------------------------------------------------------------------------------ -- -- -- GNAT ncurses Binding Samples -- -- -- -- Sample.Curses_Demo -- -- -- -- B O D Y -- -- -- ------------------------------------------------------------------------------ -- Copyright (c) 1998,2004 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: 1.15 $ -- $Date: 2004/08/21 21:37:00 $ -- 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 maechanism. 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 (2), O); O.Selectable := False; Set_Options (Itm (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;