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+------------------------------------------------------------------------------
+--                                                                          --
+--                       GNAT ncurses Binding Samples                       --
+--                                                                          --
+--                                 Sample                                   --
+--                                                                          --
+--                                 B O D Y                                  --
+--                                                                          --
+------------------------------------------------------------------------------
+-- Copyright (c) 1998-2008,2011 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:  Juergen Pfeifer, 1996
+--  Version Control
+--  $Revision: 1.18 $
+--  $Date: 2011/03/23 00:44:12 $
+--  Binding Version 01.00
+------------------------------------------------------------------------------
+with Text_IO;
+
+with Ada.Exceptions; use Ada.Exceptions;
+
+with Terminal_Interface.Curses; use Terminal_Interface.Curses;
+with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels;
+with Terminal_Interface.Curses.Menus; use Terminal_Interface.Curses.Menus;
+with Terminal_Interface.Curses.Menus.Menu_User_Data;
+with Terminal_Interface.Curses.Menus.Item_User_Data;
+
+with Sample.Manifest; use Sample.Manifest;
+with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
+with Sample.Keyboard_Handler; use Sample.Keyboard_Handler;
+with Sample.Header_Handler; use Sample.Header_Handler;
+with Sample.Explanation; use Sample.Explanation;
+
+with Sample.Menu_Demo.Handler;
+with Sample.Curses_Demo;
+with Sample.Form_Demo;
+with Sample.Menu_Demo;
+with Sample.Text_IO_Demo;
+
+with GNAT.OS_Lib;
+
+package body Sample is
+
+   type User_Data is
+      record
+         Data : Integer;
+      end record;
+   type User_Access is access User_Data;
+
+   package Ud is new
+     Terminal_Interface.Curses.Menus.Menu_User_Data
+     (User_Data, User_Access);
+
+   package Id is new
+     Terminal_Interface.Curses.Menus.Item_User_Data
+     (User_Data, User_Access);
+
+   procedure Whow is
+      procedure Main_Menu;
+      procedure Main_Menu
+      is
+         function My_Driver (M : Menu;
+                             K : Key_Code;
+                             Pan : Panel) return Boolean;
+
+         package Mh is new Sample.Menu_Demo.Handler (My_Driver);
+
+         I : Item_Array_Access := new Item_Array'
+           (New_Item ("Curses Core Demo"),
+            New_Item ("Menu Demo"),
+            New_Item ("Form Demo"),
+            New_Item ("Text IO Demo"),
+            Null_Item);
+
+         M : Menu := New_Menu (I);
+
+         D1, D2 : User_Access;
+         I1, I2 : User_Access;
+
+         function My_Driver (M : Menu;
+                             K : Key_Code;
+                             Pan : Panel) return Boolean
+         is
+            Idx : constant Positive := Get_Index (Current (M));
+         begin
+            if K in User_Key_Code'Range then
+               if K = QUIT then
+                  return True;
+               elsif K = SELECT_ITEM then
+                  if Idx <= 4 then
+                     Hide (Pan);
+                     Update_Panels;
+                  end if;
+                  case Idx is
+                     when 1 => Sample.Curses_Demo.Demo;
+                     when 2 => Sample.Menu_Demo.Demo;
+                     when 3 => Sample.Form_Demo.Demo;
+                     when 4 => Sample.Text_IO_Demo.Demo;
+                     when others => null;
+                  end case;
+                  if Idx <= 4 then
+                     Top (Pan);
+                     Show (Pan);
+                     Update_Panels;
+                     Update_Screen;
+                  end if;
+               end if;
+            end if;
+            return False;
+         end My_Driver;
+
+      begin
+
+         if (1 + Item_Count (M)) /= I'Length then
+            raise Constraint_Error;
+         end if;
+
+         D1 := new User_Data'(Data => 4711);
+         Ud.Set_User_Data (M, D1);
+
+         I1 := new User_Data'(Data => 1174);
+         Id.Set_User_Data (I.all (1), I1);
+
+         Set_Spacing (Men => M, Row => 2);
+
+         Default_Labels;
+         Notepad ("MAINPAD");
+
+         Mh.Drive_Me (M, " Demo ");
+
+         Ud.Get_User_Data (M, D2);
+         pragma Assert (D1 = D2);
+         pragma Assert (D1.Data = D2.Data);
+
+         Id.Get_User_Data (I.all (1), I2);
+         pragma Assert (I1 = I2);
+         pragma Assert (I1.Data = I2.Data);
+
+         Delete (M);
+         Free (I, True);
+      end Main_Menu;
+
+   begin
+      Initialize (PC_Style_With_Index);
+      Init_Header_Handler;
+      Init_Screen;
+
+      if Has_Colors then
+         Start_Color;
+
+         Init_Pair (Pair => Default_Colors,  Fore => Black,   Back => White);
+         Init_Pair (Pair => Menu_Back_Color, Fore => Black,   Back => Cyan);
+         Init_Pair (Pair => Menu_Fore_Color, Fore => Red,     Back => Cyan);
+         Init_Pair (Pair => Menu_Grey_Color, Fore => White,   Back => Cyan);
+         Init_Pair (Pair => Notepad_Color,   Fore => Black,   Back => Yellow);
+         Init_Pair (Pair => Help_Color,      Fore => Blue,    Back => Cyan);
+         Init_Pair (Pair => Form_Back_Color, Fore => Black,   Back => Cyan);
+         Init_Pair (Pair => Form_Fore_Color, Fore => Red,     Back => Cyan);
+         Init_Pair (Pair => Header_Color,    Fore => Black,   Back => Green);
+
+         Set_Background (Ch => (Color => Default_Colors,
+                                Attr  => Normal_Video,
+                                Ch    => ' '));
+         Set_Character_Attributes (Attr  => Normal_Video,
+                                   Color => Default_Colors);
+         Erase;
+
+         Set_Soft_Label_Key_Attributes (Color => Header_Color);
+         --  This propagates the attributes to the label window
+         Refresh_Soft_Label_Keys;
+      end if;
+
+      Init_Keyboard_Handler;
+
+      Set_Echo_Mode (False);
+      Set_Raw_Mode;
+      Set_Meta_Mode;
+      Set_KeyPad_Mode;
+
+      --  Initialize the Function Key Environment
+      --  We have some fixed key throughout this sample
+      Main_Menu;
+      End_Windows;
+      Curses_Free_All;
+
+   exception
+      when Event : others =>
+         Terminal_Interface.Curses.End_Windows;
+         Text_IO.Put ("Exception: ");
+         Text_IO.Put (Exception_Name (Event));
+         Text_IO.New_Line;
+         GNAT.OS_Lib.OS_Exit (1);
+
+   end Whow;
+
+end Sample;