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) | |
0b5538bd | 3 | Copyright (C) 1991, 1993, 1996, 1997, 1998, 2001, 2002, 2003, 2004, |
e5c9f94c | 4 | 2005, 2006, 2007, 2008, 2009 Free Software 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> | |
e4441df0 | 27 | #include <string.h> |
1b94449f | 28 | #include <dos.h> |
d7306fe6 | 29 | #include <setjmp.h> |
1b94449f RS |
30 | #include "lisp.h" |
31 | #include "buffer.h" | |
32 | #include "termchar.h" | |
1b94449f | 33 | #include "frame.h" |
c06981c0 | 34 | #include "termhooks.h" |
838a94b8 EZ |
35 | #include "blockinput.h" |
36 | #include "window.h" | |
1b94449f RS |
37 | #include "dosfns.h" |
38 | #include "msdos.h" | |
e4441df0 | 39 | #include "dispextern.h" |
83be827a | 40 | #include "character.h" |
76a76a57 | 41 | #include "coding.h" |
e5c9f94c | 42 | #include "process.h" |
838a94b8 | 43 | #include <dpmi.h> |
5f08dc78 | 44 | #include <go32.h> |
50666766 | 45 | #include <dirent.h> |
76a76a57 | 46 | #include <sys/vfs.h> |
e5c9f94c EZ |
47 | #include <unistd.h> |
48 | #include <grp.h> | |
49 | #include <crt0.h> | |
1b94449f | 50 | |
838a94b8 EZ |
51 | #ifndef __DJGPP_MINOR__ |
52 | # define __tb _go32_info_block.linear_address_of_transfer_buffer; | |
53 | #endif | |
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'. */) | |
62 | (interrupt, registers) | |
63 | Lisp_Object interrupt, registers; | |
1b94449f RS |
64 | { |
65 | register int i; | |
66 | int no; | |
67 | union REGS inregs, outregs; | |
68 | Lisp_Object val; | |
69 | ||
b7826503 | 70 | CHECK_NUMBER (interrupt); |
e20104ba | 71 | no = (unsigned long) XINT (interrupt); |
b7826503 | 72 | CHECK_VECTOR (registers); |
b058cb36 | 73 | if (no < 0 || no > 0xff || XVECTOR (registers)-> size != 8) |
1b94449f RS |
74 | return Qnil; |
75 | for (i = 0; i < 8; i++) | |
b7826503 | 76 | CHECK_NUMBER (XVECTOR (registers)->contents[i]); |
1b94449f | 77 | |
e20104ba EN |
78 | inregs.x.ax = (unsigned long) XFASTINT (XVECTOR (registers)->contents[0]); |
79 | inregs.x.bx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[1]); | |
80 | inregs.x.cx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[2]); | |
81 | inregs.x.dx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[3]); | |
82 | inregs.x.si = (unsigned long) XFASTINT (XVECTOR (registers)->contents[4]); | |
83 | inregs.x.di = (unsigned long) XFASTINT (XVECTOR (registers)->contents[5]); | |
84 | inregs.x.cflag = (unsigned long) XFASTINT (XVECTOR (registers)->contents[6]); | |
85 | inregs.x.flags = (unsigned long) XFASTINT (XVECTOR (registers)->contents[7]); | |
1b94449f RS |
86 | |
87 | int86 (no, &inregs, &outregs); | |
88 | ||
e20104ba EN |
89 | XVECTOR (registers)->contents[0] = make_number (outregs.x.ax); |
90 | XVECTOR (registers)->contents[1] = make_number (outregs.x.bx); | |
91 | XVECTOR (registers)->contents[2] = make_number (outregs.x.cx); | |
92 | XVECTOR (registers)->contents[3] = make_number (outregs.x.dx); | |
93 | XVECTOR (registers)->contents[4] = make_number (outregs.x.si); | |
94 | XVECTOR (registers)->contents[5] = make_number (outregs.x.di); | |
95 | XVECTOR (registers)->contents[6] = make_number (outregs.x.cflag); | |
96 | XVECTOR (registers)->contents[7] = make_number (outregs.x.flags); | |
1b94449f | 97 | |
e20104ba | 98 | return registers; |
1b94449f RS |
99 | } |
100 | ||
5f08dc78 | 101 | DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, |
7363986a PJ |
102 | doc: /* Read DOS memory at offset ADDRESS into VECTOR. |
103 | Return the updated VECTOR. */) | |
104 | (address, vector) | |
105 | Lisp_Object address, vector; | |
5f08dc78 KS |
106 | { |
107 | register int i; | |
108 | int offs, len; | |
109 | char *buf; | |
110 | Lisp_Object val; | |
111 | ||
b7826503 | 112 | CHECK_NUMBER (address); |
e20104ba | 113 | offs = (unsigned long) XINT (address); |
