X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=doc%2Fhtml%2Fada%2Fterminal_interface-curses-forms-field_types__adb.htm;h=35cc0dfc06ecb788a735597cff5cffb4c13d7c27;hb=5d5daf53864fdb666df16c82c3710025cf119e9d;hp=ccf3a7acaa98a59d2b49d3f92c5d58bc32ae8d02;hpb=34d602f272c394e9a980438e636e1ce4d355f83b;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 ccf3a7ac..35cc0dfc 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 +24,8 @@ -- B O D Y -- -- -- ------------------------------------------------------------------------------ --- Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. -- +-- Copyright 2020 Thomas E. Dickey -- +-- Copyright 1999-2011,2014 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 +53,11 @@ ------------------------------------------------------------------------------ -- Author: Juergen Pfeifer, 1996 -- Version Control: --- @Revision: 1.27 @ --- @Date: 2014/05/24 21:31:05 @ +-- @Revision: 1.29 @ +-- @Date: 2020/02/02 23:34:34 @ -- 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 +66,17 @@ -- | 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"); -- | -- |===================================================================== @@ -84,149 +85,150 @@ -- | -- | -- | - 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 := Argument_Access - (Argument_Conversions.To_Pointer (Get_Arg (Fld))); - if Arg = null then - raise Form_Exception; + 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.all.Typ; + 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; - function Set_Fld_Type (F : Field := Fld; - Cf : C_Field_Type := Cft; - Arg1 : Argument_Access) return Eti_Error; + 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 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); + 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.all.Usr := Usr_Arg; + Arg.all.Usr := Usr_Arg; end if; end if; - Eti_Exception (Set_Fld_Type (Arg1 => Arg)); + 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; @@ -234,22 +236,22 @@ -- ----------------------------------------------------------------------- -- - function C_Builtin_Router return C_Field_Type + function C_Builtin_Router return C_Field_Type is - 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 - Eti_Exception (Set_Fieldtype_Arg (T, + 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; @@ -257,30 +259,30 @@ -- ----------------------------------------------------------------------- -- - function C_Choice_Router return C_Field_Type + function C_Choice_Router return C_Field_Type is - 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 - Eti_Exception (Set_Fieldtype_Arg (T, + Eti_Exception (Set_Fieldtype_Arg (T, Make_Arg'Access, Copy_Arg'Access, Free_Arg'Access)); - Eti_Exception (Set_Fieldtype_Choice (T, + 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;