OpenJDK 27 · javax.swing.DefaultDesktopManager · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private transient Rectangle	currentBounds
private transient Point	currentLoc
pack-priv static final int	DEFAULT_DRAG_MODE
private transient Rectangle	desktopBounds
private transient Graphics	desktopGraphics
private transient boolean	didDrag Set to true when the user actually drags a frame vs clicks on it to start the drag operation.
pack-priv int	dragMode
pack-priv static final int	FASTER_DRAG_MODE
private transient Rectangle[]	floatingItems
pack-priv static final String	HAS_BEEN_ICONIFIED_PROPERTY
pack-priv static final int	OUTLINE_DRAG_MODE

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

Method Summary

Modifier and Type	Method and Description
public void	activateFrame(JInternalFrame the `JInternalFrame` to be activated f) Implements javax.swing.DesktopManager.activateFrame. This will activate f moving it to the front.
public void	beginDraggingFrame(JComponent f) Implements javax.swing.DesktopManager.beginDraggingFrame. This method is normally called when the user has indicated that they will begin dragging a component around.
public void	beginResizingFrame(JComponent f, int direction) Implements javax.swing.DesktopManager.beginResizingFrame. This method is normally called when the user has indicated that they will begin resizing the frame.
public void	closeFrame(JInternalFrame the `JInternalFrame` to be removed f) Implements javax.swing.DesktopManager.closeFrame. Removes the frame, and, if necessary, the `desktopIcon`, from its parent.
public void	deactivateFrame(JInternalFrame f) Implements javax.swing.DesktopManager.deactivateFrame. Generally, indicate that this frame has lost focus.
public void	deiconifyFrame(JInternalFrame the `JInternalFrame` to be de-iconified f) Implements javax.swing.DesktopManager.deiconifyFrame. Removes the desktopIcon from its parent and adds its frame to the parent.
public void	dragFrame(JComponent f, int newX, int newY) Implements javax.swing.DesktopManager.dragFrame. Moves the visible location of the frame being dragged to the location specified.
private void	dragFrameFaster(JComponent f, int newX, int newY)
private void	emergencyCleanup(final JComponent f) This method is here to clean up problems associated with a race condition which can occur when the full contents of a copyArea's source argument is not available onscreen.
public void	endDraggingFrame(JComponent f) Implements javax.swing.DesktopManager.endDraggingFrame. This method signals the end of the dragging session.
public void	endResizingFrame(JComponent f) Implements javax.swing.DesktopManager.endResizingFrame. This method signals the end of the resize session.
private Rectangle[]	findFloatingItems(JComponent f)
protected Rectangle	Returns: a `Rectangle` containing bounds for the `desktopIcon` getBoundsForIconOf(JInternalFrame the `JInternalFrame` of interest f) The `iconifyFrame()` code calls this to determine the proper bounds for the desktopIcon.
pack-priv JDesktopPane	getDesktopPane(JComponent frame)
protected Rectangle	Returns: the normal bounds of the component getPreviousBounds(JInternalFrame the `JInternalFrame` of interest f) Gets the normal bounds of the component prior to the component being maximized.
public void	iconifyFrame(JInternalFrame the `JInternalFrame` to be iconified f) Implements javax.swing.DesktopManager.iconifyFrame. Removes the frame from its parent and adds its `desktopIcon` to the parent.
private boolean	isFloaterCollision(Rectangle moveFrom, Rectangle moveTo)
public void	maximizeFrame(JInternalFrame the frame to be resized f) Implements javax.swing.DesktopManager.maximizeFrame. Resizes the frame to fill its parents bounds.
public void	minimizeFrame(JInternalFrame the `JInternalFrame` to be restored f) Implements javax.swing.DesktopManager.minimizeFrame. Restores the frame back to its size and position prior to a `maximizeFrame` call.
public void	openFrame(JInternalFrame f) Implements javax.swing.DesktopManager.openFrame. Normally this method will not be called.
protected void	removeIconFor(JInternalFrame the `JInternalFrame` for which to remove the `desktopIcon` f) Convenience method to remove the desktopIcon of f is necessary.
public void	resizeFrame(JComponent the component to be resized f, int the new x-coordinate newX, int the new y-coordinate newY, int the new width newWidth, int the new height newHeight) Implements javax.swing.DesktopManager.resizeFrame. Calls `setBoundsForFrame` with the new values.
public void	setBoundsForFrame(JComponent f, int newX, int newY, int newWidth, int newHeight) Implements javax.swing.DesktopManager.setBoundsForFrame. This moves the `JComponent` and repaints the damaged areas.
protected void	setPreviousBounds(JInternalFrame the component about to be resized f, Rectangle the normal bounds to be saved away r) Stores the bounds of the component just before a maximize call.
private void	setupDragMode(JComponent f)
protected void	setWasIcon(JInternalFrame the `JInternalFrame` of interest f, Boolean a `Boolean` signifying if component has been iconized value) Sets that the component has been iconized and the bounds of the `desktopIcon` are valid.
protected boolean	Returns: `true` if the component has been iconized; otherwise returns `false` wasIcon(JInternalFrame the `JInternalFrame` of interest f) Returns `true` if the component has been iconized and the bounds of the `desktopIcon` are valid, otherwise returns `false`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

