画面右下をクリックするとウィンドウを表示する | Codetter（こーどったー）

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
package com.tatesuke.javalab;
import java.awt.Dimension;
import java.awt.MouseInfo;
import java.awt.PointerInfo;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JDialog;
import javax.swing.JFrame;
public class Launcher {
    public static void main(String args[]) throws InterruptedException {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Rectangle rect = new Rectangle(screenSize.width - 3, screenSize.height - 3, 3, 3);
        final JFrame frame = new JFrame("テスト");
        frame.setBounds(10, 10, 100, 100);
        frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
        final JDialog dialog = new JDialog();
        dialog.setBounds(rect);
        dialog.setUndecorated(true);
        dialog.setAlwaysOnTop(true);
        dialog.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                switch (e.getButton()) {
                case MouseEvent.BUTTON1:
                    frame.setVisible(true);
                    break;
                default:
                    System.exit(0);
                    break;
                }
            }
        });
        PointerInfo pointerInfo;
        while (true) {
            pointerInfo = MouseInfo.getPointerInfo();
            if (rect.contains(pointerInfo.getLocation())) {
                dialog.setVisible(true);
            } else {
                dialog.setVisible(false);
            }
            Thread.sleep(100);
        }
    }
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX