<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML><HEAD><TITLE>terminal_interface-curses-forms-field_types-user-choice.adb</TITLE></HEAD> <BODY> <HR><DIV ALIGN="center"><H1> File : terminal_interface-curses-forms-field_types-user-choice.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.User.Choice --</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) 1998-2004,2006 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: 1.14 @</EM></FONT> <FONT COLOR=green><EM>-- @Date: 2006/06/25 14:24:40 @</EM></FONT> <FONT COLOR=green><EM>-- Binding Version 01.00</EM></FONT> <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT> <b>with</b> Ada.Unchecked_Conversion; <b>with</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C; <b>with</b> <A HREF="terminal_interface__ads.htm#ref_42_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_42_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>package</b> <b>body</b> <A HREF="terminal_interface__ads.htm#ref_42_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_49_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_43_41">Field_Types</A>.<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_43_53">User</A>.<FONT COLOR=red><A NAME="ref_46_63" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_43_58">Choice</A></FONT> <b>is</b> <b>use</b> <b>type</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C.int; <b>pragma</b> Warnings (Off); <b>function</b> To_Argument_Access <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>pragma</b> Warnings (On); <b>function</b> <FONT COLOR=red><A NAME="ref_55_13" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_13">Generic_Next</A></FONT> (<FONT COLOR=red><A NAME="ref_55_27" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_27">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; <FONT COLOR=red><A NAME="ref_56_27" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_83_27">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_48_12">C_Int</A> <b>is</b> <FONT COLOR=red><A NAME="ref_58_7">Result</A></FONT> : Boolean; <FONT COLOR=red><A NAME="ref_59_7">Udf</A></FONT> : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_57_9">User_Defined_Field_Type_With_Choice_Access</A> := <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_57_9">User_Defined_Field_Type_With_Choice_Access</A> (To_Argument_Access (<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_83_27">Usr</A>).<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>); <b>begin</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_58_7">Result</A> := <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_60_13">Next</A> (<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_27">Fld</A>, <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_59_7">Udf</A>.<b>all</b>); <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_48_12">C_Int</A> (Boolean'Pos (<A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_58_7">Result</A>)); <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_13">Generic_Next</A>; <b>function</b> <FONT COLOR=red><A NAME="ref_67_13" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_13">Generic_Prev</A></FONT> (<FONT COLOR=red><A NAME="ref_67_27" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_27">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; <FONT COLOR=red><A NAME="ref_68_27" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_90_27">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_48_12">C_Int</A> <b>is</b> <FONT COLOR=red><A NAME="ref_70_7">Result</A></FONT> : Boolean; <FONT COLOR=red><A NAME="ref_71_7">Udf</A></FONT> : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_57_9">User_Defined_Field_Type_With_Choice_Access</A> := <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_57_9">User_Defined_Field_Type_With_Choice_Access</A> (To_Argument_Access (<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_90_27">Usr</A>).<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>); <b>begin</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_70_7">Result</A> := <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_67_13">Previous</A> (<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_27">Fld</A>, <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_71_7">Udf</A>.<b>all</b>); <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_48_12">C_Int</A> (Boolean'Pos (<A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_70_7">Result</A>)); <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_13">Generic_Prev</A>; <FONT COLOR=green><EM>-- -----------------------------------------------------------------------</EM></FONT> <FONT COLOR=green><EM>--</EM></FONT> <b>function</b> <FONT COLOR=red><A NAME="ref_81_13" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_80_13">C_Generic_Choice</A></FONT> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> <b>is</b> <FONT COLOR=red><A NAME="ref_83_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#ref_78_12">Eti_Error</A>; <FONT COLOR=red><A NAME="ref_84_7">T</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; <b>begin</b> <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_142_4">M_Generic_Choice</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_84_7">T</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_222_13">New_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_83_13">Generic_Field_Check</A>'<b>Access</b>, <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_90_13">Generic_Char_Check</A>'<b>Access</b>); <b>if</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_84_7">T</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b> <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>; <b>else</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_83_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_227_13">Set_Fieldtype_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_84_7">T</A>, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>); <b>if</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_83_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b> <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_83_7">Res</A>); <b>end</b> <b>if</b>; <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_83_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_234_13">Set_Fieldtype_Choice</A> (<A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_84_7">T</A>, <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_13">Generic_Next</A>'<b>Access</b>, <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_13">Generic_Prev</A>'<b>Access</b>); <b>if</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_83_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b> <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_83_7">Res</A>); <b>end</b> <b>if</b>; <b>end</b> <b>if</b>; <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_142_4">M_Generic_Choice</A> := <A HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_84_7">T</A>; <b>end</b> <b>if</b>; <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_142_4">M_Generic_Choice</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>); <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_142_4">M_Generic_Choice</A>; <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_80_13">C_Generic_Choice</A>; <b>end</b> <A HREF="terminal_interface__ads.htm#ref_42_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_49_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_43_41">Field_Types</A>.<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_43_53">User</A>.<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_43_58">Choice</A>; 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