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144 lines
6.1 KiB
Ada
144 lines
6.1 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT ncurses Binding Samples --
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-- --
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-- Sample.Curses_Demo --
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-- --
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-- B O D Y --
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-- --
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------------------------------------------------------------------------------
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-- Copyright (c) 1998,2004 Free Software Foundation, Inc. --
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-- --
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-- Permission is hereby granted, free of charge, to any person obtaining a --
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-- copy of this software and associated documentation files (the --
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-- "Software"), to deal in the Software without restriction, including --
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-- without limitation the rights to use, copy, modify, merge, publish, --
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-- distribute, distribute with modifications, sublicense, and/or sell --
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-- copies of the Software, and to permit persons to whom the Software is --
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-- furnished to do so, subject to the following conditions: --
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-- --
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-- The above copyright notice and this permission notice shall be included --
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-- in all copies or substantial portions of the Software. --
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-- --
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-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
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-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
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-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
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-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
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-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
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-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
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-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
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-- --
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-- Except as contained in this notice, the name(s) of the above copyright --
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-- holders shall not be used in advertising or otherwise to promote the --
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-- sale, use or other dealings in this Software without prior written --
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-- authorization. --
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------------------------------------------------------------------------------
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-- Author: Juergen Pfeifer, 1996
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-- Version Control
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-- $Revision: 1.15 $
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-- $Date: 2004/08/21 21:37:00 $
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-- Binding Version 01.00
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------------------------------------------------------------------------------
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with Terminal_Interface.Curses; use Terminal_Interface.Curses;
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with Terminal_Interface.Curses.Menus; use Terminal_Interface.Curses.Menus;
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with Terminal_Interface.Curses.Mouse; use Terminal_Interface.Curses.Mouse;
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with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels;
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with Terminal_Interface.Curses.Panels.User_Data;
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with Sample.Manifest; use Sample.Manifest;
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with Sample.Helpers; use Sample.Helpers;
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with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
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with Sample.Explanation; use Sample.Explanation;
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with Sample.Menu_Demo.Handler;
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with Sample.Curses_Demo.Mouse;
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with Sample.Curses_Demo.Attributes;
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package body Sample.Curses_Demo is
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type User_Data is new Integer;
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type User_Data_Access is access all User_Data;
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package PUD is new Panels.User_Data (User_Data, User_Data_Access);
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-- We use above instantiation of the generic User_Data package to
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-- demonstrate and test the use of the user data maechanism.
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procedure Demo
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is
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function My_Driver (M : Menu;
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K : Key_Code;
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Pan : Panel) return Boolean;
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package Mh is new Sample.Menu_Demo.Handler (My_Driver);
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Itm : Item_Array_Access := new Item_Array'
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(New_Item ("Attributes Demo"),
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New_Item ("Mouse Demo"),
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Null_Item);
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M : Menu := New_Menu (Itm);
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U1 : constant User_Data_Access := new User_Data'(4711);
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U2 : User_Data_Access;
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function My_Driver (M : Menu;
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K : Key_Code;
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Pan : Panel) return Boolean
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is
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Idx : constant Positive := Get_Index (Current (M));
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Result : Boolean := False;
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begin
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PUD.Set_User_Data (Pan, U1); -- set some user data, just for fun
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if K in User_Key_Code'Range then
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if K = QUIT then
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Result := True;
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elsif K = SELECT_ITEM then
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if Idx in Itm'Range then
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Hide (Pan);
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Update_Panels;
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end if;
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case Idx is
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when 1 => Sample.Curses_Demo.Attributes.Demo;
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when 2 => Sample.Curses_Demo.Mouse.Demo;
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when others => Not_Implemented;
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end case;
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if Idx in Itm'Range then
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Top (Pan);
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Show (Pan);
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Update_Panels;
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Update_Screen;
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end if;
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end if;
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end if;
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PUD.Get_User_Data (Pan, U2); -- get the user data
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pragma Assert (U1.all = U2.all and then U1 = U2);
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return Result;
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end My_Driver;
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begin
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if (1 + Item_Count (M)) /= Itm'Length then
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raise Constraint_Error;
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end if;
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if not Has_Mouse then
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declare
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O : Item_Option_Set;
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begin
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Get_Options (Itm (2), O);
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O.Selectable := False;
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Set_Options (Itm (2), O);
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end;
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end if;
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Push_Environment ("CURSES00");
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Notepad ("CURSES-PAD00");
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Default_Labels;
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Refresh_Soft_Label_Keys_Without_Update;
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Mh.Drive_Me (M, " Demo ");
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Pop_Environment;
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Delete (M);
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Free (Itm, True);
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end Demo;
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end Sample.Curses_Demo;
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