Commit | Line | Data |
---|---|---|
1b94449f RS |
1 | /* MS-DOS specific Lisp utilities. Coded by Manabu Higashida, 1991. |
2 | Major changes May-July 1993 Morten Welinder (only 10% original code left) | |
acaf905b | 3 | Copyright (C) 1991, 1993, 1996-1998, 2001-2012 Free Software Foundation, Inc. |
1b94449f RS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
1b94449f | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
1b94449f RS |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
1b94449f | 19 | |
48984716 | 20 | #include <config.h> |
1b94449f RS |
21 | |
22 | #ifdef MSDOS | |
23 | /* The entire file is within this conditional */ | |
24 | ||
25 | #include <stdio.h> | |
e3ac1281 | 26 | /* gettime and settime in dos.h clash with their namesakes from |
0d23c240 EZ |
27 | gnulib, so we move out of our way the prototypes in dos.h. */ |
28 | #define gettime dos_h_gettime_ | |
29 | #define settime dos_h_settime_ | |
1b94449f | 30 | #include <dos.h> |
0d23c240 EZ |
31 | #undef gettime |
32 | #undef settime | |
d7306fe6 | 33 | #include <setjmp.h> |
1b94449f | 34 | #include "lisp.h" |
e5560ff7 | 35 | #include "character.h" |
1b94449f RS |
36 | #include "buffer.h" |
37 | #include "termchar.h" | |
1b94449f | 38 | #include "frame.h" |
c06981c0 | 39 | #include "termhooks.h" |
838a94b8 EZ |
40 | #include "blockinput.h" |
41 | #include "window.h" | |
1b94449f RS |
42 | #include "dosfns.h" |
43 | #include "msdos.h" | |
e4441df0 | 44 | #include "dispextern.h" |
76a76a57 | 45 | #include "coding.h" |
e5c9f94c | 46 | #include "process.h" |
838a94b8 | 47 | #include <dpmi.h> |
5f08dc78 | 48 | #include <go32.h> |
50666766 | 49 | #include <dirent.h> |
76a76a57 | 50 | #include <sys/vfs.h> |
e5c9f94c EZ |
51 | #include <unistd.h> |
52 | #include <grp.h> | |
53 | #include <crt0.h> | |
1b94449f | 54 | |
1b94449f | 55 | DEFUN ("int86", Fint86, Sint86, 2, 2, 0, |
8fc29035 | 56 | doc: /* Call specific MS-DOS interrupt number INTERRUPT with REGISTERS. |
7363986a PJ |
57 | Return the updated REGISTER vector. |
58 | ||
59 | INTERRUPT should be an integer in the range 0 to 255. | |
60 | REGISTERS should be a vector produced by `make-register' and | |
61 | `set-register-value'. */) | |
5842a27b | 62 | (Lisp_Object interrupt, Lisp_Object registers) |
1b94449f RS |
63 | { |
64 | register int i; | |
65 | int no; | |
66 | union REGS inregs, outregs; | |
1b94449f | 67 | |
b7826503 | 68 | CHECK_NUMBER (interrupt); |
e20104ba | 69 | no = (unsigned long) XINT (interrupt); |
b7826503 | 70 | CHECK_VECTOR (registers); |
8db90b73 | 71 | if (no < 0 || no > 0xff || ASIZE (registers) != 8) |
1b94449f RS |
72 | return Qnil; |
73 | for (i = 0; i < 8; i++) | |
28be1ada | 74 | CHECK_NUMBER (AREF (registers, i)); |
1b94449f | 75 | |
28be1ada DA |
76 | inregs.x.ax = (unsigned long) XFASTINT (AREF (registers, 0)); |
77 | inregs.x.bx = (unsigned long) XFASTINT (AREF (registers, 1)); | |
78 | inregs.x.cx = (unsigned long) XFASTINT (AREF (registers, 2)); | |
79 | inregs.x.dx = (unsigned long) XFASTINT (AREF (registers, 3)); | |
80 | inregs.x.si = (unsigned long) XFASTINT (AREF (registers, 4)); | |
81 | inregs.x.di = (unsigned long) XFASTINT (AREF (registers, 5)); | |
82 | inregs.x.cflag = (unsigned long) XFASTINT (AREF (registers, 6)); | |
83 | inregs.x.flags = (unsigned long) XFASTINT (AREF (registers, 7)); | |
1b94449f RS |
84 | |
85 | int86 (no, &inregs, &outregs); | |
86 | ||
28be1ada DA |
87 | ASET (registers, 0, make_number (outregs.x.ax)); |
88 | ASET (registers, 1, make_number (outregs.x.bx)); | |
89 | ASET (registers, 2, make_number (outregs.x.cx)); | |
90 | ASET (registers, 3, make_number (outregs.x.dx)); | |
91 | ASET (registers, 4, make_number (outregs.x.si)); | |
92 | ASET (registers, 5, make_number (outregs.x.di)); | |
93 | ASET (registers, 6, make_number (outregs.x.cflag)); | |
