doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <HTML><HEAD><TITLE>terminal_interface-curses-forms-field_types.adb</TITLE></HEAD>
   3 <BODY>
   4 <HR><DIV ALIGN="center"><H1> File : terminal_interface-curses-forms-field_types.adb </H1></DIV><HR>
   5 <PRE>
   6 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
   7 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
   8 <FONT COLOR=green><EM>--                           <A HREF="http://www.gnat.com">GNAT</A> ncurses Binding                           --</EM></FONT>
   9 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  10 <FONT COLOR=green><EM>--                 Terminal_Interface.Curses.Forms.Field_Types              --</EM></FONT>
  11 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  12 <FONT COLOR=green><EM>--                                 B O D Y                                  --</EM></FONT>
  13 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  14 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
  15 <FONT COLOR=green><EM>-- Copyright (c) 1998,2004 Free Software Foundation, Inc.                   --</EM></FONT>
  16 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  17 <FONT COLOR=green><EM>-- Permission is hereby granted, free of charge, to any person obtaining a  --</EM></FONT>
  18 <FONT COLOR=green><EM>-- copy of this software and associated documentation files (the            --</EM></FONT>
  19 <FONT COLOR=green><EM>-- "Software"), to deal in the Software without restriction, including      --</EM></FONT>
  20 <FONT COLOR=green><EM>-- without limitation the rights to use, copy, modify, merge, publish,      --</EM></FONT>
  21 <FONT COLOR=green><EM>-- distribute, distribute with modifications, sublicense, and/or sell       --</EM></FONT>
  22 <FONT COLOR=green><EM>-- copies of the Software, and to permit persons to whom the Software is    --</EM></FONT>
  23 <FONT COLOR=green><EM>-- furnished to do so, subject to the following conditions:                 --</EM></FONT>
  24 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  25 <FONT COLOR=green><EM>-- The above copyright notice and this permission notice shall be included  --</EM></FONT>
  26 <FONT COLOR=green><EM>-- in all copies or substantial portions of the Software.                   --</EM></FONT>
  27 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  28 <FONT COLOR=green><EM>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --</EM></FONT>
  29 <FONT COLOR=green><EM>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --</EM></FONT>
  30 <FONT COLOR=green><EM>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --</EM></FONT>
  31 <FONT COLOR=green><EM>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --</EM></FONT>
  32 <FONT COLOR=green><EM>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --</EM></FONT>
  33 <FONT COLOR=green><EM>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --</EM></FONT>
  34 <FONT COLOR=green><EM>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --</EM></FONT>
  35 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  36 <FONT COLOR=green><EM>-- Except as contained in this notice, the name(s) of the above copyright   --</EM></FONT>
  37 <FONT COLOR=green><EM>-- holders shall not be used in advertising or otherwise to promote the     --</EM></FONT>
  38 <FONT COLOR=green><EM>-- sale, use or other dealings in this Software without prior written       --</EM></FONT>
  39 <FONT COLOR=green><EM>-- authorization.                                                           --</EM></FONT>
  40 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
  41 <FONT COLOR=green><EM>--  Author:  Juergen Pfeifer, 1996</EM></FONT>
  42 <FONT COLOR=green><EM>--  Version Control:</EM></FONT>
  43 <FONT COLOR=green><EM>--  @Revision: 1.17 @</EM></FONT>
  44 <FONT COLOR=green><EM>--  @Date: 2004/08/21 21:37:00 @</EM></FONT>
  45 <FONT COLOR=green><EM>--  Binding Version 01.00</EM></FONT>
  46 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
  47 <b>with</b> <A HREF="interfac__ads.htm#ref_23_9">Interfaces</A>.C;
  48 <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>;
  49 <b>with</b> Ada.Unchecked_Deallocation;
  50 <b>with</b> Ada.Unchecked_Conversion;
  51 <FONT COLOR=green><EM>--  |</EM></FONT>
  52 <FONT COLOR=green><EM>--  |=====================================================================</EM></FONT>
  53 <FONT COLOR=green><EM>--  | man page form_fieldtype.3x</EM></FONT>
  54 <FONT COLOR=green><EM>--  |=====================================================================</EM></FONT>
  55 <FONT COLOR=green><EM>--  |</EM></FONT>
  56 <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>
  57
  58    <b>use</b> <b>type</b> <A HREF="interfac__ads.htm#ref_23_9">Interfaces</A>.C.int;
  59    <b>use</b> <b>type</b> System.Address;
  60
  61    <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
  62      (System.Address, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>);
  63
  64    <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>;
  65    <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_59_13">Get_Fieldtype</A>, "field_type");
  66
  67    <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;
  68    <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_62_13">Get_Arg</A>, "field_arg");
  69    <FONT COLOR=green><EM>--  |</EM></FONT>
  70    <FONT COLOR=green><EM>--  |=====================================================================</EM></FONT>
  71    <FONT COLOR=green><EM>--  | man page form_field_validation.3x</EM></FONT>
  72    <FONT COLOR=green><EM>--  |=====================================================================</EM></FONT>
  73    <FONT COLOR=green><EM>--  |</EM></FONT>
  74    <FONT COLOR=green><EM>--  |</EM></FONT>
  75    <FONT COLOR=green><EM>--  |</EM></FONT>
  76    <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>
  77    <b>is</b>
  78       <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>);
  79       <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>;
  80    <b>begin</b>
  81       <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>
  82          <b>return</b> <b>null</b>;
  83       <b>else</b>
  84          <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>
  85            <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>
  86            <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>
  87            <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>
  88             <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>));
  89             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_74_7">Arg</A> = <b>null</b> <b>then</b>
  90                <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>;
  91             <b>else</b>
  92                <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>;
  93             <b>end</b> <b>if</b>;
  94          <b>else</b>
  95             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>;
  96          <b>end</b> <b>if</b>;
  97       <b>end</b> <b>if</b>;
  98    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_13">Get_Type</A>;
  99
