362 lines
12 KiB
Java
362 lines
12 KiB
Java
/*
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* Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.java.swing.plaf.motif;
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import java.awt.*;
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import javax.swing.*;
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import javax.swing.plaf.*;
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import javax.swing.border.*;
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import javax.swing.plaf.basic.*;
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import java.io.Serializable;
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import java.awt.event.*;
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import java.beans.*;
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/**
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* ComboBox motif look and feel
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* <p> * <strong>Warning:</strong>
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* Serialized objects of this class will not be compatible with
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* future Swing releases. The current serialization support is appropriate
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* for short term storage or RMI between applications running the same
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* version of Swing. A future release of Swing will provide support for
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* long term persistence.
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*
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* @author Arnaud Weber
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*/
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public class MotifComboBoxUI extends BasicComboBoxUI implements Serializable {
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Icon arrowIcon;
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static final int HORIZ_MARGIN = 3;
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public static ComponentUI createUI(JComponent c) {
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return new MotifComboBoxUI();
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}
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public void installUI(JComponent c) {
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super.installUI(c);
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arrowIcon = new MotifComboBoxArrowIcon(UIManager.getColor("controlHighlight"),
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UIManager.getColor("controlShadow"),
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UIManager.getColor("control"));
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Runnable initCode = new Runnable() {
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public void run(){
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if ( motifGetEditor() != null ) {
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motifGetEditor().setBackground( UIManager.getColor( "text" ) );
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}
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}
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};
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SwingUtilities.invokeLater( initCode );
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}
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public Dimension getMinimumSize( JComponent c ) {
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if ( !isMinimumSizeDirty ) {
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return new Dimension( cachedMinimumSize );
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}
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Dimension size;
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Insets insets = getInsets();
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size = getDisplaySize();
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size.height += insets.top + insets.bottom;
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int buttonSize = iconAreaWidth();
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size.width += insets.left + insets.right + buttonSize;
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cachedMinimumSize.setSize( size.width, size.height );
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isMinimumSizeDirty = false;
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return size;
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}
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protected ComboPopup createPopup() {
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return new MotifComboPopup( comboBox );
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}
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/**
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* Overriden to empty the MouseMotionListener.
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*/
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protected class MotifComboPopup extends BasicComboPopup {
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public MotifComboPopup( JComboBox comboBox ) {
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super( comboBox );
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}
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/**
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* Motif combo popup should not track the mouse in the list.
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*/
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public MouseMotionListener createListMouseMotionListener() {
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return new MouseMotionAdapter() {};
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}
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public KeyListener createKeyListener() {
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return super.createKeyListener();
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}
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protected class InvocationKeyHandler extends BasicComboPopup.InvocationKeyHandler {
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protected InvocationKeyHandler() {
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MotifComboPopup.this.super();
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}
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}
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}
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protected void installComponents() {
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if ( comboBox.isEditable() ) {
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addEditor();
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}
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comboBox.add( currentValuePane );
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}
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protected void uninstallComponents() {
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removeEditor();
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comboBox.removeAll();
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}
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public void paint(Graphics g, JComponent c) {
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boolean hasFocus = comboBox.hasFocus();
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Rectangle r;
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if (comboBox.isEnabled()) {
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g.setColor(comboBox.getBackground());
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} else {
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g.setColor(UIManager.getColor("ComboBox.disabledBackground"));
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}
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g.fillRect(0,0,c.getWidth(),c.getHeight());
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if ( !comboBox.isEditable() ) {
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r = rectangleForCurrentValue();
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paintCurrentValue(g,r,hasFocus);
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}
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r = rectangleForArrowIcon();
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arrowIcon.paintIcon(c,g,r.x,r.y);
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if ( !comboBox.isEditable() ) {
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Border border = comboBox.getBorder();
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Insets in;
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if ( border != null ) {
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in = border.getBorderInsets(comboBox);
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}
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else {
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in = new Insets( 0, 0, 0, 0 );
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}
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// Draw the separation
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if(MotifGraphicsUtils.isLeftToRight(comboBox)) {
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r.x -= (HORIZ_MARGIN + 2);
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}
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else {
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r.x += r.width + HORIZ_MARGIN + 1;
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}
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r.y = in.top;
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r.width = 1;
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r.height = comboBox.getBounds().height - in.bottom - in.top;
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g.setColor(UIManager.getColor("controlShadow"));
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g.fillRect(r.x,r.y,r.width,r.height);
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r.x++;
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g.setColor(UIManager.getColor("controlHighlight"));
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g.fillRect(r.x,r.y,r.width,r.height);
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}
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}
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public void paintCurrentValue(Graphics g,Rectangle bounds,boolean hasFocus) {
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ListCellRenderer renderer = comboBox.getRenderer();
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Component c;
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Dimension d;
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c = renderer.getListCellRendererComponent(listBox, comboBox.getSelectedItem(), -1, false, false);
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c.setFont(comboBox.getFont());
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if ( comboBox.isEnabled() ) {
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c.setForeground(comboBox.getForeground());
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c.setBackground(comboBox.getBackground());
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}
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else {
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c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
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c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
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}
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d = c.getPreferredSize();
