry(TRIES * kt)
{
- if (kt != 0) {
- _nc_free_keytry(kt->child);
- _nc_free_keytry(kt->sibling);
- free(kt);
+ if (kt != 0) {
+ _nc_free_keytry(kt->child);
+ _nc_free_keytry(kt->sibling);
+ free(kt);
+ }
+}
+
+static bool
+delink_screen(SCREEN *sp)
+{
+ SCREEN *last = 0;
+ SCREEN *temp;
+ bool result = FALSE;
+
+ for (each_screen(temp)) {
+ if (temp == sp) {
+ if (last)
+ last = sp->_next_screen;
+ else
+ _nc_screen_chain = sp->_next_screen;
+ result = TRUE;
+ break;
}
+ last = temp;
+ }
+ return result;
}
/*
* Free the storage associated with the given SCREEN sp.
*/
-void delscreen(SCREEN *sp)
+NCURSES_EXPORT(void)
+delscreen(SCREEN *sp)
{
- SCREEN **scan = &_nc_screen_chain;
-
- T((T_CALLED("delscreen(%p)"), sp));
+ int i;
+
+ T((T_CALLED("delscreen(%p)"), sp));
+
+ _nc_lock_global(curses);
+ if (delink_screen(sp)) {
+#ifdef USE_SP_RIPOFF
+ ripoff_t *rop;
+ if (safe_ripoff_sp && safe_ripoff_sp != safe_ripoff_stack) {
+ for (rop = safe_ripoff_stack;
+ rop != safe_ripoff_sp && (rop - safe_ripoff_stack) < N_RIPS;
+ rop++) {
+ if (rop->win) {
+ (void) delwin(rop->win);
+ rop->win = 0;
+ }
+ }
+ }
+#endif
- while(*scan)
- {
- if (*scan == sp)
- {
- *scan = sp->_next_screen;
- break;
+ (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);
}
- scan = &(*scan)->_next_screen;
+ free(sp->_slk);
+ sp->_slk = 0;
}
- _nc_freewin(sp->_curscr);
- _nc_freewin(sp->_newscr);
- _nc_freewin(sp->_stdscr);
_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);
- del_curterm(sp->_term);
+ FreeIfNeeded(sp->_acs_map);
+ FreeIfNeeded(sp->_screen_acs_map);
+ /*
+ * If the associated output stream has been closed, we can discard the
+ * set-buffer. Limit the error check to EBADF, since fflush may fail
+ * for other reasons than trying to operate upon a closed stream.
+ */
+ if (sp->_ofp != 0
+ && sp->_setbuf != 0
+ && fflush(sp->_ofp) != 0
+ && errno == EBADF) {
+ free(sp->_setbuf);
+ }
+
+ NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx sp->_term);
free(sp);
/*
* application might try to use (except cur_term, which may have
* multiple references in different screens).
*/
- if (sp == SP) {
- curscr = 0;
- newscr = 0;
- stdscr = 0;
- COLORS = 0;
- COLOR_PAIRS = 0;
- _nc_set_screen(0);
+ if (sp == CURRENT_SCREEN) {
+#if !USE_REENTRANT
+ curscr = 0;
+ newscr = 0;
+ stdscr = 0;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+#endif
+ _nc_set_screen(0);
}
- returnVoid;
+ }
+ _nc_unlock_global(curses);
+
+ returnVoid;
}
-static ripoff_t rippedoff[5];
-static ripoff_t *rsp = rippedoff;
-#define N_RIPS SIZEOF(rippedoff)
+static bool
+no_mouse_event(SCREEN *sp GCC_UNUSED)
+{
+ return FALSE;
+}
-static bool no_mouse_event (SCREEN *sp GCC_UNUSED) { return FALSE; }
-static bool no_mouse_inline(SCREEN *sp GCC_UNUSED) { return FALSE; }
-static bool no_mouse_parse (int code GCC_UNUSED) { return TRUE; }
-static void no_mouse_resume(SCREEN *sp GCC_UNUSED) { }
-static void no_mouse_wrap (SCREEN *sp GCC_UNUSED) { }
+static bool
+no_mouse_inline(SCREEN *sp GCC_UNUSED)
+{
+ return FALSE;
+}
+