b7826503 | 114 | CHECK_VECTOR (vector); |
e20104ba | 115 | len = XVECTOR (vector)-> size; |
238a44a8 | 116 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
117 | return Qnil; |
118 | buf = alloca (len); | |
119 | dosmemget (offs, len, buf); | |
b058cb36 | 120 | |
5f08dc78 | 121 | for (i = 0; i < len; i++) |
e20104ba | 122 | XVECTOR (vector)->contents[i] = make_number (buf[i]); |
5f08dc78 | 123 | |
e20104ba | 124 | return vector; |
5f08dc78 KS |
125 | } |
126 | ||
127 | DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, | |
7363986a PJ |
128 | doc: /* Write DOS memory at offset ADDRESS from VECTOR. */) |
129 | (address, vector) | |
130 | Lisp_Object address, vector; | |
5f08dc78 KS |
131 | { |
132 | register int i; | |
133 | int offs, len; | |
134 | char *buf; | |
135 | Lisp_Object val; | |
136 | ||
b7826503 | 137 | CHECK_NUMBER (address); |
e20104ba | 138 | offs = (unsigned long) XINT (address); |
b7826503 | 139 | CHECK_VECTOR (vector); |
e20104ba | 140 | len = XVECTOR (vector)-> size; |
238a44a8 | 141 | if (len < 1 || len > 2048 || offs < 0 || offs > 0xfffff - len) |
5f08dc78 KS |
142 | return Qnil; |
143 | buf = alloca (len); | |
144 | ||
145 | for (i = 0; i < len; i++) | |
146 | { | |
b7826503 | 147 | CHECK_NUMBER (XVECTOR (vector)->contents[i]); |
e20104ba | 148 | buf[i] = (unsigned char) XFASTINT (XVECTOR (vector)->contents[i]) & 0xFF; |
5f08dc78 KS |
149 | } |
150 | ||
151 | dosmemput (buf, len, offs); | |
152 | return Qt; | |
153 | } | |
154 | ||
155 | DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0, | |
7363986a PJ |
156 | doc: /* Set keyboard layout according to COUNTRY-CODE. |
157 | If the optional argument ALLKEYS is non-nil, the keyboard is mapped for | |
158 | all keys; otherwise it is only used when the ALT key is pressed. | |
159 | The current keyboard layout is available in dos-keyboard-code. */) | |
160 | (country_code, allkeys) | |
238a44a8 | 161 | Lisp_Object country_code, allkeys; |
5f08dc78 | 162 | { |
b7826503 | 163 | CHECK_NUMBER (country_code); |
5f08dc78 KS |
164 | if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) |
165 | return Qnil; | |
166 | return Qt; | |
167 | } | |
168 | ||
87485d6f MW |
169 | #ifndef HAVE_X_WINDOWS |
170 | /* Later we might want to control the mouse interface with this function, | |
171 | e.g., with respect to non-80 column screen modes. */ | |
172 | ||
7363986a PJ |
173 | DEFUN ("msdos-mouse-p", Fmsdos_mouse_p, Smsdos_mouse_p, 0, 0, 0, |
174 | doc: /* Report whether a mouse is present. */) | |
87485d6f MW |
175 | () |
176 | { | |
177 | if (have_mouse) | |
178 | return Qt; | |
179 | else | |
180 | return Qnil; | |
181 | } | |
87485d6f MW |
182 | #endif |
183 | ||
ac3b0279 | 184 | DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", |
7363986a PJ |
185 | doc: /* Initialize and enable mouse if available. */) |
186 | () | |
ac3b0279 | 187 | { |
5f08dc78 KS |
188 | if (have_mouse) |
189 | { | |
190 | have_mouse = 1; | |
191 | mouse_init (); | |
192 | return Qt; | |
193 | } | |
ac3b0279 RS |
194 | return Qnil; |
195 | } | |
196 | ||
197 | DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", | |
7363986a PJ |
198 | doc: /* Enable mouse if available. */) |
199 | () | |
ac3b0279 RS |
200 | { |
201 | if (have_mouse) | |
202 | { | |
5f08dc78 KS |
203 | have_mouse = 1; |
204 | mouse_on (); | |
ac3b0279 RS |
205 | } |
206 | return have_mouse ? Qt : Qnil; | |
207 | } | |
208 | ||
209 | DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", | |
7363986a PJ |
210 | doc: /* Disable mouse if available. */) |
211 | () | |
ac3b0279 RS |
212 | { |
213 | mouse_off (); | |
214 | if (have_mouse) have_mouse = -1; | |
215 | return Qnil; | |
216 | } | |
217 | ||
7363986a | 218 | DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", |
cd53fb50 | 219 | doc: /* Insert copy of screen contents prior to starting Emacs. |