currentBounds	back to summary
private transient Rectangle currentBounds

currentLoc	back to summary
private transient Point currentLoc

DEFAULT_DRAG_MODE	back to summary
pack-priv static final int DEFAULT_DRAG_MODE

desktopBounds	back to summary
private transient Rectangle desktopBounds

desktopGraphics	back to summary
private transient Graphics desktopGraphics

didDrag	back to summary
private transient boolean didDrag Set to true when the user actually drags a frame vs clicks on it to start the drag operation. This is only used when dragging with FASTER_DRAG_MODE.

dragMode	back to summary
pack-priv int dragMode

FASTER_DRAG_MODE	back to summary
pack-priv static final int FASTER_DRAG_MODE

floatingItems	back to summary
private transient Rectangle[] floatingItems

HAS_BEEN_ICONIFIED_PROPERTY	back to summary
pack-priv static final String HAS_BEEN_ICONIFIED_PROPERTY

OUTLINE_DRAG_MODE	back to summary
pack-priv static final int OUTLINE_DRAG_MODE

DefaultDesktopManager	back to summary
public DefaultDesktopManager() Constructs a `DefaultDesktopManager`.

Method Detail

activateFrame back to summary

activateFrame	back to summary
public void activateFrame(JInternalFrame f) Implements javax.swing.DesktopManager.activateFrame. This will activate f moving it to the front. It will set the current active frame's (if any) `IS_SELECTED_PROPERTY` to `false`. There can be only one active frame across all Layers. Parameters f:JInternalFrame the `JInternalFrame` to be activated

public void activateFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.activateFrame.

This will activate f moving it to the front. It will set the current active frame's (if any) IS_SELECTED_PROPERTY to false. There can be only one active frame across all Layers.

Parameters

f:JInternalFrame: the JInternalFrame to be activated

beginDraggingFrame	back to summary
public void beginDraggingFrame(JComponent f) Implements javax.swing.DesktopManager.beginDraggingFrame. Doc from javax.swing.DesktopManager.beginDraggingFrame. This method is normally called when the user has indicated that they will begin dragging a component around. This method should be called prior to any dragFrame() calls to allow the DesktopManager to prepare any necessary state. Normally f will be a JInternalFrame.

beginDraggingFrame

back to summary

public void beginDraggingFrame(JComponent f)

Implements javax.swing.DesktopManager.beginDraggingFrame.

Doc from javax.swing.DesktopManager.beginDraggingFrame.

This method is normally called when the user has indicated that they will begin dragging a component around. This method should be called prior to any dragFrame() calls to allow the DesktopManager to prepare any necessary state. Normally f will be a JInternalFrame.

beginResizingFrame	back to summary
public void beginResizingFrame(JComponent f, int direction) Implements javax.swing.DesktopManager.beginResizingFrame. Doc from javax.swing.DesktopManager.beginResizingFrame. This method is normally called when the user has indicated that they will begin resizing the frame. This method should be called prior to any resizeFrame() calls to allow the DesktopManager to prepare any necessary state. Normally f will be a JInternalFrame.

beginResizingFrame

back to summary

public void beginResizingFrame(JComponent f, int direction)

Implements javax.swing.DesktopManager.beginResizingFrame.

