1 /****************************************************************************
2 * Copyright (c) 2008-2016,2017 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 *
31 * and: Thomas E. Dickey *
32 ****************************************************************************/
34 #include <curses.priv.h>
35 #define CUR TerminalType((TERMINAL*)TCB).
37 #include <termcap.h> /* ospeed */
42 #include <sys/time.h> /* needed for MacOS X DP3 */
47 # if !defined(sun) || !TERMIOS
49 # include <sys/ioctl.h>
54 MODULE_ID("$Id: tinfo_driver.c,v 1.51 2017/04/14 08:19:49 tom Exp $")
57 * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
58 * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
61 # define IOCTL_WINSIZE TIOCGSIZE
62 # define STRUCT_WINSIZE struct ttysize
63 # define WINSIZE_ROWS(n) (int)n.ts_lines
64 # define WINSIZE_COLS(n) (int)n.ts_cols
67 # define IOCTL_WINSIZE TIOCGWINSZ
68 # define STRUCT_WINSIZE struct winsize
69 # define WINSIZE_ROWS(n) (int)n.ws_row
70 # define WINSIZE_COLS(n) (int)n.ws_col
75 * These should be screen structure members. They need to be globals for
76 * historical reasons. So we assign them in start_color() and also in
77 * set_term()'s screen-switching logic.
81 NCURSES_PUBLIC_VAR(COLOR_PAIRS) (void)
83 return CURRENT_SCREEN ? CURRENT_SCREEN->_pair_count : -1;
86 NCURSES_PUBLIC_VAR(COLORS) (void)
88 return CURRENT_SCREEN ? CURRENT_SCREEN->_color_count : -1;
91 NCURSES_EXPORT_VAR(int) COLOR_PAIRS = 0;
92 NCURSES_EXPORT_VAR(int) COLORS = 0;
95 #define TCBMAGIC NCDRV_MAGIC(NCDRV_TINFO)
96 #define AssertTCB() assert(TCB!=0 && TCB->magic==TCBMAGIC)
97 #define SetSP() assert(TCB->csp!=0); sp = TCB->csp; (void) sp
100 * This routine needs to do all the work to make curscr look
104 drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
107 return TINFO_DOUPDATE(TCB->csp);
111 drv_Name(TERMINAL_CONTROL_BLOCK * TCB)
118 get_baudrate(TERMINAL *termp)
122 if (GET_TTY(termp->Filedes, &termp->Nttyb) == OK) {
124 termp->Nttyb.c_oflag &= (unsigned) (~OFLAGS_TABS);
126 termp->Nttyb.sg_flags &= (unsigned) (~XTABS);
130 result = (int) cfgetospeed(&(termp->Nttyb));
131 my_ospeed = (NCURSES_OSPEED) _nc_ospeed(result);
132 #else /* !USE_OLD_TTY */
134 my_ospeed = (NCURSES_OSPEED) cfgetospeed(&(termp->Nttyb));
136 my_ospeed = (NCURSES_OSPEED) termp->Nttyb.sg_ospeed;
138 result = _nc_baudrate(my_ospeed);
140 termp->_baudrate = result;
141 ospeed = (NCURSES_OSPEED) my_ospeed;
145 #define SETUP_FAIL FALSE
148 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
156 T((T_CALLED("tinfo::drv_CanHandle(%p)"), (void *) TCB));
158 assert(TCB != 0 && tname != 0);
159 termp = (TERMINAL *) TCB;
161 TCB->magic = TCBMAGIC;
163 #if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
164 status = _nc_setup_tinfo(tname, &TerminalType(termp));
169 /* try fallback list if entry on disk */
170 if (status != TGETENT_YES) {
171 const TERMTYPE2 *fallback = _nc_fallback2(tname);
174 TerminalType(termp) = *fallback;
175 status = TGETENT_YES;
179 if (status != TGETENT_YES) {
180 NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx termp);
181 if (status == TGETENT_ERR) {
182 ret_error0(status, "terminals database is inaccessible\n");
183 } else if (status == TGETENT_NO) {
184 ret_error1(status, "unknown terminal type.\n", tname);
188 #if NCURSES_EXT_NUMBERS
189 _nc_export_termtype2(&termp->type, &TerminalType(termp));
192 #define MY_SIZE (size_t) NAMESIZE - 1
193 _nc_STRNCPY(ttytype, termp->type.term_names, MY_SIZE);
194 ttytype[MY_SIZE] = '\0';
197 if (command_character)
198 _nc_tinfo_cmdch(termp, *command_character);
201 * If an application calls setupterm() rather than initscr() or
202 * newterm(), we will not have the def_prog_mode() call in
203 * _nc_setupscreen(). Do it now anyway, so we can initialize the
206 if (sp == 0 && NC_ISATTY(termp->Filedes)) {
212 * BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
213 * check before giving up.
