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Class MetalSliderUI

java.lang.Object
javax.swing.plaf.ComponentUI
javax.swing.plaf.SliderUI
javax.swing.plaf.basic.BasicSliderUI
javax.swing.plaf.metal.MetalSliderUI
public class MetalSliderUI extends BasicSliderUI
A Java L&F implementation of SliderUI.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Nested Class Summary

Modifier and Type Class Description
protected class  MetalSliderUI.MetalPropertyListener
PropertyListener for JSlider.isFilled.

Nested classes/interfaces declared in class BasicSliderUI

BasicSliderUI.ActionScroller, BasicSliderUI.ChangeHandler, BasicSliderUI.ComponentHandler, BasicSliderUI.FocusHandler, BasicSliderUI.PropertyChangeHandler, BasicSliderUI.ScrollListener, BasicSliderUI.TrackListener
Modifier and Type Class Description
class  BasicSliderUI.ActionScroller
As of Java 2 platform v1.3 this undocumented class is no longer used.
class  BasicSliderUI.ChangeHandler
Data model listener.
class  BasicSliderUI.ComponentHandler
Listener for resizing events.
class  BasicSliderUI.FocusHandler
Focus-change listener.
class  BasicSliderUI.PropertyChangeHandler
A property change handler.
class  BasicSliderUI.ScrollListener
Scroll-event listener.
class  BasicSliderUI.TrackListener
Track mouse movements.

Field Summary

Modifier and Type Field Description
protected static Color darkShadowColor
The color of dark shadow.
protected boolean filledSlider
The value of the property JSlider.isFilled.
protected static Color highlightColor
The color of highlighting.
protected static Icon horizThumbIcon
A default horizontal thumb Icon.
protected final String SLIDER_FILL
Property for JSlider.isFilled.
protected static Color thumbColor
The color of a thumb
protected final int TICK_BUFFER
The buffer of a tick.
protected static int tickLength
The length of a tick.
protected static int trackWidth
The width of a track.
protected static Icon vertThumbIcon
A default vertical thumb Icon.

Fields declared in class BasicSliderUI

changeListener, componentListener, contentRect, focusInsets, focusListener, focusRect, insetCache, labelRect, leftToRightCache, MAX_SCROLL, MIN_SCROLL, NEGATIVE_SCROLL, POSITIVE_SCROLL, propertyChangeListener, scrollListener, scrollTimer, slider, thumbRect, tickRect, trackBuffer, trackListener, trackRect
Modifier and Type Field Description
protected ChangeListener changeListener
Change listener
protected ComponentListener componentListener
Component listener
protected Rectangle contentRect
Content rectangle
protected Insets focusInsets
Focus insets
protected FocusListener focusListener
Focus listener
protected Rectangle focusRect
Focus rectangle
protected Insets insetCache
Inset cache
protected Rectangle labelRect
Label rectangle
protected boolean leftToRightCache
Left-to-right cache
static final int MAX_SCROLL
Maximum scroll
static final int MIN_SCROLL
Minimum scroll
static final int NEGATIVE_SCROLL
Negative scroll
static final int POSITIVE_SCROLL
Positive scroll
protected PropertyChangeListener propertyChangeListener
Property change listener
protected BasicSliderUI.ScrollListener scrollListener
Scroll listener
protected Timer scrollTimer
Scroll timer
protected JSlider slider
Slider
protected Rectangle thumbRect
Thumb rectangle
protected Rectangle tickRect
Tick rectangle
protected int trackBuffer
The distance that the track is from the side of the control
protected BasicSliderUI.TrackListener trackListener
Track listener
protected Rectangle trackRect
Track rectangle

Constructor Summary

Constructor Description
MetalSliderUI()
Constructs a MetalSliderUI instance.

Method Summary

Modifier and Type Method Description
protected PropertyChangeListener createPropertyChangeListener(JSlider slider)
Constructs MetalPropertyListener.
static ComponentUI createUI(JComponent c)
Constructs a MetalSliderUI instance.
protected int getThumbOverhang()
Returns the amount that the thumb goes past the slide bar.
int getTickLength()
Gets the height of the tick area for horizontal sliders and the width of the tick area for vertical sliders.
protected int getTrackLength()
Returns the longer dimension of the slide bar.
protected int getTrackWidth()
Returns the shorter dimension of the track.

