package com.jebysun.test.globalhotkey;  import java.awt.Color; import java.awt.Cursor; import java.awt.Point; import java.awt.event.MouseEvent;  import javax.swing.JLabel; import javax.swing.JWindow; import javax.swing.event.MouseInputListener;  /** * 自定義程序窗口，鼠標(biāo)可拖拽移動(dòng)其位置。 * @author Jeby Sun * */ public class MyFrame extends JWindow {    private static final long serialVersionUID = 1L;      JLabel titleLbl;      public MyFrame() {     //設(shè)置背景顏色不能直接調(diào)用其setBackground方法，而要設(shè)置其ContentPane的背景顏色。     this.getContentPane().setBackground(new Color(0x99FF66));     this.setBounds(100,100,600,400);     this.setLayout(null);          titleLbl = new JLabel(" 自定義窗口標(biāo)題欄");     titleLbl.setOpaque(true);     titleLbl.setBackground(new Color(0x66CC00));     titleLbl.setBounds(0, 0, 600, 30);     this.add(titleLbl);     //鼠標(biāo)事件處理類     MouseEventListener mouseListener = new MouseEventListener(this);     titleLbl.addMouseListener(mouseListener);     titleLbl.addMouseMotionListener(mouseListener);          this.setVisible(true);   }    /**   * 鼠標(biāo)事件處理   * @author Jeby Sun   *   */   class MouseEventListener implements MouseInputListener {          Point origin;     //鼠標(biāo)拖拽想要移動(dòng)的目標(biāo)組件     MyFrame frame;          public MouseEventListener(MyFrame frame) {       this.frame = frame;       origin = new Point();     }          @Override     public void mouseClicked(MouseEvent e) {}      /**     * 記錄鼠標(biāo)按下時(shí)的點(diǎn)     */     @Override     public void mousePressed(MouseEvent e) {       origin.x = e.getX();        origin.y = e.getY();     }      @Override     public void mouseReleased(MouseEvent e) {}      /**     * 鼠標(biāo)移進(jìn)標(biāo)題欄時(shí)，設(shè)置鼠標(biāo)圖標(biāo)為移動(dòng)圖標(biāo)     */     @Override     public void mouseEntered(MouseEvent e) {       this.frame.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));     }          /**     * 鼠標(biāo)移出標(biāo)題欄時(shí)，設(shè)置鼠標(biāo)圖標(biāo)為默認(rèn)指針     */     @Override     public void mouseExited(MouseEvent e) {       this.frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));     }      /**     * 鼠標(biāo)在標(biāo)題欄拖拽時(shí)，設(shè)置窗口的坐標(biāo)位置     * 窗口新的坐標(biāo)位置 = 移動(dòng)前坐標(biāo)位置+（鼠標(biāo)指針當(dāng)前坐標(biāo)-鼠標(biāo)按下時(shí)指針的位置）     */     @Override     public void mouseDragged(MouseEvent e) {       Point p = this.frame.getLocation();       this.frame.setLocation(         p.x + (e.getX() - origin.x),          p.y + (e.getY() - origin.y));      }      @Override     public void mouseMoved(MouseEvent e) {}        }      public static void main(String[] args) {     new MyFrame();   }  }