215 if ((VALID_STRING(cursor_address)
216 || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
217 && VALID_STRING(clear_screen)) {
218 ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
220 ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
224 ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
231 drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, int beepFlag)
239 /* FIXME: should make sure that we are not in altchar mode */
242 res = NCURSES_PUTP2("bell", bell);
243 NCURSES_SP_NAME(_nc_flush) (sp);
244 } else if (flash_screen) {
245 res = NCURSES_PUTP2("flash_screen", flash_screen);
246 NCURSES_SP_NAME(_nc_flush) (sp);
250 res = NCURSES_PUTP2("flash_screen", flash_screen);
251 NCURSES_SP_NAME(_nc_flush) (sp);
253 res = NCURSES_PUTP2("bell", bell);
254 NCURSES_SP_NAME(_nc_flush) (sp);
261 * SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
262 * to maintain compatibility with a pre-ANSI scheme. The same scheme is
263 * also used in the FreeBSD syscons.
266 toggled_colors(int c)
269 static const int table[] =
270 {0, 4, 2, 6, 1, 5, 3, 7,
271 8, 12, 10, 14, 9, 13, 11, 15};
278 drv_print(TERMINAL_CONTROL_BLOCK * TCB, char *data, int len)
284 #if NCURSES_EXT_FUNCS
285 return NCURSES_SP_NAME(mcprint) (TCB->csp, data, len);
292 drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
300 if (sp != 0 && orig_pair && orig_colors && (initialize_pair != 0)) {
301 #if NCURSES_EXT_FUNCS
302 sp->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
303 sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
306 sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : fg;
307 sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : bg;
308 if (sp->_color_pairs != 0) {
309 bool save = sp->_default_color;
310 sp->_default_color = TRUE;
311 NCURSES_SP_NAME(init_pair) (NCURSES_SP_ARGx
315 sp->_default_color = save;
324 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
327 NCURSES_SP_OUTC outc)
335 if (set_a_foreground) {
336 TPUTS_TRACE("set_a_foreground");
337 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
338 TPARM_1(set_a_foreground, color), 1, outc);
340 TPUTS_TRACE("set_foreground");
341 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
342 TPARM_1(set_foreground,
343 toggled_colors(color)), 1, outc);
346 if (set_a_background) {
347 TPUTS_TRACE("set_a_background");
348 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
349 TPARM_1(set_a_background, color), 1, outc);
351 TPUTS_TRACE("set_background");
352 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
353 TPARM_1(set_background,
354 toggled_colors(color)), 1, outc);
360 drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
368 if (orig_pair != 0) {
369 NCURSES_PUTP2("orig_pair", orig_pair);
376 drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
384 if (orig_colors != 0) {
385 NCURSES_PUTP2("orig_colors", orig_colors);
392 drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
396 bool useTioctl = TRUE;
399 sp = TCB->csp; /* can be null here */
402 useEnv = sp->_use_env;
403 useTioctl = sp->use_tioctl;
405 useEnv = _nc_prescreen.use_env;
406 useTioctl = _nc_prescreen.use_tioctl;
409 /* figure out the size of the screen */
410 T(("screen size: terminfo lines = %d columns = %d", lines, columns));
412 *linep = (int) lines;
413 *colp = (int) columns;
415 if (useEnv || useTioctl) {
421 _scrsize(screendata);
422 *colp = screendata[0];
423 *linep = ((sp != 0 && sp->_filtered)
426 T(("EMX screen size: environment LINES = %d COLUMNS = %d",
431 /* try asking the OS */
433 TERMINAL *termp = (TERMINAL *) TCB;
434 if (NC_ISATTY(termp->Filedes)) {
439 if (ioctl(termp->Filedes, IOCTL_WINSIZE, &size) >= 0) {
440 *linep = ((sp != 0 && sp->_filtered)
442 : WINSIZE_ROWS(size));
443 *colp = WINSIZE_COLS(size);
444 T(("SYS screen size: environment LINES = %d COLUMNS = %d",
452 #endif /* HAVE_SIZECHANGE */
457 * If environment variables are used, update them.