7363986a PJ |
220 | Return nil if startup screen is not available. */) |
221 | () | |
5f08dc78 KS |
222 | { |
223 | char *s; | |
b058cb36 EZ |
224 | int rows, cols, i, j; |
225 | ||
5f08dc78 KS |
226 | if (!dos_get_saved_screen (&s, &rows, &cols)) |
227 | return Qnil; | |
b058cb36 | 228 | |
5f08dc78 KS |
229 | for (i = 0; i < rows; i++) |
230 | { | |
231 | for (j = 0; j < cols; j++) | |
232 | { | |
65788bc2 | 233 | insert_char (*s); |
5f08dc78 KS |
234 | s += 2; |
235 | } | |
65788bc2 | 236 | insert_char ('\n'); |
5f08dc78 KS |
237 | } |
238 | ||
239 | return Qt; | |
240 | } | |
87485d6f | 241 | \f |
5f08dc78 | 242 | /* country info */ |
31ade731 SM |
243 | EMACS_INT dos_country_code; |
244 | EMACS_INT dos_codepage; | |
245 | EMACS_INT dos_timezone_offset; | |
246 | EMACS_INT dos_decimal_point; | |
247 | EMACS_INT dos_keyboard_layout; | |
5f08dc78 | 248 | unsigned char dos_country_info[DOS_COUNTRY_INFO]; |
e089dc62 RS |
249 | static unsigned char usa_country_info[DOS_COUNTRY_INFO] = { |
250 | 0, 0, /* date format */ | |
251 | '$', 0, 0, 0, 0, /* currency string */ | |
252 | ',', 0, /* thousands separator */ | |
253 | '.', 0, /* decimal separator */ | |
254 | '/', 0, /* date separator */ | |
255 | ':', 0, /* time separator */ | |
256 | 0, /* currency format */ | |
257 | 2, /* digits after decimal in currency */ | |
258 | 0, /* time format */ | |
259 | 0, 0, 0, 0, /* address of case map routine, GPF if used */ | |
260 | ' ', 0, /* data-list separator (?) */ | |
261 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* reserved */ | |
262 | }; | |
5f08dc78 | 263 | |
31ade731 SM |
264 | EMACS_INT dos_hyper_key; |
265 | EMACS_INT dos_super_key; | |
266 | EMACS_INT dos_keypad_mode; | |
1b94449f | 267 | |
5f08dc78 KS |
268 | Lisp_Object Vdos_version; |
269 | Lisp_Object Vdos_display_scancodes; | |
838a94b8 EZ |
270 | |
271 | #ifndef HAVE_X_WINDOWS | |
272 | static unsigned dos_windows_version; | |
273 | Lisp_Object Vdos_windows_version; | |
274 | ||
275 | char parent_vm_title[50]; /* Ralf Brown says 30 is enough */ | |
276 | int w95_set_virtual_machine_title (const char *); | |
277 | ||
278 | void | |
279 | restore_parent_vm_title (void) | |
280 | { | |
281 | if (NILP (Vdos_windows_version)) | |
282 | return; | |
283 | if ((dos_windows_version & 0xff) >= 4 && parent_vm_title[0]) | |
284 | w95_set_virtual_machine_title (parent_vm_title); | |
285 | delay (50); | |
286 | } | |
287 | #endif /* !HAVE_X_WINDOWS */ | |
b058cb36 | 288 | |
1b94449f RS |
289 | void |
290 | init_dosfns () | |
291 | { | |
292 | union REGS regs; | |
1b94449f | 293 | _go32_dpmi_registers dpmiregs; |
e089dc62 | 294 | unsigned long xbuf = _go32_info_block.linear_address_of_transfer_buffer; |
1b94449f | 295 | |
87485d6f | 296 | #ifndef SYSTEM_MALLOC |
1b94449f | 297 | get_lim_data (); /* why the hell isn't this called elsewhere? */ |
87485d6f | 298 | #endif |
1b94449f RS |
299 | |
300 | regs.x.ax = 0x3000; | |
301 | intdos (®s, ®s); | |
302 | Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); | |
303 | ||
e089dc62 RS |
304 | /* Obtain the country code via DPMI, use DJGPP transfer buffer. */ |
305 | dpmiregs.x.ax = 0x3800; | |
7a2fd369 | 306 | dpmiregs.x.ds = xbuf >> 4; |
e089dc62 RS |
307 | dpmiregs.x.dx = 0; |
308 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
309 | _go32_dpmi_simulate_int (0x21, &dpmiregs); | |
310 | if (dpmiregs.x.flags & 1) | |
311 | { | |
312 | dos_country_code = 1; /* assume USA if 213800 failed */ | |
313 | memcpy (dos_country_info, usa_country_info, DOS_COUNTRY_INFO); | |
314 | } | |
1b94449f RS |
315 | else |
316 | { | |
1b94449f | 317 | dos_country_code = dpmiregs.x.bx; |
e089dc62 | 318 | dosmemget (xbuf, DOS_COUNTRY_INFO, dos_country_info); |
1b94449f | 319 | } |
e089dc62 | 320 | |
5f08dc78 | 321 | dos_set_keyboard (dos_country_code, 0); |
1b94449f RS |
322 | |
