X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=Ada95%2Fgen%2Fterminal_interface-curses-menus.ads.m4;h=0ad9c456dbda78c1201fe03923487c287527401b;hp=2c1c42f1d4bde74c1281076cf2ec7b1d046335b5;hb=aefc1659d732acf7e62c0c78a443d6d8352a3c6e;hpb=3a9b6a3bf0269231bef7de74757a910dedd04e0c diff --git a/Ada95/gen/terminal_interface-curses-menus.ads.m4 b/Ada95/gen/terminal_interface-curses-menus.ads.m4 index 2c1c42f1..0ad9c456 100644 --- a/Ada95/gen/terminal_interface-curses-menus.ads.m4 +++ b/Ada95/gen/terminal_interface-curses-menus.ads.m4 @@ -1,5 +1,5 @@ -- -*- ada -*- -define(`HTMLNAME',`terminal_interface-curses-menus_s.html')dnl +define(`HTMLNAME',`terminal_interface-curses-menus__ads.htm')dnl include(M4MACRO)dnl ------------------------------------------------------------------------------ -- -- @@ -9,33 +9,45 @@ include(M4MACRO)dnl -- -- -- S P E C -- -- -- --- Version 00.92 -- +------------------------------------------------------------------------------ +-- Copyright (c) 1998-2009,2014 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 ncurses Ada95 binding is copyrighted 1996 by -- --- Juergen Pfeifer, Email: Juergen.Pfeifer@T-Online.de -- +-- The above copyright notice and this permission notice shall be included -- +-- in all copies or substantial portions of the Software. -- -- -- --- Permission is hereby granted to reproduce and distribute this -- --- binding by any means and for any fee, whether alone or as part -- --- of a larger distribution, in source or in binary form, PROVIDED -- --- this notice is included with any such distribution, and is not -- --- removed from any of its header files. Mention of ncurses and the -- --- author of this binding in any applications linked with it is -- --- highly appreciated. -- +-- 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. -- -- -- --- This binding comes AS IS with no warranty, implied or expressed. -- +-- 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: 1.7 $ +-- $Revision: 1.31 $ +-- $Date: 2014/05/24 21:31:57 $ +-- Binding Version 01.00 ------------------------------------------------------------------------------ -include(`Menu_Base_Defs') with System; -with Interfaces.C; with Ada.Characters.Latin_1; package Terminal_Interface.Curses.Menus is - -include(`Menu_Linker_Options') - + pragma Preelaborate (Terminal_Interface.Curses.Menus); + pragma Linker_Options ("-lmenu" & Curses_Constants.DFT_ARG_SUFFIX); Space : Character renames Ada.Characters.Latin_1.Space; @@ -89,9 +101,12 @@ include(`Menu_Linker_Options') REQ_NEXT_MATCH : Menu_Request_Code renames M_Next_Match; REQ_PREV_MATCH : Menu_Request_Code renames M_Previous_Match; - procedure Request_Name (Key : in Menu_Request_Code; + procedure Request_Name (Key : Menu_Request_Code; Name : out String); + function Request_Name (Key : Menu_Request_Code) return String; + -- Same as function + ------------------ -- Exceptions -- ------------------ @@ -100,19 +115,60 @@ include(`Menu_Linker_Options') -- -- Menu options -- + type Menu_Option_Set is + record + One_Valued : Boolean; + Show_Descriptions : Boolean; + Row_Major_Order : Boolean; + Ignore_Case : Boolean; + Show_Matches : Boolean; + Non_Cyclic : Boolean; + end record; + pragma Convention (C_Pass_By_Copy, Menu_Option_Set); -include(`Menu_Opt_Rep') + for Menu_Option_Set use + record + One_Valued at 0 range Curses_Constants.O_ONEVALUE_First + .. Curses_Constants.O_ONEVALUE_Last; + Show_Descriptions at 0 range Curses_Constants.O_SHOWDESC_First + .. Curses_Constants.O_SHOWDESC_Last; + Row_Major_Order at 0 range Curses_Constants.O_ROWMAJOR_First + .. Curses_Constants.O_ROWMAJOR_Last; + Ignore_Case at 0 range Curses_Constants.O_IGNORECASE_First + .. Curses_Constants.O_IGNORECASE_Last; + Show_Matches at 0 range Curses_Constants.O_SHOWMATCH_First + .. Curses_Constants.O_SHOWMATCH_Last; + Non_Cyclic at 0 range Curses_Constants.O_NONCYCLIC_First + .. Curses_Constants.O_NONCYCLIC_Last; + end record; + pragma Warnings (Off); + for Menu_Option_Set'Size use Curses_Constants.Menu_Options_Size; + pragma Warnings (On); - Default_Menu_Options : Menu_Option_Set; + function Default_Menu_Options return Menu_Option_Set; -- Initial default options for a menu. - + pragma Inline (Default_Menu_Options); -- -- Item options -- -include(`Item_Rep') + type Item_Option_Set is + record + Selectable : Boolean; + end record; + pragma Convention (C_Pass_By_Copy, Item_Option_Set); - Default_Item_Options : Item_Option_Set; + for Item_Option_Set use + record + Selectable at 0 range Curses_Constants.O_SELECTABLE_First + .. Curses_Constants.O_SELECTABLE_Last; + end record; + pragma Warnings (Off); + for Item_Option_Set'Size use Curses_Constants.Item_Options_Size; + pragma Warnings (On); + + function Default_Item_Options return Item_Option_Set; -- Initial default options for an item. + pragma Inline (Default_Item_Options); -- -- Item Array @@ -120,7 +176,13 @@ include(`Item_Rep') type Item_Array is array (Positive range <>) of aliased Item; pragma Convention (C, Item_Array); - type Item_Array_Access is access all Item_Array; + type Item_Array_Access is access Item_Array; + + procedure Free (IA : in out Item_Array_Access; + Free_Items : Boolean := False); + -- Release the memory for an allocated item array + -- If Free_Items is True, call Delete() for all the items in + -- the array. -- MANPAGE(`mitem_new.3x') @@ -128,6 +190,7 @@ include(`Item_Rep') function Create (Name : String; Description : String := "") return Item; -- AKA + -- Not inlined. -- ANCHOR(`new_item()',`New_Item') function New_Item (Name : String; @@ -143,74 +206,94 @@ include(`Item_Rep') -- MANPAGE(`mitem_value.3x') -- ANCHOR(`set_item_value()',`Set_Value') - procedure Set_Value (Itm : in Item; - Value : in Boolean := True); + procedure Set_Value (Itm : Item; + Value : Boolean := True); -- AKA + pragma Inline (Set_Value); -- ANCHOR(`item_value()',`Value') function Value (Itm : Item) return Boolean; -- AKA + pragma Inline (Value); -- MANPAGE(`mitem_visible.3x') -- ANCHOR(`item_visible()',`Visible') function Visible (Itm : Item) return Boolean; -- AKA + pragma Inline (Visible); -- MANPAGE(`mitem_opts.3x') -- ANCHOR(`set_item_opts()',`Set_Options') - procedure Set_Options (Itm : in Item; - Options : in Item_Option_Set); + procedure Set_Options (Itm : Item; + Options : Item_Option_Set); -- AKA + -- An overloaded Set_Options is defined later. Pragma Inline appears there -- ANCHOR(`item_opts_on()',`Switch_Options') - procedure Switch_Options (Itm : in Item; - Options : in Item_Option_Set; + procedure Switch_Options (Itm : Item; + Options : Item_Option_Set; On : Boolean := True); -- AKA -- ALIAS(`item_opts_off()') + -- An overloaded Switch_Options is defined later. + -- Pragma Inline appears there -- ANCHOR(`item_opts()',`Get_Options') - procedure