1 /*
2 * Copyright (c) 2003-2008 by Cosylab d. d.
3 *
4 * This file is part of CosyBeans-Common.
5 *
6 * CosyBeans-Common is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * CosyBeans-Common is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with CosyBeans-Common. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 package com.cosylab.gui.components.util;
21
22 import java.awt.Dimension;
23 import java.awt.Toolkit;
24 import java.awt.Window;
25
26 /**
27 * This is a convenience class with static methods used to position graphic components
28 * on screen.
29 *
30 * @author <a href="mailto:miha.kadunc@cosylab.com">Miha Kadunc</a>
31 * @version $id$
32 */
33
34 public class ComponentPositioner {
35
36 /**
37 * Centers a window in the middle of the screen. Screen size is queried from the
38 * AWT Toolkit. The window is centered by calling its <code>setLocation</code> function.
39 *
40 * @param w the window to be centered
41 */
42 public static void centerOnScreen(Window w)
43 {
44 Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
45 Dimension size = w.getSize();
46 w.setLocation(screenSize.width / 2 - size.width / 2, screenSize.height / 2 - size.height / 2);
47 }
48 }
49