1 /* MS-DOS specific C utilities.
2 Copyright (C) 1993, 1994 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20 /* Contributed by Morten Welinder */
22 /* Note: some of the stuff here was taken from end of sysdep.c in demacs. */
30 #include <sys/param.h>
36 #include "termhooks.h"
37 #include "dispextern.h"
44 /* #include <process.h> */
45 /* Damn that local process.h! Instead we can define P_WAIT ourselves. */
48 static int break_stat
; /* BREAK check mode status. */
49 static int stdin_stat
; /* stdin IOCTL status. */
50 static int extended_kbd
; /* 101 (102) keyboard present. */
52 int have_mouse
; /* Mouse present? */
53 static int mouse_last_x
;
54 static int mouse_last_y
;
56 /* Turn off Dos' Ctrl-C checking and inhibit interpretation of control chars
57 by Dos. Determine the keyboard type. */
61 union REGS inregs
, outregs
;
64 int86 (0x15, &inregs
, &outregs
);
65 extended_kbd
= (!outregs
.x
.cflag
) && (outregs
.h
.ah
== 0);
67 break_stat
= getcbrk ();
69 install_ctrl_break_check ();
70 have_mouse
= mouse_init1 ();
72 inregs
.x
.ax
= 0x4400; /* Get IOCTL status. */
73 inregs
.x
.bx
= 0x00; /* 0 = stdin. */
74 intdos (&inregs
, &outregs
);
75 stdin_stat
= outregs
.h
.dl
;
77 inregs
.x
.dx
= (outregs
.x
.dx
| 0x0020) & 0x0027; /* raw mode */
79 intdos (&inregs
, &outregs
);
80 return !outregs
.x
.cflag
;
83 /* Restore status of standard input and Ctrl-C checking. */
87 union REGS inregs
, outregs
;
90 if (have_mouse
) mouse_off ();
92 inregs
.x
.ax
= 0x4401; /* Set IOCTL status. */
93 inregs
.x
.bx
= 0x00; /* 0 = stdin. */
94 inregs
.x
.dx
= stdin_stat
;
95 intdos (&inregs
, &outregs
);
96 return !outregs
.x
.cflag
;
100 ibmpc_translate_map
[] =
102 /* --------------- 00 to 0f --------------- */
105 0xffb1, /* Keypad 1 */
106 0xffb2, /* Keypad 2 */
107 0xffb3, /* Keypad 3 */
108 0xffb4, /* Keypad 4 */
109 0xffb5, /* Keypad 5 */
110 0xffb6, /* Keypad 6 */
111 0xffb7, /* Keypad 7 */
112 0xffb8, /* Keypad 8 */
113 0xffb9, /* Keypad 9 */
114 0xffb0, /* Keypad 0 */
116 0xff08, /* Backspace */
117 0xff74, /* (Shift) Tab [Tab doesn't use this table] */
119 /* --------------- 10 to 1f --------------- */
120 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']',
121 0xff8d, /* Keypad Enter */
125 /* --------------- 20 to 2f --------------- */
126 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`',
128 '\\', 'z', 'x', 'c', 'v',
130 /* --------------- 30 to 3f --------------- */
131 'b', 'n', 'm', ',', '.',
144 /* --------------- 40 to 4f --------------- */
154 0xff55, /* Page Up */
157 0xffb5, /* Keypad 5 */
162 /* --------------- 50 to 5f --------------- */
164 0xff56, /* Page Down */
167 0xffbe, /* (Shift) F1 */
168 0xffbf, /* (Shift) F2 */
169 0xffc0, /* (Shift) F3 */
170 0xffc1, /* (Shift) F4 */
171 0xffc2, /* (Shift) F5 */
172 0xffc3, /* (Shift) F6 */
173 0xffc4, /* (Shift) F7 */
174 0xffc5, /* (Shift) F8 */
175 0xffc6, /* (Shift) F9 */
176 0xffc7, /* (Shift) F10 */
177 0xffbe, /* (Ctrl) F1 */
178 0xffbf, /* (Ctrl) F2 */
180 /* --------------- 60 to 6f --------------- */
181 0xffc0, /* (Ctrl) F3 */
182 0xffc1, /* (Ctrl) F4 */
183 0xffc2, /* (Ctrl) F5 */
184 0xffc3, /* (Ctrl) F6 */
185 0xffc4, /* (Ctrl) F7 */
186 0xffc5, /* (Ctrl) F8 */
187 0xffc6, /* (Ctrl) F9 */
188 0xffc7, /* (Ctrl) F10 */
189 0xffbe, /* (Alt) F1 */
190 0xffbf, /* (Alt) F2 */
191 0xffc0, /* (Alt) F3 */
192 0xffc1, /* (Alt) F4 */
193 0xffc2, /* (Alt) F5 */
194 0xffc3, /* (Alt) F6 */
195 0xffc4, /* (Alt) F7 */
196 0xffc5, /* (Alt) F8 */
198 /* --------------- 70 to 7f --------------- */
199 0xffc6, /* (Alt) F9 */
200 0xffc7, /* (Alt) F10 */
201 0xff6d, /* (Ctrl) Sys Rq */
202 0xff51, /* (Ctrl) Left */
203 0xff53, /* (Ctrl) Right */
204 0xff57, /* (Ctrl) End */
205 0xff56, /* (Ctrl) Page Down */
206 0xff50, /* (Ctrl) Home */
207 '1', '2', '3', '4', '5', '6', '7', '8', /* (Alt) */
209 /* --------------- 80 to 8f --------------- */
210 '9', '0', '-', '=', /* (Alt) */
211 0xff55, /* (Ctrl) Page Up */
214 0xffc8, /* (Shift) F11 */
215 0xffc9, /* (Shift) F12 */
216 0xffc8, /* (Ctrl) F11 */
217 0xffc9, /* (Ctrl) F12 */
218 0xffc8, /* (Alt) F11 */
219 0xffc9, /* (Alt) F12 */
220 0xff52, /* (Ctrl) Up */
221 0xffae, /* (Ctrl) Grey - */
222 0xffb5, /* (Ctrl) Keypad 5 */
224 /* --------------- 90 to 9f --------------- */
225 0xffab, /* (Ctrl) Grey + */
226 0xff54, /* (Ctrl) Down */
227 0xff63, /* (Ctrl) Insert */
228 0xffff, /* (Ctrl) Delete */
229 0xff09, /* (Ctrl) Tab */
230 0xffaf, /* (Ctrl) Grey / */
231 0xffaa, /* (Ctrl) Grey * */
232 0xff50, /* (Alt) Home */
233 0xff52, /* (Alt) Up */
234 0xff55, /* (Alt) Page Up */
236 0xff51, /* (Alt) Left */
238 0xff53, /* (Alt) Right */
240 0xff57, /* (Alt) End */
