Here you can find the source of showModal(javax.swing.JPopupMenu popupMenu, java.awt.Component invoker, java.awt.Point pt)
public static void showModal(javax.swing.JPopupMenu popupMenu, java.awt.Component invoker, java.awt.Point pt)
//package com.java2s; /******************************************************************************* * Copyright (c) 2006, 2015, Carnegie Mellon University. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Products derived from the software may not be called "Alice", nor may * "Alice" appear in their name, without prior written permission of * Carnegie Mellon University./*w w w . j a v a 2 s . c o m*/ * * 4. All advertising materials mentioning features or use of this software must * display the following acknowledgement: "This product includes software * developed by Carnegie Mellon University" * * 5. The gallery of art assets and animations provided with this software is * contributed by Electronic Arts Inc. and may be used for personal, * non-commercial, and academic use only. Redistributions of any program * source code that utilizes The Sims 2 Assets must also retain the copyright * notice, list of conditions and the disclaimer contained in * The Alice 3.0 Art Gallery License. * * DISCLAIMER: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND. * ANY AND ALL EXPRESS, STATUTORY OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHORS, COPYRIGHT OWNERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING FROM OR OTHERWISE RELATING TO * THE USE OF OR OTHER DEALINGS WITH THE SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. *******************************************************************************/ public class Main { public static void showModal(javax.swing.JPopupMenu popupMenu, java.awt.Component invoker, java.awt.Point pt) { java.awt.Component root = javax.swing.SwingUtilities.getRoot(invoker); final javax.swing.JLayeredPane layeredPane; if (root instanceof javax.swing.JFrame) { javax.swing.JFrame window = (javax.swing.JFrame) root; layeredPane = window.getLayeredPane(); } else if (root instanceof javax.swing.JDialog) { javax.swing.JDialog window = (javax.swing.JDialog) root; layeredPane = window.getLayeredPane(); } else if (root instanceof javax.swing.JWindow) { javax.swing.JWindow window = (javax.swing.JWindow) root; layeredPane = window.getLayeredPane(); } else { layeredPane = null; } if (layeredPane != null) { class EventConsumer extends javax.swing.JComponent { private java.awt.event.MouseListener mouseAdapter = new java.awt.event.MouseListener() { @Override public void mouseEntered(java.awt.event.MouseEvent e) { } @Override public void mouseExited(java.awt.event.MouseEvent e) { } @Override public void mousePressed(java.awt.event.MouseEvent e) { } @Override public void mouseReleased(java.awt.event.MouseEvent e) { EventConsumer.this.removeFromParentJustInCaseAnExceptionWasThrownSomewhere(); } @Override public void mouseClicked(java.awt.event.MouseEvent e) { } }; private void removeFromParentJustInCaseAnExceptionWasThrownSomewhere() { java.awt.Container parent = this.getParent(); if (parent != null) { parent.remove(this); } } @Override public void addNotify() { super.addNotify(); this.setLocation(0, 0); java.awt.Component parent = this.getParent(); if (parent != null) { this.setSize(parent.getSize()); } this.addMouseListener(this.mouseAdapter); } @Override public void removeNotify() { this.removeMouseListener(this.mouseAdapter); super.removeNotify(); } } final EventConsumer eventConsumer = new EventConsumer(); popupMenu.addPopupMenuListener(new javax.swing.event.PopupMenuListener() { @Override public void popupMenuWillBecomeVisible(javax.swing.event.PopupMenuEvent e) { layeredPane.add(eventConsumer, new Integer(javax.swing.JLayeredPane.MODAL_LAYER)); } @Override public void popupMenuWillBecomeInvisible(javax.swing.event.PopupMenuEvent e) { layeredPane.remove(eventConsumer); } @Override public void popupMenuCanceled(javax.swing.event.PopupMenuEvent e) { } }); } int x; int y; if (pt != null) { x = pt.x; y = pt.y; } else { if (invoker != null) { //todo //if( invoker.getComponentOrientation().isLeftToRight() ) { x = 0; y = invoker.getHeight(); } else { x = 0; y = 0; } } popupMenu.show(invoker, x, y); } }