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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;
|
