src/share/classes/javax/swing/plaf/synth/SynthComboBoxUI.java

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   1 /*
   2  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 427      * size of the combo box. This is used in the case of the combo not having
 428      * any data.
 429      *
 430      * @return the size of an empty display area
 431      * @see #getDisplaySize
 432      */
 433     @Override
 434     protected Dimension getDefaultSize() {
 435         SynthComboBoxRenderer r = new SynthComboBoxRenderer();
 436         Dimension d = getSizeForComponent(r.getListCellRendererComponent(listBox, " ", -1, false, false));
 437         return new Dimension(d.width, d.height);
 438     }
 439 
 440     /**
 441      * From BasicComboBoxRenderer v 1.18.
 442      *
 443      * Be aware that SynthFileChooserUIImpl relies on the fact that the default
 444      * renderer installed on a Synth combo box is a JLabel. If this is changed,
 445      * then an assert will fail in SynthFileChooserUIImpl
 446      */

 447     private class SynthComboBoxRenderer extends JLabel implements ListCellRenderer<Object>, UIResource {
 448         public SynthComboBoxRenderer() {
 449             super();
 450             setText(" ");
 451         }
 452 
 453         @Override
 454         public String getName() {
 455             // SynthComboBoxRenderer should have installed Name while constructor is working.
 456             // The setName invocation in the SynthComboBoxRenderer() constructor doesn't work
 457             // because of the opaque property is installed in the constructor based on the
 458             // component name (see GTKStyle.isOpaque())
 459             String name = super.getName();
 460 
 461             return name == null ? "ComboBox.renderer" : name;
 462         }
 463 
 464         @Override
 465         public Component getListCellRendererComponent(JList<?> list, Object value,
 466                          int index, boolean isSelected, boolean cellHasFocus) {


 518     private static class SynthComboBoxEditor
 519             extends BasicComboBoxEditor.UIResource {
 520 
 521         @Override public JTextField createEditorComponent() {
 522             JTextField f = new JTextField("", 9);
 523             f.setName("ComboBox.textField");
 524             return f;
 525         }
 526     }
 527 
 528 
 529     /**
 530      * Handles all the logic for treating the combo as a button when it is
 531      * not editable, and when shouldActLikeButton() is true. This class is a
 532      * special ButtonModel, and installed on the arrowButton when appropriate.
 533      * It also is installed as a mouse listener and mouse motion listener on
 534      * the combo box. In this way, the state between the button and combo
 535      * are in sync. Whenever one is "over" both are. Whenever one is pressed,
 536      * both are.
 537      */

 538     private final class ButtonHandler extends DefaultButtonModel
 539             implements MouseListener, PopupMenuListener {
 540         /**
 541          * Indicates that the mouse is over the combo or the arrow button.
 542          * This field only has meaning if buttonWhenNotEnabled is true.
 543          */
 544         private boolean over;
 545         /**
 546          * Indicates that the combo or arrow button has been pressed. This
 547          * field only has meaning if buttonWhenNotEnabled is true.
 548          */
 549         private boolean pressed;
 550 
 551         //------------------------------------------------------------------
 552         // State Methods
 553         //------------------------------------------------------------------
 554 
 555         /**
 556          * <p>Updates the internal "pressed" state. If shouldActLikeButton()
 557          * is true, and if this method call will change the internal state,


   1 /*
   2  * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 427      * size of the combo box. This is used in the case of the combo not having
 428      * any data.
 429      *
 430      * @return the size of an empty display area
 431      * @see #getDisplaySize
 432      */
 433     @Override
 434     protected Dimension getDefaultSize() {
 435         SynthComboBoxRenderer r = new SynthComboBoxRenderer();
 436         Dimension d = getSizeForComponent(r.getListCellRendererComponent(listBox, " ", -1, false, false));
 437         return new Dimension(d.width, d.height);
 438     }
 439 
 440     /**
 441      * From BasicComboBoxRenderer v 1.18.
 442      *
 443      * Be aware that SynthFileChooserUIImpl relies on the fact that the default
 444      * renderer installed on a Synth combo box is a JLabel. If this is changed,
 445      * then an assert will fail in SynthFileChooserUIImpl
 446      */
 447     @SuppressWarnings("serial") // Superclass is not serializable across versions
 448     private class SynthComboBoxRenderer extends JLabel implements ListCellRenderer<Object>, UIResource {
 449         public SynthComboBoxRenderer() {
 450             super();
 451             setText(" ");
 452         }
 453 
 454         @Override
 455         public String getName() {
 456             // SynthComboBoxRenderer should have installed Name while constructor is working.
 457             // The setName invocation in the SynthComboBoxRenderer() constructor doesn't work
 458             // because of the opaque property is installed in the constructor based on the
 459             // component name (see GTKStyle.isOpaque())
 460             String name = super.getName();
 461 
 462             return name == null ? "ComboBox.renderer" : name;
 463         }
 464 
 465         @Override
 466         public Component getListCellRendererComponent(JList<?> list, Object value,
 467                          int index, boolean isSelected, boolean cellHasFocus) {


 519     private static class SynthComboBoxEditor
 520             extends BasicComboBoxEditor.UIResource {
 521 
 522         @Override public JTextField createEditorComponent() {
 523             JTextField f = new JTextField("", 9);
 524             f.setName("ComboBox.textField");
 525             return f;
 526         }
 527     }
 528 
 529 
 530     /**
 531      * Handles all the logic for treating the combo as a button when it is
 532      * not editable, and when shouldActLikeButton() is true. This class is a
 533      * special ButtonModel, and installed on the arrowButton when appropriate.
 534      * It also is installed as a mouse listener and mouse motion listener on
 535      * the combo box. In this way, the state between the button and combo
 536      * are in sync. Whenever one is "over" both are. Whenever one is pressed,
 537      * both are.
 538      */
 539     @SuppressWarnings("serial") // Superclass is not serializable across versions
 540     private final class ButtonHandler extends DefaultButtonModel
 541             implements MouseListener, PopupMenuListener {
 542         /**
 543          * Indicates that the mouse is over the combo or the arrow button.
 544          * This field only has meaning if buttonWhenNotEnabled is true.
 545          */
 546         private boolean over;
 547         /**
 548          * Indicates that the combo or arrow button has been pressed. This
 549          * field only has meaning if buttonWhenNotEnabled is true.
 550          */
 551         private boolean pressed;
 552 
 553         //------------------------------------------------------------------
 554         // State Methods
 555         //------------------------------------------------------------------
 556 
 557         /**
 558          * <p>Updates the internal "pressed" state. If shouldActLikeButton()
 559          * is true, and if this method call will change the internal state,