1 /****************************************************************************
2 * Copyright (c) 2008-2009,2010 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 1.8 2010/04/03 14:10:56 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
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);
109 #define ret_error(code, fmt, arg) if (errret) {\
113 fprintf(stderr, fmt, arg);\
117 #define ret_error0(code, msg) if (errret) {\
121 fprintf(stderr, msg);\
125 #if USE_DATABASE || USE_TERMCAP
127 * Return 1 if entry found, 0 if not found, -1 if database not accessible,
128 * just like tgetent().
131 grab_entry(const char *const tn, TERMTYPE *const tp)
133 char filename[PATH_MAX];
134 int status = _nc_read_entry(tn, filename, tp);
137 * If we have an entry, force all of the cancelled strings to null
138 * pointers so we don't have to test them in the rest of the library.
139 * (The terminfo compiler bypasses this logic, since it must know if
140 * a string is cancelled, for merging entries).
142 if (status == TGETENT_YES) {
144 for_each_boolean(n, tp) {
145 if (!VALID_BOOLEAN(tp->Booleans[n]))
146 tp->Booleans[n] = FALSE;
148 for_each_string(n, tp) {
149 if (tp->Strings[n] == CANCELLED_STRING)
150 tp->Strings[n] = ABSENT_STRING;
158 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
165 assert(TCB != 0 && tname != 0);
166 termp = (TERMINAL *) TCB;
168 TCB->magic = TCBMAGIC;
170 #if (USE_DATABASE || USE_TERMCAP)
171 status = grab_entry(tname, &termp->type);
176 /* try fallback list if entry on disk */
177 if (status != TGETENT_YES) {
178 const TERMTYPE *fallback = _nc_fallback(tname);
181 termp->type = *fallback;
182 status = TGETENT_YES;
186 if (status != TGETENT_YES) {
187 NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx termp);
188 if (status == TGETENT_ERR) {
189 ret_error0(status, "terminals database is inaccessible\n");
190 } else if (status == TGETENT_NO) {
191 ret_error(status, "'%s': unknown terminal type.\n", tname);
196 strncpy(ttytype, termp->type.term_names, NAMESIZE - 1);
197 ttytype[NAMESIZE - 1] = '\0';
200 if (command_character)
201 _nc_tinfo_cmdch(termp, *command_character);
204 ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname);
207 ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname);
214 drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, bool beepFlag)
222 /* FIXME: should make sure that we are not in altchar mode */
225 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "bell", bell);
226 NCURSES_SP_NAME(_nc_flush) (sp);
227 } else if (flash_screen) {
228 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
231 NCURSES_SP_NAME(_nc_flush) (sp);
235 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
238 NCURSES_SP_NAME(_nc_flush) (sp);
240 res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "bell", bell);
241 NCURSES_SP_NAME(_nc_flush) (sp);
248 * SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
249 * to maintain compatibility with a pre-ANSI scheme. The same scheme is
250 * also used in the FreeBSD syscons.