Methods declared in class BasicSliderUI

calculateContentRect, calculateFocusRect, calculateGeometry, calculateLabelRect, calculateThumbLocation, calculateThumbSize, calculateTickRect, calculateTrackBuffer, calculateTrackRect, createChangeListener, createComponentListener, createFocusListener, createScrollListener, createTrackListener, drawInverted, getBaseline, getBaselineResizeBehavior, getFocusColor, getHeightOfHighValueLabel, getHeightOfLowValueLabel, getHeightOfTallestLabel, getHighestValue, getHighestValueLabel, getHighlightColor, getLowestValue, getLowestValueLabel, getMaximumSize, getMinimumHorizontalSize, getMinimumSize, getMinimumVerticalSize, getPreferredHorizontalSize, getPreferredSize, getPreferredVerticalSize, getShadowColor, getThumbSize, getWidthOfHighValueLabel, getWidthOfLowValueLabel, getWidthOfWidestLabel, installDefaults, installKeyboardActions, installListeners, installUI, isDragging, labelsHaveSameBaselines, paintFocus, paintHorizontalLabel, paintLabels, paintMajorTickForHorizSlider, paintMajorTickForVertSlider, paintMinorTickForHorizSlider, paintMinorTickForVertSlider, paintThumb, paintTicks, paintTrack, paintVerticalLabel, recalculateIfInsetsChanged, recalculateIfOrientationChanged, scrollByBlock, scrollByUnit, scrollDueToClickInTrack, setThumbLocation, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI, valueForXPosition, valueForYPosition, xPositionForValue, yPositionForValue, yPositionForValue
Modifier and Type Method Description
protected void calculateContentRect()
Calculates the content rectangle.
protected void calculateFocusRect()
Calculates the focus rectangle.
protected void calculateGeometry()
Calculates the geometry.
protected void calculateLabelRect()
Calculates the label rectangle.
protected void calculateThumbLocation()
Calculates the thumb location.
protected void calculateThumbSize()
Calculates the thumb size rectangle.
protected void calculateTickRect()
Calculates the tick rectangle.
protected void calculateTrackBuffer()
Calculates the track buffer.
protected void calculateTrackRect()
Calculates the track rectangle.
protected ChangeListener createChangeListener(JSlider slider)
Creates a change listener.
protected ComponentListener createComponentListener(JSlider slider)
Creates a composite listener.
protected FocusListener createFocusListener(JSlider slider)
Creates a focus listener.
protected BasicSliderUI.ScrollListener createScrollListener(JSlider slider)
Creates a scroll listener.
protected BasicSliderUI.TrackListener createTrackListener(JSlider slider)
Creates a track listener.
protected boolean drawInverted()
Draws inverted.
int getBaseline(JComponent c, int width, int height)
Returns the baseline.
Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c)
Returns an enum indicating how the baseline of the component changes as the size changes.
protected Color getFocusColor()
Returns the focus color.
protected int getHeightOfHighValueLabel()
Returns the height of the highest value label.
protected int getHeightOfLowValueLabel()
Returns the height of the lowest value label.
protected int getHeightOfTallestLabel()
Returns the height of the tallest label.
protected Integer getHighestValue()
Returns the biggest value that has an entry in the label table.
protected Component getHighestValueLabel()
Returns the label that corresponds to the lowest slider value in the label table.
protected Color getHighlightColor()
Returns the highlight color.
protected Integer getLowestValue()
Returns the smallest value that has an entry in the label table.
protected Component getLowestValueLabel()
Returns the label that corresponds to the highest slider value in the label table.
Dimension getMaximumSize(JComponent c)
Returns the maximum size.
Dimension getMinimumHorizontalSize()
Returns the minimum horizontal size.
Dimension getMinimumSize(JComponent c)
Returns the minimum size.
Dimension getMinimumVerticalSize()
Returns the minimum vertical size.
Dimension getPreferredHorizontalSize()
Returns the preferred horizontal size.
Dimension getPreferredSize(JComponent c)
Returns the preferred size.
Dimension getPreferredVerticalSize()
Returns the preferred vertical size.
protected Color getShadowColor()
Returns the shadow color.
protected Dimension getThumbSize()
Returns the thumb size.
protected int getWidthOfHighValueLabel()
Returns the width of the highest value label.
protected int getWidthOfLowValueLabel()
Returns the width of the lowest value label.
protected int getWidthOfWidestLabel()
Returns the width of the widest label.
protected void installDefaults(JSlider slider)
Installs the defaults.
protected void installKeyboardActions(JSlider slider)
Installs keyboard actions.
protected void installListeners(JSlider slider)
Installs listeners.
void installUI(JComponent c)
Installs a UI.
protected boolean isDragging()
Returns true if the user is dragging the slider.
protected boolean labelsHaveSameBaselines()
Returns true if all the labels from the label table have the same baseline.
void paintFocus(Graphics g)
Paints focus.
protected void paintHorizontalLabel(Graphics g, int value, Component label)
Called for every label in the label table.
void paintLabels(Graphics g)
Paints the labels.
protected void paintMajorTickForHorizSlider(Graphics g, Rectangle tickBounds, int x)
Paints major tick for horizontal slider.
protected void paintMajorTickForVertSlider(Graphics g, Rectangle tickBounds, int y)
Paints major tick for vertical slider.
protected void paintMinorTickForHorizSlider(Graphics g, Rectangle tickBounds, int x)
Paints minor tick for horizontal slider.
protected void paintMinorTickForVertSlider(Graphics g, Rectangle tickBounds, int y)
Paints minor tick for vertical slider.
void paintThumb(Graphics g)
Paints the thumb.
void paintTicks(Graphics g)
Paints ticks.
void paintTrack(Graphics g)
Paints track.
protected void paintVerticalLabel(Graphics g, int value, Component label)
Called for every label in the label table.
protected void recalculateIfInsetsChanged()
Recalculates if the insets have changed.
protected void recalculateIfOrientationChanged()
Recalculates if the orientation has changed.
void scrollByBlock(int direction)
Scrolls by block.
void scrollByUnit(int direction)
Scrolls by unit.
protected void scrollDueToClickInTrack(int dir)
This function is called when a mousePressed was detected in the track, not in the thumb.
void setThumbLocation(int x, int y)
Sets the thumb location.
protected void uninstallDefaults(JSlider slider)
Uninstalls the defaults.
protected void uninstallKeyboardActions(JSlider slider)
Uninstalls keyboard actions.
protected void uninstallListeners(JSlider slider)
Uninstalls listeners.
void uninstallUI(JComponent c)
Uninstalls a UI.
int valueForXPosition(int xPos)
Returns the value at the x position.
int valueForYPosition(int yPos)
Returns the value at the y position.
protected int xPositionForValue(int value)
Returns the x position for a value.
protected int yPositionForValue(int value)
Returns the y position for a value.
protected int yPositionForValue(int value, int trackY, int trackHeight)
Returns the y location for the specified value.

