X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=doc%2Fhtml%2Fada%2Fterminal_interface-curses-forms-field_types-user__adb.htm;h=f51abddba822e6957a688fcb66fa631b48dd1b63;hb=321b81e6b3fa425daddac02420d862100dc3aac8;hp=3e9f1c71e24e62a8dacb32e34dfce5322789f770;hpb=a8987e73ec254703634802b4f7ee30d3a485524d;p=ncurses.git diff --git a/doc/html/ada/terminal_interface-curses-forms-field_types-user__adb.htm b/doc/html/ada/terminal_interface-curses-forms-field_types-user__adb.htm index 3e9f1c71..f51abddb 100644 --- a/doc/html/ada/terminal_interface-curses-forms-field_types-user__adb.htm +++ b/doc/html/ada/terminal_interface-curses-forms-field_types-user__adb.htm @@ -1,137 +1,144 @@ -
------------------------------------------------------------------------------- --- -- --- GNAT ncurses Binding -- --- -- --- Terminal_Interface.Curses.Forms.Field_Types.User -- --- -- --- 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: 1.10 @ --- Binding Version 01.00 ------------------------------------------------------------------------------- -with Ada.Unchecked_Conversion; -with Interfaces.C; -with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux; +------------------------------------------------------------------------------ +-- -- +-- GNAT ncurses Binding -- +-- -- +-- Terminal_Interface.Curses.Forms.Field_Types.User -- +-- -- +-- B O D Y -- +-- -- +------------------------------------------------------------------------------ +-- Copyright (c) 1998-2011,2014 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 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: 1.23 @ +-- @Date: 2014/05/24 21:31:05 @ +-- Binding Version 01.00 +------------------------------------------------------------------------------ +with System.Address_To_Access_Conversions; +with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux; -package body Terminal_Interface.Curses.Forms.Field_Types.User is +package body Terminal_Interface.Curses.Forms.Field_Types.User is - use type Interfaces.C.int; - - procedure Set_Field_Type (Fld : in Field; - Typ : in User_Defined_Field_Type) + procedure Set_Field_Type (Fld : Field; + Typ : User_Defined_Field_Type) is - function Allocate_Arg (T : User_Defined_Field_Type'Class) - return Argument_Access; - - function Set_Fld_Type (F : Field := Fld; - Cft : C_Field_Type := C_Generic_Type; - Arg1 : Argument_Access) - return C_Int; - pragma Import (C, Set_Fld_Type, "set_field_type"); + function Allocate_Arg (T : User_Defined_Field_Type'Class) + return Argument_Access; - Res : Eti_Error; + function Set_Fld_Type (F : Field := Fld; + Cft : C_Field_Type := C_Generic_Type; + Arg1 : Argument_Access) + return Eti_Error; + pragma Import (C, Set_Fld_Type, "set_field_type_user"); - function Allocate_Arg (T : User_Defined_Field_Type'Class) - return Argument_Access + function Allocate_Arg (T : User_Defined_Field_Type'Class) + return Argument_Access is - Ptr : Field_Type_Access := new User_Defined_Field_Type'Class'(T); + Ptr : constant Field_Type_Access + := new User_Defined_Field_Type'Class'(T); begin - return new Argument'(Usr => System.Null_Address, - Typ => Ptr, - Cft => Null_Field_Type); - end Allocate_Arg; + return new Argument'(Usr => System.Null_Address, + Typ => Ptr, + Cft => Null_Field_Type); + end Allocate_Arg; begin - Res := Set_Fld_Type (Arg1 => Allocate_Arg (Typ)); - if Res /= E_Ok then - Eti_Exception (Res); - end if; - end Set_Field_Type; + Eti_Exception (Set_Fld_Type (Arg1 => Allocate_Arg (Typ))); + end Set_Field_Type; - function To_Argument_Access is new Ada.Unchecked_Conversion - (System.Address, Argument_Access); + package Argument_Conversions is + new System.Address_To_Access_Conversions (Argument); - function Generic_Field_Check (Fld : Field; - Usr : System.Address) return C_Int + function Generic_Field_Check (Fld : Field; + Usr : System.Address) return Curses_Bool is - Result : Boolean; - Udf : User_Defined_Field_Type_Access := - User_Defined_Field_Type_Access (To_Argument_Access (Usr).Typ); + Result : Boolean; + Udf : constant User_Defined_Field_Type_Access := + User_Defined_Field_Type_Access + (Argument_Access (Argument_Conversions.To_Pointer (Usr)).all.Typ); begin - Result := Field_Check (Fld, Udf.all); - return C_Int (Boolean'Pos (Result)); - end Generic_Field_Check; + Result := Field_Check (Fld, Udf.all); + return Curses_Bool (Boolean'Pos (Result)); + end Generic_Field_Check; - function Generic_Char_Check (Ch : C_Int; - Usr : System.Address) return C_Int + function Generic_Char_Check (Ch : C_Int; + Usr : System.Address) return Curses_Bool is - Result : Boolean; - Udf : User_Defined_Field_Type_Access := - User_Defined_Field_Type_Access (To_Argument_Access (Usr).Typ); + Result : Boolean; + Udf : constant User_Defined_Field_Type_Access := + User_Defined_Field_Type_Access + (Argument_Access (Argument_Conversions.To_Pointer (Usr)).all.Typ); begin - Result := Character_Check (Character'Val (Ch), Udf.all); - return C_Int (Boolean'Pos (Result)); - end Generic_Char_Check; + Result := Character_Check (Character'Val (Ch), Udf.all); + return Curses_Bool (Boolean'Pos (Result)); + end Generic_Char_Check; - -- ----------------------------------------------------------------------- - -- - function C_Generic_Type return C_Field_Type + -- ----------------------------------------------------------------------- + -- + function C_Generic_Type return C_Field_Type is - Res : Eti_Error; - T : C_Field_Type; + Res : Eti_Error; + T : C_Field_Type; begin - if M_Generic_Type = Null_Field_Type then - T := New_Fieldtype (Generic_Field_Check'Access, - Generic_Char_Check'Access); - if T = Null_Field_Type then - raise Form_Exception; + if M_Generic_Type = Null_Field_Type then + T := New_Fieldtype (Generic_Field_Check'Access, + Generic_Char_Check'Access); + if T = Null_Field_Type then + raise Form_Exception; else - Res := Set_Fieldtype_Arg (T, - Make_Arg'Access, - Copy_Arg'Access, - Free_Arg'Access); - if Res /= E_Ok then - Eti_Exception (Res); - end if; + Res := Set_Fieldtype_Arg (T, + Make_Arg'Access, + Copy_Arg'Access, + Free_Arg'Access); + Eti_Exception (Res); end if; - M_Generic_Type := T; + M_Generic_Type := T; end if; - pragma Assert (M_Generic_Type /= Null_Field_Type); - return M_Generic_Type; - end C_Generic_Type; + pragma Assert (M_Generic_Type /= Null_Field_Type); + return M_Generic_Type; + end C_Generic_Type; -end Terminal_Interface.Curses.Forms.Field_Types.User; +end Terminal_Interface.Curses.Forms.Field_Types.User;