459 if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
460 _nc_setenv_num("LINES", *linep);
462 if (_nc_getenv_num("COLUMNS") > 0) {
463 _nc_setenv_num("COLUMNS", *colp);
468 * Finally, look for environment variables.
470 * Solaris lets users override either dimension with an environment
473 if ((value = _nc_getenv_num("LINES")) > 0) {
475 T(("screen size: environment LINES = %d", *linep));
477 if ((value = _nc_getenv_num("COLUMNS")) > 0) {
479 T(("screen size: environment COLUMNS = %d", *colp));
483 /* if we can't get dynamic info about the size, use static */
485 *linep = (int) lines;
488 *colp = (int) columns;
491 /* the ultimate fallback, assume fixed 24x80 size */
500 * Put the derived values back in the screen-size caps, so
501 * tigetnum() and tgetnum() will do the right thing.
503 lines = (short) (*linep);
504 columns = (short) (*colp);
507 T(("screen size is %dx%d", *linep, *colp));
512 drv_getsize(TERMINAL_CONTROL_BLOCK * TCB, int *l, int *c)
515 assert(l != 0 && c != 0);
522 drv_setsize(TERMINAL_CONTROL_BLOCK * TCB, int l, int c)
531 drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
533 SCREEN *sp = TCB->csp;
534 TERMINAL *_term = (TERMINAL *) TCB;
540 if (SET_TTY(_term->Filedes, buf) != 0) {
543 if (errno == ENOTTY) {
553 if (GET_TTY(_term->Filedes, buf) != 0) {
565 drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
568 TERMINAL *_term = (TERMINAL *) TCB;
574 if (progFlag) /* prog mode */
579 * Turn off the XTABS bit in the tty structure if it was on.
581 if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
583 _term->Nttyb.c_oflag &= (unsigned) ~OFLAGS_TABS;
585 _term->Nttyb.sg_flags &= (unsigned) ~XTABS;
590 /* reset_prog_mode */
591 if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
594 _nc_keypad(sp, TRUE);
599 } else { /* shell mode */
603 * If XTABS was on, remove the tab and backtab capabilities.
605 if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
607 if (_term->Ottyb.c_oflag & OFLAGS_TABS)
608 tab = back_tab = NULL;
610 if (_term->Ottyb.sg_flags & XTABS)
611 tab = back_tab = NULL;
616 /* reset_shell_mode */
618 _nc_keypad(sp, FALSE);
619 NCURSES_SP_NAME(_nc_flush) (sp);
621 code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
632 NCURSES_SP_NAME(_nc_screen_wrap) (sp);
633 NCURSES_SP_NAME(_nc_mvcur_wrap) (sp); /* wrap up cursor addressing */
638 drv_release(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
642 # define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
645 drv_screen_init(SCREEN *sp)
647 TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
652 * Check for mismatched graphic-rendition capabilities. Most SVr4
653 * terminfo trees contain entries that have rmul or rmso equated to
654 * sgr0 (Solaris curses copes with those entries). We do this only
655 * for curses, since many termcap applications assume that
656 * smso/rmso and smul/rmul are paired, and will not function
657 * properly if we remove rmso or rmul. Curses applications
658 * shouldn't be looking at this detail.
660 sp->_use_rmso = SGR0_TEST(exit_standout_mode);
661 sp->_use_rmul = SGR0_TEST(exit_underline_mode);
664 * Check whether we can optimize scrolling under dumb terminals in
665 * case we do not have any of these capabilities, scrolling
666 * optimization will be useless.