+static bool
+no_mouse_parse(SCREEN *sp GCC_UNUSED, int code GCC_UNUSED)
+{
+ return TRUE;
+}
+
+static void
+no_mouse_resume(SCREEN *sp GCC_UNUSED)
+{
+}
+
+static void
+no_mouse_wrap(SCREEN *sp GCC_UNUSED)
+{
+}
+
+#if NCURSES_EXT_FUNCS && USE_COLORFGBG
+static char *
+extract_fgbg(char *src, int *result)
+{
+ char *dst = 0;
+ long value = strtol(src, &dst, 0);
+
+ if (dst == 0) {
+ dst = src;
+ } else if (value >= 0) {
+ *result = value;
+ }
+ while (*dst != 0 && *dst != ';')
+ dst++;
+ if (*dst == ';')
+ dst++;
+ return dst;
+}
+#endif
+
+#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)
+{
+ SCREEN *sp = _nc_alloc_screen_sp();
+ if (sp) {
+ 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
+ }
+ return sp;
+}
+#endif
+
+#define ReturnScreenError() _nc_set_screen(0); \
+ returnCode(ERR)
-int _nc_setupscreen(short slines, short const scolumns, FILE *output)
/* OS-independent screen initializations */
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(_nc_setupscreen) (
+#if NCURSES_SP_FUNCS
+ SCREEN **spp,
+#endif
+ int slines,
+ int scolumns,
+ FILE *output,
+ bool filtered,
+ int slk_format)
{
-int bottom_stolen = 0;
-size_t i;
-
- assert(SP==0); /* has been reset in newterm() ! */
- if (!_nc_alloc_screen())
- return ERR;
-
- SP->_next_screen = _nc_screen_chain;
- _nc_screen_chain = SP;
-
- _nc_set_buffer(output, TRUE);
- SP->_term = cur_term;
- SP->_lines = slines;
- SP->_lines_avail = slines;
- SP->_columns = scolumns;
- SP->_cursrow = -1;
- SP->_curscol = -1;
- SP->_nl = TRUE;
- SP->_raw = FALSE;
- SP->_cbreak = 0;
- SP->_echo = TRUE;
- SP->_fifohead = -1;
- SP->_endwin = TRUE;
- SP->_ofp = output;
- SP->_cursor = -1; /* cannot know real cursor shape */
-#ifdef NCURSES_NO_PADDING
- SP->_no_padding = getenv("NCURSES_NO_PADDING") != 0;
+ char *env;
+ int bottom_stolen = 0;
+ ripoff_t *rop;
+ SCREEN *sp;
+#ifndef USE_TERM_DRIVER
+ bool support_cookies = USE_XMC_SUPPORT;
#endif
- SP->_maxclick = DEFAULT_MAXCLICK;
- SP->_mouse_event = no_mouse_event;
- SP->_mouse_inline = no_mouse_inline;
- SP->_mouse_parse = no_mouse_parse;
- SP->_mouse_resume = no_mouse_resume;
- SP->_mouse_wrap = no_mouse_wrap;
- SP->_mouse_fd = -1;
+ T((T_CALLED("_nc_setupscreen(%d, %d, %p, %d, %d)"),
+ slines, scolumns, output, filtered, slk_format));
- /* initialize the panel hooks */
- SP->_panelHook.top_panel = (struct panel*)0;
- SP->_panelHook.bottom_panel = (struct panel*)0;
- SP->_panelHook.stdscr_pseudo_panel = (struct panel*)0;
+ assert(CURRENT_SCREEN == 0); /* has been reset in newterm() ! */
- /*
- * 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 (magic_cookie_glitch > 0) {
-
- SP->_xmc_triggers = termattrs() & (
- A_ALTCHARSET |
- A_BLINK |
- A_BOLD |
- A_REVERSE |
- A_STANDOUT |
- A_UNDERLINE
- );
- SP->_xmc_suppress = SP->_xmc_triggers & (chtype)~(A_BOLD);
-
- T(("magic cookie attributes %s", _traceattr(SP->_xmc_suppress)));
-#if USE_XMC_SUPPORT
- /*
- * To keep this simple, suppress all of the optimization hooks
- * except for clear_screen and the cursor addressing.
