1 <HTML><HEAD><TITLE>terminal_interface-curses-forms-field_types.adb</TITLE></HEAD>
3 <HR><DIV ALIGN="center"><H1> File : terminal_interface-curses-forms-field_types.adb </H1></DIV><HR>
5 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
6 <FONT COLOR=green><EM>-- --</EM></FONT>
7 <FONT COLOR=green><EM>-- <A HREF="http://www.gnat.com">GNAT</A> ncurses Binding --</EM></FONT>
8 <FONT COLOR=green><EM>-- --</EM></FONT>
9 <FONT COLOR=green><EM>-- Terminal_Interface.Curses.Forms.Field_Types --</EM></FONT>
10 <FONT COLOR=green><EM>-- --</EM></FONT>
11 <FONT COLOR=green><EM>-- B O D Y --</EM></FONT>
12 <FONT COLOR=green><EM>-- --</EM></FONT>
13 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
14 <FONT COLOR=green><EM>-- Copyright (c) 1998 Free Software Foundation, Inc. --</EM></FONT>
15 <FONT COLOR=green><EM>-- --</EM></FONT>
16 <FONT COLOR=green><EM>-- Permission is hereby granted, free of charge, to any person obtaining a --</EM></FONT>
17 <FONT COLOR=green><EM>-- copy of this software and associated documentation files (the --</EM></FONT>
18 <FONT COLOR=green><EM>-- "Software"), to deal in the Software without restriction, including --</EM></FONT>
19 <FONT COLOR=green><EM>-- without limitation the rights to use, copy, modify, merge, publish, --</EM></FONT>
20 <FONT COLOR=green><EM>-- distribute, distribute with modifications, sublicense, and/or sell --</EM></FONT>
21 <FONT COLOR=green><EM>-- copies of the Software, and to permit persons to whom the Software is --</EM></FONT>
22 <FONT COLOR=green><EM>-- furnished to do so, subject to the following conditions: --</EM></FONT>
23 <FONT COLOR=green><EM>-- --</EM></FONT>
24 <FONT COLOR=green><EM>-- The above copyright notice and this permission notice shall be included --</EM></FONT>
25 <FONT COLOR=green><EM>-- in all copies or substantial portions of the Software. --</EM></FONT>
26 <FONT COLOR=green><EM>-- --</EM></FONT>
27 <FONT COLOR=green><EM>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</EM></FONT>
28 <FONT COLOR=green><EM>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</EM></FONT>
29 <FONT COLOR=green><EM>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</EM></FONT>
30 <FONT COLOR=green><EM>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</EM></FONT>
31 <FONT COLOR=green><EM>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</EM></FONT>
32 <FONT COLOR=green><EM>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</EM></FONT>
33 <FONT COLOR=green><EM>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</EM></FONT>
34 <FONT COLOR=green><EM>-- --</EM></FONT>
35 <FONT COLOR=green><EM>-- Except as contained in this notice, the name(s) of the above copyright --</EM></FONT>
36 <FONT COLOR=green><EM>-- holders shall not be used in advertising or otherwise to promote the --</EM></FONT>
37 <FONT COLOR=green><EM>-- sale, use or other dealings in this Software without prior written --</EM></FONT>
38 <FONT COLOR=green><EM>-- authorization. --</EM></FONT>
39 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
40 <FONT COLOR=green><EM>-- Author: <A HREF="http://home.t-online.de/home/Juergen.Pfeifer">Jürgen Pfeifer</A> <<A HREF="mailto:juergen.pfeifer@gmx.net"><juergen.pfeifer@gmx.net></A>> 1996</EM></FONT>
41 <FONT COLOR=green><EM>-- Version Control:</EM></FONT>
42 <FONT COLOR=green><EM>-- @Revision: 1.12 @</EM></FONT>
43 <FONT COLOR=green><EM>-- Binding Version 01.00</EM></FONT>
44 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
45 <b>with</b> <A HREF="interfac__ads.htm#23_9">Interfaces</A>.C;
46 <b>with</b> <A HREF="terminal_interface__ads.htm#41_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#48_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#50_35">Aux</A>; <b>use</b> <A HREF="terminal_interface__ads.htm#41_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#48_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#50_35">Aux</A>;
47 <b>with</b> Ada.Unchecked_Deallocation;
48 <b>with</b> Ada.Unchecked_Conversion;
49 <FONT COLOR=green><EM>-- |</EM></FONT>
50 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT>
51 <FONT COLOR=green><EM>-- | man page form_fieldtype.3x</EM></FONT>
52 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT>
53 <FONT COLOR=green><EM>-- |</EM></FONT>
54 <b>package</b> <b>body</b> Terminal_Interface.Curses.Forms.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#43_41">Field_Types</A><FONT COLOR=red><A NAME="50_46"></A></FONT> <b>is</b>
56 <b>use</b> <b>type</b> <A HREF="interfac__ads.htm#23_9">Interfaces</A>.C.int;
57 <b>use</b> <b>type</b> System.Address;
