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A LookAndFeel library for swing
/*
* Copyright (c) 2002 and later by MH Software-Entwicklung. All Rights Reserved.
*
* JTattoo is multiple licensed. If your are an open source developer you can use
* it under the terms and conditions of the GNU General Public License version 2.0
* or later as published by the Free Software Foundation.
*
* see: gpl-2.0.txt
*
* If you pay for a license you will become a registered user who could use the
* software under the terms and conditions of the GNU Lesser General Public License
* version 2.0 or later with classpath exception as published by the Free Software
* Foundation.
*
* see: lgpl-2.0.txt
* see: classpath-exception.txt
*
* Registered users could also use JTattoo under the terms and conditions of the
* Apache License, Version 2.0 as published by the Apache Software Foundation.
*
* see: APACHE-LICENSE-2.0.txt
*/
package com.jtattoo.plaf;
import java.awt.*;
import java.awt.event.MouseEvent;
import javax.swing.*;
import javax.swing.event.MouseInputListener;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.BasicMenuUI;
/**
* @author Michael Hagen
*/
public class BaseMenuUI extends BasicMenuUI {
protected boolean paintRolloverBorder = true;
public static ComponentUI createUI(JComponent c) {
return new BaseMenuUI();
}
public void installUI(JComponent c) {
super.installUI(c);
c.setOpaque(false);
}
public void uninstallUI(JComponent c) {
c.setOpaque(true);
super.uninstallUI(c);
}
public void update(Graphics g, JComponent c) {
paintBackground(g, c, 0, 0, c.getWidth(), c.getHeight());
paint(g, c);
}
protected void installDefaults() {
super.installDefaults();
Boolean isRolloverEnabled = (Boolean)UIManager.get("MenuBar.rolloverEnabled");
if (isRolloverEnabled.booleanValue()) {
menuItem.setRolloverEnabled(true);
}
}
protected void paintBackground(Graphics g, JMenuItem menuItem, Color bgColor) {
if (menuItem.isOpaque()) {
int w = menuItem.getWidth();
int h = menuItem.getHeight();
paintBackground(g, menuItem, 0, 0, w, h);
}
}
protected void paintBackground(Graphics g, JComponent c, int x, int y, int w, int h) {
JMenuItem mi = (JMenuItem) c;
Color backColor = mi.getBackground();
if (backColor == null || backColor instanceof UIResource) {
backColor = AbstractLookAndFeel.getMenuBackgroundColor();
}
ButtonModel model = mi.getModel();
if (c.getParent() instanceof JMenuBar) {
if (model.isRollover() || model.isArmed() || (c instanceof JMenu && model.isSelected())) {
backColor = AbstractLookAndFeel.getMenuSelectionBackgroundColor();
if (model.isRollover()) {
backColor = ColorHelper.brighter(backColor, 10);
}
g.setColor(backColor);
g.fillRect(x, y, w, h);
if (paintRolloverBorder && model.isRollover() && !model.isSelected()) {
backColor = ColorHelper.darker(backColor, 20);
g.setColor(backColor);
g.drawRect(x, y, w - 1, h - 1);
}
g.setColor(AbstractLookAndFeel.getMenuSelectionForegroundColor());
}
} else {
if (model.isArmed() || model.isRollover() || (c instanceof JMenu && model.isSelected())) {
g.setColor(AbstractLookAndFeel.getMenuSelectionBackgroundColor());
g.fillRect(x, y, w, h);
g.setColor(AbstractLookAndFeel.getMenuSelectionForegroundColor());
} else if (!AbstractLookAndFeel.getTheme().isMenuOpaque()) {
Graphics2D g2D = (Graphics2D) g;
Composite savedComposite = g2D.getComposite();
AlphaComposite alpha = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, AbstractLookAndFeel.getTheme().getMenuAlpha());
g2D.setComposite(alpha);
g2D.setColor(backColor);
g2D.fillRect(x, y, w, h);
g2D.setComposite(savedComposite);
g2D.setColor(AbstractLookAndFeel.getMenuForegroundColor());
} else {
g.setColor(backColor);
g.fillRect(x, y, w, h);
g.setColor(AbstractLookAndFeel.getMenuForegroundColor());
}
}
}
protected void paintText(Graphics g, JMenuItem menuItem, Rectangle textRect, String text) {
ButtonModel model = menuItem.getModel();
Graphics2D g2D = (Graphics2D) g;
Object savedRenderingHint = null;
if (AbstractLookAndFeel.getTheme().isTextAntiAliasingOn()) {
savedRenderingHint = g2D.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING);
g2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, AbstractLookAndFeel.getTheme().getTextAntiAliasingHint());
}
if (menuItem.getParent() instanceof JMenuBar) {
if (model.isRollover() || model.isArmed() || (menuItem instanceof JMenu && model.isSelected())) {
g.setColor(AbstractLookAndFeel.getMenuSelectionForegroundColor());
}
} else if (model.isArmed() || model.isRollover()) {
g.setColor(AbstractLookAndFeel.getMenuSelectionForegroundColor());
} else {
Color foreColor = menuItem.getForeground();
if (foreColor instanceof UIResource) {
foreColor = AbstractLookAndFeel.getMenuForegroundColor();
}
g.setColor(foreColor);
}
super.paintText(g, menuItem, textRect, text);
if (AbstractLookAndFeel.getTheme().isTextAntiAliasingOn()) {
g2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, savedRenderingHint);
}
}
protected MouseInputListener createMouseInputListener(JComponent c) {
if (JTattooUtilities.getJavaVersion() >= 1.5) {
return new MyMouseInputHandler();
} else {
return super.createMouseInputListener(c);
}
}
//------------------------------------------------------------------------------
// inner classes
//------------------------------------------------------------------------------
protected class MyMouseInputHandler extends BasicMenuUI.MouseInputHandler {
public void mouseEntered(MouseEvent evt) {
super.mouseEntered(evt);
JMenu menu = (JMenu) evt.getSource();
if (menu.isTopLevelMenu() && menu.isRolloverEnabled()) {
menu.getModel().setRollover(true);
menuItem.repaint();
}
}
public void mouseExited(MouseEvent evt) {
super.mouseExited(evt);
JMenu menu = (JMenu) evt.getSource();
ButtonModel model = menu.getModel();
if (menu.isRolloverEnabled()) {
model.setRollover(false);
menuItem.repaint();
}
}
}
}