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  1. package Lec10;
  2.  
  3. import java.awt.*;
  4. import java.awt.event.*;
  5. import javax.swing.*;
  6.  
  7. class MyMouseSample02 extends JPanel {  //課題1で変更
  8.  
  9.     int xPanelSize;
  10.     int yPanelSize;
  11.     int x, y;
  12.     Dimension size;
  13.  
  14.     //コンストラクタ
  15.     MyMouseSample02(int xPanelSize, int yPanelSize) {  //課題1で変更
  16.         this.xPanelSize = xPanelSize;
  17.         this.yPanelSize = yPanelSize;
  18.  
  19.         addMouseMotionListener(new MyMouseMotionListener());
  20.         addMouseListener(new MyMouseActionListener());  //課題1で追加
  21.     }
  22.  
  23.     class MyMouseMotionListener extends MouseMotionAdapter {
  24.  
  25.         public void mouseMoved(MouseEvent evt) {
  26.             x = evt.getX();
  27.             y = evt.getY();
  28.             System.out.println("( " + x + " , " + y + " )");
  29.  
  30.             repaint();
  31.         }
  32.     }
  33.  
  34.     //課題1で追加
  35.     class MyMouseActionListener extends MouseAdapter {
  36.  
  37.         private int clickNumber = 0;
  38.  
  39.         public void mouseClicked(MouseEvent evt) {
  40.             clickNumber++;
  41.             System.out.println("( " + evt.getX() + " , " + evt.getY() + " ) " + clickNumber + "回目のクリック");
  42.         }
  43.     }
  44.  
  45.     protected void paintComponent(Graphics g) {
  46.         super.paintComponent(g);
  47.         size = getSize();
  48.  
  49.         g.setColor(Color.BLACK);
  50.         g.fillRect(0, 0, size.width, size.height);
  51.  
  52.         g.setColor(Color.GREEN);
  53.         g.drawLine(x, 0, x, size.height);
  54.         g.drawLine(0, y, size.width, y);
  55.     }
  56.  
  57.     public static void main(String[] args) {
  58.         MyMouseSample02 panel = new MyMouseSample02(500, 400);  //課題1で変更
  59.         panel.setPreferredSize(new Dimension(panel.xPanelSize, panel.yPanelSize));
  60.  
  61.         //JFrame fr = new JFrame();
  62.         //MyMenuFrame02 fr = new MyMenuFrame02("MyMouseSample01");
  63.         MyMenuFrame03 fr = new MyMenuFrame03("MyMouseSample02");    //課題1で変更
  64.  
  65.         fr.add(panel);
  66.         fr.pack();
  67.         fr.setVisible(true);
  68.     }
  69. }
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https://ideone.com/a1Rw4G
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

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