242 /* --------------- a0 to af --------------- */
243 0xff54, /* (Alt) Down */
244 0xff56, /* (Alt) Page Down */
245 0xff63, /* (Alt) Insert */
246 0xffff, /* (Alt) Delete */
247 0xffaf, /* (Alt) Grey / */
248 0xff09, /* (Alt) Tab */
249 0xff0d /* (Alt) Enter */
252 /* Get a char from keyboard. Function keys are put into the event queue. */
256 struct input_event event
;
259 int ctrl_p
, alt_p
, shift_p
;
261 /* Calculate modifier bits */
262 regs
.h
.ah
= extended_kbd
? 0x12 : 0x02;
263 int86 (0x16, ®s
, ®s
);
264 ctrl_p
= ((regs
.h
.al
& 4) != 0);
265 shift_p
= ((regs
.h
.al
& 3) != 0);
266 /* Please be very careful here not to break international keyboard support.
267 When Keyb.Com is loaded, the key marked `Alt Gr' is used for accessing
268 characters like { and } if their positions are overlaid. */
269 alt_p
= ((extended_kbd
? (regs
.h
.ah
& 2) : (regs
.h
.al
& 8)) != 0);
271 /* The following condition is equivalent to `kbhit ()', except that
272 it uses the bios to do its job. This pleases DESQview/X. */
273 while ((regs
.h
.ah
= extended_kbd
? 0x11 : 0x01),
274 int86 (0x16, ®s
, ®s
),
275 (regs
.x
.flags
& 0x40) == 0)
278 register unsigned char c
;
281 regs
.h
.ah
= extended_kbd
? 0x10 : 0x00;
282 int86 (0x16, ®s
, ®s
);
286 /* Determine from the scan code if a keypad key was pressed. */
287 if (c
>= '0' && c
<= '9' && sc
> 0xb)
288 sc
= (c
== '0') ? 0xb : (c
- '0' + 1), c
= 0;
289 else if (sc
== 0x53 && c
!= 0xe0)
291 code
= 0xffae; /* Keypad decimal point/comma. */
298 case 10: /* Ctrl Enter */
314 || (ctrl_p
&& shift_p
)
315 || (c
== 0xe0 && sc
!= 0) /* Pseudo-key */
316 || sc
== 0x37 /* Grey * */
317 || sc
== 0x4a /* Grey - */
318 || sc
== 0x4e /* Grey + */
319 || sc
== 0x0e) /* Back space *key*, not Ctrl-h */
321 if (sc
>= (sizeof (ibmpc_translate_map
) / sizeof (short)))
324 code
= ibmpc_translate_map
[sc
];
330 event
.kind
= non_ascii_keystroke
;
331 event
.code
= (code
& 0xff) + 0xff00;
335 /* Don't return S- if we don't have to. `shifted' is
336 supposed to be the shifted versions of the characters
337 in `unshifted'. Unfortunately, this is only true for
338 US keyboard layout. If anyone knows how to do this
339 right, please tell us. */
340 static char *unshifted
341 = "abcdefghijklmnopqrstuvwxyz,./=;[\\]'-`0123456789";
343 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ<>?+:{|}\"_~)!@#$%^&*(";
346 if (shift_p
&& (pos
= strchr (unshifted
, code
)))
348 c
= shifted
[pos
- unshifted
];
352 if (c
== 0) c
= code
;
353 event
.kind
= ascii_keystroke
;
357 = (shift_p
? shift_modifier
: 0)
358 + (ctrl_p
? ctrl_modifier
: 0)
359 + (alt_p
? meta_modifier
: 0);
360 /* EMACS == Enter Meta Alt Control Shift */
361 XSETFRAME (event
.frame_or_window
, selected_frame
);
362 gettimeofday (&tv
, NULL
);
363 event
.timestamp
= tv
.tv_usec
;
364 kbd_buffer_store_event (&event
);
372 int but
, press
, x
, y
, ok
;
374 /* Check for mouse movement *before* buttons. */
375 mouse_check_moved ();
377 for (but
= 0; but
< NUM_MOUSE_BUTTONS
; but
++)
378 for (press
= 0; press
< 2; press
++)
381 ok
= mouse_pressed (but
, &x
, &y
);
383 ok
= mouse_released (but
, &x
, &y
);
386 event
.kind
= mouse_click
;
389 = (shift_p
? shift_modifier
: 0)
390 + (ctrl_p
? ctrl_modifier
: 0)
391 + (alt_p
? meta_modifier
: 0)
392 + (press
? down_modifier
: up_modifier
);
395 XSETFRAME (event
.frame_or_window
, selected_frame
);
396 gettimeofday (&tv
, NULL
);
397 event
.timestamp
= tv
.tv_usec
;
398 kbd_buffer_store_event (&event
);
406 static int prev_get_char
= -1;
408 /* Return 1 if a key is ready to be read without suspending execution. */
411 if (prev_get_char
!= -1)
414 return ((prev_get_char
= dos_rawgetc ()) != -1);
417 /* Read a key. Return -1 if no key is ready. */
420 if (prev_get_char
!= -1)
422 int c
= prev_get_char
;
427 return dos_rawgetc ();
430 /* Hostnames for a pc are not really funny, but they are used in change log
431 so we emulate the best we can. */
432 gethostname (p
, size
)
436 char *q
= egetenv ("HOSTNAME");
443 /* Destructively turn backslashes into slashes. */
445 dostounix_filename (p
)
456 /* Destructively turn slashes into backslashes. */
458 unixtodos_filename (p
)
469 /* Get the default directory for a given drive. 0=def, 1=A, 2=B, ... */
471 getdefdir (drive
, dst
)
479 regs
.x
.si
= (int) dst
;
481 intdos (®s
, ®s
);
482 return !regs
.x
.cflag
;
485 /* Remove all CR's that are followed by a LF. */
489 register unsigned char *buf
;
491 unsigned char *np
= buf
;
492 unsigned char *startp
= buf
;
493 unsigned char *endp
= buf
+ n
;
498 while (buf
< endp
- 1)
502 if (*(++buf
) != 0x0a)
514 /* Run command as specified by ARGV in directory DIR.