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currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y,
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bounds.width,d.height);
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}
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protected Rectangle rectangleForArrowIcon() {
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Rectangle b = comboBox.getBounds();
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Border border = comboBox.getBorder();
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Insets in;
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if ( border != null ) {
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in = border.getBorderInsets(comboBox);
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}
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else {
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in = new Insets( 0, 0, 0, 0 );
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}
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b.x = in.left;
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b.y = in.top;
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b.width -= (in.left + in.right);
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b.height -= (in.top + in.bottom);
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if(MotifGraphicsUtils.isLeftToRight(comboBox)) {
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b.x = b.x + b.width - HORIZ_MARGIN - arrowIcon.getIconWidth();
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}
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else {
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b.x += HORIZ_MARGIN;
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}
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b.y = b.y + (b.height - arrowIcon.getIconHeight()) / 2;
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b.width = arrowIcon.getIconWidth();
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b.height = arrowIcon.getIconHeight();
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return b;
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}
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protected Rectangle rectangleForCurrentValue() {
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int width = comboBox.getWidth();
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int height = comboBox.getHeight();
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Insets insets = getInsets();
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if(MotifGraphicsUtils.isLeftToRight(comboBox)) {
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return new Rectangle(insets.left, insets.top,
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(width - (insets.left + insets.right)) -
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iconAreaWidth(),
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height - (insets.top + insets.bottom));
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}
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else {
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return new Rectangle(insets.left + iconAreaWidth(), insets.top,
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(width - (insets.left + insets.right)) -
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iconAreaWidth(),
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height - (insets.top + insets.bottom));
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}
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}
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public int iconAreaWidth() {
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if ( comboBox.isEditable() )
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return arrowIcon.getIconWidth() + (2 * HORIZ_MARGIN);
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else
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return arrowIcon.getIconWidth() + (3 * HORIZ_MARGIN) + 2;
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}
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public void configureEditor() {
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super.configureEditor();
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editor.setBackground( UIManager.getColor( "text" ) );
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}
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protected LayoutManager createLayoutManager() {
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return new ComboBoxLayoutManager();
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}
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private Component motifGetEditor() {
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return editor;
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}
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/**
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* This inner class is marked "public" due to a compiler bug.
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* This class should be treated as a "protected" inner class.
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* Instantiate it only within subclasses of <FooUI>.
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*/
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public class ComboBoxLayoutManager extends BasicComboBoxUI.ComboBoxLayoutManager {
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public ComboBoxLayoutManager() {
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MotifComboBoxUI.this.super();
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}
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public void layoutContainer(Container parent) {
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if ( motifGetEditor() != null ) {
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Rectangle cvb = rectangleForCurrentValue();
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cvb.x += 1;
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cvb.y += 1;
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cvb.width -= 1;
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cvb.height -= 2;
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motifGetEditor().setBounds(cvb);
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}
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}
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}
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static class MotifComboBoxArrowIcon implements Icon, Serializable {
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private Color lightShadow;
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private Color darkShadow;
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private Color fill;
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public MotifComboBoxArrowIcon(Color lightShadow, Color darkShadow, Color fill) {
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this.lightShadow = lightShadow;
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this.darkShadow = darkShadow;
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this.fill = fill;
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}
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public void paintIcon(Component c, Graphics g, int xo, int yo) {
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int w = getIconWidth();
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int h = getIconHeight();
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g.setColor(lightShadow);
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g.drawLine(xo, yo, xo+w-1, yo);
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g.drawLine(xo, yo+1, xo+w-3, yo+1);
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g.setColor(darkShadow);
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g.drawLine(xo+w-2, yo+1, xo+w-1, yo+1);
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for ( int x = xo+1, y = yo+2, dx = w-6; y+1 < yo+h; y += 2 ) {
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g.setColor(lightShadow);
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g.drawLine(x, y, x+1, y);
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g.drawLine(x, y+1, x+1, y+1);
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if ( dx > 0 ) {
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g.setColor(fill);
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g.drawLine(x+2, y, x+1+dx, y);
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g.drawLine(x+2, y+1, x+1+dx, y+1);
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}
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g.setColor(darkShadow);
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g.drawLine(x+dx+2, y, x+dx+3, y);
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g.drawLine(x+dx+2, y+1, x+dx+3, y+1);
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x += 1;
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dx -= 2;
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}
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g.setColor(darkShadow);
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g.drawLine(xo+(w/2), yo+h-1, xo+(w/2), yo+h-1);
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}
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public int getIconWidth() {
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return 11;
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}
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public int getIconHeight() {
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return 11;
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}
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}
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/**
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*{@inheritDoc}
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*
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* @since 1.6
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*/
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protected PropertyChangeListener createPropertyChangeListener() {
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return new MotifPropertyChangeListener();
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}
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/**
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* This class should be made "protected" in future releases.
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*/
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private class MotifPropertyChangeListener
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extends BasicComboBoxUI.PropertyChangeHandler {
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public void propertyChange(PropertyChangeEvent e) {
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super.propertyChange(e);
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String propertyName = e.getPropertyName();
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if (propertyName == "enabled") {
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if (comboBox.isEnabled()) {
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Component editor = motifGetEditor();
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if (editor != null) {
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editor.setBackground(UIManager.getColor("text"));
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}
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}
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}
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}
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}
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}
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