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 1.13 2010/12/20 01:47:09 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);\
126 drv_CanHandle(TERMINAL_CONTROL_BLOCK
* TCB
, const char *tname
, int *errret
)
133 assert(TCB
!= 0 && tname
!= 0);
134 termp
= (TERMINAL
*) TCB
;
136 TCB
->magic
= TCBMAGIC
;
138 #if (USE_DATABASE || USE_TERMCAP)
139 status
= _nc_setup_tinfo(tname
, &termp
->type
);
144 /* try fallback list if entry on disk */
145 if (status
!= TGETENT_YES
) {
146 const TERMTYPE
*fallback
= _nc_fallback(tname
);
149 termp
->type
= *fallback
;
150 status
= TGETENT_YES
;
154 if (status
!= TGETENT_YES
) {
155 NCURSES_SP_NAME(del_curterm
) (NCURSES_SP_ARGx termp
);
156 if (status
== TGETENT_ERR
) {
157 ret_error0(status
, "terminals database is inaccessible\n");
158 } else if (status
== TGETENT_NO
) {
159 ret_error(status
, "'%s': unknown terminal type.\n", tname
);
164 strncpy(ttytype
, termp
->type
.term_names
, NAMESIZE
- 1);
165 ttytype
[NAMESIZE
- 1] = '\0';
168 if (command_character
)
169 _nc_tinfo_cmdch(termp
, *command_character
);
172 ret_error(TGETENT_NO
, "'%s': I need something more specific.\n", tname
);
175 ret_error(TGETENT_YES
, "'%s': I can't handle hardcopy terminals.\n", tname
);
182 drv_dobeepflash(TERMINAL_CONTROL_BLOCK
* TCB
, bool beepFlag
)
190 /* FIXME: should make sure that we are not in altchar mode */
193 res
= NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"bell", bell
);
194 NCURSES_SP_NAME(_nc_flush
) (sp
);
195 } else if (flash_screen
) {
196 res
= NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
199 NCURSES_SP_NAME(_nc_flush
) (sp
);
203 res
= NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
206 NCURSES_SP_NAME(_nc_flush
) (sp
);
208 res
= NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"bell", bell
);
209 NCURSES_SP_NAME(_nc_flush
) (sp
);
216 * SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
217 * to maintain compatibility with a pre-ANSI scheme. The same scheme is
218 * also used in the FreeBSD syscons.
221 toggled_colors(int c
)
224 static const int table
[] =
225 {0, 4, 2, 6, 1, 5, 3, 7,
226 8, 12, 10, 14, 9, 13, 11, 15};
233 drv_print(TERMINAL_CONTROL_BLOCK
* TCB
, char *data
, int len
)
239 #if NCURSES_EXT_FUNCS
240 return NCURSES_SP_NAME(mcprint
) (TCB
->csp
, data
, len
);
247 drv_defaultcolors(TERMINAL_CONTROL_BLOCK
* TCB
, int fg
, int bg
)
255 if (sp
!= 0 && orig_pair
&& orig_colors
&& (initialize_pair
!= 0)) {
256 #if NCURSES_EXT_FUNCS
257 sp
->_default_color
= isDefaultColor(fg
) || isDefaultColor(bg
);
258 sp
->_has_sgr_39_49
= (NCURSES_SP_NAME(tigetflag
) (NCURSES_SP_ARGx
261 sp
->_default_fg
= isDefaultColor(fg
) ? COLOR_DEFAULT
: (fg
& C_MASK
);
262 sp
->_default_bg
= isDefaultColor(bg
) ? COLOR_DEFAULT
: (bg
& C_MASK
);
263 if (sp
->_color_pairs
!= 0) {
264 bool save
= sp
->_default_color
;
265 sp
->_default_color
= TRUE
;
266 NCURSES_SP_NAME(init_pair
) (NCURSES_SP_ARGx
270 sp
->_default_color
= save
;
279 drv_setcolor(TERMINAL_CONTROL_BLOCK
* TCB
,
282 NCURSES_SP_OUTC outc
)
290 if (set_a_foreground
) {
291 TPUTS_TRACE("set_a_foreground");
292 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
