Java仿千千静听音乐播放器源代码 自己收集的。

} } } } popup.show(this, e.getX(), e.getY()); selectAll.setEnabled(true); if (this.getSelectedText() != null) delete.setEnabled(true); delete.setEnabled(false); else public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void mousePressed(MouseEvent e) { } public void mouseReleased(MouseEvent e) { }

LTextField.java

package eb.cstop.swing;

import javax.swing.JTextField;

import java.awt.event.FocusListener;

import java.awt.event.FocusEvent;

import java.awt.event.KeyListener;

import java.awt.event.KeyEvent;

import java.awt.Color;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseEvent;

import java.awt.Font;

public class LTextField extends JTextField implements MouseListener,

FocusListener, KeyListener, ActionListener { private JPopupMenu popup = new JPopupMenu(); private JMenuItem copy = new JMenuItem(" 复制 ");