src/msdos.h

   1 /* MS-DOS specific C utilities, interface.
   2    Copyright (C) 1993 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 2, or (at your option)
   9 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; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef _MSDOS_H_
  22 #define _MSDOS_H_
  23
  24 #include <dpmi.h>
  25
  26 int dos_ttraw ();
  27 int dos_ttcooked ();
  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 ();
  37 void internal_terminal_init ();
  38 void ctrl_break_func (_go32_dpmi_registers *);
  39 void install_ctrl_break_check ();
  40
  41 extern int have_mouse;
  42 void mouse_init ();
  43 void mouse_on ();
  44 void mouse_off ();
  45 void mouse_moveto (int, int);
  46 \f
  47 #ifndef HAVE_X_WINDOWS
  48 /* Dummy types.  */
  49 typedef int XFontStruct;
  50 typedef int GC;
  51 typedef int Pixmap;
  52 typedef int Display;
  53 typedef int Window;
  54 typedef int XRectangle;
  55 #define PIX_TYPE int
  56 #define XDISPLAY
  57
  58 /* This is a cut-down version of the one in xterm.h, which see.  */
  59 struct x_output
  60 {
  61   int left_pos;                 /* used in xmenu_show (xmenu.c) */
  62   int top_pos;                  /* ditto */
  63   int line_height;              /* used in x-popup-menu (xmenu.c) */
  64   PIX_TYPE background_pixel;    /* used in xfaces.c and lots of other places */
  65   PIX_TYPE foreground_pixel;    /* ditto */
  66   XFontStruct *font;            /* used in x-popup-menu (xmenu.c) */
  67   Window busy_window;           /* currently unused (but maybe some day) */
  68   unsigned busy_p : 1;          /* ditto */
  69 };
  70
  71 extern struct x_output the_only_x_display;
  72
  73 #define FRAME_X_DISPLAY(f) ((Display *) 0)
  74 #define FRAME_FOREGROUND_PIXEL(f) (the_only_x_display.foreground_pixel)
  75 #define FRAME_BACKGROUND_PIXEL(f) (the_only_x_display.background_pixel)
  76 #define FRAME_FONT(f) (the_only_x_display.font)
  77
  78 /* Prototypes.  */
  79
  80 /* Forward declarations for prototypes.  */
  81 struct frame;
  82 struct window;
  83
  84 /* From xterm.c; emulated on msdos.c */
  85
  86 extern void pixel_to_glyph_coords P_ ((struct frame *f, int pix_x, int pix_y,
  87                                        int *x, int *y, XRectangle *bounds,
  88                                        int noclip));
  89 extern void glyph_to_pixel_coords P_ ((struct frame *f, int x, int y,
  90                                        int *pix_x, int *pix_y));
  91
  92 /* Defined in xfns.c; emulated on msdos.c */
  93
  94 extern int have_menus_p P_ ((void));
  95 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
  96 extern int x_pixel_width P_ ((struct frame *));
  97 extern int x_pixel_height P_ ((struct frame *));
  98
  99 #define XFreeGC (void)
 100 #define x_destroy_bitmap(p1,p2)
 101 #define load_pixmap(p1,p2,p3,p4) (0)
 102 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
 103 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->width)
 104 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->height)
 105 #define XMenuSetAEQ (void)
 106 #define XMenuSetFreeze (void)
 107 #define XMenuRecompute (void)
 108 #define FONT_WIDTH(foo) 1
 109 #define XM_FAILURE -1
 110 #define XM_SUCCESS 1
 111 #define XM_NO_SELECT 2
 112 #define XM_IA_SELECT 3
 113 #define ButtonReleaseMask 0
 114
 115 typedef struct x_menu_struct
 116 {
 117   int count;
 118   char **text;
 119   struct x_menu_struct **submenu;
 120   int *panenumber; /* Also used as enable.  */
 121   int allocated;
 122   int panecount;
 123   int width;
 124 } XMenu;
 125
 126 XMenu *XMenuCreate (Display *, Window, char *);
 127 int XMenuAddPane (Display *, XMenu *, char *, int);
 128 int XMenuAddSelection (Display *, XMenu *, int, int, char *, int);
 129 void XMenuLocate (Display *, XMenu *, int, int, int, int,
 130                   int *, int *, int *, int *);
 131 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned, char **);
 132 void XMenuDestroy (Display *, XMenu *);
 133
 134 #endif /* not HAVE_X_WINDOWS */
 135
 136 #endif /* not _MSDOS_H_ */