1 /****************************************************************************
2 * Copyright (c) 2008-2015,2016 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 1.41 2016/09/10 20:14:56 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_Name(TERMINAL_CONTROL_BLOCK * TCB)
117 #define SETUP_FAIL FALSE
120 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
128 T((T_CALLED("tinfo::drv_CanHandle(%p)"), TCB));
130 assert(TCB != 0 && tname != 0);
131 termp = (TERMINAL *) TCB;
133 TCB->magic = TCBMAGIC;
135 #if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
136 status = _nc_setup_tinfo(tname, &termp->type);
141 /* try fallback list if entry on disk */
142 if (status != TGETENT_YES) {
143 const TERMTYPE *fallback = _nc_fallback(tname);
146 termp->type = *fallback;
147 status = TGETENT_YES;
151 if (status != TGETENT_YES) {
152 NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx termp);
153 if (status == TGETENT_ERR) {
154 ret_error0(status, "terminals database is inaccessible\n");
155 } else if (status == TGETENT_NO) {
156 ret_error1(status, "unknown terminal type.\n", tname);
161 #define MY_SIZE (size_t) NAMESIZE - 1
162 _nc_STRNCPY(ttytype, termp->type.term_names, MY_SIZE);
163 ttytype[MY_SIZE] = '\0';
166 if (command_character)
167 _nc_tinfo_cmdch(termp, *command_character);
171 * BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
172 * check before giving up.
174 if ((VALID_STRING(cursor_address)
175 || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
176 && VALID_STRING(clear_screen)) {
177 ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
179 ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
183 ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
190 drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, int beepFlag)
198 /* FIXME: should make sure that we are not in altchar mode */
201 res = NCURSES_PUTP2("bell", bell);
202 NCURSES_SP_NAME(_nc_flush) (sp);
203 } else if (flash_screen) {
204 res = NCURSES_PUTP2("flash_screen", flash_screen);
205 NCURSES_SP_NAME(_nc_flush) (sp);
209 res = NCURSES_PUTP2("flash_screen", flash_screen);
210 NCURSES_SP_NAME(_nc_flush) (sp);
212 res = NCURSES_PUTP2("bell", bell);
213 NCURSES_SP_NAME(_nc_flush) (sp);
220 * SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
221 * to maintain compatibility with a pre-ANSI scheme. The same scheme is
222 * also used in the FreeBSD syscons.
225 toggled_colors(int c)
228 static const int table[] =
229 {0, 4, 2, 6, 1, 5, 3, 7,
230 8, 12, 10, 14, 9, 13, 11, 15};
237 drv_print(TERMINAL_CONTROL_BLOCK * TCB, char *data, int len)
243 #if NCURSES_EXT_FUNCS
244 return NCURSES_SP_NAME(mcprint) (TCB->csp, data, len);
251 drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
259 if (sp != 0 && orig_pair && orig_colors && (initialize_pair != 0)) {
260 #if NCURSES_EXT_FUNCS
261 sp->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
262 sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
265 sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
266 sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
267 if (sp->_color_pairs != 0) {
268 bool save = sp->_default_color;
269 sp->_default_color = TRUE;
270 NCURSES_SP_NAME(init_pair) (NCURSES_SP_ARGx
274 sp->_default_color = save;
283 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
286 NCURSES_SP_OUTC outc)
294 if (set_a_foreground) {
295 TPUTS_TRACE("set_a_foreground");
296 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
297 TPARM_1(set_a_foreground, color), 1, outc);
299 TPUTS_TRACE("set_foreground");
300 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
301 TPARM_1(set_foreground,
302 toggled_colors(color)), 1, outc);
305 if (set_a_background) {
306 TPUTS_TRACE("set_a_background");
307 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
308 TPARM_1(set_a_background, color), 1, outc);
310 TPUTS_TRACE("set_background");
311 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
312 TPARM_1(set_background,
313 toggled_colors(color)), 1, outc);
319 drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
327 if (orig_pair != 0) {
328 NCURSES_PUTP2("orig_pair", orig_pair);
335 drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
343 if (orig_colors != 0) {
344 NCURSES_PUTP2("orig_colors", orig_colors);
351 drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
355 bool useTioctl = TRUE;
358 sp = TCB->csp; /* can be null here */
361 useEnv = sp->_use_env;
362 useTioctl = sp->_use_tioctl;
364 useEnv = _nc_prescreen.use_env;
365 useTioctl = _nc_prescreen.use_tioctl;
368 /* figure out the size of the screen */
369 T(("screen size: terminfo lines = %d columns = %d", lines, columns));
371 *linep = (int) lines;
372 *colp = (int) columns;
374 if (useEnv || useTioctl) {
380 _scrsize(screendata);
381 *colp = screendata[0];
382 *linep = ((sp != 0 && sp->_filtered)
385 T(("EMX screen size: environment LINES = %d COLUMNS = %d",
390 /* try asking the OS */
392 TERMINAL *termp = (TERMINAL *) TCB;
393 if (NC_ISATTY(termp->Filedes)) {
398 if (ioctl(termp->Filedes, IOCTL_WINSIZE, &size) >= 0) {
399 *linep = ((sp != 0 && sp->_filtered)
401 : WINSIZE_ROWS(size));
402 *colp = WINSIZE_COLS(size);
403 T(("SYS screen size: environment LINES = %d COLUMNS = %d",
411 #endif /* HAVE_SIZECHANGE */
416 * If environment variables are used, update them.
