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>
34 public class SwingUtils {
37 * Centers the given window on the screen.
40 * The window to center
42 public static void center(Window window) {
43 Dimension screenDimension = Toolkit.getDefaultToolkit().getScreenSize();
44 Dimension frameDimension = window.getSize();
45 window.setLocation((screenDimension.width - frameDimension.width) >> 1, (screenDimension.height - frameDimension.height) >> 1);
49 * {@link Window#pack() Packs} the given window and positions it so that its
50 * center stays the same.
53 * The window to pack and recenter
55 public static void repackCentered(Window window) {
56 Point center = getCenter(window.getBounds());
58 window.setLocation((center.x - window.getWidth() / 2), (center.y - window.getHeight() / 2));
63 * Returns the center of the given rectangle.
66 * The rectangle which center to get
67 * @return The center of the rectangle
69 private static Point getCenter(Rectangle bounds) {
70 return new Point(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);