# File : terminal_interface-curses-aux.ads

    ------------------------------------------------------------------------------
    --                                                                          --
    --                           GNAT ncurses Binding                           --
    --                                                                          --
    --                       Terminal_Interface.Curses.Aux                      --
    --                                                                          --
    --                                 S P E C                                  --
    --                                                                          --
    ------------------------------------------------------------------------------
    -- Copyright (c) 1998 Free Software Foundation, Inc.                        --
    --                                                                          --
    -- Permission is hereby granted, free of charge, to any person obtaining a  --
    -- copy of this software and associated documentation files (the            --
    -- "Software"), to deal in the Software without restriction, including      --
    -- without limitation the rights to use, copy, modify, merge, publish,      --
    -- distribute, distribute with modifications, sublicense, and/or sell       --
    -- copies of the Software, and to permit persons to whom the Software is    --
    -- furnished to do so, subject to the following conditions:                 --
    --                                                                          --
    -- The above copyright notice and this permission notice shall be included  --
    -- in all copies or substantial portions of the Software.                   --
    --                                                                          --
    -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --
    -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --
    -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --
    -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --
    -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --
    -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --
    -- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --
    --                                                                          --
    -- Except as contained in this notice, the name(s) of the above copyright   --
    -- holders shall not be used in advertising or otherwise to promote the     --
    -- sale, use or other dealings in this Software without prior written       --
    -- authorization.                                                           --
    ------------------------------------------------------------------------------
    --  Author:  Juergen Pfeifer, 1996
    --  Version Control:
    --  @Revision: 1.16 @
    --  Binding Version 01.00
    ------------------------------------------------------------------------------
    --  curses binding.
    --  This module is generated. Please don't change it manually!
    --  Run the generator instead.
    --  |
    with System;
    with Interfaces.C;
    with Interfaces.C.Strings; use Interfaces.C.Strings;
    with Unchecked_Conversion;

    package Terminal_Interface.Curses.Aux is
       pragma Preelaborate (Terminal_Interface.Curses.Aux);

       use type Interfaces.C.int;

       subtype C_Int      is Interfaces.C.int;
       subtype C_Short    is Interfaces.C.short;
       subtype C_Long_Int is Interfaces.C.long;
       subtype C_Size_T   is Interfaces.C.size_t;
       subtype C_UInt     is Interfaces.C.unsigned;
       subtype C_ULong    is Interfaces.C.unsigned_long;
       subtype C_Char_Ptr is Interfaces.C.Strings.chars_ptr;
       type    C_Void_Ptr is new System.Address;
       type    C_Chtype   is new C_ULong;
       type    C_AttrType is new C_ULong;

       --  This is how those constants are defined in ncurses. I see them also
       --  exactly like this in all ETI implementations I ever tested. So it
       --  could be that this is quite general, but please check with your curses.
       --  This is critical, because curses sometime mixes boolean returns with
       --  returning an error status.
       Curses_Ok    : constant C_Int := 0;
       Curses_Err   : constant C_Int := -1;

       Curses_True  : constant C_Int := 1;
       Curses_False : constant C_Int := 0;

       --  Eti_Error: type for error codes returned by the menu and form subsystem
       subtype Eti_Error is C_Int range -14 .. 0;

       E_Ok               : constant Eti_Error := 0;
       E_System_Error     : constant Eti_Error := -1;
       E_Bad_Argument     : constant Eti_Error := -2;
       E_Posted           : constant Eti_Error := -3;
       E_Connected        : constant Eti_Error := -4;
       E_Bad_State        : constant Eti_Error := -5;
       E_No_Room          : constant Eti_Error := -6;
       E_Not_Posted       : constant Eti_Error := -7;
       E_Unknown_Command  : constant Eti_Error := -8;
       E_No_Match         : constant Eti_Error := -9;
       E_Not_Selectable   : constant Eti_Error := -10;
       E_Not_Connected    : constant Eti_Error := -11;
       E_Request_Denied   : constant Eti_Error := -12;
       E_Invalid_Field    : constant Eti_Error := -13;
       E_Current          : constant Eti_Error := -14;

       procedure Eti_Exception (Code : Eti_Error);
       --  Dispatch the error code and raise the appropriate exception
       --
       --
       --  Some helpers
       function Chtype_To_AttrChar is new
         Unchecked_Conversion (Source => C_Chtype,
                               Target => Attributed_Character);
       function AttrChar_To_Chtype is new
         Unchecked_Conversion (Source => Attributed_Character,
                               Target => C_Chtype);

       function AttrChar_To_AttrType is new
         Unchecked_Conversion (Source => Attributed_Character,
                               Target => C_AttrType);

       function AttrType_To_AttrChar is new
         Unchecked_Conversion (Source => C_AttrType,
                               Target => Attributed_Character);

       procedure Fill_String (Cp  : in  chars_ptr;
                              Str : out String);
       --  Fill the Str parameter with the string denoted by the chars_ptr
       --  C-Style string.

       function Fill_String (Cp : chars_ptr) return String;
       --  Same but as function.

    end Terminal_Interface.Curses.Aux;