59 <b>function</b> <FONT COLOR=red><A NAME="55_13">To_Argument_Access</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Conversion
60 (System.Address, Argument_Access);
62 <b>function</b> <FONT COLOR=red><A NAME="58_13">Get_Fieldtype</A></FONT> (<FONT COLOR=red><A NAME="58_28">F</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>) <b>return</b> C_Field_Type;
63 <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#58_13">Get_Fieldtype</A>, "field_type");
65 <b>function</b> <FONT COLOR=red><A NAME="61_13">Get_Arg</A></FONT> (<FONT COLOR=red><A NAME="61_22">F</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>) <b>return</b> System.Address;
66 <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#61_13">Get_Arg</A>, "field_arg");
67 <FONT COLOR=green><EM>-- |</EM></FONT>
68 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT>
69 <FONT COLOR=green><EM>-- | man page form_field_validation.3x</EM></FONT>
70 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT>
71 <FONT COLOR=green><EM>-- |</EM></FONT>
72 <FONT COLOR=green><EM>-- |</EM></FONT>
73 <FONT COLOR=green><EM>-- |</EM></FONT>
74 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#79_13">Get_Type</A><FONT COLOR=red><A NAME="70_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#79_23">Fld</A> : <b>in</b> <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>) <b>return</b> Field_Type_Access
76 Low_Level : <b>constant</b> C_Field_Type := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#58_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#79_23">Fld</A>);
77 Arg : Argument_Access;
79 <b>if</b> Low_Level = Null_Field_Type <b>then</b>
80 <b>return</b> <b>null</b>;
82 <b>if</b> Low_Level = M_Builtin_Router <b>or</b> <b>else</b>
83 Low_Level = M_Generic_Type <b>or</b> <b>else</b>
84 Low_Level = M_Choice_Router <b>or</b> <b>else</b>
85 Low_Level = M_Generic_Choice <b>then</b>
86 Arg := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#55_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#61_13">Get_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#79_23">Fld</A>));
87 <b>if</b> Arg = <b>null</b> <b>then</b>
88 <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#289_4">Form_Exception</A>;
90 <b>return</b> Arg.Typ;
93 <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#289_4">Form_Exception</A>;
98 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#162_13">Make_Arg</A><FONT COLOR=red><A NAME="94_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#162_23">Args</A> : System.Address) <b>return</b> System.Address
100 <FONT COLOR=green><EM>-- Actually args is a double indirected pointer to the arguments</EM></FONT>
101 <FONT COLOR=green><EM>-- of a C variable argument list. In theory it is now quite</EM></FONT>
102 <FONT COLOR=green><EM>-- complicated to write portable routine that reads the arguments,</EM></FONT>
103 <FONT COLOR=green><EM>-- because one has to know the growth direction of the stack and</EM></FONT>
104 <FONT COLOR=green><EM>-- the sizes of the individual arguments.</EM></FONT>
105 <FONT COLOR=green><EM>-- Fortunately we are only interested in the first argument (#0),</EM></FONT>
106 <FONT COLOR=green><EM>-- we know its size and for the first arg we don't care about</EM></FONT>
107 <FONT COLOR=green><EM>-- into which stack direction we have to proceed. We simply</EM></FONT>
108 <FONT COLOR=green><EM>-- resolve the double indirection and thats it.</EM></FONT>
109 <b>type</b> V <b>is</b> <b>access</b> <b>all</b> System.Address;
110 <b>function</b> <FONT COLOR=red><A NAME="106_16">To_Access</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Conversion (System.Address,
113 <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#106_16">To_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#106_16">To_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#162_23">Args</A>).<b>all</b>).<b>all</b>;
116 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#167_13">Copy_Arg</A><FONT COLOR=red><A NAME="112_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#167_23">Usr</A> : System.Address) <b>return</b> System.Address
119 <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#167_23">Usr</A>;
122 <b>procedure</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#172_14">Free_Arg</A><FONT COLOR=red><A NAME="118_14"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#172_24">Usr</A> : <b>in</b> System.Address)
124 <b>procedure</b> <FONT COLOR=red><A NAME="120_17">Free_Type</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