515 The command is run with input from TEMPIN and output to file TEMPOUT. */
517 run_msdos_command (argv
, dir
, tempin
, tempout
)
518 unsigned char **argv
;
522 char *saveargv1
, *saveargv2
, **envv
;
523 char oldwd
[MAXPATHLEN
+ 1]; /* Fixed size is safe on MSDOS. */
524 int msshell
, result
= -1;
525 int in
, out
, inbak
, outbak
, errbak
;
528 /* Get current directory as MSDOS cwd is not per-process. */
531 cmd
= Ffile_name_nondirectory (build_string (argv
[0]));
532 msshell
= !NILP (Fmember (cmd
, Fsymbol_value (intern ("msdos-shells"))))
533 && !strcmp ("-c", argv
[1]);
541 char *p
= alloca (strlen (argv
[2]) + 1);
543 strcpy (argv
[2] = p
, saveargv2
);
544 while (*p
&& isspace (*p
))
546 while (*p
&& !isspace (*p
))
554 /* Build the environment array. */
556 extern Lisp_Object Vprocess_environment
;
557 Lisp_Object tmp
, lst
;
560 lst
= Vprocess_environment
;
561 len
= XFASTINT (Flength (lst
));
563 envv
= alloca ((len
+ 1) * sizeof (char *));
564 for (i
= 0; i
< len
; i
++)
568 CHECK_STRING (tmp
, 0);
569 envv
[i
] = alloca (XSTRING (tmp
)->size
+ 1);
570 strcpy (envv
[i
], XSTRING (tmp
)->data
);
572 envv
[len
] = (char *) 0;
576 chdir (XSTRING (dir
)->data
);
580 if (inbak
< 0 || outbak
< 0 || errbak
< 0)
581 goto done
; /* Allocation might fail due to lack of descriptors. */
586 result
= spawnve (P_WAIT
, argv
[0], argv
, envv
);
606 fprintf (stderr
, "%s not yet implemented\r\n", badfunc
);
611 /* A list of unimplemented functions that we silently ignore. */
612 unsigned alarm (s
) unsigned s
; {}
613 fork () { return 0; }
614 int kill (x
, y
) int x
, y
; { return -1; }
616 void volatile pause () {}
618 setpgrp () {return 0; }
619 setpriority (x
,y
,z
) int x
,y
,z
; { return 0; }
620 sigsetmask (x
) int x
; { return 0; }
621 unrequest_sigio () {}
631 int len
= strlen (path
);
632 char *tmp
= (char *) alloca (len
+ 1);
633 /* Gotta do this extern here due to the corresponding #define: */
636 if (*path
&& path
[1] == ':' && (getdisk () != tolower (path
[0]) - 'a'))
637 setdisk (tolower (path
[0]) - 'a');
640 if (strcmp (path
, "/") && strcmp (path
+ 1, ":/") && (path
[len
- 1] == '/'))
645 /* Sleep SECS. If KBDOK also return immediately if a key is pressed. */
647 sleep_or_kbd_hit (secs
, kbdok
)
653 gettimeofday (&t
, NULL
);
654 clnow
= t
.tv_sec
* 100 + t
.tv_usec
/ 10000;
655 clthen
= clnow
+ (100 * secs
);
659 gettimeofday (&t
, NULL
);
660 clnow
= t
.tv_sec
* 100 + t
.tv_usec
/ 10000;
661 if (kbdok
&& detect_input_pending ())
664 while (clnow
< clthen
);
667 /* The Emacs root directory as determined by init_environment. */
668 static char emacsroot
[MAXPATHLEN
];
671 rootrelativepath (rel
)
674 static char result
[MAXPATHLEN
+ 10];
676 strcpy (result
, emacsroot
);
677 strcat (result
, "/");
678 strcat (result
, rel
);
682 /* Define a lot of environment variables if not already defined. Don't
683 remove anything unless you know what you're doing -- lots of code will
684 break if one or more of these are missing. */
686 init_environment (argc
, argv
, skip_args
)
694 /* Find our root from argv[0]. Assuming argv[0] is, say,
695 "c:/emacs/bin/emacs.exe" our root will be "c:/emacs". */
696 _fixpath (argv
[0], root
= alloca (MAXPATHLEN
+ 20));
699 while (len
> 0 && root
[len
] != '/' && root
[len
] != ':')
702 if (len
> 4 && strcmp (root
+ len
- 4, "/bin") == 0)
703 root
[len
- 4] = '\0';
705 strcpy (root
, "c:/emacs"); /* Only under debuggers, I think. */
707 strcpy (emacsroot
, root
);
709 /* We default HOME to our root. */
710 setenv ("HOME", root
, 0);
712 /* We default EMACSPATH to root + "/bin". */
713 strcpy (root
+ len
, "/bin");
714 setenv ("EMACSPATH", root
, 0);
716 /* I don't expect anybody to ever use other terminals so the internal
717 terminal is the default. */
718 setenv ("TERM", "internal", 0);
720 #ifdef HAVE_X_WINDOWS
721 /* Emacs expects DISPLAY to be set. */
722 setenv ("DISPLAY", "unix:0.0", 0);
725 /* SHELL is a bit tricky -- COMSPEC is the closest we come, but we must
726 downcase it and mirror the backslashes. */
727 s
= getenv ("COMSPEC");
