| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding -- |
| -- -- |
| -- Terminal_Interface.Curses.Forms.Field_Types.User.Choice -- |
| -- -- |
| -- S P E C -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 1998,2008 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: 1.12 $ |
| -- $Date: 2008/07/26 18:49:20 $ |
| -- Binding Version 01.00 |
| ------------------------------------------------------------------------------ |
| with Interfaces.C; |
| |
| package Terminal_Interface.Curses.Forms.Field_Types.User.Choice is |
| pragma Preelaborate |
| (Terminal_Interface.Curses.Forms.Field_Types.User.Choice); |
| |
| subtype C_Int is Interfaces.C.int; |
| |
| type User_Defined_Field_Type_With_Choice is abstract new |
| User_Defined_Field_Type with null record; |
| -- This is the root of the mechanism we use to create field types in |
| -- Ada95 that allow the prev/next mechanism. You should your own type |
| -- derive from this one and implement the Field_Check, Character_Check |
| -- Next and Previous functions for your own type. |
| |
| type User_Defined_Field_Type_With_Choice_Access is access all |
| User_Defined_Field_Type_With_Choice'Class; |
| |
| function Next |
| (Fld : Field; |
| Typ : User_Defined_Field_Type_With_Choice) return Boolean |
| is abstract; |
| -- If True is returned, the function successfully generated a next |
| -- value into the fields buffer. |
| |
| function Previous |
| (Fld : Field; |
| Typ : User_Defined_Field_Type_With_Choice) return Boolean |
| is abstract; |
| -- If True is returned, the function successfully generated a previous |
| -- value into the fields buffer. |
| |
| -- +---------------------------------------------------------------------- |
| -- | Private Part. |
| -- | |
| private |
| function C_Generic_Choice return C_Field_Type; |
| |
| function Generic_Next (Fld : Field; |
| Usr : System.Address) return C_Int; |
| pragma Convention (C, Generic_Next); |
| -- This is the generic next Choice_Function for the low-level fieldtype |
| -- representing all the User_Defined_Field_Type derivates. It routes |
| -- the call to the Next implementation for the type. |
| |
| function Generic_Prev (Fld : Field; |
| Usr : System.Address) return C_Int; |
| pragma Convention (C, Generic_Prev); |
| -- This is the generic prev Choice_Function for the low-level fieldtype |
| -- representing all the User_Defined_Field_Type derivates. It routes |
| -- the call to the Previous implementation for the type. |
| |
| end Terminal_Interface.Curses.Forms.Field_Types.User.Choice; |
