author | rupashka |
Thu, 07 Jun 2012 21:49:52 +0400 | |
changeset 12838 | e51dd337d4dc |
parent 8976 | 84470d24137d |
child 23010 | 6dadb192ad81 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.swing; |
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import java.applet.Applet; |
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import java.awt.*; |
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import java.awt.event.WindowAdapter; |
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import java.awt.event.WindowEvent; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import static javax.swing.ClientPropertyKey.PopupFactory_FORCE_HEAVYWEIGHT_POPUP; |
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/** |
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* <code>PopupFactory</code>, as the name implies, is used to obtain |
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* instances of <code>Popup</code>s. <code>Popup</code>s are used to |
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* display a <code>Component</code> above all other <code>Component</code>s |
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* in a particular containment hierarchy. The general contract is that |
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* once you have obtained a <code>Popup</code> from a |
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* <code>PopupFactory</code>, you must invoke <code>hide</code> on the |
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* <code>Popup</code>. The typical usage is: |
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* <pre> |
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* PopupFactory factory = PopupFactory.getSharedInstance(); |
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* Popup popup = factory.getPopup(owner, contents, x, y); |
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* popup.show(); |
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* ... |
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* popup.hide(); |
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* </pre> |
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* |
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* @see Popup |
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* |
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* @since 1.4 |
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*/ |
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public class PopupFactory { |
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/** |
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* The shared instanceof <code>PopupFactory</code> is per |
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* <code>AppContext</code>. This is the key used in the |
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* <code>AppContext</code> to locate the <code>PopupFactory</code>. |
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*/ |
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private static final Object SharedInstanceKey = |
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new StringBuffer("PopupFactory.SharedInstanceKey"); |
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/** |
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* Max number of items to store in any one particular cache. |
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*/ |
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private static final int MAX_CACHE_SIZE = 5; |
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/** |
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* Key used to indicate a light weight popup should be used. |
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*/ |
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static final int LIGHT_WEIGHT_POPUP = 0; |
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/** |
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* Key used to indicate a medium weight Popup should be used. |
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*/ |
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static final int MEDIUM_WEIGHT_POPUP = 1; |
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/* |
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* Key used to indicate a heavy weight Popup should be used. |
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*/ |
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static final int HEAVY_WEIGHT_POPUP = 2; |
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/** |
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* Default type of Popup to create. |
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*/ |
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private int popupType = LIGHT_WEIGHT_POPUP; |
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/** |
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* Sets the <code>PopupFactory</code> that will be used to obtain |
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* <code>Popup</code>s. |
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* This will throw an <code>IllegalArgumentException</code> if |
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* <code>factory</code> is null. |
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* |
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* @param factory Shared PopupFactory |
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* @exception IllegalArgumentException if <code>factory</code> is null |
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* @see #getPopup |
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*/ |
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public static void setSharedInstance(PopupFactory factory) { |
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if (factory == null) { |
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throw new IllegalArgumentException("PopupFactory can not be null"); |
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} |
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SwingUtilities.appContextPut(SharedInstanceKey, factory); |
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} |
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/** |
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* Returns the shared <code>PopupFactory</code> which can be used |
