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Diffstat (limited to 'ncurses-5.3/Ada95/samples/sample-curses_demo.adb')
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diff --git a/ncurses-5.3/Ada95/samples/sample-curses_demo.adb b/ncurses-5.3/Ada95/samples/sample-curses_demo.adb new file mode 100644 index 0000000..483c8da --- /dev/null +++ b/ncurses-5.3/Ada95/samples/sample-curses_demo.adb @@ -0,0 +1,143 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT ncurses Binding Samples -- +-- -- +-- Sample.Curses_Demo -- +-- -- +-- B O D Y -- +-- -- +------------------------------------------------------------------------------ +-- Copyright (c) 1998 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 +-- Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en +-- Version Control +-- $Revision$ +-- 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 : 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; |