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  16 <hr><div style="text-align:center"><h1> File : terminal_interface-curses-forms-field_types.adb </h1></div><hr>
  17 <pre>
  18 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
  19 <span class="comment"><em>--                                                                          --</em></span>
  20 <span class="comment"><em>--                           <strong>GNAT</strong> ncurses Binding                           --</em></span>
  21 <span class="comment"><em>--                                                                          --</em></span>
  22 <span class="comment"><em>--                 Terminal_Interface.Curses.Forms.Field_Types              --</em></span>
  23 <span class="comment"><em>--                                                                          --</em></span>
  24 <span class="comment"><em>--                                 B O D Y                                  --</em></span>
  25 <span class="comment"><em>--                                                                          --</em></span>
  26 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
  27 <span class="comment"><em>-- Copyright 2020 Thomas E. Dickey                                          --</em></span>
  28 <span class="comment"><em>-- Copyright 1999-2011,2014 Free Software Foundation, Inc.                  --</em></span>
  29 <span class="comment"><em>--                                                                          --</em></span>
  30 <span class="comment"><em>-- Permission is hereby granted, free of charge, to any person obtaining a  --</em></span>
  31 <span class="comment"><em>-- copy of this software and associated documentation files (the            --</em></span>
  32 <span class="comment"><em>-- "Software"), to deal in the Software without restriction, including      --</em></span>
  33 <span class="comment"><em>-- without limitation the rights to use, copy, modify, merge, publish,      --</em></span>
  34 <span class="comment"><em>-- distribute, distribute with modifications, sublicense, and/or sell       --</em></span>
  35 <span class="comment"><em>-- copies of the Software, and to permit persons to whom the Software is    --</em></span>
  36 <span class="comment"><em>-- furnished to do so, subject to the following conditions:                 --</em></span>
  37 <span class="comment"><em>--                                                                          --</em></span>
  38 <span class="comment"><em>-- The above copyright notice and this permission notice shall be included  --</em></span>
  39 <span class="comment"><em>-- in all copies or substantial portions of the Software.                   --</em></span>
  40 <span class="comment"><em>--                                                                          --</em></span>
  41 <span class="comment"><em>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --</em></span>
  42 <span class="comment"><em>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --</em></span>
  43 <span class="comment"><em>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --</em></span>
  44 <span class="comment"><em>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --</em></span>
  45 <span class="comment"><em>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --</em></span>
  46 <span class="comment"><em>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --</em></span>
  47 <span class="comment"><em>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --</em></span>
  48 <span class="comment"><em>--                                                                          --</em></span>
  49 <span class="comment"><em>-- Except as contained in this notice, the name(s) of the above copyright   --</em></span>
  50 <span class="comment"><em>-- holders shall not be used in advertising or otherwise to promote the     --</em></span>
  51 <span class="comment"><em>-- sale, use or other dealings in this Software without prior written       --</em></span>
  52 <span class="comment"><em>-- authorization.                                                           --</em></span>
  53 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
  54 <span class="comment"><em>--  Author:  Juergen Pfeifer, 1996</em></span>
  55 <span class="comment"><em>--  Version Control:</em></span>
  56 <span class="comment"><em>--  @Revision: 1.29 @</em></span>
  57 <span class="comment"><em>--  @Date: 2020/02/02 23:34:34 @</em></span>
  58 <span class="comment"><em>--  Binding Version 01.00</em></span>
  59 <span class="comment"><em>------------------------------------------------------------------------------</em></span>
  60 <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>;
  61 <b>with</b> Ada.Unchecked_Deallocation;
  62 <b>with</b> System.Address_To_Access_Conversions;
  63
  64 <span class="comment"><em>--  |</em></span>
  65 <span class="comment"><em>--  |=====================================================================</em></span>
  66 <span class="comment"><em>--  | man page form_fieldtype.3x</em></span>
  67 <span class="comment"><em>--  |=====================================================================</em></span>
  68 <span class="comment"><em>--  |</em></span>
  69 <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>.<span class="symbol"><a name="ref_52_46" href="terminal_interface-curses-forms-field_types__ads.htm#ref_45_41">Field_Types</a></span> <b>is</b>
  70
  71    <b>use</b> <b>type</b> System.Address;
  72
  73    <b>package</b> Argument_Conversions <b>is</b>
  74       <b>new</b> System.Address_To_Access_Conversions (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_212_9">Argument</a>);
  75
  76    <b>function</b> <span class="symbol"><a name="ref_59_13">Get_Fieldtype</a></span> (<span class="symbol"><a name="ref_59_28">F</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>) <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>;
  77    <b>pragma</b> Import (C, Get_Fieldtype, "field_type");
