GUIUtils.java Source code

Introduction

Here is the source code for GUIUtils.java

Source

/*
 * Copyright (C) 2001-2004 Colin Bell
 * colbell@users.sourceforge.net
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.geom.Rectangle2D;
import java.beans.PropertyVetoException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.SwingUtilities;

/**
 * Common GUI utilities accessed via static methods.
 * 
 * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
 */
public class GUIUtils {

    public static boolean isWithinParent(Component wind) {
        if (wind == null) {
            throw new IllegalArgumentException("Null Component passed");
        }

        Rectangle windowBounds = wind.getBounds();
        Component parent = wind.getParent();
        Rectangle parentRect = null;
        if (parent != null) {
            parentRect = new Rectangle(parent.getSize());
        } else {
            // parentRect = new
            // Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
            parentRect = getScreenBoundsFor(windowBounds);
        }

        // if (windowBounds.x > (parentRect.width - 20)
        // || windowBounds.y > (parentRect.height - 20)
        // || (windowBounds.x + windowBounds.width) < 20
        // || (windowBounds.y + windowBounds.height) < 20)
        // {
        // return false;
        // }
        if (windowBounds.x < (parentRect.x - 20) || windowBounds.y < (parentRect.y - 20)) {
            return false;
        }
        return true;
    }

    public static Rectangle getScreenBoundsFor(Rectangle rc) {
        final GraphicsDevice[] gds = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
        final List<GraphicsConfiguration> configs = new ArrayList<GraphicsConfiguration>();

        for (int i = 0; i < gds.length; i++) {
            GraphicsConfiguration gc = gds[i].getDefaultConfiguration();
            if (rc.intersects(gc.getBounds())) {
                configs.add(gc);
            }
        }

        GraphicsConfiguration selected = null;
        if (configs.size() > 0) {
            for (Iterator<GraphicsConfiguration> it = configs.iterator(); it.hasNext();) {
                GraphicsConfiguration gcc = it.next();
                if (selected == null)
                    selected = gcc;
                else {
                    if (gcc.getBounds().contains(rc.x + 20, rc.y + 20)) {
                        selected = gcc;
                        break;
                    }
                }
            }
        } else {
            selected = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                    .getDefaultConfiguration();
        }

        int x = selected.getBounds().x;
        int y = selected.getBounds().y;
        int w = selected.getBounds().width;
        int h = selected.getBounds().height;

        return new Rectangle(x, y, w, h);
    }
}