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------------------------------------------------------------------------------
-- --
-- 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 <Juergen.Pfeifer@T-Online.de> 1996
-- Version Control:
-- $Revision: 1.8 $
-- Binding Version 00.93
------------------------------------------------------------------------------
with System;
with Interfaces.C;
with Interfaces.C.Strings; use Interfaces.C.Strings;
with Unchecked_Conversion;
package Terminal_Interface.Curses.Aux is
pragma Preelaborate (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_Char_Ptr is Interfaces.C.Strings.Chars_Ptr;
type C_Void_Ptr is new System.Address;
-- 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;
subtype Eti_Error is C_Int range -14 .. 0;
-- Type for error codes returned by the menu and forms subsystem
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 CInt_To_Chtype is new
Unchecked_Conversion (Source => C_Int,
Target => Attributed_Character);
function Chtype_To_CInt is new
Unchecked_Conversion (Source => Attributed_Character,
Target => C_Int);
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;
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