1 /****************************************************************************
2 * Copyright (c) 2008-2011,2012 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Juergen Pfeifer *
32 ****************************************************************************/
34 #include <curses.priv.h>
35 #define CUR ((TERMINAL*)TCB)->type.
41 #include <sys/time.h> /* needed for MacOS X DP3 */
46 # if !defined(sun) || !TERMIOS
48 # include <sys/ioctl.h>
53 MODULE_ID("$Id: tinfo_driver.c,v 1.18 2012/02/18 20:34:55 tom Exp $")
56 * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
57 * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
60 # define IOCTL_WINSIZE TIOCGSIZE
61 # define STRUCT_WINSIZE struct ttysize
62 # define WINSIZE_ROWS(n) (int)n.ts_lines
63 # define WINSIZE_COLS(n) (int)n.ts_cols
66 # define IOCTL_WINSIZE TIOCGWINSZ
67 # define STRUCT_WINSIZE struct winsize
68 # define WINSIZE_ROWS(n) (int)n.ws_row
69 # define WINSIZE_COLS(n) (int)n.ws_col
74 * These should be screen structure members. They need to be globals for
75 * historical reasons. So we assign them in start_color() and also in
76 * set_term()'s screen-switching logic.
80 NCURSES_PUBLIC_VAR(COLOR_PAIRS) (void)
82 return CURRENT_SCREEN ? CURRENT_SCREEN->_pair_count : -1;
85 NCURSES_PUBLIC_VAR(COLORS) (void)
87 return CURRENT_SCREEN ? CURRENT_SCREEN->_color_count : -1;
90 NCURSES_EXPORT_VAR(int) COLOR_PAIRS = 0;
91 NCURSES_EXPORT_VAR(int) COLORS = 0;
94 #define TCBMAGIC NCDRV_MAGIC(NCDRV_TINFO)
95 #define AssertTCB() assert(TCB!=0 && TCB->magic==TCBMAGIC)
96 #define SetSP() assert(TCB->csp!=0); sp = TCB->csp; (void) sp
99 * This routine needs to do all the work to make curscr look
103 drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
106 return TINFO_DOUPDATE(TCB->csp);
110 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
117 assert(TCB != 0 && tname != 0);
118 termp = (TERMINAL *) TCB;
120 TCB->magic = TCBMAGIC;
122 #if (USE_DATABASE || USE_TERMCAP)
123 status = _nc_setup_tinfo(tname, &termp->type);
128 /* try fallback list if entry on disk */
129 if (status != TGETENT_YES) {
130 const TERMTYPE *fallback = _nc_fallback(tname);
133 termp->type = *fallback;
134 status = TGETENT_YES;
138 if (status != TGETENT_YES) {
139 NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx termp);
140 if (status == TGETENT_ERR) {
141 ret_error0(status, "terminals database is inaccessible\n");
142 } else if (status == TGETENT_NO) {
143 ret_error1(status, "unknown terminal type.\n", tname);
148 strncpy(ttytype, termp->type.term_names, (size_t) NAMESIZE - 1);
149 ttytype[NAMESIZE - 1] = '\0';
152 if (command_character)
153 _nc_tinfo_cmdch(termp, *command_character);
157 * BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
158 * check before giving up.
160 if ((VALID_STRING(cursor_address)
161 || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
162 && VALID_STRING(clear_screen)) {
163 ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
165 ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
169 ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
176 drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, int beepFlag)
184 /* FIXME: should make sure that we are not in altchar mode */
187 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "bell", bell);
188 NCURSES_SP_NAME(_nc_flush) (sp);
189 } else if (flash_screen) {
190 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
193 NCURSES_SP_NAME(_nc_flush) (sp);
197 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
200 NCURSES_SP_NAME(_nc_flush) (sp);
202 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "bell", bell);
203 NCURSES_SP_NAME(_nc_flush) (sp);
210 * SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
211 * to maintain compatibility with a pre-ANSI scheme. The same scheme is
212 * also used in the FreeBSD syscons.
