X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/edfc0d4575ebc14fb7a57a1881209b4744308556..64e3c718c6d33aed74e654a2ab97a8016e6bd64a:/src/dosfns.c diff --git a/src/dosfns.c b/src/dosfns.c index ea9eb6618c..b1ba6063a3 100644 --- a/src/dosfns.c +++ b/src/dosfns.c @@ -1,6 +1,6 @@ /* MS-DOS specific Lisp utilities. Coded by Manabu Higashida, 1991. Major changes May-July 1993 Morten Welinder (only 10% original code left) - Copyright (C) 1991, 1993 Free Software Foundation, Inc. + Copyright (C) 1991, 1993, 1996, 1997 Free Software Foundation, Inc. This file is part of GNU Emacs. @@ -16,7 +16,8 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ #include @@ -31,65 +32,17 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "termchar.h" #include "termhooks.h" #include "frame.h" +#include "blockinput.h" +#include "window.h" #include "dosfns.h" #include "msdos.h" +#include +#include +#include -DEFUN ("mode25", Fmode25, Smode25, 0, 0, "", "\ -Changes the number of rows to 25.") - () -{ - union REGS regs; - -#ifdef HAVE_X_WINDOWS - if (!inhibit_window_system) - return Qnil; -#endif - if (have_mouse) mouse_off (); - regs.x.ax = 3; - int86 (0x10, ®s, ®s); - regs.x.ax = 0x1101; - regs.h.bl = 0; - int86 (0x10, ®s, ®s); - regs.x.ax = 0x1200; - regs.h.bl = 32; - int86 (0x10, ®s, ®s); - regs.x.ax = 3; - int86 (0x10, ®s, ®s); - Fset_frame_size (Fselected_frame (), ScreenCols (), ScreenRows ()); - Frecenter (Qnil); - Fredraw_display (); - if (have_mouse) mouse_init (); - return Qnil; -} - -DEFUN ("mode4350", Fmode4350, Smode4350, 0, 0, "", "\ -Changes the number of rows to 43 (EGA) or 50 (VGA).") - () -{ - union REGS regs; - -#ifdef HAVE_X_WINDOWS - if (!inhibit_window_system) - return Qnil; +#ifndef __DJGPP_MINOR__ +# define __tb _go32_info_block.linear_address_of_transfer_buffer; #endif - if (have_mouse) mouse_off (); - regs.x.ax = 3; - int86 (0x10, ®s, ®s); - regs.x.ax = 0x1112; - regs.h.bl = 0; - int86 (0x10, ®s, ®s); - regs.x.ax = 0x1200; - regs.h.bl = 32; - int86 (0x10, ®s, ®s); - regs.x.ax = 0x0100; - regs.x.cx = 7; - int86 (0x10, ®s, ®s); - Fset_frame_size (Fselected_frame (), ScreenCols (), ScreenRows ()); - Frecenter (Qnil); - Fredraw_display (); - if (have_mouse) mouse_init (); - return Qnil; -} DEFUN ("int86", Fint86, Sint86, 2, 2, 0, "Call specific MSDOS interrupt number INTERRUPT with REGISTERS.\n\ @@ -98,43 +51,111 @@ Return the updated REGISTER vector.\n\ INTERRUPT should be an integer in the range 0 to 255.\n\ REGISTERS should be a vector produced by `make-register' and\n\ `set-register-value'.") - (intno, regs) - Lisp_Object intno, regs; + (interrupt, registers) + Lisp_Object interrupt, registers; { register int i; int no; union REGS inregs, outregs; Lisp_Object val; - CHECK_NUMBER (intno, 0); - no = (unsigned long) XINT (intno); - CHECK_VECTOR (regs, 1); - if (no < 0 || no > 0xff || XVECTOR (regs)-> size != 8) + CHECK_NUMBER (interrupt, 0); + no = (unsigned long) XINT (interrupt); + CHECK_VECTOR (registers, 1); + if (no < 0 || no > 0xff || XVECTOR (registers)-> size != 8) return Qnil; for (i = 0; i < 8; i++) - CHECK_NUMBER (XVECTOR (regs)->contents[i], 1); + CHECK_NUMBER (XVECTOR (registers)->contents[i], 1); - inregs.x.ax = (unsigned long) XFASTINT (XVECTOR (regs)->contents[0]); - inregs.x.bx = (unsigned long) XFASTINT (XVECTOR (regs)->contents[1]); - inregs.x.cx = (unsigned long) XFASTINT (XVECTOR (regs)->contents[2]); - inregs.x.dx = (unsigned long) XFASTINT (XVECTOR (regs)->contents[3]); - inregs.x.si = (unsigned long) XFASTINT (XVECTOR (regs)->contents[4]); - inregs.x.di = (unsigned long) XFASTINT (XVECTOR (regs)->contents[5]); - inregs.x.cflag = (unsigned long) XFASTINT (XVECTOR (regs)->contents[6]); - inregs.x.flags = (unsigned long) XFASTINT (XVECTOR (regs)->contents[7]); + inregs.x.ax = (unsigned