94 | ASET (registers, 7, make_number (outregs.x.flags)); | |
1b94449f | 95 | |
e20104ba | 96 | return registers; |
1b94449f RS |
97 | } |
98 | ||
5f08dc78 | 99 | DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, |
7363986a PJ |
100 | doc: /* Read DOS memory at offset ADDRESS into VECTOR. |
101 | Return the updated VECTOR. */) | |
5842a27b | 102 | (Lisp_Object address, Lisp_Object vector) |
5f08dc78 KS |
103 | { |
104 | register int i; | |
105 | int offs, len; | |
106 | char *buf; | |
5f08dc78 | 107 | |
b7826503 | 108 | CHECK_NUMBER (address); |
e20104ba | 109 | offs = (unsigned long) XINT (address); |
b7826503 | 110 | CHECK_VECTOR (vector); |
8db90b73 | 111 | len = ASIZE (vector); |
238a44a8 | 112 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
113 | return Qnil; |
114 | buf = alloca (len); | |
115 | dosmemget (offs, len, buf); | |
b058cb36 | 116 | |
5f08dc78 | 117 | for (i = 0; i < len; i++) |
28be1ada | 118 | ASET (vector, i, make_number (buf[i])); |
5f08dc78 | 119 | |
e20104ba | 120 | return vector; |
5f08dc78 KS |
121 | } |
122 | ||
123 | DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, | |
7363986a | 124 | doc: /* Write DOS memory at offset ADDRESS from VECTOR. */) |
5842a27b | 125 | (Lisp_Object address, Lisp_Object vector) |
5f08dc78 KS |
126 | { |
127 | register int i; | |
128 | int offs, len; | |
129 | char *buf; | |
5f08dc78 | 130 | |
b7826503 | 131 | CHECK_NUMBER (address); |
e20104ba | 132 | offs = (unsigned long) XINT (address); |
b7826503 | 133 | CHECK_VECTOR (vector); |
8db90b73 | 134 | len = ASIZE (vector); |
238a44a8 | 135 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
136 | return Qnil; |
137 | buf = alloca (len); | |
138 | ||
139 | for (i = 0; i < len; i++) | |
140 | { | |
28be1ada DA |
141 | CHECK_NUMBER (AREF (vector, i)); |
142 | buf[i] = (unsigned char) XFASTINT (AREF (vector, i)) & 0xFF; | |
5f08dc78 KS |
143 | } |
144 | ||
145 | dosmemput (buf, len, offs); | |
146 | return Qt; | |
147 | } | |
148 | ||
149 | DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0, | |
7363986a PJ |
150 | doc: /* Set keyboard layout according to COUNTRY-CODE. |
151 | If the optional argument ALLKEYS is non-nil, the keyboard is mapped for | |
152 | all keys; otherwise it is only used when the ALT key is pressed. | |
153 | The current keyboard layout is available in dos-keyboard-code. */) | |
5842a27b | 154 | (Lisp_Object country_code, Lisp_Object allkeys) |
5f08dc78 | 155 | { |
b7826503 | 156 | CHECK_NUMBER (country_code); |
5f08dc78 KS |
157 | if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) |
158 | return Qnil; | |
159 | return Qt; | |
160 | } | |
161 | ||
87485d6f MW |
162 | #ifndef HAVE_X_WINDOWS |
163 | /* Later we might want to control the mouse interface with this function, | |
164 | e.g., with respect to non-80 column screen modes. */ | |
165 | ||
7363986a PJ |
166 | DEFUN ("msdos-mouse-p", Fmsdos_mouse_p, Smsdos_mouse_p, 0, 0, 0, |
167 | doc: /* Report whether a mouse is present. */) | |
5842a27b | 168 | (void) |
87485d6f MW |
169 | { |
170 | if (have_mouse) | |
171 | return Qt; | |
172 | else | |
173 | return Qnil; | |
174 | } | |
87485d6f MW |
175 | #endif |
176 | ||
ac3b0279 | 177 | DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", |
7363986a | 178 | doc: /* Initialize and enable mouse if available. */) |
5842a27b | 179 | (void) |
ac3b0279 | 180 | { |
5f08dc78 KS |
181 | if (have_mouse) |
182 | { | |
183 | have_mouse = 1; | |
184 | mouse_init (); | |
185 | return Qt; | |
186 | } | |
ac3b0279 RS |
187 | return Qnil; |
188 | } | |
189 | ||
190 | DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", | |
7363986a | 191 | doc: /* Enable mouse if available. */) |
5842a27b | 192 | (void) |
ac3b0279 RS |
193 | { |
194 | if (have_mouse) | |
195 | { | |
5f08dc78 KS |
196 | have_mouse = 1; |
197 | mouse_on (); | |
ac3b0279 RS |
198 | } |
