1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<HTML><HEAD><TITLE>terminal_interface-curses-forms-field_types.ads</TITLE></HEAD> 3<BODY> 4<HR><DIV ALIGN="center"><H1> File : terminal_interface-curses-forms-field_types.ads </H1></DIV><HR> 5<PRE> 6<FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT> 7<FONT COLOR=green><EM>-- --</EM></FONT> 8<FONT COLOR=green><EM>-- <A HREF="http://www.gnat.com">GNAT</A> ncurses Binding --</EM></FONT> 9<FONT COLOR=green><EM>-- --</EM></FONT> 10<FONT COLOR=green><EM>-- Terminal_Interface.Curses.Forms.Field_Types --</EM></FONT> 11<FONT COLOR=green><EM>-- --</EM></FONT> 12<FONT COLOR=green><EM>-- S P E C --</EM></FONT> 13<FONT COLOR=green><EM>-- --</EM></FONT> 14<FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT> 15<FONT COLOR=green><EM>-- Copyright (c) 1998 Free Software Foundation, Inc. --</EM></FONT> 16<FONT COLOR=green><EM>-- --</EM></FONT> 17<FONT COLOR=green><EM>-- Permission is hereby granted, free of charge, to any person obtaining a --</EM></FONT> 18<FONT COLOR=green><EM>-- copy of this software and associated documentation files (the --</EM></FONT> 19<FONT COLOR=green><EM>-- "Software"), to deal in the Software without restriction, including --</EM></FONT> 20<FONT COLOR=green><EM>-- without limitation the rights to use, copy, modify, merge, publish, --</EM></FONT> 21<FONT COLOR=green><EM>-- distribute, distribute with modifications, sublicense, and/or sell --</EM></FONT> 22<FONT COLOR=green><EM>-- copies of the Software, and to permit persons to whom the Software is --</EM></FONT> 23<FONT COLOR=green><EM>-- furnished to do so, subject to the following conditions: --</EM></FONT> 24<FONT COLOR=green><EM>-- --</EM></FONT> 25<FONT COLOR=green><EM>-- The above copyright notice and this permission notice shall be included --</EM></FONT> 26<FONT COLOR=green><EM>-- in all copies or substantial portions of the Software. --</EM></FONT> 27<FONT COLOR=green><EM>-- --</EM></FONT> 28<FONT COLOR=green><EM>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</EM></FONT> 29<FONT COLOR=green><EM>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</EM></FONT> 30<FONT COLOR=green><EM>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</EM></FONT> 31<FONT COLOR=green><EM>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</EM></FONT> 32<FONT COLOR=green><EM>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</EM></FONT> 33<FONT COLOR=green><EM>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</EM></FONT> 34<FONT COLOR=green><EM>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</EM></FONT> 35<FONT COLOR=green><EM>-- --</EM></FONT> 36<FONT COLOR=green><EM>-- Except as contained in this notice, the name(s) of the above copyright --</EM></FONT> 37<FONT COLOR=green><EM>-- holders shall not be used in advertising or otherwise to promote the --</EM></FONT> 38<FONT COLOR=green><EM>-- sale, use or other dealings in this Software without prior written --</EM></FONT> 39<FONT COLOR=green><EM>-- authorization. --</EM></FONT> 40<FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT> 41<FONT COLOR=green><EM>-- Author: Juergen Pfeifer, 1996</EM></FONT> 42<FONT COLOR=green><EM>-- Version Control:</EM></FONT> 43<FONT COLOR=green><EM>-- @Revision: 1.14 @</EM></FONT> 44<FONT COLOR=green><EM>-- Binding Version 01.00</EM></FONT> 45<FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT> 46<b>with</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C; 47 48<b>package</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_49_35">Forms</A>.