Doc from javax.swing.DesktopManager.beginResizingFrame.

This method is normally called when the user has indicated that they will begin resizing the frame. This method should be called prior to any resizeFrame() calls to allow the DesktopManager to prepare any necessary state. Normally f will be a JInternalFrame.

closeFrame back to summary

closeFrame	back to summary
public void closeFrame(JInternalFrame f) Implements javax.swing.DesktopManager.closeFrame. Removes the frame, and, if necessary, the `desktopIcon`, from its parent. Parameters f:JInternalFrame the `JInternalFrame` to be removed

public void closeFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.closeFrame.

Removes the frame, and, if necessary, the desktopIcon, from its parent.

Parameters

f:JInternalFrame: the JInternalFrame to be removed

deactivateFrame	back to summary
public void deactivateFrame(JInternalFrame f) Implements javax.swing.DesktopManager.deactivateFrame. Doc from javax.swing.DesktopManager.deactivateFrame. Generally, indicate that this frame has lost focus. This is usually called after the JInternalFrame's IS_SELECTED_PROPERTY has been set to false.

deactivateFrame

back to summary

public void deactivateFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.deactivateFrame.

Doc from javax.swing.DesktopManager.deactivateFrame.

Generally, indicate that this frame has lost focus. This is usually called after the JInternalFrame's IS_SELECTED_PROPERTY has been set to false.

deiconifyFrame back to summary

deiconifyFrame	back to summary
public void deiconifyFrame(JInternalFrame f) Implements javax.swing.DesktopManager.deiconifyFrame. Removes the desktopIcon from its parent and adds its frame to the parent. Parameters f:JInternalFrame the `JInternalFrame` to be de-iconified

public void deiconifyFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.deiconifyFrame.

Removes the desktopIcon from its parent and adds its frame to the parent.

Parameters

f:JInternalFrame: the JInternalFrame to be de-iconified

dragFrame back to summary

dragFrame	back to summary
public void dragFrame(JComponent f, int newX, int newY) Implements javax.swing.DesktopManager.dragFrame. Moves the visible location of the frame being dragged to the location specified. The means by which this occurs can vary depending on the dragging algorithm being used. The actual logical location of the frame might not change until `endDraggingFrame` is called.

public void dragFrame(JComponent f, int newX, int newY)

Implements javax.swing.DesktopManager.dragFrame.

Moves the visible location of the frame being dragged to the location specified. The means by which this occurs can vary depending on the dragging algorithm being used. The actual logical location of the frame might not change until endDraggingFrame is called.

dragFrameFaster	back to summary
private void dragFrameFaster(JComponent f, int newX, int newY)

emergencyCleanup	back to summary
private void emergencyCleanup(final JComponent f) This method is here to clean up problems associated with a race condition which can occur when the full contents of a copyArea's source argument is not available onscreen. This uses brute force to clean up in case of possible damage

endDraggingFrame	back to summary
public void endDraggingFrame(JComponent f) Implements javax.swing.DesktopManager.endDraggingFrame. Doc from javax.swing.DesktopManager.endDraggingFrame. This method signals the end of the dragging session. Any state maintained by the DesktopManager can be removed here. Normally f will be a JInternalFrame.

endDraggingFrame

back to summary

public void endDraggingFrame(JComponent f)

Implements javax.swing.DesktopManager.endDraggingFrame.

Doc from javax.swing.DesktopManager.endDraggingFrame.

This method signals the end of the dragging session. Any state maintained by the DesktopManager can be removed here. Normally f will be a JInternalFrame.

endResizingFrame	back to summary
public void endResizingFrame(JComponent f) Implements javax.swing.DesktopManager.endResizingFrame. Doc from javax.swing.DesktopManager.endResizingFrame. This method signals the end of the resize session. Any state maintained by the DesktopManager can be removed here. Normally f will be a JInternalFrame.

endResizingFrame

back to summary

public void endResizingFrame(JComponent f)

Implements javax.swing.DesktopManager.endResizingFrame.

Doc from javax.swing.DesktopManager.endResizingFrame.