199 | return have_mouse ? Qt : Qnil; | |
200 | } | |
201 | ||
202 | DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", | |
7363986a | 203 | doc: /* Disable mouse if available. */) |
5842a27b | 204 | (void) |
ac3b0279 RS |
205 | { |
206 | mouse_off (); | |
207 | if (have_mouse) have_mouse = -1; | |
208 | return Qnil; | |
209 | } | |
210 | ||
7363986a | 211 | DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", |
cd53fb50 | 212 | doc: /* Insert copy of screen contents prior to starting Emacs. |
7363986a | 213 | Return nil if startup screen is not available. */) |
5842a27b | 214 | (void) |
5f08dc78 KS |
215 | { |
216 | char *s; | |
b058cb36 EZ |
217 | int rows, cols, i, j; |
218 | ||
5f08dc78 KS |
219 | if (!dos_get_saved_screen (&s, &rows, &cols)) |
220 | return Qnil; | |
b058cb36 | 221 | |
5f08dc78 KS |
222 | for (i = 0; i < rows; i++) |
223 | { | |
224 | for (j = 0; j < cols; j++) | |
225 | { | |
65788bc2 | 226 | insert_char (*s); |
5f08dc78 KS |
227 | s += 2; |
228 | } | |
65788bc2 | 229 | insert_char ('\n'); |
5f08dc78 KS |
230 | } |
231 | ||
232 | return Qt; | |
233 | } | |
87485d6f | 234 | \f |
5f08dc78 | 235 | unsigned char dos_country_info[DOS_COUNTRY_INFO]; |
e089dc62 RS |
236 | static unsigned char usa_country_info[DOS_COUNTRY_INFO] = { |
237 | 0, 0, /* date format */ | |
238 | '$', 0, 0, 0, 0, /* currency string */ | |
239 | ',', 0, /* thousands separator */ | |
240 | '.', 0, /* decimal separator */ | |
241 | '/', 0, /* date separator */ | |
242 | ':', 0, /* time separator */ | |
243 | 0, /* currency format */ | |
244 | 2, /* digits after decimal in currency */ | |
245 | 0, /* time format */ | |
246 | 0, 0, 0, 0, /* address of case map routine, GPF if used */ | |
247 | ' ', 0, /* data-list separator (?) */ | |
248 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* reserved */ | |
249 | }; | |
5f08dc78 | 250 | |
838a94b8 EZ |
251 | #ifndef HAVE_X_WINDOWS |
252 | static unsigned dos_windows_version; | |
838a94b8 EZ |
253 | char parent_vm_title[50]; /* Ralf Brown says 30 is enough */ |
254 | int w95_set_virtual_machine_title (const char *); | |
255 | ||
256 | void | |
257 | restore_parent_vm_title (void) | |
258 | { | |
259 | if (NILP (Vdos_windows_version)) | |
260 | return; | |
261 | if ((dos_windows_version & 0xff) >= 4 && parent_vm_title[0]) | |
262 | w95_set_virtual_machine_title (parent_vm_title); | |
263 | delay (50); | |
264 | } | |
265 | #endif /* !HAVE_X_WINDOWS */ | |
b058cb36 | 266 | |
1b94449f | 267 | void |
3a8ce822 | 268 | init_dosfns (void) |
1b94449f RS |
269 | { |
270 | union REGS regs; | |
1b94449f | 271 | _go32_dpmi_registers dpmiregs; |
e089dc62 | 272 | unsigned long xbuf = _go32_info_block.linear_address_of_transfer_buffer; |
1b94449f | 273 | |
87485d6f | 274 | #ifndef SYSTEM_MALLOC |
891ef8f7 EZ |
275 | extern void get_lim_data (void); |
276 | ||
1b94449f | 277 | get_lim_data (); /* why the hell isn't this called elsewhere? */ |
87485d6f | 278 | #endif |
1b94449f RS |
279 | |
280 | regs.x.ax = 0x3000; | |
281 | intdos (®s, ®s); | |
282 | Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); | |
283 | ||
e089dc62 RS |
284 | /* Obtain the country code via DPMI, use DJGPP transfer buffer. */ |
285 | dpmiregs.x.ax = 0x3800; | |
7a2fd369 | 286 | dpmiregs.x.ds = xbuf >> 4; |
e089dc62 RS |
287 | dpmiregs.x.dx = 0; |
288 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
289 | _go32_dpmi_simulate_int (0x21, &dpmiregs); | |
290 | if (dpmiregs.x.flags & 1) | |
291 | { | |
292 | dos_country_code = 1; /* assume USA if 213800 failed */ | |
293 | memcpy (dos_country_info, usa_country_info, DOS_COUNTRY_INFO); | |
294 | } | |
1b94449f RS |
295 | else |
296 | { | |
1b94449f | 297 | dos_country_code = dpmiregs.x.bx; |
e089dc62 | 298 | dosmemget (xbuf, DOS_COUNTRY_INFO, dos_country_info); |
1b94449f | 299 | } |
e089dc62 | 300 | |
