| 1 | /* MS-DOS specific Lisp utilities. Coded by Manabu Higashida, 1991. |
| 2 | Major changes May-July 1993 Morten Welinder (only 10% original code left) |
| 3 | Copyright (C) 1991, 1993, 1996, 1997 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 10 | any later version. |
| 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 |
| 18 | along with GNU Emacs; see the file COPYING. If not, write to |
| 19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | |
| 23 | #include <config.h> |
| 24 | |
| 25 | #ifdef MSDOS |
| 26 | /* The entire file is within this conditional */ |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <string.h> |
| 30 | #include <dos.h> |
| 31 | #include "lisp.h" |
| 32 | #include "buffer.h" |
| 33 | #include "termchar.h" |
| 34 | #include "termhooks.h" |
| 35 | #include "frame.h" |
| 36 | #include "blockinput.h" |
| 37 | #include "window.h" |
| 38 | #include "dosfns.h" |
| 39 | #include "msdos.h" |
| 40 | #include "dispextern.h" |
| 41 | #include <dpmi.h> |
| 42 | #include <go32.h> |
| 43 | #include <dirent.h> |
| 44 | |
| 45 | #ifndef __DJGPP_MINOR__ |
| 46 | # define __tb _go32_info_block.linear_address_of_transfer_buffer; |
| 47 | #endif |
| 48 | |
| 49 | DEFUN ("int86", Fint86, Sint86, 2, 2, 0, |
| 50 | "Call specific MSDOS interrupt number INTERRUPT with REGISTERS.\n\ |
| 51 | Return the updated REGISTER vector.\n\ |
| 52 | \n\ |
| 53 | INTERRUPT should be an integer in the range 0 to 255.\n\ |
| 54 | REGISTERS should be a vector produced by `make-register' and\n\ |
| 55 | `set-register-value'.") |
| 56 | (interrupt, registers) |
| 57 | Lisp_Object interrupt, registers; |
| 58 | { |
| 59 | register int i; |
| 60 | int no; |
| 61 | union REGS inregs, outregs; |
| 62 | Lisp_Object val; |
| 63 | |
| 64 | CHECK_NUMBER (interrupt, 0); |
| 65 | no = (unsigned long) XINT (interrupt); |
| 66 | CHECK_VECTOR (registers, 1); |
| 67 | if (no < 0 || no > 0xff || XVECTOR (registers)-> size != 8) |
| 68 | return Qnil; |
| 69 | for (i = 0; i < 8; i++) |
| 70 | CHECK_NUMBER (XVECTOR (registers)->contents[i], 1); |
| 71 | |
| 72 | inregs.x.ax = (unsigned long) XFASTINT (XVECTOR (registers)->contents[0]); |
| 73 | inregs.x.bx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[1]); |
| 74 | inregs.x.cx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[2]); |
| 75 | inregs.x.dx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[3]); |
| 76 | inregs.x.si = (unsigned long) XFASTINT (XVECTOR (registers)->contents[4]); |
| 77 | inregs.x.di = (unsigned long) XFASTINT (XVECTOR (registers)->contents[5]); |
| 78 | inregs.x.cflag = (unsigned long) XFASTINT (XVECTOR (registers)->contents[6]); |
| 79 | inregs.x.flags = (unsigned long) XFASTINT (XVECTOR (registers)->contents[7]); |
| 80 | |
| 81 | int86 (no, &inregs, &outregs); |
| 82 | |
| 83 | XVECTOR (registers)->contents[0] = make_number (outregs.x.ax); |
| 84 | XVECTOR (registers)->contents[1] = make_number (outregs.x.bx); |
| 85 | XVECTOR (registers)->contents[2] = make_number (outregs.x.cx); |
| 86 | XVECTOR (registers)->contents[3] = make_number (outregs.x.dx); |
| 87 | XVECTOR (registers)->contents[4] = make_number (outregs.x.si); |
