/* * [TestTextArea.java] * * Summary: demonstrate the use of java.awt.TextArea. * * Copyright: (c) 2009-2017 Roedy Green, Canadian Mind Products, http://mindprod.com * * Licence: This software may be copied and used freely for any purpose but military. * http://mindprod.com/contact/nonmil.html * * Requires: JDK 1.8+ * * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/ * * Version History: * 1.0 2009-01-01 initial version */ package com.mindprod.example; import java.awt.Color; import java.awt.Font; import java.awt.Frame; import java.awt.TextArea; import java.awt.event.TextEvent; import java.awt.event.TextListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import static java.lang.System.*; /** * demonstrate the use of java.awt.TextArea. * * @author Roedy Green, Canadian Mind Products * @version 1.0 2009-01-01 initial version * @since 2009-01-01 */ public final class TestTextArea { /** * Debugging harness for a Frame * * @param args not used. */ public static void main( String args[] ) { final Frame frame = new Frame(); // The user hitting enter inserts a \n character into the text. final TextArea textarea = new TextArea( "this is a TEST" ); textarea.setBackground( Color.BLACK ); textarea.setForeground( Color.YELLOW ); textarea.setFont( new Font( "Dialog", Font.BOLD, 15 ) ); textarea.setEnabled( true ); textarea.setEditable( true ); textarea.addTextListener( new TextListener() { /** * Invoked when the value of the text has changed. The code written * for this method performs the operations that need to occur when * text changes. */ public void textValueChanged( TextEvent e ) { out.println( textarea.getText() ); } } ); frame.add( textarea ); frame.setSize( 100, 100 ); frame.addWindowListener( new WindowAdapter() { /** * Handle request to shutdown. * @param e event giving details of closing. */ public void windowClosing( WindowEvent e ) { System.exit( 0 ); } // end WindowClosing } // end anonymous class );// end addWindowListener line frame.validate(); frame.setVisible( true ); } // end main }