private void initComponents() {

    btLogin.setFocusable(false); // Fókusz letiltása
    btSettings.setFocusable(false); // Fókusz letiltása

    btLogin.setBackground(Color.lightGray); // A "bejelentkezés" gomb háttérszínének beállítása
    btSettings.setBackground(
        pnLogin.getBackground()); // A "Beállítások" gomb háttérszínének beállítása

    tfUsername.setPreferredSize(new Dimension(120, 25)); // Szövegmező átméretezése
    pfPassword.setPreferredSize(new Dimension(120, 25)); // Jelszómező átméretezése

    tfUsername.addKeyListener(btEnabler); // A figyelő hozzáadása a felhasználónév mezőhőz
    pfPassword.addKeyListener(btEnabler); // A figyelő hozzáadása a jelszó mezőhőz
  }
  private void initComponents() {
    setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

    messagePane.setBackground(contentPane.getBackground());
    messagePane.setEditorKit(new HTMLEditorKit());
    messagePane.setForeground(contentPane.getForeground());

    setSize(450, 360);

    // center the window
    int x = (int) (Toolkit.getDefaultToolkit().getScreenSize().getWidth() - getWidth()) / 2;
    int y = (int) (Toolkit.getDefaultToolkit().getScreenSize().getHeight() - getHeight()) / 2;
    setLocation(x, y);

    okButton.addActionListener(this);
  }
  private void initializeComponents() {
    this.setTitle("Configuration");
    this.setResizable(false);

    setLayout(new BorderLayout(20, 20));

    JPanel mainPanel = new JPanel();
    mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.X_AXIS));
    mainPanel.setBorder(new LineBorder(mainPanel.getBackground(), 10));
    add(mainPanel, BorderLayout.CENTER);

    GridBagConstraints labelConstraints = new GridBagConstraints();
    labelConstraints.gridx = 0;
    labelConstraints.anchor = GridBagConstraints.WEST;
    labelConstraints.insets = new Insets(5, 5, 5, 5);

    GridBagConstraints inputConstraints = new GridBagConstraints();
    inputConstraints.gridx = 1;
    inputConstraints.anchor = GridBagConstraints.EAST;
    inputConstraints.weightx = 1;
    inputConstraints.insets = new Insets(5, 5, 5, 5);

    JPanel evolutionOptionsPanel = new JPanel();
    evolutionOptionsPanel.setBorder(new TitledBorder("Evolution"));
    evolutionOptionsPanel.setLayout(new BoxLayout(evolutionOptionsPanel, BoxLayout.Y_AXIS));
    mainPanel.add(evolutionOptionsPanel);

    // world size
    JPanel worldSizePanel = new JPanel(new GridBagLayout());
    evolutionOptionsPanel.add(worldSizePanel);
    JLabel worldSizeLabel = new JLabel("World Size");
    worldSizeLabel.setToolTipText("Size of the world in pixels. Width x Height.");
    worldSizePanel.add(worldSizeLabel, labelConstraints);
    JPanel worldSizeInputPanel = new JPanel();
    worldSizeInputPanel.setLayout(new GridBagLayout());
    final AutoSelectOnFocusSpinner worldSizeWidthSpinner =
        new AutoSelectOnFocusSpinner(
            new SpinnerNumberModel(config.getDimension().width, 1, Integer.MAX_VALUE, 1));
    final AutoSelectOnFocusSpinner worldSizeHeightSpinner =
        new AutoSelectOnFocusSpinner(
            new SpinnerNumberModel(config.getDimension().height, 1, Integer.MAX_VALUE, 1));
    worldSizeInputPanel.add(worldSizeWidthSpinner);
    JLabel separatorLabel = new JLabel("x");
    GridBagConstraints c = new GridBagConstraints();
    c.insets = new Insets(0, 5, 0, 5);
    worldSizeInputPanel.add(separatorLabel, c);
    worldSizeInputPanel.add(worldSizeHeightSpinner);
    worldSizePanel.add(worldSizeInputPanel, inputConstraints);

    // starting energy
    JPanel startingEnergyPanel = new JPanel(new GridBagLayout());
    evolutionOptionsPanel.add(startingEnergyPanel);
    JLabel startingEnergyLabel = new JLabel("Starting Energy");
    startingEnergyLabel.setToolTipText(
        "<html>The amount of energy all newly painted pixels start out with.<br />Note that changing this will not affect already painted pixels.</html>");
    startingEnergyPanel.add(startingEnergyLabel, labelConstraints);
    final AutoSelectOnFocusSpinner startingEnergySpinner =
        new AutoSelectOnFocusSpinner(
            new SpinnerNumberModel(config.startingEnergy, 1, Integer.MAX_VALUE, 1));
    startingEnergyPanel.add(startingEnergySpinner, inputConstraints);