418 if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
419 _nc_setenv_num("LINES", *linep);
421 if (_nc_getenv_num("COLUMNS") > 0) {
422 _nc_setenv_num("COLUMNS", *colp);
427 * Finally, look for environment variables.
429 * Solaris lets users override either dimension with an environment
432 if ((value = _nc_getenv_num("LINES")) > 0) {
434 T(("screen size: environment LINES = %d", *linep));
436 if ((value = _nc_getenv_num("COLUMNS")) > 0) {
438 T(("screen size: environment COLUMNS = %d", *colp));
442 /* if we can't get dynamic info about the size, use static */
444 *linep = (int) lines;
447 *colp = (int) columns;
450 /* the ultimate fallback, assume fixed 24x80 size */
459 * Put the derived values back in the screen-size caps, so
460 * tigetnum() and tgetnum() will do the right thing.
462 lines = (short) (*linep);
463 columns = (short) (*colp);
466 T(("screen size is %dx%d", *linep, *colp));
471 drv_getsize(TERMINAL_CONTROL_BLOCK * TCB, int *l, int *c)
474 assert(l != 0 && c != 0);
481 drv_setsize(TERMINAL_CONTROL_BLOCK * TCB, int l, int c)
490 drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
492 SCREEN *sp = TCB->csp;
493 TERMINAL *_term = (TERMINAL *) TCB;
499 if (SET_TTY(_term->Filedes, buf) != 0) {
502 if (errno == ENOTTY) {
512 if (GET_TTY(_term->Filedes, buf) != 0) {
524 drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
527 TERMINAL *_term = (TERMINAL *) TCB;
533 if (progFlag) /* prog mode */
538 * Turn off the XTABS bit in the tty structure if it was on.
540 if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
542 _term->Nttyb.c_oflag &= (unsigned) ~OFLAGS_TABS;
544 _term->Nttyb.sg_flags &= (unsigned) ~XTABS;
549 /* reset_prog_mode */
550 if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
553 _nc_keypad(sp, TRUE);
558 } else { /* shell mode */
562 * If XTABS was on, remove the tab and backtab capabilities.
564 if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
566 if (_term->Ottyb.c_oflag & OFLAGS_TABS)
567 tab = back_tab = NULL;
569 if (_term->Ottyb.sg_flags & XTABS)
570 tab = back_tab = NULL;
575 /* reset_shell_mode */
577 _nc_keypad(sp, FALSE);
578 NCURSES_SP_NAME(_nc_flush) (sp);
580 code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
591 NCURSES_SP_NAME(_nc_screen_wrap) (sp);
592 NCURSES_SP_NAME(_nc_mvcur_wrap) (sp); /* wrap up cursor addressing */
597 drv_release(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
601 # define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
604 drv_screen_init(SCREEN *sp)
606 TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
611 * Check for mismatched graphic-rendition capabilities. Most SVr4
612 * terminfo trees contain entries that have rmul or rmso equated to
613 * sgr0 (Solaris curses copes with those entries). We do this only
614 * for curses, since many termcap applications assume that
615 * smso/rmso and smul/rmul are paired, and will not function
616 * properly if we remove rmso or rmul. Curses applications
617 * shouldn't be looking at this detail.
