src/msdos.h

   1 /* MS-DOS specific C utilities, interface.
   2    Copyright (C) 1993, 2001-2018 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 <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef EMACS_MSDOS_H
  20 #define EMACS_MSDOS_H
  21
  22 #include <dpmi.h>
  23
  24 #include "termhooks.h"          /* struct terminal */
  25
  26 int dos_ttraw (struct tty_display_info *);
  27 int dos_ttcooked (void);
  28 int dos_get_saved_screen (char **, int *, int *);
  29 int dos_set_keyboard (int, int);
  30 void dos_set_window_size (int *, int *);
  31
  32 int getdefdir (int, char*);
  33 void unixtodos_filename (char *);
  34 void dostounix_filename (char *);
  35 char *rootrelativepath (char *);
  36 void init_environment (int, char **, int);
  37 void internal_terminal_init (void);
  38 void initialize_msdos_display (struct terminal *);
  39
  40 extern int have_mouse;
  41 void mouse_init (void);
  42 void mouse_on (void);
  43 void mouse_off (void);
  44 void mouse_moveto (int, int);
  45
  46 void IT_set_frame_parameters (struct frame *, Lisp_Object);
  47
  48 #include <sys/types.h>
  49 #include <sys/stat.h>
  50 #include <pc.h>
  51 #include <signal.h>
  52
  53 #if __DJGPP__ == 2 && __DJGPP_MINOR__ < 4
  54 int readlink (const char *, char *, size_t);
  55 #endif
  56 ssize_t readlinkat (int, const char *, char *, size_t);
  57 int fstatat (int, char const *, struct stat *, int);
  58 int unsetenv (const char *);
  59 int faccessat (int, const char *, int, int);
  60 void msdos_fatal_signal (int);
  61 void syms_of_msdos (void);
  62 int pthread_sigmask (int, const sigset_t *, sigset_t *);
  63 int dos_keysns (void);
  64 int dos_keyread (void);
  65 int run_msdos_command (char **, const char *, int, int, int, char **);
  66
  67 void syms_of_win16select (void);
  68
  69
  70 /* Constants.  */
  71 #define EINPROGRESS 112
  72 #define ENOTSUP     ENOSYS
  73 /* Gnulib sets O_CLOEXEC to O_NOINHERIT, which gets in the way when we
  74    need to redirect standard handles for subprocesses using temporary
  75    files created by mkostemp, see callproc.c.  */
  76 #ifdef O_CLOEXEC
  77 # undef O_CLOEXEC
  78 #endif
  79 #define O_CLOEXEC 0
  80
  81 \f
  82 #ifndef HAVE_X_WINDOWS
  83 /* Dummy types.  */
  84 typedef int XFontStruct;
  85 typedef int GC;
  86 typedef int Pixmap;
  87 typedef int Display;
  88 typedef int Window;
  89 typedef int XRectangle;
  90 #define PIX_TYPE unsigned long
  91 #define XDISPLAY
  92
  93 typedef struct tty_display_info Display_Info;
  94
  95 extern struct tty_display_info the_only_display_info;
  96
  97 #define FRAME_X_DISPLAY(f) ((Display *) 0)
  98 #define FRAME_FONT(f) ((f)->output_data.tty->font)
  99 #define FRAME_DISPLAY_INFO(f) (&the_only_display_info)
 100
 101 /* Prototypes.  */
 102
 103 /* Forward declarations for prototypes.  */
 104 struct frame;
 105 struct window;
 106
 107 /* Defined in xfns.c; emulated on msdos.c */
 108
 109 extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 110
 111 #define XFreeGC (void)
 112 #define x_destroy_bitmap(p1,p2)
 113 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
 114 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->text_cols)
 115 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->text_lines)
 116 #define XMenuSetAEQ (void)
 117 #define XMenuSetFreeze (void)
 118 #define XMenuRecompute (void)
 119 #define XM_FAILURE -1
 120 #define XM_SUCCESS 1
 121 #define XM_NO_SELECT 2
 122 #define XM_IA_SELECT 3
 123 #define ButtonReleaseMask 0
 124
 125 typedef struct x_menu_struct
 126 {
 127   int count;
 128   char **text;
 129   struct x_menu_struct **submenu;
 130   int *panenumber; /* Also used as enable.  */
 131   int allocated;
 132   int panecount;
 133   int width;
 134   const char **help_text;
 135 } XMenu;
 136
 137 XMenu *XMenuCreate (Display *, Window, char *);
 138 int XMenuAddPane (Display *, XMenu *, char const *, int);
 139 int XMenuAddSelection (Display *, XMenu *, int, int, char *, int, char const *);
 140 void XMenuLocate (Display *, XMenu *, int, int, int, int,
 141                   int *, int *, int *, int *);
 142 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned,
 143                    char **, void (*callback)(char const *, int, int));
 144 void XMenuDestroy (Display *, XMenu *);
 145
 146 #endif /* not HAVE_X_WINDOWS */
 147
 148 #endif /* not EMACS_MSDOS_H */