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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><HTML><HEAD><TITLE>terminal_interface-curses-forms-field_types.adb</TITLE></HEAD><BODY><HR><DIV ALIGN="center"><H1> File : terminal_interface-curses-forms-field_types.adb </H1></DIV><HR><PRE><FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- <A HREF="http://www.gnat.com">GNAT</A> ncurses Binding --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- Terminal_Interface.Curses.Forms.Field_Types --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- B O D Y --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT><FONT COLOR=green><EM>-- Copyright (c) 1998,2004 Free Software Foundation, Inc. --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- Permission is hereby granted, free of charge, to any person obtaining a --</EM></FONT><FONT COLOR=green><EM>-- copy of this software and associated documentation files (the --</EM></FONT><FONT COLOR=green><EM>-- "Software"), to deal in the Software without restriction, including --</EM></FONT><FONT COLOR=green><EM>-- without limitation the rights to use, copy, modify, merge, publish, --</EM></FONT><FONT COLOR=green><EM>-- distribute, distribute with modifications, sublicense, and/or sell --</EM></FONT><FONT COLOR=green><EM>-- copies of the Software, and to permit persons to whom the Software is --</EM></FONT><FONT COLOR=green><EM>-- furnished to do so, subject to the following conditions: --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- The above copyright notice and this permission notice shall be included --</EM></FONT><FONT COLOR=green><EM>-- in all copies or substantial portions of the Software. --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</EM></FONT><FONT COLOR=green><EM>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</EM></FONT><FONT COLOR=green><EM>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</EM></FONT><FONT COLOR=green><EM>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</EM></FONT><FONT COLOR=green><EM>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</EM></FONT><FONT COLOR=green><EM>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</EM></FONT><FONT COLOR=green><EM>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</EM></FONT><FONT COLOR=green><EM>-- --</EM></FONT><FONT COLOR=green><EM>-- Except as contained in this notice, the name(s) of the above copyright --</EM></FONT><FONT COLOR=green><EM>-- holders shall not be used in advertising or otherwise to promote the --</EM></FONT><FONT COLOR=green><EM>-- sale, use or other dealings in this Software without prior written --</EM></FONT><FONT COLOR=green><EM>-- authorization. --</EM></FONT><FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT><FONT COLOR=green><EM>-- Author: Juergen Pfeifer, 1996</EM></FONT><FONT COLOR=green><EM>-- Version Control:</EM></FONT><FONT COLOR=green><EM>-- @Revision: 1.17 @</EM></FONT><FONT COLOR=green><EM>-- @Date: 2004/08/21 21:37:00 @</EM></FONT><FONT COLOR=green><EM>-- Binding Version 01.00</EM></FONT><FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT><b>with</b> <A HREF="interfac__ads.htm#ref_23_9">Interfaces</A>.C;<b>with</b> <A HREF="terminal_interface__ads.htm#ref_41_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#ref_50_35">Aux</A>; <b>use</b> <A HREF="terminal_interface__ads.htm#ref_41_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#ref_50_35">Aux</A>;<b>with</b> Ada.Unchecked_Deallocation;<b>with</b> Ada.Unchecked_Conversion;<FONT COLOR=green><EM>-- |</EM></FONT><FONT COLOR=green><EM>-- |=====================================================================</EM></FONT><FONT COLOR=green><EM>-- | man page form_fieldtype.3x</EM></FONT><FONT COLOR=green><EM>-- |=====================================================================</EM></FONT><FONT COLOR=green><EM>-- |</EM></FONT><b>package</b> <b>body</b> <A HREF="terminal_interface__ads.htm#ref_41_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_48_35">Forms</A>.<FONT COLOR=red><A NAME="ref_51_46" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_43_41">Field_Types</A></FONT> <b>is</b> <b>use</b> <b>type</b> <A HREF="interfac__ads.htm#ref_23_9">Interfaces</A>.C.int; <b>use</b> <b>type</b> System.Address; <b>function</b> <FONT COLOR=red><A NAME="ref_56_13">To_Argument_Access</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Conversion (System.Address, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>); <b>function</b> <FONT COLOR=red><A NAME="ref_59_13">Get_Fieldtype</A></FONT> (<FONT COLOR=red><A NAME="ref_59_28">F</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_59_13">Get_Fieldtype</A>, "field_type"); <b>function</b> <FONT COLOR=red><A NAME="ref_62_13">Get_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_62_22">F</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>) <b>return</b> System.Address; <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_62_13">Get_Arg</A>, "field_arg"); <FONT COLOR=green><EM>-- |</EM></FONT> <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT> <FONT COLOR=green><EM>-- | man page form_field_validation.3x</EM></FONT> <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT> <FONT COLOR=green><EM>-- |</EM></FONT> <FONT COLOR=green><EM>-- |</EM></FONT> <FONT COLOR=green><EM>-- |</EM></FONT> <b>function</b> <FONT COLOR=red><A NAME="ref_71_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_13">Get_Type</A></FONT> (<FONT COLOR=red><A NAME="ref_71_23" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_23">Fld</A></FONT> : <b>in</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_63_9">Field_Type_Access</A> <b>is</b> <FONT COLOR=red><A NAME="ref_73_7">Low_Level</A></FONT> : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_59_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_23">Fld</A>); <FONT COLOR=red><A NAME="ref_74_7">Arg</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>; <b>begin</b> <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b> <b>return</b> <b>null</b>; <b>else</b> <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Builtin_Router</A> <b>or</b> <b>else</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_141_4">M_Generic_Type</A> <b>or</b> <b>else</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Choice_Router</A> <b>or</b> <b>else</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_142_4">M_Generic_Choice</A> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_74_7">Arg</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_56_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_62_13">Get_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_23">Fld</A>)); <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_74_7">Arg</A> = <b>null</b> <b>then</b> <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>; <b>else</b> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_74_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>; <b>end</b> <b>if</b>; <b>else</b> <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>; <b>end</b> <b>if</b>; <b>end</b> <b>if</b>; <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_13">Get_Type</A>; <b>function</b> <FONT COLOR=red><A NAME="ref_95_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_95_23" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_23">Args</A></FONT> : System.Address) <b>return</b> System.Address <b>is</b> <FONT COLOR=green><EM>-- Actually args is a double indirected pointer to the arguments</EM></FONT>⌨️ 快捷键说明
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