keylistenerexample.java

来自「eclipse里面的每种监听器的实现.非常适合编写eclipse插件的入门者」· Java 代码 · 共 61 行

package com.free.event;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

/**
 * <p>Title: Eclipse Plugin Development</p>
 * <p>Description: Free download</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: Free</p>
 * @author gan.shu.man
 * @version 1.0
 */

public class KeyListenerExample {

	  Display display;

	  Shell shell;

	  KeyListenerExample() {

		display = new Display();
	    shell = new Shell(display);

	    shell.setSize(250, 200);
	    shell.setText("A KeyListener Example");
	    Text text = new Text(shell, SWT.BORDER);
	    text.setBounds(50 ,50 ,100, 20);

	    text.addKeyListener(new KeyListener() {

	      public void keyPressed(KeyEvent e) {
	    	  
	    	  System.out.println("key Pressed -"+e.character);
	      }

	      public void keyReleased(KeyEvent e) {
	    	  System.out.println("key Released -"+e.character);
	      }
	    });
	    shell.open();
	    while (!shell.isDisposed()) {
	      if (!display.readAndDispatch())
	    	  display.sleep();
	    }
	    display.dispose();
	  }

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

	}