323 | regs.x.ax = 0x6601; | |
324 | intdos (®s, ®s); | |
325 | if (regs.x.cflag) | |
326 | /* Estimate code page from country code */ | |
b058cb36 | 327 | switch (dos_country_code) |
1b94449f RS |
328 | { |
329 | case 45: /* Denmark */ | |
330 | case 47: /* Norway */ | |
331 | dos_codepage = 865; | |
332 | break; | |
333 | default: | |
334 | /* US */ | |
335 | dos_codepage = 437; | |
336 | } | |
337 | else | |
338 | dos_codepage = regs.x.bx & 0xffff; | |
50666766 | 339 | |
838a94b8 EZ |
340 | #ifndef HAVE_X_WINDOWS |
341 | parent_vm_title[0] = '\0'; | |
342 | ||
343 | /* If we are running from DOS box on MS-Windows, get Windows version. */ | |
344 | dpmiregs.x.ax = 0x1600; /* enhanced mode installation check */ | |
345 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; | |
346 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
347 | /* We only support Windows-specific features when we run on Windows 9X | |
348 | or on Windows 3.X/enhanced mode. | |
349 | ||
350 | Int 2Fh/AX=1600h returns: | |
351 | ||
352 | AL = 00: no Windows at all; | |
353 | AL = 01: Windows/386 2.x; | |
354 | AL = 80h: Windows 3.x in mode other than enhanced; | |
355 | AL = FFh: Windows/386 2.x | |
356 | ||
357 | We also check AH > 0 (Windows 3.1 or later), in case AL tricks us. */ | |
358 | if (dpmiregs.h.al > 2 && dpmiregs.h.al != 0x80 && dpmiregs.h.al != 0xff | |
359 | && (dpmiregs.h.al > 3 || dpmiregs.h.ah > 0)) | |
360 | { | |
361 | dos_windows_version = dpmiregs.x.ax; | |
362 | Vdos_windows_version = | |
363 | Fcons (make_number (dpmiregs.h.al), make_number (dpmiregs.h.ah)); | |
364 | ||
365 | /* Save the current title of this virtual machine, so we can restore | |
366 | it before exiting. Otherwise, Windows 95 will continue to use | |
367 | the title we set even after we are history, stupido... */ | |
368 | if (dpmiregs.h.al >= 4) | |
369 | { | |
370 | dpmiregs.x.ax = 0x168e; | |
371 | dpmiregs.x.dx = 3; /* get VM title */ | |
372 | dpmiregs.x.cx = sizeof(parent_vm_title) - 1; | |
373 | dpmiregs.x.es = __tb >> 4; | |
374 | dpmiregs.x.di = __tb & 15; | |
375 | dpmiregs.x.sp = dpmiregs.x.ss = dpmiregs.x.flags = 0; | |
376 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); | |
377 | if (dpmiregs.x.ax == 1) | |
378 | dosmemget (__tb, sizeof(parent_vm_title), parent_vm_title); | |
379 | } | |
380 | } | |
381 | else | |
382 | { | |
383 | dos_windows_version = 0; | |
384 | Vdos_windows_version = Qnil; | |
385 | } | |
386 | #endif /* !HAVE_X_WINDOWS */ | |
387 | ||
50666766 RS |
388 | #if __DJGPP__ >= 2 |
389 | ||
459f4042 RS |
390 | /* Without this, we never see hidden files. |
391 | Don't OR it with the previous value, so the value recorded at dump | |
392 | time, possibly with `preserve-case' flags set, won't get through. */ | |
393 | __opendir_flags = __OPENDIR_FIND_HIDDEN; | |
394 | ||
395 | #if __DJGPP_MINOR__ == 0 | |
396 | /* Under LFN, preserve the case of files as recorded in the directory | |
397 | (in DJGPP 2.01 and later this is automagically done by the library). */ | |
50666766 RS |
398 | if (!NILP (Fmsdos_long_file_names ())) |
399 | __opendir_flags |= __OPENDIR_PRESERVE_CASE; | |
459f4042 RS |
400 | #endif /* __DJGPP_MINOR__ == 0 */ |
401 | #endif /* __DJGPP__ >= 2 */ | |
1b94449f RS |
402 | } |
403 | \f | |
838a94b8 | 404 | #ifndef HAVE_X_WINDOWS |
e4441df0 EZ |
405 | |
406 | /* Emulation of some X window features from xfns.c and xfaces.c. */ | |
407 | ||
408 | /* Standard VGA colors, in the order of their standard numbering | |
409 | in the default VGA palette. */ | |
410 | static char *vga_colors[16] = { | |
411 | "black", "blue", "green", "cyan", "red", "magenta", "brown", | |
412 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", | |
413 | "lightred", "lightmagenta", "yellow", "white" | |
414 | }; | |
415 | ||
416 | /* Given a color name, return its index, or -1 if not found. Note | |