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* to obtain <code>Popup</code>s. |
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* |
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* @return Shared PopupFactory |
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*/ |
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public static PopupFactory getSharedInstance() { |
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PopupFactory factory = (PopupFactory)SwingUtilities.appContextGet( |
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SharedInstanceKey); |
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if (factory == null) { |
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factory = new PopupFactory(); |
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setSharedInstance(factory); |
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} |
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return factory; |
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} |
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/** |
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* Provides a hint as to the type of <code>Popup</code> that should |
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* be created. |
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*/ |
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void setPopupType(int type) { |
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popupType = type; |
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} |
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/** |
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* Returns the preferred type of Popup to create. |
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*/ |
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int getPopupType() { |
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return popupType; |
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} |
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/** |
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* Creates a <code>Popup</code> for the Component <code>owner</code> |
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* containing the Component <code>contents</code>. <code>owner</code> |
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* is used to determine which <code>Window</code> the new |
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* <code>Popup</code> will parent the <code>Component</code> the |
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* <code>Popup</code> creates to. A null <code>owner</code> implies there |
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* is no valid parent. <code>x</code> and |
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* <code>y</code> specify the preferred initial location to place |
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* the <code>Popup</code> at. Based on screen size, or other paramaters, |
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* the <code>Popup</code> may not display at <code>x</code> and |
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* <code>y</code>. |
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* |
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* @param owner Component mouse coordinates are relative to, may be null |
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* @param contents Contents of the Popup |
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* @param x Initial x screen coordinate |
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* @param y Initial y screen coordinate |
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* @exception IllegalArgumentException if contents is null |
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* @return Popup containing Contents |
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*/ |
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public Popup getPopup(Component owner, Component contents, |
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int x, int y) throws IllegalArgumentException { |
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if (contents == null) { |
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throw new IllegalArgumentException( |
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"Popup.getPopup must be passed non-null contents"); |
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} |
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int popupType = getPopupType(owner, contents, x, y); |
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Popup popup = getPopup(owner, contents, x, y, popupType); |
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if (popup == null) { |
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// Didn't fit, force to heavy. |
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popup = getPopup(owner, contents, x, y, HEAVY_WEIGHT_POPUP); |
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} |
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return popup; |
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} |
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/** |
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* Returns the popup type to use for the specified parameters. |
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*/ |
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private int getPopupType(Component owner, Component contents, |
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int ownerX, int ownerY) { |
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int popupType = getPopupType(); |
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if (owner == null || invokerInHeavyWeightPopup(owner)) { |
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popupType = HEAVY_WEIGHT_POPUP; |
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} |
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else if (popupType == LIGHT_WEIGHT_POPUP && |
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!(contents instanceof JToolTip) && |
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!(contents instanceof JPopupMenu)) { |
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popupType = MEDIUM_WEIGHT_POPUP; |
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} |
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// Check if the parent component is an option pane. If so we need to |
