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/OpenJDK 21

Class BasicTabbedPaneUI.TabbedPaneLayout

java.lang.Object
javax.swing.plaf.basic.BasicTabbedPaneUI.TabbedPaneLayout
All Implemented Interfaces:
LayoutManager
Direct Known Subclasses:
MetalTabbedPaneUI.TabbedPaneLayout
Enclosing class:
BasicTabbedPaneUI
public class BasicTabbedPaneUI.TabbedPaneLayout extends Object implements LayoutManager
This class should be treated as a "protected" inner class. Instantiate it only within subclasses of BasicTabbedPaneUI.

Constructor Summary

Constructor Description
TabbedPaneLayout()
Constructs a TabbedPaneLayout.

Method Summary

Modifier and Type Method Description
void addLayoutComponent(String name, Component comp)
If the layout manager uses a per-component string, adds the component comp to the layout, associating it with the string specified by name.
void calculateLayoutInfo()
Calculates the layout info.
protected Dimension calculateSize(boolean minimum)
Returns the calculated size.
protected void calculateTabRects(int tabPlacement, int tabCount)
Calculate the tab rectangles.
void layoutContainer(Container parent)
Lays out the specified container.
Dimension minimumLayoutSize(Container parent)
Calculates the minimum size dimensions for the specified container, given the components it contains.
protected void normalizeTabRuns(int tabPlacement, int tabCount, int start, int max)
Normalizes the tab runs.
protected void padSelectedTab(int tabPlacement, int selectedIndex)
Pads selected tab.
protected void padTabRun(int tabPlacement, int start, int end, int max)
Pads the tab run.
Dimension preferredLayoutSize(Container parent)
Calculates the preferred size dimensions for the specified container, given the components it contains.
protected int preferredTabAreaHeight(int tabPlacement, int width)
Returns the preferred tab area height.
protected int preferredTabAreaWidth(int tabPlacement, int height)
Returns the preferred tab area width.
void removeLayoutComponent(Component comp)
Removes the specified component from the layout.
protected void rotateTabRuns(int tabPlacement, int selectedRun)
Rotates the run-index array so that the selected run is run[0].

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TabbedPaneLayout

public TabbedPaneLayout()
Constructs a TabbedPaneLayout.

Method Details

addLayoutComponent

public void addLayoutComponent(String name, Component comp)
Description copied from interface: LayoutManager
If the layout manager uses a per-component string, adds the component comp to the layout, associating it with the string specified by name.
Specified by:
addLayoutComponent in interface LayoutManager
Parameters:
name - the string to be associated with the component
comp - the component to be added

removeLayoutComponent

public void removeLayoutComponent(Component comp)
Description copied from interface: LayoutManager
Removes the specified component from the layout.
Specified by:
removeLayoutComponent in interface LayoutManager
Parameters:
comp - the component to be removed

preferredLayoutSize

public Dimension preferredLayoutSize(Container parent)
Description copied from interface: LayoutManager
Calculates the preferred size dimensions for the specified container, given the components it contains.
Specified by:
preferredLayoutSize in interface LayoutManager
Parameters:
parent - the container to be laid out
Returns:
the preferred dimension for the container
See Also:

minimumLayoutSize

public Dimension minimumLayoutSize(Container parent)
Description copied from interface: LayoutManager
Calculates the minimum size dimensions for the specified container, given the components it contains.
Specified by:
minimumLayoutSize in interface LayoutManager
Parameters:
parent - the component to be laid out
Returns:
the minimum dimension for the container
See Also:

calculateSize

protected Dimension calculateSize(boolean minimum)
Returns the calculated size.
Parameters:
minimum - use the minimum size or preferred size
Returns:
the calculated size

preferredTabAreaHeight

protected int preferredTabAreaHeight(int tabPlacement, int width)
Returns the preferred tab area height.
Parameters:
tabPlacement - the tab placement
width - the width
Returns:
the preferred tab area height

preferredTabAreaWidth

protected int preferredTabAreaWidth(int tabPlacement, int height)
Returns the preferred tab area width.
Parameters:
tabPlacement - the tab placement
height - the height
Returns:
the preferred tab area width

layoutContainer

public void layoutContainer(Container parent)
Lays out the specified container.
Specified by:
layoutContainer in interface LayoutManager
Parameters:
parent - the container to be laid out

calculateLayoutInfo

public void calculateLayoutInfo()
Calculates the layout info.

calculateTabRects

protected void calculateTabRects(int tabPlacement, int tabCount)
Calculate the tab rectangles.
Parameters:
tabPlacement - the tab placement
tabCount - the tab count

rotateTabRuns

protected void rotateTabRuns(int tabPlacement, int selectedRun)
Rotates the run-index array so that the selected run is run[0].
Parameters:
tabPlacement - the tab placement
selectedRun - the selected run

normalizeTabRuns

protected void normalizeTabRuns(int tabPlacement, int tabCount, int start, int max)
Normalizes the tab runs.
Parameters:
tabPlacement - the tab placement
tabCount - the tab count
start - the start
max - the max

padTabRun

protected void padTabRun(int tabPlacement, int start, int end, int max)
Pads the tab run.
Parameters:
tabPlacement - the tab placement
start - the start
end - the end
max - the max

padSelectedTab

protected void padSelectedTab(int tabPlacement, int selectedIndex)
Pads selected tab.
Parameters:
tabPlacement - the tab placement
selectedIndex - the selected index

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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/basic/BasicTabbedPaneUI.TabbedPaneLayout.html