  78
  79    <b>function</b> <span class="symbol"><a name="ref_62_13">Get_Arg</a></span> (<span class="symbol"><a name="ref_62_22">F</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>) <b>return</b> System.Address;
  80    <b>pragma</b> Import (C, Get_Arg, "field_arg");
  81    <span class="comment"><em>--  |</em></span>
  82    <span class="comment"><em>--  |=====================================================================</em></span>
  83    <span class="comment"><em>--  | man page form_field_validation.3x</em></span>
  84    <span class="comment"><em>--  |=====================================================================</em></span>
  85    <span class="comment"><em>--  |</em></span>
  86    <span class="comment"><em>--  |</em></span>
  87    <span class="comment"><em>--  |</em></span>
  88    <b>function</b> <span class="symbol"><a name="ref_71_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_80_13">Get_Type</a></span> (<span class="symbol"><a name="ref_71_23" href="terminal_interface-curses-forms-field_types__ads.htm#ref_80_23">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>) <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_64_9">Field_Type_Access</a>
  89    <b>is</b>
  90       <span class="symbol"><a name="ref_73_7">Low_Level</a></span> : <b>constant</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_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_80_23">Fld</a>);
  91       <span class="symbol"><a name="ref_74_7">Arg</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>;
  92    <b>begin</b>
  93       <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_135_4">Null_Field_Type</a> <b>then</b>
  94          <b>return</b> <b>null</b>;
  95       <b>else</b>
  96          <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_144_4">M_Builtin_Router</a> <b>or</b> <b>else</b>
  97             <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_Type</a> <b>or</b> <b>else</b>
  98             <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_145_4">M_Choice_Router</a> <b>or</b> <b>else</b>
  99             <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_Generic_Choice</a>
 100          <b>then</b>
 101             <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_217_9">Argument_Access</a>
 102          (Argument_Conversions.To_Pointer (<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_80_23">Fld</a>)));
 103             <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_74_7">Arg</a> = <b>null</b> <b>then</b>
 104                <b>raise</b> <a href="terminal_interface-curses-forms__ads.htm#ref_288_4">Form_Exception</a>;
 105             <b>else</b>
 106                <b>return</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_74_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a>;
 107             <b>end</b> <b>if</b>;
 108          <b>else</b>
 109             <b>raise</b> <a href="terminal_interface-curses-forms__ads.htm#ref_288_4">Form_Exception</a>;
 110          <b>end</b> <b>if</b>;
 111       <b>end</b> <b>if</b>;
 112    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_80_13">Get_Type</a>;
 113
 114    <b>function</b> <span class="symbol"><a name="ref_97_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_13">Copy_Arg</a></span> (<span class="symbol"><a name="ref_97_23" href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_23">Usr</a></span> : System.Address) <b>return</b> System.Address
 115    <b>is</b>
 116    <b>begin</b>
 117       <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_23">Usr</a>;
 118    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_13">Copy_Arg</a>;
 119
 120    <b>procedure</b> <span class="symbol"><a name="ref_103_14" href="terminal_interface-curses-forms-field_types__ads.htm#ref_173_14">Free_Arg</a></span> (<span class="symbol"><a name="ref_103_24" href="terminal_interface-curses-forms-field_types__ads.htm#ref_173_24">Usr</a></span> : System.Address)
 121    <b>is</b>
 122       <b>procedure</b> Free_Type <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
 123         (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_53_9">Field_Type</a>'Class, <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_64_9">Field_Type_Access</a>);
 124       <b>procedure</b> Freeargs <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
 125         (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_212_9">Argument</a>, <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>);
 126
 127       <span class="symbol"><a name="ref_110_7">To_Be_Free</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>
 128    := <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__ads.htm#ref_173_24">Usr</a>));
 129       <span class="symbol"><a name="ref_112_7">Low_Level</a></span>  : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>;
 130    <b>begin</b>
 131       <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a> /= <b>null</b> <b>then</b>
 132          <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a> /= System.Null_Address <b>then</b>
 133             <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_112_7">Low_Level</a> := <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>;
 134             <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_112_7">Low_Level</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_127_10">Freearg</a> /= <b>null</b> <b>then</b>
 135                <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_112_7">Low_Level</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_127_10">Freearg</a> (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a>);
 136             <b>end</b> <b>if</b>;
 137          <b>end</b> <b>if</b>;
 138          <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a> /= <b>null</b> <b>then</b>
 139             Free_Type (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a>);
 140          <b>end</b> <b>if</b>;
 141          Freeargs (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_110_7">To_Be_Free</a>);