5f08dc78 | 301 | dos_set_keyboard (dos_country_code, 0); |
1b94449f RS |
302 | |
303 | regs.x.ax = 0x6601; | |
304 | intdos (®s, ®s); | |
305 | if (regs.x.cflag) | |
306 | /* Estimate code page from country code */ | |
b058cb36 | 307 | switch (dos_country_code) |
1b94449f RS |
308 | { |
309 | case 45: /* Denmark */ | |
310 | case 47: /* Norway */ | |
311 | dos_codepage = 865; | |
312 | break; | |
313 | default: | |
314 | /* US */ | |
315 | dos_codepage = 437; | |
316 | } | |
317 | else | |
318 | dos_codepage = regs.x.bx & 0xffff; | |
50666766 | 319 | |
838a94b8 EZ |
320 | #ifndef HAVE_X_WINDOWS |
321 | parent_vm_title[0] = '\0'; | |
322 | ||
323 | /* If we are running from DOS box on MS-Windows, get Windows version. */ | |
324 | dpmiregs.x.ax = 0x1600; /* enhanced mode installation check */ | |
325 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
326 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
327 | /* We only support Windows-specific features when we run on Windows 9X | |
328 | or on Windows 3.X/enhanced mode. | |
329 | ||
330 | Int 2Fh/AX=1600h returns: | |
331 | ||
332 | AL = 00: no Windows at all; | |
333 | AL = 01: Windows/386 2.x; | |
334 | AL = 80h: Windows 3.x in mode other than enhanced; | |
335 | AL = FFh: Windows/386 2.x | |
336 | ||
337 | We also check AH > 0 (Windows 3.1 or later), in case AL tricks us. */ | |
338 | if (dpmiregs.h.al > 2 && dpmiregs.h.al != 0x80 && dpmiregs.h.al != 0xff | |
339 | && (dpmiregs.h.al > 3 || dpmiregs.h.ah > 0)) | |
340 | { | |
341 | dos_windows_version = dpmiregs.x.ax; | |
342 | Vdos_windows_version = | |
343 | Fcons (make_number (dpmiregs.h.al), make_number (dpmiregs.h.ah)); | |
344 | ||
345 | /* Save the current title of this virtual machine, so we can restore | |
346 | it before exiting. Otherwise, Windows 95 will continue to use | |
347 | the title we set even after we are history, stupido... */ | |
348 | if (dpmiregs.h.al >= 4) | |
349 | { | |
350 | dpmiregs.x.ax = 0x168e; | |
351 | dpmiregs.x.dx = 3; /* get VM title */ | |
5e617bc2 | 352 | dpmiregs.x.cx = sizeof (parent_vm_title) - 1; |
838a94b8 EZ |
353 | dpmiregs.x.es = __tb >> 4; |
354 | dpmiregs.x.di = __tb & 15; | |
355 | dpmiregs.x.sp = dpmiregs.x.ss = dpmiregs.x.flags = 0; | |
356 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
357 | if (dpmiregs.x.ax == 1) | |
5e617bc2 | 358 | dosmemget (__tb, sizeof (parent_vm_title), parent_vm_title); |
838a94b8 EZ |
359 | } |
360 | } | |
361 | else | |
362 | { | |
363 | dos_windows_version = 0; | |
364 | Vdos_windows_version = Qnil; | |
365 | } | |
366 | #endif /* !HAVE_X_WINDOWS */ | |
367 | ||
459f4042 RS |
368 | /* Without this, we never see hidden files. |
369 | Don't OR it with the previous value, so the value recorded at dump | |
370 | time, possibly with `preserve-case' flags set, won't get through. */ | |
371 | __opendir_flags = __OPENDIR_FIND_HIDDEN; | |
372 | ||
373 | #if __DJGPP_MINOR__ == 0 | |
374 | /* Under LFN, preserve the case of files as recorded in the directory | |
375 | (in DJGPP 2.01 and later this is automagically done by the library). */ | |
50666766 RS |
376 | if (!NILP (Fmsdos_long_file_names ())) |
377 | __opendir_flags |= __OPENDIR_PRESERVE_CASE; | |
459f4042 | 378 | #endif /* __DJGPP_MINOR__ == 0 */ |
1b94449f RS |
379 | } |
380 | \f | |
838a94b8 | 381 | #ifndef HAVE_X_WINDOWS |
e4441df0 EZ |
382 | |
383 | /* Emulation of some X window features from xfns.c and xfaces.c. */ | |
384 | ||
385 | /* Standard VGA colors, in the order of their standard numbering | |
386 | in the default VGA palette. */ | |
387 | static char *vga_colors[16] = { | |
388 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
389 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
390 | "lightred", "lightmagenta", "yellow", "white" | |
391 | }; | |
392 | ||
393 | /* Given a color name, return its index, or -1 if not found. Note | |
