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package javax.swing.plaf.synth;

import javax.swing.*;
import javax.swing.plaf.ComboBoxUI;
import javax.swing.plaf.basic.BasicComboPopup;
import java.awt.*;


Synth's ComboPopup.
Author:Scott Violet
/** * Synth's ComboPopup. * * @author Scott Violet */
class SynthComboPopup extends BasicComboPopup { public SynthComboPopup( JComboBox combo ) { super(combo); }
Configures the list which is used to hold the combo box items in the popup. This method is called when the UI class is created.
See Also:
  • createList
/** * Configures the list which is used to hold the combo box items in the * popup. This method is called when the UI class * is created. * * @see #createList */
@Override protected void configureList() { list.setFont( comboBox.getFont() ); list.setCellRenderer( comboBox.getRenderer() ); list.setFocusable( false ); list.setSelectionMode( ListSelectionModel.SINGLE_SELECTION ); int selectedIndex = comboBox.getSelectedIndex(); if ( selectedIndex == -1 ) { list.clearSelection(); } else { list.setSelectedIndex( selectedIndex ); list.ensureIndexIsVisible( selectedIndex ); } installListListeners(); }
@inheritDoc Overridden to take into account any popup insets specified in SynthComboBoxUI
/** * @inheritDoc * * Overridden to take into account any popup insets specified in * SynthComboBoxUI */
@Override protected Rectangle computePopupBounds(int px, int py, int pw, int ph) { ComboBoxUI ui = comboBox.getUI(); if (ui instanceof SynthComboBoxUI) { SynthComboBoxUI sui = (SynthComboBoxUI) ui; if (sui.popupInsets != null) { Insets i = sui.popupInsets; return super.computePopupBounds( px + i.left, py + i.top, pw - i.left - i.right, ph - i.top - i.bottom); } } return super.computePopupBounds(px, py, pw, ph); } }