 142       <b>end</b> <b>if</b>;
 143    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_173_14">Free_Arg</a>;
 144
 145    <b>procedure</b> <span class="symbol"><a name="ref_128_14" href="terminal_interface-curses-forms-field_types__ads.htm#ref_152_14">Wrap_Builtin</a></span> (<span class="symbol"><a name="ref_128_28" href="terminal_interface-curses-forms-field_types__ads.htm#ref_152_28">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>;
 146                            <span class="symbol"><a name="ref_129_28" href="terminal_interface-curses-forms-field_types__ads.htm#ref_153_28">Typ</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_53_9">Field_Type</a>'Class;
 147                            <span class="symbol"><a name="ref_130_28" href="terminal_interface-curses-forms-field_types__ads.htm#ref_154_28">Cft</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a> := <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Builtin_Router</a>)
 148    <b>is</b>
 149       <span class="symbol"><a name="ref_132_7">Usr_Arg</a></span>   : <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_152_28">Fld</a>);
 150       <span class="symbol"><a name="ref_133_7">Low_Level</a></span> : <b>constant</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_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_152_28">Fld</a>);
 151       <span class="symbol"><a name="ref_134_7">Arg</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>;
 152       <b>function</b> <span class="symbol"><a name="ref_135_16">Set_Fld_Type</a></span> (<span class="symbol"><a name="ref_135_30">F</a></span>    : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a> := <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_152_28">Fld</a>;
 153                              <span class="symbol"><a name="ref_136_30">Cf</a></span>   : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a> := <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_154_28">Cft</a>;
 154                              <span class="symbol"><a name="ref_137_30">Arg1</a></span> : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_70_9">Eti_Error</a>;
 155       <b>pragma</b> Import (C, Set_Fld_Type, "set_field_type_user");
 156
 157    <b>begin</b>
 158       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Low_Level</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>);
 159       <b>if</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_154_28">Cft</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Builtin_Router</a> <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_154_28">Cft</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_150_13">C_Choice_Router</a> <b>then</b>
 160          <b>raise</b> <a href="terminal_interface-curses-forms__ads.htm#ref_288_4">Form_Exception</a>;
 161       <b>else</b>
 162          <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_134_7">Arg</a> := <b>new</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_212_9">Argument</a>'(<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a> =&gt; System.Null_Address,
 163                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a> =&gt; <b>new</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_53_9">Field_Type</a>'Class'(<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_153_28">Typ</a>),
 164                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a> =&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_152_28">Fld</a>));
 165          <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_132_7">Usr_Arg</a> /= System.Null_Address <b>then</b>
 166             <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Low_Level</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_126_10">Copyarg</a> /= <b>null</b> <b>then</b>
 167                <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_134_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a> := <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Low_Level</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_126_10">Copyarg</a> (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_132_7">Usr_Arg</a>);
 168             <b>else</b>
 169                <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_134_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a> := <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_132_7">Usr_Arg</a>;
 170             <b>end</b> <b>if</b>;
 171          <b>end</b> <b>if</b>;
 172
 173          <a href="terminal_interface-curses-aux__ads.htm#ref_87_14">Eti_Exception</a> (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_135_16">Set_Fld_Type</a> (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_137_30">Arg1</a> =&gt; <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_134_7">Arg</a>));
 174       <b>end</b> <b>if</b>;
 175    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_152_14">Wrap_Builtin</a>;
 176
 177    <b>function</b> <span class="symbol"><a name="ref_160_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_178_13">Field_Check_Router</a></span> (<span class="symbol"><a name="ref_160_33" href="terminal_interface-curses-forms-field_types__ads.htm#ref_178_33">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>;
 178                                 <span class="symbol"><a name="ref_161_33" href="terminal_interface-curses-forms-field_types__ads.htm#ref_179_33">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>
 179    <b>is</b>
 180       <span class="symbol"><a name="ref_163_7">Arg</a></span>  : <b>constant</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>
 181    := <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__ads.htm#ref_179_33">Usr</a>));
 182    <b>begin</b>
 183       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_163_7">Arg</a> /= <b>null</b> <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_163_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>
 184                      <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_163_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a> /= <b>null</b>);
