/usr/share/doc/libncursesada-doc/examples/sample-curses_demo.adb is in libncursesada-doc 6.0.20170708-2.
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-- --
-- GNAT ncurses Binding Samples --
-- --
-- Sample.Curses_Demo --
-- --
-- B O D Y --
-- --
------------------------------------------------------------------------------
-- Copyright (c) 1998-2004,2011 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: 1.17 $
-- $Date: 2011/03/23 00:29:04 $
-- Binding Version 01.00
------------------------------------------------------------------------------
with Terminal_Interface.Curses; use Terminal_Interface.Curses;
with Terminal_Interface.Curses.Menus; use Terminal_Interface.Curses.Menus;
with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse;
with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels;
with Terminal_Interface.Curses.Panels.User_Data;
with Sample.Manifest; use Sample.Manifest;
with Sample.Helpers; use Sample.Helpers;
with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
with Sample.Explanation; use Sample.Explanation;
with Sample.Menu_Demo.Handler;
with Sample.Curses_Demo.Mouse;
with Sample.Curses_Demo.Attributes;
package body Sample.Curses_Demo is
type User_Data is new Integer;
type User_Data_Access is access all User_Data;
package PUD is new Panels.User_Data (User_Data, User_Data_Access);
-- We use above instantiation of the generic User_Data package to
-- demonstrate and test the use of the user data mechanism.
procedure Demo
is
function My_Driver (M : Menu;
K : Key_Code;
Pan : Panel) return Boolean;
package Mh is new Sample.Menu_Demo.Handler (My_Driver);
Itm : Item_Array_Access := new Item_Array'
(New_Item ("Attributes Demo"),
New_Item ("Mouse Demo"),
Null_Item);
M : Menu := New_Menu (Itm);
U1 : constant User_Data_Access := new User_Data'(4711);
U2 : User_Data_Access;
function My_Driver (M : Menu;
K : Key_Code;
Pan : Panel) return Boolean
is
Idx : constant Positive := Get_Index (Current (M));
Result : Boolean := False;
begin
PUD.Set_User_Data (Pan, U1); -- set some user data, just for fun
if K in User_Key_Code'Range then
if K = QUIT then
Result := True;
elsif K = SELECT_ITEM then
if Idx in Itm'Range then
Hide (Pan);
Update_Panels;
end if;
case Idx is
when 1 => Sample.Curses_Demo.Attributes.Demo;
when 2 => Sample.Curses_Demo.Mouse.Demo;
when others => Not_Implemented;
end case;
if Idx in Itm'Range then
Top (Pan);
Show (Pan);
Update_Panels;
Update_Screen;
end if;
end if;
end if;
PUD.Get_User_Data (Pan, U2); -- get the user data
pragma Assert (U1.all = U2.all and then U1 = U2);
return Result;
end My_Driver;
begin
if (1 + Item_Count (M)) /= Itm'Length then
raise Constraint_Error;
end if;
if not Has_Mouse then
declare
O : Item_Option_Set;
begin
Get_Options (Itm.all (2), O);
O.Selectable := False;
Set_Options (Itm.all (2), O);
end;
end if;
Push_Environment ("CURSES00");
Notepad ("CURSES-PAD00");
Default_Labels;
Refresh_Soft_Label_Keys_Without_Update;
Mh.Drive_Me (M, " Demo ");
Pop_Environment;
Delete (M);
Free (Itm, True);
end Demo;
end Sample.Curses_Demo;
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