668 sp->_scrolling = ((scroll_forward && scroll_reverse) ||
676 NCURSES_SP_NAME(baudrate) (sp);
678 NCURSES_SP_NAME(_nc_mvcur_init) (sp);
679 /* initialize terminal to a sane state */
680 NCURSES_SP_NAME(_nc_screen_init) (sp);
684 drv_init(TERMINAL_CONTROL_BLOCK * TCB)
690 trm = (TERMINAL *) TCB;
692 TCB->info.initcolor = VALID_STRING(initialize_color);
693 TCB->info.canchange = can_change;
694 TCB->info.hascolor = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
695 && (((set_foreground != NULL)
696 && (set_background != NULL))
697 || ((set_a_foreground != NULL)
698 && (set_a_background != NULL))
699 || set_color_pair)) ? TRUE : FALSE);
701 TCB->info.caninit = !(exit_ca_mode && non_rev_rmcup);
703 TCB->info.maxpairs = VALID_NUMERIC(max_pairs) ? max_pairs : 0;
704 TCB->info.maxcolors = VALID_NUMERIC(max_colors) ? max_colors : 0;
705 TCB->info.numlabels = VALID_NUMERIC(num_labels) ? num_labels : 0;
706 TCB->info.labelwidth = VALID_NUMERIC(label_width) ? label_width : 0;
707 TCB->info.labelheight = VALID_NUMERIC(label_height) ? label_height : 0;
708 TCB->info.nocolorvideo = VALID_NUMERIC(no_color_video) ? no_color_video
710 TCB->info.tabsize = VALID_NUMERIC(init_tabs) ? (int) init_tabs : 8;
712 TCB->info.defaultPalette = hue_lightness_saturation ? _nc_hls_palette : _nc_cga_palette;
715 * If an application calls setupterm() rather than initscr() or
716 * newterm(), we will not have the def_prog_mode() call in
717 * _nc_setupscreen(). Do it now anyway, so we can initialize the
720 if (NC_ISATTY(trm->Filedes)) {
721 TCB->drv->td_mode(TCB, TRUE, TRUE);
725 #define MAX_PALETTE 8
726 #define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
729 drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, int pair, int f, int b)
736 if ((initialize_pair != NULL) && InPalette(f) && InPalette(b)) {
737 const color_t *tp = InfoOf(sp).defaultPalette;
740 ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
742 tp[f].red, tp[f].green, tp[f].blue,
743 tp[b].red, tp[b].green, tp[b].blue));
745 NCURSES_PUTP2("initialize_pair",
746 TPARM_7(initialize_pair,
748 tp[f].red, tp[f].green, tp[f].blue,
749 tp[b].red, tp[b].green, tp[b].blue));
754 default_fg(SCREEN *sp)
756 #if NCURSES_EXT_FUNCS
757 return (sp != 0) ? sp->_default_fg : COLOR_WHITE;
764 default_bg(SCREEN *sp)
766 #if NCURSES_EXT_FUNCS
767 return sp != 0 ? sp->_default_bg : COLOR_BLACK;
774 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
775 int color, int r, int g, int b)
777 SCREEN *sp = TCB->csp;
780 if (initialize_color != NULL) {
781 NCURSES_PUTP2("initialize_color",
782 TPARM_4(initialize_color, color, r, g, b));
787 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
791 NCURSES_SP_OUTC outc)
793 SCREEN *sp = TCB->csp;
794 int fg = COLOR_DEFAULT;
795 int bg = COLOR_DEFAULT;
802 if (pair < 0 || pair >= COLOR_PAIRS) {
804 } else if (pair != 0) {
805 if (set_color_pair) {
806 TPUTS_TRACE("set_color_pair");
807 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
808 TPARM_1(set_color_pair, pair), 1, outc);
810 } else if (sp != 0) {
811 _nc_pair_content(SP_PARM, pair, &fg, &bg);
817 && _nc_pair_content(SP_PARM, old_pair, &old_fg, &old_bg) != ERR) {
818 if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
819 || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
820 #if NCURSES_EXT_FUNCS
822 * A minor optimization - but extension. If "AX" is specified in
823 * the terminal description, treat it as screen's indicator of ECMA
824 * SGR 39 and SGR 49, and assume the two sequences are independent.