293 TPARM_1(set_a_foreground
, color
), 1, outc
);
295 TPUTS_TRACE("set_foreground");
296 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
297 TPARM_1(set_foreground
,
298 toggled_colors(color
)), 1, outc
);
301 if (set_a_background
) {
302 TPUTS_TRACE("set_a_background");
303 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
304 TPARM_1(set_a_background
, color
), 1, outc
);
306 TPUTS_TRACE("set_background");
307 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
308 TPARM_1(set_background
,
309 toggled_colors(color
)), 1, outc
);
315 drv_rescol(TERMINAL_CONTROL_BLOCK
* TCB
)
323 if (orig_pair
!= 0) {
324 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"orig_pair", orig_pair
);
331 drv_rescolors(TERMINAL_CONTROL_BLOCK
* TCB
)
339 if (orig_colors
!= 0) {
340 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"orig_colors", orig_colors
);
347 drv_size(TERMINAL_CONTROL_BLOCK
* TCB
, int *linep
, int *colp
)
353 sp
= TCB
->csp
; /* can be null here */
356 useEnv
= sp
->_use_env
;
358 useEnv
= _nc_prescreen
.use_env
;
360 /* figure out the size of the screen */
361 T(("screen size: terminfo lines = %d columns = %d", lines
, columns
));
363 *linep
= (int) lines
;
364 *colp
= (int) columns
;
372 _scrsize(screendata
);
373 *colp
= screendata
[0];
374 *linep
= screendata
[1];
375 T(("EMX screen size: environment LINES = %d COLUMNS = %d",
380 /* try asking the OS */
382 TERMINAL
*termp
= (TERMINAL
*) TCB
;
383 if (isatty(termp
->Filedes
)) {
388 if (ioctl(termp
->Filedes
, IOCTL_WINSIZE
, &size
) >= 0) {
389 *linep
= ((sp
!= 0 && sp
->_filtered
)
391 : WINSIZE_ROWS(size
));
392 *colp
= WINSIZE_COLS(size
);
393 T(("SYS screen size: environment LINES = %d COLUMNS = %d",
401 #endif /* HAVE_SIZECHANGE */
404 * Finally, look for environment variables.
406 * Solaris lets users override either dimension with an environment
409 if ((value
= _nc_getenv_num("LINES")) > 0) {
411 T(("screen size: environment LINES = %d", *linep
));
413 if ((value
= _nc_getenv_num("COLUMNS")) > 0) {
415 T(("screen size: environment COLUMNS = %d", *colp
));
418 /* if we can't get dynamic info about the size, use static */
420 *linep
= (int) lines
;
423 *colp
= (int) columns
;
426 /* the ultimate fallback, assume fixed 24x80 size */
435 * Put the derived values back in the screen-size caps, so
436 * tigetnum() and tgetnum() will do the right thing.
438 lines
= (short) (*linep
);
439 columns
= (short) (*colp
);
442 T(("screen size is %dx%d", *linep
, *colp
));
447 drv_getsize(TERMINAL_CONTROL_BLOCK
* TCB
, int *l
, int *c
)
450 assert(l
!= 0 && c
!= 0);
457 drv_setsize(TERMINAL_CONTROL_BLOCK
* TCB
, int l
, int c
)
466 drv_sgmode(TERMINAL_CONTROL_BLOCK
* TCB
, bool setFlag
, TTY
* buf
)
468 SCREEN
*sp
= TCB
->csp
;
469 TERMINAL
*_term
= (TERMINAL
*) TCB
;
475 if (SET_TTY(_term
->Filedes
, buf
) != 0) {
478 if (errno
== ENOTTY
) {
488 if (GET_TTY(_term
->Filedes
, buf
) != 0) {
500 drv_mode(TERMINAL_CONTROL_BLOCK
* TCB
, bool progFlag
, bool defFlag
)
503 TERMINAL
*_term
= (TERMINAL
*) TCB
;
509 if (progFlag
) /* prog mode */
514 * Turn off the XTABS bit in the tty structure if it was on.