215 toggled_colors(int c)
218 static const int table[] =
219 {0, 4, 2, 6, 1, 5, 3, 7,
220 8, 12, 10, 14, 9, 13, 11, 15};
227 drv_print(TERMINAL_CONTROL_BLOCK * TCB, char *data, int len)
233 #if NCURSES_EXT_FUNCS
234 return NCURSES_SP_NAME(mcprint) (TCB->csp, data, len);
241 drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
249 if (sp != 0 && orig_pair && orig_colors && (initialize_pair != 0)) {
250 #if NCURSES_EXT_FUNCS
251 sp->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
252 sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
255 sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
256 sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
257 if (sp->_color_pairs != 0) {
258 bool save = sp->_default_color;
259 sp->_default_color = TRUE;
260 NCURSES_SP_NAME(init_pair) (NCURSES_SP_ARGx
264 sp->_default_color = save;
273 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
276 NCURSES_SP_OUTC outc)
284 if (set_a_foreground) {
285 TPUTS_TRACE("set_a_foreground");
286 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
287 TPARM_1(set_a_foreground, color), 1, outc);
289 TPUTS_TRACE("set_foreground");
290 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
291 TPARM_1(set_foreground,
292 toggled_colors(color)), 1, outc);
295 if (set_a_background) {
296 TPUTS_TRACE("set_a_background");
297 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
298 TPARM_1(set_a_background, color), 1, outc);
300 TPUTS_TRACE("set_background");
301 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
302 TPARM_1(set_background,
303 toggled_colors(color)), 1, outc);
309 drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
317 if (orig_pair != 0) {
318 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "orig_pair", orig_pair);
325 drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
333 if (orig_colors != 0) {
334 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "orig_colors", orig_colors);
341 drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
347 sp = TCB->csp; /* can be null here */
350 useEnv = sp->_use_env;
352 useEnv = _nc_prescreen.use_env;
354 /* figure out the size of the screen */
355 T(("screen size: terminfo lines = %d columns = %d", lines, columns));
357 *linep = (int) lines;
358 *colp = (int) columns;
366 _scrsize(screendata);
367 *colp = screendata[0];
368 *linep = screendata[1];
369 T(("EMX screen size: environment LINES = %d COLUMNS = %d",
374 /* try asking the OS */
376 TERMINAL *termp = (TERMINAL *) TCB;
377 if (isatty(termp->Filedes)) {
382 if (ioctl(termp->Filedes, IOCTL_WINSIZE, &size) >= 0) {
383 *linep = ((sp != 0 && sp->_filtered)
385 : WINSIZE_ROWS(size));
386 *colp = WINSIZE_COLS(size);
387 T(("SYS screen size: environment LINES = %d COLUMNS = %d",
395 #endif /* HAVE_SIZECHANGE */
398 * Finally, look for environment variables.
400 * Solaris lets users override either dimension with an environment
403 if ((value = _nc_getenv_num("LINES")) > 0) {
405 T(("screen size: environment LINES = %d", *linep));
407 if ((value = _nc_getenv_num("COLUMNS")) > 0) {
409 T(("screen size: environment COLUMNS = %d", *colp));
412 /* if we can't get dynamic info about the size, use static */
414 *linep = (int) lines;
417 *colp = (int) columns;
420 /* the ultimate fallback, assume fixed 24x80 size */
429 * Put the derived values back in the screen-size caps, so
430 * tigetnum() and tgetnum() will do the right thing.
432 lines = (short) (*linep);
433 columns = (short) (*colp);
436 T(("screen size is %dx%d", *linep, *colp));
441 drv_getsize(TERMINAL_CONTROL_BLOCK * TCB, int *l, int *c)
444 assert(l != 0 && c != 0);
451 drv_setsize(TERMINAL_CONTROL_BLOCK * TCB, int l, int c)
460 drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
462 SCREEN *sp = TCB->csp;
463 TERMINAL *_term = (TERMINAL *) TCB;
469 if (SET_TTY(_term->Filedes, buf) != 0) {
472 if (errno == ENOTTY) {
482 if (GET_TTY(_term->Filedes, buf) != 0) {
494 drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
497 TERMINAL *_term = (TERMINAL *) TCB;
503 if (progFlag) /* prog mode */
508 * Turn off the XTABS bit in the tty structure if it was on.
510 if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
512 _term->Nttyb.c_oflag &= (unsigned) ~OFLAGS_TABS;
514 _term->Nttyb.sg_flags &= (unsigned) ~XTABS;
519 /* reset_prog_mode */
520 if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
523 _nc_keypad(sp, TRUE);
524 NC_BUFFERED(sp, TRUE);
529 } else { /* shell mode */
533 * If XTABS was on, remove the tab and backtab capabilities.
