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root/i-scream/projects/cms/source/client/javacli/TerminalScreen.java
Revision: 1.4
Committed: Tue May 21 16:47:11 2002 UTC (22 years, 6 months ago) by tdb
Branch: MAIN
Changes since 1.3: +2 -1 lines
Log Message:
Added URL to GPL headers.

File Contents

# Content
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 }