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// force a heavy weight popup in order to have event dispatching work |
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// correctly. |
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Component c = owner; |
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while (c != null) { |
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if (c instanceof JComponent) { |
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if (((JComponent)c).getClientProperty( |
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PopupFactory_FORCE_HEAVYWEIGHT_POPUP) == Boolean.TRUE) { |
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popupType = HEAVY_WEIGHT_POPUP; |
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break; |
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} |
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} |
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c = c.getParent(); |
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} |
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return popupType; |
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} |
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/** |
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* Obtains the appropriate <code>Popup</code> based on |
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* <code>popupType</code>. |
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*/ |
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private Popup getPopup(Component owner, Component contents, |
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int ownerX, int ownerY, int popupType) { |
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if (GraphicsEnvironment.isHeadless()) { |
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return getHeadlessPopup(owner, contents, ownerX, ownerY); |
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} |
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switch(popupType) { |
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case LIGHT_WEIGHT_POPUP: |
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return getLightWeightPopup(owner, contents, ownerX, ownerY); |
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case MEDIUM_WEIGHT_POPUP: |
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return getMediumWeightPopup(owner, contents, ownerX, ownerY); |
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case HEAVY_WEIGHT_POPUP: |
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return getHeavyWeightPopup(owner, contents, ownerX, ownerY); |
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} |
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return null; |
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} |
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/** |
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* Creates a headless popup |
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*/ |
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private Popup getHeadlessPopup(Component owner, Component contents, |
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int ownerX, int ownerY) { |
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return HeadlessPopup.getHeadlessPopup(owner, contents, ownerX, ownerY); |
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} |
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/** |
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* Creates a light weight popup. |
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*/ |
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private Popup getLightWeightPopup(Component owner, Component contents, |
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int ownerX, int ownerY) { |
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return LightWeightPopup.getLightWeightPopup(owner, contents, ownerX, |
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ownerY); |
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} |
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/** |
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* Creates a medium weight popup. |
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*/ |
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private Popup getMediumWeightPopup(Component owner, Component contents, |
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int ownerX, int ownerY) { |
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return MediumWeightPopup.getMediumWeightPopup(owner, contents, |
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ownerX, ownerY); |
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} |
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/** |
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* Creates a heavy weight popup. |
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*/ |
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private Popup getHeavyWeightPopup(Component owner, Component contents, |
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int ownerX, int ownerY) { |
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if (GraphicsEnvironment.isHeadless()) { |
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return getMediumWeightPopup(owner, contents, ownerX, ownerY); |
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} |
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return HeavyWeightPopup.getHeavyWeightPopup(owner, contents, ownerX, |
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ownerY); |
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} |
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/** |
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* Returns true if the Component <code>i</code> inside a heavy weight |
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* <code>Popup</code>. |
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*/ |
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private boolean invokerInHeavyWeightPopup(Component i) { |
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if (i != null) { |
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Container parent; |
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for(parent = i.getParent() ; parent != null ; parent = |
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parent.getParent()) { |
