Example usage for javax.swing JFrame setLocationRelativeTo

List of usage examples for javax.swing JFrame setLocationRelativeTo

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Introduction

In this page you can find the example usage for javax.swing JFrame setLocationRelativeTo.

Prototype

public void setLocationRelativeTo(Component c)

Source Link

Document

Sets the location of the window relative to the specified component according to the following scenarios.

Usage

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setSize(800, 600);//from  w w  w. j a  v a2s  . c  o  m
    f.setLocationRelativeTo(null);

    JTabbedPane p = new JTabbedPane();
    p.addTab("T1", new JPanel());
    p.addTab("T2", new JPanel());
    p.addTab("T3", new JPanel());

    p.addChangeListener(e -> {
        System.out.println("" + p.getSelectedIndex());
        // Index starts at 0, so Index 2 = Tab3
        if (p.getSelectedIndex() == 2) {
            // do your stuff on Tab 3
        }
    });
    f.add(p);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:MyButton.java

public static void main(String[] args) {
    MyButton close = new MyButton("Close");
    JFrame f = new JFrame();
    f.add(close);// w w  w . ja v a  2 s .c  om

    f.setSize(300, 200);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new Main();
    frame.setSize(200, 200);//from  w  w  w.j a  va  2  s .  co  m
    frame.setLocationRelativeTo(null);
    frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
    frame.setVisible(true);
}

From source file:MoveAdapter.java

public static void main(String[] args) {
    JFrame f = new JFrame();

    f.addComponentListener(new MoveAdapter());

    f.setSize(310, 200);/*  w  ww.  ja  v a2 s. c o  m*/
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JToolBar toolbar = new JToolBar(JToolBar.VERTICAL);

    JButton selectb = new JButton(new ImageIcon("select.gif"));
    JButton freehandb = new JButton(new ImageIcon("freehand.gif"));
    JButton shapeedb = new JButton(new ImageIcon("shapeed.gif"));
    JButton penb = new JButton(new ImageIcon("pen.gif"));

    toolbar.add(selectb);/*ww  w .j ava 2  s .c o m*/
    toolbar.add(freehandb);
    toolbar.add(shapeedb);
    toolbar.add(penb);

    JFrame f = new JFrame();
    f.add(toolbar, BorderLayout.WEST);

    f.setSize(250, 350);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JComboBox<String> comboBox = new JComboBox<>(new String[] { "A", "B", "C" });
    comboBox.setEditable(true);// w  w w  .  j  av  a 2  s. c  o  m

    JTextField editorComponent = (JTextField) comboBox.getEditor().getEditorComponent();
    editorComponent.addActionListener(e -> {
        editorComponent.transferFocus();
    });

    JPanel panel = new JPanel(new FlowLayout());
    panel.add(new JLabel("Field 1"));
    panel.add(comboBox);
    panel.add(new JLabel("Field 2"));
    panel.add(new JTextField(10));
    panel.add(new JLabel("Field 3"));
    panel.add(new JTextField(10));

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLocationRelativeTo(null);

    Container c = frame.getContentPane();
    c.setLayout(new BorderLayout());
    c.add(panel, BorderLayout.CENTER);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(new Main());
    f.pack();/*from   w ww  .  j a v  a  2 s.c o m*/
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

From source file:RigidArea.java

public static void main(String[] args) {
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.setBorder(new EmptyBorder(new Insets(40, 60, 40, 60)));

    panel.add(new JButton("Button"));
    panel.add(Box.createRigidArea(new Dimension(0, 5)));
    panel.add(new JButton("Button"));
    panel.add(Box.createRigidArea(new Dimension(0, 5)));
    panel.add(new JButton("Button"));
    panel.add(Box.createRigidArea(new Dimension(0, 5)));
    panel.add(new JButton("Button"));

    JFrame f = new JFrame();
    f.add(panel);/*from  w  w  w.  j a va 2  s . c o  m*/
    f.pack();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

From source file:Toolbars.java

public static void main(String[] args) {
    JToolBar toolbar1 = new JToolBar();
    JToolBar toolbar2 = new JToolBar();

    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));

    JButton newb = new JButton(new ImageIcon("new.png"));
    JButton openb = new JButton(new ImageIcon("open.png"));
    JButton saveb = new JButton(new ImageIcon("save.png"));

    toolbar1.add(newb);/*from ww w  .j  a v  a  2  s . c om*/
    toolbar1.add(openb);
    toolbar1.add(saveb);
    toolbar1.setAlignmentX(0);

    JButton exitb = new JButton(new ImageIcon("exit.png"));
    toolbar2.add(exitb);
    toolbar2.setAlignmentX(0);

    exitb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            System.exit(0);
        }
    });

    panel.add(toolbar1);
    panel.add(toolbar2);

    JFrame f = new JFrame();
    f.add(panel, BorderLayout.NORTH);

    f.setSize(300, 200);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:AboutDialog.java

public static void main(String[] args) {
    JMenuBar menubar = new JMenuBar();

    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);

    JMenu help = new JMenu("Help");
    help.setMnemonic(KeyEvent.VK_H);

    JMenuItem about = new JMenuItem("About");
    help.add(about);//ww w. ja v  a 2 s.c  o m

    about.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            AboutDialog ad = new AboutDialog();
            ad.setVisible(true);
        }
    });

    menubar.add(file);
    menubar.add(help);
    JFrame f = new JFrame();
    f.setJMenuBar(menubar);

    f.setSize(300, 200);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}