KatrinaHoffert · December 25, 2015 03:38
diff --git a/DisplayPromptExample.java b/DisplayPromptExample.java
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
 import java.awt.Toolkit;
 import java.awt.event.ActionEvent;

 import javax.swing.AbstractAction;
 import javax.swing.JButton;
 import javax.swing.JDialog;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;

 class DisplayPromptExample
 {
 	public static void main(String[] args)
 	{
 		displayPrompt("This is my message!", "Hello, World");
 	}
 	
 	public static void displayPrompt(String message, String header)
 	{
 		// The frame
 		final JDialog frame = new JDialog();
 		frame.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
 		frame.setSize(300, 100);
 		frame.setUndecorated(true);
 	
 		frame.setLayout(new GridBagLayout());
 		GridBagConstraints constraints = new GridBagConstraints();
 	
 		// The heading
 		JLabel headingLabel = new JLabel(header);
 		headingLabel.setFont(new Font("Sans Serif", Font.BOLD, 18));
 		headingLabel.setOpaque(false);
 	
 		constraints.gridx = 0;
 		constraints.gridy = 0;
 		constraints.weightx = 1;
 		constraints.weighty = -1;
 		constraints.insets = new Insets(5, 5, 5, 5);
 		constraints.fill = GridBagConstraints.BOTH;
 		frame.add(headingLabel, constraints);
 	
 		// The close button
 		// Make the button close the window on click
 		JButton closeButton = new JButton(new AbstractAction("X")
 		{
 			@Override
 			public void actionPerformed(ActionEvent arg0)
 			{
 				frame.dispose();
 			}
 		});
 	
 		closeButton.setMargin(new Insets(1, 4, 1, 4));
 		closeButton.setFocusable(false);
 	
 		constraints.gridx = 1;
 		constraints.weightx = 0;
 		constraints.weighty = 0;
 		constraints.fill = GridBagConstraints.NONE;
 		constraints.anchor = GridBagConstraints.NORTH;
 		frame.add(closeButton, constraints);
 	
 		// The message
 		JLabel messageLabel = new JLabel("<html>" + message);
 		messageLabel.setFont(new Font("Sans Serif", Font.PLAIN, 12));
 		constraints.gridx = 0;
 		constraints.gridy = 1;
 		constraints.weightx = 1;
 		constraints.weighty = 1;
 		constraints.insets = new Insets(5, 5, 5, 5);
 		constraints.fill = GridBagConstraints.HORIZONTAL;
 		frame.add(messageLabel, constraints);
 	
 		// Get dimension of screen and tool bar(s)
 		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
 		Insets toolBarOffset = Toolkit.getDefaultToolkit().getScreenInsets(
 				frame.getGraphicsConfiguration());
 	
 		// Offset from the left is the width of the screen minus the size of the frame minus and
 		// any
 		// toolbars (so it works with, say, a taskbar that is on the right side of the screen)
 		// Offset from the top is similar
 		frame.setLocation(screenSize.width - frame.getWidth() - toolBarOffset.right,
 				screenSize.height - toolBarOffset.bottom - frame.getHeight());
 	
 		frame.setAlwaysOnTop(true);
 		frame.setVisible(true);
 	
 		// Use a thread to make the frame disappear after a period of time
 		new Thread()
 		{
 			@Override
 			public void run()
 			{
 				try
 				{
 					Thread.sleep(7500);
 					frame.dispose();
 				}
 				catch(InterruptedException e)
 				{}
 			};
 		}.start();
 	}
 }
	import java.awt.Dimension;
	import java.awt.Font;
	import java.awt.GridBagConstraints;
	import java.awt.GridBagLayout;
	import java.awt.Insets;
	import java.awt.Toolkit;
	import java.awt.event.ActionEvent;

	import javax.swing.AbstractAction;
	import javax.swing.JButton;
	import javax.swing.JDialog;
	import javax.swing.JLabel;
	import javax.swing.JOptionPane;

	class DisplayPromptExample
	{
	public static void main(String[] args)
	{
	displayPrompt("This is my message!", "Hello, World");
	}

	public static void displayPrompt(String message, String header)
	{
	// The frame
	final JDialog frame = new JDialog();
	frame.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
	frame.setSize(300, 100);
	frame.setUndecorated(true);

	frame.setLayout(new GridBagLayout());
	GridBagConstraints constraints = new GridBagConstraints();

	// The heading
	JLabel headingLabel = new JLabel(header);
	headingLabel.setFont(new Font("Sans Serif", Font.BOLD, 18));
	headingLabel.setOpaque(false);

	constraints.gridx = 0;
	constraints.gridy = 0;
	constraints.weightx = 1;
	constraints.weighty = -1;
	constraints.insets = new Insets(5, 5, 5, 5);
	constraints.fill = GridBagConstraints.BOTH;
	frame.add(headingLabel, constraints);

	// The close button
	// Make the button close the window on click
	JButton closeButton = new JButton(new AbstractAction("X")
	{
	@Override
	public void actionPerformed(ActionEvent arg0)
	{
	frame.dispose();
	}
	});

	closeButton.setMargin(new Insets(1, 4, 1, 4));
	closeButton.setFocusable(false);

	constraints.gridx = 1;
	constraints.weightx = 0;
	constraints.weighty = 0;
	constraints.fill = GridBagConstraints.NONE;
	constraints.anchor = GridBagConstraints.NORTH;
	frame.add(closeButton, constraints);

	// The message
	JLabel messageLabel = new JLabel("<html>" + message);
	messageLabel.setFont(new Font("Sans Serif", Font.PLAIN, 12));
	constraints.gridx = 0;
	constraints.gridy = 1;
	constraints.weightx = 1;
	constraints.weighty = 1;
	constraints.insets = new Insets(5, 5, 5, 5);
	constraints.fill = GridBagConstraints.HORIZONTAL;
	frame.add(messageLabel, constraints);

	// Get dimension of screen and tool bar(s)
	Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
	Insets toolBarOffset = Toolkit.getDefaultToolkit().getScreenInsets(
	frame.getGraphicsConfiguration());

	// Offset from the left is the width of the screen minus the size of the frame minus and
	// any
	// toolbars (so it works with, say, a taskbar that is on the right side of the screen)
	// Offset from the top is similar
	frame.setLocation(screenSize.width - frame.getWidth() - toolBarOffset.right,
	screenSize.height - toolBarOffset.bottom - frame.getHeight());

	frame.setAlwaysOnTop(true);
	frame.setVisible(true);

	// Use a thread to make the frame disappear after a period of time
	new Thread()
	{
	@Override
	public void run()
	{
	try
	{
	Thread.sleep(7500);
	frame.dispose();
	}
	catch(InterruptedException e)
	{}
	};
	}.start();
	}
	}