PropertyChangeListener
, EventListener
, SynthConstants
, SynthUI
public class SynthViewportUI extends ViewportUI implements PropertyChangeListener, SynthUI
JViewport
.DEFAULT, DISABLED, ENABLED, FOCUSED, MOUSE_OVER, PRESSED, SELECTED
Constructor | Description |
---|---|
SynthViewportUI() |
Constructs a SynthViewportUI . |
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 void |
installDefaults |
Installs defaults for a viewport. |
protected void |
installListeners |
Installs listeners into the viewport. |
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 |
propertyChange |
This method gets called when a bound property is changed. |
protected void |
uninstallDefaults |
Uninstalls defaults from a viewport. |
protected void |
uninstallListeners |
Uninstalls listeners from the viewport. |
void |
update |
Notifies this UI delegate to repaint the specified component. |
contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, installUI, uninstallUI
public SynthViewportUI()
SynthViewportUI
.public static ComponentUI createUI(JComponent c)
c
- component to create UI object forprotected void installDefaults(JComponent c)
c
- a JViewport
objectprotected void installListeners(JComponent c)
c
- a JViewport
objectprotected void uninstallListeners(JComponent c)
c
- a JViewport
objectprotected void uninstallDefaults(JComponent c)
c
- a JViewport
objectpublic SynthContext getContext(JComponent c)
getContext
in interface SynthUI
c
- Component requesting SynthContext.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 void paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h)
JViewport
class does not support a border. This implementation does nothing.paintBorder
in interface SynthUI
context
- a component contextg
- the Graphics
to paint onx
- the X coordinatey
- the Y coordinatew
- width of the borderh
- height of the borderpublic 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 propertyChange(PropertyChangeEvent e)
propertyChange
in interface PropertyChangeListener
e
- A PropertyChangeEvent object describing the event source and the property that has changed.
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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/plaf/synth/SynthViewportUI.html