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1------------------------------------------------------------------------------
2--                                                                          --
3--                       GNAT ncurses Binding Samples                       --
4--                                                                          --
5--                            Sample.Text_IO_Demo                           --
6--                                                                          --
7--                                 B O D Y                                  --
8--                                                                          --
9------------------------------------------------------------------------------
10-- Copyright 2018,2020 Thomas E. Dickey                                     --
11-- Copyright 1998-2006,2011 Free Software Foundation, Inc.                  --
12--                                                                          --
13-- Permission is hereby granted, free of charge, to any person obtaining a  --
14-- copy of this software and associated documentation files (the            --
15-- "Software"), to deal in the Software without restriction, including      --
16-- without limitation the rights to use, copy, modify, merge, publish,      --
17-- distribute, distribute with modifications, sublicense, and/or sell       --
18-- copies of the Software, and to permit persons to whom the Software is    --
19-- furnished to do so, subject to the following conditions:                 --
20--                                                                          --
21-- The above copyright notice and this permission notice shall be included  --
22-- in all copies or substantial portions of the Software.                   --
23--                                                                          --
24-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --
25-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --
26-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --
27-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --
28-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --
29-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --
30-- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --
31--                                                                          --
32-- Except as contained in this notice, the name(s) of the above copyright   --
33-- holders shall not be used in advertising or otherwise to promote the     --
34-- sale, use or other dealings in this Software without prior written       --
35-- authorization.                                                           --
36------------------------------------------------------------------------------
37--  Author:  Juergen Pfeifer, 1996
38--  Version Control
39--  $Revision: 1.19 $
40--  $Date: 2020/02/02 23:34:34 $
41--  Binding Version 01.00
42------------------------------------------------------------------------------
43with Ada.Numerics.Generic_Elementary_Functions;
44
45with Ada.Numerics.Complex_Types;
46use  Ada.Numerics.Complex_Types;
47
48with Terminal_Interface.Curses;
49use  Terminal_Interface.Curses;
50
51with Terminal_Interface.Curses.Panels;
52use  Terminal_Interface.Curses.Panels;
53
54with Terminal_Interface.Curses.Text_IO;
55use  Terminal_Interface.Curses.Text_IO;
56
57with Terminal_Interface.Curses.Text_IO.Integer_IO;
58with Terminal_Interface.Curses.Text_IO.Float_IO;
59with Terminal_Interface.Curses.Text_IO.Enumeration_IO;
60with Terminal_Interface.Curses.Text_IO.Complex_IO;
61with Terminal_Interface.Curses.Text_IO.Decimal_IO;
62with Terminal_Interface.Curses.Text_IO.Modular_IO;
63
64with Sample.Manifest; use Sample.Manifest;
65with Sample.Function_Key_Setting; use Sample.Function_Key_Setting;
66with Sample.Keyboard_Handler; use Sample.Keyboard_Handler;
67with Sample.Explanation; use Sample.Explanation;
68
69pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Complex_IO);
70pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Decimal_IO);
71pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Enumeration_IO);
72pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Float_IO);
73pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Integer_IO);
74pragma Elaborate_All (Terminal_Interface.Curses.Text_Io.Modular_IO);
75
76package body Sample.Text_IO_Demo is
77
78   type Weekday is (Sunday,
79                    Monday,
80                    Tuesday,
81                    Wednesday,
82                    Thursday,
83                    Friday,
84                    Saturday);
85
86   type Dec is delta 0.01 digits 5 range 0.0 .. 4.0;
87   type Md is mod 5;
88
89   package Math is new
90     Ada.Numerics.Generic_Elementary_Functions (Float);
91
92   package Int_IO is new
93     Terminal_Interface.Curses.Text_IO.Integer_IO (Integer);
94   use Int_IO;
95
96   package Real_IO is new
97     Terminal_Interface.Curses.Text_IO.Float_IO (Float);
98   use Real_IO;
99
100   package Enum_IO is new
101     Terminal_Interface.Curses.Text_IO.Enumeration_IO (Weekday);
102   use Enum_IO;
103
104   package C_IO is new
105     Terminal_Interface.Curses.Text_IO.Complex_IO (Ada.Numerics.Complex_Types);
106   use C_IO;
107
108   package D_IO is new
109     Terminal_Interface.Curses.Text_IO.Decimal_IO (Dec);
110   use D_IO;
111
112   package M_IO is new
113     Terminal_Interface.Curses.Text_IO.Modular_IO (Md);
114   use M_IO;
115
116   procedure Demo
117   is
118      W : Window;
119      P : Panel := Create (Standard_Window);
120      K : Real_Key_Code;
121      Im : constant Complex := (0.0, 1.0);
122      Fx : constant Dec := 3.14;
123      Dc : constant Dec := 2.72;
124      L : Md;
125
126   begin
127      Push_Environment ("TEXTIO");
128      Default_Labels;
129      Notepad ("TEXTIO-PAD00");
130
131      Set_Echo_Mode (False);
132      Set_Meta_Mode;
133      Set_KeyPad_Mode;
134      W := Sub_Window (Standard_Window, Lines - 2, Columns - 2, 1, 1);
135      Box;
136      Refresh_Without_Update;
137      Set_Meta_Mode (W);
138      Set_KeyPad_Mode (W);
139      Immediate_Update_Mode (W, True);
140
141      Set_Window (W);
142
143      for I in 1 .. 10 loop
144         Put ("Square root of ");
145         Put (Item => I, Width => 5);
146         Put (" is ");
147         Put (Item => Math.Sqrt (Float (I)), Exp => 0, Aft => 7);
148         New_Line;
149      end loop;
150
151      for W in Weekday loop
152         Put (Item => W); Put (' ');
153      end loop;
154      New_Line;
155
156      L := Md'First;
157      for I in 1 .. 2 loop
158         for J in Md'Range loop
159            Put (L); Put (' ');
160            L := L + 1;
161         end loop;
162      end loop;
163      New_Line;
164
165      Put (Im); New_Line;
166      Put (Fx); New_Line;
167      Put (Dc); New_Line;
168
169      loop
170         K := Get_Key;
171         if K in Special_Key_Code'Range then
172            case K is
173               when QUIT_CODE     => exit;
174               when HELP_CODE     => Explain_Context;
175               when EXPLAIN_CODE  => Explain ("TEXTIOKEYS");
176               when others        => null;
177            end case;
178         end if;
179      end loop;
180
181      Set_Window (Null_Window);
182      Erase; Refresh_Without_Update;
183      Delete (P);
184      Delete (W);
185
186      Pop_Environment;
187   end Demo;
188
189end Sample.Text_IO_Demo;
190