 185       <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_163_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_128_10">Fcheck</a> /= <b>null</b> <b>then</b>
 186          <b>return</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_163_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_128_10">Fcheck</a> (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_178_33">Fld</a>, <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_163_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a>);
 187       <b>else</b>
 188          <b>return</b> 1;
 189       <b>end</b> <b>if</b>;
 190    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_178_13">Field_Check_Router</a>;
 191
 192    <b>function</b> <span class="symbol"><a name="ref_175_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_186_13">Char_Check_Router</a></span> (<span class="symbol"><a name="ref_175_32" href="terminal_interface-curses-forms-field_types__ads.htm#ref_186_32">Ch</a></span>  : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_47_12">C_Int</a>;
 193                                <span class="symbol"><a name="ref_176_32" href="terminal_interface-curses-forms-field_types__ads.htm#ref_187_32">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>
 194    <b>is</b>
 195       <span class="symbol"><a name="ref_178_7">Arg</a></span>  : <b>constant</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>
 196    := <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__ads.htm#ref_187_32">Usr</a>));
 197    <b>begin</b>
 198       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_178_7">Arg</a> /= <b>null</b> <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_178_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>
 199                      <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_178_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a> /= <b>null</b>);
 200       <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_178_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_129_10">Ccheck</a> /= <b>null</b> <b>then</b>
 201          <b>return</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_178_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_129_10">Ccheck</a> (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_186_32">Ch</a>, <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_178_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a>);
 202       <b>else</b>
 203          <b>return</b> 1;
 204       <b>end</b> <b>if</b>;
 205    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_186_13">Char_Check_Router</a>;
 206
 207    <b>function</b> <span class="symbol"><a name="ref_190_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_194_13">Next_Router</a></span> (<span class="symbol"><a name="ref_190_26" href="terminal_interface-curses-forms-field_types__ads.htm#ref_194_26">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>;
 208                          <span class="symbol"><a name="ref_191_26" href="terminal_interface-curses-forms-field_types__ads.htm#ref_195_26">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>
 209    <b>is</b>
 210       <span class="symbol"><a name="ref_193_7">Arg</a></span>  : <b>constant</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a>
 211    := <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__ads.htm#ref_195_26">Usr</a>));
 212    <b>begin</b>
 213       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_193_7">Arg</a> /= <b>null</b> <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_193_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>
 214                      <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_193_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a> /= <b>null</b>);
 215       <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_193_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_130_10">Next</a> /= <b>null</b> <b>then</b>
 216          <b>return</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_193_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_130_10">Next</a> (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_194_26">Fld</a>, <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_193_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a>);
 217       <b>else</b>
 218          <b>return</b> 1;
 219       <b>end</b> <b>if</b>;
 220    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_194_13">Next_Router</a>;
 221
 222    <b>function</b> <span class="symbol"><a name="ref_205_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_202_13">Prev_Router</a></span> (<span class="symbol"><a name="ref_205_26" href="terminal_interface-curses-forms-field_types__ads.htm#ref_202_26">Fld</a></span> : <a href="terminal_interface-curses-forms__ads.htm#ref_52_9">Field</a>;
 223                          <span class="symbol"><a name="ref_206_26" href="terminal_interface-curses-forms-field_types__ads.htm#ref_203_26">Usr</a></span> : System.Address) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>
 224    <b>is</b>
 225       <span class="symbol"><a name="ref_208_7">Arg</a></span>  : <b>constant</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_217_9">Argument_Access</a> :=
 226                <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__ads.htm#ref_203_26">Usr</a>));
 227    <b>begin</b>
 228       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__adb.htm#ref_208_7">Arg</a> /= <b>null</b> <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_208_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>
 229                      <b>and</b> <b>then</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_208_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Typ</a> /= <b>null</b>);
 230       <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_208_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_130_16">Prev</a> /= <b>null</b> <b>then</b>
