LayoutManager
, LayoutManager2
, Serializable
JRootPane
protected class JRootPane.RootLayout extends Object implements LayoutManager2, Serializable
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
.
Modifier | Constructor | Description |
---|---|---|
protected |
Constructs a RootLayout . |
Modifier and Type | Method | Description |
---|---|---|
void |
addLayoutComponent |
Adds the specified component to the layout, using the specified constraint object. |
void |
addLayoutComponent |
If the layout manager uses a per-component string, adds the component comp to the layout, associating it with the string specified by name . |
float |
getLayoutAlignmentX |
Returns the alignment along the x axis. |
float |
getLayoutAlignmentY |
Returns the alignment along the y axis. |
void |
invalidateLayout |
Invalidates the layout, indicating that if the layout manager has cached information it should be discarded. |
void |
layoutContainer |
Instructs the layout manager to perform the layout for the specified container. |
Dimension |
maximumLayoutSize |
Returns the maximum amount of space the layout can use. |
Dimension |
minimumLayoutSize |
Returns the minimum amount of space the layout needs. |
Dimension |
preferredLayoutSize |
Returns the amount of space the layout would like to have. |
void |
removeLayoutComponent |
Removes the specified component from the layout. |
protected RootLayout()
RootLayout
.public Dimension preferredLayoutSize(Container parent)
preferredLayoutSize
in interface LayoutManager
parent
- the Container for which this layout manager is being usedpublic Dimension minimumLayoutSize(Container parent)
minimumLayoutSize
in interface LayoutManager
parent
- the Container for which this layout manager is being usedpublic Dimension maximumLayoutSize(Container target)
maximumLayoutSize
in interface LayoutManager2
target
- the Container for which this layout manager is being usedpublic void layoutContainer(Container parent)
layoutContainer
in interface LayoutManager
parent
- the Container for which this layout manager is being usedpublic void addLayoutComponent(String name, Component comp)
LayoutManager
comp
to the layout, associating it with the string specified by name
.addLayoutComponent
in interface LayoutManager
name
- the string to be associated with the componentcomp
- the component to be addedpublic void removeLayoutComponent(Component comp)
LayoutManager
removeLayoutComponent
in interface LayoutManager
comp
- the component to be removedpublic void addLayoutComponent(Component comp, Object constraints)
LayoutManager2
addLayoutComponent
in interface LayoutManager2
comp
- the component to be addedconstraints
- where/how the component is added to the layout.public float getLayoutAlignmentX(Container target)
LayoutManager2
getLayoutAlignmentX
in interface LayoutManager2
target
- the target containerpublic float getLayoutAlignmentY(Container target)
LayoutManager2
getLayoutAlignmentY
in interface LayoutManager2
target
- the target containerpublic void invalidateLayout(Container target)
LayoutManager2
invalidateLayout
in interface LayoutManager2
target
- the target container
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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/JRootPane.RootLayout.html