619 sp->_use_rmso = SGR0_TEST(exit_standout_mode);
620 sp->_use_rmul = SGR0_TEST(exit_underline_mode);
623 * Check whether we can optimize scrolling under dumb terminals in
624 * case we do not have any of these capabilities, scrolling
625 * optimization will be useless.
627 sp->_scrolling = ((scroll_forward && scroll_reverse) ||
635 NCURSES_SP_NAME(baudrate) (sp);
637 NCURSES_SP_NAME(_nc_mvcur_init) (sp);
638 /* initialize terminal to a sane state */
639 NCURSES_SP_NAME(_nc_screen_init) (sp);
643 drv_init(TERMINAL_CONTROL_BLOCK * TCB)
649 trm = (TERMINAL *) TCB;
651 TCB->info.initcolor = VALID_STRING(initialize_color);
652 TCB->info.canchange = can_change;
653 TCB->info.hascolor = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
654 && (((set_foreground != NULL)
655 && (set_background != NULL))
656 || ((set_a_foreground != NULL)
657 && (set_a_background != NULL))
658 || set_color_pair)) ? TRUE : FALSE);
660 TCB->info.caninit = !(exit_ca_mode && non_rev_rmcup);
662 TCB->info.maxpairs = VALID_NUMERIC(max_pairs) ? max_pairs : 0;
663 TCB->info.maxcolors = VALID_NUMERIC(max_colors) ? max_colors : 0;
664 TCB->info.numlabels = VALID_NUMERIC(num_labels) ? num_labels : 0;
665 TCB->info.labelwidth = VALID_NUMERIC(label_width) ? label_width : 0;
666 TCB->info.labelheight = VALID_NUMERIC(label_height) ? label_height : 0;
667 TCB->info.nocolorvideo = VALID_NUMERIC(no_color_video) ? no_color_video
669 TCB->info.tabsize = VALID_NUMERIC(init_tabs) ? (int) init_tabs : 8;
671 TCB->info.defaultPalette = hue_lightness_saturation ? _nc_hls_palette : _nc_cga_palette;
674 * If an application calls setupterm() rather than initscr() or
675 * newterm(), we will not have the def_prog_mode() call in
676 * _nc_setupscreen(). Do it now anyway, so we can initialize the
679 if (NC_ISATTY(trm->Filedes)) {
680 TCB->drv->td_mode(TCB, TRUE, TRUE);
684 #define MAX_PALETTE 8
685 #define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
688 drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, int pair, int f, int b)
695 if ((initialize_pair != NULL) && InPalette(f) && InPalette(b)) {
696 const color_t *tp = InfoOf(sp).defaultPalette;
699 ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
701 tp[f].red, tp[f].green, tp[f].blue,
702 tp[b].red, tp[b].green, tp[b].blue));
704 NCURSES_PUTP2("initialize_pair",
705 TPARM_7(initialize_pair,
707 tp[f].red, tp[f].green, tp[f].blue,
708 tp[b].red, tp[b].green, tp[b].blue));
713 default_fg(SCREEN *sp)
715 #if NCURSES_EXT_FUNCS
716 return (sp != 0) ? sp->_default_fg : COLOR_WHITE;
723 default_bg(SCREEN *sp)
725 #if NCURSES_EXT_FUNCS
726 return sp != 0 ? sp->_default_bg : COLOR_BLACK;
733 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
734 int color, int r, int g, int b)
736 SCREEN *sp = TCB->csp;
739 if (initialize_color != NULL) {
740 NCURSES_PUTP2("initialize_color",
741 TPARM_4(initialize_color, color, r, g, b));
746 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
750 NCURSES_SP_OUTC outc)
752 SCREEN *sp = TCB->csp;
753 NCURSES_COLOR_T fg = COLOR_DEFAULT;
754 NCURSES_COLOR_T bg = COLOR_DEFAULT;
755 NCURSES_COLOR_T old_fg, old_bg;
761 if (pair < 0 || pair >= COLOR_PAIRS) {
763 } else if (pair != 0) {
764 if (set_color_pair) {
765 TPUTS_TRACE("set_color_pair");
766 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
767 TPARM_1(set_color_pair, pair), 1, outc);
769 } else if (sp != 0) {
770 NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
779 && NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
783 if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
784 || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
785 #if NCURSES_EXT_FUNCS
787 * A minor optimization - but extension. If "AX" is specified in
788 * the terminal description, treat it as screen's indicator of ECMA
789 * SGR 39 and SGR 49, and assume the two sequences are independent.
