OpenJDK 27 · javax.swing.plaf.basic.BasicSplitPaneUI

Modifier and Type	Class and Description
private static class	BasicSplitPaneUI.Actions
public class	BasicSplitPaneUI.BasicHorizontalLayoutManager LayoutManager for JSplitPanes that have an orientation of HORIZONTAL_SPLIT.
public class	BasicSplitPaneUI.BasicVerticalLayoutManager LayoutManager used for JSplitPanes with an orientation of VERTICAL_SPLIT.
public class	BasicSplitPaneUI.FocusHandler Implementation of the FocusListener that the JSplitPane UI uses.
private class	BasicSplitPaneUI.Handler
public class	BasicSplitPaneUI.KeyboardDownRightHandler Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.
public class	BasicSplitPaneUI.KeyboardEndHandler Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.
public class	BasicSplitPaneUI.KeyboardHomeHandler Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.
public class	BasicSplitPaneUI.KeyboardResizeToggleHandler Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.
public class	BasicSplitPaneUI.KeyboardUpLeftHandler Implementation of an ActionListener that the JSplitPane UI uses for handling specific key presses.
public class	BasicSplitPaneUI.PropertyHandler Implementation of the PropertyChangeListener that the JSplitPane UI uses.

Field Summary

Modifier and Type	Field and Description
protected int	beginDragDividerLocation Location of the divider when the dragging session began.
private boolean	continuousLayout
protected BasicSplitPaneDivider	divider Instance of the divider for this JSplitPane.
private Color	dividerDraggingColor
private boolean	dividerKeyboardResize
private boolean	dividerLocationIsSet
protected KeyStroke	dividerResizeToggleKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected int	dividerSize The size of the divider while the dragging session is valid.
protected KeyStroke	downKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected boolean	draggingHW Set to true in startDragging if any of the children (not including the nonContinuousLayoutDivider) are heavy weights.
protected KeyStroke	endKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected FocusListener	focusListener Instance of the FocusListener for this JSplitPane.
private BasicSplitPaneUI.Handler	handler
protected KeyStroke	homeKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
pack-priv boolean	ignoreDividerLocationChange If true, setDividerLocation does nothing.
private boolean	keepHidden
protected static int	KEYBOARD_DIVIDER_MOVE_OFFSET How far (relative) the divider does move when it is moved around by the cursor keys on the keyboard.
protected ActionListener	keyboardDownRightListener Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected ActionListener	keyboardEndListener Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected ActionListener	keyboardHomeListener Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected ActionListener	keyboardResizeToggleListener Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected ActionListener	keyboardUpLeftListener Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
private int	lastDragLocation
protected BasicSplitPaneUI.BasicHorizontalLayoutManager	layoutManager LayoutManager that is created and placed into the split pane.
protected KeyStroke	leftKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
private Set<KeyStroke>	managingFocusBackwardTraversalKeys Keys to use for backward focus traversal when the JComponent is managing focus.
private Set<KeyStroke>	managingFocusForwardTraversalKeys Keys to use for forward focus traversal when the JComponent is managing focus.
protected static final String	NON_CONTINUOUS_DIVIDER The divider used for non-continuous layout is added to the split pane with this object.
protected Component	nonContinuousLayoutDivider Instance for the shadow of the divider when non continuous layout is being used.
private int	orientation
pack-priv boolean	painted Indicates that we have painted once.
protected PropertyChangeListener	propertyChangeListener Instance of the PropertyChangeListener for this JSplitPane.
private boolean	rememberPaneSizes
protected KeyStroke	rightKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.
protected JSplitPane	splitPane JSplitPane instance this instance is providing the look and feel for.
protected KeyStroke	upKey Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this previously undocumented field is no longer used.