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if (parent instanceof Popup.HeavyWeightWindow) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Popup implementation that uses a Window as the popup. |
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*/ |
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private static class HeavyWeightPopup extends Popup { |
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private static final Object heavyWeightPopupCacheKey = |
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new StringBuffer("PopupFactory.heavyWeightPopupCache"); |
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/** |
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* Returns either a new or recycled <code>Popup</code> containing |
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* the specified children. |
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*/ |
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static Popup getHeavyWeightPopup(Component owner, Component contents, |
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int ownerX, int ownerY) { |
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Window window = (owner != null) ? SwingUtilities. |
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getWindowAncestor(owner) : null; |
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HeavyWeightPopup popup = null; |
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307 |
if (window != null) { |
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popup = getRecycledHeavyWeightPopup(window); |
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} |
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310 |
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311 |
boolean focusPopup = false; |
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if(contents != null && contents.isFocusable()) { |
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if(contents instanceof JPopupMenu) { |
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JPopupMenu jpm = (JPopupMenu) contents; |
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315 |
Component popComps[] = jpm.getComponents(); |
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for (Component popComp : popComps) { |
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317 |
if (!(popComp instanceof MenuElement) && |
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318 |
!(popComp instanceof JSeparator)) { |
2 | 319 |
focusPopup = true; |
320 |
break; |
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321 |
} |
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322 |
} |
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323 |
} |
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324 |
} |
|
325 |
||
326 |
if (popup == null || |
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327 |
((JWindow) popup.getComponent()) |
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328 |
.getFocusableWindowState() != focusPopup) { |
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329 |
||
330 |
if(popup != null) { |
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331 |
// The recycled popup can't serve us well |
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332 |
// dispose it and create new one |
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333 |
popup._dispose(); |
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334 |
} |
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335 |
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336 |
popup = new HeavyWeightPopup(); |
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337 |
} |
|
338 |
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339 |
popup.reset(owner, contents, ownerX, ownerY); |
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340 |
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341 |
if(focusPopup) { |
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342 |
JWindow wnd = (JWindow) popup.getComponent(); |
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343 |
wnd.setFocusableWindowState(true); |
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344 |
// Set window name. We need this in BasicPopupMenuUI |
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345 |
// to identify focusable popup window. |
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346 |
wnd.setName("###focusableSwingPopup###"); |
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347 |
} |
|
348 |
||
349 |
return popup; |
|
350 |
} |
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351 |
||
352 |
/** |
|
353 |
* Returns a previously disposed heavy weight <code>Popup</code> |
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354 |
* associated with <code>window</code>. This will return null if |
|
355 |
* there is no <code>HeavyWeightPopup</code> associated with |
|
356 |
* <code>window</code>. |
|
357 |
*/ |
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358 |
private static HeavyWeightPopup getRecycledHeavyWeightPopup(Window w) { |
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359 |
synchronized (HeavyWeightPopup.class) { |
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1301
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parents:
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diff
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360 |
List<HeavyWeightPopup> cache; |
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361 |
Map<Window, List<HeavyWeightPopup>> heavyPopupCache = getHeavyWeightPopupCache(); |
2 | 362 |
|
363 |
if (heavyPopupCache.containsKey(w)) { |
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1301
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diff
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364 |
cache = heavyPopupCache.get(w); |
2 | 365 |
} else { |
366 |
return null; |
|
367 |
} |
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1301
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parents:
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|
368 |
if (cache.size() > 0) { |
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369 |
HeavyWeightPopup r = cache.get(0); |
2 | 370 |
cache.remove(0); |
371 |
return r; |
|
372 |
} |
|
373 |
return null; |
|
374 |
} |
|
375 |
} |
|
376 |
||
377 |
/** |
|
378 |
* Returns the cache to use for heavy weight popups. Maps from |
|
379 |
* <code>Window</code> to a <code>List</code> of |