<FONT COLOR=red><A NAME="ref_43_41" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_50_46">Field_Types</A></FONT> <b>is</b> 49 <b>pragma</b> Preelaborate (<A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_49_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_43_41">Field_Types</A>); 50 <b>use</b> <b>type</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C.int; 51 <b>subtype</b> <FONT COLOR=red><A NAME="ref_46_12">C_Int</A></FONT> <b>is</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C.int; 52 53 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT> 54 <FONT COLOR=green><EM>-- | Man page <A HREF="/man/form_fieldtype.3x.html">form_fieldtype.3x</A></EM></FONT> 55 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT> 56 57 <b>type</b> <FONT COLOR=red><A NAME="ref_52_9">Field_Type</A></FONT> <b>is</b> <b>abstract</b> <b>tagged</b> <b>null</b> <b>record</b>; 58 <FONT COLOR=green><EM>-- Abstract base type for all field types. A concrete field type</EM></FONT> 59 <FONT COLOR=green><EM>-- is an extension that adds some data elements describing formats or</EM></FONT> 60 <FONT COLOR=green><EM>-- boundary values for the type and validation routines.</EM></FONT> 61 <FONT COLOR=green><EM>-- For the builtin low-level fieldtypes, the validation routines are</EM></FONT> 62 <FONT COLOR=green><EM>-- already defined by the low-level C library.</EM></FONT> 63 <FONT COLOR=green><EM>-- The builtin types like Alpha or AlphaNumeric etc. are defined in</EM></FONT> 64 <FONT COLOR=green><EM>-- child packages of this package. You may use one of them as example</EM></FONT> 65 <FONT COLOR=green><EM>-- how to create you own child packages for low-level field types that</EM></FONT> 66 <FONT COLOR=green><EM>-- you may have already written in C.</EM></FONT> 67 68 <b>type</b> <FONT COLOR=red><A NAME="ref_63_9">Field_Type_Access</A></FONT> <b>is</b> <b>access</b> <b>all</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>'Class; 69 70 <FONT COLOR=green><EM>-- #1A NAME="AFU_1"#2|</EM></FONT> 71 <b>procedure</b> <FONT COLOR=red><A NAME="ref_66_14">Set_Field_Type</A></FONT> (<FONT COLOR=red><A NAME="ref_66_30" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_66_14">Fld</A></FONT> : <b>in</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; 72 <FONT COLOR=red><A NAME="ref_67_30" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_66_14">Fld_Type</A></FONT> : <b>in</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>) <b>is</b> <b>abstract</b>; 73 <FONT COLOR=green><EM>-- AKA: <A HREF="/man/form_fieldtype.3x.html">set_field_type()</A></EM></FONT> 74 <FONT COLOR=green><EM>-- But: we hide the vararg mechanism of the C interface. You always</EM></FONT> 75 <FONT COLOR=green><EM>-- have to pass a single Field_Type parameter.</EM></FONT> 76 77 <FONT COLOR=green><EM>-- ---------------------------------------------------------------------</EM></FONT> 78 79 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT> 80 <FONT COLOR=green><EM>-- | Man page <A HREF="/man/form_field_validation.3x.html">form_field_validation.3x</A></EM></FONT> 81 <FONT COLOR=green><EM>-- |=====================================================================</EM></FONT> 82 83 <FONT COLOR=green><EM>-- #1A NAME="AFU_2"#2|</EM></FONT> 84 <b>function</b> <FONT COLOR=red><A NAME="ref_79_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_71_13">Get_Type</A></FONT> (<FONT COLOR=red><A NAME="ref_79_23" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_71_23">Fld</A></FONT> : <b>in</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_63_9">Field_Type_Access</A>; 85 <FONT COLOR=green><EM>-- AKA: <A HREF="/man/form_field_validation.3x.html">field_type()</A></EM></FONT> 86 <FONT COLOR=green><EM>-- AKA: field_arg()</EM></FONT> 87 <FONT COLOR=green><EM>-- In Ada95 we can combine these. If you try to retrieve the field type</EM></FONT> 88 <FONT COLOR=green><EM>-- that is not defined as extension of the abstract tagged type above,</EM></FONT> 89 <FONT COLOR=green><EM>-- you will raise a Form_Exception.</EM></FONT> 90 <FONT COLOR=green><EM>-- This is not inlined</EM></FONT> 91 92 <FONT COLOR=green><EM>-- +----------------------------------------------------------------------</EM></FONT> 93 <FONT COLOR=green><EM>-- | Private Part.</EM></FONT> 94 <FONT COLOR=green><EM>-- | Most of this is used by the implementations of the child packages.