写了一个继承JFrame的类,设置了this.setUndecorated(true);
出现了像Jwindow的样式,但是当添加了鼠标事件后,
编程后窗体无法随鼠标移动,请大家帮忙解决!谢谢
写了一个继承JFrame的类,设置了this.setUndecorated(true);
出现了像Jwindow的样式,但是当添加了鼠标事件后,
编程后窗体无法随鼠标移动,请大家帮忙解决!谢谢
可以自己做个类似 窗口外框的东西。 给个例子:
[code="java"]
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import prx.swing.widgets.PWindowDragger;
public class PFrame extends JFrame {
/**
*
*/
private static final long serialVersionUID = 2685642063387323018L;
public PFrame() {
this.setUndecorated(true);
JPanel top = new JPanel();
top.setBackground(Color.LIGHT_GRAY);
top.setLayout(new BorderLayout());
JLabel moveLabel = new JLabel("鼠标拖动区域", SwingConstants.CENTER);
top.add(moveLabel, BorderLayout.CENTER);
JButton closeButton = new JButton("关闭");
closeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
PFrame.this.dispose();
}
});
top.add(closeButton, BorderLayout.EAST);
new PWindowDragger(this, top);
this.getContentPane().add(top, BorderLayout.NORTH);
}
public static void main(String[] args) {
PFrame frame = new PFrame();
frame.setSize(300, 300);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
[/code]
[code="java"]
package prx.swing.widgets;
import javax.swing.SwingUtilities;
import java.awt.Component;
import java.awt.Point;
import java.awt.Window;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
/**
@author pengranxiang
*/
public class PWindowDragger {
private Window fWindow;
private Component fComponent;
private int dX;
private int dY;
/**
@param component
*/
public PWindowDragger(Window window, Component component) {
fWindow = window;
fComponent = component;
fComponent.addMouseListener(createMouseListener());
fComponent.addMouseMotionListener(createMouseMotionListener());
}
private MouseListener createMouseListener() {
return new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
Point clickPoint = new Point(e.getPoint());
SwingUtilities.convertPointToScreen(clickPoint, fComponent);
dX = clickPoint.x - fWindow.getX();
dY = clickPoint.y - fWindow.getY();
}
};
}
private MouseMotionAdapter createMouseMotionListener() {
return new MouseMotionAdapter() {
@Override
public void mouseDragged(MouseEvent e) {
Point dragPoint = new Point(e.getPoint());
SwingUtilities.convertPointToScreen(dragPoint, fComponent);
fWindow.setLocation(dragPoint.x - dX, dragPoint.y - dY);
}
};
}
}
[/code]