1 ------------------------------------------------------------------------------
3 -- GNAT ncurses Binding --
5 -- Terminal_Interface.Curses.Forms.Field_Types.Enumeration --
9 ------------------------------------------------------------------------------
10 -- Copyright 2020 Thomas E. Dickey --
11 -- Copyright 1999-2011,2014 Free Software Foundation, Inc. --
13 -- Permission is hereby granted, free of charge, to any person obtaining a --
14 -- copy of this software and associated documentation files (the --
15 -- "Software"), to deal in the Software without restriction, including --
16 -- without limitation the rights to use, copy, modify, merge, publish, --
17 -- distribute, distribute with modifications, sublicense, and/or sell --
18 -- copies of the Software, and to permit persons to whom the Software is --
19 -- furnished to do so, subject to the following conditions: --
21 -- The above copyright notice and this permission notice shall be included --
22 -- in all copies or substantial portions of the Software. --
24 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
25 -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
26 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
27 -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
28 -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
29 -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
30 -- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
32 -- Except as contained in this notice, the name(s) of the above copyright --
33 -- holders shall not be used in advertising or otherwise to promote the --
34 -- sale, use or other dealings in this Software without prior written --
36 ------------------------------------------------------------------------------
37 -- Author: Juergen Pfeifer, 1996
40 -- Binding Version 01.00
41 ------------------------------------------------------------------------------
42 with Ada.Unchecked_Deallocation;
43 with Interfaces.C; use Interfaces.C;
44 with Interfaces.C.Strings; use Interfaces.C.Strings;
45 with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
47 package body Terminal_Interface.Curses.Forms.Field_Types.Enumeration is
49 function Create (Info : Enumeration_Info;
50 Auto_Release_Names : Boolean := False)
51 return Enumeration_Field
53 procedure Release_String is
54 new Ada.Unchecked_Deallocation (String,
56 E : Enumeration_Field;
57 L : constant size_t := 1 + size_t (Info.C);
60 E.Case_Sensitive := Info.Case_Sensitive;
61 E.Match_Must_Be_Unique := Info.Match_Must_Be_Unique;
62 E.Arr := new chars_ptr_array (size_t (1) .. L);
63 for I in 1 .. Positive (L - 1) loop
64 if Info.Names (I) = null then
67 E.Arr.all (size_t (I)) := New_String (Info.Names (I).all);
68 if Auto_Release_Names then
73 E.Arr.all (L) := Null_Ptr;
77 procedure Release (Enum : in out Enumeration_Field)
83 P := Enum.Arr.all (I);
84 exit when P = Null_Ptr;
86 Enum.Arr.all (I) := Null_Ptr;
92 procedure Set_Field_Type (Fld : Field;
93 Typ : Enumeration_Field)
95 function Set_Fld_Type (F : Field := Fld;
96 Arg1 : chars_ptr_array;
98 Arg3 : C_Int) return Eti_Error;
99 pragma Import (C, Set_Fld_Type, "set_field_type_enum");
102 if Typ.Arr = null then
103 raise Form_Exception;
107 (Arg1 => Typ.Arr.all,
108 Arg2 => C_Int (Boolean'Pos (Typ.Case_Sensitive)),
109 Arg3 => C_Int (Boolean'Pos (Typ.Match_Must_Be_Unique))));
110 Wrap_Builtin (Fld, Typ, C_Choice_Router);
113 end Terminal_Interface.Curses.Forms.Field_Types.Enumeration;