------------------------------------------------------------------------------ -- -- -- GNAT ncurses Binding Samples -- -- -- -- Sample -- -- -- -- 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 -- Version Control -- $Revision$ -- Binding Version 01.00 ------------------------------------------------------------------------------ with Text_IO; with Ada.Exceptions; use Ada.Exceptions; with Terminal_Interface.Curses; use Terminal_Interface.Curses; with Terminal_Interface.Curses.Panels; use Terminal_Interface.Curses.Panels; with Terminal_Interface.Curses.Menus; use Terminal_Interface.Curses.Menus; with Terminal_Interface.Curses.Menus.Menu_User_Data; with Terminal_Interface.Curses.Menus.Item_User_Data; with Sample.Manifest; use Sample.Manifest; with Sample.Function_Key_Setting; use Sample.Function_Key_Setting; with Sample.Keyboard_Handler; use Sample.Keyboard_Handler; with Sample.Header_Handler; use Sample.Header_Handler; with Sample.Explanation; use Sample.Explanation; with Sample.Menu_Demo.Handler; with Sample.Curses_Demo; with Sample.Form_Demo; with Sample.Menu_Demo; with Sample.Text_IO_Demo; with GNAT.OS_Lib; package body Sample is type User_Data is record Data : Integer; end record; type User_Access is access User_Data; package Ud is new Terminal_Interface.Curses.Menus.Menu_User_Data (User_Data, User_Access); package Id is new Terminal_Interface.Curses.Menus.Item_User_Data (User_Data, User_Access); procedure Whow is procedure Main_Menu; procedure Main_Menu is function My_Driver (M : Menu; K : Key_Code; Pan : Panel) return Boolean; package Mh is new Sample.Menu_Demo.Handler (My_Driver); I : Item_Array_Access := new Item_Array' (New_Item ("Curses Core Demo"), New_Item ("Menu Demo"), New_Item ("Form Demo"), New_Item ("Text IO Demo"), Null_Item); M : Menu := New_Menu (I); D1, D2 : User_Access; I1, I2 : User_Access; function My_Driver (M : Menu; K : Key_Code; Pan : Panel) return Boolean is Idx : constant Positive := Get_Index (Current (M)); begin if K in User_Key_Code'Range then if K = QUIT then return True; elsif K = SELECT_ITEM then if Idx in 1 .. 4 then Hide (Pan); Update_Panels; end if; case Idx is when 1 => Sample.Curses_Demo.Demo; when 2 => Sample.Menu_Demo.Demo; when 3 => Sample.Form_Demo.Demo; when 4 => Sample.Text_IO_Demo.Demo; when others => null; end case; if Idx in 1 .. 4 then Top (Pan); Show (Pan); Update_Panels; Update_Screen; end if; end if; end if; return False; end My_Driver; begin if (1 + Item_Count (M)) /= I'Length then raise Constraint_Error; end if; D1 := new User_Data'(Data => 4711); Ud.Set_User_Data (M, D1); I1 := new User_Data'(Data => 1174); Id.Set_User_Data (I (1), I1); Set_Spacing (Men => M, Row => 2); Default_Labels; Notepad ("MAINPAD"); Mh.Drive_Me (M, " Demo "); Ud.Get_User_Data (M, D2); pragma Assert (D1 = D2); pragma Assert (D1.Data = D2.Data); Id.Get_User_Data (I (1), I2); pragma Assert (I1 = I2); pragma Assert (I1.Data = I2.Data); Delete (M); Free (I, True); end Main_Menu; begin Initialize (PC_Style_With_Index); Init_Header_Handler; Init_Screen; if Has_Colors then Start_Color; Init_Pair (Pair => Default_Colors, Fore => Black, Back => White); Init_Pair (Pair => Menu_Back_Color, Fore => Black, Back => Cyan); Init_Pair (Pair => Menu_Fore_Color, Fore => Red, Back => Cyan); Init_Pair (Pair => Menu_Grey_Color, Fore => White, Back => Cyan); Init_Pair (Pair => Notepad_Color, Fore => Black, Back => Yellow); Init_Pair (Pair => Help_Color, Fore => Blue, Back => Cyan); Init_Pair (Pair => Form_Back_Color, Fore => Black, Back => Cyan); Init_Pair (Pair => Form_Fore_Color, Fore => Red, Back => Cyan); Init_Pair (Pair => Header_Color, Fore => Black, Back => Green); Set_Background (Ch => (Color => Default_Colors, Attr => Normal_Video, Ch => ' ')); Set_Character_Attributes (Attr => Normal_Video, Color => Default_Colors); Erase; Set_Soft_Label_Key_Attributes (Color => Header_Color); -- This propagates the attributes to the label window Clear_Soft_Label_Keys; Restore_Soft_Label_Keys; end if; Init_Keyboard_Handler; Set_Echo_Mode (False); Set_Raw_Mode; Set_Meta_Mode; Set_KeyPad_Mode; -- Initialize the Function Key Environment -- We have some fixed key throughout this sample Main_Menu; End_Windows; exception when Event : others => Terminal_Interface.Curses.End_Windows; Text_IO.Put ("Exception: "); Text_IO.Put (Exception_Name (Event)); Text_IO.New_Line; GNAT.OS_Lib.OS_Exit (1); end Whow; end Sample;