394 | that this only performs case-insensitive comparison against the | |
395 | standard names. For anything more sophisticated, like matching | |
396 | "gray" with "grey" or translating X color names into their MSDOS | |
2d764c78 EZ |
397 | equivalents, call the Lisp function Qtty_color_desc (defined |
398 | on lisp/term/tty-colors.el). */ | |
e4441df0 EZ |
399 | int |
400 | msdos_stdcolor_idx (const char *name) | |
401 | { | |
402 | int i; | |
403 | ||
404 | for (i = 0; i < sizeof (vga_colors) / sizeof (vga_colors[0]); i++) | |
05131107 | 405 | if (xstrcasecmp (name, vga_colors[i]) == 0) |
e4441df0 EZ |
406 | return i; |
407 | ||
f9d2fdc4 | 408 | return |
24480d5b EZ |
409 | strcmp (name, unspecified_fg) == 0 ? FACE_TTY_DEFAULT_FG_COLOR |
410 | : strcmp (name, unspecified_bg) == 0 ? FACE_TTY_DEFAULT_BG_COLOR | |
f9d2fdc4 | 411 | : FACE_TTY_DEFAULT_COLOR; |
e4441df0 EZ |
412 | } |
413 | ||
414 | /* Given a color index, return its standard name. */ | |
2d764c78 | 415 | Lisp_Object |
e4441df0 EZ |
416 | msdos_stdcolor_name (int idx) |
417 | { | |
24480d5b EZ |
418 | extern Lisp_Object Qunspecified; |
419 | ||
420 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) | |
421 | return build_string (unspecified_fg); | |
422 | else if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
423 | return build_string (unspecified_bg); | |
424 | else if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
425 | return build_string (vga_colors[idx]); | |
426 | else | |
427 | return Qunspecified; /* meaning the default */ | |
e4441df0 EZ |
428 | } |
429 | ||
838a94b8 EZ |
430 | /* Support for features that are available when we run in a DOS box |
431 | on MS-Windows. */ | |
432 | int | |
433 | ms_windows_version (void) | |
434 | { | |
435 | return dos_windows_version; | |
436 | } | |
437 | ||
438 | /* Set the title of the current virtual machine, to appear on | |
439 | the caption bar of that machine's window. */ | |
440 | ||
441 | int | |
442 | w95_set_virtual_machine_title (const char *title_string) | |
443 | { | |
444 | /* Only Windows 9X (version 4 and higher) support this function. */ | |
445 | if (!NILP (Vdos_windows_version) | |
446 | && (dos_windows_version & 0xff) >= 4) | |
447 | { | |
448 | _go32_dpmi_registers regs; | |
449 | dosmemput (title_string, strlen (title_string) + 1, __tb); | |
450 | regs.x.ax = 0x168e; | |
451 | regs.x.dx = 1; | |
452 | regs.x.es = __tb >> 4; | |
453 | regs.x.di = __tb & 15; | |
454 | regs.x.sp = regs.x.ss = regs.x.flags = 0; | |
455 | _go32_dpmi_simulate_int (0x2f, ®s); | |
456 | return regs.x.ax == 1; | |
457 | } | |
458 | return 0; | |
459 | } | |
460 | ||
461 | /* Change the title of frame F to NAME. | |
462 | If NAME is nil, use the frame name as the title. | |
463 | ||
464 | If Emacs is not run from a DOS box on Windows 9X, this only | |
465 | sets the name in the frame struct, but has no other effects. */ | |
466 | ||
467 | void | |
3a8ce822 | 468 | x_set_title (struct frame *f, Lisp_Object name) |
838a94b8 EZ |
469 | { |
470 | /* Don't change the title if it's already NAME. */ | |
e69b0960 | 471 | if (EQ (name, f->title)) |
838a94b8 EZ |
472 | return; |
473 | ||
474 | update_mode_lines = 1; | |
475 | ||
edd74c35 | 476 | FSET (f, title, name); |
838a94b8 EZ |
477 | |
478 | if (NILP (name)) | |
e69b0960 | 479 | name = f->name; |
838a94b8 EZ |
480 | |
481 | if (FRAME_MSDOS_P (f)) | |
482 | { | |
483 | BLOCK_INPUT; | |
d5db4077 | 484 | w95_set_virtual_machine_title (SDATA (name)); |
838a94b8 EZ |
485 | UNBLOCK_INPUT; |
486 | } | |
487 | } | |
488 | #endif /* !HAVE_X_WINDOWS */ | |
489 | \f | |
76a76a57 | 490 | DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0, |
7363986a PJ |
491 | doc: /* Return storage information about the file system FILENAME is on. |
492 | Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total | |
