1 |
/* |
2 |
* i-scream central monitoring system |
3 |
* http://www.i-scream.org.uk |
4 |
* Copyright (C) 2000-2002 i-scream |
5 |
* |
6 |
* This program is free software; you can redistribute it and/or |
7 |
* modify it under the terms of the GNU General Public License |
8 |
* as published by the Free Software Foundation; either version 2 |
9 |
* of the License, or (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
19 |
*/ |
20 |
|
21 |
// pjm2@ukc.ac.uk |
22 |
// class for laying out text in a terminal window. (in Java!) |
23 |
// After hours of fiddling, anything is possible... ;-) |
24 |
|
25 |
public class TerminalScreen { |
26 |
|
27 |
private static final String ESCAPE_SEQUENCE = "["; |
28 |
|
29 |
public static final int BOLD = 1; |
30 |
public static final int BLACK_BG = 7; |
31 |
public static final int BLUE = 34; |
32 |
public static final int PINK = 35; |
33 |
public static final int RED = 31; |
34 |
|
35 |
// No-args constructor. |
36 |
public TerminalScreen() { |
37 |
// reserved. |
38 |
} |
39 |
|
40 |
// Set the cursor position. |
41 |
public void gotoxy(int x, int y) { |
42 |
System.out.print(ESCAPE_SEQUENCE+y+";"+x+"H"); |
43 |
} |
44 |
|
45 |
// Print a string at the current position. |
46 |
public void print(String s) { |
47 |
System.out.print(s); |
48 |
} |
49 |
|
50 |
// Print a string at the current position with the |
51 |
// specified colour. |
52 |
public void print(String s, int colour) { |
53 |
System.out.print(ESCAPE_SEQUENCE+colour+"m"); |
54 |
System.out.print(s); |
55 |
System.out.print(ESCAPE_SEQUENCE+"0m"); |
56 |
} |
57 |
|
58 |
// Print a string at the current position with a specified |
59 |
// foreground and background colour. |
60 |
public void print(String s, int colour, int other) { |
61 |
System.out.print(ESCAPE_SEQUENCE+other+"m"); |
62 |
this.print(s, colour); |
63 |
} |
64 |
|
65 |
// Clears the terminal screen and then resets the cursor position. |
66 |
public void clear() { |
67 |
System.out.print(ESCAPE_SEQUENCE+"2J"); |
68 |
System.out.print(ESCAPE_SEQUENCE+"1;24r"); |
69 |
} |
70 |
|
71 |
// Main method for testing! |
72 |
public static void main(String[] args) throws InterruptedException { |
73 |
|
74 |
TerminalScreen screen = new TerminalScreen(); |
75 |
|
76 |
screen.clear(); |
77 |
|
78 |
screen.gotoxy(34, 10); |
79 |
screen.print(" i - s c r e a m ", TerminalScreen.BOLD, TerminalScreen.BLACK_BG); |
80 |
screen.gotoxy(27, 12); |
81 |
screen.print("Central Monitoring System Client", TerminalScreen.BLUE); |
82 |
screen.gotoxy(32,13); |
83 |
screen.print("Unix/Linux version 1.0"); |
84 |
|
85 |
|
86 |
screen.gotoxy(1,1); |
87 |
screen.print("Top left"); |
88 |
screen.gotoxy(79,24); |
89 |
screen.print("E"); |
90 |
|
91 |
screen.gotoxy(1,24); |
92 |
|
93 |
Thread.sleep(3000); |
94 |
|
95 |
screen.clear(); |
96 |
|
97 |
|
98 |
|
99 |
} |
100 |
|
101 |
} |