Java JFrame Center centerFrame(JFrame frame)

Description

Centers the frame on the screen and sets its bounds.

License

Open Source License

Parameter

Parameter	Description
frame	a parameter

Declaration

public static void centerFrame(JFrame frame) 

Method Source Code

//package com.java2s;
/*//from w  ww  .jav  a  2 s. co m
 * @(#)SwingUtils.java   2010.01.25 at 11:23:37 PST
 *
 * Copyright 2009 MBARI
 *
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.*;

import javax.swing.*;

public class Main {
    /**
     * Centers the frame on the screen and sets its bounds. THis method should be
     * used after you call frame.pack() or frame.setSize().
     * @param frame
     */
    public static void centerFrame(JFrame frame) {
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        Point center = ge.getCenterPoint();
        Rectangle bounds = ge.getMaximumWindowBounds();
        int w = Math.max(bounds.width / 2, Math.min(frame.getWidth(), bounds.width));
        int h = Math.max(bounds.height / 2, Math.min(frame.getHeight(), bounds.height));
        int x = center.x - w / 2, y = center.y - h / 2;
        frame.setBounds(x, y, w, h);

        if ((w == bounds.width) && (h == bounds.height)) {
            frame.setExtendedState(Frame.MAXIMIZED_BOTH);
        }

        frame.validate();
    }
}

Related

1. centerDialog(JDialog dialog, JFrame frame)
2. centerDialog(JDialog dialog, JFrame parent)
3. centerDialogIntoFrame(java.awt.Component p_CompToBePositioned, javax.swing.JFrame p_MainFrame)
4. centerDialogOnFrame(JFrame parentFrame, JDialog dialog)
5. centerFrame(final JFrame target)
6. centerFrame(JFrame frame)
7. centerFrame(JFrame frame)
8. centerFrame(JFrame frame)
9. centerFrame(JFrame frame)