2 * jSite2 - SwingUtils.java -
3 * Copyright © 2008 David Roden
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 package net.pterodactylus.util.swing;
22 import java.awt.Dimension;
23 import java.awt.Point;
24 import java.awt.Rectangle;
25 import java.awt.Toolkit;
26 import java.awt.Window;
29 * Helper utilities for working with Swing.
31 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
33 public class SwingUtils {
35 /** The screen size. */
36 private static Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize();
39 * Returns the size of the screen.
41 * @return The size of the screen
43 public static Dimension getScreenSize() {
44 return new Dimension(screenDimension);
48 * Centers the given window on the screen.
51 * The window to center
53 public static void center(Window window) {
54 Dimension frameDimension = window.getSize();
55 window.setLocation((screenDimension.width - frameDimension.width) >> 1, (screenDimension.height - frameDimension.height) >> 1);
59 * {@link Window#pack() Packs} the given window and positions it so that its
60 * center stays the same.
63 * The window to pack and recenter
65 public static void repackCentered(Window window) {
66 Point center = getCenter(window.getBounds());
68 window.setLocation((center.x - window.getWidth() / 2), (center.y - window.getHeight() / 2));
73 * Returns the center of the given rectangle.
76 * The rectangle which center to get
77 * @return The center of the rectangle
79 private static Point getCenter(Rectangle bounds) {
80 return new Point(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);