Positions the specified frame at a relative position in the screen, where 50% is considered to be the center of the screen. - Java Swing

Java examples for Swing:Screen

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Description

Positions the specified frame at a relative position in the screen, where 50% is considered to be the center of the screen.

Demo Code

/*/*from w  ww .java 2  s .  c o  m*/
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program 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.
 *
 * Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
 */
//package com.java2s;

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.Window;

public class Main {
    /**
     * Positions the specified frame at a relative position in the screen, where 50% is considered to be the center of the
     * screen.
     *
     * @param frame             the frame.
     * @param horizontalPercent the relative horizontal position of the frame (0.0 to 1.0, where 0.5 is the center of the
     *                          screen).
     * @param verticalPercent   the relative vertical position of the frame (0.0 to 1.0, where 0.5 is the center of the
     *                          screen).
     */
    public static void positionFrameOnScreen(final Window frame,
            final double horizontalPercent, final double verticalPercent) {

        final Rectangle s = frame.getGraphicsConfiguration().getBounds();
        final Dimension f = frame.getSize();

        final int spaceOnX = Math.max(s.width - f.width, 0);
        final int spaceOnY = Math.max(s.height - f.height, 0);
        final int x = (int) (horizontalPercent * spaceOnX) + s.x;
        final int y = (int) (verticalPercent * spaceOnY) + s.y;
        frame.setBounds(x, y, f.width, f.height);
        frame.setBounds(s.intersection(frame.getBounds()));
    }
}

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