 100    <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
 101    <b>is</b>
 102       <FONT COLOR=green><EM>--  Actually args is a double indirected pointer to the arguments</EM></FONT>
 103       <FONT COLOR=green><EM>--  of a C variable argument list. In theory it is now quite</EM></FONT>
 104       <FONT COLOR=green><EM>--  complicated to write portable routine that reads the arguments,</EM></FONT>
 105       <FONT COLOR=green><EM>--  because one has to know the growth direction of the stack and</EM></FONT>
 106       <FONT COLOR=green><EM>--  the sizes of the individual arguments.</EM></FONT>
 107       <FONT COLOR=green><EM>--  Fortunately we are only interested in the first argument (#0),</EM></FONT>
 108       <FONT COLOR=green><EM>--  we know its size and for the first arg we don't care about</EM></FONT>
 109       <FONT COLOR=green><EM>--  into which stack direction we have to proceed. We simply</EM></FONT>
 110       <FONT COLOR=green><EM>--  resolve the double indirection and thats it.</EM></FONT>
 111       <b>type</b> <FONT COLOR=red><A NAME="ref_106_12">V</A></FONT> <b>is</b> <b>access</b> <b>all</b> System.Address;
 112       <b>function</b> <FONT COLOR=red><A NAME="ref_107_16">To_Access</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Conversion (System.Address,
 113                                                           <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_106_12">V</A>);
 114    <b>begin</b>
 115       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_107_16">To_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_107_16">To_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_23">Args</A>).<b>all</b>).<b>all</b>;
 116    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>;
 117
 118    <b>function</b> <FONT COLOR=red><A NAME="ref_113_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_113_23" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_23">Usr</A></FONT> : System.Address) <b>return</b> System.Address
 119    <b>is</b>
 120    <b>begin</b>
 121       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_23">Usr</A>;
 122    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>;
 123
 124    <b>procedure</b> <FONT COLOR=red><A NAME="ref_119_14" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_119_24" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_24">Usr</A></FONT> : <b>in</b> System.Address)
 125    <b>is</b>
 126       <b>procedure</b> <FONT COLOR=red><A NAME="ref_121_17">Free_Type</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
 127         (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>'Class, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_63_9">Field_Type_Access</A>);
 128       <b>procedure</b> <FONT COLOR=red><A NAME="ref_123_17">Freeargs</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
 129         (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_211_9">Argument</A>, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>);
 130
 131       <FONT COLOR=red><A NAME="ref_126_7">To_Be_Free</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</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__ads.htm#ref_172_24">Usr</A>);
 132       <FONT COLOR=red><A NAME="ref_127_7">Low_Level</A></FONT>  : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
 133    <b>begin</b>
 134       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A> /= <b>null</b> <b>then</b>
 135          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A> /= System.Null_Address <b>then</b>
 136             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_127_7">Low_Level</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>;
 137             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_127_7">Low_Level</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_126_10">Freearg</A> /= <b>null</b> <b>then</b>
 138                <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_127_7">Low_Level</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_126_10">Freearg</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
 139             <b>end</b> <b>if</b>;
 140          <b>end</b> <b>if</b>;
 141          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b> <b>then</b>
 142             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_121_17">Free_Type</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>);
 143          <b>end</b> <b>if</b>;
 144          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_123_17">Freeargs</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_126_7">To_Be_Free</A>);
 145       <b>end</b> <b>if</b>;
 146    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>;
 147
 148
 149    <b>procedure</b> <FONT COLOR=red><A NAME="ref_144_14" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_14">Wrap_Builtin</A></FONT> (<FONT COLOR=red><A NAME="ref_144_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>;
 150                            <FONT COLOR=red><A NAME="ref_145_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_152_28">Typ</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>'Class;
 151                            <FONT COLOR=red><A NAME="ref_146_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_153_28">Cft</A></FONT> : <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__ads.htm#ref_148_13">C_Builtin_Router</A>)
 152    <b>is</b>
 153       <FONT COLOR=red><A NAME="ref_148_7">Usr_Arg</A></FONT>   : <b>constant</b> System.Address := <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_151_28">Fld</A>);
 154       <FONT COLOR=red><A NAME="ref_149_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_151_28">Fld</A>);
 155       <FONT COLOR=red><A NAME="ref_150_7">Arg</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>;
 156       <FONT COLOR=red><A NAME="ref_151_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#ref_78_12">Eti_Error</A>;
 157       <b>function</b> <FONT COLOR=red><A NAME="ref_152_16">Set_Fld_Type</A></FONT> (<FONT COLOR=red><A NAME="ref_152_30">F</A></FONT>    : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A>;
 158                              <FONT COLOR=red><A NAME="ref_153_30">Cf</A></FONT>   : <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__ads.htm#ref_153_28">Cft</A>;
 159                              <FONT COLOR=red><A NAME="ref_154_30">Arg1</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>;
 160       <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_152_16">Set_Fld_Type</A>, "set_field_type");
 161
 162    <b>begin</b>
 163       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_149_7">Low_Level</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>);
 164       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_153_28">Cft</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_148_13">C_Builtin_Router</A> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_153_28">Cft</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Choice_Router</A> <b>then</b>
 165          <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>;
 166       <b>else</b>