728 if (!s
) s
= "c:/command.com";
729 t
= alloca (strlen (s
) + 1);
732 dostounix_filename (t
);
733 setenv ("SHELL", t
, 0);
735 /* PATH is also downcased and backslashes mirrored. */
738 t
= alloca (strlen (s
) + 3);
739 /* Current directory is always considered part of MsDos's path but it is
740 not normally mentioned. Now it is. */
741 strcat (strcpy (t
, ".;"), s
);
743 dostounix_filename (t
); /* Not a single file name, but this should work. */
744 setenv ("PATH", t
, 1);
746 /* In some sense all dos users have root privileges, so... */
747 setenv ("USER", "root", 0);
748 setenv ("NAME", getenv ("USER"), 0);
750 /* Time zone determined from country code. To make this possible, the
751 country code may not span more than one time zone. In other words,
752 in the USA, you lose. */
753 switch (dos_country_code
)
755 case 31: /* Belgium */
756 case 32: /* The Netherlands */
757 case 33: /* France */
759 case 36: /* Hungary */
760 case 38: /* Yugoslavia (or what's left of it?) */
762 case 41: /* Switzerland */
763 case 42: /* Tjekia */
764 case 45: /* Denmark */
765 case 46: /* Sweden */
766 case 47: /* Norway */
767 case 48: /* Poland */
768 case 49: /* Germany */
769 /* Daylight saving from last Sunday in March to last Sunday in
770 September, both at 2AM. */
771 setenv ("TZ", "MET-01METDST-02,M3.5.0/02:00,M9.5.0/02:00", 0);
773 case 44: /* United Kingdom */
774 case 351: /* Portugal */
775 case 354: /* Iceland */
776 setenv ("TZ", "GMT+00", 0);
780 setenv ("TZ", "???-09", 0);
782 case 90: /* Turkey */
783 case 358: /* Finland */
784 case 972: /* Israel */
785 setenv ("TZ", "EET-02", 0);
789 init_gettimeofday ();
792 /* Flash the screen as a substitute for BEEPs. */
795 do_visible_bell (xorattr
)
796 unsigned char xorattr
;
801 movl _ScreenPrimary,%%eax
808 xorb %%al,%%gs:(%%ebx)
824 : "m" (xorattr
), "g" (ScreenCols () * ScreenRows ())
825 : "%eax", "%ebx", /* "%gs",*/ "%ecx", "%edx");
828 /* At screen position (X,Y), output C characters from string S with
829 attribute A. Do it fast! */
832 output_string (x
, y
, s
, c
, a
)
837 char *t
= (char *)ScreenPrimary
+ 2 * (x
+ ScreenCols () * y
);
847 movw %%ax,%%gs:(%%edi)
853 : "m" (a
), "g" (t
), "g" (c
), "g" (s
)
854 : "%eax", "%ecx", /* "%gs",*/ "%esi", "%edi");
857 static int internal_terminal
= 0;
858 static int highlight
;
866 static char spaces
[] = " ";
869 unsigned char *cp
, *cp0
;
872 if (internal_terminal
&& f
== stdout
)
874 if (have_mouse
) mouse_off ();
876 count
= stdout
->_ptr
- stdout
->_base
;
890 ScreenAttrib
= *cp
++;
894 do_visible_bell (*cp
++);
903 i
= ScreenCols () - x
;
905 while (i
>= sizeof spaces
)
907 output_string (j
, y
, spaces
, sizeof spaces
,
913 output_string (j
, y
, spaces
, i
, ScreenAttrib
);
925 ScreenAttrib
^= *cp
++;
933 write (1, "\007", 1);
951 while (count
> 0 && *cp
>= ' ')
953 output_string (x
, y
, cp0
, cp
- cp0
, ScreenAttrib
);
958 ScreenSetCursor (y
, x
);
959 if (have_mouse
) mouse_on ();
962 /* This is a call to the original fflush. */
966 #ifndef HAVE_X_WINDOWS
970 /* Rien du tout, cela va sans dire! */
978 /* This creates an xor-mask that will swap the default fore- and
979 background colors. */
980 if (have_mouse
) mouse_off ();
981 do_visible_bell (((the_only_x_display
.foreground_pixel
982 ^ the_only_x_display
.background_pixel
)
984 if (have_mouse
) mouse_on ();
987 /* Write it directly to ms-dos -- don't let it go through our terminal
988 emulator. This way the mouse cursor won't blink. */
989 write (1, "\007", 1);
993 IT_set_face (int face
)
996 extern struct face
*intern_face (/* FRAME_PTR, struct face * */);
998 if (face
== 1 || (face
== 0 && highlight
))
999 fp
= FRAME_MODE_LINE_FACE (foo
);
1000 else if (face
<= 0 || face
>= FRAME_N_COMPUTED_FACES (foo
))
1001 fp
= FRAME_DEFAULT_FACE (foo
);
1003 fp
= intern_face (selected_frame
, FRAME_COMPUTED_FACES (foo
)[face
]);
1006 putchar ((FACE_BACKGROUND (fp
) << 4) | FACE_FOREGROUND (fp
));
1010 IT_write_glyphs (GLYPH
*str
, int len
)
1017 newface
= FAST_GLYPH_FACE (*str
);
1018 if (newface
!= face
)
1019 IT_set_face ((face
