doc/html/ada/terminal_interface-curses-forms-field_types-user__adb.htm

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   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.User            --</EM></FONT>
  11 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  12 <FONT COLOR=green><EM>--                                 B O D Y                                  --</EM></FONT>
  13 <FONT COLOR=green><EM>--                                                                          --</EM></FONT>
  14 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
  15 <FONT COLOR=green><EM>-- Copyright (c) 1998-2004,2006 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>--  @Date: 2006/06/25 14:24:40 @</EM></FONT>
  45 <FONT COLOR=green><EM>--  Binding Version 01.00</EM></FONT>
  46 <FONT COLOR=green><EM>------------------------------------------------------------------------------</EM></FONT>
  47 <b>with</b> Ada.Unchecked_Conversion;
  48 <b>with</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C;
  49 <b>with</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-aux__ads.htm#ref_50_35">Aux</A>; <b>use</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_49_28">Curses</A>.<A HREF="terminal_interface-curses-aux__ads.htm#ref_50_35">Aux</A>;
  50
  51 <b>package</b> <b>body</b> <A HREF="terminal_interface__ads.htm#ref_42_9">Terminal_Interface</A>.<A HREF="terminal_interface-curses__ads.htm#ref_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>.<FONT COLOR=red><A NAME="ref_46_58" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_43_53">User</A></FONT> <b>is</b>
  52
  53    <b>use</b> <b>type</b> <A HREF="interfac__ads.htm#ref_38_9">Interfaces</A>.C.int;
  54
  55    <b>procedure</b> <FONT COLOR=red><A NAME="ref_50_14" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_70_14">Set_Field_Type</A></FONT> (<FONT COLOR=red><A NAME="ref_50_30" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_70_30">Fld</A></FONT> : <b>in</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>;
  56                              <FONT COLOR=red><A NAME="ref_51_30" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_71_30">Typ</A></FONT> : <b>in</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_48_9">User_Defined_Field_Type</A>)
  57    <b>is</b>
  58       <b>function</b> <FONT COLOR=red><A NAME="ref_53_16" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_64_16">Allocate_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_53_30" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_64_30">T</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_48_9">User_Defined_Field_Type</A>'Class)
  59                              <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>;
  60
  61       <b>function</b> <FONT COLOR=red><A NAME="ref_56_16">Set_Fld_Type</A></FONT> (<FONT COLOR=red><A NAME="ref_56_30" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_56_16">F</A></FONT>    : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A> := <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_70_30">Fld</A>;
  62                              <FONT COLOR=red><A NAME="ref_57_30" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_56_16">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-user__ads.htm#ref_81_13">C_Generic_Type</A>;
  63                              <FONT COLOR=red><A NAME="ref_58_30" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_56_16">Arg1</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>)
  64                              <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_46_12">C_Int</A>;
  65       <b>pragma</b> Import (C, Set_Fld_Type, "set_field_type");
  66
  67       <FONT COLOR=red><A NAME="ref_62_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#ref_78_12">Eti_Error</A>;
  68
  69       <b>function</b> <FONT COLOR=red><A NAME="ref_64_16" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_53_16">Allocate_Arg</A></FONT> (<FONT COLOR=red><A NAME="ref_64_30" HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_53_30">T</A></FONT> : <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_48_9">User_Defined_Field_Type</A>'Class)
  70                              <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>
  71       <b>is</b>
  72          <FONT COLOR=red><A NAME="ref_67_10">Ptr</A></FONT> : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_63_9">Field_Type_Access</A>
  73              := <b>new</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_48_9">User_Defined_Field_Type</A>'Class'(<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_53_30">T</A>);
  74       <b>begin</b>
  75          <b>return</b> <b>new</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_211_9">Argument</A>'(<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_213_7">Usr</A> =&gt; System.Null_Address,
  76                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A> =&gt; <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_67_10">Ptr</A>,
  77                               <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_214_7">Cft</A> =&gt; <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>);
  78       <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_53_16">Allocate_Arg</A>;
  79
  80    <b>begin</b>
  81       <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_62_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_56_16">Set_Fld_Type</A> (<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_58_30">Arg1</A> =&gt; <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_53_16">Allocate_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_71_30">Typ</A>));
  82       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_62_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b>
  83          <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_62_7">Res</A>);
  84       <b>end</b> <b>if</b>;
  85    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_70_14">Set_Field_Type</A>;
  86
  87    <b>pragma</b> Warnings (Off);
  88    <b>function</b> To_Argument_Access <b>is</b> <b>new</b> Ada.Unchecked_Conversion
  89      (System.Address, <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_216_9">Argument_Access</A>);
  90    <b>pragma</b> Warnings (On);
  91
  92    <b>function</b> <FONT COLOR=red><A NAME="ref_87_13" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_83_13">Generic_Field_Check</A></FONT> (<FONT COLOR=red><A NAME="ref_87_34" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_83_34">Fld</A></FONT> : <A HREF="terminal_interface-curses-forms__ads.htm#ref_56_9">Field</A>;
