Java Swing实现类似QQ的停靠在桌面边缘时自动隐藏，javaswing,JavaSwing实现类

Java Swing实现类似QQ的停靠在桌面边缘时自动隐藏，javaswing,JavaSwing实现类

JavaSwing实现类似QQ的停靠在桌面边缘时自动隐藏```javaimport java.awt.Point;import java.awt.Rectangle;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.MouseMotionAdapter;

import javax.swing.JFrame;import javax.swing.Timer;

public class HideFrame extends JFrame implements ActionListener{ private Rectangle rect; private int frameLeft;// 窗体离屏幕左边的距离 private int frameRight;// 窗体离屏幕右边的距离； private int frameTop;// 窗体离屏幕顶部的距离 private int frameWidth; // 窗体的宽 private int frameHeight; // 窗体的高

private int screenXX;// 屏幕的宽度；private Point point;    // 鼠标在窗体的位置private Timer timer = new Timer(10, this);private int xx, yy;private boolean isDraging = false;public HideFrame(){    timer.start();    setTitle("窗体在屏幕边缘隐藏演示");    setSize(400, 300);    setUndecorated(true);    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    setAlwaysOnTop(true);    addMouseListener(new MouseAdapter() {        public void mousePressed(MouseEvent e) {            isDraging = true;            xx = e.getX();            yy = e.getY();        }        public void mouseReleased(MouseEvent e) {            isDraging = false;        }    });    addMouseMotionListener(new MouseMotionAdapter() {        public void mouseDragged(MouseEvent e) {            if (isDraging) {                int left = getLocation().x;                int top = getLocation().y;                setLocation(left + e.getX() - xx, top + e.getY() - yy);                repaint();            }        }    });    setVisible(true);}@Overridepublic void actionPerformed(ActionEvent arg0) {    frameLeft = getLocationOnScreen().x;    frameTop = getLocationOnScreen().y;    frameWidth = getWidth();    frameHeight = getHeight();    screenXX = java.awt.Toolkit.getDefaultToolkit().getScreenSize().width;    frameRight =screenXX- frameLeft - frameWidth;    // 获取窗体的轮廓    rect = new Rectangle(0, 0, frameWidth, frameHeight);    // 获取鼠标在窗体的位置    point =getMousePosition();    if (frameLeft < 0 &amp;&amp; isPtInRect(rect, point)) {        setLocation(0, frameTop); // 隐藏在左边，鼠标指到后显示窗体；    } else if (frameLeft > -5 &amp;&amp; frameLeft < 5 &amp;&amp; !(isPtInRect(rect, point))) {        setLocation(frameLeft - frameWidth + 1, frameTop); // 窗体移到左边边缘隐藏到左边；    } else if ((frameTop < 0 &amp;&amp; frameLeft < 0) &amp;&amp; isPtInRect(rect, point)) {// 窗体在左上角；        setLocation(0, 0);// 窗口隐藏了，鼠标指到他，就显示出来；    } else if ((frameTop > -5 &amp;&amp; frameTop < 5) &amp;&amp; (frameLeft > -5 &amp;&amp; frameLeft < 5) &amp;&amp; !(isPtInRect(rect, point))) {        // 当窗体的上边框与屏幕的顶端的距离小于5时 ，        // 并且鼠标不再窗体上将窗体隐藏到屏幕的顶端        setLocation(frameLeft - frameWidth + 1, 1);    } else if ((frameTop < 0) &amp;&amp; isPtInRect(rect, point)) {        setLocation(frameLeft, 0);// 窗口隐藏了，鼠标指到他，就显示出来；    } else if (frameTop > -5 &amp;&amp; frameTop < 5 &amp;&amp; !(isPtInRect(rect, point))) {        // 当窗体的上边框与屏幕的顶端的距离小于5时 ，        // 并且鼠标不再窗体上将窗体隐藏到屏幕的顶端        setLocation(frameLeft, 1 - frameHeight);    } else if (frameRight < 0 &amp;&amp; isPtInRect(rect, point)) {        setLocation(screenXX - frameWidth + 1, frameTop);// 隐藏在右边，鼠标指到后显示；    } else if (frameRight > -5 &amp;&amp; frameRight < 5 &amp;&amp; !(isPtInRect(rect, point))) {        setLocation(screenXX - 1, frameTop); // 窗体移到屏幕右边边缘隐藏到右边；    } else if (frameRight < 0 &amp;&amp; frameTop < 0 &amp;&amp; isPtInRect(rect, point)) {// 窗体在右上角；        setLocation(screenXX - frameWidth + 1, 0);// 隐藏在右边，鼠标指到后显示；    } else if ((frameRight > -5 &amp;&amp; frameRight < 5) &amp;&amp; (frameTop > -5 &amp;&amp; frameTop < 5) &amp;&amp; !(isPtInRect(rect, point))) {        setLocation(screenXX - 1, 1); // 窗体移到屏幕右边边缘隐藏到右边；    }}/** * 检测是否在矩形框内 * @param rect * @param point * @return */public boolean isPtInRect(Rectangle rect, Point point) {    if (rect != null &amp;&amp; point != null) {        int x0 = rect.x;        int y0 = rect.y;        int x1 = rect.width;        int y1 = rect.height;        int x = point.x;        int y = point.y;        return x >= x0 &amp;&amp; x < x1 &amp;&amp; y >= y0 &amp;&amp; y < y1;    }    return false;}public static void main(String[] args){    HideFrame frame = new HideFrame();}

}```