ncurses 6.1 - patch 20190727
[ncurses.git] / doc / html / ada / terminal_interface-curses-forms-field_types__adb.htm
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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>--                           <A HREF="http://www.gnat.com">GNAT</A> 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 (c) 1998-2011,2014 Free Software Foundation, Inc.              --</EM></span>
28 <span class="comment"><EM>--                                                                          --</EM></span>
29 <span class="comment"><EM>-- Permission is hereby granted, free of charge, to any person obtaining a  --</EM></span>
30 <span class="comment"><EM>-- copy of this software and associated documentation files (the            --</EM></span>
31 <span class="comment"><EM>-- "Software"), to deal in the Software without restriction, including      --</EM></span>
32 <span class="comment"><EM>-- without limitation the rights to use, copy, modify, merge, publish,      --</EM></span>
33 <span class="comment"><EM>-- distribute, distribute with modifications, sublicense, and/or sell       --</EM></span>
34 <span class="comment"><EM>-- copies of the Software, and to permit persons to whom the Software is    --</EM></span>
35 <span class="comment"><EM>-- furnished to do so, subject to the following conditions:                 --</EM></span>
36 <span class="comment"><EM>--                                                                          --</EM></span>
37 <span class="comment"><EM>-- The above copyright notice and this permission notice shall be included  --</EM></span>
38 <span class="comment"><EM>-- in all copies or substantial portions of the Software.                   --</EM></span>
39 <span class="comment"><EM>--                                                                          --</EM></span>
40 <span class="comment"><EM>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --</EM></span>
41 <span class="comment"><EM>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --</EM></span>
42 <span class="comment"><EM>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --</EM></span>
43 <span class="comment"><EM>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --</EM></span>
44 <span class="comment"><EM>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --</EM></span>
45 <span class="comment"><EM>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --</EM></span>
46 <span class="comment"><EM>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --</EM></span>
47 <span class="comment"><EM>--                                                                          --</EM></span>
48 <span class="comment"><EM>-- Except as contained in this notice, the name(s) of the above copyright   --</EM></span>
49 <span class="comment"><EM>-- holders shall not be used in advertising or otherwise to promote the     --</EM></span>
50 <span class="comment"><EM>-- sale, use or other dealings in this Software without prior written       --</EM></span>
51 <span class="comment"><EM>-- authorization.                                                           --</EM></span>
52 <span class="comment"><EM>------------------------------------------------------------------------------</EM></span>
53 <span class="comment"><EM>--  Author:  Juergen Pfeifer, 1996</EM></span>
54 <span class="comment"><EM>--  Version Control:</EM></span>
55 <span class="comment"><EM>--  @Revision: 1.28 @</EM></span>
56 <span class="comment"><EM>--  @Date: 2014/09/13 19:00:47 @</EM></span>
57 <span class="comment"><EM>--  Binding Version 01.00</EM></span>
58 <span class="comment"><EM>------------------------------------------------------------------------------</EM></span>
59 <b>with</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#ref_45_35">Aux</A>; <b>use</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#ref_45_35">Aux</A>;
60 <b>with</b> Ada.Unchecked_Deallocation;
61 <b>with</b> System.Address_To_Access_Conversions;
62
63 <span class="comment"><EM>--  |</EM></span>
64 <span class="comment"><EM>--  |=====================================================================</EM></span>
65 <span class="comment"><EM>--  | man page form_fieldtype.3x</EM></span>
66 <span class="comment"><EM>--  |=====================================================================</EM></span>
67 <span class="comment"><EM>--  |</EM></span>
68 <b>package</b> <b>body</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_45_35">Forms</A>.<span class="symbol"><A NAME="ref_51_46" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_44_41">Field_Types</A></span> <b>is</b>
69
70    <b>use</b> <b>type</b> System.Address;
71
72    <b>package</b> Argument_Conversions <b>is</b>
73       <b>new</b> System.Address_To_Access_Conversions (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_211_9">Argument</A>);
74
75    <b>function</b> <span class="symbol"><A NAME="ref_58_13">Get_Fieldtype</A></span> (<span class="symbol"><A NAME="ref_58_28" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_58_13">F</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
76    <b>pragma</b> Import (C, Get_Fieldtype, "field_type");
77
78    <b>function</b> <span class="symbol"><A NAME="ref_61_13">Get_Arg</A></span> (<span class="symbol"><A NAME="ref_61_22" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_61_13">F</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>) <b>return</b> System.Address;
79    <b>pragma</b> Import (C, Get_Arg, "field_arg");
80    <span class="comment"><EM>--  |</EM></span>
81    <span class="comment"><EM>--  |=====================================================================</EM></span>
82    <span class="comment"><EM>--  | man page form_field_validation.3x</EM></span>
83    <span class="comment"><EM>--  |=====================================================================</EM></span>
84    <span class="comment"><EM>--  |</EM></span>
85    <span class="comment"><EM>--  |</EM></span>
86    <span class="comment"><EM>--  |</EM></span>
87    <b>function</b> <span class="symbol"><A NAME="ref_70_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_13">Get_Type</A></span> (<span class="symbol"><A NAME="ref_70_23" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_23">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_63_9">Field_Type_Access</A>
88    <b>is</b>
89       <span class="symbol"><A NAME="ref_72_7">Low_Level</A></span> : <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_58_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_23">Fld</A>);
90       <span class="symbol"><A NAME="ref_73_7">Arg</A></span> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>;
91    <b>begin</b>
92       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_72_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