| 88 | XVECTOR (registers)->contents[5] = make_number (outregs.x.di); |
| 89 | XVECTOR (registers)->contents[6] = make_number (outregs.x.cflag); |
| 90 | XVECTOR (registers)->contents[7] = make_number (outregs.x.flags); |
| 91 | |
| 92 | return registers; |
| 93 | } |
| 94 | |
| 95 | DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, |
| 96 | "Read DOS memory at offset ADDRESS into VECTOR.\n\ |
| 97 | Return the updated VECTOR.") |
| 98 | (address, vector) |
| 99 | Lisp_Object address, vector; |
| 100 | { |
| 101 | register int i; |
| 102 | int offs, len; |
| 103 | char *buf; |
| 104 | Lisp_Object val; |
| 105 | |
| 106 | CHECK_NUMBER (address, 0); |
| 107 | offs = (unsigned long) XINT (address); |
| 108 | CHECK_VECTOR (vector, 1); |
| 109 | len = XVECTOR (vector)-> size; |
| 110 | if (len < 1 || len > 2048 || address < 0 || address > 0xfffff - len) |
| 111 | return Qnil; |
| 112 | buf = alloca (len); |
| 113 | dosmemget (offs, len, buf); |
| 114 | |
| 115 | for (i = 0; i < len; i++) |
| 116 | XVECTOR (vector)->contents[i] = make_number (buf[i]); |
| 117 | |
| 118 | return vector; |
| 119 | } |
| 120 | |
| 121 | DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, |
| 122 | "Write DOS memory at offset ADDRESS from VECTOR.") |
| 123 | (address, vector) |
| 124 | Lisp_Object address, vector; |
| 125 | { |
| 126 | register int i; |
| 127 | int offs, len; |
| 128 | char *buf; |
| 129 | Lisp_Object val; |
| 130 | |
| 131 | CHECK_NUMBER (address, 0); |
| 132 | offs = (unsigned long) XINT (address); |
| 133 | CHECK_VECTOR (vector, 1); |
| 134 | len = XVECTOR (vector)-> size; |
| 135 | if (len < 1 || len > 2048 || address < 0 || address > 0xfffff - len) |
| 136 | return Qnil; |
| 137 | buf = alloca (len); |
| 138 | |
| 139 | for (i = 0; i < len; i++) |
| 140 | { |
| 141 | CHECK_NUMBER (XVECTOR (vector)->contents[i], 1); |
| 142 | buf[i] = (unsigned char) XFASTINT (XVECTOR (vector)->contents[i]) & 0xFF; |
| 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, |
| 150 | "Set keyboard layout according to COUNTRY-CODE.\n\ |
| 151 | If the optional argument ALLKEYS is non-nil, the keyboard is mapped for\n\ |
| 152 | all keys; otherwise it is only used when the ALT key is pressed.\n\ |
| 153 | The current keyboard layout is available in dos-keyboard-code.") |
| 154 | (country_code, allkeys) |
| 155 | Lisp_Object country_code; |
| 156 | { |
| 157 | CHECK_NUMBER (country_code, 0); |
| 158 | if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) |
| 159 | return Qnil; |
| 160 | return Qt; |
| 161 | } |
| 162 | |
| 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 | |
| 167 | DEFUN ("msdos-mouse-p", Fmsdos_mouse_p, Smsdos_mouse_p, 0, 0, 0, "\ |
| 168 | Report whether a mouse is present.") |
| 169 | () |
| 170 | { |
| 171 | if (have_mouse) |
| 172 | return Qt; |
| 173 | else |
| 174 | return Qnil; |
| 175 | } |
| 176 | |
| 177 | /* Function to translate colour names to integers. See lisp/term/pc-win.el |
| 178 | for its definition. */ |
| 179 | |
| 180 | Lisp_Object Qmsdos_color_translate; |
| 181 | #endif |
| 182 | |
| 183 | |
| 184 | DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", |