    // mutation rate
    JPanel mutationRatePanel = new JPanel(new GridBagLayout());
    evolutionOptionsPanel.add(mutationRatePanel);
    JLabel mutationRateLabel = new JLabel("Mutation Rate");
    mutationRateLabel.setToolTipText(
        "<html>Chance for a mutation to occur during copy or mixing operations.<br />A value of 0.01 means a 1% chance, a value of 0 disables mutation.</html>");
    mutationRatePanel.add(mutationRateLabel, labelConstraints);
    final JSpinner mutationRateSpinner =
        new JSpinner(new SpinnerNumberModel(config.mutationRate, 0.0, 1.0, 0.01));
    mutationRateSpinner.setEditor(
        new JSpinner.NumberEditor(mutationRateSpinner, "#.##############"));
    mutationRateSpinner.setPreferredSize(
        new Dimension(180, mutationRateSpinner.getPreferredSize().height));
    final JFormattedTextField mutationRateSpinnerText =
        ((JSpinner.NumberEditor) mutationRateSpinner.getEditor()).getTextField();
    mutationRateSpinnerText.addFocusListener(
        new FocusListener() {
          public void focusGained(FocusEvent e) {
            SwingUtilities.invokeLater(
                new Runnable() {
                  public void run() {
                    mutationRateSpinnerText.selectAll();
                  }
                });
          }

          public void focusLost(FocusEvent e) {}
        });
    mutationRatePanel.add(mutationRateSpinner, inputConstraints);

    JPanel guiOptionsPanel = new JPanel();
    guiOptionsPanel.setBorder(new TitledBorder("GUI"));
    guiOptionsPanel.setLayout(new BoxLayout(guiOptionsPanel, BoxLayout.Y_AXIS));
    mainPanel.add(guiOptionsPanel);

    // background color
    JPanel backgroundColorPanel = new JPanel(new GridBagLayout());
    guiOptionsPanel.add(backgroundColorPanel, labelConstraints);
    JLabel backgroundColorLabel = new JLabel("Background Color");
    backgroundColorLabel.setToolTipText(
        "<html>Pick the background color.<br />If you have a lot of dark pixels, you might want to set this to a light color.</html>");
    backgroundColorPanel.add(backgroundColorLabel, labelConstraints);
    backgroundColor = new PixelColor(config.backgroundColor);
    JPanel backgroundColorAlignmentPanel = new JPanel();
    backgroundColorAlignmentPanel.setLayout(new GridBagLayout());
    backgroundColorAlignmentPanel.setPreferredSize(mutationRateSpinner.getPreferredSize());
    final ColorChooserLabel backgroundColorChooserLabel = new ColorChooserLabel(backgroundColor);
    backgroundColorAlignmentPanel.add(backgroundColorChooserLabel);
    backgroundColorPanel.add(backgroundColorAlignmentPanel, inputConstraints);

    // FPS
    JPanel fpsPanel = new JPanel(new GridBagLayout());
    guiOptionsPanel.add(fpsPanel);
    JLabel fpsLabel = new JLabel("FPS");
    fpsLabel.setToolTipText(
        "<html>The repaint interval in frames per second (FPS).<br />Set this to a lower value to save a few CPU cycles.</html>");
    fpsPanel.add(fpsLabel, labelConstraints);
    final AutoSelectOnFocusSpinner fpsSpinner =
        new AutoSelectOnFocusSpinner(new SpinnerNumberModel(config.fps, 1, Integer.MAX_VALUE, 1));
    fpsPanel.add(fpsSpinner, inputConstraints);

    // paint history size
    JPanel paintHistorySizePanel = new JPanel(new GridBagLayout());
    guiOptionsPanel.add(paintHistorySizePanel);
    JLabel paintHistorySizeLabel = new JLabel("Paint-History Size");
    paintHistorySizeLabel.setToolTipText(
        "<html>Sets the number of entries in the paint history.<br />In case you have not found it yet: the paint history is the little menu that appears when you right-click on the image.</html>");
    paintHistorySizePanel.add(paintHistorySizeLabel, labelConstraints);
    final AutoSelectOnFocusSpinner paintHistorySizeSpinner =
        new AutoSelectOnFocusSpinner(
            new SpinnerNumberModel(config.paintHistorySize, 1, Integer.MAX_VALUE, 1));
    paintHistorySizePanel.add(paintHistorySizeSpinner, inputConstraints);

