--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicMenuBarUI.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,284 @@
+/*
+ * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.swing.plaf.basic;
+
+import sun.swing.DefaultLookup;
+import sun.swing.UIAction;
+import javax.swing.*;
+import javax.swing.event.*;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Insets;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.event.*;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+
+import javax.swing.border.*;
+import javax.swing.plaf.*;
+
+
+/**
+ * A default L&F implementation of MenuBarUI. This implementation
+ * is a "combined" view/controller.
+ *
+ * @author Georges Saab
+ * @author David Karlton
+ * @author Arnaud Weber
+ */
+public class BasicMenuBarUI extends MenuBarUI {
+
+ /**
+ * The instance of {@code JMenuBar}.
+ */
+ protected JMenuBar menuBar = null;
+
+ /**
+ * The instance of {@code ContainerListener}.
+ */
+ protected ContainerListener containerListener;
+
+ /**
+ * The instance of {@code ChangeListener}.
+ */
+ protected ChangeListener changeListener;
+ private Handler handler;
+
+ /**
+ * Returns a new instance of {@code BasicMenuBarUI}.
+ *
+ * @param x a component
+ * @return a new instance of {@code BasicMenuBarUI}
+ */
+ public static ComponentUI createUI(JComponent x) {
+ return new BasicMenuBarUI();
+ }
+
+ static void loadActionMap(LazyActionMap map) {
+ map.put(new Actions(Actions.TAKE_FOCUS));
+ }
+
+ public void installUI(JComponent c) {
+ menuBar = (JMenuBar) c;
+
+ installDefaults();
+ installListeners();
+ installKeyboardActions();
+
+ }
+
+ /**
+ * Installs default properties.
+ */
+ protected void installDefaults() {
+ if (menuBar.getLayout() == null ||
+ menuBar.getLayout() instanceof UIResource) {
+ menuBar.setLayout(new DefaultMenuLayout(menuBar,BoxLayout.LINE_AXIS));
+ }
+
+ LookAndFeel.installProperty(menuBar, "opaque", Boolean.TRUE);
+ LookAndFeel.installBorder(menuBar,"MenuBar.border");
+ LookAndFeel.installColorsAndFont(menuBar,
+ "MenuBar.background",
+ "MenuBar.foreground",
+ "MenuBar.font");
+ }
+
+ /**
+ * Registers listeners.
+ */
+ protected void installListeners() {
+ containerListener = createContainerListener();
+ changeListener = createChangeListener();
+
+ for (int i = 0; i < menuBar.getMenuCount(); i++) {
+ JMenu menu = menuBar.getMenu(i);
+ if (menu!=null)
+ menu.getModel().addChangeListener(changeListener);
+ }
+ menuBar.addContainerListener(containerListener);
+ }
+
+ /**
+ * Registers keyboard actions.
+ */
+ protected void installKeyboardActions() {
+ InputMap inputMap = getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
+
+ SwingUtilities.replaceUIInputMap(menuBar,
+ JComponent.WHEN_IN_FOCUSED_WINDOW, inputMap);
+
+ LazyActionMap.installLazyActionMap(menuBar, BasicMenuBarUI.class,
+ "MenuBar.actionMap");
+ }
+
+ InputMap getInputMap(int condition) {
+ if (condition == JComponent.WHEN_IN_FOCUSED_WINDOW) {
+ Object[] bindings = (Object[])DefaultLookup.get
+ (menuBar, this, "MenuBar.windowBindings");
+ if (bindings != null) {
+ return LookAndFeel.makeComponentInputMap(menuBar, bindings);
+ }
+ }
+ return null;
+ }
+
+ public void uninstallUI(JComponent c) {
+ uninstallDefaults();
+ uninstallListeners();
+ uninstallKeyboardActions();
+
+ menuBar = null;
+ }
+
+ /**
+ * Uninstalls default properties.
+ */
+ protected void uninstallDefaults() {
+ if (menuBar!=null) {
+ LookAndFeel.uninstallBorder(menuBar);
+ }
+ }
+
+ /**
+ * Unregisters listeners.
+ */
+ protected void uninstallListeners() {
+ menuBar.removeContainerListener(containerListener);
+
+ for (int i = 0; i < menuBar.getMenuCount(); i++) {
+ JMenu menu = menuBar.getMenu(i);
+ if (menu !=null)
+ menu.getModel().removeChangeListener(changeListener);
+ }
+
+ containerListener = null;
+ changeListener = null;
+ handler = null;
+ }
+
+ /**
+ * Unregisters keyboard actions.
+ */
+ protected void uninstallKeyboardActions() {
+ SwingUtilities.replaceUIInputMap(menuBar, JComponent.
+ WHEN_IN_FOCUSED_WINDOW, null);
+ SwingUtilities.replaceUIActionMap(menuBar, null);
+ }
+
+ /**
+ * Returns an instance of {@code ContainerListener}.
+ *
+ * @return an instance of {@code ContainerListener}
+ */
+ protected ContainerListener createContainerListener() {
+ return getHandler();
+ }
+
+ /**
+ * Returns an instance of {@code ChangeListener}.
+ *
+ * @return an instance of {@code ChangeListener}
+ */
+ protected ChangeListener createChangeListener() {
+ return getHandler();
+ }
+
+ private Handler getHandler() {
+ if (handler == null) {
+ handler = new Handler();
+ }
+ return handler;
+ }
+
+
+ public Dimension getMinimumSize(JComponent c) {
+ return null;
+ }
+
+ public Dimension getMaximumSize(JComponent c) {
+ return null;
+ }
+
+ private class Handler implements ChangeListener, ContainerListener {
+ //
+ // ChangeListener
+ //
+ public void stateChanged(ChangeEvent e) {
+ int i,c;
+ for(i=0,c = menuBar.getMenuCount() ; i < c ; i++) {
+ JMenu menu = menuBar.getMenu(i);
+ if(menu !=null && menu.isSelected()) {
+ menuBar.getSelectionModel().setSelectedIndex(i);
+ break;
+ }
+ }
+ }
+
+ //
+ // ContainerListener
+ //
+ public void componentAdded(ContainerEvent e) {
+ Component c = e.getChild();
+ if (c instanceof JMenu)
+ ((JMenu)c).getModel().addChangeListener(changeListener);
+ }
+ public void componentRemoved(ContainerEvent e) {
+ Component c = e.getChild();
+ if (c instanceof JMenu)
+ ((JMenu)c).getModel().removeChangeListener(changeListener);
+ }
+ }
+
+
+ private static class Actions extends UIAction {
+ private static final String TAKE_FOCUS = "takeFocus";
+
+ Actions(String key) {
+ super(key);
+ }
+
+ public void actionPerformed(ActionEvent e) {
+ // TAKE_FOCUS
+ JMenuBar menuBar = (JMenuBar)e.getSource();
+ MenuSelectionManager defaultManager = MenuSelectionManager.defaultManager();
+ MenuElement me[];
+ MenuElement subElements[];
+ JMenu menu = menuBar.getMenu(0);
+ if (menu!=null) {
+ me = new MenuElement[3];
+ me[0] = (MenuElement) menuBar;
+ me[1] = (MenuElement) menu;
+ me[2] = (MenuElement) menu.getPopupMenu();
+ defaultManager.setSelectedPath(me);
+ }
+ }
+ }
+}