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root/i-scream/projects/cms/source/client/javacli/TerminalScreen.java

Comparing projects/cms/source/client/javacli/TerminalScreen.java (file contents):
Revision 1.1 by pjm2, Wed Jan 10 18:42:20 2001 UTC vs.
Revision 1.2 by pjm2, Sun Jan 14 21:58:11 2001 UTC

#	Line 1 | Line 1
1	<	// pjm2@ukc.ac.uk
2	<	// Class for laying out text in a terminal screen in Java!
3	<	// After hours of fiddling, it is possible ;-)
4	<
5	<	public class TerminalScreen {
6	<
7	<	private static final String ESCAPE_SEQUENCE = "[";
8	<
9	<	private static final int BOLD = 1;
10	<	private static final int BLACK_BG = 7;
11	<	private static final int BLUE = 34;
12	<	private static final int PINK = 35;
13	<	private static final int RED = 31;
14	<
15	<	// No-args constructor.
16	<	public TerminalScreen() {
17	<	// reserved.
18	<	}
19	<
20	<	// Set the cursor position.
21	<	public void gotoxy(int x, int y) {
22	<	System.out.print(ESCAPE_SEQUENCE+y+";"+x+"H");
23	<	}
24	<
25	<	// Print a string at the current position.
26	<	public void print(String s) {
27	<	System.out.print(s);
28	<	}
29	<
30	<	// Print a string at the current position with the
31	<	// specified colour.
32	<	public void print(String s, int colour) {
33	<	System.out.print(ESCAPE_SEQUENCE+colour+"m");
34	<	System.out.print(s);
35	<	System.out.print(ESCAPE_SEQUENCE+"0m");
36	<	}
37	<
38	<	// Print a string at the current position with a specified
39	<	// foreground and background colour.
40	<	public void print(String s, int colour, int other) {
41	<	System.out.print(ESCAPE_SEQUENCE+other+"m");
42	<	this.print(s, colour);
43	<	}
44	<
45	<	// Clears the terminal screen and then resets the cursor position.
46	<	public void clear() {
47	<	System.out.print(ESCAPE_SEQUENCE+"2J");
48	<	System.out.print(ESCAPE_SEQUENCE+"1;24r");
49	<	}
50	<
51	<	// Main method for testing!
52	<	public static void main(String[] args) throws InterruptedException {
53	<
54	<	TerminalScreen screen = new TerminalScreen();
55	<
56	<	screen.clear();
57	<
58	<	screen.gotoxy(34, 10);
59	<	screen.print(" i - s c r e a m ", TerminalScreen.BOLD, TerminalScreen.BLACK_BG);
60	<	screen.gotoxy(27, 12);
61	<	screen.print("Central Monitoring System Client", TerminalScreen.BLUE);
62	<	screen.gotoxy(32,13);
63	<	screen.print("Unix/Linux version 1.0");
64	<
65	<
66	<	screen.gotoxy(1,1);
67	<	screen.print("Top left");
68	<	screen.gotoxy(79,24);
69	<	screen.print("E");
70	<
71	<	screen.gotoxy(1,24);
72	<
73	<	Thread.sleep(3000);
74	<
75	<	screen.clear();
76	<
77	<
78	<
79	<	}
80	<
81	<	}
1	>	// pjm2@ukc.ac.uk
2	>	// class for laying out text in a terminal window. (in Java!)
3	>	// After hours of fiddling, anything is possible... ;-)
4	>
5	>	public class TerminalScreen {
6	>
7	>	private static final String ESCAPE_SEQUENCE = "[";
8	>
9	>	public static final int BOLD = 1;
10	>	public static final int BLACK_BG = 7;
11	>	public static final int BLUE = 34;
12	>	public static final int PINK = 35;
13	>	public static final int RED = 31;
14	>
15	>	// No-args constructor.
16	>	public TerminalScreen() {
17	>	// reserved.
18	>	}
19	>
20	>	// Set the cursor position.
21	>	public void gotoxy(int x, int y) {
22	>	System.out.print(ESCAPE_SEQUENCE+y+";"+x+"H");
23	>	}
24	>
25	>	// Print a string at the current position.
26	>	public void print(String s) {
27	>	System.out.print(s);
28	>	}
29	>
30	>	// Print a string at the current position with the
31	>	// specified colour.
32	>	public void print(String s, int colour) {
33	>	System.out.print(ESCAPE_SEQUENCE+colour+"m");
34	>	System.out.print(s);
35	>	System.out.print(ESCAPE_SEQUENCE+"0m");
36	>	}
37	>
38	>	// Print a string at the current position with a specified
39	>	// foreground and background colour.
40	>	public void print(String s, int colour, int other) {
41	>	System.out.print(ESCAPE_SEQUENCE+other+"m");
42	>	this.print(s, colour);
43	>	}
44	>
45	>	// Clears the terminal screen and then resets the cursor position.
46	>	public void clear() {
47	>	System.out.print(ESCAPE_SEQUENCE+"2J");
48	>	System.out.print(ESCAPE_SEQUENCE+"1;24r");
49	>	}
50	>
51	>	// Main method for testing!
52	>	public static void main(String[] args) throws InterruptedException {
53	>
54	>	TerminalScreen screen = new TerminalScreen();
55	>
56	>	screen.clear();
57	>
58	>	screen.gotoxy(34, 10);
59	>	screen.print(" i - s c r e a m ", TerminalScreen.BOLD, TerminalScreen.BLACK_BG);
60	>	screen.gotoxy(27, 12);
61	>	screen.print("Central Monitoring System Client", TerminalScreen.BLUE);
62	>	screen.gotoxy(32,13);
63	>	screen.print("Unix/Linux version 1.0");
64	>
65	>
66	>	screen.gotoxy(1,1);
67	>	screen.print("Top left");
68	>	screen.gotoxy(79,24);
69	>	screen.print("E");
70	>
71	>	screen.gotoxy(1,24);
72	>
73	>	Thread.sleep(3000);
74	>
75	>	screen.clear();
76	>
77	>
78	>
79	>	}
80	>
81	>	}

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