535 if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
537 if (_term->Ottyb.c_oflag & OFLAGS_TABS)
538 tab = back_tab = NULL;
540 if (_term->Ottyb.sg_flags & XTABS)
541 tab = back_tab = NULL;
546 /* reset_shell_mode */
548 _nc_keypad(sp, FALSE);
549 NCURSES_SP_NAME(_nc_flush) (sp);
550 NC_BUFFERED(sp, FALSE);
552 code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
563 NCURSES_SP_NAME(_nc_screen_wrap) (sp);
564 NCURSES_SP_NAME(_nc_mvcur_wrap) (sp); /* wrap up cursor addressing */
569 drv_release(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
573 # define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
576 drv_screen_init(SCREEN *sp)
578 TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
583 * Check for mismatched graphic-rendition capabilities. Most SVr4
584 * terminfo trees contain entries that have rmul or rmso equated to
585 * sgr0 (Solaris curses copes with those entries). We do this only
586 * for curses, since many termcap applications assume that
587 * smso/rmso and smul/rmul are paired, and will not function
588 * properly if we remove rmso or rmul. Curses applications
589 * shouldn't be looking at this detail.
591 sp->_use_rmso = SGR0_TEST(exit_standout_mode);
592 sp->_use_rmul = SGR0_TEST(exit_underline_mode);
595 * Check whether we can optimize scrolling under dumb terminals in
596 * case we do not have any of these capabilities, scrolling
597 * optimization will be useless.
599 sp->_scrolling = ((scroll_forward && scroll_reverse) ||
607 NCURSES_SP_NAME(baudrate) (sp);
609 NCURSES_SP_NAME(_nc_mvcur_init) (sp);
610 /* initialize terminal to a sane state */
611 NCURSES_SP_NAME(_nc_screen_init) (sp);
615 drv_init(TERMINAL_CONTROL_BLOCK * TCB)
622 trm = (TERMINAL *) TCB;
625 TCB->info.initcolor = VALID_STRING(initialize_color);
626 TCB->info.canchange = can_change;
627 TCB->info.hascolor = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
628 && (((set_foreground != NULL)
629 && (set_background != NULL))
630 || ((set_a_foreground != NULL)
631 && (set_a_background != NULL))
632 || set_color_pair)) ? TRUE : FALSE);
634 TCB->info.caninit = !(exit_ca_mode && non_rev_rmcup);
636 TCB->info.maxpairs = VALID_NUMERIC(max_pairs) ? max_pairs : 0;
637 TCB->info.maxcolors = VALID_NUMERIC(max_colors) ? max_colors : 0;
638 TCB->info.numlabels = VALID_NUMERIC(num_labels) ? num_labels : 0;
639 TCB->info.labelwidth = VALID_NUMERIC(label_width) ? label_width : 0;
640 TCB->info.labelheight = VALID_NUMERIC(label_height) ? label_height : 0;
641 TCB->info.nocolorvideo = VALID_NUMERIC(no_color_video) ? no_color_video
643 TCB->info.tabsize = VALID_NUMERIC(init_tabs) ? (int) init_tabs : 8;
645 TCB->info.defaultPalette = hue_lightness_saturation ? _nc_hls_palette : _nc_cga_palette;
648 * If an application calls setupterm() rather than initscr() or
649 * newterm(), we will not have the def_prog_mode() call in
650 * _nc_setupscreen(). Do it now anyway, so we can initialize the
653 if (isatty(trm->Filedes)) {
654 TCB->drv->mode(TCB, TRUE, TRUE);
658 #define MAX_PALETTE 8
659 #define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
662 drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, int pair, int f, int b)
669 if ((initialize_pair != NULL) && InPalette(f) && InPalette(b)) {
670 const color_t *tp = InfoOf(sp).defaultPalette;
673 ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
675 tp[f].red, tp[f].green, tp[f].blue,
676 tp[b].red, tp[b].green, tp[b].blue));
678 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
680 TPARM_7(initialize_pair,
682 tp[f].red, tp[f].green, tp[f].blue,
683 tp[b].red, tp[b].green, tp[b].blue));
688 default_fg(SCREEN *sp)
690 #if NCURSES_EXT_FUNCS
691 return (sp != 0) ? sp->_default_fg : COLOR_WHITE;
698 default_bg(SCREEN *sp)
700 #if NCURSES_EXT_FUNCS
701 return sp != 0 ? sp->_default_bg : COLOR_BLACK;
708 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
709 int color, int r, int g, int b)
711 SCREEN *sp = TCB->csp;
714 if (initialize_color != NULL) {
715 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
717 TPARM_4(initialize_color, color, r, g, b));
722 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
726 NCURSES_SP_OUTC outc)
728 SCREEN *sp = TCB->csp;
729 NCURSES_COLOR_T fg = COLOR_DEFAULT;
730 NCURSES_COLOR_T bg = COLOR_DEFAULT;
731 NCURSES_COLOR_T old_fg, old_bg;
737 if (pair < 0 || pair >= COLOR_PAIRS) {
739 } else if (pair != 0) {
740 if (set_color_pair) {
741 TPUTS_TRACE("set_color_pair");
742 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
743 TPARM_1(set_color_pair, pair), 1, outc);
745 } else if (sp != 0) {
746 NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
755 && NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
759 if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
760 || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
761 #if NCURSES_EXT_FUNCS
763 * A minor optimization - but extension. If "AX" is specified in
764 * the terminal description, treat it as screen's indicator of ECMA
765 * SGR 39 and SGR 49, and assume the two sequences are independent.