long) XFASTINT (XVECTOR (registers)->contents[0]); + inregs.x.bx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[1]); + inregs.x.cx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[2]); + inregs.x.dx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[3]); + inregs.x.si = (unsigned long) XFASTINT (XVECTOR (registers)->contents[4]); + inregs.x.di = (unsigned long) XFASTINT (XVECTOR (registers)->contents[5]); + inregs.x.cflag = (unsigned long) XFASTINT (XVECTOR (registers)->contents[6]); + inregs.x.flags = (unsigned long) XFASTINT (XVECTOR (registers)->contents[7]); int86 (no, &inregs, &outregs); - XVECTOR (regs)->contents[0] = make_number (outregs.x.ax); - XVECTOR (regs)->contents[1] = make_number (outregs.x.bx); - XVECTOR (regs)->contents[2] = make_number (outregs.x.cx); - XVECTOR (regs)->contents[3] = make_number (outregs.x.dx); - XVECTOR (regs)->contents[4] = make_number (outregs.x.si); - XVECTOR (regs)->contents[5] = make_number (outregs.x.di); - XVECTOR (regs)->contents[6] = make_number (outregs.x.cflag); - XVECTOR (regs)->contents[7] = make_number (outregs.x.flags); + XVECTOR (registers)->contents[0] = make_number (outregs.x.ax); + XVECTOR (registers)->contents[1] = make_number (outregs.x.bx); + XVECTOR (registers)->contents[2] = make_number (outregs.x.cx); + XVECTOR (registers)->contents[3] = make_number (outregs.x.dx); + XVECTOR (registers)->contents[4] = make_number (outregs.x.si); + XVECTOR (registers)->contents[5] = make_number (outregs.x.di); + XVECTOR (registers)->contents[6] = make_number (outregs.x.cflag); + XVECTOR (registers)->contents[7] = make_number (outregs.x.flags); + + return registers; +} + +DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, + "Read DOS memory at offset ADDRESS into VECTOR.\n\ +Return the updated VECTOR.") + (address, vector) + Lisp_Object address, vector; +{ + register int i; + int offs, len; + char *buf; + Lisp_Object val; + + CHECK_NUMBER (address, 0); + offs = (unsigned long) XINT (address); + CHECK_VECTOR (vector, 1); + len = XVECTOR (vector)-> size; + if (len < 1 || len > 2048 || address < 0 || address > 0xfffff - len) + return Qnil; + buf = alloca (len); + dosmemget (offs, len, buf); + + for (i = 0; i < len; i++) + XVECTOR (vector)->contents[i] = make_number (buf[i]); + + return vector; +} + +DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, + "Write DOS memory at offset ADDRESS from VECTOR.") + (address, vector) + Lisp_Object address, vector; +{ + register int i; + int offs, len; + char *buf; + Lisp_Object val; + + CHECK_NUMBER (address, 0); + offs = (unsigned long) XINT (address); + CHECK_VECTOR (vector, 1); + len = XVECTOR (vector)-> size; + if (len < 1 || len > 2048 || address < 0 || address > 0xfffff - len) + return Qnil; + buf = alloca (len); + + for (i = 0; i < len; i++) + { + CHECK_NUMBER (XVECTOR (vector)->contents[i], 1); + buf[i] = (unsigned char) XFASTINT (XVECTOR (vector)->contents[i]) & 0xFF; + } - return regs; + dosmemput (buf, len, offs); + return Qt; +} + +DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0, + "Set keyboard layout according to COUNTRY-CODE.\n\ +If the optional argument ALLKEYS is non-nil, the keyboard is mapped for\n\ +all keys; otherwise it is only used when the ALT key is pressed.\n\ +The current keyboard layout is available in dos-keyboard-code.") + (country_code, allkeys) + Lisp_Object country_code; +{ + CHECK_NUMBER (country_code, 0); + if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) + return Qnil; + return Qt; } #ifndef HAVE_X_WINDOWS @@ -151,33 +172,125 @@ Report whether a mouse is present.") return Qnil; } -DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0, - "Move the mouse pointer to the center of character cell (X,Y) in FRAME.