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

Method Summary

Modifier and Type	Method and Description
private void	addHeavyweightDivider()
public BasicSplitPaneDivider	Returns: the default divider createDefaultDivider() Creates the default divider.
protected Component	Returns: the default non continuous layout divider createDefaultNonContinuousLayoutDivider() Returns the default non continuous layout divider, which is an instance of `Canvas` that fills in the background with dark gray.
protected FocusListener	Returns: an instance of `FocusListener` createFocusListener() Creates a `FocusListener` for the `JSplitPane` UI.
protected ActionListener	Returns: an instance of `ActionListener` createKeyboardDownRightListener() Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this method is no longer used.
protected ActionListener	Returns: an instance of `ActionListener` createKeyboardEndListener() Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this method is no longer used.
protected ActionListener	Returns: an instance of `ActionListener` createKeyboardHomeListener() Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this method is no longer used.
protected ActionListener	Returns: an instance of `ActionListener` createKeyboardResizeToggleListener() Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this method is no longer used.
protected ActionListener	Returns: an instance of `ActionListener` createKeyboardUpLeftListener() Deprecated As of Java 2 platform v1.3. As of Java 2 platform v1.3 this method is no longer used.
protected PropertyChangeListener	Returns: an instance of `PropertyChangeListener` createPropertyChangeListener() Creates a `PropertyChangeListener` for the `JSplitPane` UI.
public static ComponentUI	Returns: a new instance of `BasicSplitPaneUI` createUI(JComponent a component x) Hides javax.swing.plaf.ComponentUI.createUI. Creates a new instance of `BasicSplitPaneUI`.
protected void	dragDividerTo(int the location of divider location) Messaged during a dragging session to move the divider to the passed in `location`.
protected void	finishDraggingTo(int the location of divider location) Messaged to finish the dragging session.
public void	finishedPaintingChildren(JSplitPane sp, Graphics g) Implements abstract javax.swing.plaf.SplitPaneUI.finishedPaintingChildren. Called when the specified split pane has finished painting its children.
public BasicSplitPaneDivider	Returns: the divider between the top Components getDivider() Returns the divider between the top Components.
protected int	Returns: the width of one side of the divider border getDividerBorderSize() Deprecated As of Java 2 platform v1.3, instead set the border on the divider. As of Java 2 platform v1.3 this method is no longer used.
public int	getDividerLocation(JSplitPane jc) Implements abstract javax.swing.plaf.SplitPaneUI.getDividerLocation. Returns the location of the divider, which may differ from what the splitpane thinks the location of the divider is.
private BasicSplitPaneUI.Handler	getHandler()
pack-priv InputMap	getInputMap(int condition)
public Insets	Returns: the insets getInsets(JComponent a component jc) Returns the insets.
private boolean	Returns: true if one of the splitpane sides is expanded, false otherwise. getKeepHidden() The value returned indicates if one of the splitpane sides is expanded.
pack-priv int	getKeyboardMoveIncrement() Returns: increment via keyboard methods.
public int	Returns: the last drag location getLastDragLocation() Returns the last drag location of the `JSplitPane`.
public int	getMaximumDividerLocation(JSplitPane jc) Implements abstract javax.swing.plaf.SplitPaneUI.getMaximumDividerLocation. Gets the maximum location of the divider.
public Dimension	getMaximumSize(JComponent jc) Overrides javax.swing.plaf.ComponentUI.getMaximumSize. Returns the maximum size for the passed in component, This is passed off to the current layout manager.
public int	getMinimumDividerLocation(JSplitPane jc) Implements abstract javax.swing.plaf.SplitPaneUI.getMinimumDividerLocation. Gets the minimum location of the divider.
public Dimension	getMinimumSize(JComponent jc) Overrides javax.swing.plaf.ComponentUI.getMinimumSize. Returns the minimum size for the passed in component, This is passed off to the current layout manager.
public Component	Returns: the divider getNonContinuousLayoutDivider() Returns the divider to use when the `JSplitPane` is configured to not continuously layout.
public int	Returns: the orientation getOrientation() Returns the orientation for the `JSplitPane`.
public Dimension	getPreferredSize(JComponent jc) Overrides javax.swing.plaf.ComponentUI.getPreferredSize. Returns the preferred size for the passed in component, This is passed off to the current layout manager.
public JSplitPane	Returns: the instance of `JSplitPane` getSplitPane() Returns the `JSplitPane` this instance is currently contained in.
protected void	installDefaults() Installs the UI defaults.
protected void	installKeyboardActions() Installs the keyboard actions for the UI.
protected void	installListeners() Installs the event listeners for the UI.
public void	installUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.installUI. Installs the UI.
public boolean	Returns: `true` if a continuous layout is set isContinuousLayout() Determines whether the `JSplitPane` is set to use a continuous layout.
pack-priv static void	loadActionMap(LazyActionMap map)
public void	paint(Graphics g, JComponent jc) Overrides javax.swing.plaf.ComponentUI.paint. Paints the specified component appropriately for the look and feel.
protected void	resetLayoutManager() Resets the layout manager based on orientation and messages it with invalidateLayout to pull in appropriate Components.
public void	resetToPreferredSizes(JSplitPane jc) Implements abstract javax.swing.plaf.SplitPaneUI.resetToPreferredSizes. Messaged to reset the preferred sizes.
public void	setContinuousLayout(boolean if `true` the continuous layout turns on b) Turn continuous layout on/off.
public void	setDividerLocation(JSplitPane jc, int location) Implements abstract javax.swing.plaf.SplitPaneUI.setDividerLocation. Sets the location of the divider to location.
pack-priv void	setKeepHidden(boolean keepHidden) Set the value to indicate if one of the splitpane sides is expanded.
public void	setLastDragLocation(int the drag location l) Set the last drag location of the `JSplitPane`.
protected void	setNonContinuousLayoutDivider(Component the new divider newDivider) Sets the divider to use when the `JSplitPane` is configured to not continuously layout.
protected void	setNonContinuousLayoutDivider(Component the new divider newDivider, boolean if `true` the pane size is remembered rememberSizes) Sets the divider to use.
public void	setOrientation(int the orientation orientation) Set the orientation for the `JSplitPane`.
protected void	startDragging() Should be messaged before the dragging session starts, resets lastDragLocation and dividerSize.
protected void	uninstallDefaults() Uninstalls the UI defaults.
protected void	uninstallKeyboardActions() Uninstalls the keyboard actions for the UI.
protected void	uninstallListeners() Uninstalls the event listeners for the UI.
public void	uninstallUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.uninstallUI. Uninstalls the UI.

public Class BasicSplitPaneUI

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary