OpenJDK 1.22 · javax.swing.plaf.synth.SynthComboBoxUI

Modifier and Type	Class and Description
private class	SynthComboBoxUI.ButtonHandler Handles all the logic for treating the combo as a button when it is not editable, and when shouldActLikeButton() is true.
private static class	SynthComboBoxUI.DlcrEnabledHandler Handler for updating combobox enabled status when renderer enabled status changes
private static class	SynthComboBoxUI.EditorFocusHandler Handler for repainting combo when editor component gains/looses focus
private static class	SynthComboBoxUI.SynthComboBoxEditor
private class	SynthComboBoxUI.SynthComboBoxRenderer From BasicComboBoxRenderer v 1.18.

Field Summary

Modifier and Type	Field and Description
private SynthComboBoxUI.ButtonHandler	buttonHandler When buttonWhenNotEditable is true, this field is used to help make the combo box appear and function as a button when the combo box is not editable.
private boolean	buttonWhenNotEditable This flag may be set via UIDefaults.
private SynthComboBoxUI.DlcrEnabledHandler	dlcrEnabledHandler
private SynthComboBoxUI.EditorFocusHandler	editorFocusHandler Handler for repainting combo when editor component gains/looses focus
private boolean	forceOpaque If true, then the cell renderer will be forced to be non-opaque when used for rendering the selected item in the combo box (not in the list), and forced to opaque after rendering the selected value.
pack-priv Insets	popupInsets Used to adjust the location and size of the popup.
private boolean	pressedWhenPopupVisible A flag to indicate that the combo box and combo box button should remain in the PRESSED state while the combo popup is visible.
private SynthStyle	style
private boolean	useListColors

Access	Constructor and Description
public	SynthComboBoxUI() Constructs a `SynthComboBoxUI`.

Method Summary

Modifier and Type	Method and Description
protected JButton	createArrowButton() Overrides javax.swing.plaf.basic.BasicComboBoxUI.createArrowButton. Creates a button which will be used as the control to show or hide the popup portion of the combo box.
protected ComboBoxEditor	createEditor() Overrides javax.swing.plaf.basic.BasicComboBoxUI.createEditor. Creates the default editor that will be used in editable combo boxes.
protected ComboPopup	createPopup() Overrides javax.swing.plaf.basic.BasicComboBoxUI.createPopup. Creates the popup portion of the combo box.
protected ListCellRenderer<Object>	createRenderer() Overrides javax.swing.plaf.basic.BasicComboBoxUI.createRenderer. Creates the default renderer that will be used in a non-editiable combo box.
public static ComponentUI	Returns: the UI object createUI(JComponent component to create UI object for c) Hides javax.swing.plaf.basic.BasicComboBoxUI.createUI. Creates a new UI object for the given component.
private int	getComponentState(JComponent c)
public SynthContext	getContext(JComponent Component requesting SynthContext. c) Implements javax.swing.plaf.synth.SynthUI.getContext. Returns the Context for the specified component.
private SynthContext	getContext(JComponent c, int state)
protected Dimension	Returns: the size of an empty display area getDefaultSize() Overrides javax.swing.plaf.basic.BasicComboBoxUI.getDefaultSize. Returns the default size of an empty display area of the combo box using the current renderer and font.
public Dimension	getMinimumSize(JComponent the component whose minimum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components c) Overrides javax.swing.plaf.basic.BasicComboBoxUI.getMinimumSize. The minimum size is the size of the display area plus insets plus the button.
protected void	installDefaults() Overrides javax.swing.plaf.basic.BasicComboBoxUI.installDefaults. Installs the default colors, default font, default renderer, and default editor into the JComboBox.
protected void	installListeners() Overrides javax.swing.plaf.basic.BasicComboBoxUI.installListeners. Creates and installs listeners for the combo box and its model.
public void	installUI(JComponent the component where this UI delegate is being installed c) Overrides javax.swing.plaf.basic.BasicComboBoxUI.installUI. Configures the specified component appropriately for the look and feel.
public void	paint(Graphics the `Graphics` object used for painting g, JComponent the component being painted c) Overrides javax.swing.plaf.basic.BasicComboBoxUI.paint. Paints the specified component according to the Look and Feel.
protected void	paint(SynthContext context for the component being painted context, Graphics the `Graphics` object used for painting g) Paints the specified component.
public void	paintBorder(SynthContext a component context context, Graphics `Graphics` to paint on g, int the X coordinate x, int the Y coordinate y, int width of the border w, int height of the border h) Implements javax.swing.plaf.synth.SynthUI.paintBorder. Paints the border.
public void	paintCurrentValue(Graphics an instance of `Graphics` g, Rectangle a bounding rectangle to render to bounds, boolean is focused hasFocus) Overrides javax.swing.plaf.basic.BasicComboBoxUI.paintCurrentValue. Paints the currently selected item.
public void	propertyChange(PropertyChangeEvent A PropertyChangeEvent object describing the event source and the property that has changed. e) Implements java.beans.PropertyChangeListener.propertyChange. This method gets called when a bound property is changed.
private boolean	Returns: true if this combo box should act as one big button. Typically only happens when buttonWhenNotEditable is true, and comboBox.isEditable is false. shouldActLikeButton()
protected void	uninstallDefaults() Overrides javax.swing.plaf.basic.BasicComboBoxUI.uninstallDefaults. Uninstalls the default colors, default font, default renderer, and default editor from the combo box.
protected void	uninstallListeners() Overrides javax.swing.plaf.basic.BasicComboBoxUI.uninstallListeners. Removes the installed listeners from the combo box and its model.
public void	uninstallUI(JComponent the component from which this UI delegate is being removed; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components c) Overrides javax.swing.plaf.basic.BasicComboBoxUI.uninstallUI. Reverses configuration which was done on the specified component during `installUI`.
public void	update(Graphics the `Graphics` object used for painting g, JComponent the component being painted c) Overrides javax.swing.plaf.ComponentUI.update. Notifies this UI delegate to repaint the specified component.
private void	updateStyle(JComboBox<?> comboBox)

public Class SynthComboBoxUI

Nested and Inner Type Summary

Field Summary

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Method Summary