PropertyChangeListener
, EventListener
, SynthConstants
, SynthUI
public class SynthComboBoxUI extends BasicComboBoxUI implements PropertyChangeListener, SynthUI
JComboBox
.BasicComboBoxUI.ComboBoxLayoutManager, BasicComboBoxUI.FocusHandler, BasicComboBoxUI.ItemHandler, BasicComboBoxUI.KeyHandler, BasicComboBoxUI.ListDataHandler, BasicComboBoxUI.PropertyChangeHandler
arrowButton, cachedMinimumSize, comboBox, currentValuePane, editor, focusListener, hasFocus, isMinimumSizeDirty, itemListener, keyListener, listBox, listDataListener, padding, popup, popupKeyListener, popupMouseListener, popupMouseMotionListener, propertyChangeListener, squareButton
DEFAULT, DISABLED, ENABLED, FOCUSED, MOUSE_OVER, PRESSED, SELECTED
Constructor | Description |
---|---|
SynthComboBoxUI() |
Constructs a SynthComboBoxUI . |
Modifier and Type | Method | Description |
---|---|---|
static ComponentUI |
createUI |
Creates a new UI object for the given component. |
SynthContext |
getContext |
Returns the Context for the specified component. |
protected Dimension |
getDefaultSize() |
Returns the default size of an empty display area of the combo box using the current renderer and font. |
Dimension |
getMinimumSize |
The minimum size is the size of the display area plus insets plus the button. |
void |
installUI |
Configures the specified component appropriately for the look and feel. |
void |
paint |
Paints the specified component according to the Look and Feel. |
protected void |
paint |
Paints the specified component. |
void |
paintBorder |
Paints the border. |
void |
paintCurrentValue |
Paints the currently selected item. |
void |
propertyChange |
This method gets called when a bound property is changed. |
void |
update |
Notifies this UI delegate to repaint the specified component. |
addEditor, configureArrowButton, configureEditor, createArrowButton, createEditor, createFocusListener, createItemListener, createKeyListener, createLayoutManager, createListDataListener, createPopup, createPropertyChangeListener, createRenderer, getBaseline, getBaselineResizeBehavior, getDisplaySize, getInsets, getSizeForComponent, installComponents, installDefaults, installKeyboardActions, installListeners, isFocusTraversable, isNavigationKey, isPopupVisible, paintCurrentValueBackground, rectangleForCurrentValue, removeEditor, selectNextPossibleValue, selectPreviousPossibleValue, setPopupVisible, toggleOpenClose, unconfigureArrowButton, unconfigureEditor, uninstallComponents, uninstallDefaults, uninstallKeyboardActions, uninstallListeners
contains, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getPreferredSize, uninstallUI
public SynthComboBoxUI()
SynthComboBoxUI
.public static ComponentUI createUI(JComponent c)
c
- component to create UI object forpublic void installUI(JComponent c)
ComponentUI
instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following: LayoutManager
on the component if necessary. PropertyChangeListener
on the component in order to detect and respond to component property changes appropriately. installUI
in class ComponentUI
c
- the component where this UI delegate is being installedpublic SynthContext getContext(JComponent c)
getContext
in interface SynthUI
c
- Component requesting SynthContext.public void propertyChange(PropertyChangeEvent e)
propertyChange
in interface PropertyChangeListener
e
- A PropertyChangeEvent object describing the event source and the property that has changed.public void update(Graphics g, JComponent c)
paint(SynthContext,Graphics)
method. In general, this method does not need to be overridden by subclasses. All Look and Feel rendering code should reside in the paint
method.
update
in class ComponentUI
g
- the Graphics
object used for paintingc
- the component being paintedpublic Dimension getMinimumSize(JComponent c)
getMinimumSize
in class BasicComboBoxUI
c
- 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 componentsDimension
object or null
public void paint(Graphics g, JComponent c)
This method is not used by Synth Look and Feel. Painting is handled by the paint(SynthContext,Graphics)
method.
paint
in class ComponentUI
g
- the Graphics
object used for paintingc
- the component being paintedprotected void paint(SynthContext context, Graphics g)
context
- context for the component being paintedg
- the Graphics
object used for paintingpublic void paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h)
paintBorder
in interface SynthUI
context
- a component contextg
- Graphics
to paint onx
- the X coordinatey
- the Y coordinatew
- width of the borderh
- height of the borderpublic void paintCurrentValue(Graphics g, Rectangle bounds, boolean hasFocus)
paintCurrentValue
in class BasicComboBoxUI
g
- an instance of Graphics
bounds
- a bounding rectangle to render tohasFocus
- is focusedprotected Dimension getDefaultSize()
getDefaultSize
in class BasicComboBoxUI
© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/plaf/synth/SynthComboBoxUI.html