- */
- clr_eol = 0;
- clr_eos = 0;
- set_attributes = 0;
+#if NCURSES_SP_FUNCS
+ assert(spp != 0);
+ sp = *spp;
+
+ if (!sp) {
+ sp = _nc_alloc_screen_sp();
+ *spp = sp;
+ }
+ if (!sp
+ || ((sp->_acs_map = typeCalloc(chtype, ACS_LEN)) == 0)
+ || ((sp->_screen_acs_map = typeCalloc(bool, ACS_LEN)) == 0)) {
+ ReturnScreenError();
+ }
+
+ 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) {
+ ReturnScreenError();
+ }
+#else
+ 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 = SP; /* fixup so SET_LINES and SET_COLS works */
+ sp->_next_screen = _nc_screen_chain;
+ _nc_screen_chain = sp;
+
+ if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0)
+ returnCode(ERR);
+#endif
+
+ /*
+ * We should always check the screensize, just in case.
+ */
+ _nc_set_screen(sp);
+ sp->_term = cur_term;
+#ifdef USE_TERM_DRIVER
+ TCBOf(sp)->csp = sp;
+ _nc_get_screensize(sp, sp->_term, &slines, &scolumns);
#else
- magic_cookie_glitch = -1;
- acs_chars = 0;
+ _nc_get_screensize(sp, &slines, &scolumns);
#endif
- }
- _nc_init_acs();
- memcpy(SP->_acs_map, acs_map, sizeof(chtype)*ACS_LEN);
+ SET_LINES(slines);
+ SET_COLS(scolumns);
- _nc_idcok = TRUE;
- _nc_idlok = FALSE;
+ T((T_CREATE("screen %s %dx%d"),
+ NCURSES_SP_NAME(termname) (NCURSES_SP_ARG), slines, scolumns));
- _nc_windows = 0; /* no windows yet */
+ sp->_filtered = filtered;
- SP->oldhash = 0;
- SP->newhash = 0;
+ /* implement filter mode */
+ if (filtered) {
+ slines = 1;
+ SET_LINES(slines);
+#ifdef USE_TERM_DRIVER
+ CallDriver(sp, setfilter);
+#else
+ clear_screen = 0;
+ cursor_down = parm_down_cursor = 0;
+ cursor_address = 0;
+ cursor_up = parm_up_cursor = 0;
+ row_address = 0;
- T(("creating newscr"));
- if ((newscr = newwin(slines, scolumns, 0, 0)) == 0)
- return ERR;
+ cursor_home = carriage_return;
+#endif
+ T(("filter screensize %dx%d", slines, scolumns));
+ }
+#ifdef __DJGPP__
+ T(("setting output mode to binary"));
+ fflush(output);
+ setmode(output, O_BINARY);
+#endif
+ NCURSES_SP_NAME(_nc_set_buffer) (NCURSES_SP_ARGx output, TRUE);
+ sp->_lines = slines;
+ sp->_lines_avail = slines;
+ sp->_columns = scolumns;
+ sp->_ofp = output;
+ SP_PRE_INIT(sp);
+ SetNoPadding(sp);
+
+#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;
+#else
+ sp->_default_fg = C_MASK;
+ sp->_default_bg = C_MASK;
+#endif
- T(("creating curscr"));
- if ((curscr = newwin(slines, scolumns, 0, 0)) == 0)
- return ERR;
+ /*
+ * Allow those assumed/default color assumptions to be overridden at
+ * runtime:
+ */
+ if ((env = getenv("NCURSES_ASSUMED_COLORS")) != 0) {
+ int fg, bg;
+ char sep1, sep2;
+ int count = sscanf(env, "%d%c%d%c", &fg, &sep1, &bg, &sep2);
+ if (count >= 1) {
+ sp->_default_fg = ((fg >= 0 && fg < MaxColors) ? fg : C_MASK);
+ if (count >= 3) {
+ sp->_default_bg = ((bg >= 0 && bg < MaxColors) ? 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
+ * color to that value plus 8. We'll only use the non-bold color for now -
+ * decide later if it is worth having default attributes as well.