 167          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_150_7">Arg</A> := <b>new</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_211_9">Argument</A>'(Usr =&gt; System.Null_Address,
 168                               Typ =&gt; <b>new</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>'Class'(<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_152_28">Typ</A>),
 169                               Cft =&gt; <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_151_28">Fld</A>));
 170          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_148_7">Usr_Arg</A> /= System.Null_Address <b>then</b>
 171             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_149_7">Low_Level</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_125_10">Copyarg</A> /= <b>null</b> <b>then</b>
 172                <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_150_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_149_7">Low_Level</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_125_10">Copyarg</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_148_7">Usr_Arg</A>);
 173             <b>else</b>
 174                <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_150_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_148_7">Usr_Arg</A>;
 175             <b>end</b> <b>if</b>;
 176          <b>end</b> <b>if</b>;
 177
 178          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_151_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_152_16">Set_Fld_Type</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_154_30">Arg1</A> =&gt; <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_150_7">Arg</A>);
 179          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_151_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b>
 180             <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_151_7">Res</A>);
 181          <b>end</b> <b>if</b>;
 182       <b>end</b> <b>if</b>;
 183    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_14">Wrap_Builtin</A>;
 184
 185    <b>function</b> <FONT COLOR=red><A NAME="ref_180_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_13">Field_Check_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_180_33" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_33">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>;
 186                                 <FONT COLOR=red><A NAME="ref_181_33" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_178_33">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>
 187    <b>is</b>
 188       <FONT COLOR=red><A NAME="ref_183_7">Arg</A></FONT>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</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__ads.htm#ref_178_33">Usr</A>);
 189    <b>begin</b>
 190       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_183_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_183_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>
 191                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_183_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
 192       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_183_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_127_10">Fcheck</A> /= <b>null</b> <b>then</b>
 193          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_183_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_127_10">Fcheck</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_33">Fld</A>, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_183_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
 194       <b>else</b>
 195          <b>return</b> 1;
 196       <b>end</b> <b>if</b>;
 197    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_13">Field_Check_Router</A>;
 198
 199    <b>function</b> <FONT COLOR=red><A NAME="ref_194_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_194_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_32">Ch</A></FONT>  : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>;
 200                                <FONT COLOR=red><A NAME="ref_195_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_186_32">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>
 201    <b>is</b>
 202       <FONT COLOR=red><A NAME="ref_197_7">Arg</A></FONT>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</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__ads.htm#ref_186_32">Usr</A>);
 203    <b>begin</b>
 204       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_197_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_197_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>
 205                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_197_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
 206       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_197_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_128_10">Ccheck</A> /= <b>null</b> <b>then</b>
 207          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_197_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_128_10">Ccheck</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_32">Ch</A>, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_197_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
 208       <b>else</b>
 209          <b>return</b> 1;
 210       <b>end</b> <b>if</b>;
 211    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>;
 212
 213    <b>function</b> <FONT COLOR=red><A NAME="ref_208_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_208_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_26">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>;
 214                          <FONT COLOR=red><A NAME="ref_209_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_194_26">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>
 215    <b>is</b>
 216       <FONT COLOR=red><A NAME="ref_211_7">Arg</A></FONT>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</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__ads.htm#ref_194_26">Usr</A>);
 217    <b>begin</b>
 218       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_211_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_211_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>
 219                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_211_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
 220       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_211_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_129_10">Next</A> /= <b>null</b> <b>then</b>
 221          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_211_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_129_10">Next</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_26">Fld</A>, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_211_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
 222       <b>else</b>
 223          <b>return</b> 1;
 224       <b>end</b> <b>if</b>;
 225    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A>;
 226
 227    <b>function</b> <FONT COLOR=red><A NAME="ref_222_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_222_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_26">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_55_9">Field</A>;
