------------------------------------------------------------------------------
--                                                                          --
--                       GNAT ncurses Binding Samples                       --
--                                                                          --
--                            Sample.Text_IO_Demo                           --
--                                                                          --
--                                 B O D Y                                  --
--                                                                          --
--  Version 00.92                                                           --
--                                                                          --
--  The ncurses Ada95 binding is copyrighted 1996 by                        --
--  Juergen Pfeifer, Email: Juergen.Pfeifer@T-Online.de                     --
--                                                                          --
--  Permission is hereby granted to reproduce and distribute this           --
--  binding by any means and for any fee, whether alone or as part          --
--  of a larger distribution, in source or in binary form, PROVIDED         --
--  this notice is included with any such distribution, and is not          --
--  removed from any of its header files. Mention of ncurses and the        --
--  author of this binding in any applications linked with it is            --
--  highly appreciated.                                                     --
--                                                                          --
--  This binding comes AS IS with no warranty, implied or expressed.        --
------------------------------------------------------------------------------
--  Version Control
--  $Revision: 1.2 $
------------------------------------------------------------------------------
with Ada.Numerics.Generic_Elementary_Functions;
with Ada.Numerics.Complex_Types;
use  Ada.Numerics.Complex_Types;

with Terminal_Interface.Curses; use Terminal_Interface.Curses;
with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels;
with Terminal_Interface.Curses.Text_IO;
use  Terminal_Interface.Curses.Text_IO;
with Terminal_Interface.Curses.Text_IO.Integer_IO;
with Terminal_Interface.Curses.Text_IO.Float_IO;
with Terminal_Interface.Curses.Text_IO.Enumeration_IO;
with Terminal_Interface.Curses.Text_IO.Complex_IO;
with Terminal_Interface.Curses.Text_IO.Fixed_IO;
with Terminal_Interface.Curses.Text_IO.Decimal_IO;
with Terminal_Interface.Curses.Text_IO.Modular_IO;

with Sample.Manifest; use Sample.Manifest;
with Sample.Helpers; use Sample.Helpers;
with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
with Sample.Keyboard_Handler; use Sample.Keyboard_Handler;
with Sample.Explanation; use Sample.Explanation;

package body Sample.Text_IO_Demo is

   type Weekday is (Sunday,
                    Monday,
                    Tuesday,
                    Wednesday,
                    Thursday,
                    Friday,
                    Saturday);

   type Fix is delta 0.1 range 0.0 .. 4.0;
   type Dec is delta 0.01 digits 5 range 0.0 .. 4.0;
   type Md is mod 5;

   package Math is new
     Ada.Numerics.Generic_Elementary_Functions (Float);

   package Int_IO is new
     Terminal_Interface.Curses.Text_IO.Integer_IO (Integer);
   use Int_IO;

   package Real_IO is new
     Terminal_Interface.Curses.Text_IO.Float_IO (Float);
   use Real_IO;

   package Enum_IO is new
     Terminal_Interface.Curses.Text_IO.Enumeration_IO (Weekday);
   use Enum_IO;

   package C_IO is new
     Terminal_Interface.Curses.Text_IO.Complex_IO (Ada.Numerics.Complex_Types);
   use C_IO;

   package F_IO is new
     Terminal_Interface.Curses.Text_IO.Fixed_IO (Fix);
   use F_IO;

   package D_IO is new
     Terminal_Interface.Curses.Text_IO.Decimal_IO (Dec);
   use D_IO;

   package M_IO is new
     Terminal_Interface.Curses.Text_IO.Modular_IO (Md);
   use M_IO;

   procedure Demo
   is
      W : Window;
      P : Panel := Create (Standard_Window);
      K : Real_Key_Code;
      Im : Complex := (0.0, 1.0);
      Fx : Fix := 3.14;
      Dc : Dec := 2.72;
      L : Md;

   begin
      Push_Environment ("TEXTIO");
      Default_Labels;
      Notepad ("TEXTIO-PAD00");

      Set_Echo_Mode (FALSE);
      Set_Raw_Mode;
      Set_Meta_Mode;
      Set_KeyPad_Mode;
      W := Sub_Window (Standard_Window, Lines - 2, Columns - 2, 1, 1);
      Box;
      Refresh_Without_Update;
      Set_Meta_Mode (W);
      Set_KeyPad_Mode (W);
      Immediate_Update_Mode (W, True);

      Set_Window (W);

      for I in 1 .. 10 loop
         Put ("Square root of ");
         Put (Item => I, Width => 5);
         Put (" is ");
         Put (Item => Math.Sqrt (Float (I)), Exp => 0, Aft => 7);
         New_Line;
      end loop;

      for W in Weekday loop
         Put (Item => W); Put (' ');
      end loop;
      New_Line;

      L := Md'First;
      for I in 1 .. 2 loop
         for J in Md'Range loop
            Put (L); Put (' ');
            L := L + 1;
         end loop;
      end loop;
      New_Line;

      Put (Im); New_Line;
      Put (Fx); New_Line;
      Put (Dc); New_Line;

      loop
         K := Get_Key;
         if K in Special_Key_Code'Range then
            case K is
               when QUIT_CODE     => exit;
               when HELP_CODE     => Explain_Context;
               when EXPLAIN_CODE  => Explain ("TEXTIOKEYS");
               when others        => null;
            end case;
         end if;
      end loop;

      Set_Window (Null_Window);
      Erase; Refresh_Without_Update;
      Delete (P);
      Delete (W);

      Pop_Environment;
   end Demo;

end Sample.Text_IO_Demo;