= newface
));
1020 putchar (FAST_GLYPH_CHAR (*str
));
1026 IT_clear_end_of_line (first_unused
)
1033 IT_cursor_to (int y
, int x
)
1041 IT_reassert_line_highlight (new, vpos
)
1045 IT_set_face (0); /* To possibly clear the highlighting. */
1049 IT_change_line_highlight (new_highlight
, vpos
, first_unused_hpos
)
1051 highlight
= new_highlight
;
1052 IT_set_face (0); /* To possibly clear the highlighting. */
1053 IT_cursor_to (vpos
, 0);
1054 IT_clear_end_of_line (first_unused_hpos
);
1061 IT_set_face (0); /* To possibly clear the highlighting. */
1064 /* This was more or less copied from xterm.c */
1066 IT_set_menu_bar_lines (window
, n
)
1070 struct window
*w
= XWINDOW (window
);
1072 XSETFASTINT (w
->top
, XFASTINT (w
->top
) + n
);
1073 XSETFASTINT (w
->height
, XFASTINT (w
->height
) - n
);
1075 /* Handle just the top child in a vertical split. */
1076 if (!NILP (w
->vchild
))
1077 IT_set_menu_bar_lines (w
->vchild
, n
);
1079 /* Adjust all children in a horizontal split. */
1080 for (window
= w
->hchild
; !NILP (window
); window
= w
->next
)
1082 w
= XWINDOW (window
);
1083 IT_set_menu_bar_lines (window
, n
);
1088 IT_set_frame_parameters (frame
, alist
)
1094 extern unsigned long load_color ();
1095 FRAME_PTR f
= (FRAME_PTR
) &the_only_frame
;
1098 for (tail
= alist
; CONSP (tail
); tail
= Fcdr (tail
))
1100 Lisp_Object elt
, prop
, val
;
1105 CHECK_SYMBOL (prop
, 1);
1107 if (EQ (prop
, intern ("foreground-color")))
1109 unsigned long new_color
= load_color (f
, val
);
1110 if (new_color
!= ~0)
1112 FRAME_FOREGROUND_PIXEL (f
) = new_color
;
1116 else if (EQ (prop
, intern ("background-color")))
1118 unsigned long new_color
= load_color (f
, val
);
1119 if (new_color
!= ~0)
1121 FRAME_BACKGROUND_PIXEL (f
) = new_color
& ~8;
1125 else if (EQ (prop
, intern ("menu-bar-lines")))
1128 int old
= FRAME_MENU_BAR_LINES (the_only_frame
);
1134 FRAME_MENU_BAR_LINES (f
) = new;
1135 IT_set_menu_bar_lines (the_only_frame
.root_window
, new - old
);
1141 recompute_basic_faces (f
);
1142 Fredraw_frame (Fselected_frame ());
1146 /* Similar to the_only_frame. */
1147 struct x_display the_only_x_display
;
1149 /* This is never dereferenced. */
1150 Display
*x_current_display
;
1152 #endif /* !HAVE_X_WINDOWS */
1154 /* Do we need the internal terminal? */
1156 internal_terminal_init ()
1158 char *term
= getenv ("TERM");
1160 #ifdef HAVE_X_WINDOWS
1161 if (!inhibit_window_system
)
1166 = (!noninteractive
) && term
&& !strcmp (term
, "internal");
1168 #ifndef HAVE_X_WINDOWS
1169 if (internal_terminal
&& !inhibit_window_system
)
1171 Vwindow_system
= intern ("pc");
1172 Vwindow_system_version
= make_number (1);
1174 bzero (&the_only_x_display
, sizeof the_only_x_display
);
1175 the_only_x_display
.background_pixel
= 7; /* White */
1176 the_only_x_display
.foreground_pixel
= 0; /* Black */
1177 the_only_x_display
.line_height
= 1;
1178 the_only_frame
.display
.x
= &the_only_x_display
;
1179 the_only_frame
.output_method
= output_msdos_raw
;
1181 init_frame_faces ((FRAME_PTR
) &the_only_frame
);
1183 ring_bell_hook
= IT_ring_bell
;
1184 write_glyphs_hook
= IT_write_glyphs
;
1185 cursor_to_hook
= raw_cursor_to_hook
= IT_cursor_to
;
1186 clear_end_of_line_hook
= IT_clear_end_of_line
;
1187 change_line_highlight_hook
= IT_change_line_highlight
;
1188 update_begin_hook
= IT_update_begin
;
1189 reassert_line_highlight_hook
= IT_reassert_line_highlight
;
1191 /* These hooks are called by term.c without being checked. */
1192 set_terminal_modes_hook
1193 = reset_terminal_modes_hook
1195 = set_terminal_window_hook
1196 = (void *)rien_du_tout
;
1199 the_only_frame
.output_method
= output_termcap
;
1203 /* When time zones are set from Ms-Dos too may C-libraries are playing
1204 tricks with time values. We solve this by defining our own version
1205 of `gettimeofday' bypassing GO32. Our version needs to be initialized
1206 once and after each call to `tzset' with TZ changed. */
1208 static int daylight
, gmtoffset
;
1211 gettimeofday (struct timeval
*tp
, struct timezone
*tzp
)
1221 tmrec
.tm_year
= d
.da_year
