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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