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) | |
ba318903 | 3 | Copyright (C) 1991, 1993, 1996-1998, 2001-2014 Free Software |
ab422c4d | 4 | Foundation, Inc. |
1b94449f RS |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
1b94449f | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
1b94449f RS |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
1b94449f | 20 | |
48984716 | 21 | #include <config.h> |
1b94449f RS |
22 | |
23 | #ifdef MSDOS | |
24 | /* The entire file is within this conditional */ | |
25 | ||
26 | #include <stdio.h> | |
e3ac1281 | 27 | /* gettime and settime in dos.h clash with their namesakes from |
0d23c240 EZ |
28 | gnulib, so we move out of our way the prototypes in dos.h. */ |
29 | #define gettime dos_h_gettime_ | |
30 | #define settime dos_h_settime_ | |
1b94449f | 31 | #include <dos.h> |
0d23c240 EZ |
32 | #undef gettime |
33 | #undef settime | |
0328b6de | 34 | |
1b94449f | 35 | #include "lisp.h" |
e5560ff7 | 36 | #include "character.h" |
1b94449f RS |
37 | #include "buffer.h" |
38 | #include "termchar.h" | |
1b94449f | 39 | #include "frame.h" |
c06981c0 | 40 | #include "termhooks.h" |
838a94b8 EZ |
41 | #include "blockinput.h" |
42 | #include "window.h" | |
1b94449f RS |
43 | #include "dosfns.h" |
44 | #include "msdos.h" | |
e4441df0 | 45 | #include "dispextern.h" |
76a76a57 | 46 | #include "coding.h" |
e5c9f94c | 47 | #include "process.h" |
838a94b8 | 48 | #include <dpmi.h> |
5f08dc78 | 49 | #include <go32.h> |
50666766 | 50 | #include <dirent.h> |
76a76a57 | 51 | #include <sys/vfs.h> |
e5c9f94c EZ |
52 | #include <unistd.h> |
53 | #include <grp.h> | |
54 | #include <crt0.h> | |
1b94449f | 55 | |
1b94449f | 56 | DEFUN ("int86", Fint86, Sint86, 2, 2, 0, |
8fc29035 | 57 | doc: /* Call specific MS-DOS interrupt number INTERRUPT with REGISTERS. |
7363986a PJ |
58 | Return the updated REGISTER vector. |
59 | ||
60 | INTERRUPT should be an integer in the range 0 to 255. | |
61 | REGISTERS should be a vector produced by `make-register' and | |
62 | `set-register-value'. */) | |
5842a27b | 63 | (Lisp_Object interrupt, Lisp_Object registers) |
1b94449f RS |
64 | { |
65 | register int i; | |
66 | int no; | |
67 | union REGS inregs, outregs; | |
1b94449f | 68 | |
b7826503 | 69 | CHECK_NUMBER (interrupt); |
e20104ba | 70 | no = (unsigned long) XINT (interrupt); |
b7826503 | 71 | CHECK_VECTOR (registers); |
8db90b73 | 72 | if (no < 0 || no > 0xff || ASIZE (registers) != 8) |
1b94449f RS |
73 | return Qnil; |
74 | for (i = 0; i < 8; i++) | |
28be1ada | 75 | CHECK_NUMBER (AREF (registers, i)); |
1b94449f | 76 | |
28be1ada DA |
77 | inregs.x.ax = (unsigned long) XFASTINT (AREF (registers, 0)); |
78 | inregs.x.bx = (unsigned long) XFASTINT (AREF (registers, 1)); | |
79 | inregs.x.cx = (unsigned long) XFASTINT (AREF (registers, 2)); | |
80 | inregs.x.dx = (unsigned long) XFASTINT (AREF (registers, 3)); | |
81 | inregs.x.si = (unsigned long) XFASTINT (AREF (registers, 4)); | |
82 | inregs.x.di = (unsigned long) XFASTINT (AREF (registers, 5)); | |
83 | inregs.x.cflag = (unsigned long) XFASTINT (AREF (registers, 6)); | |
84 | inregs.x.flags = (unsigned long) XFASTINT (AREF (registers, 7)); | |
1b94449f RS |
85 | |
86 | int86 (no, &inregs, &outregs); | |
87 | ||
28be1ada DA |
88 | ASET (registers, 0, make_number (outregs.x.ax)); |
89 | ASET (registers, 1, make_number (outregs.x.bx)); | |
90 | ASET (registers, 2, make_number (outregs.x.cx)); | |
91 | ASET (registers, 3, make_number (outregs.x.dx)); | |
92 | ASET (registers, 4, make_number (outregs.x.si)); | |
93 | ASET (registers, 5, make_number (outregs.x.di)); | |
94 | ASET (registers, 6, make_number (outregs.x.cflag)); | |
95 | ASET (registers, 7, make_number (outregs.x.flags)); | |
1b94449f | 96 | |
e20104ba | 97 | return registers; |
1b94449f RS |
98 | } |
99 | ||