791 if (sp->_has_sgr_39_49
792 && isDefaultColor(old_bg)
793 && !isDefaultColor(old_fg)) {
794 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[39m", 1, outc);
795 } else if (sp->_has_sgr_39_49
796 && isDefaultColor(old_fg)
797 && !isDefaultColor(old_bg)) {
798 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[49m", 1, outc);
809 #if NCURSES_EXT_FUNCS
810 if (isDefaultColor(fg))
811 fg = (NCURSES_COLOR_T) default_fg(sp);
812 if (isDefaultColor(bg))
813 bg = (NCURSES_COLOR_T) default_bg(sp);
817 NCURSES_COLOR_T xx = fg;
822 TR(TRACE_ATTRS, ("setting colors: pair = %d, fg = %d, bg = %d", pair,
825 if (!isDefaultColor(fg)) {
826 drv_setcolor(TCB, TRUE, fg, outc);
828 if (!isDefaultColor(bg)) {
829 drv_setcolor(TCB, FALSE, bg, outc);
833 #define xterm_kmous "\033[M"
835 init_xterm_mouse(SCREEN *sp)
837 sp->_mouse_type = M_XTERM;
838 sp->_mouse_xtermcap = NCURSES_SP_NAME(tigetstr) (NCURSES_SP_ARGx "XM");
839 if (!VALID_STRING(sp->_mouse_xtermcap))
840 sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
844 drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
851 /* we know how to recognize mouse events under "xterm" */
853 if (key_mouse != 0) {
854 if (!strcmp(key_mouse, xterm_kmous)
855 || strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
856 init_xterm_mouse(sp);
858 } else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
859 if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
860 init_xterm_mouse(sp);
866 drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
868 EVENTLIST_2nd(_nc_eventlist * evl))
877 if ((sp->_mouse_type == M_SYSMOUSE)
878 && (sp->_sysmouse_head < sp->_sysmouse_tail)) {
883 rc = TCBOf(sp)->drv->td_twait(TCBOf(sp),
889 if ((sp->_mouse_type == M_SYSMOUSE)
890 && (sp->_sysmouse_head < sp->_sysmouse_tail)
892 && (errno == EINTR)) {
901 drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB, int yold, int xold, int ynew, int xnew)
903 SCREEN *sp = TCB->csp;
905 return NCURSES_SP_NAME(_nc_mvcur) (sp, yold, xold, ynew, xnew);
909 drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB, int labnum, char *text)
911 SCREEN *sp = TCB->csp;
914 if (labnum > 0 && labnum <= num_labels) {
915 NCURSES_PUTP2("plab_norm",
916 TPARM_2(plab_norm, labnum, text));
921 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, int OnFlag)
923 SCREEN *sp = TCB->csp;
927 NCURSES_PUTP2("label_on", label_on);
929 NCURSES_PUTP2("label_off", label_off);
934 drv_conattr(TERMINAL_CONTROL_BLOCK * TCB)
936 SCREEN *sp = TCB->csp;
937 chtype attrs = A_NORMAL;
940 if (enter_alt_charset_mode)
941 attrs |= A_ALTCHARSET;
943 if (enter_blink_mode)
952 if (enter_reverse_mode)
955 if (enter_standout_mode)
958 if (enter_protected_mode)
961 if (enter_secure_mode)
964 if (enter_underline_mode)
965 attrs |= A_UNDERLINE;
967 if (sp && sp->_coloron)
971 if (enter_italics_mode)
979 drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
984 cursor_down = parm_down_cursor = 0;
986 cursor_up = parm_up_cursor = 0;
988 cursor_home = carriage_return;
992 drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
994 SCREEN *sp = TCB->csp;
998 if (ena_acs != NULL) {
999 NCURSES_PUTP2("ena_acs", ena_acs);
1001 #if NCURSES_EXT_FUNCS
1003 * Linux console "supports" the "PC ROM" character set by the coincidence
1004 * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
1005 * no codepage support (see SCO Merge for an example). Outside of the
1006 * values defined in acsc, there are no definitions for the "PC ROM"
1007 * character set (assumed by some applications to be codepage 437), but we
1008 * allow those applications to use those codepoints.
1010 * test/blue.c uses this feature.