 231          <b>return</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_208_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_215_7">Cft</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_130_16">Prev</a> (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_202_26">Fld</a>, <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_208_7">Arg</a>.<b>all</b>.<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Usr</a>);
 232       <b>else</b>
 233          <b>return</b> 1;
 234       <b>end</b> <b>if</b>;
 235    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_202_13">Prev_Router</a>;
 236
 237    <span class="comment"><em>--  -----------------------------------------------------------------------</em></span>
 238    <span class="comment"><em>--</em></span>
 239    <b>function</b> <span class="symbol"><a name="ref_222_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Builtin_Router</a></span> <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>
 240    <b>is</b>
 241       <span class="symbol"><a name="ref_224_7">T</a></span>   : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>;
 242    <b>begin</b>
 243       <b>if</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Builtin_Router</a> = <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a> <b>then</b>
 244          <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_224_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__ads.htm#ref_178_13">Field_Check_Router</a>'<b>Access</b>,
 245                              <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_186_13">Char_Check_Router</a>'<b>Access</b>);
 246          <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_224_7">T</a> = <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a> <b>then</b>
 247             <b>raise</b> <a href="terminal_interface-curses-forms__ads.htm#ref_288_4">Form_Exception</a>;
 248          <b>else</b>
 249             <a href="terminal_interface-curses-aux__ads.htm#ref_87_14">Eti_Exception</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__adb.htm#ref_224_7">T</a>,
 250                                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_163_13">Make_Arg</a>'<b>Access</b>,
 251                                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_13">Copy_Arg</a>'<b>Access</b>,
 252                                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_173_14">Free_Arg</a>'<b>Access</b>));
 253          <b>end</b> <b>if</b>;
 254          <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Builtin_Router</a> := <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_224_7">T</a>;
 255       <b>end</b> <b>if</b>;
 256       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Builtin_Router</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>);
 257       <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Builtin_Router</a>;
 258    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Builtin_Router</a>;
 259
 260    <span class="comment"><em>--  -----------------------------------------------------------------------</em></span>
 261    <span class="comment"><em>--</em></span>
 262    <b>function</b> <span class="symbol"><a name="ref_245_13" href="terminal_interface-curses-forms-field_types__ads.htm#ref_150_13">C_Choice_Router</a></span> <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>
 263    <b>is</b>
 264       <span class="symbol"><a name="ref_247_7">T</a></span>   : <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_133_9">C_Field_Type</a>;
 265    <b>begin</b>
 266       <b>if</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_145_4">M_Choice_Router</a> = <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a> <b>then</b>
 267          <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_247_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__ads.htm#ref_178_13">Field_Check_Router</a>'<b>Access</b>,
 268                              <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_186_13">Char_Check_Router</a>'<b>Access</b>);
 269          <b>if</b> <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_247_7">T</a> = <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a> <b>then</b>
 270             <b>raise</b> <a href="terminal_interface-curses-forms__ads.htm#ref_288_4">Form_Exception</a>;
 271          <b>else</b>
 272             <a href="terminal_interface-curses-aux__ads.htm#ref_87_14">Eti_Exception</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__adb.htm#ref_247_7">T</a>,
 273                                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_163_13">Make_Arg</a>'<b>Access</b>,
 274                                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_168_13">Copy_Arg</a>'<b>Access</b>,
 275                                               <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_173_14">Free_Arg</a>'<b>Access</b>));
 276
 277             <a href="terminal_interface-curses-aux__ads.htm#ref_87_14">Eti_Exception</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__adb.htm#ref_247_7">T</a>,
 278                                                  <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_194_13">Next_Router</a>'<b>Access</b>,
 279                                                  <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_202_13">Prev_Router</a>'<b>Access</b>));
 280          <b>end</b> <b>if</b>;
 281          <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_145_4">M_Choice_Router</a> := <a href="terminal_interface-curses-forms-field_types__adb.htm#ref_247_7">T</a>;
 282       <b>end</b> <b>if</b>;
 283       <b>pragma</b> Assert (<a href="terminal_interface-curses-forms-field_types__ads.htm#ref_145_4">M_Choice_Router</a> /= <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_135_4">Null_Field_Type</a>);
 284       <b>return</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_145_4">M_Choice_Router</a>;
 285    <b>end</b> <a href="terminal_interface-curses-forms-field_types__ads.htm#ref_150_13">C_Choice_Router</a>;
 286
 287 <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>;
 288 </pre></body></html>