125 (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#52_9">Field_Type</A>'Class, Field_Type_Access);
126 <b>procedure</b> <FONT COLOR=red><A NAME="122_17">Freeargs</A></FONT> <b>is</b> <b>new</b> Ada.Unchecked_Deallocation
127 (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#211_9">Argument</A>, Argument_Access);
129 To_Be_Free : Argument_Access := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#55_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#172_24">Usr</A>);
130 Low_Level : C_Field_Type;
132 <b>if</b> To_Be_Free /= <b>null</b> <b>then</b>
133 <b>if</b> To_Be_Free.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A> /= System.Null_Address <b>then</b>
134 Low_Level := To_Be_Free.Cft;
135 <b>if</b> Low_Level.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#126_10">Freearg</A> /= <b>null</b> <b>then</b>
136 Low_Level.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#126_10">Freearg</A> (To_Be_Free.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A>);
137 <b>end</b> <b>if</b>;
138 <b>end</b> <b>if</b>;
139 <b>if</b> To_Be_Free.Typ /= <b>null</b> <b>then</b>
140 <A HREF="terminal_interface-curses-forms-field_types__adb.htm#120_17">Free_Type</A> (To_Be_Free.Typ);
141 <b>end</b> <b>if</b>;
142 <A HREF="terminal_interface-curses-forms-field_types__adb.htm#122_17">Freeargs</A> (To_Be_Free);
143 <b>end</b> <b>if</b>;
147 <b>procedure</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#151_14">Wrap_Builtin</A><FONT COLOR=red><A NAME="143_14"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#151_28">Fld</A> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>;
148 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#152_28">Typ</A> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#52_9">Field_Type</A>'Class;
149 Cft : C_Field_Type := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#148_13">C_Builtin_Router</A>)
151 <FONT COLOR=red><A NAME="147_7">Usr_Arg</A></FONT> : System.Address := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#61_13">Get_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#151_28">Fld</A>);
152 Low_Level : <b>constant</b> C_Field_Type := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#58_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#151_28">Fld</A>);
153 Arg : Argument_Access;
154 <FONT COLOR=red><A NAME="150_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#78_12">Eti_Error</A>;
155 <b>function</b> <FONT COLOR=red><A NAME="151_16">Set_Fld_Type</A></FONT> (<FONT COLOR=red><A NAME="151_30">F</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#151_28">Fld</A>;
156 Cf : C_Field_Type := Cft;
157 Arg1 : Argument_Access) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#46_12">C_Int</A>;
158 <b>pragma</b> Import (C, <A HREF="terminal_interface-curses-forms-field_types__adb.htm#151_16">Set_Fld_Type</A>, "set_field_type");
161 <b>pragma</b> Assert (Low_Level /= Null_Field_Type);
162 <b>if</b> Cft /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#148_13">C_Builtin_Router</A> <b>and</b> <b>then</b> Cft /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#149_13">C_Choice_Router</A> <b>then</b>
163 <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#289_4">Form_Exception</A>;
165 Arg := <b>new</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#211_9">Argument</A>'(Usr => System.Null_Address,
166 Typ => <b>new</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#52_9">Field_Type</A>'Class'(<A HREF="terminal_interface-curses-forms-field_types__ads.htm#152_28">Typ</A>),
167 Cft => <A HREF="terminal_interface-curses-forms-field_types__adb.htm#58_13">Get_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#151_28">Fld</A>));
168 <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#147_7">Usr_Arg</A> /= System.Null_Address <b>then</b>
169 <b>if</b> Low_Level.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#125_10">Copyarg</A> /= <b>null</b> <b>then</b>
170 Arg.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A> := Low_Level.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#125_10">Copyarg</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#147_7">Usr_Arg</A>);
172 Arg.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#147_7">Usr_Arg</A>;
173 <b>end</b> <b>if</b>;
174 <b>end</b> <b>if</b>;
176 <A HREF="terminal_interface-curses-forms-field_types__adb.htm#150_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#151_16">Set_Fld_Type</A> (Arg1 => Arg);
177 <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#150_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#80_4">E_Ok</A> <b>then</b>