5f08dc78 | 100 | DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, |
7363986a PJ |
101 | doc: /* Read DOS memory at offset ADDRESS into VECTOR. |
102 | Return the updated VECTOR. */) | |
5842a27b | 103 | (Lisp_Object address, Lisp_Object vector) |
5f08dc78 KS |
104 | { |
105 | register int i; | |
106 | int offs, len; | |
107 | char *buf; | |
5f08dc78 | 108 | |
b7826503 | 109 | CHECK_NUMBER (address); |
e20104ba | 110 | offs = (unsigned long) XINT (address); |
b7826503 | 111 | CHECK_VECTOR (vector); |
8db90b73 | 112 | len = ASIZE (vector); |
238a44a8 | 113 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
114 | return Qnil; |
115 | buf = alloca (len); | |
116 | dosmemget (offs, len, buf); | |
b058cb36 | 117 | |
5f08dc78 | 118 | for (i = 0; i < len; i++) |
28be1ada | 119 | ASET (vector, i, make_number (buf[i])); |
5f08dc78 | 120 | |
e20104ba | 121 | return vector; |
5f08dc78 KS |
122 | } |
123 | ||
124 | DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, | |
7363986a | 125 | doc: /* Write DOS memory at offset ADDRESS from VECTOR. */) |
5842a27b | 126 | (Lisp_Object address, Lisp_Object vector) |
5f08dc78 KS |
127 | { |
128 | register int i; | |
129 | int offs, len; | |
130 | char *buf; | |
5f08dc78 | 131 | |
b7826503 | 132 | CHECK_NUMBER (address); |
e20104ba | 133 | offs = (unsigned long) XINT (address); |
b7826503 | 134 | CHECK_VECTOR (vector); |
8db90b73 | 135 | len = ASIZE (vector); |
238a44a8 | 136 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
137 | return Qnil; |
138 | buf = alloca (len); | |
139 | ||
140 | for (i = 0; i < len; i++) | |
141 | { | |
28be1ada DA |
142 | CHECK_NUMBER (AREF (vector, i)); |
143 | buf[i] = (unsigned char) XFASTINT (AREF (vector, i)) & 0xFF; | |
5f08dc78 KS |
144 | } |
145 | ||
146 | dosmemput (buf, len, offs); | |
147 | return Qt; | |
148 | } | |
149 | ||
150 | DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0, | |
7363986a PJ |
151 | doc: /* Set keyboard layout according to COUNTRY-CODE. |
152 | If the optional argument ALLKEYS is non-nil, the keyboard is mapped for | |
153 | all keys; otherwise it is only used when the ALT key is pressed. | |
154 | The current keyboard layout is available in dos-keyboard-code. */) | |
5842a27b | 155 | (Lisp_Object country_code, Lisp_Object allkeys) |
5f08dc78 | 156 | { |
b7826503 | 157 | CHECK_NUMBER (country_code); |
5f08dc78 KS |
158 | if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) |
159 | return Qnil; | |
160 | return Qt; | |
161 | } | |
162 | ||
87485d6f MW |
163 | #ifndef HAVE_X_WINDOWS |
164 | /* Later we might want to control the mouse interface with this function, | |
165 | e.g., with respect to non-80 column screen modes. */ | |
166 | ||
7363986a PJ |
167 | DEFUN ("msdos-mouse-p", Fmsdos_mouse_p, Smsdos_mouse_p, 0, 0, 0, |
168 | doc: /* Report whether a mouse is present. */) | |
5842a27b | 169 | (void) |
87485d6f MW |
170 | { |
171 | if (have_mouse) | |
172 | return Qt; | |
173 | else | |
174 | return Qnil; | |
175 | } | |
87485d6f MW |
176 | #endif |
177 | ||
ac3b0279 | 178 | DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", |
7363986a | 179 | doc: /* Initialize and enable mouse if available. */) |
5842a27b | 180 | (void) |
ac3b0279 | 181 | { |
5f08dc78 KS |
182 | if (have_mouse) |
183 | { | |
184 | have_mouse = 1; | |
185 | mouse_init (); | |
186 | return Qt; | |
187 | } | |
ac3b0279 RS |
188 | return Qnil; |
189 | } | |
190 | ||
191 | DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", | |
7363986a | 192 | doc: /* Enable mouse if available. */) |
5842a27b | 193 | (void) |
ac3b0279 RS |
194 | { |
195 | if (have_mouse) | |
196 | { | |
5f08dc78 KS |
197 | have_mouse = 1; |
198 | mouse_on (); | |
ac3b0279 RS |
199 | } |
200 | return have_mouse ? Qt : Qnil; | |
201 | } | |
202 | ||
203 | DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", | |
