X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=doc%2Fhtml%2Fada%2Fterminal_interface-curses-forms-field_types__adb.htm;h=51f90d80306834186c7ad1a7fd79423a27e99985;hb=97cb42f22c43eb31a4bf11475bd73ab0e0b10923;hp=e12eab6b3d7cfe981a8cce6f4ae6dbcdc07b4e8f;hpb=761e4f0825b330e970558e82a4bd638383914429;p=ncurses.git diff --git a/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm b/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm index e12eab6b..51f90d80 100644 --- a/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm +++ b/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm @@ -24,7 +24,7 @@ -- B O D Y -- -- -- ------------------------------------------------------------------------------ --- Copyright (c) 1998-2009,2011 Free Software Foundation, Inc. -- +-- 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 -- @@ -52,11 +52,11 @@ ------------------------------------------------------------------------------ -- Author: Juergen Pfeifer, 1996 -- Version Control: --- @Revision: 1.25 @ --- @Date: 2011/03/22 23:22:27 @ +-- @Revision: 1.28 @ +-- @Date: 2014/09/13 19:00:47 @ -- Binding Version 01.00 ------------------------------------------------------------------------------ -with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux; +with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux; with Ada.Unchecked_Deallocation; with System.Address_To_Access_Conversions; @@ -65,17 +65,17 @@ -- | man page form_fieldtype.3x -- |===================================================================== -- | -package body Terminal_Interface.Curses.Forms.Field_Types is +package body Terminal_Interface.Curses.Forms.Field_Types is use type System.Address; package Argument_Conversions is new System.Address_To_Access_Conversions (Argument); - function Get_Fieldtype (F : Field) return C_Field_Type; + function Get_Fieldtype (F : Field) return C_Field_Type; pragma Import (C, Get_Fieldtype, "field_type"); - function Get_Arg (F : Field) return System.Address; + function Get_Arg (F : Field) return System.Address; pragma Import (C, Get_Arg, "field_arg"); -- | -- |===================================================================== @@ -84,7 +84,7 @@ -- | -- | -- | - function Get_Type (Fld : Field) return Field_Type_Access + function Get_Type (Fld : Field) return Field_Type_Access is Low_Level : constant C_Field_Type := Get_Fieldtype (Fld); Arg : Argument_Access; @@ -93,144 +93,141 @@ return null; else if Low_Level = M_Builtin_Router or else - Low_Level = M_Generic_Type or else - Low_Level = M_Choice_Router or else - Low_Level = M_Generic_Choice then + Low_Level = M_Generic_Type or else + Low_Level = M_Choice_Router or else + Low_Level = M_Generic_Choice + then Arg := Argument_Access (Argument_Conversions.To_Pointer (Get_Arg (Fld))); if Arg = null then - raise Form_Exception; + raise Form_Exception; else return Arg.all.Typ; end if; else - raise Form_Exception; + raise Form_Exception; end if; end if; end Get_Type; - function Copy_Arg (Usr : System.Address) return System.Address + function Copy_Arg (Usr : System.Address) return System.Address is begin return Usr; end Copy_Arg; - procedure Free_Arg (Usr : System.Address) + procedure Free_Arg (Usr : System.Address) is procedure Free_Type is new Ada.Unchecked_Deallocation (Field_Type'Class, Field_Type_Access); procedure Freeargs is new Ada.Unchecked_Deallocation (Argument, Argument_Access); - To_Be_Free : Argument_Access + To_Be_Free : Argument_Access := Argument_Access (Argument_Conversions.To_Pointer (Usr)); - Low_Level : C_Field_Type; + Low_Level : C_Field_Type; begin - if To_Be_Free /= null then - if To_Be_Free.all.Usr /= System.Null_Address then - Low_Level := To_Be_Free.all.Cft; - if Low_Level.all.Freearg /= null then - Low_Level.all.Freearg (To_Be_Free.all.Usr); + if To_Be_Free /= null then + if To_Be_Free.all.Usr /= System.Null_Address then + Low_Level := To_Be_Free.all.Cft; + if Low_Level.all.Freearg /= null then + Low_Level.all.Freearg (To_Be_Free.all.Usr); end if; end if; - if To_Be_Free.all.Typ /= null then - Free_Type (To_Be_Free.all.Typ); + if To_Be_Free.all.Typ /= null then + Free_Type (To_Be_Free.all.Typ); end if; - Freeargs (To_Be_Free); + Freeargs (To_Be_Free); end if; end Free_Arg; - procedure Wrap_Builtin (Fld : Field; - Typ : Field_Type'Class; - Cft : C_Field_Type := C_Builtin_Router) + procedure Wrap_Builtin (Fld : Field; + Typ : Field_Type'Class; + Cft : C_Field_Type := C_Builtin_Router) is - Usr_Arg : constant System.Address := Get_Arg (Fld); - Low_Level : constant C_Field_Type := Get_Fieldtype (Fld); - Arg : Argument_Access; - Res : Eti_Error; - function Set_Fld_Type (F : Field := Fld; + Usr_Arg : constant System.Address := Get_Arg (Fld); + Low_Level : constant C_Field_Type := Get_Fieldtype (Fld); + Arg : Argument_Access; + function Set_Fld_Type (F : Field := Fld; Cf : C_Field_Type := Cft; - Arg1 : Argument_Access) return C_Int; + Arg1 : Argument_Access) return Eti_Error; pragma Import (C, Set_Fld_Type, "set_field_type_user"); begin - pragma Assert (Low_Level /= Null_Field_Type); + pragma Assert (Low_Level /= Null_Field_Type); if Cft /= C_Builtin_Router and then Cft /= C_Choice_Router then - raise Form_Exception; + raise