767 if (sp->_has_sgr_39_49
768 && isDefaultColor(old_bg)
769 && !isDefaultColor(old_fg)) {
770 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[39m", 1, outc);
771 } else if (sp->_has_sgr_39_49
772 && isDefaultColor(old_fg)
773 && !isDefaultColor(old_bg)) {
774 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[49m", 1, outc);
785 #if NCURSES_EXT_FUNCS
786 if (isDefaultColor(fg))
787 fg = (NCURSES_COLOR_T) default_fg(sp);
788 if (isDefaultColor(bg))
789 bg = (NCURSES_COLOR_T) default_bg(sp);
793 NCURSES_COLOR_T xx = fg;
798 TR(TRACE_ATTRS, ("setting colors: pair = %d, fg = %d, bg = %d", pair,
801 if (!isDefaultColor(fg)) {
802 drv_setcolor(TCB, TRUE, fg, outc);
804 if (!isDefaultColor(bg)) {
805 drv_setcolor(TCB, FALSE, bg, outc);
809 #define xterm_kmous "\033[M"
811 init_xterm_mouse(SCREEN *sp)
813 sp->_mouse_type = M_XTERM;
814 sp->_mouse_xtermcap = NCURSES_SP_NAME(tigetstr) (NCURSES_SP_ARGx "XM");
815 if (!VALID_STRING(sp->_mouse_xtermcap))
816 sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
820 drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
827 /* we know how to recognize mouse events under "xterm" */
829 if (key_mouse != 0) {
830 if (!strcmp(key_mouse, xterm_kmous)
831 || strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
832 init_xterm_mouse(sp);
834 } else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
835 if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
836 init_xterm_mouse(sp);
842 drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
844 EVENTLIST_2nd(_nc_eventlist * evl))
853 if ((sp->_mouse_type == M_SYSMOUSE)
854 && (sp->_sysmouse_head < sp->_sysmouse_tail)) {
859 rc = TCBOf(sp)->drv->twait(TCBOf(sp),
865 if ((sp->_mouse_type == M_SYSMOUSE)
866 && (sp->_sysmouse_head < sp->_sysmouse_tail)
868 && (errno == EINTR)) {
877 drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB, int yold, int xold, int ynew, int xnew)
879 SCREEN *sp = TCB->csp;
881 return TINFO_MVCUR(sp, yold, xold, ynew, xnew);
885 drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB, int labnum, char *text)
887 SCREEN *sp = TCB->csp;
890 if (labnum > 0 && labnum <= num_labels) {
891 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
893 TPARM_2(plab_norm, labnum, text));
898 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, int OnFlag)
900 SCREEN *sp = TCB->csp;
904 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "label_on", label_on);
906 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "label_off", label_off);
911 drv_conattr(TERMINAL_CONTROL_BLOCK * TCB)
913 SCREEN *sp = TCB->csp;
914 chtype attrs = A_NORMAL;
917 if (enter_alt_charset_mode)
918 attrs |= A_ALTCHARSET;
920 if (enter_blink_mode)
929 if (enter_reverse_mode)
932 if (enter_standout_mode)
935 if (enter_protected_mode)
938 if (enter_secure_mode)
941 if (enter_underline_mode)
942 attrs |= A_UNDERLINE;
944 if (sp && sp->_coloron)
951 drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
956 cursor_down = parm_down_cursor = 0;
958 cursor_up = parm_up_cursor = 0;
960 cursor_home = carriage_return;
964 drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
966 SCREEN *sp = TCB->csp;
970 if (ena_acs != NULL) {
971 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "ena_acs", ena_acs);
973 #if NCURSES_EXT_FUNCS
975 * Linux console "supports" the "PC ROM" character set by the coincidence
976 * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
977 * no codepage support (see SCO Merge for an example). Outside of the
978 * values defined in acsc, there are no definitions for the "PC ROM"
979 * character set (assumed by some applications to be codepage 437), but we
980 * allow those applications to use those codepoints.
