buttonclass.java

jsp网络编程从基础到实践源代码

package org.cookbook.ch08;

import org.eclipse.swt.widgets.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;

/**
 * @author Steven Holzner
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class ButtonClass {

	public static void main(String [] args) {
	   Display display = new Display();
	   Shell shell = new Shell(display);
	   shell.setSize(200, 200);
	   shell.setText("Button Example");

	   final Button button = new Button(shell, SWT.PUSH);
	   button.setBounds(40, 50, 50, 20);
       button.setText("Click Me");

	   final Text text = new Text(shell, SWT.BORDER);
	   text.setBounds(100, 50, 70, 20);
       
	   button.addSelectionListener(new SelectionListener()
	   {

		  public void widgetSelected(SelectionEvent event)
		  {
			text.setText("No problem");
		  }

		  public void widgetDefaultSelected(SelectionEvent event)
		  {
			text.setText("No worries!");
		  }
	   });

	   shell.open();
	   while(!shell.isDisposed()) {
		  if(!display.readAndDispatch()) display.sleep();
	   }
	   display.dispose();
	}
}