417 | that this only performs case-insensitive comparison against the | |
418 | standard names. For anything more sophisticated, like matching | |
419 | "gray" with "grey" or translating X color names into their MSDOS | |
2d764c78 EZ |
420 | equivalents, call the Lisp function Qtty_color_desc (defined |
421 | on lisp/term/tty-colors.el). */ | |
e4441df0 EZ |
422 | int |
423 | msdos_stdcolor_idx (const char *name) | |
424 | { | |
425 | int i; | |
426 | ||
427 | for (i = 0; i < sizeof (vga_colors) / sizeof (vga_colors[0]); i++) | |
05131107 | 428 | if (xstrcasecmp (name, vga_colors[i]) == 0) |
e4441df0 EZ |
429 | return i; |
430 | ||
f9d2fdc4 | 431 | return |
24480d5b EZ |
432 | strcmp (name, unspecified_fg) == 0 ? FACE_TTY_DEFAULT_FG_COLOR |
433 | : strcmp (name, unspecified_bg) == 0 ? FACE_TTY_DEFAULT_BG_COLOR | |
f9d2fdc4 | 434 | : FACE_TTY_DEFAULT_COLOR; |
e4441df0 EZ |
435 | } |
436 | ||
437 | /* Given a color index, return its standard name. */ | |
2d764c78 | 438 | Lisp_Object |
e4441df0 EZ |
439 | msdos_stdcolor_name (int idx) |
440 | { | |
24480d5b EZ |
441 | extern Lisp_Object Qunspecified; |
442 | ||
443 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) | |
444 | return build_string (unspecified_fg); | |
445 | else if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
446 | return build_string (unspecified_bg); | |
447 | else if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0])) | |
448 | return build_string (vga_colors[idx]); | |
449 | else | |
450 | return Qunspecified; /* meaning the default */ | |
e4441df0 EZ |
451 | } |
452 | ||
838a94b8 EZ |
453 | /* Support for features that are available when we run in a DOS box |
454 | on MS-Windows. */ | |
455 | int | |
456 | ms_windows_version (void) | |
457 | { | |
458 | return dos_windows_version; | |
459 | } | |
460 | ||
461 | /* Set the title of the current virtual machine, to appear on | |
462 | the caption bar of that machine's window. */ | |
463 | ||
464 | int | |
465 | w95_set_virtual_machine_title (const char *title_string) | |
466 | { | |
467 | /* Only Windows 9X (version 4 and higher) support this function. */ | |
468 | if (!NILP (Vdos_windows_version) | |
469 | && (dos_windows_version & 0xff) >= 4) | |
470 | { | |
471 | _go32_dpmi_registers regs; | |
472 | dosmemput (title_string, strlen (title_string) + 1, __tb); | |
473 | regs.x.ax = 0x168e; | |
474 | regs.x.dx = 1; | |
475 | regs.x.es = __tb >> 4; | |
476 | regs.x.di = __tb & 15; | |
477 | regs.x.sp = regs.x.ss = regs.x.flags = 0; | |
478 | _go32_dpmi_simulate_int (0x2f, ®s); | |
479 | return regs.x.ax == 1; | |
480 | } | |
481 | return 0; | |
482 | } | |
483 | ||
484 | /* Change the title of frame F to NAME. | |
485 | If NAME is nil, use the frame name as the title. | |
486 | ||
487 | If Emacs is not run from a DOS box on Windows 9X, this only | |
488 | sets the name in the frame struct, but has no other effects. */ | |
489 | ||
490 | void | |
491 | x_set_title (f, name) | |
492 | struct frame *f; | |
493 | Lisp_Object name; | |
494 | { | |
495 | /* Don't change the title if it's already NAME. */ | |
496 | if (EQ (name, f->title)) | |
497 | return; | |
498 | ||
499 | update_mode_lines = 1; | |
500 | ||
501 | f->title = name; | |
502 | ||
503 | if (NILP (name)) | |
504 | name = f->name; | |
505 | ||
506 | if (FRAME_MSDOS_P (f)) | |
507 | { | |
508 | BLOCK_INPUT; | |
d5db4077 | 509 | w95_set_virtual_machine_title (SDATA (name)); |
838a94b8 EZ |
510 | UNBLOCK_INPUT; |
511 | } | |
512 | } | |
513 | #endif /* !HAVE_X_WINDOWS */ | |
514 | \f | |
76a76a57 | 515 | DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0, |
7363986a PJ |
516 | doc: /* Return storage information about the file system FILENAME is on. |
517 | Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total | |