    JPanel videoOptionsPanel = new JPanel();
    videoOptionsPanel.setBorder(new TitledBorder("Video Recording"));
    videoOptionsPanel.setLayout(new BoxLayout(videoOptionsPanel, BoxLayout.Y_AXIS));
    mainPanel.add(videoOptionsPanel);

    // FPS video
    JPanel fpsVideoPanel = new JPanel(new GridBagLayout());
    videoOptionsPanel.add(fpsVideoPanel);
    JLabel fpsVideoLabel = new JLabel("FPS of videos");
    fpsVideoLabel.setToolTipText("The number of frames per second (FPS) in recorded videos.");
    fpsVideoPanel.add(fpsVideoLabel, labelConstraints);
    final AutoSelectOnFocusSpinner fpsVideoSpinner =
        new AutoSelectOnFocusSpinner(
            new SpinnerNumberModel(config.fpsVideo, 1, Integer.MAX_VALUE, 1));
    fpsVideoPanel.add(fpsVideoSpinner, inputConstraints);

    // video encoder command
    JPanel videoEncoderPanel = new JPanel(new GridBagLayout());
    videoOptionsPanel.add(videoEncoderPanel);
    JLabel videoEncoderLabel = new JLabel("Video Encoder");
    videoEncoderLabel.setToolTipText(
        "<html>The command to invoke your video encoder.<br />Use the tokens INPUT_FILE and OUTPUT_FILE to denote input and output files of your encoder.</html>");
    videoEncoderPanel.add(videoEncoderLabel, labelConstraints);
    final JTextArea videoEncoderTextArea = new JTextArea(Configuration.ENCODER_COMMAND);
    videoEncoderTextArea.setLineWrap(true);
    videoEncoderTextArea.setWrapStyleWord(true);
    JScrollPane videoEncoderScrollPane =
        new JScrollPane(
            videoEncoderTextArea,
            JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
            JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    videoEncoderScrollPane.setViewportBorder(null);
    videoEncoderScrollPane.setPreferredSize(
        new Dimension(worldSizeInputPanel.getPreferredSize().width, 100));
    videoEncoderPanel.add(videoEncoderScrollPane, inputConstraints);

    JPanel controlPanel = new JPanel();
    add(controlPanel, BorderLayout.SOUTH);

    JButton okButton = new JButton("OK");
    okButton.addActionListener(
        new ActionListener() {

          @Override
          public void actionPerformed(ActionEvent e) {

            new Thread() {

              @Override
              public void run() {
                config.world.addChangeListener(
                    new IChangeListener() {

                      public void changed() {
                        int i, j;
                        double d;
                        String s;

                        // evolution

                        i = (Integer) worldSizeWidthSpinner.getValue();
                        j = (Integer) worldSizeHeightSpinner.getValue();
                        if (config.getDimension().width != i || config.getDimension().height != i) {
                          config.setDimension(new Dimension(i, j));
                        }

                        i = (Integer) startingEnergySpinner.getValue();
                        if (config.startingEnergy != i) {
                          config.startingEnergy = i;
                        }

                        d = (Double) mutationRateSpinner.getValue();
                        if (config.mutationRate != d) {
                          config.mutationRate = d;
                        }

                        // gui

                        i = backgroundColor.getInteger();
                        if (config.backgroundColor != i) {
                          config.backgroundColor = i;
                        }

                        i = (Integer) fpsSpinner.getValue();
                        if (config.fps != i) {
                          config.fps = i;
                        }

                        i = (Integer) paintHistorySizeSpinner.getValue();
                        if (config.paintHistorySize != i) {
                          config.paintHistorySize = i;
                        }

                        // video recording

                        i = (Integer) fpsVideoSpinner.getValue();
                        if (config.fpsVideo != i) {
                          config.fpsVideo = i;
                        }

                        s = videoEncoderTextArea.getText();
                        if (false == Configuration.ENCODER_COMMAND.equals(s)) {
                          Configuration.ENCODER_COMMAND = s;
                        }

                        dispose();
                      }
                    });
              }
            }.start();
          }
        });
    controlPanel.add(okButton);
    JButton cancelButton = new JButton("Cancel");
    cancelButton.addActionListener(
        new ActionListener() {

          @Override
          public void actionPerformed(ActionEvent e) {
            dispose();
          }
        });
    controlPanel.add(cancelButton);

    pack();
  }