code.delx.au - gnu-emacs/blob - src/msdos.h

   1 /* MS-DOS specific C utilities, interface.
   2    Copyright (C) 1993, 2001-2016 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or (at
   9 your option) any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef EMACS_MSDOS_H
  20 #define EMACS_MSDOS_H
  21
  22 #include <dpmi.h>
  23
  24 int dos_ttraw (struct tty_display_info *);
  25 int dos_ttcooked (void);
  26 int dos_get_saved_screen (char **, int *, int *);
  27 int dos_set_keyboard (int, int);
  28 void dos_set_window_size (int *, int *);
  29
  30 int getdefdir (int, char*);
  31 void unixtodos_filename (char *);
  32 void dostounix_filename (char *);
  33 char *rootrelativepath (char *);
  34 void init_environment (int, char **, int);
  35 void internal_terminal_init (void);
  36 void initialize_msdos_display (struct terminal *);
  37
  38 extern int have_mouse;
  39 void mouse_init (void);
  40 void mouse_on (void);
  41 void mouse_off (void);
  42 void mouse_moveto (int, int);
  43
  44 #include <sys/types.h>
  45 #include <sys/stat.h>
  46
  47 #if __DJGPP__ == 2 && __DJGPP_MINOR__ < 4
  48 int readlink (const char *, char *, size_t);
  49 #endif
  50 ssize_t readlinkat (int, const char *, char *, size_t);
  51 int fstatat (int, char const *, struct stat *, int);
  52 int unsetenv (const char *);
  53
  54 /* Constants.  */
  55 #define EINPROGRESS 112
  56 /* Gnulib sets O_CLOEXEC to O_NOINHERIT, which gets in the way when we
  57    need to redirect standard handles for subprocesses using temporary
  58    files created by mkostemp, see callproc.c.  */
  59 #ifdef O_CLOEXEC
  60 # undef O_CLOEXEC
  61 #endif
  62 #define O_CLOEXEC 0
  63
  64 \f
  65 #ifndef HAVE_X_WINDOWS
  66 /* Dummy types.  */
  67 typedef int XFontStruct;
  68 typedef int GC;
  69 typedef int Pixmap;
  70 typedef int Display;
  71 typedef int Window;
  72 typedef int XRectangle;
  73 #define PIX_TYPE unsigned long
  74 #define XDISPLAY
  75
  76 typedef struct tty_display_info Display_Info;
  77
  78 extern struct tty_display_info the_only_display_info;
  79
  80 #define FRAME_X_DISPLAY(f) ((Display *) 0)
  81 #define FRAME_FONT(f) ((f)->output_data.tty->font)
  82 #define FRAME_DISPLAY_INFO(f) (&the_only_display_info)
  83
  84 /* Prototypes.  */
  85
  86 /* Forward declarations for prototypes.  */
  87 struct frame;
  88 struct window;
  89
  90 /* Defined in xfns.c; emulated on msdos.c */
  91
  92 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
  93
  94 #define XFreeGC (void)
  95 #define x_destroy_bitmap(p1,p2)
  96 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
  97 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->text_cols)
  98 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->text_lines)
  99 #define XMenuSetAEQ (void)
 100 #define XMenuSetFreeze (void)
 101 #define XMenuRecompute (void)
 102 #define XM_FAILURE -1
 103 #define XM_SUCCESS 1
 104 #define XM_NO_SELECT 2
 105 #define XM_IA_SELECT 3
 106 #define ButtonReleaseMask 0
 107
 108 typedef struct x_menu_struct
 109 {
 110   int count;
 111   char **text;
 112   struct x_menu_struct **submenu;
 113   int *panenumber; /* Also used as enable.  */
 114   int allocated;
 115   int panecount;
 116   int width;
 117   const char **help_text;
 118 } XMenu;
 119
 120 XMenu *XMenuCreate (Display *, Window, char *);
 121 int XMenuAddPane (Display *, XMenu *, char const *, int);
 122 int XMenuAddSelection (Display *, XMenu *, int, int, char *, int, char const *);
 123 void XMenuLocate (Display *, XMenu *, int, int, int, int,
 124                   int *, int *, int *, int *);
 125 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned,
 126                    char **, void (*callback)(char const *, int, int));
 127 void XMenuDestroy (Display *, XMenu *);
 128
 129 #endif /* not HAVE_X_WINDOWS */
 130
 131 #endif /* not EMACS_MSDOS_H */