493 | storage of the file system, FREE is the free storage, and AVAIL is the | |
494 | storage available to a non-superuser. All 3 numbers are in bytes. | |
495 | If the underlying system call fails, value is nil. */) | |
5842a27b | 496 | (Lisp_Object filename) |
76a76a57 EZ |
497 | { |
498 | struct statfs stfs; | |
499 | Lisp_Object encoded, value; | |
500 | ||
b7826503 | 501 | CHECK_STRING (filename); |
76a76a57 EZ |
502 | filename = Fexpand_file_name (filename, Qnil); |
503 | encoded = ENCODE_FILE (filename); | |
504 | ||
d5db4077 | 505 | if (statfs (SDATA (encoded), &stfs)) |
76a76a57 EZ |
506 | value = Qnil; |
507 | else | |
508 | value = list3 (make_float ((double) stfs.f_bsize * stfs.f_blocks), | |
509 | make_float ((double) stfs.f_bsize * stfs.f_bfree), | |
510 | make_float ((double) stfs.f_bsize * stfs.f_bavail)); | |
511 | ||
512 | return value; | |
513 | } | |
514 | \f | |
e5c9f94c EZ |
515 | /* System depended enumeration of and access to system processes a-la |
516 | ps(1). Here, we only return info about the running Emacs process. | |
517 | (There are no other processes on DOS, right?) */ | |
518 | ||
519 | Lisp_Object | |
3a8ce822 | 520 | list_system_processes (void) |
e5c9f94c EZ |
521 | { |
522 | Lisp_Object proclist = Qnil; | |
523 | ||
524 | proclist = Fcons (make_fixnum_or_float (getpid ()), proclist); | |
525 | ||
526 | return proclist; | |
527 | } | |
528 | ||
529 | Lisp_Object | |
530 | system_process_attributes (Lisp_Object pid) | |
531 | { | |
532 | int proc_id; | |
533 | Lisp_Object attrs = Qnil; | |
534 | ||
535 | CHECK_NUMBER_OR_FLOAT (pid); | |
536 | proc_id = FLOATP (pid) ? XFLOAT_DATA (pid) : XINT (pid); | |
537 | ||
538 | if (proc_id == getpid ()) | |
539 | { | |
540 | EMACS_INT uid, gid; | |
541 | char *usr; | |
542 | struct group *gr; | |
543 | char cmd[FILENAME_MAX]; | |
544 | char *cmdline = NULL, *p, *q; | |
545 | size_t cmdline_size = 0; | |
546 | int i; | |
547 | Lisp_Object cmd_str, decoded_cmd, tem; | |
548 | double pmem; | |
693a2698 | 549 | #ifndef SYSTEM_MALLOC |
e5c9f94c | 550 | extern unsigned long ret_lim_data (); |
693a2698 | 551 | #endif |
e5c9f94c EZ |
552 | |
553 | uid = getuid (); | |
554 | attrs = Fcons (Fcons (Qeuid, make_fixnum_or_float (uid)), attrs); | |
555 | usr = getlogin (); | |
556 | if (usr) | |
557 | attrs = Fcons (Fcons (Quser, build_string (usr)), attrs); | |
558 | gid = getgid (); | |
559 | attrs = Fcons (Fcons (Qegid, make_fixnum_or_float (gid)), attrs); | |
560 | gr = getgrgid (gid); | |
561 | if (gr) | |
562 | attrs = Fcons (Fcons (Qgroup, build_string (gr->gr_name)), attrs); | |
563 | strcpy (cmd, basename (__crt0_argv[0])); | |
564 | /* Command name is encoded in locale-coding-system; decode it. */ | |
d7ea76b4 | 565 | cmd_str = build_unibyte_string (cmd); |
e5c9f94c EZ |
566 | decoded_cmd = code_convert_string_norecord (cmd_str, |
567 | Vlocale_coding_system, 0); | |
568 | attrs = Fcons (Fcons (Qcomm, decoded_cmd), attrs); | |
569 | /* Pretend we have 0 as PPID. */ | |
570 | attrs = Fcons (Fcons (Qppid, make_number (0)), attrs); | |
571 | attrs = Fcons (Fcons (Qpgrp, pid), attrs); | |
572 | attrs = Fcons (Fcons (Qttname, build_string ("/dev/tty")), attrs); | |
573 | /* We are never idle! */ | |
574 | tem = Fget_internal_run_time (); | |
575 | attrs = Fcons (Fcons (Qtime, tem), attrs); | |
576 | attrs = Fcons (Fcons (Qthcount, make_number (1)), attrs); | |
577 | attrs = Fcons (Fcons (Qstart, | |
578 | Fsymbol_value (intern ("before-init-time"))), | |
579 | attrs); | |
580 | attrs = Fcons (Fcons (Qvsize, | |
5e617bc2 | 581 | make_fixnum_or_float ((unsigned long)sbrk (0)/1024)), |
e5c9f94c EZ |
582 | attrs); |
583 | attrs = Fcons (Fcons (Qetime, tem), attrs); | |
693a2698 EZ |
584 | #ifndef SYSTEM_MALLOC |
585 | /* ret_lim_data is on vm-limit.c, which is not compiled in under | |
586 | SYSTEM_MALLOC. */ | |
