| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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; |