- 1900;
1222 tmrec
.tm_mon
= d
.da_mon
- 1;
1223 tmrec
.tm_mday
= d
.da_day
;
1224 tmrec
.tm_hour
= t
.ti_hour
;
1225 tmrec
.tm_min
= t
.ti_min
;
1226 tmrec
.tm_sec
= t
.ti_sec
;
1227 tmrec
.tm_gmtoff
= gmtoffset
;
1228 tmrec
.tm_isdst
= daylight
;
1229 tp
->tv_sec
= mktime (&tmrec
);
1230 tp
->tv_usec
= t
.ti_hund
* (1000000 / 100);
1234 tzp
->tz_minuteswest
= gmtoffset
;
1235 tzp
->tz_dsttime
= daylight
;
1241 init_gettimeofday ()
1248 ltm
= gtm
= time (NULL
);
1249 ltm
= mktime (lstm
= localtime (<m
));
1250 gtm
= mktime (gmtime (>m
));
1251 daylight
= lstm
->tm_isdst
;
1252 gmtoffset
= (int)(gtm
- ltm
) / 60;
1255 /* These must be global. */
1256 static _go32_dpmi_seginfo ctrl_break_vector
;
1257 static _go32_dpmi_registers ctrl_break_regs
;
1258 static int ctrlbreakinstalled
= 0;
1260 /* Interrupt level detection of Ctrl-Break. Don't do anything fancy here! */
1262 ctrl_break_func (regs
)
1263 _go32_dpmi_registers
*regs
;
1269 install_ctrl_break_check ()
1271 if (!ctrlbreakinstalled
)
1273 /* Don't press Ctrl-Break if you don't have either DPMI or Emacs
1274 was compiler with Djgpp 1.11 maintenance level 5 or later! */
1275 ctrlbreakinstalled
= 1;
1276 ctrl_break_vector
.pm_offset
= (int) ctrl_break_func
;
1277 _go32_dpmi_allocate_real_mode_callback_iret (&ctrl_break_vector
,
1279 _go32_dpmi_set_real_mode_interrupt_vector (0x1b, &ctrl_break_vector
);
1283 /* Mouse routines follow. Coordinates are in screen positions and zero
1284 based. Mouse buttons are numbered from left to right and also zero
1287 static int mouse_button_translate
[NUM_MOUSE_BUTTONS
];
1288 static int mouse_button_count
;
1297 regs
.x
.dx
= 8 * (ScreenCols () - 1);
1298 int86 (0x33, ®s
, ®s
);
1302 regs
.x
.dx
= 8 * (ScreenRows () - 1);
1303 int86 (0x33, ®s
, ®s
);
1305 mouse_moveto (ScreenCols () - 1, ScreenRows () - 1);
1315 int86 (0x33, ®s
, ®s
);
1324 int86 (0x33, ®s
, ®s
);
1334 mouse_last_x
= regs
.x
.cx
= x
* 8;
1335 mouse_last_y
= regs
.x
.dx
= y
* 8;
1336 int86 (0x33, ®s
, ®s
);
1340 mouse_pressed (b
, xp
, yp
)
1345 if (b
>= mouse_button_count
)
1348 regs
.x
.bx
= mouse_button_translate
[b
];
1349 int86 (0x33, ®s
, ®s
);
1351 *xp
= regs
.x
.cx
/ 8, *yp
= regs
.x
.dx
/ 8;
1352 return (regs
.x
.bx
!= 0);
1356 mouse_released (b
, xp
, yp
)
1361 if (b
>= mouse_button_count
)
1364 regs
.x
.bx
= mouse_button_translate
[b
];
1365 int86 (0x33, ®s
, ®s
);
1367 *xp
= regs
.x
.cx
/ 8, *yp
= regs
.x
.dx
/ 8;
1368 return (regs
.x
.bx
!= 0);
1372 mouse_get_xy (int *x
, int *y
)
1377 int86 (0x33, ®s
, ®s
);
1383 mouse_get_pos (f
, insist
, bar_window
, part
, x
, y
, time
)
1386 Lisp_Object
*bar_window
, *x
, *y
;
1387 enum scroll_bar_part
*part
;
1388 unsigned long *time
;
1395 int86 (0x33, ®s
, ®s
);
1396 *f
= selected_frame
;
1398 gettimeofday (&tv
, NULL
);
1399 mouse_get_xy (&ix
, &iy
);
1401 *x
= make_number (ix
);
1402 *y
= make_number (iy
);
1407 mouse_check_moved ()
1411 mouse_get_xy (&x
, &y
);
1412 mouse_moved
|= (x
!= mouse_last_x
|| y
!= mouse_last_y
);
1423 #ifdef HAVE_X_WINDOWS
1424 if (!inhibit_window_system
)
1427 if (!internal_terminal
)
1431 int86 (0x33, ®s
, ®s
);
1432 present
= (regs
.x
.ax
& 0xffff) == 0xffff;
1435 /* Reportedly, the above doesn't work for some mouse drivers. There
1436 is an additional detection method that should work, but might be
1437 a little slower. Use that as an alternative. */
1439 int86 (0x33, ®s
, ®s
);
1440 present
= (regs
.x
.ax
& 0xffff) == 0xffff;
1447 mouse_button_count
= 3;
1448 mouse_button_translate
[0] = 0; /* Left */
1449 mouse_button_translate
[1] = 2; /* Middle */
1450 mouse_button_translate
[2] = 1; /* Right */
1454 mouse_button_count
= 2;
1455 mouse_button_translate
[0] = 0;
1456 mouse_button_translate
[1] = 1;
1458 mouse_position_hook
= &mouse_get_pos
;
1464 #ifndef HAVE_X_WINDOWS
1465 /* See xterm.c for more info. */
1467 pixel_to_glyph_coords (f
, pix_x
, pix_y
, x
, y
, bounds
, noclip
)
1469 register int pix_x
, pix_y
;
1470 register int *x
, *y
;
1471 void /* XRectangle */ *bounds
;
1474 if (bounds
) abort ();
1476 /* Ignore clipping. */