516 if ((drv_sgmode(TCB
, FALSE
, &(_term
->Nttyb
)) == OK
)) {
518 _term
->Nttyb
.c_oflag
&= (unsigned) ~OFLAGS_TABS
;
520 _term
->Nttyb
.sg_flags
&= (unsigned) ~XTABS
;
525 /* reset_prog_mode */
526 if (drv_sgmode(TCB
, TRUE
, &(_term
->Nttyb
)) == OK
) {
529 _nc_keypad(sp
, TRUE
);
530 NC_BUFFERED(sp
, TRUE
);
535 } else { /* shell mode */
539 * If XTABS was on, remove the tab and backtab capabilities.
541 if (drv_sgmode(TCB
, FALSE
, &(_term
->Ottyb
)) == OK
) {
543 if (_term
->Ottyb
.c_oflag
& OFLAGS_TABS
)
544 tab
= back_tab
= NULL
;
546 if (_term
->Ottyb
.sg_flags
& XTABS
)
547 tab
= back_tab
= NULL
;
552 /* reset_shell_mode */
554 _nc_keypad(sp
, FALSE
);
555 NCURSES_SP_NAME(_nc_flush
) (sp
);
556 NC_BUFFERED(sp
, FALSE
);
558 code
= drv_sgmode(TCB
, TRUE
, &(_term
->Ottyb
));
569 NCURSES_SP_NAME(_nc_screen_wrap
) (sp
);
570 NCURSES_SP_NAME(_nc_mvcur_wrap
) (sp
); /* wrap up cursor addressing */
575 drv_release(TERMINAL_CONTROL_BLOCK
* TCB GCC_UNUSED
)
579 # define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
582 drv_screen_init(SCREEN
*sp
)
584 TERMINAL_CONTROL_BLOCK
*TCB
= TCBOf(sp
);
589 * Check for mismatched graphic-rendition capabilities. Most SVr4
590 * terminfo trees contain entries that have rmul or rmso equated to
591 * sgr0 (Solaris curses copes with those entries). We do this only
592 * for curses, since many termcap applications assume that
593 * smso/rmso and smul/rmul are paired, and will not function
594 * properly if we remove rmso or rmul. Curses applications
595 * shouldn't be looking at this detail.
597 sp
->_use_rmso
= SGR0_TEST(exit_standout_mode
);
598 sp
->_use_rmul
= SGR0_TEST(exit_underline_mode
);
601 * Check whether we can optimize scrolling under dumb terminals in
602 * case we do not have any of these capabilities, scrolling
603 * optimization will be useless.