7363986a | 204 | doc: /* Disable mouse if available. */) |
5842a27b | 205 | (void) |
ac3b0279 RS |
206 | { |
207 | mouse_off (); | |
208 | if (have_mouse) have_mouse = -1; | |
209 | return Qnil; | |
210 | } | |
211 | ||
7363986a | 212 | DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", |
cd53fb50 | 213 | doc: /* Insert copy of screen contents prior to starting Emacs. |
7363986a | 214 | Return nil if startup screen is not available. */) |
5842a27b | 215 | (void) |
5f08dc78 KS |
216 | { |
217 | char *s; | |
b058cb36 EZ |
218 | int rows, cols, i, j; |
219 | ||
5f08dc78 KS |
220 | if (!dos_get_saved_screen (&s, &rows, &cols)) |
221 | return Qnil; | |
b058cb36 | 222 | |
5f08dc78 KS |
223 | for (i = 0; i < rows; i++) |
224 | { | |
225 | for (j = 0; j < cols; j++) | |
226 | { | |
65788bc2 | 227 | insert_char (*s); |
5f08dc78 KS |
228 | s += 2; |
229 | } | |
65788bc2 | 230 | insert_char ('\n'); |
5f08dc78 KS |
231 | } |
232 | ||
233 | return Qt; | |
234 | } | |
87485d6f | 235 | \f |
5f08dc78 | 236 | unsigned char dos_country_info[DOS_COUNTRY_INFO]; |
e089dc62 RS |
237 | static unsigned char usa_country_info[DOS_COUNTRY_INFO] = { |
238 | 0, 0, /* date format */ | |
239 | '$', 0, 0, 0, 0, /* currency string */ | |
240 | ',', 0, /* thousands separator */ | |
241 | '.', 0, /* decimal separator */ | |
242 | '/', 0, /* date separator */ | |
243 | ':', 0, /* time separator */ | |
244 | 0, /* currency format */ | |
245 | 2, /* digits after decimal in currency */ | |
246 | 0, /* time format */ | |
247 | 0, 0, 0, 0, /* address of case map routine, GPF if used */ | |
248 | ' ', 0, /* data-list separator (?) */ | |
249 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* reserved */ | |
250 | }; | |
5f08dc78 | 251 | |
838a94b8 EZ |
252 | #ifndef HAVE_X_WINDOWS |
253 | static unsigned dos_windows_version; | |
838a94b8 EZ |
254 | char parent_vm_title[50]; /* Ralf Brown says 30 is enough */ |
255 | int w95_set_virtual_machine_title (const char *); | |
256 | ||
257 | void | |
258 | restore_parent_vm_title (void) | |
259 | { | |
260 | if (NILP (Vdos_windows_version)) | |
261 | return; | |
262 | if ((dos_windows_version & 0xff) >= 4 && parent_vm_title[0]) | |
263 | w95_set_virtual_machine_title (parent_vm_title); | |
264 | delay (50); | |
265 | } | |
266 | #endif /* !HAVE_X_WINDOWS */ | |
b058cb36 | 267 | |
1b94449f | 268 | void |
3a8ce822 | 269 | init_dosfns (void) |
1b94449f RS |
270 | { |
271 | union REGS regs; | |
1b94449f | 272 | _go32_dpmi_registers dpmiregs; |
e089dc62 | 273 | unsigned long xbuf = _go32_info_block.linear_address_of_transfer_buffer; |
1b94449f | 274 | |
87485d6f | 275 | #ifndef SYSTEM_MALLOC |
891ef8f7 EZ |
276 | extern void get_lim_data (void); |
277 | ||
1b94449f | 278 | get_lim_data (); /* why the hell isn't this called elsewhere? */ |
87485d6f | 279 | #endif |
1b94449f RS |
280 | |
281 | regs.x.ax = 0x3000; | |
282 | intdos (®s, ®s); | |
283 | Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); | |
284 | ||
e089dc62 RS |
285 | /* Obtain the country code via DPMI, use DJGPP transfer buffer. */ |
286 | dpmiregs.x.ax = 0x3800; | |
7a2fd369 | 287 | dpmiregs.x.ds = xbuf >> 4; |
e089dc62 RS |
288 | dpmiregs.x.dx = 0; |
289 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
290 | _go32_dpmi_simulate_int (0x21, &dpmiregs); | |
291 | if (dpmiregs.x.flags & 1) | |
292 | { | |
293 | dos_country_code = 1; /* assume USA if 213800 failed */ | |
294 | memcpy (dos_country_info, usa_country_info, DOS_COUNTRY_INFO); | |
295 | } | |
1b94449f RS |
296 | else |
297 | { | |
1b94449f | 298 | dos_country_code = dpmiregs.x.bx; |
e089dc62 | 299 | dosmemget (xbuf, DOS_COUNTRY_INFO, dos_country_info); |
1b94449f | 300 | } |
e089dc62 | 301 | |
5f08dc78 | 302 | dos_set_keyboard (dos_country_code, 0); |
1b94449f RS |
303 | |
304 | regs.x.ax = 0x6601; | |
305 | intdos (®s, ®s); | |
