Source Code : Shared Menu in SWT

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Shared Menu in SWT

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 5, 2004 2:50:44 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.com/swt
 *****************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;

public class SharedMenu {
  Display display = new Display();
  Shell shell = new Shell(display);

  public SharedMenu() {

    menu();

    shell.pack();
    shell.open();
    
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }

    display.dispose();
  }
  
  private void menu() {
    shell.setLayout(new GridLayout(2, true));
    
    final Composite composite1 = new Composite(shell, SWT.BORDER);
    composite1.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
    
    final Composite composite2 = new Composite(shell, SWT.BORDER);
    composite2.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
    
    Menu menu = new Menu(composite1);
    MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
    menuItem.setText("Popup menu");
    
    menuItem.addDisposeListener(new DisposeListener() {
      public void widgetDisposed(DisposeEvent e) {
        System.out.println("Menu item is disposed.");
      }
    });

    menuItem.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println("Dispsoing ...");
        //composite2.setMenu(null);
        composite2.dispose();
      }
    });
    
    composite1.setMenu(menu);
    composite2.setMenu(menu);
  }

/*  
  private void complex() {
    shell.setLayout(new GridLayout(2, true));
    
    Label label = new Label(shell, SWT.NULL);
    label.setText("Label");
    
    Composite composite = new Composite(shell, SWT.NULL);
    composite.setLayout(new GridLayout());
    
    Button button1 = new Button(composite, SWT.PUSH);
    button1.setText("Button 1");
    
    Button button2 = new Button(composite, SWT.PUSH);
    button2.setText("Button 2");
    
  }
  
  private void addButton() {
    shell.setLayout(new GridLayout());
    
    Label label = new Label(shell, SWT.NULL);
    
    final Color color = new Color(display, 255, 0, 0);
    
    label.setForeground(color);
    label.setForeground(display.getSystemColor(SWT.COLOR_RED));
    
    label.setText("Testing label");
    
    label.addDisposeListener(new DisposeListener() {
      public void widgetDisposed(DisposeEvent e) {
        color.dispose();
      }
    });
  }

  private void draw() {
    GC gc = new GC(shell);
    gc.setLineWidth(3);
    
    //Color color = new Color(display, 255, 0, 0);
    
    //gc.setForeground(color);
    gc.drawRectangle(10, 10, 200, 100);
    
    gc.dispose();
  }
*/

  public static void main(String[] args) {
    new SharedMenu();
  }
  
}



           
       

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