| 185 | "Initialize and enable mouse if available.") |
| 186 | () |
| 187 | { |
| 188 | if (have_mouse) |
| 189 | { |
| 190 | have_mouse = 1; |
| 191 | mouse_init (); |
| 192 | return Qt; |
| 193 | } |
| 194 | return Qnil; |
| 195 | } |
| 196 | |
| 197 | DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", |
| 198 | "Enable mouse if available.") |
| 199 | () |
| 200 | { |
| 201 | if (have_mouse) |
| 202 | { |
| 203 | have_mouse = 1; |
| 204 | mouse_on (); |
| 205 | } |
| 206 | return have_mouse ? Qt : Qnil; |
| 207 | } |
| 208 | |
| 209 | DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", |
| 210 | "Disable mouse if available.") |
| 211 | () |
| 212 | { |
| 213 | mouse_off (); |
| 214 | if (have_mouse) have_mouse = -1; |
| 215 | return Qnil; |
| 216 | } |
| 217 | |
| 218 | DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", "\ |
| 219 | Insert copy of screen contents prior to starting emacs.\n\ |
| 220 | Return nil if startup screen is not available.") |
| 221 | () |
| 222 | { |
| 223 | char *s; |
| 224 | int rows, cols; |
| 225 | int i, j; |
| 226 | |
| 227 | if (!dos_get_saved_screen (&s, &rows, &cols)) |
| 228 | return Qnil; |
| 229 | |
| 230 | for (i = 0; i < rows; i++) |
| 231 | { |
| 232 | for (j = 0; j < cols; j++) |
| 233 | { |
| 234 | insert_char (*s); |
| 235 | s += 2; |
| 236 | } |
| 237 | insert_char ('\n'); |
| 238 | } |
| 239 | |
| 240 | return Qt; |
| 241 | } |
| 242 | \f |
| 243 | /* country info */ |
| 244 | int dos_country_code; |
| 245 | int dos_codepage; |
| 246 | int dos_timezone_offset; |
| 247 | int dos_decimal_point; |
| 248 | int dos_keyboard_layout; |
| 249 | unsigned char dos_country_info[DOS_COUNTRY_INFO]; |
| 250 | static unsigned char usa_country_info[DOS_COUNTRY_INFO] = { |
| 251 | 0, 0, /* date format */ |
| 252 | '$', 0, 0, 0, 0, /* currency string */ |
| 253 | ',', 0, /* thousands separator */ |
| 254 | '.', 0, /* decimal separator */ |
| 255 | '/', 0, /* date separator */ |
| 256 | ':', 0, /* time separator */ |
| 257 | 0, /* currency format */ |
| 258 | 2, /* digits after decimal in currency */ |
| 259 | 0, /* time format */ |
| 260 | 0, 0, 0, 0, /* address of case map routine, GPF if used */ |
| 261 | ' ', 0, /* data-list separator (?) */ |
| 262 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* reserved */ |
| 263 | }; |
| 264 | |
| 265 | int dos_hyper_key; |
| 266 | int dos_super_key; |
| 267 | int dos_keypad_mode; |
| 268 | |
| 269 | Lisp_Object Vdos_version; |
| 270 | Lisp_Object Vdos_display_scancodes; |
| 271 | |
| 272 | #ifndef HAVE_X_WINDOWS |
| 273 | static unsigned dos_windows_version; |
| 274 | Lisp_Object Vdos_windows_version; |
| 275 | |
| 276 | char parent_vm_title[50]; /* Ralf Brown says 30 is enough */ |
| 277 | int w95_set_virtual_machine_title (const char *); |
| 278 | |
| 279 | void |
| 280 | restore_parent_vm_title (void) |
| 281 | { |
| 282 | if (NILP (Vdos_windows_version)) |
| 283 | return; |
| 284 | if ((dos_windows_version & 0xff) >= 4 && parent_vm_title[0]) |
| 285 | w95_set_virtual_machine_title (parent_vm_title); |
| 286 | delay (50); |
| 287 | } |
| 288 | #endif /* !HAVE_X_WINDOWS */ |
| 289 | |
| 290 | void |
| 291 | init_dosfns () |
| 292 | { |