518 | storage of the file system, FREE is the free storage, and AVAIL is the | |
519 | storage available to a non-superuser. All 3 numbers are in bytes. | |
520 | If the underlying system call fails, value is nil. */) | |
521 | (filename) | |
522 | Lisp_Object filename; | |
76a76a57 EZ |
523 | { |
524 | struct statfs stfs; | |
525 | Lisp_Object encoded, value; | |
526 | ||
b7826503 | 527 | CHECK_STRING (filename); |
76a76a57 EZ |
528 | filename = Fexpand_file_name (filename, Qnil); |
529 | encoded = ENCODE_FILE (filename); | |
530 | ||
d5db4077 | 531 | if (statfs (SDATA (encoded), &stfs)) |
76a76a57 EZ |
532 | value = Qnil; |
533 | else | |
534 | value = list3 (make_float ((double) stfs.f_bsize * stfs.f_blocks), | |
535 | make_float ((double) stfs.f_bsize * stfs.f_bfree), | |
536 | make_float ((double) stfs.f_bsize * stfs.f_bavail)); | |
537 | ||
538 | return value; | |
539 | } | |
540 | \f | |
e5c9f94c EZ |
541 | /* System depended enumeration of and access to system processes a-la |
542 | ps(1). Here, we only return info about the running Emacs process. | |
543 | (There are no other processes on DOS, right?) */ | |
544 | ||
545 | Lisp_Object | |
546 | list_system_processes () | |
547 | { | |
548 | Lisp_Object proclist = Qnil; | |
549 | ||
550 | proclist = Fcons (make_fixnum_or_float (getpid ()), proclist); | |
551 | ||
552 | return proclist; | |
553 | } | |
554 | ||
555 | Lisp_Object | |
556 | system_process_attributes (Lisp_Object pid) | |
557 | { | |
558 | int proc_id; | |
559 | Lisp_Object attrs = Qnil; | |
560 | ||
561 | CHECK_NUMBER_OR_FLOAT (pid); | |
562 | proc_id = FLOATP (pid) ? XFLOAT_DATA (pid) : XINT (pid); | |
563 | ||
564 | if (proc_id == getpid ()) | |
565 | { | |
566 | EMACS_INT uid, gid; | |
567 | char *usr; | |
568 | struct group *gr; | |
569 | char cmd[FILENAME_MAX]; | |
570 | char *cmdline = NULL, *p, *q; | |
571 | size_t cmdline_size = 0; | |
572 | int i; | |
573 | Lisp_Object cmd_str, decoded_cmd, tem; | |
574 | double pmem; | |
693a2698 | 575 | #ifndef SYSTEM_MALLOC |
e5c9f94c | 576 | extern unsigned long ret_lim_data (); |
693a2698 | 577 | #endif |
e5c9f94c EZ |
578 | |
579 | uid = getuid (); | |
580 | attrs = Fcons (Fcons (Qeuid, make_fixnum_or_float (uid)), attrs); | |
581 | usr = getlogin (); | |
582 | if (usr) | |
583 | attrs = Fcons (Fcons (Quser, build_string (usr)), attrs); | |
584 | gid = getgid (); | |
585 | attrs = Fcons (Fcons (Qegid, make_fixnum_or_float (gid)), attrs); | |
586 | gr = getgrgid (gid); | |
587 | if (gr) | |
588 | attrs = Fcons (Fcons (Qgroup, build_string (gr->gr_name)), attrs); | |
589 | strcpy (cmd, basename (__crt0_argv[0])); | |
590 | /* Command name is encoded in locale-coding-system; decode it. */ | |
591 | cmd_str = make_unibyte_string (cmd, strlen (cmd)); | |
592 | decoded_cmd = code_convert_string_norecord (cmd_str, | |
593 | Vlocale_coding_system, 0); | |
594 | attrs = Fcons (Fcons (Qcomm, decoded_cmd), attrs); | |
595 | /* Pretend we have 0 as PPID. */ | |
596 | attrs = Fcons (Fcons (Qppid, make_number (0)), attrs); | |
597 | attrs = Fcons (Fcons (Qpgrp, pid), attrs); | |
598 | attrs = Fcons (Fcons (Qttname, build_string ("/dev/tty")), attrs); | |
599 | /* We are never idle! */ | |
600 | tem = Fget_internal_run_time (); | |
601 | attrs = Fcons (Fcons (Qtime, tem), attrs); | |
602 | attrs = Fcons (Fcons (Qthcount, make_number (1)), attrs); | |
603 | attrs = Fcons (Fcons (Qstart, | |
604 | Fsymbol_value (intern ("before-init-time"))), | |
605 | attrs); | |
606 | attrs = Fcons (Fcons (Qvsize, | |
607 | make_fixnum_or_float ((unsigned long)sbrk(0)/1024)), | |
608 | attrs); | |
609 | attrs = Fcons (Fcons (Qetime, tem), attrs); | |
693a2698 EZ |
610 | #ifndef SYSTEM_MALLOC |
611 | /* ret_lim_data is on vm-limit.c, which is not compiled in under | |
612 | SYSTEM_MALLOC. */ | |
e5c9f94c EZ |
613 | pmem = (double)((unsigned long) sbrk (0)) / ret_lim_data () * 100.0; |