|
380 |
* <code>HeavyWeightPopup</code>s. |
|
381 |
*/ |
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1301
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rupashka
parents:
715
diff
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382 |
private static Map<Window, List<HeavyWeightPopup>> getHeavyWeightPopupCache() { |
2 | 383 |
synchronized (HeavyWeightPopup.class) { |
1301
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diff
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384 |
Map<Window, List<HeavyWeightPopup>> cache = (Map<Window, List<HeavyWeightPopup>>)SwingUtilities.appContextGet( |
2 | 385 |
heavyWeightPopupCacheKey); |
386 |
||
387 |
if (cache == null) { |
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1301
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rupashka
parents:
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diff
changeset
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388 |
cache = new HashMap<Window, List<HeavyWeightPopup>>(2); |
2 | 389 |
SwingUtilities.appContextPut(heavyWeightPopupCacheKey, |
390 |
cache); |
|
391 |
} |
|
392 |
return cache; |
|
393 |
} |
|
394 |
} |
|
395 |
||
396 |
/** |
|
397 |
* Recycles the passed in <code>HeavyWeightPopup</code>. |
|
398 |
*/ |
|
399 |
private static void recycleHeavyWeightPopup(HeavyWeightPopup popup) { |
|
400 |
synchronized (HeavyWeightPopup.class) { |
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1301
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rupashka
parents:
715
diff
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401 |
List<HeavyWeightPopup> cache; |
15e81207e1f2
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diff
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|
402 |
Window window = SwingUtilities.getWindowAncestor( |
2 | 403 |
popup.getComponent()); |
1301
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diff
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|
404 |
Map<Window, List<HeavyWeightPopup>> heavyPopupCache = getHeavyWeightPopupCache(); |
2 | 405 |
|
406 |
if (window instanceof Popup.DefaultFrame || |
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715
diff
changeset
|
407 |
!window.isVisible()) { |
2 | 408 |
// If the Window isn't visible, we don't cache it as we |
409 |
// likely won't ever get a windowClosed event to clean up. |
|
410 |
// We also don't cache DefaultFrames as this indicates |
|
411 |
// there wasn't a valid Window parent, and thus we don't |
|
412 |
// know when to clean up. |
|
413 |
popup._dispose(); |
|
414 |
return; |
|
415 |
} else if (heavyPopupCache.containsKey(window)) { |
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1301
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diff
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416 |
cache = heavyPopupCache.get(window); |
2 | 417 |
} else { |
1301
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diff
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418 |
cache = new ArrayList<HeavyWeightPopup>(); |
2 | 419 |
heavyPopupCache.put(window, cache); |
420 |
// Clean up if the Window is closed |
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1301
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|
421 |
final Window w = window; |
2 | 422 |
|
423 |
w.addWindowListener(new WindowAdapter() { |
|
424 |
public void windowClosed(WindowEvent e) { |
|
1301
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|
425 |
List<HeavyWeightPopup> popups; |
2 | 426 |
|
427 |
synchronized(HeavyWeightPopup.class) { |
|
1301
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diff
changeset
|
428 |
Map<Window, List<HeavyWeightPopup>> heavyPopupCache2 = |
2 | 429 |
getHeavyWeightPopupCache(); |
430 |
||
1301
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|
431 |
popups = heavyPopupCache2.remove(w); |
2 | 432 |
} |
433 |
if (popups != null) { |
|
434 |
for (int counter = popups.size() - 1; |
|
435 |
counter >= 0; counter--) { |
|
1301
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|
436 |
popups.get(counter)._dispose(); |
2 | 437 |
} |
438 |
} |
|
439 |
} |
|
440 |
}); |
|
441 |
} |
|
442 |
||
443 |
if(cache.size() < MAX_CACHE_SIZE) { |
|
444 |
cache.add(popup); |
|
445 |
} else { |
|
446 |
popup._dispose(); |
|
447 |
} |
|
448 |
} |
|
449 |
} |
|
450 |
||
451 |
// |
|
452 |
// Popup methods |
|
453 |
// |
|
454 |
public void hide() { |
|
455 |
super.hide(); |
|
456 |
recycleHeavyWeightPopup(this); |
|
457 |
} |
|
458 |
||
459 |
/** |
|
460 |
* As we recycle the <code>Window</code>, we don't want to dispose it, |
|
461 |
* thus this method does nothing, instead use <code>_dipose</code> |
|
462 |
* which will handle the disposing. |
|
463 |
*/ |
|
464 |
void dispose() { |
|
465 |
} |
|
466 |
||
467 |
void _dispose() { |
|
468 |
super.dispose(); |
|
469 |
} |
|
470 |
} |
|
471 |
||
472 |
||
473 |
||
474 |
/** |
|
475 |
* ContainerPopup consolidates the common code used in the light/medium |
|
476 |
* weight implementations of <code>Popup</code>. |
|
477 |
*/ |
|
478 |
private static class ContainerPopup extends Popup { |
|
479 |
/** Component we are to be added to. */ |
|
480 |
Component owner; |
|
481 |
/** Desired x location. */ |
|
482 |
int x; |
|
483 |
/** Desired y location. */ |
|
484 |
int y; |
|
485 |
||
486 |
public void hide() { |
|
487 |
Component component = getComponent(); |
|
488 |
||
489 |
if (component != null) { |
|
490 |
Container parent = component.getParent(); |
|
491 |
||
492 |
if (parent != null) { |
|
493 |
Rectangle bounds = component.getBounds(); |
|
494 |
||
495 |
parent.remove(component); |
|
496 |
parent.repaint(bounds.x, bounds.y, bounds.width, |
|
497 |
bounds.height); |
|
498 |
} |
|
499 |
} |
|
500 |
owner = null; |
|
501 |
} |
|
502 |
public void pack() { |
|
503 |
Component component = getComponent(); |
|
504 |
||
505 |
if (component != null) { |
|
506 |
component.setSize(component.getPreferredSize()); |
|
507 |
} |
|
508 |
} |
|
509 |
||
510 |
void reset(Component owner, Component contents, int ownerX, |
|
511 |
int ownerY) { |
|
512 |
if ((owner instanceof JFrame) || (owner instanceof JDialog) || |
|
513 |
(owner instanceof JWindow)) { |
|
514 |
// Force the content to be added to the layered pane, otherwise |
|
515 |
// we'll get an exception when adding to the RootPaneContainer. |
|
516 |
owner = ((RootPaneContainer)owner).getLayeredPane(); |
|
517 |
} |
|
518 |
super.reset(owner, contents, ownerX, ownerY); |
