/* * Copyright (c) 2003, 2005, 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.metal;import java.awt.*;import javax.swing.*;import javax.swing.plaf.ComponentUI;import javax.swing.plaf.UIResource;import javax.swing.plaf.basic.*;/** * Metal implementation of <code>MenuBarUI</code>. This class is responsible * for providing the metal look and feel for <code>JMenuBar</code>s. * * @see javax.swing.plaf.MenuBarUI * @since 1.5 */public class MetalMenuBarUI extends BasicMenuBarUI { /** * Creates the <code>ComponentUI</code> implementation for the passed * in component. * * @param x JComponent to create the ComponentUI implementation for * @return ComponentUI implementation for <code>x</code> * @throws NullPointerException if <code>x</code> is null */ public static ComponentUI createUI(JComponent x) { if (x == null) { throw new NullPointerException("Must pass in a non-null component"); } return new MetalMenuBarUI(); } /** * Configures the specified component appropriate for the metal look and * feel. * * @param c the component where this UI delegate is being installed * @throws NullPointerException if <code>c</code> is null. */ public void installUI(JComponent c) { super.installUI(c); MetalToolBarUI.register(c); } /** * Reverses configuration which was done on the specified component during * <code>installUI</code>. * * @param c the component where this UI delegate is being installed * @throws NullPointerException if <code>c</code> is null. */ public void uninstallUI(JComponent c) { super.uninstallUI(c); MetalToolBarUI.unregister(c); } /** * If necessary paints the background of the component, then * invokes <code>paint</code>. * * @param g Graphics to paint to * @param c JComponent painting on * @throws NullPointerException if <code>g</code> or <code>c</code> is * null * @see javax.swing.plaf.ComponentUI#update * @see javax.swing.plaf.ComponentUI#paint * @since 1.5 */ public void update(Graphics g, JComponent c) { boolean isOpaque = c.isOpaque(); if (g == null) { throw new NullPointerException("Graphics must be non-null"); } if (isOpaque && (c.getBackground() instanceof UIResource) && UIManager.get("MenuBar.gradient") != null) { if (MetalToolBarUI.doesMenuBarBorderToolBar((JMenuBar)c)) { JToolBar tb = (JToolBar)MetalToolBarUI. findRegisteredComponentOfType(c, JToolBar.class); if (tb.isOpaque() &&tb.getBackground() instanceof UIResource) { MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0, c.getWidth(), c.getHeight() + tb.getHeight(), true); paint(g, c); return; } } MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0, c.getWidth(), c.getHeight(),true); paint(g, c); } else { super.update(g, c); } }}
/*
* Copyright (c) 2003, 2005, 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.metal;
import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.*;
/**
* Metal implementation of <code>MenuBarUI</code>. This class is responsible
* for providing the metal look and feel for <code>JMenuBar</code>s.
*
* @see javax.swing.plaf.MenuBarUI
* @since 1.5
*/
public class MetalMenuBarUI extends BasicMenuBarUI {
/**
* Creates the <code>ComponentUI</code> implementation for the passed
* in component.
*
* @param x JComponent to create the ComponentUI implementation for
* @return ComponentUI implementation for <code>x</code>
* @throws NullPointerException if <code>x</code> is null
*/
public static ComponentUI createUI(JComponent x) {
if (x == null) {
throw new NullPointerException("Must pass in a non-null component");
}
return new MetalMenuBarUI();
}
/**
* Configures the specified component appropriate for the metal look and
* feel.
*
* @param c the component where this UI delegate is being installed
* @throws NullPointerException if <code>c</code> is null.
*/
public void installUI(JComponent c) {
super.installUI(c);
MetalToolBarUI.register(c);
}
/**
* Reverses configuration which was done on the specified component during
* <code>installUI</code>.
*
* @param c the component where this UI delegate is being installed
* @throws NullPointerException if <code>c</code> is null.
*/
public void uninstallUI(JComponent c) {
super.uninstallUI(c);
MetalToolBarUI.unregister(c);
}
/**
* If necessary paints the background of the component, then
* invokes <code>paint</code>.
*
* @param g Graphics to paint to
* @param c JComponent painting on
* @throws NullPointerException if <code>g</code> or <code>c</code> is
* null
* @see javax.swing.plaf.ComponentUI#update
* @see javax.swing.plaf.ComponentUI#paint
* @since 1.5
*/
public void update(Graphics g, JComponent c) {
boolean isOpaque = c.isOpaque();
if (g == null) {
throw new NullPointerException("Graphics must be non-null");
}
if (isOpaque && (c.getBackground() instanceof UIResource) &&
UIManager.get("MenuBar.gradient") != null) {
if (MetalToolBarUI.doesMenuBarBorderToolBar((JMenuBar)c)) {
JToolBar tb = (JToolBar)MetalToolBarUI.
findRegisteredComponentOfType(c, JToolBar.class);
if (tb.isOpaque() &&tb.getBackground() instanceof UIResource) {
MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0,
c.getWidth(), c.getHeight() +
tb.getHeight(), true);
paint(g, c);
return;
}
}
MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0,
c.getWidth(), c.getHeight(),true);
paint(g, c);
}
else {
super.update(g, c);
}
}
}