1 ------------------------------------------------------------------------------
3 -- GNAT ncurses Binding --
5 -- Terminal_Interface.Curses.Forms.Field_Types.User.Choice --
9 ------------------------------------------------------------------------------
10 -- Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. --
12 -- Permission is hereby granted, free of charge, to any person obtaining a --
13 -- copy of this software and associated documentation files (the --
14 -- "Software"), to deal in the Software without restriction, including --
15 -- without limitation the rights to use, copy, modify, merge, publish, --
16 -- distribute, distribute with modifications, sublicense, and/or sell --
17 -- copies of the Software, and to permit persons to whom the Software is --
18 -- furnished to do so, subject to the following conditions: --
20 -- The above copyright notice and this permission notice shall be included --
21 -- in all copies or substantial portions of the Software. --
23 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
24 -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
25 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
26 -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
27 -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
28 -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
29 -- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
31 -- Except as contained in this notice, the name(s) of the above copyright --
32 -- holders shall not be used in advertising or otherwise to promote the --
33 -- sale, use or other dealings in this Software without prior written --
35 ------------------------------------------------------------------------------
36 -- Author: Juergen Pfeifer, 1996
39 -- $Date: 2014/05/24 21:31:05 $
40 -- Binding Version 01.00
41 ------------------------------------------------------------------------------
42 with System.Address_To_Access_Conversions;
43 with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
45 package body Terminal_Interface.Curses.Forms.Field_Types.User.Choice is
47 package Argument_Conversions is
48 new System.Address_To_Access_Conversions (Argument);
50 function Generic_Next (Fld : Field;
51 Usr : System.Address) return Curses_Bool
54 Udf : constant User_Defined_Field_Type_With_Choice_Access :=
55 User_Defined_Field_Type_With_Choice_Access
56 (Argument_Access (Argument_Conversions.To_Pointer (Usr)).all.Typ);
58 Result := Next (Fld, Udf.all);
59 return Curses_Bool (Boolean'Pos (Result));
62 function Generic_Prev (Fld : Field;
63 Usr : System.Address) return Curses_Bool
66 Udf : constant User_Defined_Field_Type_With_Choice_Access :=
67 User_Defined_Field_Type_With_Choice_Access
68 (Argument_Access (Argument_Conversions.To_Pointer (Usr)).all.Typ);
70 Result := Previous (Fld, Udf.all);
71 return Curses_Bool (Boolean'Pos (Result));
74 -- -----------------------------------------------------------------------
76 function C_Generic_Choice return C_Field_Type
81 if M_Generic_Choice = Null_Field_Type then
82 T := New_Fieldtype (Generic_Field_Check'Access,
83 Generic_Char_Check'Access);
84 if T = Null_Field_Type then
87 Res := Set_Fieldtype_Arg (T,
93 Res := Set_Fieldtype_Choice (T,
98 M_Generic_Choice := T;
100 pragma Assert (M_Generic_Choice /= Null_Field_Type);
101 return M_Generic_Choice;
102 end C_Generic_Choice;
104 end Terminal_Interface.Curses.Forms.Field_Types.User.Choice;