178 <A HREF="terminal_interface-curses-aux__ads.htm#96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#150_7">Res</A>);
179 <b>end</b> <b>if</b>;
180 <b>end</b> <b>if</b>;
181 <b>end</b> Wrap_Builtin;
183 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#177_13">Field_Check_Router</A><FONT COLOR=red><A NAME="179_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#177_33">Fld</A> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>;
184 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#178_33">Usr</A> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#46_12">C_Int</A>
186 Arg : <b>constant</b> Argument_Access := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#55_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#178_33">Usr</A>);
188 <b>pragma</b> Assert (Arg /= <b>null</b> <b>and</b> <b>then</b> Arg.Cft /= Null_Field_Type
189 <b>and</b> <b>then</b> Arg.Typ /= <b>null</b>);
190 <b>if</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#127_10">Fcheck</A> /= <b>null</b> <b>then</b>
191 <b>return</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#127_10">Fcheck</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#177_33">Fld</A>, Arg.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A>);
194 <b>end</b> <b>if</b>;
195 <b>end</b> Field_Check_Router;
197 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#185_13">Char_Check_Router</A><FONT COLOR=red><A NAME="193_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#185_32">Ch</A> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#46_12">C_Int</A>;
198 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#186_32">Usr</A> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#46_12">C_Int</A>
200 Arg : <b>constant</b> Argument_Access := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#55_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#186_32">Usr</A>);
202 <b>pragma</b> Assert (Arg /= <b>null</b> <b>and</b> <b>then</b> Arg.Cft /= Null_Field_Type
203 <b>and</b> <b>then</b> Arg.Typ /= <b>null</b>);
204 <b>if</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#128_10">Ccheck</A> /= <b>null</b> <b>then</b>
205 <b>return</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#128_10">Ccheck</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#185_32">Ch</A>, Arg.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A>);
208 <b>end</b> <b>if</b>;
209 <b>end</b> Char_Check_Router;
211 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#193_13">Next_Router</A><FONT COLOR=red><A NAME="207_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#193_26">Fld</A> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>;
212 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#194_26">Usr</A> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#46_12">C_Int</A>
214 Arg : <b>constant</b> Argument_Access := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#55_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#194_26">Usr</A>);
216 <b>pragma</b> Assert (Arg /= <b>null</b> <b>and</b> <b>then</b> Arg.Cft /= Null_Field_Type
217 <b>and</b> <b>then</b> Arg.Typ /= <b>null</b>);
218 <b>if</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#129_10">Next</A> /= <b>null</b> <b>then</b>
219 <b>return</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#129_10">Next</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#193_26">Fld</A>, Arg.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A>);
222 <b>end</b> <b>if</b>;
223 <b>end</b> Next_Router;
225 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#201_13">Prev_Router</A><FONT COLOR=red><A NAME="221_13"></A></FONT> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#201_26">Fld</A> : <A HREF="terminal_interface-curses-forms__ads.htm#56_9">Field</A>;
226 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#202_26">Usr</A> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#46_12">C_Int</A>
228 Arg : <b>constant</b> Argument_Access := <A HREF="terminal_interface-curses-forms-field_types__adb.htm#55_13">To_Argument_Access</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#202_26">Usr</A>);
230 <b>pragma</b> Assert (Arg /= <b>null</b> <b>and</b> <b>then</b> Arg.Cft /= Null_Field_Type
231 <b>and</b> <b>then</b> Arg.Typ /= <b>null</b>);
232 <b>if</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#129_16">Prev</A> /= <b>null</b> <b>then</b>
233 <b>return</b> Arg.Cft.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#129_16">Prev</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#201_26">Fld</A>, Arg.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#213_7">Usr</A>);