605 sp
->_scrolling
= ((scroll_forward
&& scroll_reverse
) ||
613 NCURSES_SP_NAME(baudrate
) (sp
);
615 NCURSES_SP_NAME(_nc_mvcur_init
) (sp
);
616 /* initialize terminal to a sane state */
617 NCURSES_SP_NAME(_nc_screen_init
) (sp
);
621 drv_init(TERMINAL_CONTROL_BLOCK
* TCB
)
628 trm
= (TERMINAL
*) TCB
;
631 TCB
->info
.initcolor
= initialize_color
;
632 TCB
->info
.canchange
= can_change
;
633 TCB
->info
.hascolor
= ((VALID_NUMERIC(max_colors
) && VALID_NUMERIC(max_pairs
)
634 && (((set_foreground
!= NULL
)
635 && (set_background
!= NULL
))
636 || ((set_a_foreground
!= NULL
)
637 && (set_a_background
!= NULL
))
638 || set_color_pair
)) ? TRUE
: FALSE
);
640 TCB
->info
.caninit
= !(exit_ca_mode
&& non_rev_rmcup
);
642 TCB
->info
.maxpairs
= VALID_NUMERIC(max_pairs
) ? max_pairs
: 0;
643 TCB
->info
.maxcolors
= VALID_NUMERIC(max_colors
) ? max_colors
: 0;
644 TCB
->info
.numlabels
= VALID_NUMERIC(num_labels
) ? num_labels
: 0;
645 TCB
->info
.labelwidth
= VALID_NUMERIC(label_width
) ? label_width
: 0;
646 TCB
->info
.labelheight
= VALID_NUMERIC(label_height
) ? label_height
: 0;
647 TCB
->info
.nocolorvideo
= VALID_NUMERIC(no_color_video
) ? no_color_video
649 TCB
->info
.tabsize
= VALID_NUMERIC(init_tabs
) ? (int) init_tabs
: 8;
651 TCB
->info
.defaultPalette
= hue_lightness_saturation
? _nc_hls_palette
: _nc_cga_palette
;
654 * If an application calls setupterm() rather than initscr() or
655 * newterm(), we will not have the def_prog_mode() call in
656 * _nc_setupscreen(). Do it now anyway, so we can initialize the
659 if (isatty(trm
->Filedes
)) {
660 TCB
->drv
->mode(TCB
, TRUE
, TRUE
);
664 #define MAX_PALETTE 8
665 #define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
668 drv_initpair(TERMINAL_CONTROL_BLOCK
* TCB
, short pair
, short f
, short b
)
675 if ((initialize_pair
!= NULL
) && InPalette(f
) && InPalette(b
)) {
676 const color_t
*tp
= InfoOf(sp
).defaultPalette
;
679 ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
681 tp
[f
].red
, tp
[f
].green
, tp
[f
].blue
,
682 tp
[b
].red
, tp
[b
].green
, tp
[b
].blue
));
684 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
686 TPARM_7(initialize_pair
,
688 tp
[f
].red
, tp
[f
].green
, tp
[f
].blue
,
689 tp
[b
].red
, tp
[b
].green
, tp
[b
].blue
));
694 default_fg(SCREEN
*sp
)
696 #if NCURSES_EXT_FUNCS
697 return (sp
!= 0) ? sp
->_default_fg
: COLOR_WHITE
;
704 default_bg(SCREEN
*sp
)
706 #if NCURSES_EXT_FUNCS
707 return sp
!= 0 ? sp
->_default_bg
: COLOR_BLACK
;
714 drv_initcolor(TERMINAL_CONTROL_BLOCK
* TCB
,
715 short color
, short r
, short g
, short b
)
717 SCREEN
*sp
= TCB
->csp
;
720 if (initialize_color
!= NULL
) {
721 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
723 TPARM_4(initialize_color
, color
, r
, g
, b
));
728 drv_do_color(TERMINAL_CONTROL_BLOCK
* TCB
,
732 NCURSES_SP_OUTC outc
)
734 SCREEN
*sp
= TCB
->csp
;
735 NCURSES_COLOR_T fg
= COLOR_DEFAULT
;
736 NCURSES_COLOR_T bg
= COLOR_DEFAULT
;
737 NCURSES_COLOR_T old_fg
, old_bg
;
743 if (pair
< 0 || pair
>= COLOR_PAIRS
) {
745 } else if (pair
!= 0) {
746 if (set_color_pair
) {
747 TPUTS_TRACE("set_color_pair");
748 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
749 TPARM_1(set_color_pair
, pair
), 1, outc
);
751 } else if (sp
!= 0) {
752 NCURSES_SP_NAME(pair_content
) (NCURSES_SP_ARGx
761 && NCURSES_SP_NAME(pair_content
) (NCURSES_SP_ARGx
765 if ((isDefaultColor(fg
) && !isDefaultColor(old_fg
))
766 || (isDefaultColor(bg
) && !isDefaultColor(old_bg
))) {
767 #if NCURSES_EXT_FUNCS
769 * A minor optimization - but extension. If "AX" is specified in
770 * the terminal description, treat it as screen's indicator of ECMA
771 * SGR 39 and SGR 49, and assume the two sequences are independent.