306 | if (regs.x.cflag) | |
307 | /* Estimate code page from country code */ | |
b058cb36 | 308 | switch (dos_country_code) |
1b94449f RS |
309 | { |
310 | case 45: /* Denmark */ | |
311 | case 47: /* Norway */ | |
312 | dos_codepage = 865; | |
313 | break; | |
314 | default: | |
315 | /* US */ | |
316 | dos_codepage = 437; | |
317 | } | |
318 | else | |
319 | dos_codepage = regs.x.bx & 0xffff; | |
50666766 | 320 | |
838a94b8 EZ |
321 | #ifndef HAVE_X_WINDOWS |
322 | parent_vm_title[0] = '\0'; | |
323 | ||
324 | /* If we are running from DOS box on MS-Windows, get Windows version. */ | |
325 | dpmiregs.x.ax = 0x1600; /* enhanced mode installation check */ | |
326 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
327 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
328 | /* We only support Windows-specific features when we run on Windows 9X | |
329 | or on Windows 3.X/enhanced mode. | |
330 | ||
331 | Int 2Fh/AX=1600h returns: | |
332 | ||
333 | AL = 00: no Windows at all; | |
334 | AL = 01: Windows/386 2.x; | |
335 | AL = 80h: Windows 3.x in mode other than enhanced; | |
336 | AL = FFh: Windows/386 2.x | |
337 | ||
338 | We also check AH > 0 (Windows 3.1 or later), in case AL tricks us. */ | |
339 | if (dpmiregs.h.al > 2 && dpmiregs.h.al != 0x80 && dpmiregs.h.al != 0xff | |
340 | && (dpmiregs.h.al > 3 || dpmiregs.h.ah > 0)) | |
341 | { | |
342 | dos_windows_version = dpmiregs.x.ax; | |
343 | Vdos_windows_version = | |
344 | Fcons (make_number (dpmiregs.h.al), make_number (dpmiregs.h.ah)); | |
345 | ||
346 | /* Save the current title of this virtual machine, so we can restore | |
347 | it before exiting. Otherwise, Windows 95 will continue to use | |
348 | the title we set even after we are history, stupido... */ | |
349 | if (dpmiregs.h.al >= 4) | |
350 | { | |
351 | dpmiregs.x.ax = 0x168e; | |
352 | dpmiregs.x.dx = 3; /* get VM title */ | |
5e617bc2 | 353 | dpmiregs.x.cx = sizeof (parent_vm_title) - 1; |
838a94b8 EZ |
354 | dpmiregs.x.es = __tb >> 4; |
355 | dpmiregs.x.di = __tb & 15; | |
356 | dpmiregs.x.sp = dpmiregs.x.ss = dpmiregs.x.flags = 0; | |
357 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
358 | if (dpmiregs.x.ax == 1) | |
5e617bc2 | 359 | dosmemget (__tb, sizeof (parent_vm_title), parent_vm_title); |
838a94b8 EZ |
360 | } |
361 | } | |
362 | else | |
363 | { | |
364 | dos_windows_version = 0; | |
365 | Vdos_windows_version = Qnil; | |
366 | } | |
367 | #endif /* !HAVE_X_WINDOWS */ | |
368 | ||
459f4042 RS |
369 | /* Without this, we never see hidden files. |
370 | Don't OR it with the previous value, so the value recorded at dump | |
371 | time, possibly with `preserve-case' flags set, won't get through. */ | |
372 | __opendir_flags = __OPENDIR_FIND_HIDDEN; | |
373 | ||
374 | #if __DJGPP_MINOR__ == 0 | |
375 | /* Under LFN, preserve the case of files as recorded in the directory | |
376 | (in DJGPP 2.01 and later this is automagically done by the library). */ | |
50666766 RS |
377 | if (!NILP (Fmsdos_long_file_names ())) |
378 | __opendir_flags |= __OPENDIR_PRESERVE_CASE; | |
459f4042 | 379 | #endif /* __DJGPP_MINOR__ == 0 */ |
1b94449f RS |
380 | } |
381 | \f | |
838a94b8 | 382 | #ifndef HAVE_X_WINDOWS |
e4441df0 EZ |
383 | |
384 | /* Emulation of some X window features from xfns.c and xfaces.c. */ | |
385 | ||
386 | /* Standard VGA colors, in the order of their standard numbering | |
387 | in the default VGA palette. */ | |
388 | static char *vga_colors[16] = { | |
389 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
390 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
391 | "lightred", "lightmagenta", "yellow", "white" | |
392 | }; | |
393 | ||
394 | /* Given a color name, return its index, or -1 if not found. Note | |
395 | that this only performs case-insensitive comparison against the | |