253 toggled_colors(int c)
256 static const int table[] =
257 {0, 4, 2, 6, 1, 5, 3, 7,
258 8, 12, 10, 14, 9, 13, 11, 15};
265 drv_print(TERMINAL_CONTROL_BLOCK * TCB, char *data, int len)
271 #if NCURSES_EXT_FUNCS
272 return NCURSES_SP_NAME(mcprint) (TCB->csp, data, len);
279 drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
287 if (sp != 0 && orig_pair && orig_colors && (initialize_pair != 0)) {
288 #if NCURSES_EXT_FUNCS
289 sp->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
290 sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
293 sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
294 sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
295 if (sp->_color_pairs != 0) {
296 bool save = sp->_default_color;
297 sp->_default_color = TRUE;
298 NCURSES_SP_NAME(init_pair) (NCURSES_SP_ARGx
302 sp->_default_color = save;
311 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
314 NCURSES_SP_OUTC outc)
322 if (set_a_foreground) {
323 TPUTS_TRACE("set_a_foreground");
324 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
325 TPARM_1(set_a_foreground, color), 1, outc);
327 TPUTS_TRACE("set_foreground");
328 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
329 TPARM_1(set_foreground,
330 toggled_colors(color)), 1, outc);
333 if (set_a_background) {
334 TPUTS_TRACE("set_a_background");
335 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
336 TPARM_1(set_a_background, color), 1, outc);
338 TPUTS_TRACE("set_background");
339 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
340 TPARM_1(set_background,
341 toggled_colors(color)), 1, outc);
347 drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
355 if (orig_pair != 0) {
356 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "orig_pair", orig_pair);
363 drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
371 if (orig_colors != 0) {
372 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "orig_colors", orig_colors);
379 drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
385 sp = TCB->csp; /* can be null here */
388 useEnv = sp->_use_env;
390 useEnv = _nc_prescreen.use_env;
392 /* figure out the size of the screen */
393 T(("screen size: terminfo lines = %d columns = %d", lines, columns));
395 *linep = (int) lines;
396 *colp = (int) columns;
404 _scrsize(screendata);
405 *colp = screendata[0];
406 *linep = screendata[1];
407 T(("EMX screen size: environment LINES = %d COLUMNS = %d",
412 /* try asking the OS */
414 TERMINAL *termp = (TERMINAL *) TCB;
415 if (isatty(termp->Filedes)) {
420 if (ioctl(termp->Filedes, IOCTL_WINSIZE, &size) >= 0) {
421 *linep = ((sp != 0 && sp->_filtered)
423 : WINSIZE_ROWS(size));
424 *colp = WINSIZE_COLS(size);
425 T(("SYS screen size: environment LINES = %d COLUMNS = %d",
433 #endif /* HAVE_SIZECHANGE */
436 * Finally, look for environment variables.
438 * Solaris lets users override either dimension with an environment
441 if ((value = _nc_getenv_num("LINES")) > 0) {
443 T(("screen size: environment LINES = %d", *linep));
445 if ((value = _nc_getenv_num("COLUMNS")) > 0) {
447 T(("screen size: environment COLUMNS = %d", *colp));
450 /* if we can't get dynamic info about the size, use static */
452 *linep = (int) lines;
455 *colp = (int) columns;
458 /* the ultimate fallback, assume fixed 24x80 size */
467 * Put the derived values back in the screen-size caps, so
468 * tigetnum() and tgetnum() will do the right thing.
470 lines = (short) (*linep);
471 columns = (short) (*colp);
474 T(("screen size is %dx%d", *linep, *colp));
479 drv_getsize(TERMINAL_CONTROL_BLOCK * TCB, int *l, int *c)
482 assert(l != 0 && c != 0);
489 drv_setsize(TERMINAL_CONTROL_BLOCK * TCB, int l, int c)
498 drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, bool setFlag, TTY * buf)
500 SCREEN *sp = TCB->csp;
501 TERMINAL *_term = (TERMINAL *) TCB;
507 if (SET_TTY(_term->Filedes, buf) != 0) {
510 if (errno == ENOTTY) {
520 if (GET_TTY(_term->Filedes, buf) != 0) {
532 drv_mode(TERMINAL_CONTROL_BLOCK * TCB, bool progFlag, bool defFlag)
535 TERMINAL *_term = (TERMINAL *) TCB;
541 if (progFlag) /* prog mode */
546 * Turn off the XTABS bit in the tty structure if it was on.
548 if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
550 _term->Nttyb.c_oflag &= ~OFLAGS_TABS;
552 _term->Nttyb.sg_flags &= ~XTABS;
557 /* reset_prog_mode */
558 if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
561 _nc_keypad(sp, TRUE);
562 NC_BUFFERED(sp, TRUE);
567 } else { /* shell mode */
571 * If XTABS was on, remove the tab and backtab capabilities.
