X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fada%2Fterminal_interface-curses-forms-field_types__adb.htm;h=2a48f9c5410c30fecd90b42147efee6478acbd45;hp=21606641c4be75f5d97e204ed14b38260b86cc1d;hb=2b635f090ec43c82958cef9369464aee4dd8975f;hpb=9776951416d7fb862b9dca1f4c9f8031a5c9059b 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 21606641..2a48f9c5 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 @@ -40,31 +40,30 @@ ------------------------------------------------------------------------------ -- Author: Juergen Pfeifer, 1996 -- Version Control: --- @Revision: 1.22 @ --- @Date: 2011/03/08 01:16:49 @ +-- @Revision: 1.25 @ +-- @Date: 2011/03/22 23:22:27 @ -- Binding Version 01.00 ------------------------------------------------------------------------------ with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux; with Ada.Unchecked_Deallocation; -with Ada.Unchecked_Conversion; +with System.Address_To_Access_Conversions; + -- | -- |===================================================================== -- | 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; - pragma Warnings (Off); - function To_Argument_Access is new Ada.Unchecked_Conversion - (System.Address, Argument_Access); - pragma Warnings (On); + 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"); -- | -- |===================================================================== @@ -73,23 +72,24 @@ -- | -- | -- | - 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; + Low_Level : constant C_Field_Type := Get_Fieldtype (Fld); + Arg : Argument_Access; begin - if Low_Level = Null_Field_Type then + if Low_Level = Null_Field_Type then 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 - Arg := To_Argument_Access (Get_Arg (Fld)); - if Arg = null then + 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 + Arg := Argument_Access + (Argument_Conversions.To_Pointer (Get_Arg (Fld))); + if Arg = null then raise Form_Exception; else - return Arg.Typ; + return Arg.all.Typ; end if; else raise Form_Exception; @@ -110,110 +110,115 @@ procedure Freeargs is new Ada.Unchecked_Deallocation (Argument, Argument_Access); - To_Be_Free : Argument_Access := To_Argument_Access (Usr); - Low_Level : C_Field_Type; + To_Be_Free : Argument_Access + := Argument_Access (Argument_Conversions.To_Pointer (Usr)); + Low_Level : C_Field_Type; begin if To_Be_Free /= null then - if To_Be_Free.Usr /= System.Null_Address then - Low_Level := To_Be_Free.Cft; - if Low_Level.Freearg /= null then - Low_Level.Freearg (To_Be_Free.Usr); + 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.Typ /= null then - Free_Type (To_Be_Free.Typ); + if To_Be_Free.all.Typ /= null then + Free_Type (To_Be_Free.all.Typ); end if; 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; - Cf : C_Field_Type := Cft; - Arg1 : Argument_Access) return C_Int; + 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; + Cf : C_Field_Type := Cft; + Arg1 : Argument_Access) return C_Int; 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; 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.Copyarg /= null then - Arg.Usr := Low_Level.Copyarg (Usr_Arg); + 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); else - Arg.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); + Res := Set_Fld_Type (Arg1 => Arg); + if Res /= E_Ok then + Eti_Exception (Res); end if; 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 := To_Argument_Access (Usr); + Arg : constant Argument_Access + := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type - and then Arg.Typ /= null); - if Arg.Cft.Fcheck /= null then - return Arg.Cft.Fcheck (Fld, Arg.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 := To_Argument_Access (Usr); + Arg : constant Argument_Access + := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type - and then Arg.Typ /= null); - if Arg.Cft.Ccheck /= null then - return Arg.Cft.Ccheck (Ch, Arg.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 := To_Argument_Access (Usr); + Arg : constant Argument_Access + := Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type - and then Arg.Typ /= null); - if Arg.Cft.Next /= null then - return Arg.Cft.Next (Fld, Arg.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 := To_Argument_Access (Usr); + Arg : constant Argument_Access := + Argument_Access (Argument_Conversions.To_Pointer (Usr)); begin - pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type - and then Arg.Typ /= null); - if Arg.Cft.Prev /= null then - return Arg.Cft.Prev (Fld, Arg.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; @@ -221,26 +226,26 @@ -- ----------------------------------------------------------------------- -- - function C_Builtin_Router return C_Field_Type + function C_Builtin_Router return C_Field_Type is - Res : Eti_Error; - T : C_Field_Type; + Res : Eti_Error; + 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 + if T = Null_Field_Type then raise Form_Exception; else - Res := Set_Fieldtype_Arg (T, + Res := Set_Fieldtype_Arg (T, Make_Arg'Access, Copy_Arg'Access, Free_Arg'Access); - if Res /= E_Ok then - Eti_Exception (Res); + if Res /= E_Ok then + Eti_Exception (Res); end if; end if; - M_Builtin_Router := T; + M_Builtin_Router := T; end if; pragma Assert (M_Builtin_Router /= Null_Field_Type); return M_Builtin_Router; @@ -248,33 +253,33 @@ -- ----------------------------------------------------------------------- -- - function C_Choice_Router return C_Field_Type + function C_Choice_Router return C_Field_Type is - Res : Eti_Error; - T : C_Field_Type; + Res : Eti_Error; + 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 + if T = Null_Field_Type then raise Form_Exception; else - Res := Set_Fieldtype_Arg (T, + Res := Set_Fieldtype_Arg (T, Make_Arg'Access, Copy_Arg'Access, Free_Arg'Access); - if Res /= E_Ok then - Eti_Exception (Res); + if Res /= E_Ok then + Eti_Exception (Res); end if; - Res := Set_Fieldtype_Choice (T, + Res := Set_Fieldtype_Choice (T, Next_Router'Access, Prev_Router'Access); - if Res /= E_Ok then - Eti_Exception (Res); + if Res /= E_Ok then + Eti_Exception (Res); end if; end if; - M_Choice_Router := T; + M_Choice_Router := T; end if; pragma Assert (M_Choice_Router /= Null_Field_Type); return M_Choice_Router;