396 | standard names. For anything more sophisticated, like matching | |
397 | "gray" with "grey" or translating X color names into their MSDOS | |
2d764c78 EZ |
398 | equivalents, call the Lisp function Qtty_color_desc (defined |
399 | on lisp/term/tty-colors.el). */ | |
e4441df0 EZ |
400 | int |
401 | msdos_stdcolor_idx (const char *name) | |
402 | { | |
403 | int i; | |
404 | ||
c72d972c | 405 | for (i = 0; i < ARRAYELTS (vga_colors); i++) |
05131107 | 406 | if (xstrcasecmp (name, vga_colors[i]) == 0) |
e4441df0 EZ |
407 | return i; |
408 | ||
f9d2fdc4 | 409 | return |
24480d5b EZ |
410 | strcmp (name, unspecified_fg) == 0 ? FACE_TTY_DEFAULT_FG_COLOR |
411 | : strcmp (name, unspecified_bg) == 0 ? FACE_TTY_DEFAULT_BG_COLOR | |
f9d2fdc4 | 412 | : FACE_TTY_DEFAULT_COLOR; |
e4441df0 EZ |
413 | } |
414 | ||
415 | /* Given a color index, return its standard name. */ | |
2d764c78 | 416 | Lisp_Object |
e4441df0 EZ |
417 | msdos_stdcolor_name (int idx) |
418 | { | |
24480d5b EZ |
419 | extern Lisp_Object Qunspecified; |
420 | ||
421 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) | |
422 | return build_string (unspecified_fg); | |
423 | else if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
424 | return build_string (unspecified_bg); | |
c72d972c | 425 | else if (idx >= 0 && idx < ARRAYELTS (vga_colors)) |
24480d5b EZ |
426 | return build_string (vga_colors[idx]); |
427 | else | |
428 | return Qunspecified; /* meaning the default */ | |
e4441df0 EZ |
429 | } |
430 | ||
838a94b8 EZ |
431 | /* Support for features that are available when we run in a DOS box |
432 | on MS-Windows. */ | |
433 | int | |
434 | ms_windows_version (void) | |
435 | { | |
436 | return dos_windows_version; | |
437 | } | |
438 | ||
439 | /* Set the title of the current virtual machine, to appear on | |
440 | the caption bar of that machine's window. */ | |
441 | ||
442 | int | |
443 | w95_set_virtual_machine_title (const char *title_string) | |
444 | { | |
445 | /* Only Windows 9X (version 4 and higher) support this function. */ | |
446 | if (!NILP (Vdos_windows_version) | |
447 | && (dos_windows_version & 0xff) >= 4) | |
448 | { | |
449 | _go32_dpmi_registers regs; | |
450 | dosmemput (title_string, strlen (title_string) + 1, __tb); | |
451 | regs.x.ax = 0x168e; | |
452 | regs.x.dx = 1; | |
453 | regs.x.es = __tb >> 4; | |
454 | regs.x.di = __tb & 15; | |
455 | regs.x.sp = regs.x.ss = regs.x.flags = 0; | |
456 | _go32_dpmi_simulate_int (0x2f, ®s); | |
457 | return regs.x.ax == 1; | |
458 | } | |
459 | return 0; | |
460 | } | |
461 | ||
462 | /* Change the title of frame F to NAME. | |
463 | If NAME is nil, use the frame name as the title. | |
464 | ||
465 | If Emacs is not run from a DOS box on Windows 9X, this only | |
466 | sets the name in the frame struct, but has no other effects. */ | |
467 | ||
468 | void | |
3a8ce822 | 469 | x_set_title (struct frame *f, Lisp_Object name) |
838a94b8 EZ |
470 | { |
471 | /* Don't change the title if it's already NAME. */ | |
e69b0960 | 472 | if (EQ (name, f->title)) |
838a94b8 EZ |
473 | return; |
474 | ||
2ec9db5d | 475 | update_mode_lines = 13; |
838a94b8 | 476 | |
f00af5b1 | 477 | fset_title (f, name); |
838a94b8 EZ |
478 | |
479 | if (NILP (name)) | |
e69b0960 | 480 | name = f->name; |
838a94b8 EZ |
481 | |
482 | if (FRAME_MSDOS_P (f)) | |
483 | { | |
4d7e6e51 | 484 | block_input (); |
d5db4077 | 485 | w95_set_virtual_machine_title (SDATA (name)); |
4d7e6e51 | 486 | unblock_input (); |
838a94b8 EZ |
487 | } |
488 | } | |
489 | #endif /* !HAVE_X_WINDOWS */ | |
490 | \f | |
76a76a57 | 491 | DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0, |
7363986a PJ |
492 | doc: /* Return storage information about the file system FILENAME is on. |
493 | Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total | |
