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 /* This is a cut-down version of the one in xterm.h, which see.  */
  89 struct x_output
  90 {
  91   int left_pos;                 /* used in xmenu_show (xmenu.c) */
  92   int top_pos;                  /* ditto */
  93   int line_height;              /* used in x-popup-menu (xmenu.c) */
  94   PIX_TYPE background_pixel;    /* used in xfaces.c and lots of other places */
  95   PIX_TYPE foreground_pixel;    /* ditto */
  96   XFontStruct *font;            /* used in x-popup-menu (xmenu.c) */
  97   Window hourglass_window;      /* currently unused (but maybe some day) */
  98   unsigned hourglass_p : 1;     /* ditto */
  99   struct display_info display_info; /* used for drawing mouse highlight */
 100 };
 101
 102 extern struct x_output the_only_x_display;
 103
 104 #define FRAME_X_DISPLAY(f) ((Display *) 0)
 105 #define FRAME_FOREGROUND_PIXEL(f) (the_only_x_display.foreground_pixel)
 106 #define FRAME_BACKGROUND_PIXEL(f) (the_only_x_display.background_pixel)
 107 #define FRAME_FONT(f) (the_only_x_display.font)
 108 #define FRAME_X_DISPLAY_INFO(f) (&the_only_x_display.display_info)
 109 #define FRAME_LINE_HEIGHT(f) (the_only_x_display.line_height)
 110
 111 #define FRAME_INTERNAL_BORDER_WIDTH(f) (0)
 112
 113 /* Prototypes.  */
 114
 115 /* Forward declarations for prototypes.  */
 116 struct frame;
 117 struct window;
 118
 119 /* From xterm.c; emulated on msdos.c */
 120
 121 extern void pixel_to_glyph_coords P_ ((struct frame *f, int pix_x, int pix_y,
 122                                        int *x, int *y, XRectangle *bounds,
 123                                        int noclip));
 124 extern void glyph_to_pixel_coords P_ ((struct frame *f, int x, int y,
 125                                        int *pix_x, int *pix_y));
 126
 127 /* Defined in xfns.c; emulated on msdos.c */
 128
 129 extern int have_menus_p P_ ((void));
 130 extern void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
 131 extern int x_pixel_width P_ ((struct frame *));
 132 extern int x_pixel_height P_ ((struct frame *));
 133
 134 #define XFreeGC (void)
 135 #define x_destroy_bitmap(p1,p2)
 136 #define load_pixmap(p1,p2,p3,p4) (0)
 137 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
 138 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->width)
 139 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->height)
 140 #define XMenuSetAEQ (void)
 141 #define XMenuSetFreeze (void)
 142 #define XMenuRecompute (void)
 143 #define FONT_WIDTH(foo) 1
 144 #define XM_FAILURE -1
 145 #define XM_SUCCESS 1
 146 #define XM_NO_SELECT 2
 147 #define XM_IA_SELECT 3
 148 #define ButtonReleaseMask 0
 149
 150 typedef struct x_menu_struct
 151 {
 152   int count;
 153   char **text;
 154   struct x_menu_struct **submenu;
 155   int *panenumber; /* Also used as enable.  */
 156   int allocated;
 157   int panecount;
 158   int width;
 159   char **help_text;
 160 } XMenu;
 161
 162 XMenu *XMenuCreate (Display *, Window, char *);
 163 int XMenuAddPane (Display *, XMenu *, char *, int);
 164 int XMenuAddSelection (Display *, XMenu *, int, int, char *, int, char *);
 165 void XMenuLocate (Display *, XMenu *, int, int, int, int,
 166                   int *, int *, int *, int *);
 167 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned,
 168                    char **, void (*callback)(char *, int, int));
 169 void XMenuDestroy (Display *, XMenu *);
 170
 171 #endif /* not HAVE_X_WINDOWS */
 172
 173 #endif /* not EMACS_MSDOS_H */