</EM></FONT> 95 <FONT COLOR=green><EM>-- |</EM></FONT> 96<b>private</b> 97 <b>type</b> <FONT COLOR=red><A NAME="ref_92_9">Makearg_Function</A></FONT> <b>is</b> <b>access</b> 98 <b>function</b> (<FONT COLOR=red><A NAME="ref_93_16">Args</A></FONT> : System.Address) <b>return</b> System.Address; 99 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_92_9">Makearg_Function</A>); 100 101 <b>type</b> <FONT COLOR=red><A NAME="ref_96_9">Copyarg_Function</A></FONT> <b>is</b> <b>access</b> 102 <b>function</b> (<FONT COLOR=red><A NAME="ref_97_16">Usr</A></FONT> : System.Address) <b>return</b> System.Address; 103 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_96_9">Copyarg_Function</A>); 104 105 <b>type</b> <FONT COLOR=red><A NAME="ref_100_9">Freearg_Function</A></FONT> <b>is</b> <b>access</b> 106 <b>procedure</b> (<FONT COLOR=red><A NAME="ref_101_17">Usr</A></FONT> : System.Address); 107 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_100_9">Freearg_Function</A>); 108 109 <b>type</b> <FONT COLOR=red><A NAME="ref_104_9">Field_Check_Function</A></FONT> <b>is</b> <b>access</b> 110 <b>function</b> (<FONT COLOR=red><A NAME="ref_105_16">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; <FONT COLOR=red><A NAME="ref_105_29">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 111 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_104_9">Field_Check_Function</A>); 112 113 <b>type</b> <FONT COLOR=red><A NAME="ref_108_9">Char_Check_Function</A></FONT> <b>is</b> <b>access</b> 114 <b>function</b> (<FONT COLOR=red><A NAME="ref_109_16">Ch</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; <FONT COLOR=red><A NAME="ref_109_28">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 115 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_108_9">Char_Check_Function</A>); 116 117 <b>type</b> <FONT COLOR=red><A NAME="ref_112_9">Choice_Function</A></FONT> <b>is</b> <b>access</b> 118 <b>function</b> (<FONT COLOR=red><A NAME="ref_113_16">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; <FONT COLOR=red><A NAME="ref_113_29">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 119 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_112_9">Choice_Function</A>); 120 121 <FONT COLOR=green><EM>-- +----------------------------------------------------------------------</EM></FONT> 122 <FONT COLOR=green><EM>-- | This must be in sync with the FIELDTYPE structure in form.h</EM></FONT> 123 <FONT COLOR=green><EM>-- |</EM></FONT> 124 <b>type</b> <FONT COLOR=red><A NAME="ref_119_9">Low_Level_Field_Type</A></FONT> <b>is</b> 125 <b>record</b> 126 <FONT COLOR=red><A NAME="ref_121_10">Status</A></FONT> : <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C.short; 127 <FONT COLOR=red><A NAME="ref_122_10">Ref_Count</A></FONT> : <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C.long; 128 <FONT COLOR=red><A NAME="ref_123_10">Left</A></FONT>, <FONT COLOR=red><A NAME="ref_123_16">Right</A></FONT> : System.Address; 129 <FONT COLOR=red><A NAME="ref_124_10">Makearg</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_92_9">Makearg_Function</A>; 130 <FONT COLOR=red><A NAME="ref_125_10">Copyarg</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_96_9">Copyarg_Function</A>; 131 <FONT COLOR=red><A NAME="ref_126_10">Freearg</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_100_9">Freearg_Function</A>; 132 <FONT COLOR=red><A NAME="ref_127_10">Fcheck</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_104_9">Field_Check_Function</A>; 133 <FONT COLOR=red><A NAME="ref_128_10">Ccheck</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_108_9">Char_Check_Function</A>; 134 <FONT COLOR=red><A NAME="ref_129_10">Next</A></FONT>, <FONT COLOR=red><A NAME="ref_129_16">Prev</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_112_9">Choice_Function</A>; 135 <b>end</b> <b>record</b>; 136 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_119_9">Low_Level_Field_Type</A>); 137 <b>type</b> <FONT COLOR=red><A NAME="ref_132_9">C_Field_Type</A></FONT> <b>is</b> <b>access</b> <b>all</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_119_9">Low_Level_Field_Type</A>; 138 139 <FONT COLOR=red><A NAME="ref_134_4">Null_Field_Type</A></FONT> : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <b>null</b>; 140 141 <FONT COLOR=green><EM>-- +----------------------------------------------------------------------</EM></FONT> 142 <FONT COLOR=green><EM>-- | This four low-level fieldtypes are the ones associated with</EM></FONT> 143 <FONT COLOR=green><EM>-- | fieldtypes handled by this binding. Any other low-level fieldtype</EM></FONT> 144 <FONT COLOR=green><EM>-- | will result in a Form_Exception is function Get_Type.