/usr/share/doc/libncursesada-doc/examples/ncurses2-util.adb is in libncursesada-doc 5.9.20110404-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | ------------------------------------------------------------------------------
-- --
-- GNAT ncurses Binding Samples --
-- --
-- ncurses2.util --
-- --
-- B O D Y --
-- --
------------------------------------------------------------------------------
-- Copyright (c) 2000-2006,2008 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: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000
-- Version Control
-- $Revision: 1.7 $
-- $Date: 2008/07/26 18:51:20 $
-- Binding Version 01.00
------------------------------------------------------------------------------
with Ada.Text_IO; use Ada.Text_IO;
pragma Warnings (Off);
with Terminal_Interface.Curses.Aux;
pragma Warnings (On);
with Terminal_Interface.Curses.Trace; use Terminal_Interface.Curses.Trace;
with Interfaces.C;
with Interfaces.C.Strings;
with Ada.Characters.Handling;
with ncurses2.genericPuts;
package body ncurses2.util is
-- #defines from C
-- #define CTRL(x) ((x) & 0x1f)
function CTRL (c : Character) return Key_Code is
begin
return Character'Pos (c) mod 16#20#;
-- uses a property of ASCII
-- A = 16#41#; a = 16#61#; ^A = 1 or 16#1#
end CTRL;
function CTRL (c : Character) return Character is
begin
return Character'Val (Character'Pos (c) mod 16#20#);
-- uses a property of ASCII
-- A = 16#41#; a = 16#61#; ^A = 1 or 16#1#
end CTRL;
save_trace : Trace_Attribute_Set;
-- Common function to allow ^T to toggle trace-mode in the middle of a test
-- so that trace-files can be made smaller.
function Getchar (win : Window := Standard_Window) return Key_Code is
c : Key_Code;
begin
-- #ifdef TRACE
c := Get_Keystroke (win);
while c = CTRL ('T') loop
-- if _nc_tracing in C
if Current_Trace_Setting /= Trace_Disable then
save_trace := Current_Trace_Setting;
Trace_Put ("TOGGLE-TRACING OFF");
Current_Trace_Setting := Trace_Disable;
else
Current_Trace_Setting := save_trace;
end if;
Trace_On (Current_Trace_Setting);
if Current_Trace_Setting /= Trace_Disable then
Trace_Put ("TOGGLE-TRACING ON");
end if;
end loop;
-- #else c := Get_Keystroke;
return c;
end Getchar;
procedure Getchar (win : Window := Standard_Window) is
begin
if Getchar (win) < 0 then
Beep;
end if;
end Getchar;
procedure Pause is
begin
Move_Cursor (Line => Lines - 1, Column => 0);
Add (Str => "Press any key to continue... ");
Getchar;
end Pause;
procedure Cannot (s : String) is
use Interfaces.C;
use Interfaces.C.Strings;
use Terminal_Interface.Curses.Aux;
function getenv (x : char_array) return chars_ptr;
pragma Import (C, getenv, "getenv");
tmp1 : char_array (0 .. 10);
package p is new ncurses2.genericPuts (1024);
use p;
use p.BS;
tmpb : BS.Bounded_String;
Length : size_t;
begin
To_C ("TERM", tmp1, Length);
Fill_String (getenv (tmp1), tmpb);
Add (Ch => newl);
myAdd (Str => "This " & tmpb & " terminal " & s);
Pause;
end Cannot;
procedure ShellOut (message : Boolean) is
use Interfaces.C;
Txt : char_array (0 .. 10);
Length : size_t;
procedure system (x : char_array);
pragma Import (C, system, "system");
begin
To_C ("sh", Txt, Length);
if message then
Add (Str => "Shelling out...");
end if;
Save_Curses_Mode (Mode => Curses);
End_Windows;
system (Txt);
if message then
Add (Str => "returned from shellout.");
Add (Ch => newl);
end if;
Refresh;
end ShellOut;
function Is_Digit (c : Key_Code) return Boolean is
begin
if c >= 16#100# then
return False;
else
return Ada.Characters.Handling.Is_Digit (Character'Val (c));
end if;
end Is_Digit;
procedure P (s : String) is
begin
Add (Str => s);
Add (Ch => newl);
end P;
function Code_To_Char (c : Key_Code) return Character is
begin
if c > Character'Pos (Character'Last) then
return Character'Val (0);
-- maybe raise exception?
else
return Character'Val (c);
end if;
end Code_To_Char;
-- This was untestable due to a bug in GNAT (3.12p)
-- Hmm, what bug? I don't remember.
function ctoi (c : Character) return Integer is
begin
return Character'Pos (c) - Character'Pos ('0');
end ctoi;
end ncurses2.util;
|