------------------------------------------------------------------------------ -- -- -- GNAT ncurses Binding -- -- -- -- Terminal_Interface.Curses.Aux -- -- -- -- S P E C -- -- -- ------------------------------------------------------------------------------ -- Copyright 2018,2020 Thomas E. Dickey -- -- Copyright 1998-2011,2014 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: 1.25 @ -- Binding Version 01.00 ------------------------------------------------------------------------------ with System; with Interfaces.C; with Interfaces.C.Strings; use Interfaces.C.Strings; package Terminal_Interface.Curses.Aux is pragma Preelaborate (Terminal_Interface.Curses.Aux); 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; -- 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 := Curses_Constants.OK; Curses_Err : constant C_Int := Curses_Constants.ERR; Curses_True : constant C_Int := Curses_Constants.TRUE; Curses_False : constant C_Int := Curses_Constants.FALSE; -- Eti_Error: type for error codes returned by the menu and form subsystem type Eti_Error is (E_Current, E_Invalid_Field, E_Request_Denied, E_Not_Connected, E_Not_Selectable, E_No_Match, E_Unknown_Command, E_Not_Posted, E_No_Room, E_Bad_State, E_Connected, E_Posted, E_Bad_Argument, E_System_Error, E_Ok); procedure Eti_Exception (Code : Eti_Error); -- Do nothing if Code = E_Ok. -- Else dispatch the error code and raise the appropriate exception. procedure Fill_String (Cp : 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. private for Eti_Error'Size use C_Int'Size; pragma Convention (C, Eti_Error); for Eti_Error use (E_Current => Curses_Constants.E_CURRENT, E_Invalid_Field => Curses_Constants.E_INVALID_FIELD, E_Request_Denied => Curses_Constants.E_REQUEST_DENIED, E_Not_Connected => Curses_Constants.E_NOT_CONNECTED, E_Not_Selectable => Curses_Constants.E_NOT_SELECTABLE, E_No_Match => Curses_Constants.E_NO_MATCH, E_Unknown_Command => Curses_Constants.E_UNKNOWN_COMMAND, E_Not_Posted => Curses_Constants.E_NOT_POSTED, E_No_Room => Curses_Constants.E_NO_ROOM, E_Bad_State => Curses_Constants.E_BAD_STATE, E_Connected => Curses_Constants.E_CONNECTED, E_Posted => Curses_Constants.E_POSTED, E_Bad_Argument => Curses_Constants.E_BAD_ARGUMENT, E_System_Error => Curses_Constants.E_SYSTEM_ERROR, E_Ok => Curses_Constants.E_OK); end Terminal_Interface.Curses.Aux;