494 | storage of the file system, FREE is the free storage, and AVAIL is the | |
495 | storage available to a non-superuser. All 3 numbers are in bytes. | |
496 | If the underlying system call fails, value is nil. */) | |
5842a27b | 497 | (Lisp_Object filename) |
76a76a57 EZ |
498 | { |
499 | struct statfs stfs; | |
500 | Lisp_Object encoded, value; | |
501 | ||
b7826503 | 502 | CHECK_STRING (filename); |
76a76a57 EZ |
503 | filename = Fexpand_file_name (filename, Qnil); |
504 | encoded = ENCODE_FILE (filename); | |
505 | ||
d5db4077 | 506 | if (statfs (SDATA (encoded), &stfs)) |
76a76a57 EZ |
507 | value = Qnil; |
508 | else | |
509 | value = list3 (make_float ((double) stfs.f_bsize * stfs.f_blocks), | |
510 | make_float ((double) stfs.f_bsize * stfs.f_bfree), | |
511 | make_float ((double) stfs.f_bsize * stfs.f_bavail)); | |
512 | ||
513 | return value; | |
514 | } | |
515 | \f | |
e5c9f94c EZ |
516 | /* System depended enumeration of and access to system processes a-la |
517 | ps(1). Here, we only return info about the running Emacs process. | |
518 | (There are no other processes on DOS, right?) */ | |
519 | ||
520 | Lisp_Object | |
3a8ce822 | 521 | list_system_processes (void) |
e5c9f94c EZ |
522 | { |
523 | Lisp_Object proclist = Qnil; | |
524 | ||
525 | proclist = Fcons (make_fixnum_or_float (getpid ()), proclist); | |
526 | ||
527 | return proclist; | |
528 | } | |
529 | ||
530 | Lisp_Object | |
531 | system_process_attributes (Lisp_Object pid) | |
532 | { | |
533 | int proc_id; | |
534 | Lisp_Object attrs = Qnil; | |
535 | ||
536 | CHECK_NUMBER_OR_FLOAT (pid); | |
537 | proc_id = FLOATP (pid) ? XFLOAT_DATA (pid) : XINT (pid); | |
538 | ||
539 | if (proc_id == getpid ()) | |
540 | { | |
541 | EMACS_INT uid, gid; | |
542 | char *usr; | |
543 | struct group *gr; | |
544 | char cmd[FILENAME_MAX]; | |
545 | char *cmdline = NULL, *p, *q; | |
546 | size_t cmdline_size = 0; | |
547 | int i; | |
548 | Lisp_Object cmd_str, decoded_cmd, tem; | |
549 | double pmem; | |
693a2698 | 550 | #ifndef SYSTEM_MALLOC |
e5c9f94c | 551 | extern unsigned long ret_lim_data (); |
693a2698 | 552 | #endif |
e5c9f94c EZ |
553 | |
554 | uid = getuid (); | |
555 | attrs = Fcons (Fcons (Qeuid, make_fixnum_or_float (uid)), attrs); | |
556 | usr = getlogin (); | |
557 | if (usr) | |
558 | attrs = Fcons (Fcons (Quser, build_string (usr)), attrs); | |
559 | gid = getgid (); | |
560 | attrs = Fcons (Fcons (Qegid, make_fixnum_or_float (gid)), attrs); | |
561 | gr = getgrgid (gid); | |
562 | if (gr) | |
563 | attrs = Fcons (Fcons (Qgroup, build_string (gr->gr_name)), attrs); | |
564 | strcpy (cmd, basename (__crt0_argv[0])); | |
565 | /* Command name is encoded in locale-coding-system; decode it. */ | |
d7ea76b4 | 566 | cmd_str = build_unibyte_string (cmd); |
e5c9f94c EZ |
567 | decoded_cmd = code_convert_string_norecord (cmd_str, |
568 | Vlocale_coding_system, 0); | |
569 | attrs = Fcons (Fcons (Qcomm, decoded_cmd), attrs); | |
570 | /* Pretend we have 0 as PPID. */ | |
571 | attrs = Fcons (Fcons (Qppid, make_number (0)), attrs); | |
572 | attrs = Fcons (Fcons (Qpgrp, pid), attrs); | |
573 | attrs = Fcons (Fcons (Qttname, build_string ("/dev/tty")), attrs); | |
574 | /* We are never idle! */ | |
575 | tem = Fget_internal_run_time (); | |
576 | attrs = Fcons (Fcons (Qtime, tem), attrs); | |
577 | attrs = Fcons (Fcons (Qthcount, make_number (1)), attrs); | |
578 | attrs = Fcons (Fcons (Qstart, | |
579 | Fsymbol_value (intern ("before-init-time"))), | |
580 | attrs); | |
581 | attrs = Fcons (Fcons (Qvsize, | |
5e617bc2 | 582 | make_fixnum_or_float ((unsigned long)sbrk (0)/1024)), |
e5c9f94c EZ |
583 | attrs); |
584 | attrs = Fcons (Fcons (Qetime, tem), attrs); | |
693a2698 EZ |
585 | #ifndef SYSTEM_MALLOC |
586 | /* ret_lim_data is on vm-limit.c, which is not compiled in under | |
587 | SYSTEM_MALLOC. */ | |
e5c9f94c EZ |