  93                                  <FONT COLOR=red><A NAME="ref_88_34" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_84_34">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_46_12">C_Int</A>
  94    <b>is</b>
  95       <FONT COLOR=red><A NAME="ref_90_7">Result</A></FONT> : Boolean;
  96       <FONT COLOR=red><A NAME="ref_91_7">Udf</A></FONT>    : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_53_9">User_Defined_Field_Type_Access</A> :=
  97         <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_53_9">User_Defined_Field_Type_Access</A> (To_Argument_Access (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_84_34">Usr</A>).<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>);
  98    <b>begin</b>
  99       <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_90_7">Result</A> := <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_56_13">Field_Check</A> (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_83_34">Fld</A>, <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_91_7">Udf</A>.<b>all</b>);
 100       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_46_12">C_Int</A> (Boolean'Pos (<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_90_7">Result</A>));
 101    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_83_13">Generic_Field_Check</A>;
 102
 103    <b>function</b> <FONT COLOR=red><A NAME="ref_98_13" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_90_13">Generic_Char_Check</A></FONT> (<FONT COLOR=red><A NAME="ref_98_33" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_90_33">Ch</A></FONT>  : <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_46_12">C_Int</A>;
 104                                 <FONT COLOR=red><A NAME="ref_99_33" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_91_33">Usr</A></FONT> : System.Address) <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_46_12">C_Int</A>
 105    <b>is</b>
 106       <FONT COLOR=red><A NAME="ref_101_7">Result</A></FONT> : Boolean;
 107       <FONT COLOR=red><A NAME="ref_102_7">Udf</A></FONT>    : <b>constant</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_53_9">User_Defined_Field_Type_Access</A> :=
 108         <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_53_9">User_Defined_Field_Type_Access</A> (To_Argument_Access (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_91_33">Usr</A>).<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_212_7">Typ</A>);
 109    <b>begin</b>
 110       <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_101_7">Result</A> := <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_63_13">Character_Check</A> (Character'Val (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_90_33">Ch</A>), <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_102_7">Udf</A>.<b>all</b>);
 111       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_46_12">C_Int</A> (Boolean'Pos (<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_101_7">Result</A>));
 112    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_90_13">Generic_Char_Check</A>;
 113
 114    <FONT COLOR=green><EM>--  -----------------------------------------------------------------------</EM></FONT>
 115    <FONT COLOR=green><EM>--</EM></FONT>
 116    <b>function</b> <FONT COLOR=red><A NAME="ref_111_13" HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_81_13">C_Generic_Type</A></FONT> <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>
 117    <b>is</b>
 118       <FONT COLOR=red><A NAME="ref_113_7">Res</A></FONT> : <A HREF="terminal_interface-curses-aux__ads.htm#ref_78_12">Eti_Error</A>;
 119       <FONT COLOR=red><A NAME="ref_114_7">T</A></FONT>   : <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_132_9">C_Field_Type</A>;
 120    <b>begin</b>
 121       <b>if</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_141_4">M_Generic_Type</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
 122          <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_114_7">T</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_222_13">New_Fieldtype</A> (<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_83_13">Generic_Field_Check</A>'<b>Access</b>,
 123                              <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_90_13">Generic_Char_Check</A>'<b>Access</b>);
 124          <b>if</b> <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_114_7">T</A> = <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A> <b>then</b>
 125             <b>raise</b> <A HREF="terminal_interface-curses-forms__ads.htm#ref_286_4">Form_Exception</A>;
 126          <b>else</b>
 127             <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_113_7">Res</A> := <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_227_13">Set_Fieldtype_Arg</A> (<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_114_7">T</A>,
 128                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_162_13">Make_Arg</A>'<b>Access</b>,
 129                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_167_13">Copy_Arg</A>'<b>Access</b>,
 130                                       <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_172_14">Free_Arg</A>'<b>Access</b>);
 131             <b>if</b> <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_113_7">Res</A> /= <A HREF="terminal_interface-curses-aux__ads.htm#ref_80_4">E_Ok</A> <b>then</b>
 132                <A HREF="terminal_interface-curses-aux__ads.htm#ref_96_14">Eti_Exception</A> (<A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_113_7">Res</A>);
 133             <b>end</b> <b>if</b>;
 134          <b>end</b> <b>if</b>;
 135          <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_141_4">M_Generic_Type</A> := <A HREF="terminal_interface-curses-forms-field_types-user__adb.htm#ref_114_7">T</A>;
 136       <b>end</b> <b>if</b>;
 137       <b>pragma</b> Assert (<A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_141_4">M_Generic_Type</A> /= <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_134_4">Null_Field_Type</A>);
 138       <b>return</b> <A HREF="terminal_interface-curses-forms-field_types__ads.htm#ref_141_4">M_Generic_Type</A>;
 139    <b>end</b> <A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_81_13">C_Generic_Type</A>;
 140
 141 <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>.<A HREF="terminal_interface-curses-forms-field_types-user__ads.htm#ref_43_53">User</A>;
 142 </PRE></BODY></HTML>