93          <b>return</b> <b>null</b>;
94       <b>else</b>
95          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_72_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>
96             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_72_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>
97             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_72_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>
98             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_72_7">Low_Level</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_142_4">M_Generic_Choice</A>
99          <b>then</b>
100             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Arg</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>
101          (Argument_Conversions.To_Pointer (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_61_13">Get_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_23">Fld</A>)));
102             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Arg</A> = <b>null</b> <b>then</b>
103                <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_287_4">Form_Exception</A>;
104             <b>else</b>
105                <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_73_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>;
106             <b>end</b> <b>if</b>;
107          <b>else</b>
108             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_287_4">Form_Exception</A>;
109          <b>end</b> <b>if</b>;
110       <b>end</b> <b>if</b>;
111    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_79_13">Get_Type</A>;
112
113    <b>function</b> <span class="symbol"><A NAME="ref_96_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A></span> (<span class="symbol"><A NAME="ref_96_23" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_23">Usr</A></span> : System.Address) <b>return</b> System.Address
114    <b>is</b>
115    <b>begin</b>
116       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_23">Usr</A>;
117    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>;
118
119    <b>procedure</b> <span class="symbol"><A NAME="ref_102_14" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A></span> (<span class="symbol"><A NAME="ref_102_24" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_24">Usr</A></span> : System.Address)
120    <b>is</b>
121       <b>procedure</b> Free_Type <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
122         (<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>);
123       <b>procedure</b> Freeargs <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
124         (<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>);
125
126       <span class="symbol"><A NAME="ref_109_7">To_Be_Free</A></span> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>
127    := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A> (Argument_Conversions.To_Pointer (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_24">Usr</A>));
128       <span class="symbol"><A NAME="ref_111_7">Low_Level</A></span>  : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
129    <b>begin</b>
130       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_109_7">To_Be_Free</A> /= <b>null</b> <b>then</b>
131          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_109_7">To_Be_Free</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A> /= System.Null_Address <b>then</b>
132             <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_111_7">Low_Level</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_109_7">To_Be_Free</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>;
133             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_111_7">Low_Level</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_126_10">Freearg</A> /= <b>null</b> <b>then</b>
134                <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_111_7">Low_Level</A>.<b>all</b>.<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_109_7">To_Be_Free</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
135             <b>end</b> <b>if</b>;
136          <b>end</b> <b>if</b>;
137          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_109_7">To_Be_Free</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b> <b>then</b>
138             Free_Type (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_109_7">To_Be_Free</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>);
139          <b>end</b> <b>if</b>;
140          Freeargs (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_109_7">To_Be_Free</A>);
141       <b>end</b> <b>if</b>;
142    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>;
143
144    <b>procedure</b> <span class="symbol"><A NAME="ref_127_14" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_14">Wrap_Builtin</A></span> (<span class="symbol"><A NAME="ref_127_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
145                            <span class="symbol"><A NAME="ref_128_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_152_28">Typ</A></span> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>'Class;
146                            <span class="symbol"><A NAME="ref_129_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_153_28">Cft</A></span> : <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>)
147    <b>is</b>
148       <span class="symbol"><A NAME="ref_131_7">Usr_Arg</A></span>   : <b>constant</b> System.Address := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_61_13">Get_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A>);
149       <span class="symbol"><A NAME="ref_132_7">Low_Level</A></span> : <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_58_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A>);
150       <span class="symbol"><A NAME="ref_133_7">Arg</A></span> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>;
151       <b>function</b> <span class="symbol"><A NAME="ref_134_16">Set_Fld_Type</A></span> (<span class="symbol"><A NAME="ref_134_30" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_134_16">F</A></span>    : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A>;
152                              <span class="symbol"><A NAME="ref_135_30" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_134_16">Cf</A></span>   : <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>;
153                              <span class="symbol"><A NAME="ref_136_30" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_134_16">Arg1</A></span> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>) <b>return</b> <A HREF="terminal_interface-curses-aux__ads.htm#ref_69_9">Eti_Error</A>;
154       <b>pragma</b> Import (C, Set_Fld_Type, "set_field_type_user");
155
156    <b>begin</b>
