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	/*
	* Copyright (c) 1997, 2006, 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.sun.java.swing.plaf.motif;

	import java.awt.*;
	import javax.swing.*;
	import javax.swing.plaf.*;
	import javax.swing.border.*;
	import javax.swing.plaf.basic.*;
	import java.io.Serializable;
	import java.awt.event.*;
	import java.beans.*;

	/**
	* ComboBox motif look and feel
	* <p> * <strong>Warning:</strong>
	* Serialized objects of this class will not be compatible with
	* future Swing releases. The current serialization support is appropriate
	* for short term storage or RMI between applications running the same
	* version of Swing. A future release of Swing will provide support for
	* long term persistence.
	*
	* @author Arnaud Weber
	*/
	public class MotifComboBoxUI extends BasicComboBoxUI implements Serializable {
	Icon arrowIcon;
	static final int HORIZ_MARGIN = 3;

	public static ComponentUI createUI(JComponent c) {
	return new MotifComboBoxUI();
	}

	public void installUI(JComponent c) {
	super.installUI(c);
	arrowIcon = new MotifComboBoxArrowIcon(UIManager.getColor("controlHighlight"),
	UIManager.getColor("controlShadow"),
	UIManager.getColor("control"));

	Runnable initCode = new Runnable() {
	public void run(){
	if ( motifGetEditor() != null ) {
	motifGetEditor().setBackground( UIManager.getColor( "text" ) );
	}
	}
	};

	SwingUtilities.invokeLater( initCode );
	}

	public Dimension getMinimumSize( JComponent c ) {
	if ( !isMinimumSizeDirty ) {
	return new Dimension( cachedMinimumSize );
	}
	Dimension size;
	Insets insets = getInsets();
	size = getDisplaySize();
	size.height += insets.top + insets.bottom;
	int buttonSize = iconAreaWidth();
	size.width += insets.left + insets.right + buttonSize;

	cachedMinimumSize.setSize( size.width, size.height );
	isMinimumSizeDirty = false;

	return size;
	}

	protected ComboPopup createPopup() {
	return new MotifComboPopup( comboBox );
	}

	/**
	* Overriden to empty the MouseMotionListener.
	*/
	protected class MotifComboPopup extends BasicComboPopup {

	public MotifComboPopup( JComboBox comboBox ) {
	super( comboBox );
	}

	/**
	* Motif combo popup should not track the mouse in the list.
	*/
	public MouseMotionListener createListMouseMotionListener() {
	return new MouseMotionAdapter() {};
	}

	public KeyListener createKeyListener() {
	return super.createKeyListener();
	}

	protected class InvocationKeyHandler extends BasicComboPopup.InvocationKeyHandler {
	protected InvocationKeyHandler() {
	MotifComboPopup.this.super();
	}
	}
	}

	protected void installComponents() {
	if ( comboBox.isEditable() ) {
	addEditor();
	}

	comboBox.add( currentValuePane );
	}

	protected void uninstallComponents() {
	removeEditor();
	comboBox.removeAll();
	}

	public void paint(Graphics g, JComponent c) {
	boolean hasFocus = comboBox.hasFocus();
	Rectangle r;

	if (comboBox.isEnabled()) {
	g.setColor(comboBox.getBackground());
	} else {
	g.setColor(UIManager.getColor("ComboBox.disabledBackground"));
	}
	g.fillRect(0,0,c.getWidth(),c.getHeight());

	if ( !comboBox.isEditable() ) {
	r = rectangleForCurrentValue();
	paintCurrentValue(g,r,hasFocus);
	}
	r = rectangleForArrowIcon();
	arrowIcon.paintIcon(c,g,r.x,r.y);
	if ( !comboBox.isEditable() ) {
	Border border = comboBox.getBorder();
	Insets in;
	if ( border != null ) {
	in = border.getBorderInsets(comboBox);
	}
	else {
	in = new Insets( 0, 0, 0, 0 );
	}
	// Draw the separation
	if(MotifGraphicsUtils.isLeftToRight(comboBox)) {
	r.x -= (HORIZ_MARGIN + 2);
	}
	else {
	r.x += r.width + HORIZ_MARGIN + 1;
	}
	r.y = in.top;
	r.width = 1;
	r.height = comboBox.getBounds().height - in.bottom - in.top;
	g.setColor(UIManager.getColor("controlShadow"));
	g.fillRect(r.x,r.y,r.width,r.height);
	r.x++;
	g.setColor(UIManager.getColor("controlHighlight"));
	g.fillRect(r.x,r.y,r.width,r.height);
	}
	}

	public void paintCurrentValue(Graphics g,Rectangle bounds,boolean hasFocus) {
	ListCellRenderer renderer = comboBox.getRenderer();
	Component c;
	Dimension d;
	c = renderer.getListCellRendererComponent(listBox, comboBox.getSelectedItem(), -1, false, false);
	c.setFont(comboBox.getFont());
	if ( comboBox.isEnabled() ) {
	c.setForeground(comboBox.getForeground());
	c.setBackground(comboBox.getBackground());
	}
	else {
	c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
	c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
	}
	d = c.getPreferredSize();
	currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y,
	bounds.width,d.height);
	}

