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with Xlbt_Arithmetic;  
use Xlbt_Arithmetic;  
with Xlbt_Basic;  
use Xlbt_Basic;  
with Xlbt_Key;  
use Xlbt_Key;  
with Xlbt_Keyboard;  
use Xlbt_Keyboard;

package Xlbp_Keyboard_Encoding is
------------------------------------------------------------------------------
-- X Library Keyboard Encoding
--
-- Xlbp_Keyboard_Encoding - Control over which key means what.
------------------------------------------------------------------------------
-- Copyright 1989 - 1991 by Rational, Santa Clara, California.
-- Copyright 1985 - 1989 by the Massachusetts Institute of Technology
--
--                  All Rights Reserved.
--
-- Permission to use, copy, modify, and distribute this software and its
-- documentation for any purpose and without fee is hereby granted,
-- provided that the above copyright notice(s) appear in all copies and that
-- both that copyright notice(s) and this permission notice appear in
-- supporting documentation, and that the names of MIT or Rational not be
-- used in advertising or publicity pertaining to distribution of the software
-- without specific, written prior permission.
--
-- MIT and Rational disclaim all warranties with regard to this software,
-- including all implied warranties of merchantability and fitness, in no
-- event shall MIT or Rational be liable for any special, indirect or
-- consequential damages or any damages whatsoever resulting from loss of use,
-- data or profits, whether in an action of contract, negligence or other
-- tortious action, arising out of or in connection with the use or performance
-- of this software.
------------------------------------------------------------------------------

--\f

    procedure X_Change_Keyboard_Mapping (Display : X_Display;  
                                         Mapping : X_Key_Sym_Array_2d);
------------------------------------------------------------------------------
--  Display - Specifies the display to use.
--  Mapping - Specifies the new mapping.
--
-- Changes the symbols for the specified key codes and modifiers.  Mapping
-- has two dimensions.  The first dimension is by key code.  The second
-- dimension is by key modifier.
------------------------------------------------------------------------------

    procedure X_Delete_Modifier_Map_Entry (Map      : in out X_Modifier_Keymap;  
                                           Key_Code :        X_Key_Code;  
                                           Modifier :        X_Key_Modifier);
------------------------------------------------------------------------------
--  Map       - Specifies the map to modify.
--  Key_Code  - Specifies the key code.
--  Modifier  - Specifies the modifier.
--
-- Removes the specified key code from the set that controls the specified
-- modifier.
------------------------------------------------------------------------------

    procedure X_Display_Key_Codes (Display      :     X_Display;  
                                   Min_Key_Code : out X_Key_Code;  
                                   Max_Key_Code : out X_Key_Code);
------------------------------------------------------------------------------
--  Display         - Specifies the display to use
--  Min_Key_Code    - Receives the minimum key code for this keyboard
--  Max_Key_Code    - Receives the maximum key code for this keyboard
--
-- Called to obtain the min/max key codes that can be generated by the
-- keyboard attached to this connection.
------------------------------------------------------------------------------

    procedure X_Free_Modifier_Map (Map : in out X_Modifier_Keymap)  
        renames Free_X_Modifier_Keymap;
------------------------------------------------------------------------------
--  Map - The map to free.
--
-- Frees the storage taken up by the keymap.
------------------------------------------------------------------------------

    function X_Get_Keyboard_Mapping  
                (Display        : X_Display;  
                 First_Key_Code : X_Key_Code;  
                 Last_Key_Code  : X_Key_Code) return X_Key_Sym_List_2d;
------------------------------------------------------------------------------
--  Display         - Specifies the display to use.
--  First_Key_Code  - Specifies the first key code to be returned.
--  Last_Key_Code   - Specifies the last key code to be returned.
--
-- Returns the symbols for the specified number of key codes.  The value
-- specified for First_Key_Code must be greater than or equal to the
-- Min_Key_Code as recorded in the X_Display.  The return value has two
-- dimensions.  The first dimension is by key code.  The second dimension
-- is by key modifier.
--
-- Free the mapping after use with the Free_X_Key_Sym_List_2d routine.
------------------------------------------------------------------------------

    function X_Get_Modifier_Mapping  
                (Display : X_Display) return X_Modifier_Keymap;
------------------------------------------------------------------------------
--  Display - Specifies the display to use.
--
-- Returns a newly created X_Modifier_Keymap that contains the keys being
-- used as modifiers.  The structure should be freed after use with
-- X_Free_Modifier_Map.
------------------------------------------------------------------------------

    procedure X_Insert_Modifier_Map_Entry (Map      : in out X_Modifier_Keymap;  
                                           Key_Code :        X_Key_Code;  
                                           Modifier :        X_Key_Modifier);
------------------------------------------------------------------------------
--  Map       - Specifies the map to modify.
--  Key_Code  - Specifies the key code.
--  Modifier  - Specifies the modifier.
--
-- Adds the specified key code to the set that controls the specified
-- modifier.
------------------------------------------------------------------------------

    function X_New_Modifier_Map  
                (Keys_Per_Modifier : U_Char) return X_Modifier_Keymap;
------------------------------------------------------------------------------
--  Keys_Per_Modifier   - Specifies the maximum number of key codes assigned to
--                        any of the modifiers in the map.
--
-- Creates a new X_Modifier_Keymap structure.
------------------------------------------------------------------------------

    function X_Set_Modifier_Mapping  
                (Display      : X_Display;  
                 Modifier_Map : X_Modifier_Keymap) return X_Mapping_Status;
------------------------------------------------------------------------------
--  Display       - Specifies the display to use.
--  Modifier_Map  - Specifies the map to set.
--
-- Sets the key codes of the keys, if any, that are to be used as modifiers.
-- A None_X_Modifier_Map value indicates that no key is to be used.  No two key
-- codes can have the same numeric value.
------------------------------------------------------------------------------

end Xlbp_Keyboard_Encoding;