|
519 |
||
520 |
x = ownerX; |
|
521 |
y = ownerY; |
|
522 |
this.owner = owner; |
|
523 |
} |
|
524 |
||
525 |
boolean overlappedByOwnedWindow() { |
|
526 |
Component component = getComponent(); |
|
527 |
if(owner != null && component != null) { |
|
528 |
Window w = SwingUtilities.getWindowAncestor(owner); |
|
529 |
if (w == null) { |
|
530 |
return false; |
|
531 |
} |
|
532 |
Window[] ownedWindows = w.getOwnedWindows(); |
|
533 |
if(ownedWindows != null) { |
|
534 |
Rectangle bnd = component.getBounds(); |
|
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|
535 |
for (Window window : ownedWindows) { |
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changeset
|
536 |
if (window.isVisible() && |
15e81207e1f2
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changeset
|
537 |
bnd.intersects(window.getBounds())) { |
2 | 538 |
|
539 |
return true; |
|
540 |
} |
|
541 |
} |
|
542 |
} |
|
543 |
} |
|
544 |
return false; |
|
545 |
} |
|
546 |
||
547 |
/** |
|
675
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diff
changeset
|
548 |
* Returns true if popup can fit the screen and the owner's top parent. |
4f26ea16c5c1
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diff
changeset
|
549 |
* It determines can popup be lightweight or mediumweight. |
2 | 550 |
*/ |
551 |
boolean fitsOnScreen() { |
|
675
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diff
changeset
|
552 |
boolean result = false; |
2 | 553 |
Component component = getComponent(); |
554 |
if (owner != null && component != null) { |
|
675
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diff
changeset
|
555 |
int popupWidth = component.getWidth(); |
4f26ea16c5c1
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changeset
|
556 |
int popupHeight = component.getHeight(); |
2496
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6740974: api/javax_swing/PopupFactory/index.html#Ctor[PopupFactory2002] fails with NPE
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diff
changeset
|
557 |
|
c0dfcd9b27f7
6740974: api/javax_swing/PopupFactory/index.html#Ctor[PopupFactory2002] fails with NPE
peterz
parents:
1301
diff
changeset
|
558 |
Container parent = (Container) SwingUtilities.getRoot(owner); |
675
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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diff
changeset
|
559 |
if (parent instanceof JFrame || |
4f26ea16c5c1
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diff
changeset
|
560 |
parent instanceof JDialog || |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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diff
changeset
|
561 |
parent instanceof JWindow) { |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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2
diff
changeset
|
562 |
|
2496
c0dfcd9b27f7
6740974: api/javax_swing/PopupFactory/index.html#Ctor[PopupFactory2002] fails with NPE
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parents:
1301
diff
changeset
|
563 |
Rectangle parentBounds = parent.getBounds(); |
675
4f26ea16c5c1
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parents:
2
diff
changeset
|
564 |
Insets i = parent.getInsets(); |
4f26ea16c5c1
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diff
changeset
|
565 |
parentBounds.x += i.left; |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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2
diff
changeset
|
566 |
parentBounds.y += i.top; |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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2
diff
changeset
|
567 |
parentBounds.width -= i.left + i.right; |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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parents:
2
diff
changeset
|
568 |
parentBounds.height -= i.top + i.bottom; |
2 | 569 |
|
675
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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parents:
2
diff
changeset
|
570 |
if (JPopupMenu.canPopupOverlapTaskBar()) { |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
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parents:
2
diff
changeset
|
571 |
GraphicsConfiguration gc = |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
572 |
parent.getGraphicsConfiguration(); |
2 | 573 |
Rectangle popupArea = getContainerPopupArea(gc); |
675
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
574 |
result = parentBounds.intersection(popupArea) |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
575 |
.contains(x, y, popupWidth, popupHeight); |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
576 |
} else { |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
577 |
result = parentBounds |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
578 |
.contains(x, y, popupWidth, popupHeight); |
2 | 579 |
} |
675
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
580 |
} else if (parent instanceof JApplet) { |
2496
c0dfcd9b27f7
6740974: api/javax_swing/PopupFactory/index.html#Ctor[PopupFactory2002] fails with NPE
peterz
parents:
1301
diff
changeset
|
581 |
Rectangle parentBounds = parent.getBounds(); |
675
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
582 |
Point p = parent.getLocationOnScreen(); |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
583 |
parentBounds.x = p.x; |
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
584 |
parentBounds.y = p.y; |
2496
c0dfcd9b27f7
6740974: api/javax_swing/PopupFactory/index.html#Ctor[PopupFactory2002] fails with NPE
peterz
parents:
1301
diff
changeset
|
585 |
result = parentBounds.contains(x, y, popupWidth, popupHeight); |
2 | 586 |
} |
587 |
} |
|
675
4f26ea16c5c1
6694823: A popup menu can be partially hidden under the task bar in applets
mlapshin
parents:
2
diff
changeset
|
588 |
return result; |
2 | 589 |
} |
590 |
||
591 |
Rectangle getContainerPopupArea(GraphicsConfiguration gc) { |
|
592 |
Rectangle screenBounds; |
|
593 |
Toolkit toolkit = Toolkit.getDefaultToolkit(); |
|
594 |
Insets insets; |
|
595 |
if(gc != null) { |
|
596 |
// If we have GraphicsConfiguration use it |
|
597 |
// to get screen bounds |
|
598 |
screenBounds = gc.getBounds(); |
|
599 |
insets = toolkit.getScreenInsets(gc); |
|
600 |
} else { |
|
601 |
// If we don't have GraphicsConfiguration use primary screen |
|
602 |
screenBounds = new Rectangle(toolkit.getScreenSize()); |
|
603 |
insets = new Insets(0, 0, 0, 0); |
|
604 |
} |
|
605 |
