ncurses 6.3 - patch 20220514
[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>--                           <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>