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<HR><DIV style="text-align:center"><H1> File : terminal_interface-curses-forms-field_types-user-choice.ads </H1></DIV><HR>
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<span class="comment"><EM>------------------------------------------------------------------------------</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- <A HREF="http://www.gnat.com">GNAT</A> ncurses Binding --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- Terminal_Interface.Curses.Forms.Field_Types.User.Choice --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- S P E C --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>------------------------------------------------------------------------------</EM></span>
<span class="comment"><EM>-- Copyright (c) 1998-2008,2011 Free Software Foundation, Inc. --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- Permission is hereby granted, free of charge, to any person obtaining a --</EM></span>
<span class="comment"><EM>-- copy of this software and associated documentation files (the --</EM></span>
<span class="comment"><EM>-- "Software"), to deal in the Software without restriction, including --</EM></span>
<span class="comment"><EM>-- without limitation the rights to use, copy, modify, merge, publish, --</EM></span>
<span class="comment"><EM>-- distribute, distribute with modifications, sublicense, and/or sell --</EM></span>
<span class="comment"><EM>-- copies of the Software, and to permit persons to whom the Software is --</EM></span>
<span class="comment"><EM>-- furnished to do so, subject to the following conditions: --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- The above copyright notice and this permission notice shall be included --</EM></span>
<span class="comment"><EM>-- in all copies or substantial portions of the Software. --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</EM></span>
<span class="comment"><EM>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</EM></span>
<span class="comment"><EM>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</EM></span>
<span class="comment"><EM>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</EM></span>
<span class="comment"><EM>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</EM></span>
<span class="comment"><EM>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</EM></span>
<span class="comment"><EM>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</EM></span>
<span class="comment"><EM>-- --</EM></span>
<span class="comment"><EM>-- Except as contained in this notice, the name(s) of the above copyright --</EM></span>
<span class="comment"><EM>-- holders shall not be used in advertising or otherwise to promote the --</EM></span>
<span class="comment"><EM>-- sale, use or other dealings in this Software without prior written --</EM></span>
<span class="comment"><EM>-- authorization. --</EM></span>
<span class="comment"><EM>------------------------------------------------------------------------------</EM></span>
<span class="comment"><EM>-- Author: Juergen Pfeifer, 1996</EM></span>
<span class="comment"><EM>-- Version Control:</EM></span>
<span class="comment"><EM>-- @Revision: 1.14 @</EM></span>
<span class="comment"><EM>-- @Date: 2011/03/19 12:27:47 @</EM></span>
<span class="comment"><EM>-- Binding Version 01.00</EM></span>
<span class="comment"><EM>------------------------------------------------------------------------------</EM></span>
<b>with</b> <A HREF="interfac__ads.htm#ref_36_9">Interfaces</A>.C;
<b>package</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_45_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_44_41">Field_Types</A>.<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_44_53">User</A>.<span class="symbol"><A NAME="ref_44_58" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_45_63">Choice</A></span> <b>is</b>
<b>pragma</b> Preelaborate
(<A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_45_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_44_41">Field_Types</A>.<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_44_53">User</A>.<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_44_58">Choice</A>);
<b>subtype</b> <span class="symbol"><A NAME="ref_48_12">C_Int</A></span> <b>is</b> <A HREF="interfac__ads.htm#ref_36_9">Interfaces</A>.C.int;
<b>type</b> <span class="symbol"><A NAME="ref_50_9">User_Defined_Field_Type_With_Choice</A></span> <b>is</b> <b>abstract</b> <b>new</b>
<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_48_9">User_Defined_Field_Type</A> <b>with</b> <b>null</b> <b>record</b>;
<span class="comment"><EM>-- This is the root of the mechanism we use to create field types in</EM></span>
<span class="comment"><EM>-- Ada95 that allow the prev/next mechanism. You should your own type</EM></span>
<span class="comment"><EM>-- derive from this one and implement the Field_Check, Character_Check</EM></span>
<span class="comment"><EM>-- Next and Previous functions for your own type.</EM></span>
<b>type</b> <span class="symbol"><A NAME="ref_57_9">User_Defined_Field_Type_With_Choice_Access</A></span> <b>is</b> <b>access</b> <b>all</b>
<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_50_9">User_Defined_Field_Type_With_Choice</A>'Class;
<b>function</b> <span class="symbol"><A NAME="ref_60_13">Next</A></span>
(<span class="symbol"><A NAME="ref_61_7" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_60_13">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
<span class="symbol"><A NAME="ref_62_7" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_60_13">Typ</A></span> : <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_50_9">User_Defined_Field_Type_With_Choice</A>) <b>return</b> Boolean
<b>is</b> <b>abstract</b>;
<span class="comment"><EM>-- If True is returned, the function successfully generated a next</EM></span>
<span class="comment"><EM>-- value into the fields buffer.</EM></span>
<b>function</b> <span class="symbol"><A NAME="ref_67_13">Previous</A></span>
(<span class="symbol"><A NAME="ref_68_7" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_67_13">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
<span class="symbol"><A NAME="ref_69_7" HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_67_13">Typ</A></span> : <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_50_9">User_Defined_Field_Type_With_Choice</A>) <b>return</b> Boolean
<b>is</b> <b>abstract</b>;
<span class="comment"><EM>-- If True is returned, the function successfully generated a previous</EM></span>
<span class="comment"><EM>-- value into the fields buffer.</EM></span>
<span class="comment"><EM>-- +----------------------------------------------------------------------</EM></span>
<span class="comment"><EM>-- | Private Part.</EM></span>
<span class="comment"><EM>-- |</EM></span>
<b>private</b>
<b>function</b> <span class="symbol"><A NAME="ref_78_13" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_76_13">C_Generic_Choice</A></span> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</A>;
<b>function</b> <span class="symbol"><A NAME="ref_80_13" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_50_13">Generic_Next</A></span> (<span class="symbol"><A NAME="ref_80_27" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_50_27">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
<span class="symbol"><A NAME="ref_81_27" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_51_27">Usr</A></span> : System.Address) <b>return</b> <A HREF="terminal_interface-curses__ads.htm#ref_2098_9">Curses_Bool</A>;
<b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_80_13">Generic_Next</A>);
<span class="comment"><EM>-- This is the generic next Choice_Function for the low-level fieldtype</EM></span>
<span class="comment"><EM>-- representing all the User_Defined_Field_Type derivatives. It routes</EM></span>
<span class="comment"><EM>-- the call to the Next implementation for the type.</EM></span>
<b>function</b> <span class="symbol"><A NAME="ref_87_13" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_62_13">Generic_Prev</A></span> (<span class="symbol"><A NAME="ref_87_27" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_62_27">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
<span class="symbol"><A NAME="ref_88_27" HREF="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_63_27">Usr</A></span> : System.Address) <b>return</b> <A HREF="terminal_interface-curses__ads.htm#ref_2098_9">Curses_Bool</A>;
<b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_87_13">Generic_Prev</A>);
<span class="comment"><EM>-- This is the generic prev Choice_Function for the low-level fieldtype</EM></span>
<span class="comment"><EM>-- representing all the User_Defined_Field_Type derivatives. It routes</EM></span>
<span class="comment"><EM>-- the call to the Previous implementation for the type.</EM></span>
<b>end</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_45_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_44_41">Field_Types</A>.<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_44_53">User</A>.<A HREF="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_44_58">Choice</A>;
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