</EM></FONT> 145 <FONT COLOR=green><EM>-- |</EM></FONT> 146 <FONT COLOR=red><A NAME="ref_141_4">M_Generic_Type</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <b>null</b>; 147 <FONT COLOR=red><A NAME="ref_142_4">M_Generic_Choice</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <b>null</b>; 148 <FONT COLOR=red><A NAME="ref_143_4">M_Builtin_Router</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <b>null</b>; 149 <FONT COLOR=red><A NAME="ref_144_4">M_Choice_Router</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <b>null</b>; 150 151 <FONT COLOR=green><EM>-- Two wrapper functions to access those low-level fieldtypes defined</EM></FONT> 152 <FONT COLOR=green><EM>-- in this package.</EM></FONT> 153 <b>function</b> <FONT COLOR=red><A NAME="ref_148_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_237_13">C_Builtin_Router</A></FONT> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; 154 <b>function</b> <FONT COLOR=red><A NAME="ref_149_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_264_13">C_Choice_Router</A></FONT> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; 155 156 <b>procedure</b> <FONT COLOR=red><A NAME="ref_151_14" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_143_14">Wrap_Builtin</A></FONT> (<FONT COLOR=red><A NAME="ref_151_28" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_143_28">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; 157 <FONT COLOR=red><A NAME="ref_152_28" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_144_28">Typ</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_52_9">Field_Type</A>'Class; 158 <FONT COLOR=red><A NAME="ref_153_28" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_145_28">Cft</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_148_13">C_Builtin_Router</A>); 159 <FONT COLOR=green><EM>-- This procedure has to be called by the Set_Field_Type implementation</EM></FONT> 160 <FONT COLOR=green><EM>-- for builtin low-level fieldtypes to replace it by an Ada95</EM></FONT> 161 <FONT COLOR=green><EM>-- conformant Field_Type object.</EM></FONT> 162 <FONT COLOR=green><EM>-- The parameter Cft must be C_Builtin_Router for regular low-level</EM></FONT> 163 <FONT COLOR=green><EM>-- fieldtypes (like TYP_ALPHA or TYP_ALNUM) and C_Choice_Router for</EM></FONT> 164 <FONT COLOR=green><EM>-- low-level fieldtypes witch choice functions (like TYP_ENUM).</EM></FONT> 165 <FONT COLOR=green><EM>-- Any other value will raise a Form_Exception.</EM></FONT> 166 167 <b>function</b> <FONT COLOR=red><A NAME="ref_162_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_95_13">Make_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_162_23" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_95_23">Args</A></FONT> : System.Address) <b>return</b> System.Address; 168 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>); 169 <FONT COLOR=green><EM>-- This is the Makearg_Function for the internal low-level types</EM></FONT> 170 <FONT COLOR=green><EM>-- introduced by this binding.</EM></FONT> 171 172 <b>function</b> <FONT COLOR=red><A NAME="ref_167_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_113_13">Copy_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_167_23" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_113_23">Usr</A></FONT> : System.Address) <b>return</b> System.Address; 173 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>); 174 <FONT COLOR=green><EM>-- This is the Copyarg_Function for the internal low-level types</EM></FONT> 175 <FONT COLOR=green><EM>-- introduced by this binding.