588 | pmem = (double)((unsigned long) sbrk (0)) / ret_lim_data () * 100.0; |
589 | if (pmem > 100) | |
693a2698 | 590 | #endif |
e5c9f94c EZ |
591 | pmem = 100; |
592 | attrs = Fcons (Fcons (Qpmem, make_float (pmem)), attrs); | |
593 | /* Pass 1: Count how much storage we need. */ | |
594 | for (i = 0; i < __crt0_argc; i++) | |
595 | { | |
596 | cmdline_size += strlen (__crt0_argv[i]) + 1; /* +1 for blank delim */ | |
597 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
598 | { | |
599 | cmdline_size += 2; | |
600 | for (p = __crt0_argv[i]; *p; p++) | |
601 | { | |
602 | if (*p == '"') | |
603 | cmdline_size++; | |
604 | } | |
605 | } | |
606 | } | |
607 | /* Pass 2: Allocate storage and concatenate argv[]. */ | |
608 | cmdline = xmalloc (cmdline_size + 1); | |
609 | for (i = 0, q = cmdline; i < __crt0_argc; i++) | |
610 | { | |
611 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
612 | { | |
613 | *q++ = '"'; | |
614 | for (p = __crt0_argv[i]; *p; p++) | |
615 | { | |
616 | if (*p == '\"') | |
617 | *q++ = '\\'; | |
618 | *q++ = *p; | |
619 | } | |
620 | *q++ = '"'; | |
621 | } | |
622 | else | |
623 | { | |
624 | strcpy (q, __crt0_argv[i]); | |
625 | q += strlen (__crt0_argv[i]); | |
626 | } | |
627 | *q++ = ' '; | |
628 | } | |
629 | /* Remove the trailing blank. */ | |
630 | if (q > cmdline) | |
631 | q[-1] = '\0'; | |
632 | ||
633 | /* Command line is encoded in locale-coding-system; decode it. */ | |
d7ea76b4 | 634 | cmd_str = build_unibyte_string (cmdline); |
e5c9f94c EZ |
635 | decoded_cmd = code_convert_string_norecord (cmd_str, |
636 | Vlocale_coding_system, 0); | |
637 | xfree (cmdline); | |
638 | attrs = Fcons (Fcons (Qargs, decoded_cmd), attrs); | |
639 | } | |
640 | ||
641 | return attrs; | |
642 | } | |
643 | \f | |
838a94b8 EZ |
644 | void |
645 | dos_cleanup (void) | |
646 | { | |
c06981c0 EZ |
647 | struct tty_display_info *tty; |
648 | ||
838a94b8 EZ |
649 | #ifndef HAVE_X_WINDOWS |
650 | restore_parent_vm_title (); | |
651 | #endif | |
6f855d64 EZ |
652 | /* Make sure the termscript file is committed, in case we are |
653 | crashing and some vital info was written there. */ | |
c06981c0 | 654 | if (FRAMEP (selected_frame)) |
6f855d64 | 655 | { |
c06981c0 EZ |
656 | struct frame *sf = XFRAME (selected_frame); |
657 | ||
658 | if (FRAME_LIVE_P (sf) | |
659 | && (FRAME_MSDOS_P (sf) || FRAME_TERMCAP_P (sf))) | |
660 | { | |
661 | tty = CURTTY (); | |
662 | if (tty->termscript) | |
663 | { | |
664 | fflush (tty->termscript); | |
665 | fsync (fileno (tty->termscript)); | |
666 | } | |
667 | } | |
6f855d64 | 668 | } |
838a94b8 EZ |
669 | } |
670 | ||
1b94449f RS |
671 | /* |
672 | * Define everything | |
673 | */ | |
3a8ce822 EZ |
674 | void |
675 | syms_of_dosfns (void) | |
1b94449f | 676 | { |
1b94449f | 677 | defsubr (&Sint86); |
5f08dc78 KS |
678 | defsubr (&Sdos_memget); |
679 | defsubr (&Sdos_memput); | |
ac3b0279 RS |
680 | defsubr (&Smsdos_mouse_init); |
681 | defsubr (&Smsdos_mouse_enable); | |
5f08dc78 KS |
682 | defsubr (&Smsdos_set_keyboard); |
683 | defsubr (&Sinsert_startup_screen); | |
ac3b0279 | 684 | defsubr (&Smsdos_mouse_disable); |
76a76a57 | 685 | defsubr (&Sfile_system_info); |
87485d6f MW |
686 | #ifndef HAVE_X_WINDOWS |
687 | defsubr (&Smsdos_mouse_p); | |
87485d6f | 688 | #endif |
1b94449f | 689 | |
29208e82 | 690 | DEFVAR_INT ("dos-country-code", dos_country_code, |
7363986a PJ |
691 | doc: /* The country code returned by Dos when Emacs was started. |
692 | Usually this is the international telephone prefix. */); | |
1b94449f | 693 | |
29208e82 | 694 | DEFVAR_INT ("dos-codepage", dos_codepage, |
7363986a PJ |
695 | doc: /* The codepage active when Emacs was started. |
696 | The following are known: | |
697 | 437 United States | |
698 | 850 Multilingual (Latin I) | |
699 | 852 Slavic (Latin II) | |