773 if (sp
->_has_sgr_39_49
774 && isDefaultColor(old_bg
)
775 && !isDefaultColor(old_fg
)) {
776 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
"\033[39m", 1, outc
);
777 } else if (sp
->_has_sgr_39_49
778 && isDefaultColor(old_fg
)
779 && !isDefaultColor(old_bg
)) {
780 NCURSES_SP_NAME(tputs
) (NCURSES_SP_ARGx
"\033[49m", 1, outc
);
791 #if NCURSES_EXT_FUNCS
792 if (isDefaultColor(fg
))
793 fg
= (NCURSES_COLOR_T
) default_fg(sp
);
794 if (isDefaultColor(bg
))
795 bg
= (NCURSES_COLOR_T
) default_bg(sp
);
799 NCURSES_COLOR_T xx
= fg
;
804 TR(TRACE_ATTRS
, ("setting colors: pair = %d, fg = %d, bg = %d", pair
,
807 if (!isDefaultColor(fg
)) {
808 drv_setcolor(TCB
, TRUE
, fg
, outc
);
810 if (!isDefaultColor(bg
)) {
811 drv_setcolor(TCB
, FALSE
, bg
, outc
);
815 #define xterm_kmous "\033[M"
817 init_xterm_mouse(SCREEN
*sp
)
819 sp
->_mouse_type
= M_XTERM
;
820 sp
->_mouse_xtermcap
= NCURSES_SP_NAME(tigetstr
) (NCURSES_SP_ARGx
"XM");
821 if (!VALID_STRING(sp
->_mouse_xtermcap
))
822 sp
->_mouse_xtermcap
= "\033[?1000%?%p1%{1}%=%th%el%;";
826 drv_initmouse(TERMINAL_CONTROL_BLOCK
* TCB
)
833 /* we know how to recognize mouse events under "xterm" */
835 if (key_mouse
!= 0) {
836 if (!strcmp(key_mouse
, xterm_kmous
)
837 || strstr(TerminalOf(sp
)->type
.term_names
, "xterm") != 0) {
838 init_xterm_mouse(sp
);
840 } else if (strstr(TerminalOf(sp
)->type
.term_names
, "xterm") != 0) {
841 if (_nc_add_to_try(&(sp
->_keytry
), xterm_kmous
, KEY_MOUSE
) == OK
)
842 init_xterm_mouse(sp
);
848 drv_testmouse(TERMINAL_CONTROL_BLOCK
* TCB
, int delay
)
857 if ((sp
->_mouse_type
== M_SYSMOUSE
)
858 && (sp
->_sysmouse_head
< sp
->_sysmouse_tail
)) {
863 rc
= TCBOf(sp
)->drv
->twait(TCBOf(sp
),
869 if ((sp
->_mouse_type
== M_SYSMOUSE
)
870 && (sp
->_sysmouse_head
< sp
->_sysmouse_tail
)
872 && (errno
== EINTR
)) {
881 drv_mvcur(TERMINAL_CONTROL_BLOCK
* TCB
, int yold
, int xold
, int ynew
, int xnew
)
883 SCREEN
*sp
= TCB
->csp
;
885 return TINFO_MVCUR(sp
, yold
, xold
, ynew
, xnew
);
889 drv_hwlabel(TERMINAL_CONTROL_BLOCK
* TCB
, int labnum
, char *text
)
891 SCREEN
*sp
= TCB
->csp
;
894 if (labnum
> 0 && labnum
<= num_labels
) {
895 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
897 TPARM_2(plab_norm
, labnum
, text
));
902 drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK
* TCB
, bool OnFlag
)
904 SCREEN
*sp
= TCB
->csp
;
908 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"label_on", label_on
);
910 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"label_off", label_off
);
915 drv_conattr(TERMINAL_CONTROL_BLOCK
* TCB
)
917 SCREEN
*sp
= TCB
->csp
;
918 chtype attrs
= A_NORMAL
;
921 if (enter_alt_charset_mode
)
922 attrs
|= A_ALTCHARSET
;
924 if (enter_blink_mode
)
933 if (enter_reverse_mode