236 <b>end</b> <b>if</b>;
237 <b>end</b> Prev_Router;
239 <FONT COLOR=green><EM>-- -----------------------------------------------------------------------</EM></FONT>
240 <FONT COLOR=green><EM>--</EM></FONT>
241 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#148_13">C_Builtin_Router</A><FONT COLOR=red><A NAME="237_13"></A></FONT> <b>return</b> C_Field_Type
243 <FONT COLOR=red><A NAME="239_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#78_12">Eti_Error</A>;
246 <b>if</b> M_Builtin_Router = Null_Field_Type <b>then</b>
247 T := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#222_13">New_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#177_13">Field_Check_Router</A>'<b>Access</b>,
248 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#185_13">Char_Check_Router</A>'<b>Access</b>);
249 <b>if</b> T = Null_Field_Type <b>then</b>
250 <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#289_4">Form_Exception</A>;
252 <A HREF="terminal_interface-curses-forms-field_types__adb.htm#239_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#227_13">Set_Fieldtype_Arg</A> (T,
253 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#162_13">Make_Arg</A>'<b>Access</b>,
254 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#167_13">Copy_Arg</A>'<b>Access</b>,
255 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#172_14">Free_Arg</A>'<b>Access</b>);
256 <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#239_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#80_4">E_Ok</A> <b>then</b>
257 <A HREF="terminal_interface-curses-aux__ads.htm#96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#239_7">Res</A>);
258 <b>end</b> <b>if</b>;
259 <b>end</b> <b>if</b>;
260 M_Builtin_Router := T;
261 <b>end</b> <b>if</b>;
262 <b>pragma</b> Assert (M_Builtin_Router /= Null_Field_Type);
263 <b>return</b> M_Builtin_Router;
264 <b>end</b> C_Builtin_Router;
266 <FONT COLOR=green><EM>-- -----------------------------------------------------------------------</EM></FONT>
267 <FONT COLOR=green><EM>--</EM></FONT>
268 <b>function</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#149_13">C_Choice_Router</A><FONT COLOR=red><A NAME="264_13"></A></FONT> <b>return</b> C_Field_Type
270 <FONT COLOR=red><A NAME="266_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#78_12">Eti_Error</A>;
273 <b>if</b> M_Choice_Router = Null_Field_Type <b>then</b>
274 T := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#222_13">New_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#177_13">Field_Check_Router</A>'<b>Access</b>,
275 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#185_13">Char_Check_Router</A>'<b>Access</b>);
276 <b>if</b> T = Null_Field_Type <b>then</b>
277 <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#289_4">Form_Exception</A>;
279 <A HREF="terminal_interface-curses-forms-field_types__adb.htm#266_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#227_13">Set_Fieldtype_Arg</A> (T,
280 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#162_13">Make_Arg</A>'<b>Access</b>,
281 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#167_13">Copy_Arg</A>'<b>Access</b>,
282 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#172_14">Free_Arg</A>'<b>Access</b>);
283 <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#266_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#80_4">E_Ok</A> <b>then</b>
284 <A HREF="terminal_interface-curses-aux__ads.htm#96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#266_7">Res</A>);
285 <b>end</b> <b>if</b>;
287 <A HREF="terminal_interface-curses-forms-field_types__adb.htm#266_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#234_13">Set_Fieldtype_Choice</A> (T,
288 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#193_13">Next_Router</A>'<b>Access</b>,
289 <A HREF="terminal_interface-curses-forms-field_types__ads.htm#201_13">Prev_Router</A>'<b>Access</b>);
290 <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__adb.htm#266_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#80_4">E_Ok</A> <b>then</b>
291 <A HREF="terminal_interface-curses-aux__ads.htm#96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types__adb.htm#266_7">Res</A>);
292 <b>end</b> <b>if</b>;
293 <b>end</b> <b>if</b>;
294 M_Choice_Router := T;
295 <b>end</b> <b>if</b>;
296 <b>pragma</b> Assert (M_Choice_Router /= Null_Field_Type);
297 <b>return</b> M_Choice_Router;
298 <b>end</b> C_Choice_Router;
300 <b>end</b> Terminal_Interface.Curses.Forms.Field_Types;