Get_Options (Itm : in Item; + procedure Get_Options (Itm : Item; Options : out Item_Option_Set); -- AKA -- ANCHOR(`item_opts()',`Get_Options') function Get_Options (Itm : Item := Null_Item) return Item_Option_Set; -- AKA + -- An overloaded Get_Options is defined later. Pragma Inline appears there -- MANPAGE(`mitem_name.3x') -- ANCHOR(`item_name()',`Name') - procedure Name (Itm : in Item; + procedure Name (Itm : Item; Name : out String); -- AKA + function Name (Itm : Item) return String; + -- AKA + -- Implemented as function + pragma Inline (Name); -- ANCHOR(`item_description();',`Description') - procedure Description (Itm : in Item; + procedure Description (Itm : Item; Description : out String); -- AKA + function Description (Itm : Item) return String; + -- AKA + -- Implemented as function + pragma Inline (Description); + -- MANPAGE(`mitem_current.3x') -- ANCHOR(`set_current_item()',`Set_Current') - procedure Set_Current (Men : in Menu; - Itm : in Item); + procedure Set_Current (Men : Menu; + Itm : Item); -- AKA + pragma Inline (Set_Current); -- ANCHOR(`current_item()',`Current') function Current (Men : Menu) return Item; -- AKA + pragma Inline (Current); -- ANCHOR(`set_top_row()',`Set_Top_Row') - procedure Set_Top_Row (Men : in Menu; - Line : in Line_Position); + procedure Set_Top_Row (Men : Menu; + Line : Line_Position); -- AKA + pragma Inline (Set_Top_Row); -- ANCHOR(`top_row()',`Top_Row') function Top_Row (Men : Menu) return Line_Position; -- AKA + pragma Inline (Top_Row); -- ANCHOR(`item_index()',`Get_Index') function Get_Index (Itm : Item) return Positive; @@ -218,164 +301,191 @@ include(`Item_Rep') -- Please note that in this binding we start the numbering of items -- with 1. So this is number is one more than you get from the low -- level call. + pragma Inline (Get_Index); -- MANPAGE(`menu_post.3x') -- ANCHOR(`post_menu()',`Post') - procedure Post (Men : in Menu; - Post : in Boolean := True); + procedure Post (Men : Menu; + Post : Boolean := True); -- AKA -- ALIAS(`unpost_menu()') + pragma Inline (Post); -- MANPAGE(`menu_opts.3x') -- ANCHOR(`set_menu_opts()',`Set_Options') - procedure Set_Options (Men : in Menu; - Options : in Menu_Option_Set); + procedure Set_Options (Men : Menu; + Options : Menu_Option_Set); -- AKA + pragma Inline (Set_Options); -- ANCHOR(`menu_opts_on()',`Switch_Options') - procedure Switch_Options (Men : in Menu; - Options : in Menu_Option_Set; + procedure Switch_Options (Men : Menu; + Options : Menu_Option_Set; On : Boolean := True); -- AKA -- ALIAS(`menu_opts_off()') + pragma Inline (Switch_Options); -- ANCHOR(`menu_opts()',`Get_Options') - procedure Get_Options (Men : in Menu; + procedure Get_Options (Men : Menu; Options : out Menu_Option_Set); -- AKA -- ANCHOR(`menu_opts()',`Get_Options') function Get_Options (Men : Menu := Null_Menu) return Menu_Option_Set; -- AKA + pragma Inline (Get_Options); -- MANPAGE(`menu_win.3x') -- ANCHOR(`set_menu_win()',`Set_Window') - procedure Set_Window (Men : in Menu; - Win : in Window); + procedure Set_Window (Men : Menu; + Win : Window); -- AKA + pragma Inline (Set_Window); -- ANCHOR(`menu_win()',`Get_Window') function Get_Window (Men : Menu) return Window; -- AKA + pragma Inline (Get_Window); -- ANCHOR(`set_menu_sub()',`Set_Sub_Window') - procedure Set_Sub_Window (Men : in Menu; - Win : in Window); + procedure Set_Sub_Window (Men : Menu; + Win : Window); -- AKA + pragma Inline (Set_Sub_Window); -- ANCHOR(`menu_sub()',`Get_Sub_Window') function Get_Sub_Window (Men : Menu) return Window; -- AKA + pragma Inline (Get_Sub_Window); -- ANCHOR(`scale_menu()',`Scale') - procedure Scale (Men : in Menu; + procedure Scale (Men : Menu; Lines : out Line_Count; Columns : out Column_Count); -- AKA + pragma Inline (Scale); -- MANPAGE(`menu_cursor.3x') -- ANCHOR(`pos_menu_cursor()',`Position_Cursor') procedure Position_Cursor (Men : Menu); -- AKA + pragma Inline (Position_Cursor); -- MANPAGE(`menu_mark.3x') -- ANCHOR(`set_menu_mark()',`Set_Mark') - procedure Set_Mark (Men : in Menu; - Mark : in String); + procedure Set_Mark (Men : Menu; + Mark : String); -- AKA + pragma Inline (Set_Mark); -- ANCHOR(`menu_mark()',`Mark') - procedure Mark (Men : in Menu; + procedure Mark (Men : Menu; Mark : out String); -- AKA - -- MANPAGE(`menu_attribs.3x') + function Mark (Men : Menu) return String; + -- AKA + -- Implemented as function + pragma Inline (Mark); + + -- MANPAGE(`menu_attributes.3x') -- ANCHOR(`set_menu_fore()',`Set_Foreground') procedure Set_Foreground - (Men : in Menu; - Fore : in Character_Attribute_Set := Normal_Video; - Color : in Color_Pair := Color_Pair'First); + (Men : Menu; + Fore : Character_Attribute_Set := Normal_Video; + Color : Color_Pair := Color_Pair'First); -- AKA + pragma Inline (Set_Foreground); -- ANCHOR(`menu_fore()',`Foreground') - procedure Foreground (Men : in Menu; + procedure Foreground (Men : Menu; Fore : out Character_Attribute_Set); -- AKA -- ANCHOR(`menu_fore()',`Foreground') - procedure Foreground (Men : in Menu; + procedure Foreground (Men : Menu; Fore : out Character_Attribute_Set; Color : out Color_Pair); -- AKA + pragma Inline (Foreground); -- ANCHOR(`set_menu_back()',`Set_Background') procedure Set_Background - (Men : in Menu; - Back : in Character_Attribute_Set := Normal_Video; - Color : in Color_Pair := Color_Pair'First); + (Men : Menu; + Back : Character_Attribute_Set := Normal_Video; + Color : Color_Pair := Color_Pair'First); -- AKA + pragma Inline (Set_Background); -- ANCHOR(`menu_back()',`Background') - procedure Background (Men : in Menu; + procedure Background (Men : Menu; Back : out Character_Attribute_Set); -- AKA -- ANCHOR(`menu_back()',`Background') - procedure Background (Men : in Menu; + procedure Background (Men : Menu; Back : out Character_Attribute_Set; Color : out Color_Pair); -- AKA + pragma Inline (Background); -- ANCHOR(`set_menu_grey()',`Set_Grey') procedure Set_Grey - (Men : in Menu; - Grey : in Character_Attribute_Set := Normal_Video; - Color : in Color_Pair := Color_Pair'First); + (Men : Menu; + Grey : Character_Attribute_Set := Normal_Video; + Color : Color_Pair := Color_Pair'First); -- AKA + pragma Inline (Set_Grey); -- ANCHOR(`menu_grey()',`Grey') - procedure Grey (Men : in Menu; + procedure Grey (Men : Menu; Grey : out Character_Attribute_Set); -- AKA -- ANCHOR(`menu_grey()',`Grey') procedure Grey - (Men : in Menu; + (Men : Menu; Grey : out Character_Attribute_Set; Color : out Color_Pair); -- AKA + pragma Inline (Grey); -- ANCHOR(`set_menu_pad()',`Set_Pad_Character') - procedure Set_Pad_Character (Men : in Menu; - Pad : in Character := Space); + procedure Set_Pad_Character (Men : Menu; + Pad : Character := Space); -- AKA + pragma Inline (Set_Pad_Character); -- ANCHOR(`menu_pad()',`Pad_Character') - procedure