157       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_132_7">Low_Level</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>);
158       <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>
159          <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_287_4">Form_Exception</A>;
160       <b>else</b>
161          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Arg</A> := <b>new</b> <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_213_7">Usr</A> =&gt; System.Null_Address,
162                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> =&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>),
163                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A> =&gt; <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_58_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_28">Fld</A>));
164          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_131_7">Usr_Arg</A> /= System.Null_Address <b>then</b>
165             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_132_7">Low_Level</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_125_10">Copyarg</A> /= <b>null</b> <b>then</b>
166                <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Arg</A>.<b>all</b>.<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_132_7">Low_Level</A>.<b>all</b>.<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_131_7">Usr_Arg</A>);
167             <b>else</b>
168                <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Arg</A>.<b>all</b>.<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_131_7">Usr_Arg</A>;
169             <b>end</b> <b>if</b>;
170          <b>end</b> <b>if</b>;
171
172          <A HREF="terminal_interface-curses-aux__ads.htm#ref_86_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_134_16">Set_Fld_Type</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_136_30">Arg1</A> =&gt; <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_133_7">Arg</A>));
173       <b>end</b> <b>if</b>;
174    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_151_14">Wrap_Builtin</A>;
175
176    <b>function</b> <span class="symbol"><A NAME="ref_159_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_13">Field_Check_Router</A></span> (<span class="symbol"><A NAME="ref_159_33" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_33">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
177                                 <span class="symbol"><A NAME="ref_160_33" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_178_33">Usr</A></span> : System.Address) <b>return</b> <A HREF="terminal_interface-curses__ads.htm#ref_2098_9">Curses_Bool</A>
178    <b>is</b>
179       <span class="symbol"><A NAME="ref_162_7">Arg</A></span>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>
180    := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A> (Argument_Conversions.To_Pointer (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_178_33">Usr</A>));
181    <b>begin</b>
182       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_162_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_162_7">Arg</A>.<b>all</b>.<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>
183                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_162_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
184       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_162_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_127_10">Fcheck</A> /= <b>null</b> <b>then</b>
185          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_162_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<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_162_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
186       <b>else</b>
187          <b>return</b> 1;
188       <b>end</b> <b>if</b>;
189    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_13">Field_Check_Router</A>;
190
191    <b>function</b> <span class="symbol"><A NAME="ref_174_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A></span> (<span class="symbol"><A NAME="ref_174_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_32">Ch</A></span>  : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>;
192                                <span class="symbol"><A NAME="ref_175_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_186_32">Usr</A></span> : System.Address) <b>return</b> <A HREF="terminal_interface-curses__ads.htm#ref_2098_9">Curses_Bool</A>
193    <b>is</b>
194       <span class="symbol"><A NAME="ref_177_7">Arg</A></span>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>
195    := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A> (Argument_Conversions.To_Pointer (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_186_32">Usr</A>));
196    <b>begin</b>
197       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_177_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_177_7">Arg</A>.<b>all</b>.<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>
198                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_177_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
199       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_177_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_128_10">Ccheck</A> /= <b>null</b> <b>then</b>
200          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_177_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<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_177_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
201       <b>else</b>
202          <b>return</b> 1;
203       <b>end</b> <b>if</b>;
204    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>;
205
206    <b>function</b> <span class="symbol"><A NAME="ref_189_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A></span> (<span class="symbol"><A NAME="ref_189_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_26">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
207                          <span class="symbol"><A NAME="ref_190_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_194_26">Usr</A></span> : System.Address) <b>return</b> <A HREF="terminal_interface-curses__ads.htm#ref_2098_9">Curses_Bool</A>
208    <b>is</b>
209       <span class="symbol"><A NAME="ref_192_7">Arg</A></span>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>
210    := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A> (Argument_Conversions.To_Pointer (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_194_26">Usr</A>));
211    <b>begin</b>
212       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_192_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_192_7">Arg</A>.<b>all</b>.<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>
213                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_192_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