614 | if (pmem > 100) | |
693a2698 | 615 | #endif |
e5c9f94c EZ |
616 | pmem = 100; |
617 | attrs = Fcons (Fcons (Qpmem, make_float (pmem)), attrs); | |
618 | /* Pass 1: Count how much storage we need. */ | |
619 | for (i = 0; i < __crt0_argc; i++) | |
620 | { | |
621 | cmdline_size += strlen (__crt0_argv[i]) + 1; /* +1 for blank delim */ | |
622 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
623 | { | |
624 | cmdline_size += 2; | |
625 | for (p = __crt0_argv[i]; *p; p++) | |
626 | { | |
627 | if (*p == '"') | |
628 | cmdline_size++; | |
629 | } | |
630 | } | |
631 | } | |
632 | /* Pass 2: Allocate storage and concatenate argv[]. */ | |
633 | cmdline = xmalloc (cmdline_size + 1); | |
634 | for (i = 0, q = cmdline; i < __crt0_argc; i++) | |
635 | { | |
636 | if (strpbrk (__crt0_argv[i], " \t\n\r\v\f")) | |
637 | { | |
638 | *q++ = '"'; | |
639 | for (p = __crt0_argv[i]; *p; p++) | |
640 | { | |
641 | if (*p == '\"') | |
642 | *q++ = '\\'; | |
643 | *q++ = *p; | |
644 | } | |
645 | *q++ = '"'; | |
646 | } | |
647 | else | |
648 | { | |
649 | strcpy (q, __crt0_argv[i]); | |
650 | q += strlen (__crt0_argv[i]); | |
651 | } | |
652 | *q++ = ' '; | |
653 | } | |
654 | /* Remove the trailing blank. */ | |
655 | if (q > cmdline) | |
656 | q[-1] = '\0'; | |
657 | ||
658 | /* Command line is encoded in locale-coding-system; decode it. */ | |
659 | cmd_str = make_unibyte_string (cmdline, strlen (cmdline)); | |
660 | decoded_cmd = code_convert_string_norecord (cmd_str, | |
661 | Vlocale_coding_system, 0); | |
662 | xfree (cmdline); | |
663 | attrs = Fcons (Fcons (Qargs, decoded_cmd), attrs); | |
664 | } | |
665 | ||
666 | return attrs; | |
667 | } | |
668 | \f | |
838a94b8 EZ |
669 | void |
670 | dos_cleanup (void) | |
671 | { | |
c06981c0 EZ |
672 | struct tty_display_info *tty; |
673 | ||
838a94b8 EZ |
674 | #ifndef HAVE_X_WINDOWS |
675 | restore_parent_vm_title (); | |
676 | #endif | |
6f855d64 EZ |
677 | /* Make sure the termscript file is committed, in case we are |
678 | crashing and some vital info was written there. */ | |
c06981c0 | 679 | if (FRAMEP (selected_frame)) |
6f855d64 | 680 | { |
c06981c0 EZ |
681 | struct frame *sf = XFRAME (selected_frame); |
682 | ||
683 | if (FRAME_LIVE_P (sf) | |
684 | && (FRAME_MSDOS_P (sf) || FRAME_TERMCAP_P (sf))) | |
685 | { | |
686 | tty = CURTTY (); | |
687 | if (tty->termscript) | |
688 | { | |
689 | fflush (tty->termscript); | |
690 | fsync (fileno (tty->termscript)); | |
691 | } | |
692 | } | |
6f855d64 | 693 | } |
838a94b8 EZ |
694 | } |
695 | ||
1b94449f RS |
696 | /* |
697 | * Define everything | |
698 | */ | |
699 | syms_of_dosfns () | |
700 | { | |
1b94449f | 701 | defsubr (&Sint86); |
5f08dc78 KS |
702 | defsubr (&Sdos_memget); |
703 | defsubr (&Sdos_memput); | |
ac3b0279 RS |
704 | defsubr (&Smsdos_mouse_init); |
705 | defsubr (&Smsdos_mouse_enable); | |
5f08dc78 KS |
706 | defsubr (&Smsdos_set_keyboard); |
707 | defsubr (&Sinsert_startup_screen); | |
ac3b0279 | 708 | defsubr (&Smsdos_mouse_disable); |
76a76a57 | 709 | defsubr (&Sfile_system_info); |
87485d6f MW |
710 | #ifndef HAVE_X_WINDOWS |
711 | defsubr (&Smsdos_mouse_p); | |
87485d6f | 712 | #endif |
1b94449f RS |
713 | |
714 | DEFVAR_INT ("dos-country-code", &dos_country_code, | |
7363986a PJ |
715 | doc: /* The country code returned by Dos when Emacs was started. |
716 | Usually this is the international telephone prefix. */); | |
1b94449f RS |
717 | |
718 | DEFVAR_INT ("dos-codepage", &dos_codepage, | |
7363986a PJ |
719 | doc: /* The codepage active when Emacs was started. |
720 | The following are known: | |
721 | 437 United States | |
722 | 850 Multilingual (Latin I) | |
723 | 852 Slavic (Latin II) | |
724 | 857 Turkish | |
725 | 860 Portugal | |
726 | 861 Iceland | |
727 | 863 Canada (French) | |
728 | 865 Norway/Denmark */); | |