573 if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
575 if (_term->Ottyb.c_oflag & OFLAGS_TABS)
576 tab = back_tab = NULL;
578 if (_term->Ottyb.sg_flags & XTABS)
579 tab = back_tab = NULL;
584 /* reset_shell_mode */
586 _nc_keypad(sp, FALSE);
587 NCURSES_SP_NAME(_nc_flush) (sp);
588 NC_BUFFERED(sp, FALSE);
590 code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
601 NCURSES_SP_NAME(_nc_screen_wrap) (sp);
602 NCURSES_SP_NAME(_nc_mvcur_wrap) (sp); /* wrap up cursor addressing */
607 drv_release(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
611 # define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
614 drv_screen_init(SCREEN *sp)
616 TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
621 * Check for mismatched graphic-rendition capabilities. Most SVr4
622 * terminfo trees contain entries that have rmul or rmso equated to
623 * sgr0 (Solaris curses copes with those entries). We do this only
624 * for curses, since many termcap applications assume that
625 * smso/rmso and smul/rmul are paired, and will not function
626 * properly if we remove rmso or rmul. Curses applications
627 * shouldn't be looking at this detail.
629 sp->_use_rmso = SGR0_TEST(exit_standout_mode);
630 sp->_use_rmul = SGR0_TEST(exit_underline_mode);
633 * Check whether we can optimize scrolling under dumb terminals in
634 * case we do not have any of these capabilities, scrolling
635 * optimization will be useless.
637 sp->_scrolling = ((scroll_forward && scroll_reverse) ||
645 NCURSES_SP_NAME(baudrate) (sp);
647 NCURSES_SP_NAME(_nc_mvcur_init) (sp);
648 /* initialize terminal to a sane state */
649 NCURSES_SP_NAME(_nc_screen_init) (sp);
653 drv_init(TERMINAL_CONTROL_BLOCK * TCB)
660 trm = (TERMINAL *) TCB;
663 TCB->info.initcolor = initialize_color;
664 TCB->info.canchange = can_change;
665 TCB->info.hascolor = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
666 && (((set_foreground != NULL)
667 && (set_background != NULL))
668 || ((set_a_foreground != NULL)
669 && (set_a_background != NULL))
670 || set_color_pair)) ? TRUE : FALSE);
672 TCB->info.caninit = !(exit_ca_mode && non_rev_rmcup);
674 TCB->info.maxpairs = VALID_NUMERIC(max_pairs) ? max_pairs : 0;
675 TCB->info.maxcolors = VALID_NUMERIC(max_colors) ? max_colors : 0;
676 TCB->info.numlabels = VALID_NUMERIC(num_labels) ? num_labels : 0;
677 TCB->info.labelwidth = VALID_NUMERIC(label_width) ? label_width : 0;
678 TCB->info.labelheight = VALID_NUMERIC(label_height) ? label_height : 0;
679 TCB->info.nocolorvideo = VALID_NUMERIC(no_color_video) ? no_color_video
681 TCB->info.tabsize = VALID_NUMERIC(init_tabs) ? (int) init_tabs : 8;
683 TCB->info.defaultPalette = hue_lightness_saturation ? _nc_hls_palette : _nc_cga_palette;
686 * If an application calls setupterm() rather than initscr() or
687 * newterm(), we will not have the def_prog_mode() call in
688 * _nc_setupscreen(). Do it now anyway, so we can initialize the
691 if (isatty(trm->Filedes)) {
692 TCB->drv->mode(TCB, TRUE, TRUE);
696 #define MAX_PALETTE 8
697 #define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
700 drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, short pair, short f, short b)
707 if ((initialize_pair != NULL) && InPalette(f) && InPalette(b)) {
708 const color_t *tp = InfoOf(sp).defaultPalette;
711 ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
713 tp[f].red, tp[f].green, tp[f].blue,
714 tp[b].red, tp[b].green, tp[b].blue));
716 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
718 TPARM_7(initialize_pair,
720 tp[f].red, tp[f].green, tp[f].blue,
721 tp[b].red, tp[b].green, tp[b].blue));
726 default_fg(SCREEN *sp)
728 #if NCURSES_EXT_FUNCS
729 return (sp != 0) ? sp->_default_fg : COLOR_WHITE;
736 default_bg(SCREEN *sp)
738 #if NCURSES_EXT_FUNCS
739 return sp != 0 ? sp->_default_bg : COLOR_BLACK;
746 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
747 short color, short r, short g, short b)
749 SCREEN *sp = TCB->csp;
752 if (initialize_color != NULL) {
753 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
755 TPARM_4(initialize_color, color, r, g, b));
760 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
764 NCURSES_SP_OUTC outc)
766 SCREEN *sp = TCB->csp;
767 NCURSES_COLOR_T fg = COLOR_DEFAULT;
768 NCURSES_COLOR_T bg = COLOR_DEFAULT;
769 NCURSES_COLOR_T old_fg, old_bg;
775 if (pair < 0 || pair >= COLOR_PAIRS) {
777 } else if (pair != 0) {
778 if (set_color_pair) {
779 TPUTS_TRACE("set_color_pair");
780 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
781 TPARM_1(set_color_pair, pair), 1, outc);
783 } else if (sp != 0) {
784 NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
793 && NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
797 if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
798 || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
799 #if NCURSES_EXT_FUNCS
801 * A minor optimization - but extension. If "AX" is specified in
802 * the terminal description, treat it as screen's indicator of ECMA
803 * SGR 39 and SGR 49, and assume the two sequences are independent.
