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/*
* Copyright (c) 2011, 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 com.apple.laf;
import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicMenuBarUI;
import sun.security.action.GetPropertyAction;
// MenuBar implementation for Mac L&F
public class AquaMenuBarUI extends BasicMenuBarUI implements ScreenMenuBarProvider {
// Utilities
public void uninstallUI(final JComponent c) {
if (fScreenMenuBar != null) {
final JFrame frame = (JFrame)(c.getTopLevelAncestor());
if (frame.getMenuBar() == fScreenMenuBar) {
frame.setMenuBar((MenuBar)null);
}
fScreenMenuBar = null;
}
super.uninstallUI(c);
}
// Create PLAF
public static ComponentUI createUI(final JComponent c) {
return new AquaMenuBarUI();
}
// [3320390] -- If the screen menu bar is in use, don't register keyboard actions that
// show the menus when F10 is pressed.
protected void installKeyboardActions() {
if (!useScreenMenuBar) {
super.installKeyboardActions();
}
}
protected void uninstallKeyboardActions() {
if (!useScreenMenuBar) {
super.uninstallKeyboardActions();
}
}
// Paint Methods
public void paint(final Graphics g, final JComponent c) {
AquaMenuPainter.instance().paintMenuBarBackground(g, c.getWidth(), c.getHeight(), c);
}
public Dimension getPreferredSize(final JComponent c) {
if (isScreenMenuBar((JMenuBar)c)) {
if (setScreenMenuBar((JFrame)(c.getTopLevelAncestor()))) {
return new Dimension(0, 0);
}
}
return null;
}
void clearScreenMenuBar(final JFrame frame) {
if (useScreenMenuBar) {
frame.setMenuBar(null);
}
}
boolean setScreenMenuBar(final JFrame frame) {
if (useScreenMenuBar) {
try {
getScreenMenuBar();
} catch(final Throwable t) {
return false;
}
frame.setMenuBar(fScreenMenuBar);
}
return true;
}
public ScreenMenuBar getScreenMenuBar() {
// Lazy init of member variables means we should use a synchronized block.
synchronized(this) {
if (fScreenMenuBar == null) fScreenMenuBar = new ScreenMenuBar(this.menuBar);
}
return fScreenMenuBar;
}
// JMenuBars are in frame unless we're using ScreenMenuBars *and* it's
// been set by JFrame.setJMenuBar
// unless the JFrame has a normal java.awt.MenuBar (it's possible!)
// Other JMenuBars appear where the programmer puts them - top of window or elsewhere
public static final boolean isScreenMenuBar(final JMenuBar c) {
final javax.swing.plaf.ComponentUI ui = c.getUI();
if (ui instanceof AquaMenuBarUI) {
if (!((AquaMenuBarUI)ui).useScreenMenuBar) return false;
final Component parent = c.getTopLevelAncestor();
if (parent instanceof JFrame) {
final MenuBar mb = ((JFrame)parent).getMenuBar();
final boolean thisIsTheJMenuBar = (((JFrame)parent).getJMenuBar() == c);
if (mb == null) return thisIsTheJMenuBar;
return (mb instanceof ScreenMenuBar && thisIsTheJMenuBar);
}
}
return false;
}
ScreenMenuBar fScreenMenuBar;
boolean useScreenMenuBar = getScreenMenuBarProperty();
private static String getPrivSysProp(final String propName) {
return java.security.AccessController.doPrivileged(new GetPropertyAction(propName));
}
static boolean getScreenMenuBarProperty() {
final String props[] = new String[]{""};
boolean useScreenMenuBar = false;
try {
props[0] = getPrivSysProp(AquaLookAndFeel.sPropertyPrefix + "useScreenMenuBar");
if (props[0] != null && props[0].equals("true")) useScreenMenuBar = true;
else {
props[0] = getPrivSysProp(AquaLookAndFeel.sOldPropertyPrefix + "useScreenMenuBar");
if (props[0] != null && props[0].equals("true")) {
System.err.println(AquaLookAndFeel.sOldPropertyPrefix + "useScreenMenuBar has been deprecated. Please switch to " + AquaLookAndFeel.sPropertyPrefix + "useScreenMenuBar");
useScreenMenuBar = true;
}
}
} catch(final Throwable t) { };
return useScreenMenuBar;
}
}
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