release/src/router/libncurses/Ada95/samples/sample-form_demo.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                       GNAT ncurses Binding Samples                       --
   4 --                                                                          --
   5 --                             Sample.Form_Demo                             --
   6 --                                                                          --
   7 --                                 B O D Y                                  --
   8 --                                                                          --
   9 ------------------------------------------------------------------------------
  10 -- Copyright (c) 1998-2006,2011 Free Software Foundation, Inc.              --
  11 --                                                                          --
  12 -- Permission is hereby granted, free of charge, to any person obtaining a  --
  13 -- copy of this software and associated documentation files (the            --
  14 -- "Software"), to deal in the Software without restriction, including      --
  15 -- without limitation the rights to use, copy, modify, merge, publish,      --
  16 -- distribute, distribute with modifications, sublicense, and/or sell       --
  17 -- copies of the Software, and to permit persons to whom the Software is    --
  18 -- furnished to do so, subject to the following conditions:                 --
  19 --                                                                          --
  20 -- The above copyright notice and this permission notice shall be included  --
  21 -- in all copies or substantial portions of the Software.                   --
  22 --                                                                          --
  23 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --
  24 -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --
  25 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --
  26 -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --
  27 -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --
  28 -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --
  29 -- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --
  30 --                                                                          --
  31 -- Except as contained in this notice, the name(s) of the above copyright   --
  32 -- holders shall not be used in advertising or otherwise to promote the     --
  33 -- sale, use or other dealings in this Software without prior written       --
  34 -- authorization.                                                           --
  35 ------------------------------------------------------------------------------
  36 --  Author:  Juergen Pfeifer, 1996
  37 --  Version Control
  38 --  $Revision: 1.16 $
  39 --  $Date: 2011/03/23 00:44:12 $
  40 --  Binding Version 01.00
  41 ------------------------------------------------------------------------------
  42 with Terminal_Interface.Curses; use Terminal_Interface.Curses;
  43 with Terminal_Interface.Curses.Forms; use Terminal_Interface.Curses.Forms;
  44 with Terminal_Interface.Curses.Forms.Field_User_Data;
  45 with Sample.My_Field_Type; use Sample.My_Field_Type;
  46 with Sample.Explanation; use Sample.Explanation;
  47 with Sample.Form_Demo.Aux; use Sample.Form_Demo.Aux;
  48 with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
  49 with Sample.Form_Demo.Handler;
  50
  51 with Terminal_Interface.Curses.Forms.Field_Types.Enumeration.Ada;
  52 with Terminal_Interface.Curses.Forms.Field_Types.Enumeration;
  53 use  Terminal_Interface.Curses.Forms.Field_Types.Enumeration;
  54 with Terminal_Interface.Curses.Forms.Field_Types.IntField;
  55 use  Terminal_Interface.Curses.Forms.Field_Types.IntField;
  56
  57 package body Sample.Form_Demo is
  58
  59    type User_Data is
  60       record
  61          Data : Integer;
  62       end record;
  63    type User_Access is access User_Data;
  64
  65    package Fld_U is new
  66      Terminal_Interface.Curses.Forms.Field_User_Data (User_Data,
  67                                                       User_Access);
  68
  69    type Weekday is (Sunday, Monday, Tuesday, Wednesday, Thursday,
  70                     Friday, Saturday);
  71
  72    package Weekday_Enum is new
  73      Terminal_Interface.Curses.Forms.Field_Types.Enumeration.Ada (Weekday);
  74
  75    Enum_Field : constant Enumeration_Field :=
  76      Weekday_Enum.Create;
  77
  78    procedure Demo
  79    is
  80
  81       Mft : constant My_Data := (Ch => 'X');
  82
  83       FA : Field_Array_Access := new Field_Array'
  84         (Make (0, 14, "Sample Entry Form"),
  85          Make (2, 0,  "WeekdayEnumeration"),
  86          Make (2, 20, "Numeric 1-10"),
  87          Make (2, 34, "Only 'X'"),
  88          Make (5, 0, "Multiple Lines offscreen(Scroll)"),
  89          Make (Width => 18, Top => 3, Left =>  0),
  90          Make (Width => 12, Top => 3, Left => 20),
  91          Make (Width => 12, Top => 3, Left => 34),
  92          Make (Width => 46, Top => 6, Left => 0, Height => 4, Off_Screen => 2),
  93          Null_Field
  94          );
  95
  96       Frm : Terminal_Interface.Curses.Forms.Form := Create (FA);
  97
  98       I_F : constant Integer_Field := (Precision   => 0,
  99                                        Lower_Limit => 1,
 100                                        Upper_Limit => 10);
 101
 102       F1, F2 : User_Access;
 103
 104       package Fh is new Sample.Form_Demo.Handler (Default_Driver);
 105
 106    begin
 107       Push_Environment ("FORM00");
 108       Notepad ("FORM-PAD00");
 109       Default_Labels;
 110
 111       Set_Field_Type (FA.all (6), Enum_Field);
 112       Set_Field_Type (FA.all (7), I_F);
 113       Set_Field_Type (FA.all (8), Mft);
 114
 115       F1 := new User_Data'(Data => 4711);
 116       Fld_U.Set_User_Data (FA.all (1), F1);
 117
 118       Fh.Drive_Me (Frm);
 119
 120       Fld_U.Get_User_Data (FA.all (1), F2);
 121       pragma Assert (F1 = F2);
 122       pragma Assert (F1.Data = F2.Data);
 123
 124       Pop_Environment;
 125       Delete (Frm);
 126
 127       Free (FA, True);
 128    end Demo;
 129
 130 end Sample.Form_Demo;