java.lang.Object
- javax.swing.plaf.ComponentUI
- - javax.swing.plaf.SliderUI
  - - javax.swing.plaf.basic.BasicSliderUI

Direct Known Subclasses:

MetalSliderUI, SynthSliderUI
```
public class BasicSliderUI
extends SliderUI
```
A Basic L&F implementation of SliderUI.

Nested Class Summary

Nested Classes
Modifier and Type	Class and 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`
`class`	`BasicSliderUI.ScrollListener` Scroll-event listener.
`class`	`BasicSliderUI.TrackListener` Track mouse movements.

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Field Summary

Fields
Modifier and Type	Field and Description
`protected ChangeListener`	`changeListener`
`protected ComponentListener`	`componentListener`
`protected Rectangle`	`contentRect`
`protected Insets`	`focusInsets`
`protected FocusListener`	`focusListener`
`protected Rectangle`	`focusRect`
`protected Insets`	`insetCache`
`protected Rectangle`	`labelRect`
`protected boolean`	`leftToRightCache`
`static int`	`MAX_SCROLL`
`static int`	`MIN_SCROLL`
`static int`	`NEGATIVE_SCROLL`
`static int`	`POSITIVE_SCROLL`
`protected PropertyChangeListener`	`propertyChangeListener`
`protected BasicSliderUI.ScrollListener`	`scrollListener`
`protected Timer`	`scrollTimer`
`protected JSlider`	`slider`
`protected Rectangle`	`thumbRect`
`protected Rectangle`	`tickRect`
`protected int`	`trackBuffer`
`protected BasicSliderUI.TrackListener`	`trackListener`
`protected Rectangle`	`trackRect`

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Constructor Summary

Constructors
Constructor and Description

BasicSliderUI(JSlider b)

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Method Summary

Methods
Modifier and Type	Method and Description
`protected void`	`calculateContentRect()`
`protected void`	`calculateFocusRect()`
`protected void`	`calculateGeometry()`
`protected void`	`calculateLabelRect()`
`protected void`	`calculateThumbLocation()`
`protected void`	`calculateThumbSize()`
`protected void`	`calculateTickRect()`
`protected void`	`calculateTrackBuffer()`
`protected void`	`calculateTrackRect()`
`protected ChangeListener`	`createChangeListener(JSlider slider)`
`protected ComponentListener`	`createComponentListener(JSlider slider)`
`protected FocusListener`	`createFocusListener(JSlider slider)`
`protected PropertyChangeListener`	`createPropertyChangeListener(JSlider slider)`
`protected BasicSliderUI.ScrollListener`	`createScrollListener(JSlider slider)`
`protected BasicSliderUI.TrackListener`	`createTrackListener(JSlider slider)`
`static ComponentUI`	`createUI(JComponent b)`
`protected boolean`	`drawInverted()`
`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()`
`protected int`	`getHeightOfHighValueLabel()`
`protected int`	`getHeightOfLowValueLabel()`
`protected int`	`getHeightOfTallestLabel()`
`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()`
`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 specified component's maximum size appropriate for the look and feel.
`Dimension`	`getMinimumHorizontalSize()`
`Dimension`	`getMinimumSize(JComponent c)` Returns the specified component's minimum size appropriate for the look and feel.
`Dimension`	`getMinimumVerticalSize()`
`Dimension`	`getPreferredHorizontalSize()`
`Dimension`	`getPreferredSize(JComponent c)` Returns the specified component's preferred size appropriate for the look and feel.
`Dimension`	`getPreferredVerticalSize()`
`protected Color`	`getShadowColor()`
`protected Dimension`	`getThumbSize()`
`protected int`	`getTickLength()` Gets the height of the tick area for horizontal sliders and the width of the tick area for vertical sliders.
`protected int`	`getWidthOfHighValueLabel()`
`protected int`	`getWidthOfLowValueLabel()`
`protected int`	`getWidthOfWidestLabel()`
`protected void`	`installDefaults(JSlider slider)`
`protected void`	`installKeyboardActions(JSlider slider)`
`protected void`	`installListeners(JSlider slider)`
`void`	`installUI(JComponent c)` Configures the specified component appropriately for the look and feel.
`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`	`paint(Graphics g, JComponent c)` Paints the specified component appropriately for the look and feel.
`void`	`paintFocus(Graphics g)`
`protected void`	`paintHorizontalLabel(Graphics g, int value, Component label)` Called for every label in the label table.
`void`	`paintLabels(Graphics g)`
`protected void`	`paintMajorTickForHorizSlider(Graphics g, Rectangle tickBounds, int x)`
`protected void`	`paintMajorTickForVertSlider(Graphics g, Rectangle tickBounds, int y)`
`protected void`	`paintMinorTickForHorizSlider(Graphics g, Rectangle tickBounds, int x)`
`protected void`	`paintMinorTickForVertSlider(Graphics g, Rectangle tickBounds, int y)`
`void`	`paintThumb(Graphics g)`
`void`	`paintTicks(Graphics g)`
`void`	`paintTrack(Graphics g)`
`protected void`	`paintVerticalLabel(Graphics g, int value, Component label)` Called for every label in the label table.
`protected void`	`recalculateIfInsetsChanged()`
`protected void`	`recalculateIfOrientationChanged()`
`void`	`scrollByBlock(int direction)`
`void`	`scrollByUnit(int direction)`
`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)`
`protected void`	`uninstallDefaults(JSlider slider)`
`protected void`	`uninstallKeyboardActions(JSlider slider)`
`protected void`	`uninstallListeners(JSlider slider)`
`void`	`uninstallUI(JComponent c)` Reverses configuration which was done on the specified component during `installUI`.
`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)`
`protected int`	`yPositionForValue(int value)`
`protected int`	`yPositionForValue(int value, int trackY, int trackHeight)` Returns the y location for the specified value.