Pad_Character (Men : in Menu; + procedure Pad_Character (Men : Menu; Pad : out Character); -- AKA + pragma Inline (Pad_Character); -- MANPAGE(`menu_spacing.3x') -- ANCHOR(`set_menu_spacing()',`Set_Spacing') - procedure Set_Spacing (Men : in Menu; - Descr : in Column_Position := 0; - Row : in Line_Position := 0; - Col : in Column_Position := 0); + procedure Set_Spacing (Men : Menu; + Descr : Column_Position := 0; + Row : Line_Position := 0; + Col : Column_Position := 0); -- AKA + pragma Inline (Set_Spacing); -- ANCHOR(`menu_spacing()',`Spacing') - procedure Spacing (Men : in Menu; + procedure Spacing (Men : Menu; Descr : out Column_Position; Row : out Line_Position; Col : out Column_Position); -- AKA + pragma Inline (Spacing); -- MANPAGE(`menu_pattern.3x') @@ -384,101 +494,125 @@ include(`Item_Rep') Text : String) return Boolean; -- AKA -- Return TRUE if the pattern matches, FALSE otherwise + pragma Inline (Set_Pattern); -- ANCHOR(`menu_pattern()',`Pattern') - procedure Pattern (Men : in Menu; + procedure Pattern (Men : Menu; Text : out String); -- AKA + pragma Inline (Pattern); -- MANPAGE(`menu_format.3x') -- ANCHOR(`set_menu_format()',`Set_Format') - procedure Set_Format (Men : in Menu; - Lines : in Line_Count; - Columns : in Column_Count); - -- AKA + procedure Set_Format (Men : Menu; + Lines : Line_Count; + Columns : Column_Count); + -- Not implemented: 0 argument for Lines or Columns; + -- instead use Format to get the current sizes + -- The default format is 16 rows, 1 column. Calling + -- set_menu_format with a null menu pointer will change this + -- default. A zero row or column argument to set_menu_format + -- is interpreted as a request not to change the current + -- value. + -- AKA + pragma Inline (Set_Format); -- ANCHOR(`menu_format()',`Format') - procedure Format (Men : in Menu; + procedure Format (Men : Menu; Lines : out Line_Count; Columns : out Column_Count); -- AKA + pragma Inline (Format); -- MANPAGE(`menu_hook.3x') - type Menu_Hook_Function is access procedure (Men : in Menu); + type Menu_Hook_Function is access procedure (Men : Menu); pragma Convention (C, Menu_Hook_Function); -- ANCHOR(`set_item_init()',`Set_Item_Init_Hook') - procedure Set_Item_Init_Hook (Men : in Menu; - Proc : in Menu_Hook_Function); + procedure Set_Item_Init_Hook (Men : Menu; + Proc : Menu_Hook_Function); -- AKA + pragma Inline (Set_Item_Init_Hook); -- ANCHOR(`set_item_term()',`Set_Item_Term_Hook') - procedure Set_Item_Term_Hook (Men : in Menu; - Proc : in Menu_Hook_Function); + procedure Set_Item_Term_Hook (Men : Menu; + Proc : Menu_Hook_Function); -- AKA + pragma Inline (Set_Item_Term_Hook); -- ANCHOR(`set_menu_init()',`Set_Menu_Init_Hook') - procedure Set_Menu_Init_Hook (Men : in Menu; - Proc : in Menu_Hook_Function); + procedure Set_Menu_Init_Hook (Men : Menu; + Proc : Menu_Hook_Function); -- AKA + pragma Inline (Set_Menu_Init_Hook); -- ANCHOR(`set_menu_term()',`Set_Menu_Term_Hook') - procedure Set_Menu_Term_Hook (Men : in Menu; - Proc : in Menu_Hook_Function); + procedure Set_Menu_Term_Hook (Men : Menu; + Proc : Menu_Hook_Function); -- AKA + pragma Inline (Set_Menu_Term_Hook); -- ANCHOR(`item_init()',`Get_Item_Init_Hook') function Get_Item_Init_Hook (Men : Menu) return Menu_Hook_Function; -- AKA + pragma Inline (Get_Item_Init_Hook); -- ANCHOR(`item_term()',`Get_Item_Term_Hook') function