982 * test/blue.c uses this feature.
984 #define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
985 if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
986 PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
988 for (i = 1; i < ACS_LEN; ++i) {
989 if (real_map[i] == 0) {
991 if (real_map != fake_map) {
993 sp->_screen_acs_map[i] = TRUE;
1000 if (acs_chars != NULL) {
1002 size_t length = strlen(acs_chars);
1004 while (i + 1 < length) {
1005 if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
1006 real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
1008 sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
1014 /* Show the equivalent mapping, noting if it does not match the
1015 * given attribute, whether by re-ordering or duplication.
1017 if (USE_TRACEF(TRACE_CALLS)) {
1019 char show[ACS_LEN * 2 + 1];
1020 for (n = 1, m = 0; n < ACS_LEN; n++) {
1021 if (real_map[n] != 0) {
1022 show[m++] = (char) n;
1023 show[m++] = (char) ChCharOf(real_map[n]);
1027 if (acs_chars == NULL || strcmp(acs_chars, show))
1028 _tracef("%s acs_chars %s",
1029 (acs_chars == NULL) ? "NULL" : "READ",
1030 _nc_visbuf(acs_chars));
1031 _tracef("%s acs_chars %s",
1034 : (strcmp(acs_chars, show)
1039 _nc_unlock_global(tracef);
1044 #define ENSURE_TINFO(sp) (TCBOf(sp)->drv->isTerminfo)
1046 NCURSES_EXPORT(void)
1047 _nc_cookie_init(SCREEN *sp)
1049 bool support_cookies = USE_XMC_SUPPORT;
1050 TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) (sp->_term);
1052 if (sp == 0 || !ENSURE_TINFO(sp))
1057 * If we have no magic-cookie support compiled-in, or if it is suppressed
1058 * in the environment, reset the support-flag.
1060 if (magic_cookie_glitch >= 0) {
1061 if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
1062 support_cookies = FALSE;
1067 if (!support_cookies && magic_cookie_glitch >= 0) {
1068 T(("will disable attributes to work w/o magic cookies"));
1071 if (magic_cookie_glitch > 0) { /* tvi, wyse */
1073 sp->_xmc_triggers = sp->_ok_attributes & (
1085 * We "should" treat colors as an attribute. The wyse350 (and its
1086 * clones) appear to be the only ones that have both colors and magic
1090 sp->_xmc_triggers |= A_COLOR;
1093 sp->_xmc_suppress = sp->_xmc_triggers & (chtype) ~(A_BOLD);
1095 T(("magic cookie attributes %s", _traceattr(sp->_xmc_suppress)));
1097 * Supporting line-drawing may be possible. But make the regular
1098 * video attributes work first.
1100 acs_chars = ABSENT_STRING;
1101 ena_acs = ABSENT_STRING;
1102 enter_alt_charset_mode = ABSENT_STRING;
1103 exit_alt_charset_mode = ABSENT_STRING;
1106 * To keep the cookie support simple, suppress all of the optimization
1107 * hooks except for clear_screen and the cursor addressing.