 228                          <FONT COLOR=red><A NAME="ref_223_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_202_26">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>
 229    <b>is</b>
 230       <FONT COLOR=red><A NAME="ref_225_7">Arg</A></FONT>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</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__ads.htm#ref_202_26">Usr</A>);
 231    <b>begin</b>
 232       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_225_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_225_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>
 233                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_225_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
 234       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_225_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_129_16">Prev</A> /= <b>null</b> <b>then</b>
 235          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_225_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_129_16">Prev</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_26">Fld</A>, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_225_7">Arg</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
 236       <b>else</b>
 237          <b>return</b> 1;
 238       <b>end</b> <b>if</b>;
 239    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A>;
 240
 241    <FONT COLOR=green><EM>--  -----------------------------------------------------------------------</EM></FONT>
 242    <FONT COLOR=green><EM>--</EM></FONT>
 243    <b>function</b> <FONT COLOR=red><A NAME="ref_238_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_148_13">C_Builtin_Router</A></FONT> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>
 244    <b>is</b>
 245       <FONT COLOR=red><A NAME="ref_240_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#ref_78_12">Eti_Error</A>;
 246       <FONT COLOR=red><A NAME="ref_241_7">T</A></FONT>   : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
 247    <b>begin</b>
 248       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Builtin_Router</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
 249          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_241_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__ads.htm#ref_177_13">Field_Check_Router</A>'<b>Access</b>,
 250                              <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>'<b>Access</b>);
 251          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_241_7">T</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
 252             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>;
 253          <b>else</b>
 254             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_240_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__adb.htm#ref_241_7">T</A>,
 255                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>,
 256                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>,
 257                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>);
 258             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_240_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b>
 259                <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_240_7">Res</A>);
 260             <b>end</b> <b>if</b>;
 261          <b>end</b> <b>if</b>;
 262          <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Builtin_Router</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_241_7">T</A>;
 263       <b>end</b> <b>if</b>;
 264       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Builtin_Router</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>);
 265       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Builtin_Router</A>;
 266    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_148_13">C_Builtin_Router</A>;
 267
 268    <FONT COLOR=green><EM>--  -----------------------------------------------------------------------</EM></FONT>
 269    <FONT COLOR=green><EM>--</EM></FONT>
 270    <b>function</b> <FONT COLOR=red><A NAME="ref_265_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Choice_Router</A></FONT> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>
 271    <b>is</b>
 272       <FONT COLOR=red><A NAME="ref_267_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#ref_78_12">Eti_Error</A>;
 273       <FONT COLOR=red><A NAME="ref_268_7">T</A></FONT>   : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
 274    <b>begin</b>
 275       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Choice_Router</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
 276          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_268_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__ads.htm#ref_177_13">Field_Check_Router</A>'<b>Access</b>,
 277                              <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>'<b>Access</b>);
 278          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_268_7">T</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
 279             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>;
 280          <b>else</b>
 281             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_267_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__adb.htm#ref_268_7">T</A>,
 282                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>,
 283                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>,
 284                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>);
 285             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_267_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b>
 286                <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_267_7">Res</A>);
 287             <b>end</b> <b>if</b>;
 288
 289             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_267_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__adb.htm#ref_268_7">T</A>,
 290                                          <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A>'<b>Access</b>,
 291                                          <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A>'<b>Access</b>);
 292             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_267_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b>
 293                <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_267_7">Res</A>);
 294             <b>end</b> <b>if</b>;
 295          <b>end</b> <b>if</b>;
 296          <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Choice_Router</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_268_7">T</A>;
 297       <b>end</b> <b>if</b>;
 298       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Choice_Router</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>);
 299       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Choice_Router</A>;
 300    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Choice_Router</A>;
 301
 302 <b>end</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>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_43_41">Field_Types</A>;
 303 </PRE></BODY></HTML>