/* 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.
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 <config.h>
/* The entire file is within this conditional */
#include <stdio.h>
+#include <string.h>
#include <dos.h>
#include "lisp.h"
#include "buffer.h"
#include "termchar.h"
#include "termhooks.h"
#include "frame.h"
+#include "blockinput.h"
+#include "window.h"
#include "dosfns.h"
#include "msdos.h"
+#include "dispextern.h"
+#include <dpmi.h>
#include <go32.h>
+#include <dirent.h>
-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
- 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
- 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\
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 regs;
+ 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.")
- (addr, v)
- Lisp_Object addr, v;
+ (address, vector)
+ Lisp_Object address, vector;
{
register int i;
int offs, len;
char *buf;
Lisp_Object val;
- CHECK_NUMBER (addr, 0);
- offs = (unsigned long) XINT (addr);
- CHECK_VECTOR (v, 1);
- len = XVECTOR (v)-> size;
- if (len < 1 || len > 2048 || addr < 0 || addr > 0xfffff - len)
+ 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 (v)->contents[i] = make_number (buf[i]);
+ XVECTOR (vector)->contents[i] = make_number (buf[i]);
- return v;
+ return vector;
}
DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0,
"Write DOS memory at offset ADDRESS from VECTOR.")
- (addr, v)
- Lisp_Object addr, v;
+ (address, vector)
+ Lisp_Object address, vector;
{
register int i;
int offs, len;
char *buf;
Lisp_Object val;
- CHECK_NUMBER (addr, 0);
- offs = (unsigned long) XINT (addr);
- CHECK_VECTOR (v, 1);
- len = XVECTOR (v)-> size;
- if (len < 1 || len > 2048 || addr < 0 || addr > 0xfffff - len)
+ 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 (v)->contents[i], 1);
- buf[i] = (unsigned char) XFASTINT (XVECTOR (v)->contents[i]) & 0xFF;
+ CHECK_NUMBER (XVECTOR (vector)->contents[i], 1);
+ buf[i] = (unsigned char) XFASTINT (XVECTOR (vector)->contents[i]) & 0xFF;
}
dosmemput (buf, len, offs);
}
DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0,
- "Set keyboard layout according to COUNTRY.\n\
+ "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.")
else
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));
- return Qnil;
-}
-
-/* Function to translate colour names to integers. See lisp/term/pc-win.el
- for its definition. */
-
-Lisp_Object Qmsdos_color_translate;
#endif
{
for (j = 0; j < cols; j++)
{
- insert_char (*s, 1);
+ insert_char (*s);
s += 2;
}
- insert_char ('\n', 1);
+ insert_char ('\n');
}
return Qt;
}
-
\f
/* country info */
int dos_country_code;
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;
Lisp_Object Vdos_version;
Lisp_Object Vdos_display_scancodes;
-Lisp_Object Vdos_menubar_clock;
-Lisp_Object Vdos_timer_hooks;
+
+#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? */
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 = (sizeof(dos_country_info) + 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;
- dosmemget (info.rm_segment * 16, DOS_COUNTRY_INFO, dos_country_info);
- _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;
}
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 */
}
\f
+#ifndef HAVE_X_WINDOWS
+
+/* Emulation of some X window features from xfns.c and xfaces.c. */
+
+/* Standard VGA colors, in the order of their standard numbering
+ in the default VGA palette. */
+static char *vga_colors[16] = {
+ "black", "blue", "green", "cyan", "red", "magenta", "brown",
+ "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan",
+ "lightred", "lightmagenta", "yellow", "white"
+};
+
+extern char unspecified_fg[], unspecified_bg[];
+
+/* Given a color name, return its index, or -1 if not found. Note
+ that this only performs case-insensitive comparison against the
+ standard names. For anything more sophisticated, like matching
+ "gray" with "grey" or translating X color names into their MSDOS
+ equivalents, call the Lisp function Qtty_color_desc (defined
+ on lisp/term/tty-colors.el). */
+int
+msdos_stdcolor_idx (const char *name)
+{
+ int i;
+
+ for (i = 0; i < sizeof (vga_colors) / sizeof (vga_colors[0]); i++)
+ if (strcasecmp (name, vga_colors[i]) == 0)
+ return i;
+
+ return
+ strcmp (name, unspecified_fg) == 0 ? FACE_TTY_DEFAULT_FG_COLOR
+ : strcmp (name, unspecified_bg) == 0 ? FACE_TTY_DEFAULT_BG_COLOR
+ : FACE_TTY_DEFAULT_COLOR;
+}
+
+/* Given a color index, return its standard name. */
+Lisp_Object
+msdos_stdcolor_name (int idx)
+{
+ extern Lisp_Object Qunspecified;
+
+ if (idx == FACE_TTY_DEFAULT_FG_COLOR)
+ return build_string (unspecified_fg);
+ else if (idx == FACE_TTY_DEFAULT_BG_COLOR)
+ return build_string (unspecified_bg);
+ else if (idx >= 0 && idx < sizeof (vga_colors) / sizeof (vga_colors[0]))
+ return build_string (vga_colors[idx]);
+ else
+ return Qunspecified; /* meaning the default */
+}
+
+/* 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 */
+\f
+void
+dos_cleanup (void)
+{
+#ifndef HAVE_X_WINDOWS
+ restore_parent_vm_title ();
+#endif
+ /* Make sure the termscript file is committed, in case we are
+ crashing and some vital info was written there. */
+ if (termscript)
+ {
+ fflush (termscript);
+ fsync (fileno (termscript));
+ }
+}
+
/*
* Define everything
*/
syms_of_dosfns ()
{
- defsubr (&Smode25);
- defsubr (&Smode4350);
defsubr (&Sint86);
defsubr (&Sdos_memget);
defsubr (&Sdos_memput);
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
DEFVAR_INT ("dos-country-code", &dos_country_code,
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_LISP ("dos-menubar-clock", &Vdos_menubar_clock,
- "*When non-nil, the current time is displayed in the upper right\n\
-corner of the screen (typically at the end of the menu bar).");
- Vdos_menubar_clock = Qt;
-
- DEFVAR_LISP ("dos-timer-hooks", &Vdos_timer_hooks,
- "List of hooks which are run every second.");
- Vdos_timer_hooks = 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.");
HCoop / bpt / emacs.git / blobdiff