214       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_192_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_129_10">Next</A> /= <b>null</b> <b>then</b>
215          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_192_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<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_192_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
216       <b>else</b>
217          <b>return</b> 1;
218       <b>end</b> <b>if</b>;
219    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A>;
220
221    <b>function</b> <span class="symbol"><A NAME="ref_204_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A></span> (<span class="symbol"><A NAME="ref_204_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_26">Fld</A></span> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_51_9">Field</A>;
222                          <span class="symbol"><A NAME="ref_205_26" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_202_26">Usr</A></span> : System.Address) <b>return</b> <A HREF="terminal_interface-curses__ads.htm#ref_2098_9">Curses_Bool</A>
223    <b>is</b>
224       <span class="symbol"><A NAME="ref_207_7">Arg</A></span>  : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A> :=
225                <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A> (Argument_Conversions.To_Pointer (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_202_26">Usr</A>));
226    <b>begin</b>
227       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_7">Arg</A> /= <b>null</b> <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_7">Arg</A>.<b>all</b>.<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>
228                      <b>and</b> <b>then</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> /= <b>null</b>);
229       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_129_16">Prev</A> /= <b>null</b> <b>then</b>
230          <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A>.<b>all</b>.<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_207_7">Arg</A>.<b>all</b>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A>);
231       <b>else</b>
232          <b>return</b> 1;
233       <b>end</b> <b>if</b>;
234    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A>;
235
236    <span class="comment"><EM>--  -----------------------------------------------------------------------</EM></span>
237    <span class="comment"><EM>--</EM></span>
238    <b>function</b> <span class="symbol"><A NAME="ref_221_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_148_13">C_Builtin_Router</A></span> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>
239    <b>is</b>
240       <span class="symbol"><A NAME="ref_223_7">T</A></span>   : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
241    <b>begin</b>
242       <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>
243          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_223_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>,
244                              <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>'<b>Access</b>);
245          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_223_7">T</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
246             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_287_4">Form_Exception</A>;
247          <b>else</b>
248             <A HREF="terminal_interface-curses-aux__ads.htm#ref_86_14">Eti_Exception</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_223_7">T</A>,
249                                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>,
250                                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>,
251                                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>));
252          <b>end</b> <b>if</b>;
253          <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_223_7">T</A>;
254       <b>end</b> <b>if</b>;
255       <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>);
256       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_143_4">M_Builtin_Router</A>;
257    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_148_13">C_Builtin_Router</A>;
258
259    <span class="comment"><EM>--  -----------------------------------------------------------------------</EM></span>
260    <span class="comment"><EM>--</EM></span>
261    <b>function</b> <span class="symbol"><A NAME="ref_244_13" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Choice_Router</A></span> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>
262    <b>is</b>
263       <span class="symbol"><A NAME="ref_246_7">T</A></span>   : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
264    <b>begin</b>
265       <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>
266          <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_246_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>,
267                              <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>'<b>Access</b>);
268          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_246_7">T</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
269             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_287_4">Form_Exception</A>;
270          <b>else</b>
271             <A HREF="terminal_interface-curses-aux__ads.htm#ref_86_14">Eti_Exception</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_246_7">T</A>,
272                                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>,
273                                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>,
274                                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>));
275
276             <A HREF="terminal_interface-curses-aux__ads.htm#ref_86_14">Eti_Exception</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_246_7">T</A>,
277                                                  <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A>'<b>Access</b>,
278                                                  <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A>'<b>Access</b>));
279          <b>end</b> <b>if</b>;
280          <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_246_7">T</A>;
281       <b>end</b> <b>if</b>;
282       <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>);
283       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_144_4">M_Choice_Router</A>;
284    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_149_13">C_Choice_Router</A>;
285
286 <b>end</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_47_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_45_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_44_41">Field_Types</A>;
287 </PRE></BODY></HTML>