Button button = new Button("Clear");
button.addActionListener(this);
textField = new TextField(20);
textField.addActionListener(new MyTextActionListener());
textField.addTextListener(new MyTextListener("Text Field"));
textArea = new TextArea(5, 20);
textArea.addTextListener(new MyTextListener("Text Area"));
displayArea = new TextArea(5, 20);
displayArea.setEditable(false);
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
c.fill = GridBagConstraints.BOTH;
c.weightx = 1.0;
/*
* Hack to get around gridbag's refusal to allow
* multi-row components in anything but the left column.
*/
Panel leftPanel = new Panel();
leftPanel.setLayout(new BorderLayout());
leftPanel.add("North", textField);
leftPanel.add("Center", textArea);
c.gridheight = 2;
gridbag.setConstraints(leftPanel, c);
add(leftPanel);
c.weighty = 1.0;
c.gridwidth = GridBagConstraints.REMAINDER;
c.gridheight = 1;
gridbag.setConstraints(displayArea, c);
add(displayArea);
c.weighty = 0.0;
gridbag.setConstraints(button, c);
add(button);
textField.requestFocus();