)
936 if (enter_standout_mode
)
939 if (enter_protected_mode
)
942 if (enter_secure_mode
)
945 if (enter_underline_mode
)
946 attrs
|= A_UNDERLINE
;
948 if (sp
&& sp
->_coloron
)
955 drv_setfilter(TERMINAL_CONTROL_BLOCK
* TCB
)
960 cursor_down
= parm_down_cursor
= 0;
962 cursor_up
= parm_up_cursor
= 0;
964 cursor_home
= carriage_return
;
968 drv_initacs(TERMINAL_CONTROL_BLOCK
* TCB
, chtype
*real_map
, chtype
*fake_map
)
970 SCREEN
*sp
= TCB
->csp
;
974 if (ena_acs
!= NULL
) {
975 NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx
"ena_acs", ena_acs
);
977 #if NCURSES_EXT_FUNCS
979 * Linux console "supports" the "PC ROM" character set by the coincidence
980 * that smpch/rmpch and smacs/rmacs have the same values. ncurses has
981 * no codepage support (see SCO Merge for an example). Outside of the
982 * values defined in acsc, there are no definitions for the "PC ROM"
983 * character set (assumed by some applications to be codepage 437), but we
984 * allow those applications to use those codepoints.
986 * test/blue.c uses this feature.
988 #define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b))
989 if (PCH_KLUDGE(enter_pc_charset_mode
, enter_alt_charset_mode
) &&
990 PCH_KLUDGE(exit_pc_charset_mode
, exit_alt_charset_mode
)) {
992 for (i
= 1; i
< ACS_LEN
; ++i
) {
993 if (real_map
[i
] == 0) {
995 if (real_map
!= fake_map
) {
997 sp
->_screen_acs_map
[i
] = TRUE
;
1004 if (acs_chars
!= NULL
) {
1006 size_t length
= strlen(acs_chars
);
1008 while (i
+ 1 < length
) {
1009 if (acs_chars
[i
] != 0 && UChar(acs_chars
[i
]) < ACS_LEN
) {
1010 real_map
[UChar(acs_chars
[i
])] = UChar(acs_chars
[i
+ 1]) | A_ALTCHARSET
;
1012 sp
->_screen_acs_map
[UChar(acs_chars
[i
])] = TRUE
;
1018 /* Show the equivalent mapping, noting if it does not match the
1019 * given attribute, whether by re-ordering or duplication.
1021 if (USE_TRACEF(TRACE_CALLS
)) {
1023 char show
[ACS_LEN
* 2 + 1];
1024 for (n
= 1, m
= 0; n
< ACS_LEN
; n
++) {
1025 if (real_map
[n
] != 0) {
1026 show
[m
++] = (char) n
;
1027 show
[m
++] = (char) ChCharOf(real_map
[n
]);
1031 if (acs_chars
== NULL
|| strcmp(acs_chars
, show
))
1032 _tracef("%s acs_chars %s",
1033 (acs_chars
== NULL
) ? "NULL" : "READ",
1034 _nc_visbuf(acs_chars
));
1035 _tracef("%s acs_chars %s",
1038 : (strcmp(acs_chars
, show
)
1043 _nc_unlock_global(tracef
);
1048 #define ENSURE_TINFO(sp) (TCBOf(sp)->drv->isTerminfo)
1050 NCURSES_EXPORT(void)
1051 _nc_cookie_init(SCREEN
*sp
)
1053 bool support_cookies
= USE_XMC_SUPPORT
;
1054 TERMINAL_CONTROL_BLOCK
*TCB
= (TERMINAL_CONTROL_BLOCK
*) (sp
->_term
);
1056 if (sp
== 0 || !ENSURE_TINFO(sp
))
1061 * If we have no magic-cookie support compiled-in, or if it is suppressed
1062 * in the environment, reset the support-flag.
