/* Copyright (c) 2007 Timothy Wall, All Rights Reserved
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package com.sun.jna.contrib.demo;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.geom.Rectangle2D;
import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.Popup;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import com.sun.jna.platform.WindowUtils;
/** Demonstration of BalloonManager. */
public class BalloonManagerDemo {
private static final int ICON_SIZE = 48;
private static class InfoIcon implements Icon {
public int getIconHeight() {
return ICON_SIZE;
}
public int getIconWidth() {
return ICON_SIZE;
}
public void paintIcon(Component c, Graphics graphics, int x, int y) {
Font font = UIManager.getFont("TextField.font");
Graphics2D g = (Graphics2D)graphics.create(x, y, getIconWidth(), getIconHeight());
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.setFont(font.deriveFont(Font.BOLD, getIconWidth()*3/4));
g.setColor(Color.green.darker());
final int SW = Math.max(getIconWidth()/10, 4);
g.setStroke(new BasicStroke(SW));
g.drawArc(SW/2, SW/2, getIconWidth()-SW-1, getIconHeight()-SW-1, 0, 360);
Rectangle2D bounds =
font.getStringBounds("i", g.getFontRenderContext());
g.drawString("i", Math.round((getIconWidth() - bounds.getWidth())/2 - getIconWidth()/12),
SW/2 + Math.round((getIconHeight()-bounds.getHeight())/2 - bounds.getY() + getIconHeight()/8));
g.dispose();
}
}
public static void main(String[] args) {
try {
System.setProperty("sun.java2d.noddraw", "true");
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
}
JFrame f = new JFrame("Balloon Test");
final String BALLOON_TEXT = "<html><center>"
+ "This is some sample balloon text<br>"
+ "which has been formatted with html.<br>"
+ "Click to dismiss.</center></html>";
final JLabel content = new JLabel(BALLOON_TEXT);
content.setIconTextGap(10);
content.setBorder(new EmptyBorder(0, 8, 0, 8));
content.setSize(content.getPreferredSize());
content.setIcon(new InfoIcon());
JLabel label = new JLabel("Click anywhere for more information");
label.setHorizontalAlignment(SwingConstants.CENTER);
label.addMouseListener(new MouseAdapter() {
private MouseListener listener = new MouseAdapter() {
public void mousePressed(MouseEvent e) {
hidePopup(e);
}
};
private Popup popup;
private void hidePopup(MouseEvent e) {
e.getComponent().removeMouseListener(listener);
if (popup != null)
popup.hide();
}
public void mousePressed(MouseEvent e) {
hidePopup(e);
popup = BalloonManager.getBalloon(e.getComponent(), content, e.getX(), e.getY());
popup.show();
content.getParent().addMouseListener(listener);
}
});
f.getContentPane().add(label);
f.pack();
f.setSize(new Dimension(300, 300));
f.setLocation(100, 100);
try {
// Force a load of JNA
WindowUtils.setWindowMask(f, WindowUtils.MASK_NONE);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
catch(UnsatisfiedLinkError e) {
e.printStackTrace();
String msg = e.getMessage()
+ "\nError loading the JNA library";
JTextArea area = new JTextArea(msg);
area.setOpaque(false);
area.setFont(UIManager.getFont("Label.font"));
area.setEditable(false);
area.setColumns(80);
area.setRows(8);
area.setWrapStyleWord(true);
area.setLineWrap(true);
JOptionPane.showMessageDialog(null, new JScrollPane(area),
"Library Load Error: "
+ System.getProperty("os.name")
+ "/" + System.getProperty("os.arch"),
JOptionPane.ERROR_MESSAGE);
System.exit(1);
}
}
}