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 /* A stripped version of struct x_display_info in xterm.h, which see.  */
  59 struct display_info
  60 {
  61   /* These variables describe the range of text currently shown in its
  62      mouse-face, together with the window they apply to.  As long as
  63      the mouse stays within this range, we need not redraw anything on
  64      its account.  Rows and columns are glyph matrix positions in
  65      MOUSE_FACE_WINDOW.  */
  66   int mouse_face_beg_row, mouse_face_beg_col;
  67   int mouse_face_end_row, mouse_face_end_col;
  68   int mouse_face_past_end;
  69   Lisp_Object mouse_face_window;
  70   int mouse_face_face_id;
  71
  72   /* 1 if a mouse motion event came and we didn't handle it right away because
  73      gc was in progress.  */
  74   int mouse_face_deferred_gc;
  75
  76   /* FRAME and X, Y position of mouse when last checked for
  77      highlighting.  X and Y can be negative or out of range for the frame.  */
  78   struct frame *mouse_face_mouse_frame;
  79   int mouse_face_mouse_x, mouse_face_mouse_y;
  80
  81   /* Nonzero means defer mouse-motion highlighting.  */
  82   int mouse_face_defer;
  83 };
  84
  85 /* This is a cut-down version of the one in xterm.h, which see.  */
  86 struct x_output
  87 {
  88   int left_pos;                 /* used in xmenu_show (xmenu.c) */
  89   int top_pos;                  /* ditto */
  90   int line_height;              /* used in x-popup-menu (xmenu.c) */
  91   PIX_TYPE background_pixel;    /* used in xfaces.c and lots of other places */
  92   PIX_TYPE foreground_pixel;    /* ditto */
  93   XFontStruct *font;            /* used in x-popup-menu (xmenu.c) */
  94   Window busy_window;           /* currently unused (but maybe some day) */
  95   unsigned busy_p : 1;          /* ditto */
  96   struct display_info display_info; /* used for drawing mouse highlight */
  97 };
  98
  99 extern struct x_output the_only_x_display;
 100
 101 #define FRAME_X_DISPLAY(f) ((Display *) 0)
 102 #define FRAME_FOREGROUND_PIXEL(f) (the_only_x_display.foreground_pixel)
 103 #define FRAME_BACKGROUND_PIXEL(f) (the_only_x_display.background_pixel)
 104 #define FRAME_FONT(f) (the_only_x_display.font)
 105 #define FRAME_X_DISPLAY_INFO(f) (&the_only_x_display.display_info)
 106
 107 /* Prototypes.  */
 108
 109 /* Forward declarations for prototypes.  */
 110 struct frame;
 111 struct window;
 112
 113 /* From xterm.c; emulated on msdos.c */
 114
 115 extern void pixel_to_glyph_coords P_ ((struct frame *f, int pix_x, int pix_y,
 116                                        int *x, int *y, XRectangle *bounds,
 117                                        int noclip));
 118 extern void glyph_to_pixel_coords P_ ((struct frame *f, int x, int y,
 119                                        int *pix_x, int *pix_y));
 120
 121 /* Defined in xfns.c; emulated on msdos.c */
 122
 123 extern int have_menus_p P_ ((void));
 124 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 125 extern int x_pixel_width P_ ((struct frame *));
 126 extern int x_pixel_height P_ ((struct frame *));
 127
 128 #define XFreeGC (void)
 129 #define x_destroy_bitmap(p1,p2)
 130 #define load_pixmap(p1,p2,p3,p4) (0)
 131 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
 132 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->width)
 133 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->height)
 134 #define XMenuSetAEQ (void)
 135 #define XMenuSetFreeze (void)
 136 #define XMenuRecompute (void)
 137 #define FONT_WIDTH(foo) 1
 138 #define XM_FAILURE -1
 139 #define XM_SUCCESS 1
 140 #define XM_NO_SELECT 2
 141 #define XM_IA_SELECT 3
 142 #define ButtonReleaseMask 0
 143
 144 typedef struct x_menu_struct
 145 {
 146   int count;
 147   char **text;
 148   struct x_menu_struct **submenu;
 149   int *panenumber; /* Also used as enable.  */
 150   int allocated;
 151   int panecount;
 152   int width;
 153   char **help_text;
 154 } XMenu;
 155
 156 XMenu *XMenuCreate (Display *, Window, char *);
 157 int XMenuAddPane (Display *, XMenu *, char *, int);
 158 int XMenuAddSelection (Display *, XMenu *, int, int, char *, int, char *);
 159 void XMenuLocate (Display *, XMenu *, int, int, int, int,
 160                   int *, int *, int *, int *);
 161 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned,
 162                    char **, void (*callback)(char *));
 163 void XMenuDestroy (Display *, XMenu *);
 164
 165 #endif /* not HAVE_X_WINDOWS */
 166
 167 #endif /* not _MSDOS_H_ */