+ */
+ 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 >= MaxColors) {
+ 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 %= MaxColors;
+ }
+ }
+ if (sp->_default_bg >= MaxColors) {
+ 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 %= MaxColors;
+ }
+ }
+ }
+#endif
+#endif /* NCURSES_EXT_FUNCS */
+
+ sp->_maxclick = DEFAULT_MAXCLICK;
+ sp->_mouse_event = no_mouse_event;
+ sp->_mouse_inline = no_mouse_inline;
+ sp->_mouse_parse = no_mouse_parse;
+ sp->_mouse_resume = no_mouse_resume;
+ sp->_mouse_wrap = no_mouse_wrap;
+ sp->_mouse_fd = -1;
+
+ /*
+ * 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 = NCURSES_SP_NAME(termattrs) (NCURSES_SP_ARG);
+ if (NCURSES_SP_NAME(has_colors) (NCURSES_SP_ARG)) {
+ sp->_ok_attributes |= A_COLOR;
+ }
+#ifdef USE_TERM_DRIVER
+ _nc_cookie_init(sp);
+#else
+#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) {
+ if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
+ support_cookies = FALSE;
+ }
+ }
+#endif
- SP->_newscr = newscr;
- SP->_curscr = curscr;
-#if USE_SIZECHANGE
- SP->_resize = resizeterm;
+ 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);
- newscr->_clear = TRUE;
- curscr->_clear = FALSE;
-
- for (i=0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, 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->_lines_avail -= count;
- }
- rsp->line = 0;
+ 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 the cookie support simple, suppress all of the optimization
+ * hooks except for clear_screen and the cursor addressing.
+ */
+ if (support_cookies) {
+ clr_eol = ABSENT_STRING;
+ clr_eos = ABSENT_STRING;
+ set_attributes = ABSENT_STRING;
}
- /* reset the stack */
- rsp = rippedoff;
+#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(sp->_term)) {
+ acs_chars = NULL;
+ ena_acs = NULL;
+ enter_alt_charset_mode = NULL;
+ exit_alt_charset_mode = NULL;
+ set_attributes = NULL;
+ }
+#endif
+#endif
- 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;
+ NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_ARG);
+#if USE_WIDEC_SUPPORT
+ _nc_init_wacs();
- def_shell_mode();
- def_prog_mode();
+ sp->_screen_acs_fix = (_nc_unicode_locale()
+ && _nc_locale_breaks_acs(sp->_term));
+#endif
+ env = _nc_get_locale();
+ sp->_legacy_coding = ((env == 0)
+ || !strcmp(env, "C")
+ || !strcmp(env, "POSIX"));
+ T(("legacy-coding %d", sp->_legacy_coding));
+
+ sp->_nc_sp_idcok = TRUE;
+ sp->_nc_sp_idlok = FALSE;
+
+ sp->oldhash = 0;
+ sp->newhash = 0;
+
+ T(("creating newscr"));
+ sp->_newscr = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx slines, scolumns,
+ 0, 0);
+ if (sp->_newscr == 0) {
+ ReturnScreenError();
+ }
+ T(("creating curscr"));
+ sp->_curscr = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx slines, scolumns,
+ 0, 0);
+ if (sp->_curscr == 0) {
+ ReturnScreenError();
+ }
+#if !USE_REENTRANT
+ newscr = sp->_newscr;
+ curscr = sp->_curscr;
+#endif
+#if USE_SIZECHANGE
+ sp->_resize = NCURSES_SP_NAME(resizeterm);
+#endif
- return OK;
+ sp->_newscr->_clear = TRUE;
+ sp->_curscr->_clear = FALSE;
+
+ NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
+ NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
+
+ if (safe_ripoff_sp && safe_ripoff_sp != safe_ripoff_stack) {
+ for (rop = safe_ripoff_stack;
+ rop != safe_ripoff_sp && (rop - safe_ripoff_stack) < N_RIPS;
+ rop++) {
+