805 if (sp->_has_sgr_39_49
806 && isDefaultColor(old_bg)
807 && !isDefaultColor(old_fg)) {
808 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[39m", 1, outc);
809 } else if (sp->_has_sgr_39_49
810 && isDefaultColor(old_fg)
811 && !isDefaultColor(old_bg)) {
812 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[49m", 1, outc);
823 #if NCURSES_EXT_FUNCS
824 if (isDefaultColor(fg))
825 fg = (NCURSES_COLOR_T) default_fg(sp);
826 if (isDefaultColor(bg))
827 bg = (NCURSES_COLOR_T) default_bg(sp);
831 NCURSES_COLOR_T xx = fg;
836 TR(TRACE_ATTRS, ("setting colors: pair = %d, fg = %d, bg = %d", pair,
839 if (!isDefaultColor(fg)) {
840 drv_setcolor(TCB, TRUE, fg, outc);
842 if (!isDefaultColor(bg)) {
843 drv_setcolor(TCB, FALSE, bg, outc);
847 #define xterm_kmous "\033[M"
849 init_xterm_mouse(SCREEN *sp)
851 sp->_mouse_type = M_XTERM;
852 sp->_mouse_xtermcap = NCURSES_SP_NAME(tigetstr) (NCURSES_SP_ARGx "XM");
853 if (!VALID_STRING(sp->_mouse_xtermcap))
854 sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
858 drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
865 /* we know how to recognize mouse events under "xterm" */
867 if (key_mouse != 0) {
868 if (!strcmp(key_mouse, xterm_kmous)
869 || strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
870 init_xterm_mouse(sp);
872 } else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
873 if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
874 init_xterm_mouse(sp);
880 drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB, int yold, int xold, int ynew, int xnew)
882 SCREEN *sp = TCB->csp;
884 return TINFO_MVCUR(sp, yold, xold, ynew, xnew);
888 drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB, int labnum, char *text)
890 SCREEN *sp = TCB->csp;
893 if (labnum > 0 && labnum <= num_labels) {
894 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
896 TPARM_2(plab_norm, labnum, text));
901 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, bool OnFlag)
903 SCREEN *sp = TCB->csp;
907 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "label_on", label_on);
909 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "label_off", label_off);
914 drv_conattr(TERMINAL_CONTROL_BLOCK * TCB)
916 SCREEN *sp = TCB->csp;
917 chtype attrs = A_NORMAL;
920 if (enter_alt_charset_mode)
921 attrs |= A_ALTCHARSET;
923 if (enter_blink_mode)
932 if (enter_reverse_mode)
935 if (enter_standout_mode)
938 if (enter_protected_mode)
941 if (enter_secure_mode)
944 if (enter_underline_mode)
945 attrs |= A_UNDERLINE;
947 if (sp && sp->_coloron)
954 drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
959 cursor_down = parm_down_cursor = 0;
961 cursor_up = parm_up_cursor = 0;
963 cursor_home = carriage_return;
967 drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
969 SCREEN *sp = TCB->csp;
973 if (ena_acs != NULL) {
974 NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "ena_acs", ena_acs);
976 #if NCURSES_EXT_FUNCS
978 * Linux console "supports" the "PC ROM" character set by the coincidence
979 * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
980 * no codepage support (see SCO Merge for an example). Outside of the
981 * values defined in acsc, there are no definitions for the "PC ROM"
982 * character set (assumed by some applications to be codepage 437), but we
983 * allow those applications to use those codepoints.
