public JFrame buildFrame() { f = new JFrame("AMSA World"); f.setSize(800, 600); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setLayout(new GridBagLayout()); textArea.setFocusable(false); JScrollPane scrollPane = new JScrollPane(textArea); scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); ActionListener listener = new ActionListener() { public void actionPerformed(ActionEvent evt) { checkInput(); } }; inputText.addActionListener(listener); GridBagConstraints c = new GridBagConstraints(); c.fill = GridBagConstraints.HORIZONTAL; c.insets = new Insets(5, 5, 5, 5); c.weightx = 1.0; c.gridwidth = 3; c.weighty = 0.025; c.gridx = 0; c.gridy = 0; f.add(topPanel, c); c.fill = GridBagConstraints.BOTH; c.weighty = 1.0; c.gridwidth = 2; c.gridx = 0; c.gridy = 1; f.add(scrollPane, c); c.fill = GridBagConstraints.BOTH; c.weighty = 1.0; c.gridwidth = 1; c.gridx = 2; c.gridy = 1; f.add(sidePanel, c); sidePanel.setVisible(false); c.fill = GridBagConstraints.HORIZONTAL; c.weighty = 0.025; c.gridwidth = 3; c.gridx = 0; c.gridy = 2; f.add(inputText, c); f.setVisible(true); return f; }