	protected Rectangle rectangleForArrowIcon() {
	Rectangle b = comboBox.getBounds();
	Border border = comboBox.getBorder();
	Insets in;
	if ( border != null ) {
	in = border.getBorderInsets(comboBox);
	}
	else {
	in = new Insets( 0, 0, 0, 0 );
	}
	b.x = in.left;
	b.y = in.top;
	b.width -= (in.left + in.right);
	b.height -= (in.top + in.bottom);

	if(MotifGraphicsUtils.isLeftToRight(comboBox)) {
	b.x = b.x + b.width - HORIZ_MARGIN - arrowIcon.getIconWidth();
	}
	else {
	b.x += HORIZ_MARGIN;
	}
	b.y = b.y + (b.height - arrowIcon.getIconHeight()) / 2;
	b.width = arrowIcon.getIconWidth();
	b.height = arrowIcon.getIconHeight();
	return b;
	}

	protected Rectangle rectangleForCurrentValue() {
	int width = comboBox.getWidth();
	int height = comboBox.getHeight();
	Insets insets = getInsets();
	if(MotifGraphicsUtils.isLeftToRight(comboBox)) {
	return new Rectangle(insets.left, insets.top,
	(width - (insets.left + insets.right)) -
	iconAreaWidth(),
	height - (insets.top + insets.bottom));
	}
	else {
	return new Rectangle(insets.left + iconAreaWidth(), insets.top,
	(width - (insets.left + insets.right)) -
	iconAreaWidth(),
	height - (insets.top + insets.bottom));
	}
	}

	public int iconAreaWidth() {
	if ( comboBox.isEditable() )
	return arrowIcon.getIconWidth() + (2 * HORIZ_MARGIN);
	else
	return arrowIcon.getIconWidth() + (3 * HORIZ_MARGIN) + 2;
	}

	public void configureEditor() {
	super.configureEditor();
	editor.setBackground( UIManager.getColor( "text" ) );
	}

	protected LayoutManager createLayoutManager() {
	return new ComboBoxLayoutManager();
	}

	private Component motifGetEditor() {
	return editor;
	}

	/**
	* This inner class is marked "public" due to a compiler bug.
	* This class should be treated as a "protected" inner class.
	* Instantiate it only within subclasses of <FooUI>.
	*/
	public class ComboBoxLayoutManager extends BasicComboBoxUI.ComboBoxLayoutManager {
	public ComboBoxLayoutManager() {
	MotifComboBoxUI.this.super();
	}
	public void layoutContainer(Container parent) {
	if ( motifGetEditor() != null ) {
	Rectangle cvb = rectangleForCurrentValue();
	cvb.x += 1;
	cvb.y += 1;
	cvb.width -= 1;
	cvb.height -= 2;
	motifGetEditor().setBounds(cvb);
	}
	}
	}

	static class MotifComboBoxArrowIcon implements Icon, Serializable {
	private Color lightShadow;
	private Color darkShadow;
	private Color fill;

	public MotifComboBoxArrowIcon(Color lightShadow, Color darkShadow, Color fill) {
	this.lightShadow = lightShadow;
	this.darkShadow = darkShadow;
	this.fill = fill;
	}


	public void paintIcon(Component c, Graphics g, int xo, int yo) {
	int w = getIconWidth();
	int h = getIconHeight();

	g.setColor(lightShadow);
	g.drawLine(xo, yo, xo+w-1, yo);
	g.drawLine(xo, yo+1, xo+w-3, yo+1);
	g.setColor(darkShadow);
	g.drawLine(xo+w-2, yo+1, xo+w-1, yo+1);

	for ( int x = xo+1, y = yo+2, dx = w-6; y+1 < yo+h; y += 2 ) {
	g.setColor(lightShadow);
	g.drawLine(x, y, x+1, y);
	g.drawLine(x, y+1, x+1, y+1);
	if ( dx > 0 ) {
	g.setColor(fill);
	g.drawLine(x+2, y, x+1+dx, y);
	g.drawLine(x+2, y+1, x+1+dx, y+1);
	}
	g.setColor(darkShadow);
	g.drawLine(x+dx+2, y, x+dx+3, y);
	g.drawLine(x+dx+2, y+1, x+dx+3, y+1);
	x += 1;
	dx -= 2;
	}

	g.setColor(darkShadow);
	g.drawLine(xo+(w/2), yo+h-1, xo+(w/2), yo+h-1);

	}

	public int getIconWidth() {
	return 11;
	}

	public int getIconHeight() {
	return 11;
	}
	}

	/**
	*{@inheritDoc}
	*
	* @since 1.6
	*/
	protected PropertyChangeListener createPropertyChangeListener() {
	return new MotifPropertyChangeListener();
	}

	/**
	* This class should be made "protected" in future releases.
	*/
	private class MotifPropertyChangeListener
	extends BasicComboBoxUI.PropertyChangeHandler {
	public void propertyChange(PropertyChangeEvent e) {
	super.propertyChange(e);
	String propertyName = e.getPropertyName();
	if (propertyName == "enabled") {
	if (comboBox.isEnabled()) {
	Component editor = motifGetEditor();
	if (editor != null) {
	editor.setBackground(UIManager.getColor("text"));
	}
	}
	}
	}
	}
	}

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