// Take insets into account |
|
606 |
screenBounds.x += insets.left; |
|
607 |
screenBounds.y += insets.top; |
|
608 |
screenBounds.width -= (insets.left + insets.right); |
|
609 |
screenBounds.height -= (insets.top + insets.bottom); |
|
610 |
return screenBounds; |
|
611 |
} |
|
612 |
} |
|
613 |
||
614 |
||
615 |
/** |
|
616 |
* Popup implementation that is used in headless environment. |
|
617 |
*/ |
|
618 |
private static class HeadlessPopup extends ContainerPopup { |
|
619 |
static Popup getHeadlessPopup(Component owner, Component contents, |
|
620 |
int ownerX, int ownerY) { |
|
621 |
HeadlessPopup popup = new HeadlessPopup(); |
|
622 |
popup.reset(owner, contents, ownerX, ownerY); |
|
623 |
return popup; |
|
624 |
} |
|
625 |
||
626 |
Component createComponent(Component owner) { |
|
627 |
return new Panel(new BorderLayout()); |
|
628 |
} |
|
629 |
||
630 |
public void show() { |
|
631 |
} |
|
632 |
public void hide() { |
|
633 |
} |
|
634 |
} |
|
635 |
||
636 |
||
637 |
/** |
|
638 |
* Popup implementation that uses a JPanel as the popup. |
|
639 |
*/ |
|
640 |
private static class LightWeightPopup extends ContainerPopup { |
|
641 |
private static final Object lightWeightPopupCacheKey = |
|
642 |
new StringBuffer("PopupFactory.lightPopupCache"); |
|
643 |
||
644 |
/** |
|
645 |
* Returns a light weight <code>Popup</code> implementation. If |
|
646 |
* the <code>Popup</code> needs more space that in available in |
|
647 |
* <code>owner</code>, this will return null. |
|
648 |
*/ |
|
649 |
static Popup getLightWeightPopup(Component owner, Component contents, |
|
650 |
int ownerX, int ownerY) { |
|
651 |
LightWeightPopup popup = getRecycledLightWeightPopup(); |
|
652 |
||
653 |
if (popup == null) { |
|
654 |
popup = new LightWeightPopup(); |
|
655 |
} |
|
656 |
popup.reset(owner, contents, ownerX, ownerY); |
|
657 |
if (!popup.fitsOnScreen() || |
|
658 |
popup.overlappedByOwnedWindow()) { |
|
659 |
popup.hide(); |
|
660 |
return null; |
|
661 |
} |
|
662 |
return popup; |
|
663 |
} |
|
664 |
||
665 |
/** |
|
666 |
* Returns the cache to use for heavy weight popups. |
|
667 |
*/ |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
668 |
private static List<LightWeightPopup> getLightWeightPopupCache() { |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
669 |
List<LightWeightPopup> cache = (List<LightWeightPopup>)SwingUtilities.appContextGet( |
2 | 670 |
lightWeightPopupCacheKey); |
671 |
if (cache == null) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
672 |
cache = new ArrayList<LightWeightPopup>(); |
2 | 673 |
SwingUtilities.appContextPut(lightWeightPopupCacheKey, cache); |
674 |
} |
|
675 |
return cache; |
|
676 |
} |
|
677 |
||
678 |
/** |
|
679 |
* Recycles the LightWeightPopup <code>popup</code>. |
|
680 |
*/ |
|
681 |
private static void recycleLightWeightPopup(LightWeightPopup popup) { |
|
682 |
synchronized (LightWeightPopup.class) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
683 |
List<LightWeightPopup> lightPopupCache = getLightWeightPopupCache(); |
2 | 684 |
if (lightPopupCache.size() < MAX_CACHE_SIZE) { |
685 |
lightPopupCache.add(popup); |
|
686 |
} |
|
687 |
} |
|
688 |
} |
|
689 |
||
690 |
/** |
|
691 |
* Returns a previously used <code>LightWeightPopup</code>, or null |
|
692 |
* if none of the popups have been recycled. |
|
693 |
*/ |
|
694 |
private static LightWeightPopup getRecycledLightWeightPopup() { |
|
695 |
synchronized (LightWeightPopup.class) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
696 |
List<LightWeightPopup> lightPopupCache = getLightWeightPopupCache(); |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
697 |
if (lightPopupCache.size() > 0) { |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
698 |
LightWeightPopup r = lightPopupCache.get(0); |
2 | 699 |
lightPopupCache.remove(0); |
700 |
return r; |
|
701 |
} |
|
702 |
return null; |
|
703 |
} |
|
704 |
} |
|
705 |
||
706 |
||
707 |
||
708 |
// |
|
709 |
// Popup methods |
|
710 |
// |
|
711 |
public void hide() { |
|
712 |
super.hide(); |
|
713 |
||
714 |
Container component = (Container)getComponent(); |
|
715 |
||
716 |
component.removeAll(); |
|
717 |
recycleLightWeightPopup(this); |
|
718 |
} |
|
719 |
public void show() { |
|
720 |
Container parent = null; |
|
721 |
||
722 |
if (owner != null) { |
|
723 |
parent = (owner instanceof Container? (Container)owner : owner.getParent()); |
|
724 |
} |
|
725 |
||
726 |
// Try to find a JLayeredPane and Window to add |
|
727 |
for (Container p = parent; p != null; p = p.getParent()) { |
|
728 |
if (p instanceof JRootPane) { |
|
729 |
if (p.getParent() instanceof JInternalFrame) { |
|
730 |
continue; |
|
731 |
} |
|
732 |
parent = ((JRootPane)p).getLayeredPane(); |
|
733 |
// Continue, so that if there is a higher JRootPane, we'll |
|
734 |
// pick it up. |
|
735 |
} else if(p instanceof Window) { |
|
736 |
if (parent == null) { |
|
737 |
parent = p; |
|
738 |
} |
|
739 |
break; |
|
740 |
} else if (p instanceof JApplet) { |
|
741 |
// Painting code stops at Applets, we don't want |
|
742 |
// to add to a Component above an Applet otherwise |
|
743 |
// you'll never see it painted. |
|
744 |
break; |
|
745 |
} |
|
746 |
} |
|
747 |
||
748 |
Point p = SwingUtilities.convertScreenLocationToParent(parent, x, |
|
749 |
y); |
|
750 |
Component component = getComponent(); |
|
751 |
||
752 |
component.setLocation(p.x, p.y); |
|
753 |
if (parent instanceof JLayeredPane) { |
|
1301
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rupashka
parents:
715
diff
changeset
|
754 |
parent.add(component, JLayeredPane.POPUP_LAYER, 0); |
2 | 755 |
} else { |
756 |
parent.add(component); |
|
757 |
} |
|
758 |
} |
|
759 |
||
760 |
Component createComponent(Component owner) { |
|
761 |
JComponent component = new JPanel(new BorderLayout(), true); |
|
762 |
||
763 |
component.setOpaque(true); |
|
764 |
return component; |
|
765 |
} |
|
766 |
||
767 |
// |
|
768 |
// Local methods |
|
769 |
// |
|
770 |
||
771 |
/** |
|
772 |
* Resets the <code>Popup</code> to an initial state. |
|
773 |
*/ |
|
774 |
void reset(Component owner, Component contents, int ownerX, |
|
775 |
int ownerY) { |
|
776 |
super.reset(owner, contents, ownerX, ownerY); |
|
777 |
||
778 |
JComponent component = (JComponent)getComponent(); |
|
779 |
||
780 |
component.setOpaque(contents.isOpaque()); |
|
781 |
component.setLocation(ownerX, ownerY); |
|
782 |
component.add(contents, BorderLayout.CENTER); |
