| 1 | ------------------------------------------------------------------------------ | 
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| 2 | --                                                                          -- | 
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| 3 | --                       GNAT ncurses Binding Samples                       -- | 
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| 4 | --                                                                          -- | 
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| 5 | --                                 ncurses                                  -- | 
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| 6 | --                                                                          -- | 
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| 7 | --                                 B O D Y                                  -- | 
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| 8 | --                                                                          -- | 
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| 9 | ------------------------------------------------------------------------------ | 
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| 10 | -- Copyright (c) 2000 Free Software Foundation, Inc.                        -- | 
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| 11 | --                                                                          -- | 
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| 12 | -- Permission is hereby granted, free of charge, to any person obtaining a  -- | 
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| 13 | -- copy of this software and associated documentation files (the            -- | 
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| 14 | -- "Software"), to deal in the Software without restriction, including      -- | 
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| 15 | -- without limitation the rights to use, copy, modify, merge, publish,      -- | 
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| 16 | -- distribute, distribute with modifications, sublicense, and/or sell       -- | 
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| 17 | -- copies of the Software, and to permit persons to whom the Software is    -- | 
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| 18 | -- furnished to do so, subject to the following conditions:                 -- | 
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| 19 | --                                                                          -- | 
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| 20 | -- The above copyright notice and this permission notice shall be included  -- | 
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| 21 | -- in all copies or substantial portions of the Software.                   -- | 
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| 22 | --                                                                          -- | 
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| 23 | -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  -- | 
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| 24 | -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               -- | 
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| 25 | -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   -- | 
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| 26 | -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   -- | 
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| 27 | -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    -- | 
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| 28 | -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    -- | 
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| 29 | -- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               -- | 
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| 30 | --                                                                          -- | 
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| 31 | -- Except as contained in this notice, the name(s) of the above copyright   -- | 
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| 32 | -- holders shall not be used in advertising or otherwise to promote the     -- | 
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| 33 | -- sale, use or other dealings in this Software without prior written       -- | 
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| 34 | -- authorization.                                                           -- | 
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| 35 | ------------------------------------------------------------------------------ | 
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| 36 | --  Author: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000 | 
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| 37 | --  Version Control | 
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| 38 | --  $Revision: 1.1 $ | 
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| 39 | --  Binding Version 01.00 | 
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| 40 | ------------------------------------------------------------------------------ | 
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| 41 | with Ada.Text_IO; use Ada.Text_IO; | 
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| 42 | with Ada.Strings.Bounded; use Ada.Strings.Bounded; | 
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| 43 |  | 
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| 44 | with Terminal_Interface.Curses; use Terminal_Interface.Curses; | 
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| 45 | with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux; | 
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| 46 |  | 
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| 47 | with Interfaces.C; use Interfaces.C; | 
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| 48 | with Interfaces.C.Strings; use Interfaces.C.Strings; | 
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| 49 |  | 
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| 50 |  | 
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| 51 | package body ncurses2.genericPuts is | 
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| 52 |  | 
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| 53 | procedure myGet (Win : in  Window := Standard_Window; | 
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| 54 | Str : out BS.Bounded_String; | 
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| 55 | Len : in  Integer := -1) | 
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| 56 | is | 
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| 57 | use BS; | 
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| 58 | function Wgetnstr (Win : Window; | 
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| 59 | Str : char_array; | 
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| 60 | Len : int) return int; | 
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| 61 | pragma Import (C, Wgetnstr, "wgetnstr"); | 
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| 62 |  | 
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| 63 | N        : Integer := Len; | 
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| 64 | Txt : char_array (0 .. size_t (Max_Length)); | 
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| 65 | xStr : String (1 .. Max_Length); | 
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| 66 | Cnt : Natural; | 
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| 67 | begin | 
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| 68 | if N < 0 then | 
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| 69 | N := Max_Length; | 
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| 70 | end if; | 
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| 71 | if N > Max_Length then | 
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| 72 | raise Constraint_Error; | 
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| 73 | end if; | 
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| 74 | Txt (0) := Interfaces.C.char'First; | 
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| 75 | if Wgetnstr (Win, Txt, C_Int (N)) = Curses_Err then | 
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| 76 | raise Curses_Exception; | 
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| 77 | end if; | 
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| 78 | To_Ada (Txt, xStr, Cnt, True); | 
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| 79 | Str := To_Bounded_String (xStr (1 .. Cnt)); | 
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| 80 | end myGet; | 
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| 81 |  | 
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| 82 |  | 
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| 83 |  | 
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| 84 | procedure myPut (Str  : out BS.Bounded_String; | 
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| 85 | i    : Integer; | 
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| 86 | Base : in     Number_Base := 10) is | 
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| 87 | package Int_IO is new Integer_IO (Integer); use Int_IO; | 
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| 88 | tmp : String (1 .. BS.Max_Length); | 
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| 89 | begin | 
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| 90 | Put (tmp, i, Base); | 
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| 91 | Str := To_Bounded_String (tmp); | 
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| 92 | Trim (Str, Ada.Strings.Trim_End'(Ada.Strings.Left)); | 
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| 93 | end myPut; | 
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| 94 |  | 
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| 95 | procedure myAdd (Str : BS.Bounded_String) is | 
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| 96 | begin | 
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| 97 | Add (Str => To_String (Str)); | 
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| 98 | end myAdd; | 
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| 99 |  | 
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| 100 | --  from ncurses-aux | 
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| 101 | procedure Fill_String (Cp  : in  chars_ptr; | 
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| 102 | Str : out BS.Bounded_String) | 
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| 103 | is | 
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| 104 | --  Fill the string with the characters referenced by the | 
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| 105 | --  chars_ptr. | 
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| 106 | -- | 
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| 107 | Len : Natural; | 
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| 108 | begin | 
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| 109 | if Cp /= Null_Ptr then | 
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| 110 | Len := Natural (Strlen (Cp)); | 
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| 111 | if Max_Length < Len then | 
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| 112 | raise Constraint_Error; | 
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| 113 | end if; | 
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| 114 | declare | 
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| 115 | S : String (1 .. Len); | 
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| 116 | begin | 
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| 117 | S := Value (Cp); | 
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| 118 | Str := To_Bounded_String (S); | 
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| 119 | end; | 
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| 120 | else | 
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| 121 | Str := Null_Bounded_String; | 
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| 122 | end if; | 
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| 123 |  | 
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| 124 | end Fill_String; | 
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| 125 |  | 
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| 126 | end ncurses2.genericPuts; | 
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