826 if (sp->_has_sgr_39_49
827 && isDefaultColor(old_bg)
828 && !isDefaultColor(old_fg)) {
829 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[39m", 1, outc);
830 } else if (sp->_has_sgr_39_49
831 && isDefaultColor(old_fg)
832 && !isDefaultColor(old_bg)) {
833 NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[49m", 1, outc);
844 #if NCURSES_EXT_FUNCS
845 if (isDefaultColor(fg))
847 if (isDefaultColor(bg))
857 TR(TRACE_ATTRS, ("setting colors: pair = %d, fg = %d, bg = %d", pair,
860 if (!isDefaultColor(fg)) {
861 drv_setcolor(TCB, TRUE, fg, outc);
863 if (!isDefaultColor(bg)) {
864 drv_setcolor(TCB, FALSE, bg, outc);
868 #define xterm_kmous "\033[M"
870 init_xterm_mouse(SCREEN *sp)
872 sp->_mouse_type = M_XTERM;
873 sp->_mouse_xtermcap = NCURSES_SP_NAME(tigetstr) (NCURSES_SP_ARGx "XM");
874 if (!VALID_STRING(sp->_mouse_xtermcap))
875 sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
879 drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
886 /* we know how to recognize mouse events under "xterm" */
888 if (key_mouse != 0) {
889 if (!strcmp(key_mouse, xterm_kmous)
890 || strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
891 init_xterm_mouse(sp);
893 } else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
894 if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
895 init_xterm_mouse(sp);
901 drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
903 EVENTLIST_2nd(_nc_eventlist * evl))
912 if ((sp->_mouse_type == M_SYSMOUSE)
913 && (sp->_sysmouse_head < sp->_sysmouse_tail)) {
918 rc = TCBOf(sp)->drv->td_twait(TCBOf(sp),
924 if ((sp->_mouse_type == M_SYSMOUSE)
925 && (sp->_sysmouse_head < sp->_sysmouse_tail)
927 && (errno == EINTR)) {
936 drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB, int yold, int xold, int ynew, int xnew)
938 SCREEN *sp = TCB->csp;
940 return NCURSES_SP_NAME(_nc_mvcur) (sp, yold, xold, ynew, xnew);
944 drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB, int labnum, char *text)
946 SCREEN *sp = TCB->csp;
949 if (labnum > 0 && labnum <= num_labels) {
950 NCURSES_PUTP2("plab_norm",
951 TPARM_2(plab_norm, labnum, text));
956 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, int OnFlag)
958 SCREEN *sp = TCB->csp;
962 NCURSES_PUTP2("label_on", label_on);
964 NCURSES_PUTP2("label_off", label_off);
969 drv_conattr(TERMINAL_CONTROL_BLOCK * TCB)
971 SCREEN *sp = TCB->csp;
972 chtype attrs = A_NORMAL;
975 if (enter_alt_charset_mode)
976 attrs |= A_ALTCHARSET;
978 if (enter_blink_mode)
987 if (enter_reverse_mode)
990 if (enter_standout_mode)
993 if (enter_protected_mode)
996 if (enter_secure_mode)
999 if (enter_underline_mode)
1000 attrs |= A_UNDERLINE;
1002 if (sp && sp->_coloron)
1006 if (enter_italics_mode)
1014 drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
1019 cursor_down = parm_down_cursor = 0;
1021 cursor_up = parm_up_cursor = 0;
1023 cursor_home = carriage_return;
1027 drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
1029 SCREEN *sp = TCB->csp;
1033 if (ena_acs != NULL) {
1034 NCURSES_PUTP2("ena_acs", ena_acs);
1036 #if NCURSES_EXT_FUNCS
1038 * Linux console "supports" the "PC ROM" character set by the coincidence
1039 * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
1040 * no codepage support (see SCO Merge for an example). Outside of the
1041 * values defined in acsc, there are no definitions for the "PC ROM"
1042 * character set (assumed by some applications to be codepage 437), but we
1043 * allow those applications to use those codepoints.
1045 * test/blue.c uses this feature.
1047 #define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
1048 if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) &&
1049 PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) {
1051 for (i = 1; i < ACS_LEN; ++i) {
1052 if (real_map[i] == 0) {
1053 real_map[i] = (chtype) i;
1054 if (real_map != fake_map) {
1056 sp->_screen_acs_map[i] = TRUE;
1063 if (acs_chars != NULL) {
1065 size_t length = strlen(acs_chars);
1067 while (i + 1 < length) {
1068 if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
1069 real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
1071 sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
1077 /* Show the equivalent mapping, noting if it does not match the
1078 * given attribute, whether by re-ordering or duplication.
