Repository navigation
Expand file tree
/
Copy pathPrintMouse.java
More file actions
executable file
·92 lines (81 loc) · 4.12 KB
/
Copy pathPrintMouse.java
File metadata and controls
executable file
·92 lines (81 loc) · 4.12 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
///usr/bin/env jbang "$0" "$@" ; exit $?
//DEPS org.codejive.miniterm:miniterm${miniterm.ffm:}:${miniterm.version:0.2.0}
//DEPS org.codejive.miniterm:ansiparser:${miniterm.version:0.2.0}
//DEPS org.codejive.miniterm:mousetrack:${miniterm.version:0.2.0}
package examples;
import java.io.IOException;
import org.codejive.miniterm.Terminal;
import org.codejive.miniterm.ansiparser.AnsiReader;
import org.codejive.miniterm.mousetrack.MouseEvent;
import org.codejive.miniterm.mousetrack.MouseTracking;
public class PrintMouse {
// ANSI helpers
private static final String CSI = "\033[";
private static final String CURSOR_UP = CSI + "A";
private static final String ERASE_EOL = CSI + "K";
private static final int VIEW_LINES = 6;
public static void main(String[] args) {
try (Terminal terminal = Terminal.create()) {
terminal.enableRawMode();
MouseTracking.enable(terminal, MouseTracking.Protocol.ANY_MOTION);
MouseTracking.enableEncoding(terminal, MouseTracking.Encoding.SGR);
boolean pixelMode = false;
MouseEvent lastEv = null;
try {
// Reserve the view lines and print the initial (empty) view
printView(terminal, null, pixelMode);
AnsiReader reader = new AnsiReader(() -> terminal.read(-1));
String token;
while ((token = reader.read()) != null) {
if (token.isEmpty()) continue;
if (!token.startsWith("\033") && token.charAt(0) == 3) break; // Ctrl+C
if (MouseTracking.isMouseEvent(token)) {
lastEv = MouseTracking.parse(token);
} else if (!token.startsWith("\033") && (token.equals("t") || token.equals("T"))) {
pixelMode = !pixelMode;
if (pixelMode) {
MouseTracking.enableEncoding(terminal, MouseTracking.Encoding.SGR_PIXELS);
} else {
MouseTracking.disableEncoding(terminal, MouseTracking.Encoding.SGR_PIXELS);
MouseTracking.enableEncoding(terminal, MouseTracking.Encoding.SGR);
}
} else {
continue;
}
// Move cursor back up to overwrite the previous view
terminal.write(CURSOR_UP.repeat(VIEW_LINES));
printView(terminal, lastEv, pixelMode);
}
} finally {
MouseTracking.disableEncoding(terminal, MouseTracking.Encoding.SGR_PIXELS);
MouseTracking.disableEncoding(terminal, MouseTracking.Encoding.SGR);
MouseTracking.disable(terminal, MouseTracking.Protocol.ANY_MOTION);
}
} catch (IOException e) {
e.printStackTrace();
}
}
private static void printView(Terminal terminal, MouseEvent ev, boolean pixelMode) throws IOException {
String type = ev == null ? "-" : ev.type().name();
String button = ev == null ? "-" : ev.button().name();
String position = ev == null ? "-" : ev.x() + ", " + ev.y();
String mods = ev == null ? "-" : modifiers(ev);
String unit = pixelMode ? "PIXEL" : "CELL";
writeLine(terminal, "Type: " + type);
writeLine(terminal, "Button: " + button);
writeLine(terminal, "Position: " + position);
writeLine(terminal, "Modifiers: " + mods);
writeLine(terminal, "Coordinates: " + unit + " (press T to toggle cell/pixel coordinates)");
writeLine(terminal, "(move the mouse, click or scroll — Ctrl+C to exit)");
}
private static void writeLine(Terminal terminal, String text) throws IOException {
terminal.write(text + ERASE_EOL + "\n");
}
private static String modifiers(MouseEvent ev) {
StringBuilder sb = new StringBuilder();
if (ev.shift()) sb.append("SHIFT ");
if (ev.alt()) sb.append("ALT ");
if (ev.ctrl()) sb.append("CTRL ");
return sb.length() == 0 ? "-" : sb.toString().trim();
}
}