envelopframe.java

用swt作的一个类似飞鸽一样的局域网通信工具

package view.receiver;

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.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;

public class EnvelopFrame extends Composite {

	private Button button = null;
	
	private NetReceiverFrame parent;

	public EnvelopFrame(NetReceiverFrame parent, int style) {
		
		super(parent.getShell(), style);
		
		this.parent = parent;
		
		initialize();
		
		parent.getShell().addDisposeListener(new DisposeListener(){

			public void widgetDisposed(DisposeEvent e) {
					button.dispose();
					EnvelopFrame.this.dispose();
//					EnvelopFrame.this.parent.thisDispose();
					System.gc();
				}
		});
	}

	private void initialize() {
		int w = 250;
		int h = 100;
		button = new Button(this, SWT.NONE);
		button.setBounds(new Rectangle(0, 0, w-6, h-6));
		button.setFocus();
		this.setLayout(null);
		this.setSize(new Point(w, h));
		
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
				button.dispose();
				EnvelopFrame.this.dispose();
				parent.initialize();
			}
		});
	}
	
	public void setText(String text){
		button.setText(text);
	}

}  //  @jve:decl-index=0:visual-constraint="10,10"