1080 if (USE_TRACEF(TRACE_CALLS)) {
1082 char show[ACS_LEN * 2 + 1];
1083 for (n = 1, m = 0; n < ACS_LEN; n++) {
1084 if (real_map[n] != 0) {
1085 show[m++] = (char) n;
1086 show[m++] = (char) ChCharOf(real_map[n]);
1090 if (acs_chars == NULL || strcmp(acs_chars, show))
1091 _tracef("%s acs_chars %s",
1092 (acs_chars == NULL) ? "NULL" : "READ",
1093 _nc_visbuf(acs_chars));
1094 _tracef("%s acs_chars %s",
1097 : (strcmp(acs_chars, show)
1102 _nc_unlock_global(tracef);
1107 #define ENSURE_TINFO(sp) (TCBOf(sp)->drv->isTerminfo)
1109 NCURSES_EXPORT(void)
1110 _nc_cookie_init(SCREEN *sp)
1112 bool support_cookies = USE_XMC_SUPPORT;
1113 TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) (sp->_term);
1115 if (sp == 0 || !ENSURE_TINFO(sp))
1120 * If we have no magic-cookie support compiled-in, or if it is suppressed
1121 * in the environment, reset the support-flag.
1123 if (magic_cookie_glitch >= 0) {
1124 if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
1125 support_cookies = FALSE;
1130 if (!support_cookies && magic_cookie_glitch >= 0) {
1131 T(("will disable attributes to work w/o magic cookies"));
1134 if (magic_cookie_glitch > 0) { /* tvi, wyse */
1136 sp->_xmc_triggers = sp->_ok_attributes & XMC_CONFLICT;
1139 * We "should" treat colors as an attribute. The wyse350 (and its
1140 * clones) appear to be the only ones that have both colors and magic
1144 sp->_xmc_triggers |= A_COLOR;
1147 sp->_xmc_suppress = sp->_xmc_triggers & (chtype) ~(A_BOLD);
1149 T(("magic cookie attributes %s", _traceattr(sp->_xmc_suppress)));
1151 * Supporting line-drawing may be possible. But make the regular
1152 * video attributes work first.
1154 acs_chars = ABSENT_STRING;
1155 ena_acs = ABSENT_STRING;
1156 enter_alt_charset_mode = ABSENT_STRING;
1157 exit_alt_charset_mode = ABSENT_STRING;
1160 * To keep the cookie support simple, suppress all of the optimization
1161 * hooks except for clear_screen and the cursor addressing.
1163 if (support_cookies) {
1164 clr_eol = ABSENT_STRING;
1165 clr_eos = ABSENT_STRING;
1166 set_attributes = ABSENT_STRING;
1169 } else if (magic_cookie_glitch == 0) { /* hpterm */
1173 * If magic cookies are not supported, cancel the strings that set
1176 if (!support_cookies && magic_cookie_glitch >= 0) {
1177 magic_cookie_glitch = ABSENT_NUMERIC;
1178 set_attributes = ABSENT_STRING;
1179 enter_blink_mode = ABSENT_STRING;
1180 enter_bold_mode = ABSENT_STRING;
1181 enter_dim_mode = ABSENT_STRING;
1182 enter_reverse_mode = ABSENT_STRING;
1183 enter_standout_mode = ABSENT_STRING;
1184 enter_underline_mode = ABSENT_STRING;
1187 /* initialize normal acs before wide, since we use mapping in the latter */
1188 #if !USE_WIDEC_SUPPORT
1189 if (_nc_unicode_locale() && _nc_locale_breaks_acs(sp->_term)) {
1192 enter_alt_charset_mode = NULL;
1193 exit_alt_charset_mode = NULL;
1194 set_attributes = NULL;
1200 drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
1204 EVENTLIST_2nd(_nc_eventlist * evl))
1211 return _nc_timed_wait(sp, mode, milliseconds, timeleft EVENTLIST_2nd(evl));
1215 drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
1218 unsigned char c2 = 0;
1225 # if USE_PTHREADS_EINTR
1226 if ((pthread_self) && (pthread_kill) && (pthread_equal))