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Methods inherited from class javax.swing.plaf.ComponentUI
contains, getAccessibleChild, getAccessibleChildrenCount, update

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - POSITIVE_SCROLL
```
public static final int POSITIVE_SCROLL
```
    See Also:
    Constant Field Values
  - NEGATIVE_SCROLL
```
public static final int NEGATIVE_SCROLL
```
    See Also:
    Constant Field Values
  - MIN_SCROLL
```
public static final int MIN_SCROLL
```
    See Also:
    Constant Field Values
  - MAX_SCROLL
```
public static final int MAX_SCROLL
```
    See Also:
    Constant Field Values
  - scrollTimer
```
protected Timer scrollTimer
```
  - slider
```
protected JSlider slider
```
  - focusInsets
```
protected Insets focusInsets
```
  - insetCache
```
protected Insets insetCache
```
  - leftToRightCache
```
protected boolean leftToRightCache
```
  - focusRect
```
protected Rectangle focusRect
```
  - contentRect
```
protected Rectangle contentRect
```
  - labelRect
```
protected Rectangle labelRect
```
  - tickRect
```
protected Rectangle tickRect
```
  - trackRect
```
protected Rectangle trackRect
```
  - thumbRect
```
protected Rectangle thumbRect
```
  - trackBuffer
```
protected int trackBuffer
```
  - trackListener
```
protected BasicSliderUI.TrackListener trackListener
```
  - changeListener
```
protected ChangeListener changeListener
```
  - componentListener
```
protected ComponentListener componentListener
```
  - focusListener
```
protected FocusListener focusListener
```
  - scrollListener
```
protected BasicSliderUI.ScrollListener scrollListener
```
  - propertyChangeListener
```
protected PropertyChangeListener propertyChangeListener
```
- Constructor Detail
  - BasicSliderUI
```
public BasicSliderUI(JSlider b)
```
- Method Detail
  - getShadowColor
```
protected Color getShadowColor()
```
  - getHighlightColor
```
protected Color getHighlightColor()
```
  - getFocusColor
```
protected Color getFocusColor()
```
  - isDragging
```
protected boolean isDragging()
```
    Returns true if the user is dragging the slider.
    
    Returns:
    true if the user is dragging the slider
    Since:
    
    1.5
  - createUI
```
public static ComponentUI createUI(JComponent b)
```
  - installUI
```
public void installUI(JComponent c)
```
    Description copied from class: ComponentUI
    Configures the specified component appropriately for the look and feel. This method is invoked when the 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:
    1. Install default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden.
    2. Install a LayoutManager on the component if necessary.
    3. Create/add any required sub-components to the component.
    4. Create/install event listeners on the component.
    5. Create/install a PropertyChangeListener on the component in order to detect and respond to component property changes appropriately.
    6. Install keyboard UI (mnemonics, traversal, etc.) on the component.
    7. Initialize any appropriate instance data.
    Overrides:
    
