src/msdos.h

   1 /* MS-DOS specific C utilities, interface.
   2    Copyright (C) 1993, 2001 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 EMACS_MSDOS_H
  22 #define EMACS_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   /* Nonzero means that the mouse highlight should not be shown.  */
  85   int mouse_face_hidden;
  86 };
  87
  88 typedef struct display_info Display_Info;
  89
  90 /* This is a cut-down version of the one in xterm.h, which see.  */
  91 struct x_output
  92 {
  93   PIX_TYPE background_pixel;    /* used in xfaces.c and lots of other places */
  94   PIX_TYPE foreground_pixel;    /* ditto */
  95   XFontStruct *font;            /* used in x-popup-menu (xmenu.c) */
  96   Window hourglass_window;      /* currently unused (but maybe some day) */
  97   unsigned hourglass_p : 1;     /* ditto */
  98   struct display_info display_info; /* used for drawing mouse highlight */
  99 };
 100
 101 extern struct x_output the_only_x_display;
 102
 103 #define FRAME_X_DISPLAY(f) ((Display *) 0)
 104 #define FRAME_FOREGROUND_PIXEL(f) (the_only_x_display.foreground_pixel)
 105 #define FRAME_BACKGROUND_PIXEL(f) (the_only_x_display.background_pixel)
 106 #define FRAME_FONT(f) (the_only_x_display.font)
 107 #define FRAME_X_DISPLAY_INFO(f) (&the_only_x_display.display_info)
 108
 109 /* Prototypes.  */
 110
 111 /* Forward declarations for prototypes.  */
 112 struct frame;
 113 struct window;
 114
 115 /* Defined in xfns.c; emulated on msdos.c */
 116
 117 extern int have_menus_p P_ ((void));
 118 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 119 extern int x_pixel_width P_ ((struct frame *));
 120 extern int x_pixel_height P_ ((struct frame *));
 121
 122 #define XFreeGC (void)
 123 #define x_destroy_bitmap(p1,p2)
 124 #define load_pixmap(p1,p2,p3,p4) (0)
 125 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
 126 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->text_cols)
 127 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->text_lines)
 128 #define XMenuSetAEQ (void)
 129 #define XMenuSetFreeze (void)
 130 #define XMenuRecompute (void)
 131 #define FONT_WIDTH(foo) 1
 132 #define XM_FAILURE -1
 133 #define XM_SUCCESS 1
 134 #define XM_NO_SELECT 2
 135 #define XM_IA_SELECT 3
 136 #define ButtonReleaseMask 0
 137
 138 typedef struct x_menu_struct
 139 {
 140   int count;
 141   char **text;
 142   struct x_menu_struct **submenu;
 143   int *panenumber; /* Also used as enable.  */
 144   int allocated;
 145   int panecount;
 146   int width;
 147   char **help_text;
 148 } XMenu;
 149
 150 XMenu *XMenuCreate (Display *, Window, char *);
 151 int XMenuAddPane (Display *, XMenu *, char *, int);
 152 int XMenuAddSelection (Display *, XMenu *, int, int, char *, int, char *);
 153 void XMenuLocate (Display *, XMenu *, int, int, int, int,
 154                   int *, int *, int *, int *);
 155 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned,
 156                    char **, void (*callback)(char *, int, int));
 157 void XMenuDestroy (Display *, XMenu *);
 158
 159 #endif /* not HAVE_X_WINDOWS */
 160
 161 #endif /* not EMACS_MSDOS_H */