|
783 |
contents.invalidate(); |
|
784 |
pack(); |
|
785 |
} |
|
786 |
} |
|
787 |
||
788 |
||
789 |
/** |
|
790 |
* Popup implementation that uses a Panel as the popup. |
|
791 |
*/ |
|
792 |
private static class MediumWeightPopup extends ContainerPopup { |
|
793 |
private static final Object mediumWeightPopupCacheKey = |
|
794 |
new StringBuffer("PopupFactory.mediumPopupCache"); |
|
795 |
||
796 |
/** Child of the panel. The contents are added to this. */ |
|
797 |
private JRootPane rootPane; |
|
798 |
||
799 |
||
800 |
/** |
|
801 |
* Returns a medium weight <code>Popup</code> implementation. If |
|
802 |
* the <code>Popup</code> needs more space that in available in |
|
803 |
* <code>owner</code>, this will return null. |
|
804 |
*/ |
|
805 |
static Popup getMediumWeightPopup(Component owner, Component contents, |
|
806 |
int ownerX, int ownerY) { |
|
807 |
MediumWeightPopup popup = getRecycledMediumWeightPopup(); |
|
808 |
||
809 |
if (popup == null) { |
|
810 |
popup = new MediumWeightPopup(); |
|
811 |
} |
|
812 |
popup.reset(owner, contents, ownerX, ownerY); |
|
813 |
if (!popup.fitsOnScreen() || |
|
814 |
popup.overlappedByOwnedWindow()) { |
|
815 |
popup.hide(); |
|
816 |
return null; |
|
817 |
} |
|
818 |
return popup; |
|
819 |
} |
|
820 |
||
821 |
/** |
|
822 |
* Returns the cache to use for medium weight popups. |
|
823 |
*/ |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
824 |
private static List<MediumWeightPopup> getMediumWeightPopupCache() { |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
825 |
List<MediumWeightPopup> cache = (List<MediumWeightPopup>)SwingUtilities.appContextGet( |
2 | 826 |
mediumWeightPopupCacheKey); |
827 |
||
828 |
if (cache == null) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
829 |
cache = new ArrayList<MediumWeightPopup>(); |
2 | 830 |
SwingUtilities.appContextPut(mediumWeightPopupCacheKey, cache); |
831 |
} |
|
832 |
return cache; |
|
833 |
} |
|
834 |
||
835 |
/** |
|
836 |
* Recycles the MediumWeightPopup <code>popup</code>. |
|
837 |
*/ |
|
838 |
private static void recycleMediumWeightPopup(MediumWeightPopup popup) { |
|
839 |
synchronized (MediumWeightPopup.class) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
840 |
List<MediumWeightPopup> mediumPopupCache = getMediumWeightPopupCache(); |
2 | 841 |
if (mediumPopupCache.size() < MAX_CACHE_SIZE) { |
842 |
mediumPopupCache.add(popup); |
|
843 |
} |
|
844 |
} |
|
845 |
} |
|
846 |
||
847 |
/** |
|
848 |
* Returns a previously used <code>MediumWeightPopup</code>, or null |
|
849 |
* if none of the popups have been recycled. |
|
850 |
*/ |
|
851 |
private static MediumWeightPopup getRecycledMediumWeightPopup() { |
|
852 |
synchronized (MediumWeightPopup.class) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
853 |
List<MediumWeightPopup> mediumPopupCache = getMediumWeightPopupCache(); |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
854 |
if (mediumPopupCache.size() > 0) { |
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
855 |
MediumWeightPopup r = mediumPopupCache.get(0); |
2 | 856 |
mediumPopupCache.remove(0); |
857 |
return r; |
|
858 |
} |
|
859 |
return null; |
|
860 |
} |
|
861 |
} |
|
862 |
||
863 |
||
864 |
// |
|
865 |
// Popup |
|
866 |
// |
|
867 |
||
868 |
public void hide() { |
|
869 |
super.hide(); |
|
870 |
rootPane.getContentPane().removeAll(); |
|
871 |
recycleMediumWeightPopup(this); |
|
872 |
} |
|
873 |
public void show() { |
|
874 |
Component component = getComponent(); |
|
875 |
Container parent = null; |
|
876 |
||
877 |
if (owner != null) { |
|
878 |
parent = owner.getParent(); |
|
879 |
} |
|
880 |
/* |
|
881 |
Find the top level window, |
|
882 |
if it has a layered pane, |
|
883 |
add to that, otherwise |
|
884 |
add to the window. */ |
|
885 |
while (!(parent instanceof Window || parent instanceof Applet) && |
|
886 |
(parent!=null)) { |
|
887 |
parent = parent.getParent(); |
|
888 |
} |
|
889 |
// Set the visibility to false before adding to workaround a |
|
890 |
// bug in Solaris in which the Popup gets added at the wrong |
|
891 |
// location, which will result in a mouseExit, which will then |
|
892 |
// result in the ToolTip being removed. |
|
893 |
if (parent instanceof RootPaneContainer) { |
|
894 |
parent = ((RootPaneContainer)parent).getLayeredPane(); |
|
895 |
Point p = SwingUtilities.convertScreenLocationToParent(parent, |
|
896 |
x, y); |
|
897 |
component.setVisible(false); |
|
898 |
component.setLocation(p.x, p.y); |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
715
diff
changeset
|
899 |
parent.add(component, JLayeredPane.POPUP_LAYER, |
2 | 900 |
0); |
901 |
} else { |
|
902 |
Point p = SwingUtilities.convertScreenLocationToParent(parent, |
|
903 |
x, y); |
|
904 |
||
905 |
component.setLocation(p.x, p.y); |
|
906 |
component.setVisible(false); |
|
907 |
parent.add(component); |
|
908 |
} |
|
909 |
component.setVisible(true); |
|
910 |
} |
|
911 |
||
912 |
Component createComponent(Component owner) { |
|
913 |
Panel component = new MediumWeightComponent(); |
|
914 |
||
915 |
rootPane = new JRootPane(); |
|
916 |
// NOTE: this uses setOpaque vs LookAndFeel.installProperty as |
|
917 |
// there is NO reason for the RootPane not to be opaque. For |
|
918 |
// painting to work the contentPane must be opaque, therefor the |
|
919 |
// RootPane can also be opaque. |
|
920 |
rootPane.setOpaque(true); |
|
921 |
component.add(rootPane, BorderLayout.CENTER); |
|
922 |
return component; |
|
923 |
} |
|
924 |
||
925 |
/** |
|
926 |
* Resets the <code>Popup</code> to an initial state. |
|
927 |
*/ |
|
928 |
void reset(Component owner, Component contents, int ownerX, |
|
929 |
int ownerY) { |
|
930 |
super.reset(owner, contents, ownerX, ownerY); |
|
931 |
||
932 |
Component component = getComponent(); |
|
933 |
||
934 |
component.setLocation(ownerX, ownerY); |
|
935 |
rootPane.getContentPane().add(contents, BorderLayout.CENTER); |
|
936 |
contents.invalidate(); |
|
937 |
component.validate(); |
|
938 |
pack(); |
|
939 |
} |
|
940 |
||
941 |
||
942 |
// This implements SwingHeavyWeight so that repaints on it |
|
943 |
// are processed by the RepaintManager and SwingPaintEventDispatcher. |
|
944 |
private static class MediumWeightComponent extends Panel implements |
|
945 |
SwingHeavyWeight { |
|
946 |
MediumWeightComponent() { |
|
947 |
super(new BorderLayout()); |
|
948 |
} |
|
949 |
} |
|
950 |
} |
|
951 |
} |