    installUI in class ComponentUI
    
    Parameters:
    c - the component where this UI delegate is being installed
    See Also:
    ComponentUI.uninstallUI(javax.swing.JComponent), JComponent.setUI(javax.swing.plaf.ComponentUI), JComponent.updateUI()
  - uninstallUI
```
public void uninstallUI(JComponent c)
```
    Description copied from class: ComponentUI
    Reverses configuration which was done on the specified component during installUI. This method is invoked when this UIComponent instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in installUI, being careful to leave the JComponent instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following:
    1. Remove any UI-set borders from the component.
    2. Remove any UI-set layout managers on the component.
    3. Remove any UI-added sub-components from the component.
    4. Remove any UI-added event/property listeners from the component.
    5. Remove any UI-installed keyboard UI from the component.
    6. Nullify any allocated instance data objects to allow for GC.
    Overrides:
    
    uninstallUI in class ComponentUI
    
    Parameters:
    c - 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
    See Also:
    ComponentUI.installUI(javax.swing.JComponent), JComponent.updateUI()
  - installDefaults
```
protected void installDefaults(JSlider slider)
```
  - uninstallDefaults
```
protected void uninstallDefaults(JSlider slider)
```
  - createTrackListener
```
protected BasicSliderUI.TrackListener createTrackListener(JSlider slider)
```
  - createChangeListener
```
protected ChangeListener createChangeListener(JSlider slider)
```
  - createComponentListener
```
protected ComponentListener createComponentListener(JSlider slider)
```
  - createFocusListener
```
protected FocusListener createFocusListener(JSlider slider)
```
  - createScrollListener
```
protected BasicSliderUI.ScrollListener createScrollListener(JSlider slider)
```
  - createPropertyChangeListener
```
protected PropertyChangeListener createPropertyChangeListener(JSlider slider)
```
  - installListeners
```
protected void installListeners(JSlider slider)
```
  - uninstallListeners
```
protected void uninstallListeners(JSlider slider)
```
  - installKeyboardActions
```
protected void installKeyboardActions(JSlider slider)
```
  - uninstallKeyboardActions
```
protected void uninstallKeyboardActions(JSlider slider)
```
  - getBaseline
```
public int getBaseline(JComponent c,
              int width,
              int height)
```
    Returns the baseline.
    
    Overrides:
    
    getBaseline in class ComponentUI
    
    Parameters:
    c - JComponent baseline is being requested for
    width - the width to get the baseline for
    height - the height to get the baseline for
    
    Returns:
    baseline or a value < 0 indicating there is no reasonable baseline
    
    Throws:
    
    NullPointerException - if c is null
    
    IllegalArgumentException - if width or height is < 0
    Since:
    
    1.6
    
    See Also:
    JComponent.getBaseline(int, int)
  - getBaselineResizeBehavior
```
public Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c)
```
    Returns an enum indicating how the baseline of the component changes as the size changes.
    
    Overrides:
    
    getBaselineResizeBehavior in class ComponentUI
    
    Parameters:
    c - JComponent to return baseline resize behavior for
    
    Returns:
    an enum indicating how the baseline changes as the component size changes
    
    Throws:
    
    NullPointerException - if c is null
    Since:
    
    1.6
    
    See Also:
    JComponent.getBaseline(int, int)
  - labelsHaveSameBaselines
```
protected boolean labelsHaveSameBaselines()
```
    Returns true if all the labels from the label table have the same baseline.
    
    Returns:
    true if all the labels from the label table have the same baseline
    Since:
    
    1.6
  - getPreferredHorizontalSize
```
public Dimension getPreferredHorizontalSize()
```
  - getPreferredVerticalSize
```
public Dimension getPreferredVerticalSize()
```
  - getMinimumHorizontalSize
```
public Dimension getMinimumHorizontalSize()
```
  - getMinimumVerticalSize
```
public Dimension getMinimumVerticalSize()
```
  - getPreferredSize
```
public Dimension getPreferredSize(JComponent c)
```
    Description copied from class: ComponentUI
    
    Returns the specified component's preferred size appropriate for the look and feel. If null is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returns null.
    
    Overrides:
    
    getPreferredSize in class ComponentUI
    
    Parameters:
    c - the component whose preferred size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
    See Also:
    JComponent.getPreferredSize(), LayoutManager.preferredLayoutSize(java.awt.Container)
  - getMinimumSize
```
public Dimension getMinimumSize(JComponent c)
```
    Description copied from class: ComponentUI
    
    Returns the specified component's minimum size appropriate for the look and feel. If null is returned, the minimum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.
    