985 * test/blue.c uses this feature.
987 #define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
988 if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
989 PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
991 for (i = 1; i < ACS_LEN; ++i) {
992 if (real_map[i] == 0) {
994 if (real_map != fake_map) {
996 sp->_screen_acs_map[i] = TRUE;
1003 if (acs_chars != NULL) {
1005 size_t length = strlen(acs_chars);
1007 while (i + 1 < length) {
1008 if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
1009 real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
1011 sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
1017 /* Show the equivalent mapping, noting if it does not match the
1018 * given attribute, whether by re-ordering or duplication.
1020 if (USE_TRACEF(TRACE_CALLS)) {
1022 char show[ACS_LEN * 2 + 1];
1023 for (n = 1, m = 0; n < ACS_LEN; n++) {
1024 if (real_map[n] != 0) {
1025 show[m++] = (char) n;
1026 show[m++] = (char) ChCharOf(real_map[n]);
1030 if (acs_chars == NULL || strcmp(acs_chars, show))
1031 _tracef("%s acs_chars %s",
1032 (acs_chars == NULL) ? "NULL" : "READ",
1033 _nc_visbuf(acs_chars));
1034 _tracef("%s acs_chars %s",
1037 : (strcmp(acs_chars, show)
1042 _nc_unlock_global(tracef);
1047 #define ENSURE_TINFO(sp) (TCBOf(sp)->drv->isTerminfo)
1049 NCURSES_EXPORT(void)
1050 _nc_cookie_init(SCREEN *sp)
1052 bool support_cookies = USE_XMC_SUPPORT;
1053 TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) (sp->_term);
1055 if (sp == 0 || !ENSURE_TINFO(sp))
1060 * If we have no magic-cookie support compiled-in, or if it is suppressed
1061 * in the environment, reset the support-flag.
1063 if (magic_cookie_glitch >= 0) {
1064 if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
1065 support_cookies = FALSE;
1070 if (!support_cookies && magic_cookie_glitch >= 0) {
1071 T(("will disable attributes to work w/o magic cookies"));
1074 if (magic_cookie_glitch > 0) { /* tvi, wyse */
1076 sp->_xmc_triggers = sp->_ok_attributes & (
1088 * We "should" treat colors as an attribute. The wyse350 (and its
1089 * clones) appear to be the only ones that have both colors and magic
1093 sp->_xmc_triggers |= A_COLOR;
1096 sp->_xmc_suppress = sp->_xmc_triggers & (chtype) ~(A_BOLD);
1098 T(("magic cookie attributes %s", _traceattr(sp->_xmc_suppress)));
1100 * Supporting line-drawing may be possible. But make the regular
1101 * video attributes work first.
1103 acs_chars = ABSENT_STRING;
1104 ena_acs = ABSENT_STRING;
1105 enter_alt_charset_mode = ABSENT_STRING;
1106 exit_alt_charset_mode = ABSENT_STRING;
1109 * To keep the cookie support simple, suppress all of the optimization
1110 * hooks except for clear_screen and the cursor addressing.