</EM></FONT> 176 177 <b>procedure</b> <FONT COLOR=red><A NAME="ref_172_14" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_119_14">Free_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_172_24" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_119_24">Usr</A></FONT> : System.Address); 178 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>); 179 <FONT COLOR=green><EM>-- This is the Freearg_Function for the internal low-level types</EM></FONT> 180 <FONT COLOR=green><EM>-- introduced by this binding.</EM></FONT> 181 182 <b>function</b> <FONT COLOR=red><A NAME="ref_177_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_179_13">Field_Check_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_177_33" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_179_33">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; 183 <FONT COLOR=red><A NAME="ref_178_33" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_180_33">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 184 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_177_13">Field_Check_Router</A>); 185 <FONT COLOR=green><EM>-- This is the Field_Check_Function for the internal low-level types</EM></FONT> 186 <FONT COLOR=green><EM>-- introduced to wrap the low-level types by a Field_Type derived</EM></FONT> 187 <FONT COLOR=green><EM>-- type. It routes the call to the corresponding low-level validation</EM></FONT> 188 <FONT COLOR=green><EM>-- function.</EM></FONT> 189 190 <b>function</b> <FONT COLOR=red><A NAME="ref_185_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_193_13">Char_Check_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_185_32" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_193_32">Ch</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 191 <FONT COLOR=red><A NAME="ref_186_32" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_194_32">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 192 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_185_13">Char_Check_Router</A>); 193 <FONT COLOR=green><EM>-- This is the Char_Check_Function for the internal low-level types</EM></FONT> 194 <FONT COLOR=green><EM>-- introduced to wrap the low-level types by a Field_Type derived</EM></FONT> 195 <FONT COLOR=green><EM>-- type. It routes the call to the corresponding low-level validation</EM></FONT> 196 <FONT COLOR=green><EM>-- function.</EM></FONT> 197 198 <b>function</b> <FONT COLOR=red><A NAME="ref_193_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_13">Next_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_193_26" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_207_26">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; 199 <FONT COLOR=red><A NAME="ref_194_26" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_208_26">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 200 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_193_13">Next_Router</A>); 201 <FONT COLOR=green><EM>-- This is the Choice_Function for the internal low-level types</EM></FONT> 202 <FONT COLOR=green><EM>-- introduced to wrap the low-level types by a Field_Type derived</EM></FONT> 203 <FONT COLOR=green><EM>-- type. It routes the call to the corresponding low-level next_choice</EM></FONT> 204 <FONT COLOR=green><EM>-- function.</EM></FONT> 205 206 <b>function</b> <FONT COLOR=red><A NAME="ref_201_13" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_221_13">Prev_Router</A></FONT> (<FONT COLOR=red><A NAME="ref_201_26" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_221_26">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>; 207 <FONT COLOR=red><A NAME="ref_202_26" HREF="terminal_interface-curses-forms-field_types__adb.htm#ref_222_26">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 208 <b>pragma</b> Convention (C, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_201_13">Prev_Router</A>); 209 <FONT COLOR=green><EM>-- This is the Choice_Function for the internal low-level types</EM></FONT> 210 <FONT COLOR=green><EM>-- introduced to wrap the low-level types by a Field_Type derived</EM></FONT> 211 <FONT COLOR=green><EM>-- type. It routes the call to the corresponding low-level prev_choice</EM></FONT> 212 <FONT COLOR=green><EM>-- function.