1109 if (support_cookies) {
1110 clr_eol = ABSENT_STRING;
1111 clr_eos = ABSENT_STRING;
1112 set_attributes = ABSENT_STRING;
1115 } else if (magic_cookie_glitch == 0) { /* hpterm */
1119 * If magic cookies are not supported, cancel the strings that set
1122 if (!support_cookies && magic_cookie_glitch >= 0) {
1123 magic_cookie_glitch = ABSENT_NUMERIC;
1124 set_attributes = ABSENT_STRING;
1125 enter_blink_mode = ABSENT_STRING;
1126 enter_bold_mode = ABSENT_STRING;
1127 enter_dim_mode = ABSENT_STRING;
1128 enter_reverse_mode = ABSENT_STRING;
1129 enter_standout_mode = ABSENT_STRING;
1130 enter_underline_mode = ABSENT_STRING;
1133 /* initialize normal acs before wide, since we use mapping in the latter */
1134 #if !USE_WIDEC_SUPPORT
1135 if (_nc_unicode_locale() && _nc_locale_breaks_acs(sp->_term)) {
1138 enter_alt_charset_mode = NULL;
1139 exit_alt_charset_mode = NULL;
1140 set_attributes = NULL;
1146 drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
1150 EVENTLIST_2nd(_nc_eventlist * evl))
1157 return _nc_timed_wait(sp, mode, milliseconds, timeleft EVENTLIST_2nd(evl));
1161 drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
1164 unsigned char c2 = 0;
1171 # if USE_PTHREADS_EINTR
1172 if ((pthread_self) && (pthread_kill) && (pthread_equal))
1173 _nc_globals.read_thread = pthread_self();
1175 n = read(sp->_ifd, &c2, (size_t) 1);
1176 #if USE_PTHREADS_EINTR
1177 _nc_globals.read_thread = 0;
1184 drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
1188 struct timespec request, remaining;
1189 request.tv_sec = ms / 1000;
1190 request.tv_nsec = (ms % 1000) * 1000000;
1191 while (nanosleep(&request, &remaining) == -1
1192 && errno == EINTR) {
1193 request = remaining;
1197 _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
1203 __nc_putp(SCREEN *sp, const char *name GCC_UNUSED, const char *value)
1208 rc = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx name, value);
1214 __nc_putp_flush(SCREEN *sp, const char *name, const char *value)
1216 int rc = __nc_putp(sp, name, value);
1218 NCURSES_SP_NAME(_nc_flush) (sp);
1224 drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag)
1235 (void) __nc_putp_flush(sp, "keypad_xmit", keypad_xmit);
1236 } else if (!flag && keypad_local) {
1237 (void) __nc_putp_flush(sp, "keypad_local", keypad_local);
1239 if (flag && !sp->_tried) {
1240 _nc_init_keytry(sp);
1250 drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, int flag)
1261 unsigned ch = (unsigned) c;
1263 while ((s = _nc_expand_try(sp->_key_ok,
1264 ch, &count, (size_t) 0)) != 0
1265 && _nc_remove_key(&(sp->_key_ok), ch)) {
1266 code = _nc_add_to_try(&(sp->_keytry), s, ch);
1273 while ((s = _nc_expand_try(sp->_keytry,
1274 ch, &count, (size_t) 0)) != 0
1275 && _nc_remove_key(&(sp->_keytry), ch)) {
1276 code = _nc_add_to_try(&(sp->_key_ok), s, ch);
1288 drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
1294 res = TINFO_HAS_KEY(TCB->csp, key) == 0 ? FALSE : TRUE;
1299 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
1301 drv_CanHandle, /* CanHandle */
1302 drv_init, /* init */
1303 drv_release, /* release */
1304 drv_size, /* size */
1305 drv_sgmode, /* sgmode */
1306 drv_conattr, /* conattr */
1307 drv_mvcur, /* hwcur */
1308 drv_mode, /* mode */
1309 drv_rescol, /* rescol */
1310 drv_rescolors, /* rescolors */
1311 drv_setcolor, /* color */
1312 drv_dobeepflash, /* doBeepOrFlash */
1313 drv_initpair, /* initpair */
1314 drv_initcolor, /* initcolor */
1315 drv_do_color, /* docolor */
1316 drv_initmouse, /* initmouse */
1317 drv_testmouse, /* testmouse */
1318 drv_setfilter, /* setfilter */
1319 drv_hwlabel, /* hwlabel */
1320 drv_hwlabelOnOff, /* hwlabelOnOff */
1321 drv_doupdate, /* update */
1322 drv_defaultcolors, /* defaultcolors */
1323 drv_print, /* print */
1324 drv_getsize, /* getsize */
1325 drv_setsize, /* setsize */
1326 drv_initacs, /* initacs */
1327 drv_screen_init, /* scinit */
1328 drv_wrap, /* scexit */
1329 drv_twait, /* twait */
1330 drv_read, /* read */
1332 drv_kpad, /* kpad */
1333 drv_keyok, /* kyOk */
1334 drv_kyExist /* kyExist */