    Overrides:
    
    getMinimumSize in class ComponentUI
    
    Parameters:
    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 components
    
    Returns:
    a Dimension object or null
    See Also:
    JComponent.getMinimumSize(), LayoutManager.minimumLayoutSize(java.awt.Container), ComponentUI.getPreferredSize(javax.swing.JComponent)
  - getMaximumSize
```
public Dimension getMaximumSize(JComponent c)
```
    Description copied from class: ComponentUI
    
    Returns the specified component's maximum size appropriate for the look and feel. If null is returned, the maximum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.
    
    Overrides:
    
    getMaximumSize in class ComponentUI
    
    Parameters:
    c - the component whose maximum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
    
    Returns:
    a Dimension object or null
    See Also:
    JComponent.getMaximumSize(), LayoutManager2.maximumLayoutSize(java.awt.Container)
  - calculateGeometry
```
protected void calculateGeometry()
```
  - calculateFocusRect
```
protected void calculateFocusRect()
```
  - calculateThumbSize
```
protected void calculateThumbSize()
```
  - calculateContentRect
```
protected void calculateContentRect()
```
  - calculateThumbLocation
```
protected void calculateThumbLocation()
```
  - calculateTrackBuffer
```
protected void calculateTrackBuffer()
```
  - calculateTrackRect
```
protected void calculateTrackRect()
```
  - getTickLength
```
protected 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. If you want to give your ticks some room, make this larger than you need and paint your ticks away from the sides in paintTicks().
  - calculateTickRect
```
protected void calculateTickRect()
```
  - calculateLabelRect
```
protected void calculateLabelRect()
```
  - getThumbSize
```
protected Dimension getThumbSize()
```
  - getWidthOfWidestLabel
```
protected int getWidthOfWidestLabel()
```
  - getHeightOfTallestLabel
```
protected int getHeightOfTallestLabel()
```
  - getWidthOfHighValueLabel
```
protected int getWidthOfHighValueLabel()
```
  - getWidthOfLowValueLabel
```
protected int getWidthOfLowValueLabel()
```
  - getHeightOfHighValueLabel
```
protected int getHeightOfHighValueLabel()
```
  - getHeightOfLowValueLabel
```
protected int getHeightOfLowValueLabel()
```
  - drawInverted
```
protected boolean drawInverted()
```
  - getHighestValue
```
protected Integer getHighestValue()
```
    Returns the biggest value that has an entry in the label table.
    
    Returns:
    biggest value that has an entry in the label table, or null.
    Since:
    
    1.6
  - getLowestValue
```
protected Integer getLowestValue()
```
    Returns the smallest value that has an entry in the label table.
    
    Returns:
    smallest value that has an entry in the label table, or null.
    Since:
    
    1.6
  - getLowestValueLabel
```
protected Component getLowestValueLabel()
```
    Returns the label that corresponds to the highest slider value in the label table.
    
    See Also:
    JSlider.setLabelTable(java.util.Dictionary)
  - getHighestValueLabel
```
protected Component getHighestValueLabel()
```
    Returns the label that corresponds to the lowest slider value in the label table.
    
    See Also:
    JSlider.setLabelTable(java.util.Dictionary)
  - paint
```
public void paint(Graphics g,
         JComponent c)
```
    Description copied from class: ComponentUI
    
    Paints the specified component appropriately for the look and feel. This method is invoked from the ComponentUI.update method when the specified component is being painted. Subclasses should override this method and use the specified Graphics object to render the content of the component.
    
    Overrides:
    
    paint in class ComponentUI
    
    Parameters:
    g - the Graphics context in which to paint
    c - the component being painted; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
    See Also:
    ComponentUI.update(java.awt.Graphics, javax.swing.JComponent)
  - recalculateIfInsetsChanged
```
protected void recalculateIfInsetsChanged()
```
  - recalculateIfOrientationChanged
```
protected void recalculateIfOrientationChanged()
```
  - paintFocus
```
public void paintFocus(Graphics g)
```
  - paintTrack
```
public void paintTrack(Graphics g)
```
  - paintTicks
```
public void paintTicks(Graphics g)
```
  - paintMinorTickForHorizSlider
```
protected void paintMinorTickForHorizSlider(Graphics g,
                                Rectangle tickBounds,
                                int x)
```
  - paintMajorTickForHorizSlider
```
protected void paintMajorTickForHorizSlider(Graphics g,
                                Rectangle tickBounds,
                                int x)
```
  - paintMinorTickForVertSlider