1012 #define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
1013 if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
1014 PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
1016 for (i = 1; i < ACS_LEN; ++i) {
1017 if (real_map[i] == 0) {
1018 real_map[i] = (chtype) i;
1019 if (real_map != fake_map) {
1021 sp->_screen_acs_map[i] = TRUE;
1028 if (acs_chars != NULL) {
1030 size_t length = strlen(acs_chars);
1032 while (i + 1 < length) {
1033 if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
1034 real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
1036 sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
1042 /* Show the equivalent mapping, noting if it does not match the
1043 * given attribute, whether by re-ordering or duplication.
1045 if (USE_TRACEF(TRACE_CALLS)) {
1047 char show[ACS_LEN * 2 + 1];
1048 for (n = 1, m = 0; n < ACS_LEN; n++) {
1049 if (real_map[n] != 0) {
1050 show[m++] = (char) n;
1051 show[m++] = (char) ChCharOf(real_map[n]);
1055 if (acs_chars == NULL || strcmp(acs_chars, show))
1056 _tracef("%s acs_chars %s",
1057 (acs_chars == NULL) ? "NULL" : "READ",
1058 _nc_visbuf(acs_chars));
1059 _tracef("%s acs_chars %s",
1062 : (strcmp(acs_chars, show)
1067 _nc_unlock_global(tracef);
1072 #define ENSURE_TINFO(sp) (TCBOf(sp)->drv->isTerminfo)
1074 NCURSES_EXPORT(void)
1075 _nc_cookie_init(SCREEN *sp)
1077 bool support_cookies = USE_XMC_SUPPORT;
1078 TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) (sp->_term);
1080 if (sp == 0 || !ENSURE_TINFO(sp))
1085 * If we have no magic-cookie support compiled-in, or if it is suppressed
1086 * in the environment, reset the support-flag.
1088 if (magic_cookie_glitch >= 0) {
1089 if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
1090 support_cookies = FALSE;
1095 if (!support_cookies && magic_cookie_glitch >= 0) {
1096 T(("will disable attributes to work w/o magic cookies"));
1099 if (magic_cookie_glitch > 0) { /* tvi, wyse */
1101 sp->_xmc_triggers = sp->_ok_attributes & XMC_CONFLICT;
1104 * We "should" treat colors as an attribute. The wyse350 (and its
1105 * clones) appear to be the only ones that have both colors and magic
1109 sp->_xmc_triggers |= A_COLOR;
1112 sp->_xmc_suppress = sp->_xmc_triggers & (chtype) ~(A_BOLD);
1114 T(("magic cookie attributes %s", _traceattr(sp->_xmc_suppress)));
1116 * Supporting line-drawing may be possible. But make the regular
1117 * video attributes work first.
1119 acs_chars = ABSENT_STRING;
1120 ena_acs = ABSENT_STRING;
1121 enter_alt_charset_mode = ABSENT_STRING;
1122 exit_alt_charset_mode = ABSENT_STRING;
1125 * To keep the cookie support simple, suppress all of the optimization
1126 * hooks except for clear_screen and the cursor addressing.
1128 if (support_cookies) {
1129 clr_eol = ABSENT_STRING;
1130 clr_eos = ABSENT_STRING;
1131 set_attributes = ABSENT_STRING;
1134 } else if (magic_cookie_glitch == 0) { /* hpterm */
1138 * If magic cookies are not supported, cancel the strings that set
1141 if (!support_cookies && magic_cookie_glitch >= 0) {
1142 magic_cookie_glitch = ABSENT_NUMERIC;
1143 set_attributes = ABSENT_STRING;
1144 enter_blink_mode = ABSENT_STRING;
1145 enter_bold_mode = ABSENT_STRING;
1146 enter_dim_mode = ABSENT_STRING;
1147 enter_reverse_mode = ABSENT_STRING;
1148 enter_standout_mode = ABSENT_STRING;
1149 enter_underline_mode = ABSENT_STRING;
1152 /* initialize normal acs before wide, since we use mapping in the latter */
1153 #if !USE_WIDEC_SUPPORT
1154 if (_nc_unicode_locale() && _nc_locale_breaks_acs(sp->_term)) {
1157 enter_alt_charset_mode = NULL;
1158 exit_alt_charset_mode = NULL;