e5c9f94c EZ |
587 | pmem = (double)((unsigned long) sbrk (0)) / ret_lim_data () * 100.0; |
588 | if (pmem > 100) | |
693a2698 | 589 | #endif |
e5c9f94c EZ |
590 | pmem = 100; |
591 | attrs = Fcons (Fcons (Qpmem, make_float (pmem)), attrs); | |
592 | /* Pass 1: Count how much storage we need. */ | |
593 | for (i = 0; i < __crt0_argc; i++) | |
594 | { | |
595 | cmdline_size += strlen (__crt0_argv[i]) + 1; /* +1 for blank delim */ | |
596 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
597 | { | |
598 | cmdline_size += 2; | |
599 | for (p = __crt0_argv[i]; *p; p++) | |
600 | { | |
601 | if (*p == '"') | |
602 | cmdline_size++; | |
603 | } | |
604 | } | |
605 | } | |
606 | /* Pass 2: Allocate storage and concatenate argv[]. */ | |
607 | cmdline = xmalloc (cmdline_size + 1); | |
608 | for (i = 0, q = cmdline; i < __crt0_argc; i++) | |
609 | { | |
610 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
611 | { | |
612 | *q++ = '"'; | |
613 | for (p = __crt0_argv[i]; *p; p++) | |
614 | { | |
615 | if (*p == '\"') | |
616 | *q++ = '\\'; | |
617 | *q++ = *p; | |
618 | } | |
619 | *q++ = '"'; | |
620 | } | |
621 | else | |
622 | { | |
623 | strcpy (q, __crt0_argv[i]); | |
624 | q += strlen (__crt0_argv[i]); | |
625 | } | |
626 | *q++ = ' '; | |
627 | } | |
628 | /* Remove the trailing blank. */ | |
629 | if (q > cmdline) | |
630 | q[-1] = '\0'; | |
631 | ||
632 | /* Command line is encoded in locale-coding-system; decode it. */ | |
d7ea76b4 | 633 | cmd_str = build_unibyte_string (cmdline); |
e5c9f94c EZ |
634 | decoded_cmd = code_convert_string_norecord (cmd_str, |
635 | Vlocale_coding_system, 0); | |
636 | xfree (cmdline); | |
637 | attrs = Fcons (Fcons (Qargs, decoded_cmd), attrs); | |
638 | } | |
639 | ||
640 | return attrs; | |
641 | } | |
642 | \f | |
838a94b8 EZ |
643 | void |
644 | dos_cleanup (void) | |
645 | { | |
c06981c0 EZ |
646 | struct tty_display_info *tty; |
647 | ||
838a94b8 EZ |
648 | #ifndef HAVE_X_WINDOWS |
649 | restore_parent_vm_title (); | |
650 | #endif | |
6f855d64 EZ |
651 | /* Make sure the termscript file is committed, in case we are |
652 | crashing and some vital info was written there. */ | |
c06981c0 | 653 | if (FRAMEP (selected_frame)) |
6f855d64 | 654 | { |
c06981c0 EZ |
655 | struct frame *sf = XFRAME (selected_frame); |
656 | ||
657 | if (FRAME_LIVE_P (sf) | |
658 | && (FRAME_MSDOS_P (sf) || FRAME_TERMCAP_P (sf))) | |
659 | { | |
660 | tty = CURTTY (); | |
661 | if (tty->termscript) | |
662 | { | |
663 | fflush (tty->termscript); | |
664 | fsync (fileno (tty->termscript)); | |
665 | } | |
666 | } | |
6f855d64 | 667 | } |
838a94b8 EZ |
668 | } |
669 | ||
1b94449f RS |
670 | /* |
671 | * Define everything | |
672 | */ | |
3a8ce822 EZ |
673 | void |
674 | syms_of_dosfns (void) | |
1b94449f | 675 | { |
1b94449f | 676 | defsubr (&Sint86); |
5f08dc78 KS |
677 | defsubr (&Sdos_memget); |
678 | defsubr (&Sdos_memput); | |
ac3b0279 RS |
679 | defsubr (&Smsdos_mouse_init); |
680 | defsubr (&Smsdos_mouse_enable); | |
5f08dc78 KS |
681 | defsubr (&Smsdos_set_keyboard); |
682 | defsubr (&Sinsert_startup_screen); | |
ac3b0279 | 683 | defsubr (&Smsdos_mouse_disable); |
76a76a57 | 684 | defsubr (&Sfile_system_info); |
87485d6f MW |
685 | #ifndef HAVE_X_WINDOWS |
686 | defsubr (&Smsdos_mouse_p); | |
87485d6f | 687 | #endif |
1b94449f | 688 | |
29208e82 | 689 | DEFVAR_INT ("dos-country-code", dos_country_code, |
7363986a PJ |
690 | doc: /* The country code returned by Dos when Emacs was started. |
691 | Usually this is the international telephone prefix. */); | |
1b94449f | 692 | |
29208e82 | 693 | DEFVAR_INT ("dos-codepage", dos_codepage, |
7363986a PJ |
694 | doc: /* The codepage active when Emacs was started. |
695 | The following are known: | |
696 | 437 United States | |
697 | 850 Multilingual (Latin I) | |
698 | 852 Slavic (Latin II) | |
