1
我想讓一個特定的文本字符串跟在JPanel內部的光標處。我創建了一個擴展JPanel並實現MouseMotionListener的類。代碼似乎不起作用。文本顯示,但不跟隨光標。讓文本在JPanel內跟着你的光標
package followthemouse;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JPanel;
public class TheJPanel extends JPanel implements MouseMotionListener {
private int x = 20;
private int y = 20;
@Override
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.drawString("I love your cursor!", x, y);
}
@Override
public void mouseMoved (MouseEvent me)
{
x = me.getX();
y = me.getY();
repaint();
}
@Override
public void mouseDragged (MouseEvent me)
{
}
}
這裏是什麼在主要功能:
package followthemouse;
import javax.swing.JFrame;
/**
*
* @author Vikram
*/
public class FollowTheMouse extends JFrame{
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
TheJPanel y = new TheJPanel();
JFrame x = new JFrame("The TITLE");
x.add(y);
x.setSize(400, 400);
x.setVisible(true);
}
}
我在做什麼錯?
+1。我正在學習基礎知識,並且在一個單獨的內部類中編碼肯定會更有效率。 – Vikram