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<hr><div style="text-align:center"><h1> File : terminal_interface-curses-forms-field_types-user-choice.adb </h1></div><hr>
<pre>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>-- <strong>GNAT</strong> 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>-- B O D Y --</em></span>
<span class="comment"><em>-- --</em></span>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<span class="comment"><em>-- Copyright 2020 Thomas E. Dickey --</em></span>
<span class="comment"><em>-- Copyright 1999-2011,2014 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: 1.21 @</em></span>
<span class="comment"><em>-- @Date: 2020/02/02 23:34:34 @</em></span>
<span class="comment"><em>-- Binding Version 01.00</em></span>
<span class="comment"><em>------------------------------------------------------------------------------</em></span>
<b>with</b> System.Address_To_Access_Conversions;
<b>with</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-aux__ads.htm#ref_46_35">Aux</a>; <b>use</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-aux__ads.htm#ref_46_35">Aux</a>;
<b>package</b> <b>body</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-forms__ads.htm#ref_46_35">Forms</a>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_45_41">Field_Types</a>.<a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_45_53">User</a>.<span class="symbol"><a name="ref_46_63" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_45_58">Choice</a></span> <b>is</b>
<b>package</b> Argument_Conversions <b>is</b>
<b>new</b> System.Address_To_Access_Conversions (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_212_9">Argument</a>);
<b>function</b> <span class="symbol"><a name="ref_51_13" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_81_13">Generic_Next</a></span> (<span class="symbol"><a name="ref_51_27" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_81_27">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>;
<span class="symbol"><a name="ref_52_27" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_27">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>
<b>is</b>
<span class="symbol"><a name="ref_54_7">Result</a></span> : Boolean;
<span class="symbol"><a name="ref_55_7">Udf</a></span> : <b>constant</b> <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_58_9">User_Defined_Field_Type_With_Choice_Access</a> :=
<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_58_9">User_Defined_Field_Type_With_Choice_Access</a>
(<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a> (Argument_Conversions.To_Pointer (<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_82_27">Usr</a>)).<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a>);
<b>begin</b>
<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_54_7">Result</a> := <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_61_13">Next</a> (<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_81_27">Fld</a>, <a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_55_7">Udf</a>.<b>all</b>);
<b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a> (Boolean'Pos (<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_54_7">Result</a>));
<b>end</b> <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_81_13">Generic_Next</a>;
<b>function</b> <span class="symbol"><a name="ref_63_13" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_88_13">Generic_Prev</a></span> (<span class="symbol"><a name="ref_63_27" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_88_27">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>;
<span class="symbol"><a name="ref_64_27" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_27">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>
<b>is</b>
<span class="symbol"><a name="ref_66_7">Result</a></span> : Boolean;
<span class="symbol"><a name="ref_67_7">Udf</a></span> : <b>constant</b> <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_58_9">User_Defined_Field_Type_With_Choice_Access</a> :=
<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_58_9">User_Defined_Field_Type_With_Choice_Access</a>
(<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a> (Argument_Conversions.To_Pointer (<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_89_27">Usr</a>)).<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a>);
<b>begin</b>
<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_66_7">Result</a> := <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_68_13">Previous</a> (<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_88_27">Fld</a>, <a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_67_7">Udf</a>.<b>all</b>);
<b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a> (Boolean'Pos (<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_66_7">Result</a>));
<b>end</b> <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_88_13">Generic_Prev</a>;
<span class="comment"><em>-- -----------------------------------------------------------------------</em></span>
<span class="comment"><em>--</em></span>
<b>function</b> <span class="symbol"><a name="ref_77_13" href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_79_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>is</b>
<span class="symbol"><a name="ref_79_7">Res</a></span> : <a href="terminal_interface-curses-aux__ads.htm#ref_70_9">Eti_Error</a>;
<span class="symbol"><a name="ref_80_7">T</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>;
<b>begin</b>
<b>if</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Generic_Choice</a> = <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a> <b>then</b>
<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_80_7">T</a> := <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_223_13">New_Fieldtype</a> (<a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_82_13">Generic_Field_Check</a>'<b>Access</b>,
<a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_89_13">Generic_Char_Check</a>'<b>Access</b>);
<b>if</b> <a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_80_7">T</a> = <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a> <b>then</b>
<b>raise</b> <a href="terminal_interface-curses-forms__ads.htm#ref_288_4">Form_Exception</a>;
<b>else</b>
<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_79_7">Res</a> := <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_228_13">Set_Fieldtype_Arg</a> (<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_80_7">T</a>,
<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_163_13">Make_Arg</a>'<b>Access</b>,
<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_13">Copy_Arg</a>'<b>Access</b>,
<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_173_14">Free_Arg</a>'<b>Access</b>);
<a href="terminal_interface-curses-aux__ads.htm#ref_87_14">Eti_Exception</a> (<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_79_7">Res</a>);
<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_79_7">Res</a> := <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_235_13">Set_Fieldtype_Choice</a> (<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_80_7">T</a>,
<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_81_13">Generic_Next</a>'<b>Access</b>,
<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_88_13">Generic_Prev</a>'<b>Access</b>);
<a href="terminal_interface-curses-aux__ads.htm#ref_87_14">Eti_Exception</a> (<a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_79_7">Res</a>);
<b>end</b> <b>if</b>;
<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Generic_Choice</a> := <a href="terminal_interface-curses-forms-field_types-user-choice__adb.htm#ref_80_7">T</a>;
<b>end</b> <b>if</b>;
<b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Generic_Choice</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>);
<b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Generic_Choice</a>;
<b>end</b> <a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_79_13">C_Generic_Choice</a>;
<b>end</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-forms__ads.htm#ref_46_35">Forms</a>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_45_41">Field_Types</a>.<a href="terminal_interface-curses-forms-field_types-user__ads.htm#ref_45_53">User</a>.<a href="terminal_interface-curses-forms-field_types-user-choice__ads.htm#ref_45_58">Choice</a>;
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