```
protected void paintMinorTickForVertSlider(Graphics g,
                               Rectangle tickBounds,
                               int y)
```
  - paintMajorTickForVertSlider
```
protected void paintMajorTickForVertSlider(Graphics g,
                               Rectangle tickBounds,
                               int y)
```
  - paintLabels
```
public void paintLabels(Graphics g)
```
  - paintHorizontalLabel
```
protected void paintHorizontalLabel(Graphics g,
                        int value,
                        Component label)
```
    Called for every label in the label table. Used to draw the labels for horizontal sliders. The graphics have been translated to labelRect.y already.
    
    See Also:
    JSlider.setLabelTable(java.util.Dictionary)
  - paintVerticalLabel
```
protected void paintVerticalLabel(Graphics g,
                      int value,
                      Component label)
```
    Called for every label in the label table. Used to draw the labels for vertical sliders. The graphics have been translated to labelRect.x already.
    
    See Also:
    JSlider.setLabelTable(java.util.Dictionary)
  - paintThumb
```
public void paintThumb(Graphics g)
```
  - setThumbLocation
```
public void setThumbLocation(int x,
                    int y)
```
  - scrollByBlock
```
public void scrollByBlock(int direction)
```
  - scrollByUnit
```
public void scrollByUnit(int direction)
```
  - scrollDueToClickInTrack
```
protected void scrollDueToClickInTrack(int dir)
```
    This function is called when a mousePressed was detected in the track, not in the thumb. The default behavior is to scroll by block. You can override this method to stop it from scrolling or to add additional behavior.
  - xPositionForValue
```
protected int xPositionForValue(int value)
```
  - yPositionForValue
```
protected int yPositionForValue(int value)
```
  - yPositionForValue
```
protected int yPositionForValue(int value,
                    int trackY,
                    int trackHeight)
```
    Returns the y location for the specified value. No checking is done on the arguments. In particular if trackHeight is negative undefined results may occur.
    
    Parameters:
    value - the slider value to get the location for
    trackY - y-origin of the track
    trackHeight - the height of the track
    Since:
    
    1.6
  - valueForYPosition
```
public int valueForYPosition(int yPos)
```
    Returns the value at the y position. If yPos is beyond the track at the the bottom or the top, this method sets the value to either the minimum or maximum value of the slider, depending on if the slider is inverted or not.
  - valueForXPosition
```
public int valueForXPosition(int xPos)
```
    Returns the value at the x position. If xPos is beyond the track at the left or the right, this method sets the value to either the minimum or maximum value of the slider, depending on if the slider is inverted or not.

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Vielen Dank im Voraus.

Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-javax/swing/plaf/basic/basicsliderui.html

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Referenzen

Manuel PHP : https://docs.oracle.com/en/java/, Class BasicSliderUI

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Class BasicSliderUI

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class javax.swing.plaf.ComponentUI

Methods inherited from class java.lang.Object

Field Detail

POSITIVE_SCROLL

NEGATIVE_SCROLL

MIN_SCROLL

MAX_SCROLL

scrollTimer

slider

focusInsets

insetCache

leftToRightCache

focusRect

contentRect

labelRect

tickRect

trackRect

thumbRect

trackBuffer

trackListener

changeListener

componentListener

focusListener

scrollListener

propertyChangeListener

Constructor Detail

BasicSliderUI

Method Detail

getShadowColor

getHighlightColor

getFocusColor

isDragging

createUI

installUI

uninstallUI

installDefaults

uninstallDefaults

createTrackListener

createChangeListener

createComponentListener

createFocusListener

createScrollListener

createPropertyChangeListener

installListeners

uninstallListeners

installKeyboardActions

uninstallKeyboardActions

getBaseline

getBaselineResizeBehavior

labelsHaveSameBaselines

getPreferredHorizontalSize

getPreferredVerticalSize

getMinimumHorizontalSize

getMinimumVerticalSize

getPreferredSize

getMinimumSize

getMaximumSize

calculateGeometry

calculateFocusRect

calculateThumbSize

calculateContentRect

calculateThumbLocation

calculateTrackBuffer

calculateTrackRect

getTickLength

calculateTickRect

calculateLabelRect

getThumbSize

getWidthOfWidestLabel

getHeightOfTallestLabel

getWidthOfHighValueLabel

getWidthOfLowValueLabel

getHeightOfHighValueLabel

getHeightOfLowValueLabel

drawInverted