release/src/router/libncurses/Ada95/samples/sample-text_io_demo.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                       GNAT ncurses Binding Samples                       --
   4 --                                                                          --
   5 --                            Sample.Text_IO_Demo                           --
   6 --                                                                          --
   7 --                                 B O D Y                                  --
   8 --                                                                          --
   9 ------------------------------------------------------------------------------
  10 -- Copyright (c) 1998-2006,2011 Free Software Foundation, Inc.              --
  11 --                                                                          --
  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:                 --
  19 --                                                                          --
  20 -- The above copyright notice and this permission notice shall be included  --
  21 -- in all copies or substantial portions of the Software.                   --
  22 --                                                                          --
  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.                               --
  30 --                                                                          --
  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       --
  34 -- authorization.                                                           --
  35 ------------------------------------------------------------------------------
  36 --  Author:  Juergen Pfeifer, 1996
  37 --  Version Control
  38 --  $Revision: 1.17 $
  39 --  $Date: 2011/03/23 00:44:12 $
  40 --  Binding Version 01.00
  41 ------------------------------------------------------------------------------
  42 with Ada.Numerics.Generic_Elementary_Functions;
  43
  44 with Ada.Numerics.Complex_Types;
  45 use  Ada.Numerics.Complex_Types;
  46
  47 with Terminal_Interface.Curses;
  48 use  Terminal_Interface.Curses;
  49
  50 with Terminal_Interface.Curses.Panels;
  51 use  Terminal_Interface.Curses.Panels;
  52
  53 with Terminal_Interface.Curses.Text_IO;
  54 use  Terminal_Interface.Curses.Text_IO;
  55
  56 with Terminal_Interface.Curses.Text_IO.Integer_IO;
  57 with Terminal_Interface.Curses.Text_IO.Float_IO;
  58 with Terminal_Interface.Curses.Text_IO.Enumeration_IO;
  59 with Terminal_Interface.Curses.Text_IO.Complex_IO;
  60 with Terminal_Interface.Curses.Text_IO.Fixed_IO;
  61 with Terminal_Interface.Curses.Text_IO.Decimal_IO;
  62 with Terminal_Interface.Curses.Text_IO.Modular_IO;
  63
  64 with Sample.Manifest; use Sample.Manifest;
  65 with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
  66 with Sample.Keyboard_Handler; use Sample.Keyboard_Handler;
  67 with Sample.Explanation; use Sample.Explanation;
  68
  69 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Complex_IO);
  70 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Decimal_IO);
  71 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Enumeration_IO);
  72 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Fixed_IO);
  73 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Float_IO);
  74 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Integer_IO);
  75 pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Modular_IO);
  76
  77 package body Sample.Text_IO_Demo is
  78
  79    type Weekday is (Sunday,
  80                     Monday,
  81                     Tuesday,
  82                     Wednesday,
  83                     Thursday,
  84                     Friday,
  85                     Saturday);
  86
  87    type Fix is delta 0.1 range 0.0 .. 4.0;
  88    type Dec is delta 0.01 digits 5 range 0.0 .. 4.0;
  89    type Md is mod 5;
  90
  91    package Math is new
  92      Ada.Numerics.Generic_Elementary_Functions (Float);
  93
  94    package Int_IO is new
  95      Terminal_Interface.Curses.Text_IO.Integer_IO (Integer);
  96    use Int_IO;
  97
  98    package Real_IO is new
  99      Terminal_Interface.Curses.Text_IO.Float_IO (Float);
 100    use Real_IO;
 101
 102    package Enum_IO is new
 103      Terminal_Interface.Curses.Text_IO.Enumeration_IO (Weekday);
 104    use Enum_IO;
 105
 106    package C_IO is new
 107      Terminal_Interface.Curses.Text_IO.Complex_IO (Ada.Numerics.Complex_Types);
 108    use C_IO;
 109
 110    package F_IO is new
 111      Terminal_Interface.Curses.Text_IO.Fixed_IO (Fix);
 112    use F_IO;
 113
 114    package D_IO is new
 115      Terminal_Interface.Curses.Text_IO.Decimal_IO (Dec);
 116    use D_IO;
 117
 118    package M_IO is new
 119      Terminal_Interface.Curses.Text_IO.Modular_IO (Md);
 120    use M_IO;
 121
 122    procedure Demo
 123    is
 124       W : Window;
 125       P : Panel := Create (Standard_Window);
 126       K : Real_Key_Code;
 127       Im : constant Complex := (0.0, 1.0);
 128       Fx : constant Dec := 3.14;
 129       Dc : constant Dec := 2.72;
 130       L : Md;
 131
 132    begin
 133       Push_Environment ("TEXTIO");
 134       Default_Labels;
 135       Notepad ("TEXTIO-PAD00");
 136
 137       Set_Echo_Mode (False);
 138       Set_Meta_Mode;
 139       Set_KeyPad_Mode;
 140       W := Sub_Window (Standard_Window, Lines - 2, Columns - 2, 1, 1);
 141       Box;
 142       Refresh_Without_Update;
 143       Set_Meta_Mode (W);
 144       Set_KeyPad_Mode (W);
 145       Immediate_Update_Mode (W, True);
 146
 147       Set_Window (W);
 148
 149       for I in 1 .. 10 loop
 150          Put ("Square root of ");
 151          Put (Item => I, Width => 5);
 152          Put (" is ");
 153          Put (Item => Math.Sqrt (Float (I)), Exp => 0, Aft => 7);
 154          New_Line;
 155       end loop;
 156
 157       for W in Weekday loop
 158          Put (Item => W); Put (' ');
 159       end loop;
 160       New_Line;
 161
 162       L := Md'First;
 163       for I in 1 .. 2 loop
 164          for J in Md'Range loop
 165             Put (L); Put (' ');
 166             L := L + 1;
 167          end loop;
 168       end loop;
 169       New_Line;
 170
 171       Put (Im); New_Line;
 172       Put (Fx); New_Line;
 173       Put (Dc); New_Line;
 174
 175       loop
 176          K := Get_Key;
 177          if K in Special_Key_Code'Range then
 178             case K is
 179                when QUIT_CODE     => exit;
 180                when HELP_CODE     => Explain_Context;
 181                when EXPLAIN_CODE  => Explain ("TEXTIOKEYS");
 182                when others        => null;
 183             end case;
 184          end if;
 185       end loop;
 186
 187       Set_Window (Null_Window);
 188       Erase; Refresh_Without_Update;
 189       Delete (P);
 190       Delete (W);
 191
 192       Pop_Environment;
 193    end Demo;
 194
 195 end Sample.Text_IO_Demo;