1483 glyph_to_pixel_coords (f
, x
, y
, pix_x
, pix_y
)
1486 register int *pix_x
, *pix_y
;
1492 /* Simulation of X's menus. Nothing too fancy here -- just make it work
1495 Actually, I don't know the meaning of all the parameters of the functions
1496 here -- I only know how they are called by xmenu.c. I could of course
1497 grab the nearest Xlib manual (down the hall, second-to-last door on the
1498 left), but I don't think it's worth the effort. */
1505 menu
= (XMenu
*) xmalloc (sizeof (XMenu
));
1506 menu
->allocated
= menu
->count
= menu
->panecount
= menu
->width
= 0;
1510 /* Allocate some (more) memory for MENU ensuring that there is room for one
1513 IT_menu_make_room (XMenu
*menu
)
1515 if (menu
->allocated
== 0)
1517 int count
= menu
->allocated
= 10;
1518 menu
->text
= (char **) xmalloc (count
* sizeof (char *));
1519 menu
->submenu
= (XMenu
**) xmalloc (count
* sizeof (XMenu
*));
1520 menu
->panenumber
= (int *) xmalloc (count
* sizeof (int));
1522 else if (menu
->allocated
== menu
->count
)
1524 int count
= menu
->allocated
= menu
->allocated
+ 10;
1526 = (char **) xrealloc (menu
->text
, count
* sizeof (char *));
1528 = (XMenu
**) xrealloc (menu
->submenu
, count
* sizeof (XMenu
*));
1530 = (int *) xrealloc (menu
->panenumber
, count
* sizeof (int));
1534 /* Search the given menu structure for a given pane number. */
1536 IT_menu_search_pane (XMenu
*menu
, int pane
)
1541 for (i
= 0; i
< menu
->count
; i
++)
1542 if (menu
->submenu
[i
])
1543 if (pane
== menu
->panenumber
[i
])
1544 return menu
->submenu
[i
];
1546 if ((try = IT_menu_search_pane (menu
->submenu
[i
], pane
)))
1551 /* Determine how much screen space a given menu needs. */
1553 IT_menu_calc_size (XMenu
*menu
, int *width
, int *height
)
1555 int i
, h2
, w2
, maxsubwidth
, maxheight
;
1558 maxheight
= menu
->count
;
1559 for (i
= 0; i
< menu
->count
; i
++)
1561 if (menu
->submenu
[i
])
1563 IT_menu_calc_size (menu
->submenu
[i
], &w2
, &h2
);
1564 if (w2
> maxsubwidth
) maxsubwidth
= w2
;
1565 if (i
+ h2
> maxheight
) maxheight
= i
+ h2
;
1568 *width
= menu
->width
+ maxsubwidth
;
1569 *height
= maxheight
;
1572 /* Display MENU at (X,Y) using FACES. */
1574 IT_menu_display (XMenu
*menu
, int y
, int x
, int *faces
)
1576 int i
, j
, face
, width
;
1580 int enabled
, mousehere
;
1583 width
= menu
->width
;
1584 text
= (GLYPH
*) xmalloc ((width
+ 2) * sizeof (GLYPH
));
1585 ScreenGetCursor (&row
, &col
);
1586 mouse_get_xy (&mx
, &my
);
1588 (*update_begin_hook
) ();
1589 for (i
= 0; i
< menu
->count
; i
++)
1591 (*cursor_to_hook
) (y
+ i
, x
);
1593 = (!menu
->submenu
[i
] && menu
->panenumber
[i
]) || (menu
->submenu
[i
]);
1594 mousehere
= (y
+ i
== my
&& x
<= mx
&& mx
< x
+ width
+ 2);
1595 face
= faces
[enabled
+ mousehere
* 2];
1597 *p
++ = FAST_MAKE_GLYPH (' ', face
);
1598 for (j
= 0, q
= menu
->text
[i
]; *q
; j
++)
1599 *p
++ = FAST_MAKE_GLYPH (*q
++, face
);
1600 for (; j
< width
; j
++)
1601 *p
++ = FAST_MAKE_GLYPH (' ', face
);
1602 *p
++ = FAST_MAKE_GLYPH (menu
->submenu
[i
] ? 16 : ' ', face
);
1603 (*write_glyphs_hook
) (text
, width
+ 2);
1605 internal_flush (stdout
);
1606 (*update_end_hook
) ();
1608 ScreenSetCursor (row
, col
);
1612 /* Create a brand new menu structure. */
1614 XMenuCreate (Display
*foo1
, Window foo2
, char *foo3
)
1616 return IT_menu_create ();
1619 /* Create a new pane and place it on the outer-most level. It is not
1620 clear that it should be placed out there, but I don't know what else
1623 XMenuAddPane (Display
*foo
, XMenu
*menu
, char *txt
, int enable
)
1630 IT_menu_make_room (menu
);
1631 menu
->submenu
[menu
->count
] = IT_menu_create ();
1632 menu
->text
[menu
->count
] = txt
;
1633 menu
->panenumber
[menu
->count
] = ++menu
->panecount
;
1635 if ((len
= strlen (txt
)) > menu
->width
) menu
->width
= len
;
1636 return menu
->panecount
;
1639 /* Create a new item in a menu pane. */
1641 XMenuAddSelection (Display
*bar
, XMenu
*menu
, int pane
,
1642 int foo
, char *txt
, int enable
)
1647 if (!(menu
= IT_menu_search_pane (menu
, pane
)))
1649 IT_menu_make_room (menu