1112 if (support_cookies) {
1113 clr_eol = ABSENT_STRING;
1114 clr_eos = ABSENT_STRING;
1115 set_attributes = ABSENT_STRING;
1118 } else if (magic_cookie_glitch == 0) { /* hpterm */
1122 * If magic cookies are not supported, cancel the strings that set
1125 if (!support_cookies && magic_cookie_glitch >= 0) {
1126 magic_cookie_glitch = ABSENT_NUMERIC;
1127 set_attributes = ABSENT_STRING;
1128 enter_blink_mode = ABSENT_STRING;
1129 enter_bold_mode = ABSENT_STRING;
1130 enter_dim_mode = ABSENT_STRING;
1131 enter_reverse_mode = ABSENT_STRING;
1132 enter_standout_mode = ABSENT_STRING;
1133 enter_underline_mode = ABSENT_STRING;
1136 /* initialize normal acs before wide, since we use mapping in the latter */
1137 #if !USE_WIDEC_SUPPORT
1138 if (_nc_unicode_locale() && _nc_locale_breaks_acs(sp->_term)) {
1141 enter_alt_charset_mode = NULL;
1142 exit_alt_charset_mode = NULL;
1143 set_attributes = NULL;
1149 drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
1153 EVENTLIST_2nd(_nc_eventlist * evl))
1160 return _nc_timed_wait(sp, mode, milliseconds, timeleft EVENTLIST_2nd(evl));
1164 drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
1167 unsigned char c2 = 0;
1174 n = read(sp->_ifd, &c2, 1);
1180 drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
1184 struct timespec request, remaining;
1185 request.tv_sec = ms / 1000;
1186 request.tv_nsec = (ms % 1000) * 1000000;
1187 while (nanosleep(&request, &remaining) == -1
1188 && errno == EINTR) {
1189 request = remaining;
1193 _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
1199 __nc_putp(SCREEN *sp, const char *name GCC_UNUSED, const char *value)
1204 rc = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx name, value);
1210 __nc_putp_flush(SCREEN *sp, const char *name, const char *value)
1212 int rc = __nc_putp(sp, name, value);
1214 NCURSES_SP_NAME(_nc_flush) (sp);
1220 drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, bool flag)
1231 (void) __nc_putp_flush(sp, "keypad_xmit", keypad_xmit);
1232 } else if (!flag && keypad_local) {
1233 (void) __nc_putp_flush(sp, "keypad_local", keypad_local);
1235 if (flag && !sp->_tried) {
1236 _nc_init_keytry(sp);
1246 drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, bool flag)
1257 unsigned ch = (unsigned) c;
1259 while ((s = _nc_expand_try(sp->_key_ok, ch, &count, 0)) != 0
1260 && _nc_remove_key(&(sp->_key_ok), ch)) {
1261 code = _nc_add_to_try(&(sp->_keytry), s, ch);
1268 while ((s = _nc_expand_try(sp->_keytry, ch, &count, 0)) != 0
1269 && _nc_remove_key(&(sp->_keytry), ch)) {
1270 code = _nc_add_to_try(&(sp->_key_ok), s, ch);
1282 drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
1288 res = TINFO_HAS_KEY(TCB->csp, key) == 0 ? FALSE : TRUE;
1293 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
1295 drv_CanHandle, /* CanHandle */
1296 drv_init, /* init */
1297 drv_release, /* release */
1298 drv_size, /* size */
1299 drv_sgmode, /* sgmode */
1300 drv_conattr, /* conattr */
1301 drv_mvcur, /* hwcur */
1302 drv_mode, /* mode */
1303 drv_rescol, /* rescol */
1304 drv_rescolors, /* rescolors */
1305 drv_setcolor, /* color */
1306 drv_dobeepflash, /* doBeepOrFlash */
1307 drv_initpair, /* initpair */
1308 drv_initcolor, /* initcolor */
1309 drv_do_color, /* docolor */
1310 drv_initmouse, /* initmouse */
1311 drv_setfilter, /* setfilter */
1312 drv_hwlabel, /* hwlabel */
1313 drv_hwlabelOnOff, /* hwlabelOnOff */
1314 drv_doupdate, /* update */
1315 drv_defaultcolors, /* defaultcolors */
1316 drv_print, /* print */
1317 drv_getsize, /* getsize */
1318 drv_setsize, /* setsize */
1319 drv_initacs, /* initacs */
1320 drv_screen_init, /* scinit */
1321 drv_wrap, /* scexit */
1322 drv_twait, /* twait */
1323 drv_read, /* read */
1325 drv_kpad, /* kpad */
1326 drv_keyok, /* kyOk */
1327 drv_kyExist /* kyExist */