| 293 | union REGS regs; |
| 294 | _go32_dpmi_registers dpmiregs; |
| 295 | unsigned long xbuf = _go32_info_block.linear_address_of_transfer_buffer; |
| 296 | |
| 297 | #ifndef SYSTEM_MALLOC |
| 298 | get_lim_data (); /* why the hell isn't this called elsewhere? */ |
| 299 | #endif |
| 300 | |
| 301 | regs.x.ax = 0x3000; |
| 302 | intdos (®s, ®s); |
| 303 | Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); |
| 304 | |
| 305 | /* Obtain the country code via DPMI, use DJGPP transfer buffer. */ |
| 306 | dpmiregs.x.ax = 0x3800; |
| 307 | dpmiregs.x.ds = xbuf >> 4; |
| 308 | dpmiregs.x.dx = 0; |
| 309 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; |
| 310 | _go32_dpmi_simulate_int (0x21, &dpmiregs); |
| 311 | if (dpmiregs.x.flags & 1) |
| 312 | { |
| 313 | dos_country_code = 1; /* assume USA if 213800 failed */ |
| 314 | memcpy (dos_country_info, usa_country_info, DOS_COUNTRY_INFO); |
| 315 | } |
| 316 | else |
| 317 | { |
| 318 | dos_country_code = dpmiregs.x.bx; |
| 319 | dosmemget (xbuf, DOS_COUNTRY_INFO, dos_country_info); |
| 320 | } |
| 321 | |
| 322 | dos_set_keyboard (dos_country_code, 0); |
| 323 | |
| 324 | regs.x.ax = 0x6601; |
| 325 | intdos (®s, ®s); |
| 326 | if (regs.x.cflag) |
| 327 | /* Estimate code page from country code */ |
| 328 | switch (dos_country_code) |
| 329 | { |
| 330 | case 45: /* Denmark */ |
| 331 | case 47: /* Norway */ |
| 332 | dos_codepage = 865; |
| 333 | break; |
| 334 | default: |
| 335 | /* US */ |
| 336 | dos_codepage = 437; |
| 337 | } |
| 338 | else |
| 339 | dos_codepage = regs.x.bx & 0xffff; |
| 340 | |
| 341 | #ifndef HAVE_X_WINDOWS |
| 342 | parent_vm_title[0] = '\0'; |
| 343 | |
| 344 | /* If we are running from DOS box on MS-Windows, get Windows version. */ |
| 345 | dpmiregs.x.ax = 0x1600; /* enhanced mode installation check */ |
| 346 | dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; |
| 347 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); |
| 348 | /* We only support Windows-specific features when we run on Windows 9X |
| 349 | or on Windows 3.X/enhanced mode. |
| 350 | |
| 351 | Int 2Fh/AX=1600h returns: |
| 352 | |
| 353 | AL = 00: no Windows at all; |
| 354 | AL = 01: Windows/386 2.x; |
| 355 | AL = 80h: Windows 3.x in mode other than enhanced; |
| 356 | AL = FFh: Windows/386 2.x |
| 357 | |
| 358 | We also check AH > 0 (Windows 3.1 or later), in case AL tricks us. */ |
| 359 | if (dpmiregs.h.al > 2 && dpmiregs.h.al != 0x80 && dpmiregs.h.al != 0xff |
| 360 | && (dpmiregs.h.al > 3 || dpmiregs.h.ah > 0)) |
| 361 | { |
| 362 | dos_windows_version = dpmiregs.x.ax; |
| 363 | Vdos_windows_version = |
| 364 | Fcons (make_number (dpmiregs.h.al), make_number (dpmiregs.h.ah)); |
| 365 | |
| 366 | /* Save the current title of this virtual machine, so we can restore |
| 367 | it before exiting. Otherwise, Windows 95 will continue to use |
| 368 | the title we set even after we are history, stupido... */ |
| 369 | if (dpmiregs.h.al >= 4) |
| 370 | { |
| 371 | dpmiregs.x.ax = 0x168e; |
| 372 | dpmiregs.x.dx = 3; /* get VM title */ |
| 373 | dpmiregs.x.cx = sizeof(parent_vm_title) - 1; |
| 374 | dpmiregs.x.es = __tb >> 4; |