1227 _nc_globals.read_thread = pthread_self();
1229 n = (int) read(sp->_ifd, &c2, (size_t) 1);
1230 #if USE_PTHREADS_EINTR
1231 _nc_globals.read_thread = 0;
1238 drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
1242 struct timespec request, remaining;
1243 request.tv_sec = ms / 1000;
1244 request.tv_nsec = (ms % 1000) * 1000000;
1245 while (nanosleep(&request, &remaining) == -1
1246 && errno == EINTR) {
1247 request = remaining;
1251 _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
1257 __nc_putp(SCREEN *sp, const char *name GCC_UNUSED, const char *value)
1262 rc = NCURSES_PUTP2(name, value);
1268 __nc_putp_flush(SCREEN *sp, const char *name, const char *value)
1270 int rc = __nc_putp(sp, name, value);
1272 NCURSES_SP_NAME(_nc_flush) (sp);
1278 drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag)
1289 (void) __nc_putp_flush(sp, "keypad_xmit", keypad_xmit);
1290 } else if (!flag && keypad_local) {
1291 (void) __nc_putp_flush(sp, "keypad_local", keypad_local);
1293 if (flag && !sp->_tried) {
1294 _nc_init_keytry(sp);
1304 drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, int flag)
1315 unsigned ch = (unsigned) c;
1317 while ((s = _nc_expand_try(sp->_key_ok,
1318 ch, &count, (size_t) 0)) != 0
1319 && _nc_remove_key(&(sp->_key_ok), ch)) {
1320 code = _nc_add_to_try(&(sp->_keytry), s, ch);
1327 while ((s = _nc_expand_try(sp->_keytry,
1328 ch, &count, (size_t) 0)) != 0
1329 && _nc_remove_key(&(sp->_keytry), ch)) {
1330 code = _nc_add_to_try(&(sp->_key_ok), s, ch);
1342 drv_cursorSet(TERMINAL_CONTROL_BLOCK * TCB, int vis)
1350 T((T_CALLED("tinfo:drv_cursorSet(%p,%d)"), (void *) SP_PARM, vis));
1352 if (SP_PARM != 0 && IsTermInfo(SP_PARM)) {
1355 code = NCURSES_PUTP2_FLUSH("cursor_visible", cursor_visible);
1358 code = NCURSES_PUTP2_FLUSH("cursor_normal", cursor_normal);
1361 code = NCURSES_PUTP2_FLUSH("cursor_invisible", cursor_invisible);
1371 drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
1377 res = TINFO_HAS_KEY(TCB->csp, key) == 0 ? FALSE : TRUE;
1382 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
1384 drv_Name, /* Name */
1385 drv_CanHandle, /* CanHandle */
1386 drv_init, /* init */
1387 drv_release, /* release */
1388 drv_size, /* size */
1389 drv_sgmode, /* sgmode */
1390 drv_conattr, /* conattr */
1391 drv_mvcur, /* hwcur */
1392 drv_mode, /* mode */
1393 drv_rescol, /* rescol */
1394 drv_rescolors, /* rescolors */
1395 drv_setcolor, /* color */
1396 drv_dobeepflash, /* doBeepOrFlash */
1397 drv_initpair, /* initpair */
1398 drv_initcolor, /* initcolor */
1399 drv_do_color, /* docolor */
1400 drv_initmouse, /* initmouse */
1401 drv_testmouse, /* testmouse */
1402 drv_setfilter, /* setfilter */
1403 drv_hwlabel, /* hwlabel */
1404 drv_hwlabelOnOff, /* hwlabelOnOff */
1405 drv_doupdate, /* update */
1406 drv_defaultcolors, /* defaultcolors */
1407 drv_print, /* print */
1408 drv_getsize, /* getsize */
1409 drv_setsize, /* setsize */
1410 drv_initacs, /* initacs */
1411 drv_screen_init, /* scinit */
1412 drv_wrap, /* scexit */
1413 drv_twait, /* twait */
1414 drv_read, /* read */
1416 drv_kpad, /* kpad */
1417 drv_keyok, /* kyOk */
1418 drv_kyExist, /* kyExist */
1419 drv_cursorSet /* cursorSet */