Example usage for javax.swing JFrame setLocationRelativeTo

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[] argv) {
    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }// www.  j av  a  2 s.c o m
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(textcomp));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:FontSizeAnimation.java

public static void main(String[] args) {
    JFrame frame = new JFrame("FontSizeAnimation");
    frame.add(new FontSizeAnimation());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(400, 300);//from  www  . ja  va 2  s  .co m
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) {

    JTextComponent textcomp = new JTextArea();
    final UndoManager undo = new UndoManager();
    Document doc = textcomp.getDocument();

    doc.addUndoableEditListener(new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent evt) {
            undo.addEdit(evt.getEdit());
        }/*from  w  w  w. ja v a  2 s. c  o m*/
    });

    textcomp.getActionMap().put("Undo", new AbstractAction("Undo") {
        public void actionPerformed(ActionEvent evt) {
            try {
                if (undo.canUndo()) {
                    undo.undo();
                }
            } catch (CannotUndoException e) {
            }
        }
    });

    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(textcomp));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    final JButton ok = new JButton("ok");
    JCheckBox cb = new JCheckBox("Enabled", true);
    cb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (ok.isEnabled())
                ok.setEnabled(false);/*from ww w.  j a v a 2 s .  c  o  m*/
            else
                ok.setEnabled(true);
        }
    });

    ButtonModel model = new DefaultButtonModel() {
        public void setEnabled(boolean b) {
            if (b)
                System.out.println("Pressed: true");
            else
                System.out.println("Pressed: false");

            super.setEnabled(b);
        }

        public void setArmed(boolean b) {
            if (b)
                System.out.println("Armed: true");
            else
                System.out.println("Armed: false");

            super.setArmed(b);
        }

        public void setPressed(boolean b) {
            if (b)
                System.out.println("Pressed: true");
            else
                System.out.println("Pressed: false");

            super.setPressed(b);
        }

    };

    ok.setModel(model);

    JFrame f = new JFrame();
    f.setLayout(new FlowLayout());
    f.add(ok);
    f.add(cb);

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

From source file:Main.java

public static void main(String[] args) {
    JFrame.setDefaultLookAndFeelDecorated(true);
    JFrame f = new JFrame();
    f.setBackground(new Color(0, true)); // 1.7.0
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    f.getContentPane().add(makeUI());//from  w w  w .j a  va 2 s .c o  m
    f.setSize(320, 240);
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JLabel userLabel = new JLabel("User Name");
    JLabel passLabel = new JLabel("Password");
    JTextField userText = new JTextField(20);
    JPasswordField passText = new JPasswordField(20);
    JButton loginButton = new JButton("Login");

    JPanel panel = new JPanel(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();

    gbc.insets = new Insets(4, 4, 4, 4);
    gbc.gridx = 0;/*from ww w.  jav  a2  s. c  om*/
    gbc.gridy = 0;
    gbc.fill = GridBagConstraints.NONE;
    panel.add(userLabel, gbc);

    gbc.gridx = 1;
    gbc.gridy = 0;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    panel.add(userText, gbc);

    gbc.gridx = 0;
    gbc.gridy = 1;
    gbc.fill = GridBagConstraints.NONE;
    panel.add(passLabel, gbc);

    gbc.gridx = 1;
    gbc.gridy = 1;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    panel.add(passText, gbc);

    gbc.gridx = 0;
    gbc.gridy = 2;
    gbc.fill = GridBagConstraints.NONE;
    gbc.anchor = GridBagConstraints.CENTER;
    gbc.gridwidth = 2;
    panel.add(loginButton, gbc);

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(new JScrollPane(panel));
    f.pack();
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    final JTextPane tp = new JTextPane();
    JButton withFocus = new JButton("Select with focus");
    tp.addMouseListener(new MouseAdapter() {

        @Override//from   ww w .j  a  va 2  s .  c o m
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2 && SwingUtilities.isLeftMouseButton(e)) {
                tp.selectAll();
            }
        }

    });

    JFrame frame = new JFrame("Testing");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new BorderLayout());
    frame.add(new JScrollPane(tp));
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:ColorFadingAnimation.java

public static void main(String[] args) {
    JFrame frame = new JFrame("Color fading aniamtion");
    frame.add(new ColorFadingAnimation());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(250, 150);/*  ww w .  j ava  2  s. co  m*/
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            JScrollPane scrollpane = new JScrollPane(new ScrollPaneArtifacts());
            scrollpane.getViewport().setPreferredSize(new Dimension(400, 400));
            JFrame frame = new JFrame("ScrollPaneArtifacts");
            frame.getContentPane().add(scrollpane);
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.pack();//from   ww w. java2  s.  c om
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
        }
    });
}

From source file:SwingTimerBasedAnimationScaleRotate.java

public static void main(String[] args) {

    JFrame frame = new JFrame("Moving star");
    frame.add(new SwingTimerBasedAnimationScaleRotate());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(420, 250);//from w  w w .j  a v a 2s  . c  o  m
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}