SWT无边框窗体实现鼠标拖动移动

package dragWindow; 

 

import org.eclipse.jface.action.Action; 

import org.eclipse.jface.action.MenuManager; 

import org.eclipse.jface.window.ApplicationWindow; import org.eclipse.swt.SWT; 

import org.eclipse.swt.events.MenuDetectEvent; import org.eclipse.swt.events.MenuDetectListener; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseListener; import org.eclipse.swt.events.MouseMoveListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Menu; 

import org.eclipse.swt.widgets.Shell;  

public class DragWindow extends ApplicationWindow implements MouseListener,   

MouseMoveListener, MenuDetectListener { 

  private Composite composite;  private boolean isDraw = false;  private int xx;  private int yy; 

  public DragWindow(Shell parentShell) {   super(parentShell); 

  setShellStyle(SWT.BORDER | SWT.RESIZE);  } 

  @Override 

 protected void configureShell(Shell shell) {   super.configureShell(shell);   shell.setSize(200, 300); 

 } 

  @Override 

 protected Control createContents(Composite parent) {   composite = new Composite(parent, SWT.NONE);   composite.setLayout(new GridLayout());   GridData gridData = new GridData(); 

  gridData.verticalAlignment = GridData.FILL;  

 

gridData.horizontalAlignment = GridData.FILL; 

          

    void function(e,t){for(var n=t.getElementsByTagName("img"),a=+new Date,i=[],o=function(){this.removeEventListener&&this.removeEventListener("load",o,!1),i.push({img:this,time:+new Date})},s=0;s< n.length;s++)!function(){var e=n[s];e.addEventListener?!e.complete&&e.addEventListener("load",o,!1):e.attachEvent&&e.attachEvent("onreadystatechange",function(){"complete"==e.readyState&&o.call(e,o)})}();alog("speed.set",{fsItems:i,fs:a})}(window,document);

  gridData.grabExcessHorizontalSpace = true;   gridData.grabExcessVerticalSpace = true;   composite.setLayoutData(gridData);   composite.addMouseListener(this); 

  composite.addMouseMoveListener(this);   composite.addMenuDetectListener(this);   return composite; 

 } 

  @Override 

 public void mouseMove(MouseEvent arg0) {   if (isDraw) {    getShell().setLocation(getShell().getLocation().x + arg0.x - xx,      getShell().getLocation().y + arg0.y - yy); 

  } 

 } 

  @Override 

 public void mouseDoubleClick(MouseEvent arg0) {  } 

  @Override 

 public void mouseDown(MouseEvent arg0) {   isDraw = true;   xx = arg0.x;   yy = arg0.y; 

 } 

  @Override 

 public void mouseUp(MouseEvent arg0) {   isDraw = false; 

 } 

  @Override 

 public void menuDetected(MenuDetectEvent arg0) {   MenuManager manager = new MenuManager();   manager.add(new CloseAction()); 

  Menu menu = manager.createContextMenu(composite); 

  menu.setLocation(arg0.x, arg0.y);   menu.setVisible(true); 

 } 

  private class CloseAction extends Action {  

 public CloseAction() { 

 var cpro_psid ="u2572954"; var cpro_pswidth =966; var cpro_psheight =120;

   super("Close"); 

  } 

   @Override 

  public void run() {    close(); 

  } 

  } 

  public static void main(String[] args) {   DragWindow window = new DragWindow(new Shell());   window.setBlockOnOpen(true);   window.open(); 

 } 

 }