| 375 | dpmiregs.x.di = __tb & 15; |
| 376 | dpmiregs.x.sp = dpmiregs.x.ss = dpmiregs.x.flags = 0; |
| 377 | _go32_dpmi_simulate_int (0x2f, &dpmiregs); |
| 378 | if (dpmiregs.x.ax == 1) |
| 379 | dosmemget (__tb, sizeof(parent_vm_title), parent_vm_title); |
| 380 | } |
| 381 | } |
| 382 | else |
| 383 | { |
| 384 | dos_windows_version = 0; |
| 385 | Vdos_windows_version = Qnil; |
| 386 | } |
| 387 | #endif /* !HAVE_X_WINDOWS */ |
| 388 | |
| 389 | #if __DJGPP__ >= 2 |
| 390 | |
| 391 | /* Without this, we never see hidden files. |
| 392 | Don't OR it with the previous value, so the value recorded at dump |
| 393 | time, possibly with `preserve-case' flags set, won't get through. */ |
| 394 | __opendir_flags = __OPENDIR_FIND_HIDDEN; |
| 395 | |
| 396 | #if __DJGPP_MINOR__ == 0 |
| 397 | /* Under LFN, preserve the case of files as recorded in the directory |
| 398 | (in DJGPP 2.01 and later this is automagically done by the library). */ |
| 399 | if (!NILP (Fmsdos_long_file_names ())) |
| 400 | __opendir_flags |= __OPENDIR_PRESERVE_CASE; |
| 401 | #endif /* __DJGPP_MINOR__ == 0 */ |
| 402 | #endif /* __DJGPP__ >= 2 */ |
| 403 | } |
| 404 | \f |
| 405 | #ifndef HAVE_X_WINDOWS |
| 406 | |
| 407 | /* Emulation of some X window features from xfns.c and xfaces.c. */ |
| 408 | |
| 409 | /* Standard VGA colors, in the order of their standard numbering |
| 410 | in the default VGA palette. */ |
| 411 | static char *vga_colors[16] = { |
| 412 | "black", "blue", "green", "cyan", "red", "magenta", "brown", |
| 413 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", |
| 414 | "lightred", "lightmagenta", "yellow", "white" |
| 415 | }; |
| 416 | |
| 417 | /* Given a color name, return its index, or -1 if not found. Note |
| 418 | that this only performs case-insensitive comparison against the |
| 419 | standard names. For anything more sophisticated, like matching |
| 420 | "gray" with "grey" or translating X color names into their MSDOS |
| 421 | equivalents, call the Lisp function Qmsdos_color_translate (defined |
| 422 | on lisp/term/pc-win.el). */ |
| 423 | int |
| 424 | msdos_stdcolor_idx (const char *name) |
| 425 | { |
| 426 | int i; |
| 427 | |
| 428 | for (i = 0; i < sizeof (vga_colors) / sizeof (vga_colors[0]); i++) |
| 429 | if (strcasecmp (name, vga_colors[i]) == 0) |
| 430 | return i; |
| 431 | |
| 432 | return FACE_TTY_DEFAULT_COLOR; |
| 433 | } |
| 434 | |
| 435 | /* Given a color index, return its standard name. */ |
| 436 | char * |
| 437 | msdos_stdcolor_name (int idx) |
| 438 | { |
| 439 | if (idx < 0 || idx >= sizeof (vga_colors) / sizeof (vga_colors[0])) |
| 440 | return ""; /* meaning the default */ |
| 441 | return vga_colors[idx]; |
| 442 | } |
| 443 | |
| 444 | /* Support for features that are available when we run in a DOS box |
| 445 | on MS-Windows. */ |
| 446 | int |
| 447 | ms_windows_version (void) |
| 448 | { |
| 449 | return dos_windows_version; |
| 450 | } |
| 451 | |
| 452 | /* Set the title of the current virtual machine, to appear on |
| 453 | the caption bar of that machine's window. */ |
| 454 | |
| 455 | int |
| 456 | w95_set_virtual_machine_title (const char *title_string) |
| 457 | { |
