- import 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);
- }
- @Override
- public 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 && isPtInRect(rect, point)) {
- setLocation(0, frameTop); // 隐藏在左边,鼠标指到后显示窗体;
- } else if (frameLeft > -5 && frameLeft < 5 && !(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 && frameLeft < 0) && 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 && frameTop < 5) && (frameLeft > -5 && frameLeft < 5) && !(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) && 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 && frameTop < 5 && !(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 && isPtInRect(rect, point)) {
- setLocation(screenXX - frameWidth + 1, frameTop);// 隐藏在右边,鼠标指到后显示;
- } else if (frameRight > -5 && frameRight < 5 && !(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 && frameTop < 0 && 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 && frameRight < 5) && (frameTop > -5 && frameTop < 5) && !(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 && 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 && x < x1 && y >= y0 && y < y1;
- }
- return false;
- }
- public static void main(String[] args){
- HideFrame frame = new HideFrame();
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/050620133821.html
来源: http://www.codesnippet.cn/detail/050620133821.html