1064 if (magic_cookie_glitch
>= 0) {
1065 if (getenv("NCURSES_NO_MAGIC_COOKIE") != 0) {
1066 support_cookies
= FALSE
;
1071 if (!support_cookies
&& magic_cookie_glitch
>= 0) {
1072 T(("will disable attributes to work w/o magic cookies"));
1075 if (magic_cookie_glitch
> 0) { /* tvi, wyse */
1077 sp
->_xmc_triggers
= sp
->_ok_attributes
& (
1089 * We "should" treat colors as an attribute. The wyse350 (and its
1090 * clones) appear to be the only ones that have both colors and magic
1094 sp
->_xmc_triggers
|= A_COLOR
;
1097 sp
->_xmc_suppress
= sp
->_xmc_triggers
& (chtype
) ~(A_BOLD
);
1099 T(("magic cookie attributes %s", _traceattr(sp
->_xmc_suppress
)));
1101 * Supporting line-drawing may be possible. But make the regular
1102 * video attributes work first.
1104 acs_chars
= ABSENT_STRING
;
1105 ena_acs
= ABSENT_STRING
;
1106 enter_alt_charset_mode
= ABSENT_STRING
;
1107 exit_alt_charset_mode
= ABSENT_STRING
;
1110 * To keep the cookie support simple, suppress all of the optimization
1111 * hooks except for clear_screen and the cursor addressing.
1113 if (support_cookies
) {
1114 clr_eol
= ABSENT_STRING
;
1115 clr_eos
= ABSENT_STRING
;
1116 set_attributes
= ABSENT_STRING
;
1119 } else if (magic_cookie_glitch
== 0) { /* hpterm */
1123 * If magic cookies are not supported, cancel the strings that set
1126 if (!support_cookies
&& magic_cookie_glitch
>= 0) {
1127 magic_cookie_glitch
= ABSENT_NUMERIC
;
1128 set_attributes
= ABSENT_STRING
;
1129 enter_blink_mode
= ABSENT_STRING
;
1130 enter_bold_mode
= ABSENT_STRING
;
1131 enter_dim_mode
= ABSENT_STRING
;
1132 enter_reverse_mode
= ABSENT_STRING
;
1133 enter_standout_mode
= ABSENT_STRING
;
1134 enter_underline_mode
= ABSENT_STRING
;
1137 /* initialize normal acs before wide, since we use mapping in the latter */
1138 #if !USE_WIDEC_SUPPORT
1139 if (_nc_unicode_locale() && _nc_locale_breaks_acs(sp
->_term
)) {
1142 enter_alt_charset_mode
= NULL
;
1143 exit_alt_charset_mode
= NULL
;
1144 set_attributes
= NULL
;
1150 drv_twait(TERMINAL_CONTROL_BLOCK
* TCB
,
1154 EVENTLIST_2nd(_nc_eventlist
* evl
))
1161 return _nc_timed_wait(sp
, mode
, milliseconds
, timeleft
EVENTLIST_2nd(evl
));
1165 drv_read(TERMINAL_CONTROL_BLOCK
* TCB
, int *buf
)
1168 unsigned char c2
= 0;
1175 # if USE_PTHREADS_EINTR
1176 if ((pthread_self
) && (pthread_kill
) && (pthread_equal
))
1177 _nc_globals
.read_thread
= pthread_self();
1179 n
= read(sp
->_ifd
, &c2
, 1);
1180 #if USE_PTHREADS_EINTR
1181 _nc_globals
.read_thread
= 0;
1188 drv_nap(TERMINAL_CONTROL_BLOCK
* TCB GCC_UNUSED
, int ms
)
1192 struct timespec request
