ojluni/src/main/java/com/sun/java/swing/plaf/motif/MotifComboBoxUI.java - platform/libcore - Git at Google

 /*
  * 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 &quot;public&quot; due to a compiler bug.
      * This class should be treated as a &quot;protected&quot; 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 &quot;protected&quot; 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"));
                     }
                 }
             }
         }
     }
 }
	/*
	* 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"));
	}
	}
	}
	}
	}
	}