| 458 | /* Only Windows 9X (version 4 and higher) support this function. */ |
| 459 | if (!NILP (Vdos_windows_version) |
| 460 | && (dos_windows_version & 0xff) >= 4) |
| 461 | { |
| 462 | _go32_dpmi_registers regs; |
| 463 | dosmemput (title_string, strlen (title_string) + 1, __tb); |
| 464 | regs.x.ax = 0x168e; |
| 465 | regs.x.dx = 1; |
| 466 | regs.x.es = __tb >> 4; |
| 467 | regs.x.di = __tb & 15; |
| 468 | regs.x.sp = regs.x.ss = regs.x.flags = 0; |
| 469 | _go32_dpmi_simulate_int (0x2f, ®s); |
| 470 | return regs.x.ax == 1; |
| 471 | } |
| 472 | return 0; |
| 473 | } |
| 474 | |
| 475 | /* Change the title of frame F to NAME. |
| 476 | If NAME is nil, use the frame name as the title. |
| 477 | |
| 478 | If Emacs is not run from a DOS box on Windows 9X, this only |
| 479 | sets the name in the frame struct, but has no other effects. */ |
| 480 | |
| 481 | void |
| 482 | x_set_title (f, name) |
| 483 | struct frame *f; |
| 484 | Lisp_Object name; |
| 485 | { |
| 486 | /* Don't change the title if it's already NAME. */ |
| 487 | if (EQ (name, f->title)) |
| 488 | return; |
| 489 | |
| 490 | update_mode_lines = 1; |
| 491 | |
| 492 | f->title = name; |
| 493 | |
| 494 | if (NILP (name)) |
| 495 | name = f->name; |
| 496 | |
| 497 | if (FRAME_MSDOS_P (f)) |
| 498 | { |
| 499 | BLOCK_INPUT; |
| 500 | w95_set_virtual_machine_title (XSTRING (name)->data); |
| 501 | UNBLOCK_INPUT; |
| 502 | } |
| 503 | } |
| 504 | #endif /* !HAVE_X_WINDOWS */ |
| 505 | \f |
| 506 | void |
| 507 | dos_cleanup (void) |
| 508 | { |
| 509 | #ifndef HAVE_X_WINDOWS |
| 510 | restore_parent_vm_title (); |
| 511 | #endif |
| 512 | /* Make sure the termscript file is committed, in case we are |
| 513 | crashing and some vital info was written there. */ |
| 514 | if (termscript) |
| 515 | { |
| 516 | fflush (termscript); |
| 517 | fsync (fileno (termscript)); |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | /* |
| 522 | * Define everything |
| 523 | */ |
| 524 | syms_of_dosfns () |
| 525 | { |
| 526 | defsubr (&Sint86); |
| 527 | defsubr (&Sdos_memget); |
| 528 | defsubr (&Sdos_memput); |
| 529 | defsubr (&Smsdos_mouse_init); |
| 530 | defsubr (&Smsdos_mouse_enable); |
| 531 | defsubr (&Smsdos_set_keyboard); |
| 532 | defsubr (&Sinsert_startup_screen); |
| 533 | defsubr (&Smsdos_mouse_disable); |
| 534 | #ifndef HAVE_X_WINDOWS |
| 535 | defsubr (&Smsdos_mouse_p); |
| 536 | Qmsdos_color_translate = intern ("msdos-color-translate"); |
| 537 | staticpro (&Qmsdos_color_translate); |
| 538 | #endif |
| 539 | |
| 540 | DEFVAR_INT ("dos-country-code", &dos_country_code, |
| 541 | "The country code returned by Dos when Emacs was started.\n\ |
| 542 | Usually this is the international telephone prefix."); |
| 543 | |
| 544 | DEFVAR_INT ("dos-codepage", &dos_codepage, |
| 545 | "The codepage active when Emacs was started.\n\ |
| 546 | The following are known:\n\ |
| 547 | 437 United States\n\ |
| 548 | 850 Multilingual (Latin I)\n\ |
| 549 | 852 Slavic (Latin II)\n\ |
| 550 | 857 Turkish\n\ |
| 551 | 860 Portugal\n\ |
| 552 | 861 Iceland\n\ |
| 553 | 863 Canada (French)\n\ |
| 554 | 865 Norway/Denmark"); |
| 555 | |
