1 ------------------------------------------------------------------------------
3 -- GNAT ncurses Binding Samples --
9 ------------------------------------------------------------------------------
10 -- Copyright (c) 1998 Free Software Foundation, Inc. --
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: --
20 -- The above copyright notice and this permission notice shall be included --
21 -- in all copies or substantial portions of the Software. --
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. --
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 --
35 ------------------------------------------------------------------------------
36 -- Author: Laurent Pautet <pautet@gnat.com> 1997 (modified by J.Pfeifer)
39 -- Binding Version 00.93
40 ------------------------------------------------------------------------------
42 with Ada.Numerics.Float_Random; use Ada.Numerics.Float_Random;
43 with Status; use Status;
44 with Terminal_Interface.Curses; use Terminal_Interface.Curses;
48 Visibility : Cursor_Visibility;
50 subtype X_Position is Line_Position;
51 subtype Y_Position is Column_Position;
53 Xpos : array (1 .. 5) of X_Position;
54 Ypos : array (1 .. 5) of Y_Position;
60 Max_X, X : X_Position;
61 Max_Y, Y : Y_Position;
63 procedure Next (J : in out Integer);
64 procedure Cursor (X : X_Position; Y : Y_Position);
66 procedure Next (J : in out Integer) is
75 procedure Cursor (X : X_Position; Y : Y_Position) is
77 Move_Cursor (Line => X, Column => Y);
79 pragma Inline (Cursor);
85 Set_Echo_Mode (False);
87 Visibility := Invisible;
88 Set_Cursor_Visibility (Visibility);
93 for I in Xpos'Range loop
94 Xpos (I) := X_Position (Float (Max_X) * Random (G)) + 2;
95 Ypos (I) := Y_Position (Float (Max_Y) * Random (G)) + 2;
99 while Process.Continue loop
101 X := X_Position (Float (Max_X) * Random (G)) + 2;
102 Y := Y_Position (Float (Max_Y) * Random (G)) + 2;
107 Cursor (Xpos (N), Ypos (N));
112 Cursor (Xpos (N), Ypos (N));
117 Cursor (Xpos (N) - 1, Ypos (N));
119 Cursor (Xpos (N), Ypos (N) - 1);
121 Cursor (Xpos (N) + 1, Ypos (N));
126 Cursor (Xpos (N) - 2, Ypos (N));
128 Cursor (Xpos (N) - 1, Ypos (N) - 1);
130 Cursor (Xpos (N), Ypos (N) - 2);
131 Add (Str => "| O |");
132 Cursor (Xpos (N) + 1, Ypos (N) - 1);
134 Cursor (Xpos (N) + 2, Ypos (N));
139 Cursor (Xpos (N) - 2, Ypos (N));
141 Cursor (Xpos (N) - 1, Ypos (N) - 1);
143 Cursor (Xpos (N), Ypos (N) - 2);
145 Cursor (Xpos (N) + 1, Ypos (N) - 1);
147 Cursor (Xpos (N) + 2, Ypos (N));
154 Nap_Milli_Seconds (50);
157 Visibility := Normal;
158 Set_Cursor_Visibility (Visibility);