</EM></FONT> 213 214 <FONT COLOR=green><EM>-- This is the Argument structure maintained by all low-level field types</EM></FONT> 215 <FONT COLOR=green><EM>-- introduced by this binding.</EM></FONT> 216 <b>type</b> <FONT COLOR=red><A NAME="ref_211_9">Argument</A></FONT> <b>is</b> <b>record</b> 217 <FONT COLOR=red><A NAME="ref_212_7">Typ</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_63_9">Field_Type_Access</A>; <FONT COLOR=green><EM>-- the Field_Type creating this record</EM></FONT> 218 <FONT COLOR=red><A NAME="ref_213_7">Usr</A></FONT> : System.Address; <FONT COLOR=green><EM>-- original arg for builtin low-level types</EM></FONT> 219 <FONT COLOR=red><A NAME="ref_214_7">Cft</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; <FONT COLOR=green><EM>-- the original low-level type</EM></FONT> 220 <b>end</b> <b>record</b>; 221 <b>type</b> <FONT COLOR=red><A NAME="ref_216_9">Argument_Access</A></FONT> <b>is</b> <b>access</b> <b>all</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_211_9">Argument</A>; 222 223 <FONT COLOR=green><EM>-- +----------------------------------------------------------------------</EM></FONT> 224 <FONT COLOR=green><EM>-- |</EM></FONT> 225 <FONT COLOR=green><EM>-- | Some Imports of libform routines to deal with low-level fieldtypes.</EM></FONT> 226 <FONT COLOR=green><EM>-- |</EM></FONT> 227 <b>function</b> <FONT COLOR=red><A NAME="ref_222_13">New_Fieldtype</A></FONT> (<FONT COLOR=red><A NAME="ref_222_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_222_13">Fcheck</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_104_9">Field_Check_Function</A>; 228 <FONT COLOR=red><A NAME="ref_223_28" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_222_13">Ccheck</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_108_9">Char_Check_Function</A>) 229 <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; 230 <b>pragma</b> Import (C, New_Fieldtype, "new_fieldtype"); 231 232 <b>function</b> <FONT COLOR=red><A NAME="ref_227_13">Set_Fieldtype_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_227_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_227_13">Cft</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; 233 <FONT COLOR=red><A NAME="ref_228_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_227_13">Mak</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_92_9">Makearg_Function</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>; 234 <FONT COLOR=red><A NAME="ref_229_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_227_13">Cop</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_96_9">Copyarg_Function</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>; 235 <FONT COLOR=red><A NAME="ref_230_32" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_227_13">Fre</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_100_9">Freearg_Function</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>) 236 <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 237 <b>pragma</b> Import (C, Set_Fieldtype_Arg, "set_fieldtype_arg"); 238 239 <b>function</b> <FONT COLOR=red><A NAME="ref_234_13">Set_Fieldtype_Choice</A></FONT> (<FONT COLOR=red><A NAME="ref_234_35" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_234_13">Cft</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>; 240 <FONT COLOR=red><A NAME="ref_235_35" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_234_13">Next</A></FONT>, <FONT COLOR=red><A NAME="ref_235_41" HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_234_13">Prev</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_112_9">Choice_Function</A>) 241 <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_46_12">C_Int</A>; 242 <b>pragma</b> Import (C, Set_Fieldtype_Choice, "set_fieldtype_choice"); 243 244<b>end</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-forms__ads.htm#ref_49_35">Forms</A>.<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_43_41">Field_Types</A>; 245</PRE></BODY></HTML> 246