Form_Exception; else - Arg := new Argument'(Usr => System.Null_Address, + Arg := new Argument'(Usr => System.Null_Address, Typ => new Field_Type'Class'(Typ), Cft => Get_Fieldtype (Fld)); - if Usr_Arg /= System.Null_Address then - if Low_Level.all.Copyarg /= null then - Arg.all.Usr := Low_Level.all.Copyarg (Usr_Arg); + if Usr_Arg /= System.Null_Address then + if Low_Level.all.Copyarg /= null then + Arg.all.Usr := Low_Level.all.Copyarg (Usr_Arg); else - Arg.all.Usr := Usr_Arg; + Arg.all.Usr := Usr_Arg; end if; end if; - Res := Set_Fld_Type (Arg1 => Arg); - if Res /= E_Ok then - Eti_Exception (Res); - end if; + Eti_Exception (Set_Fld_Type (Arg1 => Arg)); end if; end Wrap_Builtin; - function Field_Check_Router (Fld : Field; - Usr : System.Address) return Curses_Bool + function Field_Check_Router (Fld : Field; + Usr : System.Address) return Curses_Bool is - Arg : constant Argument_Access + Arg : constant Argument_Access := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type - and then Arg.all.Typ /= null); - if Arg.all.Cft.all.Fcheck /= null then - return Arg.all.Cft.all.Fcheck (Fld, Arg.all.Usr); + pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type + and then Arg.all.Typ /= null); + if Arg.all.Cft.all.Fcheck /= null then + return Arg.all.Cft.all.Fcheck (Fld, Arg.all.Usr); else return 1; end if; end Field_Check_Router; - function Char_Check_Router (Ch : C_Int; - Usr : System.Address) return Curses_Bool + function Char_Check_Router (Ch : C_Int; + Usr : System.Address) return Curses_Bool is - Arg : constant Argument_Access + Arg : constant Argument_Access := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type - and then Arg.all.Typ /= null); - if Arg.all.Cft.all.Ccheck /= null then - return Arg.all.Cft.all.Ccheck (Ch, Arg.all.Usr); + pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type + and then Arg.all.Typ /= null); + if Arg.all.Cft.all.Ccheck /= null then + return Arg.all.Cft.all.Ccheck (Ch, Arg.all.Usr); else return 1; end if; end Char_Check_Router; - function Next_Router (Fld : Field; - Usr : System.Address) return Curses_Bool + function Next_Router (Fld : Field; + Usr : System.Address) return Curses_Bool is - Arg : constant Argument_Access + Arg : constant Argument_Access := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type - and then Arg.all.Typ /= null); - if Arg.all.Cft.all.Next /= null then - return Arg.all.Cft.all.Next (Fld, Arg.all.Usr); + pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type + and then Arg.all.Typ /= null); + if Arg.all.Cft.all.Next /= null then + return Arg.all.Cft.all.Next (Fld, Arg.all.Usr); else return 1; end if; end Next_Router; - function Prev_Router (Fld : Field; - Usr : System.Address) return Curses_Bool + function Prev_Router (Fld : Field; + Usr : System.Address) return Curses_Bool is - Arg : constant Argument_Access := + Arg : constant Argument_Access := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type - and then Arg.all.Typ /= null); - if Arg.all.Cft.all.Prev /= null then - return Arg.all.Cft.all.Prev (Fld, Arg.all.Usr); + pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type + and then Arg.all.Typ /= null); + if Arg.all.Cft.all.Prev /= null then + return Arg.all.Cft.all.Prev (Fld, Arg.all.Usr); else return 1; end if; @@ -238,26 +235,22 @@ -- ----------------------------------------------------------------------- -- - function C_Builtin_Router return C_Field_Type + function C_Builtin_Router return C_Field_Type is - Res : Eti_Error; - T : C_Field_Type; + T : C_Field_Type; begin if M_Builtin_Router = Null_Field_Type then - T := New_Fieldtype (Field_Check_Router'Access, + T := New_Fieldtype (Field_Check_Router'Access, Char_Check_Router'Access); - if T = Null_Field_Type then - raise Form_Exception; + 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; + Eti_Exception (Set_Fieldtype_Arg (T, + Make_Arg'Access, + Copy_Arg'Access, + Free_Arg'Access)); end if; - M_Builtin_Router := T; + M_Builtin_Router := T; end if; pragma Assert (M_Builtin_Router /= Null_Field_Type); return M_Builtin_Router; @@ -265,37 +258,30 @@ -- ----------------------------------------------------------------------- -- - function C_Choice_Router return C_Field_Type + function C_Choice_Router return C_Field_Type is - Res : Eti_Error; - T : C_Field_Type; + T : C_Field_Type; begin if M_Choice_Router = Null_Field_Type then - T := New_Fieldtype (Field_Check_Router'Access, + T := New_Fieldtype (Field_Check_Router'Access, Char_Check_Router'Access); - if T = Null_Field_Type then - raise Form_Exception; + 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; + Eti_Exception (Set_Fieldtype_Arg (T, + Make_Arg'Access, + Copy_Arg'Access, + Free_Arg'Access)); - Res := Set_Fieldtype_Choice (T, - Next_Router'Access, - Prev_Router'Access); - if Res /= E_Ok then - Eti_Exception (Res); - end if; + Eti_Exception (Set_Fieldtype_Choice (T, + Next_Router'Access, + Prev_Router'Access)); end if; - M_Choice_Router := T; + M_Choice_Router := T; end if; pragma Assert (M_Choice_Router /= Null_Field_Type); return M_Choice_Router; end C_Choice_Router; -end Terminal_Interface.Curses.Forms.Field_Types; +end Terminal_Interface.Curses.Forms.Field_Types;