+ /* 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 (rop->hook == _nc_slk_initialize)
+ if (!(NumLabels <= 0 || !SLK_STDFMT(slk_format)))
+ continue;
+ if (rop->hook) {
+ int count;
+ WINDOW *w;
+
+ count = (rop->line < 0) ? -rop->line : rop->line;
+ T(("ripping off %i lines at %s", count,
+ ((rop->line < 0)
+ ? "bottom"
+ : "top")));
+
+ w = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
+ count, scolumns,
+ ((rop->line < 0)
+ ? sp->_lines_avail - count
+ : 0),
+ 0);
+ if (w) {
+ rop->win = w;
+ rop->hook(w, scolumns);
+ } else {
+ ReturnScreenError();
+ }
+ if (rop->line < 0)
+ bottom_stolen += count;
+ else
+ sp->_topstolen += count;
+ sp->_lines_avail -= count;
+ }
+ }
+ /* reset the stack */
+ safe_ripoff_sp = safe_ripoff_stack;
+ }
+
+ T(("creating stdscr"));
+ assert((sp->_lines_avail + sp->_topstolen + bottom_stolen) == slines);
+ if ((sp->_stdscr = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
+ sp->_lines_avail,
+ scolumns, 0, 0)) == 0) {
+ ReturnScreenError();
+ }
+ SET_LINES(sp->_lines_avail);
+#if !USE_REENTRANT
+ stdscr = sp->_stdscr;
+#endif
+ sp->_prescreen = FALSE;
+ returnCode(OK);
}
-/* The internal implementation interprets line as the number of
- lines to rip off from the top or bottom.
- */
-int
-_nc_ripoffline(int line, int (*init)(WINDOW *,int))
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+_nc_setupscreen(int slines GCC_UNUSED,
+ int scolumns GCC_UNUSED,
+ FILE *output,
+ bool filtered,
+ int slk_format)
{
- if (line == 0)
- return(OK);
-
- if (rsp >= rippedoff + N_RIPS)
- return(ERR);
+ SCREEN *sp = 0;
+ int rc = NCURSES_SP_NAME(_nc_setupscreen) (&sp,
+ slines,
+ scolumns,
+ output,
+ filtered,
+ slk_format);
+ if (rc != OK)
+ _nc_set_screen(0);
+ return rc;
+}
+#endif
- rsp->line = line;
- rsp->hook = init;
- rsp->w = 0;
- rsp++;
+/*
+ * The internal implementation interprets line as the number of lines to rip
+ * off from the top or bottom.
+ */
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
+ int line,
+ int (*init) (WINDOW *, int))
+{
+ int code = ERR;
+
+ START_TRACE();
+ T((T_CALLED("ripoffline(%p,%d,%p)"), SP_PARM, line, init));
+
+ if (SP_PARM != 0 && SP_PARM->_prescreen) {
+ if (line == 0) {
+ code = OK;
+ } else {
+ if (safe_ripoff_sp == 0)
+ safe_ripoff_sp = safe_ripoff_stack;
+ if (safe_ripoff_sp < safe_ripoff_stack + N_RIPS) {
+ safe_ripoff_sp->line = line;
+ safe_ripoff_sp->hook = init;
+ (safe_ripoff_sp)++;
+ code = OK;
+ }
+ }
+ }
- return(OK);
+ returnCode(code);
}
-int
-ripoffline(int line, int (*init)(WINDOW *, int))
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+_nc_ripoffline(int line, int (*init) (WINDOW *, int))
{
- T((T_CALLED("ripoffline(%d,%p)"), line, init));
+ return NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init);
+}
+#endif
- if (line == 0)
- returnCode(OK);
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(ripoffline) (NCURSES_SP_DCLx
+ int line,
+ int (*init) (WINDOW *, int))
+{
+ return NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_ARGx
+ (line < 0) ? -1 : 1,
+ init);
+}
- returnCode(_nc_ripoffline ((line<0) ? -1 : 1, init));
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+ripoffline(int line, int (*init) (WINDOW *, int))
+{
+ return NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init);
}
+#endif
projects / ncurses.git / blobdiff