\n\ -WARNING: If you use this under X windows,\n\ -you should call `unfocus-frame' afterwards.") - (frame, x, y) - Lisp_Object frame, x, y; -{ - mouse_moveto (XINT (x), XINT (y)); -} - /* Function to translate colour names to integers. See lisp/term/pc-win.el for its definition. */ Lisp_Object Qmsdos_color_translate; #endif + +DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", + "Initialize and enable mouse if available.") + () +{ + if (have_mouse) + { + have_mouse = 1; + mouse_init (); + return Qt; + } + return Qnil; +} + +DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", + "Enable mouse if available.") + () +{ + if (have_mouse) + { + have_mouse = 1; + mouse_on (); + } + return have_mouse ? Qt : Qnil; +} + +DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", + "Disable mouse if available.") + () +{ + mouse_off (); + if (have_mouse) have_mouse = -1; + return Qnil; +} + +DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", "\ +Insert copy of screen contents prior to starting emacs.\n\ +Return nil if startup screen is not available.") + () +{ + char *s; + int rows, cols; + int i, j; + + if (!dos_get_saved_screen (&s, &rows, &cols)) + return Qnil; + + for (i = 0; i < rows; i++) + { + for (j = 0; j < cols; j++) + { + insert_char (*s); + s += 2; + } + insert_char ('\n'); + } + + return Qt; +} +/* country info */ int dos_country_code; int dos_codepage; +int dos_timezone_offset; +int dos_decimal_point; +int dos_keyboard_layout; +unsigned char dos_country_info[DOS_COUNTRY_INFO]; +static unsigned char usa_country_info[DOS_COUNTRY_INFO] = { + 0, 0, /* date format */ + '$', 0, 0, 0, 0, /* currency string */ + ',', 0, /* thousands separator */ + '.', 0, /* decimal separator */ + '/', 0, /* date separator */ + ':', 0, /* time separator */ + 0, /* currency format */ + 2, /* digits after decimal in currency */ + 0, /* time format */ + 0, 0, 0, 0, /* address of case map routine, GPF if used */ + ' ', 0, /* data-list separator (?) */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* reserved */ +}; + +int dos_hyper_key; +int dos_super_key; +int dos_keypad_mode; + Lisp_Object Vdos_version; +Lisp_Object Vdos_display_scancodes; + +#ifndef HAVE_X_WINDOWS +static unsigned dos_windows_version; +Lisp_Object Vdos_windows_version; + +char parent_vm_title[50]; /* Ralf Brown says 30 is enough */ +int w95_set_virtual_machine_title (const char *); +void +restore_parent_vm_title (void) +{ + if (NILP (Vdos_windows_version)) + return; + if ((dos_windows_version & 0xff) >= 4 && parent_vm_title[0]) + w95_set_virtual_machine_title (parent_vm_title); + delay (50); +} +#endif /* !HAVE_X_WINDOWS */ + void init_dosfns () { union REGS regs; - _go32_dpmi_seginfo info; _go32_dpmi_registers dpmiregs; + unsigned long xbuf = _go32_info_block.linear_address_of_transfer_buffer; #ifndef SYSTEM_MALLOC get_lim_data (); /* why the hell isn't this called elsewhere? */ @@ -187,21 +300,25 @@ init_dosfns () intdos (®s, ®s); Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); - /* Obtain the country code by calling Dos via Dpmi. Don't rely on GO32. */ - info.size = (34 + 15) / 16; - if (_go32_dpmi_allocate_dos_memory (&info)) - dos_country_code = 1; + /* Obtain the country code via DPMI, use DJGPP transfer buffer. */ + dpmiregs.x.ax = 0x3800; + dpmiregs.x.ds = xbuf >> 4; + dpmiregs.x.dx = 0; + dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; + _go32_dpmi_simulate_int (0x21, &dpmiregs); + if (dpmiregs.x.flags & 1) + { + dos_country_code = 1; /* assume USA if 213800 failed */ + memcpy (dos_country_info, usa_country_info, DOS_COUNTRY_INFO); + } else { - dpmiregs.x.ax = 0x3800; - dpmiregs.x.ds = info.rm_segment; - dpmiregs.x.dx = 0; - dpmiregs.x.ss = dpmiregs.x.sp = 0; - _go32_dpmi_simulate_int (0x21, &dpmiregs); dos_country_code = dpmiregs.x.bx; - _go32_dpmi_free_dos_memory (&info); + dosmemget (xbuf, DOS_COUNTRY_INFO, dos_country_info); } + dos_set_keyboard (dos_country_code, 0); + regs.x.ax = 0x6601; intdos (®s, ®s); if (regs.x.cflag) @@ -218,20 +335,157 @@ init_dosfns () } else dos_codepage = regs.x.bx & 0xffff; + +#ifndef HAVE_X_WINDOWS + parent_vm_title[0] = '\0'; + + /* If we are running from DOS box on MS-Windows, get Windows version. */ + dpmiregs.x.ax = 0x1600; /* enhanced mode installation check */ + dpmiregs.x.ss = dpmiregs.x.sp = dpmiregs.x.flags = 0; + _go32_dpmi_simulate_int (0x2f, &dpmiregs); + /* We only support Windows-specific features when we run on Windows 9X + or on Windows 3.X/enhanced mode. + + Int 2Fh/AX=1600h returns: + + AL = 00: no Windows at all; + AL = 01: Windows/386 2.x; + AL = 80h: Windows 3.x in mode other than enhanced; + AL = FFh: Windows/386 2.x + + We also check AH > 0 (Windows 3.1 or later), in case AL tricks us. */ + if (dpmiregs.h.al > 2 && dpmiregs.h.al != 0x80 && dpmiregs.h.al != 0xff + && (dpmiregs.h.al > 3 || dpmiregs.h.ah > 0)) + { + dos_windows_version = dpmiregs.x.ax; + Vdos_windows_version = + Fcons (make_number (dpmiregs.h.al), make_number (dpmiregs.h.ah)); + + /* Save the current title of this virtual machine, so we can restore + it before exiting. Otherwise, Windows 95 will continue to use + the title we set even after we are history, stupido... */ + if (dpmiregs.h.al >= 4) + { + dpmiregs.x.ax = 0x168e; + dpmiregs.x.dx = 3; /* get VM title */ + dpmiregs.x.cx = sizeof(parent_vm_title) - 1; + dpmiregs.x.es = __tb >> 4; + dpmiregs.x.di = __tb & 15; + dpmiregs.x.sp = dpmiregs.x.ss = dpmiregs.x.flags = 0; + _go32_dpmi_simulate_int (0x2f, &dpmiregs); + if (dpmiregs.x.ax == 1) + dosmemget (__tb, sizeof(parent_vm_title), parent_vm_title); + } + } + else + { + dos_windows_version = 0; + Vdos_windows_version = Qnil; + } +#endif /* !HAVE_X_WINDOWS */ + +#if __DJGPP__ >= 2 + + /* Without this, we never see hidden files. + Don't OR it with the previous value, so the value recorded at dump + time, possibly with `preserve-case' flags set, won't get through. */ + __opendir_flags = __OPENDIR_FIND_HIDDEN; + +#if __DJGPP_MINOR__ == 0 + /* Under LFN, preserve the case of files as recorded in the directory + (in DJGPP 2.01 and later this is automagically done by the library). */ + if (!NILP (Fmsdos_long_file_names ())) + __opendir_flags |= __OPENDIR_PRESERVE_CASE; +#endif /* __DJGPP_MINOR__ == 0 */ +#endif /* __DJGPP__ >= 2 */ +} + +#ifndef HAVE_X_WINDOWS +/* Support for features that are available when we run in a DOS box + on MS-Windows. */ +int +ms_windows_version (void) +{ + return dos_windows_version; +} + +/* Set the title of the current virtual machine, to appear on + the caption bar of that machine's window. */ + +int +w95_set_virtual_machine_title (const char *title_string) +{ + /* Only Windows 9X (version 4 and higher) support this function. */ + if (!NILP (Vdos_windows_version) + && (dos_windows_version & 0xff) >= 4) + { + _go32_dpmi_registers regs; + dosmemput (title_string, strlen (title_string) + 1, __tb); + regs.x.ax = 0x168e; + regs.x.dx = 1; + regs.x.es = __tb >> 4; + regs.x.di = __tb & 15; + regs.x.sp = regs.x.ss = regs.x.flags = 0; + _go32_dpmi_simulate_int (0x2f, ®s); + return regs.x.ax == 1; + } + return 0; } + +/* Change the title of frame F to NAME. + If NAME is nil, use the frame name as the title. + + If Emacs is not run from a DOS box on Windows 9X, this only + sets the name in the frame struct, but has no other effects. */ + +void +x_set_title (f, name) + struct frame *f; + Lisp_Object name; +{ + /* Don't change the title if it's already NAME. */ + if (EQ (name, f->title)) + return; + + update_mode_lines = 1; + + f->title = name; + + if (NILP (name)) + name = f->name; + + if (FRAME_MSDOS_P (f)) + { + BLOCK_INPUT; + w95_set_virtual_machine_title (XSTRING (name)->data); + UNBLOCK_INPUT; + } +} +#endif /* !HAVE_X_WINDOWS */ +void +dos_cleanup (void) +{ +#ifndef HAVE_X_WINDOWS + restore_parent_vm_title (); +#endif +} + /* * Define everything */ syms_of_dosfns () { - defsubr (&Smode25); - defsubr (&Smode4350); defsubr (&Sint86); + defsubr (&Sdos_memget); + defsubr (&Sdos_memput); + defsubr (&Smsdos_mouse_init); + defsubr (&Smsdos_mouse_enable); + defsubr (&Smsdos_set_keyboard); + defsubr (&Sinsert_startup_screen); + defsubr (&Smsdos_mouse_disable); #ifndef HAVE_X_WINDOWS defsubr (&Smsdos_mouse_p); - defsubr (&Sset_mouse_position); - Qmsdos_color_translate = intern ("msdos-color-translate"); staticpro (&Qmsdos_color_translate); #endif @@ -241,7 +495,7 @@ syms_of_dosfns () Usually this is the international telephone prefix."); DEFVAR_INT ("dos-codepage", &dos_codepage, - "The codepage active when Emacs was started.\n\ + "The codepage active when Emacs was started.\n\ The following are known:\n\ 437 United States\n\ 850 Multilingual (Latin I)\n\ @@ -252,7 +506,67 @@ The following are known:\n\ 863 Canada (French)\n\ 865 Norway/Denmark"); + DEFVAR_INT ("dos-timezone-offset", &dos_timezone_offset, + "The current timezone offset to UTC in minutes. +Implicitly modified when the TZ variable is changed."); + DEFVAR_LISP ("dos-version", &Vdos_version, "The (MAJOR . MINOR) Dos version (subject to modification with setver)."); + +#ifndef HAVE_X_WINDOWS + DEFVAR_LISP ("dos-windows-version", &Vdos_windows_version, + "The (MAJOR . MINOR) Windows version for DOS session on MS-Windows."); +#endif + + DEFVAR_LISP ("dos-display-scancodes", &Vdos_display_scancodes, + "*When non-nil, the keyboard scan-codes are displayed at the bottom right\n\ +corner of the display (typically at the end of the mode line).\n\ +The output format is: scan code:char code*modifiers."); + Vdos_display_scancodes = Qnil; + + DEFVAR_INT ("dos-hyper-key", &dos_hyper_key, + "*If set to 1, use right ALT key as hyper key.\n\ +If set to 2, use right CTRL key as hyper key."); + dos_hyper_key = 0; + + DEFVAR_INT ("dos-super-key", &dos_super_key, + "*If set to 1, use right ALT key as super key.\n\ +If set to 2, use right CTRL key as super key."); + dos_super_key = 0; + + DEFVAR_INT ("dos-keypad-mode", &dos_keypad_mode, + "*Controls what key code is returned by a key in the numeric keypad.\n\ +The `numlock ON' action is only taken if no modifier keys are pressed.\n\ +The value is an integer constructed by adding the following bits together:\n\ + \n\ + 0x00 Digit key returns digit (if numlock ON)\n\ + 0x01 Digit key returns kp-digit (if numlock ON)\n\ + 0x02 Digit key returns M-digit (if numlock ON)\n\ + 0x03 Digit key returns edit key (if numlock ON)\n\ + \n\ + 0x00 Grey key returns char (if numlock ON)\n\ + 0x04 Grey key returns kp-key (if numlock ON)\n\ + \n\ + 0x00 Digit key returns digit (if numlock OFF)\n\ + 0x10 Digit key returns kp-digit (if numlock OFF)\n\ + 0x20 Digit key returns M-digit (if numlock OFF)\n\ + 0x30 Digit key returns edit key (if numlock OFF)\n\ + \n\ + 0x00 Grey key returns char (if numlock OFF)\n\ + 0x40 Grey key returns kp-key (if numlock OFF)\n\ + \n\ + 0x200 ALT-0..ALT-9 in top-row produces shifted codes."); + dos_keypad_mode = 0x75; + + DEFVAR_INT ("dos-keyboard-layout", &dos_keyboard_layout, + "Contains the country code for the current keyboard layout.\n\ +Use msdos-set-keyboard to select another keyboard layout."); + dos_keyboard_layout = 1; /* US */ + + DEFVAR_INT ("dos-decimal-point", &dos_decimal_point, + "If non-zero, it contains the character to be returned when the\n\ +decimal point key in the numeric keypad is pressed when Num Lock is on.\n\ +If zero, the decimal point key returns the country code specific value."); + dos_decimal_point = 0; } #endif /* MSDOS */