1159 set_attributes = NULL;
1165 drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
1169 EVENTLIST_2nd(_nc_eventlist * evl))
1176 return _nc_timed_wait(sp, mode, milliseconds, timeleft EVENTLIST_2nd(evl));
1180 drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
1183 unsigned char c2 = 0;
1190 # if USE_PTHREADS_EINTR
1191 if ((pthread_self) && (pthread_kill) && (pthread_equal))
1192 _nc_globals.read_thread = pthread_self();
1194 n = (int) read(sp->_ifd, &c2, (size_t) 1);
1195 #if USE_PTHREADS_EINTR
1196 _nc_globals.read_thread = 0;
1203 drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
1207 struct timespec request, remaining;
1208 request.tv_sec = ms / 1000;
1209 request.tv_nsec = (ms % 1000) * 1000000;
1210 while (nanosleep(&request, &remaining) == -1
1211 && errno == EINTR) {
1212 request = remaining;
1216 _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
1222 __nc_putp(SCREEN *sp, const char *name GCC_UNUSED, const char *value)
1227 rc = NCURSES_PUTP2(name, value);
1233 __nc_putp_flush(SCREEN *sp, const char *name, const char *value)
1235 int rc = __nc_putp(sp, name, value);
1237 NCURSES_SP_NAME(_nc_flush) (sp);
1243 drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag)
1254 (void) __nc_putp_flush(sp, "keypad_xmit", keypad_xmit);
1255 } else if (!flag && keypad_local) {
1256 (void) __nc_putp_flush(sp, "keypad_local", keypad_local);
1258 if (flag && !sp->_tried) {
1259 _nc_init_keytry(sp);
1269 drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, int flag)
1280 unsigned ch = (unsigned) c;
1282 while ((s = _nc_expand_try(sp->_key_ok,
1283 ch, &count, (size_t) 0)) != 0
1284 && _nc_remove_key(&(sp->_key_ok), ch)) {
1285 code = _nc_add_to_try(&(sp->_keytry), s, ch);
1292 while ((s = _nc_expand_try(sp->_keytry,
1293 ch, &count, (size_t) 0)) != 0
1294 && _nc_remove_key(&(sp->_keytry), ch)) {
1295 code = _nc_add_to_try(&(sp->_key_ok), s, ch);
1307 drv_cursorSet(TERMINAL_CONTROL_BLOCK * TCB, int vis)
1315 T((T_CALLED("tinfo:drv_cursorSet(%p,%d)"), (void *) SP_PARM, vis));
1317 if (SP_PARM != 0 && IsTermInfo(SP_PARM)) {
1320 code = NCURSES_PUTP2_FLUSH("cursor_visible", cursor_visible);
1323 code = NCURSES_PUTP2_FLUSH("cursor_normal", cursor_normal);
1326 code = NCURSES_PUTP2_FLUSH("cursor_invisible", cursor_invisible);
1336 drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
1342 res = TINFO_HAS_KEY(TCB->csp, key) == 0 ? FALSE : TRUE;
1347 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
1349 drv_Name, /* Name */
1350 drv_CanHandle, /* CanHandle */
1351 drv_init, /* init */
1352 drv_release, /* release */
1353 drv_size, /* size */
1354 drv_sgmode, /* sgmode */
1355 drv_conattr, /* conattr */
1356 drv_mvcur, /* hwcur */
1357 drv_mode, /* mode */
1358 drv_rescol, /* rescol */
1359 drv_rescolors, /* rescolors */
1360 drv_setcolor, /* color */
1361 drv_dobeepflash, /* doBeepOrFlash */
1362 drv_initpair, /* initpair */
1363 drv_initcolor, /* initcolor */
1364 drv_do_color, /* docolor */
1365 drv_initmouse, /* initmouse */
1366 drv_testmouse, /* testmouse */
1367 drv_setfilter, /* setfilter */
1368 drv_hwlabel, /* hwlabel */
1369 drv_hwlabelOnOff, /* hwlabelOnOff */
1370 drv_doupdate, /* update */
1371 drv_defaultcolors, /* defaultcolors */
1372 drv_print, /* print */
1373 drv_getsize, /* getsize */
1374 drv_setsize, /* setsize */
1375 drv_initacs, /* initacs */
1376 drv_screen_init, /* scinit */
1377 drv_wrap, /* scexit */
1378 drv_twait, /* twait */
1379 drv_read, /* read */
1381 drv_kpad, /* kpad */
1382 drv_keyok, /* kyOk */
1383 drv_kyExist, /* kyExist */
1384 drv_cursorSet /* cursorSet */