Methods declared in class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, paint, update
Modifier and Type Method Description
boolean contains(JComponent c, int x, int y)
Returns true if the specified x,y location is contained within the look and feel's defined shape of the specified component.
Accessible getAccessibleChild(JComponent c, int i)
Returns the ith Accessible child of the object.
int getAccessibleChildrenCount(JComponent c)
Returns the number of accessible children in the object.
void paint(Graphics g, JComponent c)
Paints the specified component appropriately for the look and feel.
void update(Graphics g, JComponent c)
Notifies this UI delegate that it is time to paint the specified component.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Modifier and Type Method Description
protected Object clone()
Creates and returns a copy of this object.
boolean equals(Object obj)
Indicates whether some other object is "equal to" this one.
protected void finalize()
Deprecated, for removal: This API element is subject to removal in a future version.
Finalization is deprecated and subject to removal in a future release.
final Class<?> getClass()
Returns the runtime class of this Object.
int hashCode()
Returns a hash code value for this object.
final void notify()
Wakes up a single thread that is waiting on this object's monitor.
final void notifyAll()
Wakes up all threads that are waiting on this object's monitor.
String toString()
Returns a string representation of the object.
final void wait()
Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

TICK_BUFFER

protected final int TICK_BUFFER
The buffer of a tick.
See Also:
  • Constant Field Values

filledSlider

protected boolean filledSlider
The value of the property JSlider.isFilled. By default, false if the property is not set, true for Ocean theme.

thumbColor

protected static Color thumbColor
The color of a thumb

highlightColor

protected static Color highlightColor
The color of highlighting.

darkShadowColor

protected static Color darkShadowColor
The color of dark shadow.

trackWidth

protected static int trackWidth
The width of a track.

tickLength

protected static int tickLength
The length of a tick.

horizThumbIcon

protected static Icon horizThumbIcon
A default horizontal thumb Icon. This field might not be used. To change the Icon used by this delegate directly set it using the Slider.horizontalThumbIcon UIManager property.

vertThumbIcon

protected static Icon vertThumbIcon
A default vertical thumb Icon. This field might not be used. To change the Icon used by this delegate directly set it using the Slider.verticalThumbIcon UIManager property.

SLIDER_FILL

protected final String SLIDER_FILL
Property for JSlider.isFilled.
See Also:
  • Constant Field Values

Constructor Details

MetalSliderUI

public MetalSliderUI()
Constructs a MetalSliderUI instance.

Method Details

createUI

public static ComponentUI createUI(JComponent c)
Constructs a MetalSliderUI instance.
Parameters:
c - a component
Returns:
a MetalSliderUI instance

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener(JSlider slider)
Constructs MetalPropertyListener.
Overrides:
createPropertyChangeListener in class BasicSliderUI
Parameters:
slider - a JSlider
Returns:
the MetalPropertyListener

getTickLength

public int getTickLength()
Gets the height of the tick area for horizontal sliders and the width of the tick area for vertical sliders. BasicSliderUI uses the returned value to determine the tick area rectangle.
Overrides:
getTickLength in class BasicSliderUI
Returns:
an integer representing the height of the tick area for horizontal sliders, and the width of the tick area for the vertical sliders

getTrackWidth

protected int getTrackWidth()
Returns the shorter dimension of the track.
Returns:
the shorter dimension of the track

getTrackLength

protected int getTrackLength()
Returns the longer dimension of the slide bar. (The slide bar is only the part that runs directly under the thumb)
Returns:
the longer dimension of the slide bar

getThumbOverhang

protected int getThumbOverhang()
Returns the amount that the thumb goes past the slide bar.
Returns:
the amount that the thumb goes past the slide bar

Report a bug or suggest an enhancement
For further API reference and developer documentation see the Java SE Documentation, which contains more detailed, developer-targeted descriptions with conceptual overviews, definitions of terms, workarounds, and working code examples. Other versions.
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Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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