699 | 857 Turkish | |
700 | 860 Portugal | |
701 | 861 Iceland | |
702 | 863 Canada (French) | |
703 | 865 Norway/Denmark */); | |
1b94449f | 704 | |
29208e82 | 705 | DEFVAR_INT ("dos-timezone-offset", dos_timezone_offset, |
7363986a PJ |
706 | doc: /* The current timezone offset to UTC in minutes. |
707 | Implicitly modified when the TZ variable is changed. */); | |
b058cb36 | 708 | |
29208e82 | 709 | DEFVAR_LISP ("dos-version", Vdos_version, |
7363986a | 710 | doc: /* The (MAJOR . MINOR) Dos version (subject to modification with setver). */); |
5f08dc78 | 711 | |
838a94b8 | 712 | #ifndef HAVE_X_WINDOWS |
29208e82 | 713 | DEFVAR_LISP ("dos-windows-version", Vdos_windows_version, |
7363986a | 714 | doc: /* The (MAJOR . MINOR) Windows version for DOS session on MS-Windows. */); |
838a94b8 EZ |
715 | #endif |
716 | ||
29208e82 | 717 | DEFVAR_LISP ("dos-display-scancodes", Vdos_display_scancodes, |
fb7ada5f | 718 | doc: /* Whether DOS raw keyboard events are displayed as you type. |
7363986a PJ |
719 | When non-nil, the keyboard scan-codes are displayed at the bottom right |
720 | corner of the display (typically at the end of the mode line). | |
721 | The output format is: scan code:char code*modifiers. */); | |
722 | ||
5f08dc78 | 723 | Vdos_display_scancodes = Qnil; |
b058cb36 | 724 | |
29208e82 | 725 | DEFVAR_INT ("dos-hyper-key", dos_hyper_key, |
fb7ada5f | 726 | doc: /* If set to 1, use right ALT key as hyper key. |
7363986a | 727 | If set to 2, use right CTRL key as hyper key. */); |
5f08dc78 | 728 | dos_hyper_key = 0; |
b058cb36 | 729 | |
29208e82 | 730 | DEFVAR_INT ("dos-super-key", dos_super_key, |
fb7ada5f | 731 | doc: /* If set to 1, use right ALT key as super key. |
7363986a | 732 | If set to 2, use right CTRL key as super key. */); |
5f08dc78 | 733 | dos_super_key = 0; |
b058cb36 | 734 | |
29208e82 | 735 | DEFVAR_INT ("dos-keypad-mode", dos_keypad_mode, |
fb7ada5f | 736 | doc: /* Controls what key code is returned by a key in the numeric keypad. |
7363986a PJ |
737 | The `numlock ON' action is only taken if no modifier keys are pressed. |
738 | The value is an integer constructed by adding the following bits together: | |
739 | ||
740 | 0x00 Digit key returns digit (if numlock ON) | |
741 | 0x01 Digit key returns kp-digit (if numlock ON) | |
742 | 0x02 Digit key returns M-digit (if numlock ON) | |
743 | 0x03 Digit key returns edit key (if numlock ON) | |
744 | ||
745 | 0x00 Grey key returns char (if numlock ON) | |
746 | 0x04 Grey key returns kp-key (if numlock ON) | |
747 | ||
748 | 0x00 Digit key returns digit (if numlock OFF) | |
749 | 0x10 Digit key returns kp-digit (if numlock OFF) | |
750 | 0x20 Digit key returns M-digit (if numlock OFF) | |
751 | 0x30 Digit key returns edit key (if numlock OFF) | |
752 | ||
753 | 0x00 Grey key returns char (if numlock OFF) | |
754 | 0x40 Grey key returns kp-key (if numlock OFF) | |
755 | ||
756 | 0x200 ALT-0..ALT-9 in top-row produces shifted codes. */); | |
b3d5621c | 757 | dos_keypad_mode = 0x75; |
b058cb36 | 758 | |
29208e82 | 759 | DEFVAR_INT ("dos-keyboard-layout", dos_keyboard_layout, |
7363986a PJ |
760 | doc: /* Contains the country code for the current keyboard layout. |
761 | Use msdos-set-keyboard to select another keyboard layout. */); | |
5f08dc78 | 762 | dos_keyboard_layout = 1; /* US */ |
b058cb36 | 763 | |
29208e82 | 764 | DEFVAR_INT ("dos-decimal-point", dos_decimal_point, |
7363986a PJ |
765 | doc: /* The character to produce when kp-decimal key is pressed. |
766 | If non-zero, this variable contains the character to be returned when the | |
767 | decimal point key in the numeric keypad is pressed when Num Lock is on. | |
768 | If zero, the decimal point key returns the country code specific value. */); | |
5f08dc78 | 769 | dos_decimal_point = 0; |
1b94449f RS |
770 | } |
771 | #endif /* MSDOS */ |