);
1650 menu
->submenu
[menu
->count
] = (XMenu
*) 0;
1651 menu
->text
[menu
->count
] = txt
;
1652 menu
->panenumber
[menu
->count
] = enable
;
1654 if ((len
= strlen (txt
)) > menu
->width
) menu
->width
= len
;
1658 /* Decide where the menu would be placed if requested at (X,Y). */
1660 XMenuLocate (Display
*foo0
, XMenu
*menu
, int foo1
, int foo2
, int x
, int y
,
1661 int *ulx
, int *uly
, int *width
, int *height
)
1663 if (menu
->count
== 1 && menu
->submenu
[0])
1664 /* Special case: the menu consists of only one pane. */
1665 IT_menu_calc_size (menu
->submenu
[0], width
, height
);
1667 IT_menu_calc_size (menu
, width
, height
);
1675 void *screen_behind
;
1682 /* Display menu, wait for user's response, and return that response. */
1684 XMenuActivate (Display
*foo
, XMenu
*menu
, int *pane
, int *selidx
,
1685 int x0
, int y0
, unsigned ButtonMask
, char **txt
)
1687 IT_menu_state
*state
;
1691 int faces
[4], selectface
;
1692 int leave
, result
, onepane
;
1694 /* Just in case we got here without a mouse present... */
1696 return XM_IA_SELECT
;
1698 state
= alloca (menu
->panecount
* sizeof (IT_menu_state
));
1699 screensize
= ScreenRows () * ScreenCols () * 2;
1701 = compute_glyph_face (&the_only_frame
,
1704 intern ("msdos-menu-passive-face")),
1707 = compute_glyph_face (&the_only_frame
,
1710 intern ("msdos-menu-active-face")),
1713 = face_name_id_number (&the_only_frame
, intern ("msdos-menu-select-face"));
1714 faces
[2] = compute_glyph_face (&the_only_frame
, selectface
, faces
[0]);
1715 faces
[3] = compute_glyph_face (&the_only_frame
, selectface
, faces
[1]);
1718 state
[0].menu
= menu
;
1720 ScreenRetrieve (state
[0].screen_behind
= xmalloc (screensize
));
1722 if ((onepane
= menu
->count
== 1 && menu
->submenu
[0]))
1724 menu
->width
= menu
->submenu
[0]->width
;
1725 state
[0].menu
= menu
->submenu
[0];
1729 state
[0].menu
= menu
;
1731 state
[0].x
= x0
- 1;
1733 state
[0].pane
= onepane
;
1735 mouse_last_x
= -1; /* A hack that forces display. */
1739 mouse_check_moved ();
1743 result
= XM_IA_SELECT
;
1744 mouse_get_xy (&x
, &y
);
1745 for (i
= 0; i
< statecount
; i
++)
1746 if (state
[i
].x
<= x
&& x
< state
[i
].x
+ state
[i
].menu
->width
+ 2)
1748 int dy
= y
- state
[i
].y
;
1749 if (0 <= dy
&& dy
< state
[i
].menu
->count
)
1751 if (!state
[i
].menu
->submenu
[dy
])
1752 if (state
[i
].menu
->panenumber
[dy
])
1753 result
= XM_SUCCESS
;
1755 result
= XM_IA_SELECT
;
1756 *pane
= state
[i
].pane
- 1;
1758 /* We hit some part of a menu, so drop extra menues that
1759 have been opened. That does not include an open and
1761 if (i
!= statecount
- 2
1762 || state
[i
].menu
->submenu
[dy
] != state
[i
+1].menu
)
1763 while (i
!= statecount
- 1)
1767 ScreenUpdate (state
[statecount
].screen_behind
);
1769 xfree (state
[statecount
].screen_behind
);
1771 if (i
== statecount
- 1 && state
[i
].menu
->submenu
[dy
])
1773 IT_menu_display (state
[i
].menu
,
1777 state
[statecount
].menu
= state
[i
].menu
->submenu
[dy
];
1778 state
[statecount
].pane
= state
[i
].menu
->panenumber
[dy
];
1780 ScreenRetrieve (state
[statecount
].screen_behind
1781 = xmalloc (screensize
));
1784 = state
[i
].x
+ state
[i
].menu
->width
+ 2;
1785 state
[statecount
].y
= y
;
1790 IT_menu_display (state
[statecount
- 1].menu
,
1791 state
[statecount
- 1].y
,
1792 state
[statecount
- 1].x
,
1795 for (b
= 0; b
< mouse_button_count
; b
++)
1797 (void) mouse_pressed (b
, &x
, &y
);
1798 if (mouse_released (b
, &x
, &y
))
1804 ScreenUpdate (state
[0].screen_behind
);
1806 while (statecount
--)
1807 xfree (state
[statecount
].screen_behind
);
1811 /* Dispose of a menu. */
1813 XMenuDestroy (Display
*foo
, XMenu
*menu
)
1816 if (menu
->allocated
)
1818 for (i
= 0; i
< menu
->count
; i
++)
1819 if (menu
->submenu
[i
])
1820 XMenuDestroy (foo
, menu
->submenu
[i
]);
1822 xfree (menu
->submenu
);
1823 xfree (menu
->panenumber
);
1828 int x_pixel_width (struct frame
*f
)
1830 return FRAME_WIDTH(f
);
1833 int x_pixel_height (struct frame
*f
)
1835 return FRAME_HEIGHT(f
);
1837 #endif /* !HAVE_X_WINDOWS */