| 556 | DEFVAR_INT ("dos-timezone-offset", &dos_timezone_offset, |
| 557 | "The current timezone offset to UTC in minutes. |
| 558 | Implicitly modified when the TZ variable is changed."); |
| 559 | |
| 560 | DEFVAR_LISP ("dos-version", &Vdos_version, |
| 561 | "The (MAJOR . MINOR) Dos version (subject to modification with setver)."); |
| 562 | |
| 563 | #ifndef HAVE_X_WINDOWS |
| 564 | DEFVAR_LISP ("dos-windows-version", &Vdos_windows_version, |
| 565 | "The (MAJOR . MINOR) Windows version for DOS session on MS-Windows."); |
| 566 | #endif |
| 567 | |
| 568 | DEFVAR_LISP ("dos-display-scancodes", &Vdos_display_scancodes, |
| 569 | "*When non-nil, the keyboard scan-codes are displayed at the bottom right\n\ |
| 570 | corner of the display (typically at the end of the mode line).\n\ |
| 571 | The output format is: scan code:char code*modifiers."); |
| 572 | Vdos_display_scancodes = Qnil; |
| 573 | |
| 574 | DEFVAR_INT ("dos-hyper-key", &dos_hyper_key, |
| 575 | "*If set to 1, use right ALT key as hyper key.\n\ |
| 576 | If set to 2, use right CTRL key as hyper key."); |
| 577 | dos_hyper_key = 0; |
| 578 | |
| 579 | DEFVAR_INT ("dos-super-key", &dos_super_key, |
| 580 | "*If set to 1, use right ALT key as super key.\n\ |
| 581 | If set to 2, use right CTRL key as super key."); |
| 582 | dos_super_key = 0; |
| 583 | |
| 584 | DEFVAR_INT ("dos-keypad-mode", &dos_keypad_mode, |
| 585 | "*Controls what key code is returned by a key in the numeric keypad.\n\ |
| 586 | The `numlock ON' action is only taken if no modifier keys are pressed.\n\ |
| 587 | The value is an integer constructed by adding the following bits together:\n\ |
| 588 | \n\ |
| 589 | 0x00 Digit key returns digit (if numlock ON)\n\ |
| 590 | 0x01 Digit key returns kp-digit (if numlock ON)\n\ |
| 591 | 0x02 Digit key returns M-digit (if numlock ON)\n\ |
| 592 | 0x03 Digit key returns edit key (if numlock ON)\n\ |
| 593 | \n\ |
| 594 | 0x00 Grey key returns char (if numlock ON)\n\ |
| 595 | 0x04 Grey key returns kp-key (if numlock ON)\n\ |
| 596 | \n\ |
| 597 | 0x00 Digit key returns digit (if numlock OFF)\n\ |
| 598 | 0x10 Digit key returns kp-digit (if numlock OFF)\n\ |
| 599 | 0x20 Digit key returns M-digit (if numlock OFF)\n\ |
| 600 | 0x30 Digit key returns edit key (if numlock OFF)\n\ |
| 601 | \n\ |
| 602 | 0x00 Grey key returns char (if numlock OFF)\n\ |
| 603 | 0x40 Grey key returns kp-key (if numlock OFF)\n\ |
| 604 | \n\ |
| 605 | 0x200 ALT-0..ALT-9 in top-row produces shifted codes."); |
| 606 | dos_keypad_mode = 0x75; |
| 607 | |
| 608 | DEFVAR_INT ("dos-keyboard-layout", &dos_keyboard_layout, |
| 609 | "Contains the country code for the current keyboard layout.\n\ |
| 610 | Use msdos-set-keyboard to select another keyboard layout."); |
| 611 | dos_keyboard_layout = 1; /* US */ |
| 612 | |
| 613 | DEFVAR_INT ("dos-decimal-point", &dos_decimal_point, |
| 614 | "If non-zero, it contains the character to be returned when the\n\ |
| 615 | decimal point key in the numeric keypad is pressed when Num Lock is on.\n\ |
| 616 | If zero, the decimal point key returns the country code specific value."); |
| 617 | dos_decimal_point = 0; |
| 618 | } |
| 619 | #endif /* MSDOS */ |