Java JPopupMenu positionPopup(Component component, JPopupMenu jpm, int xCoord, int yCoord)

Description

position Popup

License

Open Source License

Declaration

public static void positionPopup(Component component, JPopupMenu jpm, int xCoord, int yCoord) 

Method Source Code

//package com.java2s;
/**//from   w ww  .  j ava  2  s . com
 * Title: tn5250J
 * Copyright:   Copyright (c) 2001,202,2003
 * Company:
 * @author  Kenneth J. Pouncey
 * @version 0.4
 *
 * Description:
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  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.Dimension;

import java.awt.Point;
import java.awt.Toolkit;

import javax.swing.JPopupMenu;
import javax.swing.SwingUtilities;

public class Main {
    public static void positionPopup(Component component, JPopupMenu jpm, int xCoord, int yCoord) {

        Dimension popupSize = jpm.getSize();
        if (popupSize.width == 0)
            popupSize = jpm.getPreferredSize();
        Point point = new Point(xCoord + popupSize.width, yCoord + popupSize.height);
        SwingUtilities.convertPointToScreen(point, component);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        int x = 0;
        int y = 0;
        if (point.y > screenSize.height - 25)
            y = yCoord - popupSize.height;
        if (point.x > screenSize.width)
            x = xCoord - popupSize.width;
        jpm.show(component, x != 0 ? x : xCoord, y != 0 ? y : yCoord);
    }
}

Related

1. installPopupMenuColorAndFonts(final JComponent contentPane)
2. isPopupMenuSeparator(Component component)
3. makePopupMenu(JPopupMenu menu, List menuItems)
4. maybeShowPopup(MouseEvent e, JPopupMenu menu, JComponent parent)
5. optimizeSeparators(JPopupMenu menu)
6. positionPopupMenu(final JPopupMenu popupMenu, final MouseEvent event, final Rectangle rectangle, final int dividerlocation)
7. refreshPopup(JPopupMenu popup)
8. removeConsecutiveSeparators(JPopupMenu popupMenu)
9. removeExtraSeparators(JPopupMenu popup)