, remaining
;
1193 request
.tv_sec
= ms
/ 1000;
1194 request
.tv_nsec
= (ms
% 1000) * 1000000;
1195 while (nanosleep(&request
, &remaining
) == -1
1196 && errno
== EINTR
) {
1197 request
= remaining
;
1201 _nc_timed_wait(0, 0, ms
, (int *) 0 EVENTLIST_2nd(0));
1207 __nc_putp(SCREEN
*sp
, const char *name GCC_UNUSED
, const char *value
)
1212 rc
= NCURSES_SP_NAME(_nc_putp
) (NCURSES_SP_ARGx name
, value
);
1218 __nc_putp_flush(SCREEN
*sp
, const char *name
, const char *value
)
1220 int rc
= __nc_putp(sp
, name
, value
);
1222 NCURSES_SP_NAME(_nc_flush
) (sp
);
1228 drv_kpad(TERMINAL_CONTROL_BLOCK
* TCB
, bool flag
)
1239 (void) __nc_putp_flush(sp
, "keypad_xmit", keypad_xmit
);
1240 } else if (!flag
&& keypad_local
) {
1241 (void) __nc_putp_flush(sp
, "keypad_local", keypad_local
);
1243 if (flag
&& !sp
->_tried
) {
1244 _nc_init_keytry(sp
);
1254 drv_keyok(TERMINAL_CONTROL_BLOCK
* TCB
, int c
, bool flag
)
1265 unsigned ch
= (unsigned) c
;
1267 while ((s
= _nc_expand_try(sp
->_key_ok
, ch
, &count
, 0)) != 0
1268 && _nc_remove_key(&(sp
->_key_ok
), ch
)) {
1269 code
= _nc_add_to_try(&(sp
->_keytry
), s
, ch
);
1276 while ((s
= _nc_expand_try(sp
->_keytry
, ch
, &count
, 0)) != 0
1277 && _nc_remove_key(&(sp
->_keytry
), ch
)) {
1278 code
= _nc_add_to_try(&(sp
->_key_ok
), s
, ch
);
1290 drv_kyExist(TERMINAL_CONTROL_BLOCK
* TCB
, int key
)
1296 res
= TINFO_HAS_KEY(TCB
->csp
, key
) == 0 ? FALSE
: TRUE
;
1301 NCURSES_EXPORT_VAR (TERM_DRIVER
) _nc_TINFO_DRIVER
= {
1303 drv_CanHandle
, /* CanHandle */
1304 drv_init
, /* init */
1305 drv_release
, /* release */
1306 drv_size
, /* size */
1307 drv_sgmode
, /* sgmode */
1308 drv_conattr
, /* conattr */
1309 drv_mvcur
, /* hwcur */
1310 drv_mode
, /* mode */
1311 drv_rescol
, /* rescol */
1312 drv_rescolors
, /* rescolors */
1313 drv_setcolor
, /* color */
1314 drv_dobeepflash
, /* doBeepOrFlash */
1315 drv_initpair
, /* initpair */
1316 drv_initcolor
, /* initcolor */
1317 drv_do_color
, /* docolor */
1318 drv_initmouse
, /* initmouse */
1319 drv_testmouse
, /* testmouse */
1320 drv_setfilter
, /* setfilter */
1321 drv_hwlabel
, /* hwlabel */
1322 drv_hwlabelOnOff
, /* hwlabelOnOff */
1323 drv_doupdate
, /* update */
1324 drv_defaultcolors
, /* defaultcolors */
1325 drv_print
, /* print */
1326 drv_getsize
, /* getsize */
1327 drv_setsize
, /* setsize */
1328 drv_initacs
, /* initacs */
1329 drv_screen_init
, /* scinit */
1330 drv_wrap
, /* scexit */
1331 drv_twait
, /* twait */
1332 drv_read
, /* read */
1334 drv_kpad
, /* kpad */
1335 drv_keyok
, /* kyOk */
1336 drv_kyExist
/* kyExist */