Get_Item_Term_Hook (Men : Menu) return Menu_Hook_Function; -- AKA + pragma Inline (Get_Item_Term_Hook); -- ANCHOR(`menu_init()',`Get_Menu_Init_Hook') function Get_Menu_Init_Hook (Men : Menu) return Menu_Hook_Function; -- AKA + pragma Inline (Get_Menu_Init_Hook); -- ANCHOR(`menu_term()',`Get_Menu_Term_Hook') function Get_Menu_Term_Hook (Men : Menu) return Menu_Hook_Function; -- AKA + pragma Inline (Get_Menu_Term_Hook); -- MANPAGE(`menu_items.3x') -- ANCHOR(`set_menu_items()',`Redefine') - procedure Redefine (Men : in Menu; - Items : in Item_Array); + procedure Redefine (Men : Menu; + Items : Item_Array_Access); -- AKA - -- With a bit more comfort. You don´t need to terminate the Item_Array - -- with a null entry. This is handled internally in the binding. + pragma Inline (Redefine); - procedure Set_Items (Men : in Menu; - Items : in Item_Array) renames Redefine; + procedure Set_Items (Men : Menu; + Items : Item_Array_Access) renames Redefine; + -- pragma Inline (Set_Items); -- ANCHOR(`menu_items()',`Items') - function Items (Men : Menu) return Item_Array_Access; + function Items (Men : Menu; + Index : Positive) return Item; -- AKA + pragma Inline (Items); -- ANCHOR(`item_count()',`Item_Count') function Item_Count (Men : Menu) return Natural; -- AKA + pragma Inline (Item_Count); -- MANPAGE(`menu_new.3x') -- ANCHOR(`new_menu()',`Create') - function Create (Items : Item_Array) return Menu; + function Create (Items : Item_Array_Access) return Menu; -- AKA + -- Not inlined - function New_Menu (Items : Item_Array) return Menu renames Create; + function New_Menu (Items : Item_Array_Access) return Menu renames Create; -- ANCHOR(`free_menu()',`Delete') procedure Delete (Men : in out Menu); -- AKA -- Reset Men to Null_Menu + -- Not inlined - -- MANPAGE(`menu_new.3x') + -- MANPAGE(`menu_driver.3x') type Driver_Result is (Menu_Ok, Request_Denied, @@ -489,31 +623,16 @@ include(`Item_Rep') function Driver (Men : Menu; Key : Key_Code) return Driver_Result; -- AKA + -- Driver is not inlined + -- ANCHOR(`menu_requestname.3x') + -- Not Implemented: menu_request_name, menu_request_by_name ------------------------------------------------------------------------------- private - type Item is new System.Address; - type Menu is new System.Address; - - Null_Item : constant Item := Item (System.Null_Address); - Null_Menu : constant Menu := Menu (System.Null_Address); - - -- This binding uses the original user pointer mechanism of a menu to store - -- specific informations about a menu. This wrapper record carries this - -- specifics and contains a field to maintain a new user pointer. Please - -- note that you must take this into account if you wan't to use the user - -- pointer mechanism of a menu created with this binding in low-level C - -- routines. - type Ada_User_Wrapper is - record - U : System.Address; - I : Item_Array_Access; - end record; - pragma Convention (C, Ada_User_Wrapper); - type Ada_User_Wrapper_Access is access all Ada_User_Wrapper; - pragma Controlled (Ada_User_Wrapper_Access); + type Item is new System.Storage_Elements.Integer_Address; + type Menu is new System.Storage_Elements.Integer_Address; - Generation_Bit_Order : constant System.Bit_Order := System.M4_BIT_ORDER; - -- This constant may be different on your system. + Null_Item : constant Item := 0; + Null_Menu : constant Menu := 0; end Terminal_Interface.Curses.Menus;