700 | 857 Turkish | |
701 | 860 Portugal | |
702 | 861 Iceland | |
703 | 863 Canada (French) | |
704 | 865 Norway/Denmark */); | |
1b94449f | 705 | |
29208e82 | 706 | DEFVAR_INT ("dos-timezone-offset", dos_timezone_offset, |
7363986a PJ |
707 | doc: /* The current timezone offset to UTC in minutes. |
708 | Implicitly modified when the TZ variable is changed. */); | |
b058cb36 | 709 | |
29208e82 | 710 | DEFVAR_LISP ("dos-version", Vdos_version, |
7363986a | 711 | doc: /* The (MAJOR . MINOR) Dos version (subject to modification with setver). */); |
5f08dc78 | 712 | |
838a94b8 | 713 | #ifndef HAVE_X_WINDOWS |
29208e82 | 714 | DEFVAR_LISP ("dos-windows-version", Vdos_windows_version, |
7363986a | 715 | doc: /* The (MAJOR . MINOR) Windows version for DOS session on MS-Windows. */); |
838a94b8 EZ |
716 | #endif |
717 | ||
29208e82 | 718 | DEFVAR_LISP ("dos-display-scancodes", Vdos_display_scancodes, |
fb7ada5f | 719 | doc: /* Whether DOS raw keyboard events are displayed as you type. |
7363986a PJ |
720 | When non-nil, the keyboard scan-codes are displayed at the bottom right |
721 | corner of the display (typically at the end of the mode line). | |
722 | The output format is: scan code:char code*modifiers. */); | |
723 | ||
5f08dc78 | 724 | Vdos_display_scancodes = Qnil; |
b058cb36 | 725 | |
29208e82 | 726 | DEFVAR_INT ("dos-hyper-key", dos_hyper_key, |
fb7ada5f | 727 | doc: /* If set to 1, use right ALT key as hyper key. |
7363986a | 728 | If set to 2, use right CTRL key as hyper key. */); |
5f08dc78 | 729 | dos_hyper_key = 0; |
b058cb36 | 730 | |
29208e82 | 731 | DEFVAR_INT ("dos-super-key", dos_super_key, |
fb7ada5f | 732 | doc: /* If set to 1, use right ALT key as super key. |
7363986a | 733 | If set to 2, use right CTRL key as super key. */); |
5f08dc78 | 734 | dos_super_key = 0; |
b058cb36 | 735 | |
29208e82 | 736 | DEFVAR_INT ("dos-keypad-mode", dos_keypad_mode, |
fb7ada5f | 737 | doc: /* Controls what key code is returned by a key in the numeric keypad. |
7363986a PJ |
738 | The `numlock ON' action is only taken if no modifier keys are pressed. |
739 | The value is an integer constructed by adding the following bits together: | |
740 | ||
741 | 0x00 Digit key returns digit (if numlock ON) | |
742 | 0x01 Digit key returns kp-digit (if numlock ON) | |
743 | 0x02 Digit key returns M-digit (if numlock ON) | |
744 | 0x03 Digit key returns edit key (if numlock ON) | |
745 | ||
746 | 0x00 Grey key returns char (if numlock ON) | |
747 | 0x04 Grey key returns kp-key (if numlock ON) | |
748 | ||
749 | 0x00 Digit key returns digit (if numlock OFF) | |
750 | 0x10 Digit key returns kp-digit (if numlock OFF) | |
751 | 0x20 Digit key returns M-digit (if numlock OFF) | |
752 | 0x30 Digit key returns edit key (if numlock OFF) | |
753 | ||
754 | 0x00 Grey key returns char (if numlock OFF) | |
755 | 0x40 Grey key returns kp-key (if numlock OFF) | |
756 | ||
757 | 0x200 ALT-0..ALT-9 in top-row produces shifted codes. */); | |
b3d5621c | 758 | dos_keypad_mode = 0x75; |
b058cb36 | 759 | |
29208e82 | 760 | DEFVAR_INT ("dos-keyboard-layout", dos_keyboard_layout, |
7363986a PJ |
761 | doc: /* Contains the country code for the current keyboard layout. |
762 | Use msdos-set-keyboard to select another keyboard layout. */); | |
5f08dc78 | 763 | dos_keyboard_layout = 1; /* US */ |
b058cb36 | 764 | |
29208e82 | 765 | DEFVAR_INT ("dos-decimal-point", dos_decimal_point, |
7363986a PJ |
766 | doc: /* The character to produce when kp-decimal key is pressed. |
767 | If non-zero, this variable contains the character to be returned when the | |
768 | decimal point key in the numeric keypad is pressed when Num Lock is on. | |
769 | If zero, the decimal point key returns the country code specific value. */); | |
5f08dc78 | 770 | dos_decimal_point = 0; |
1b94449f RS |
771 | } |
772 | #endif /* MSDOS */ |