1b94449f | 729 | |
5f08dc78 | 730 | DEFVAR_INT ("dos-timezone-offset", &dos_timezone_offset, |
7363986a PJ |
731 | doc: /* The current timezone offset to UTC in minutes. |
732 | Implicitly modified when the TZ variable is changed. */); | |
b058cb36 | 733 | |
1b94449f | 734 | DEFVAR_LISP ("dos-version", &Vdos_version, |
7363986a | 735 | doc: /* The (MAJOR . MINOR) Dos version (subject to modification with setver). */); |
5f08dc78 | 736 | |
838a94b8 EZ |
737 | #ifndef HAVE_X_WINDOWS |
738 | DEFVAR_LISP ("dos-windows-version", &Vdos_windows_version, | |
7363986a | 739 | doc: /* The (MAJOR . MINOR) Windows version for DOS session on MS-Windows. */); |
838a94b8 EZ |
740 | #endif |
741 | ||
5f08dc78 | 742 | DEFVAR_LISP ("dos-display-scancodes", &Vdos_display_scancodes, |
7363986a PJ |
743 | doc: /* *Controls whether DOS raw keyboard events are displayed as you type. |
744 | When non-nil, the keyboard scan-codes are displayed at the bottom right | |
745 | corner of the display (typically at the end of the mode line). | |
746 | The output format is: scan code:char code*modifiers. */); | |
747 | ||
5f08dc78 | 748 | Vdos_display_scancodes = Qnil; |
b058cb36 | 749 | |
5f08dc78 | 750 | DEFVAR_INT ("dos-hyper-key", &dos_hyper_key, |
7363986a PJ |
751 | doc: /* *If set to 1, use right ALT key as hyper key. |
752 | If set to 2, use right CTRL key as hyper key. */); | |
5f08dc78 | 753 | dos_hyper_key = 0; |
b058cb36 | 754 | |
5f08dc78 | 755 | DEFVAR_INT ("dos-super-key", &dos_super_key, |
7363986a PJ |
756 | doc: /* *If set to 1, use right ALT key as super key. |
757 | If set to 2, use right CTRL key as super key. */); | |
5f08dc78 | 758 | dos_super_key = 0; |
b058cb36 | 759 | |
5f08dc78 | 760 | DEFVAR_INT ("dos-keypad-mode", &dos_keypad_mode, |
7363986a PJ |
761 | doc: /* *Controls what key code is returned by a key in the numeric keypad. |
762 | The `numlock ON' action is only taken if no modifier keys are pressed. | |
763 | The value is an integer constructed by adding the following bits together: | |
764 | ||
765 | 0x00 Digit key returns digit (if numlock ON) | |
766 | 0x01 Digit key returns kp-digit (if numlock ON) | |
767 | 0x02 Digit key returns M-digit (if numlock ON) | |
768 | 0x03 Digit key returns edit key (if numlock ON) | |
769 | ||
770 | 0x00 Grey key returns char (if numlock ON) | |
771 | 0x04 Grey key returns kp-key (if numlock ON) | |
772 | ||
773 | 0x00 Digit key returns digit (if numlock OFF) | |
774 | 0x10 Digit key returns kp-digit (if numlock OFF) | |
775 | 0x20 Digit key returns M-digit (if numlock OFF) | |
776 | 0x30 Digit key returns edit key (if numlock OFF) | |
777 | ||
778 | 0x00 Grey key returns char (if numlock OFF) | |
779 | 0x40 Grey key returns kp-key (if numlock OFF) | |
780 | ||
781 | 0x200 ALT-0..ALT-9 in top-row produces shifted codes. */); | |
b3d5621c | 782 | dos_keypad_mode = 0x75; |
b058cb36 | 783 | |
5f08dc78 | 784 | DEFVAR_INT ("dos-keyboard-layout", &dos_keyboard_layout, |
7363986a PJ |
785 | doc: /* Contains the country code for the current keyboard layout. |
786 | Use msdos-set-keyboard to select another keyboard layout. */); | |
5f08dc78 | 787 | dos_keyboard_layout = 1; /* US */ |
b058cb36 | 788 | |
5f08dc78 | 789 | DEFVAR_INT ("dos-decimal-point", &dos_decimal_point, |
7363986a PJ |
790 | doc: /* The character to produce when kp-decimal key is pressed. |
791 | If non-zero, this variable contains the character to be returned when the | |
792 | decimal point key in the numeric keypad is pressed when Num Lock is on. | |
793 | If zero, the decimal point key returns the country code specific value. */); | |
5f08dc78 | 794 | dos_decimal_point = 0; |
1b94449f RS |
795 | } |
796 | #endif /* MSDOS */ | |
6b61353c KH |
797 | |
798 | /* arch-tag: f5ea8847-a014-42c9-83f5-7738ad640b17 | |
799 | (do not change this comment) */ |