This method signals the end of the resize session. Any state maintained by the DesktopManager can be removed here. Normally f will be a JInternalFrame.

findFloatingItems	back to summary
private Rectangle[] findFloatingItems(JComponent f)

getBoundsForIconOf back to summary

getBoundsForIconOf	back to summary
protected Rectangle getBoundsForIconOf(JInternalFrame f) The `iconifyFrame()` code calls this to determine the proper bounds for the desktopIcon. Parameters f:JInternalFrame the `JInternalFrame` of interest Returns:Rectangle a `Rectangle` containing bounds for the `desktopIcon`

protected Rectangle getBoundsForIconOf(JInternalFrame f)

The iconifyFrame() code calls this to determine the proper bounds for the desktopIcon.

Parameters

f:JInternalFrame: the JInternalFrame of interest

Returns:Rectangle

a Rectangle containing bounds for the desktopIcon

getDesktopPane	back to summary
pack-priv JDesktopPane getDesktopPane(JComponent frame)

getPreviousBounds back to summary

getPreviousBounds	back to summary
protected Rectangle getPreviousBounds(JInternalFrame f) Gets the normal bounds of the component prior to the component being maximized. Parameters f:JInternalFrame the `JInternalFrame` of interest Returns:Rectangle the normal bounds of the component

protected Rectangle getPreviousBounds(JInternalFrame f)

Gets the normal bounds of the component prior to the component being maximized.

Parameters

f:JInternalFrame: the JInternalFrame of interest

Returns:Rectangle

the normal bounds of the component

iconifyFrame back to summary

iconifyFrame	back to summary
public void iconifyFrame(JInternalFrame f) Implements javax.swing.DesktopManager.iconifyFrame. Removes the frame from its parent and adds its `desktopIcon` to the parent. Parameters f:JInternalFrame the `JInternalFrame` to be iconified

public void iconifyFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.iconifyFrame.

Removes the frame from its parent and adds its desktopIcon to the parent.

Parameters

f:JInternalFrame: the JInternalFrame to be iconified

isFloaterCollision	back to summary
private boolean isFloaterCollision(Rectangle moveFrom, Rectangle moveTo)

maximizeFrame	back to summary
public void maximizeFrame(JInternalFrame f) Implements javax.swing.DesktopManager.maximizeFrame. Resizes the frame to fill its parents bounds. Parameters f:JInternalFrame the frame to be resized

maximizeFrame

back to summary

public void maximizeFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.maximizeFrame.

Resizes the frame to fill its parents bounds.

Parameters

f:JInternalFrame: the frame to be resized

minimizeFrame back to summary

minimizeFrame	back to summary
public void minimizeFrame(JInternalFrame f) Implements javax.swing.DesktopManager.minimizeFrame. Restores the frame back to its size and position prior to a `maximizeFrame` call. Parameters f:JInternalFrame the `JInternalFrame` to be restored

public void minimizeFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.minimizeFrame.

Restores the frame back to its size and position prior to a maximizeFrame call.

Parameters

f:JInternalFrame: the JInternalFrame to be restored

openFrame	back to summary
public void openFrame(JInternalFrame f) Implements javax.swing.DesktopManager.openFrame. Normally this method will not be called. If it is, it tries to determine the appropriate parent from the desktopIcon of the frame. Will remove the desktopIcon from its parent if it successfully adds the frame.

openFrame

back to summary

public void openFrame(JInternalFrame f)

Implements javax.swing.DesktopManager.openFrame.

Normally this method will not be called. If it is, it tries to determine the appropriate parent from the desktopIcon of the frame. Will remove the desktopIcon from its parent if it successfully adds the frame.

removeIconFor back to summary

removeIconFor	back to summary
protected void removeIconFor(JInternalFrame f) Convenience method to remove the desktopIcon of f is necessary. Parameters f:JInternalFrame the `JInternalFrame` for which to remove the `desktopIcon`

protected void removeIconFor(JInternalFrame f)

Convenience method to remove the desktopIcon of f is necessary.

Parameters

f:JInternalFrame: the JInternalFrame for which to remove the desktopIcon

resizeFrame back to summary

resizeFrame	back to summary
public void resizeFrame(JComponent f, int newX, int newY, int newWidth, int newHeight) Implements javax.swing.DesktopManager.resizeFrame. Calls `setBoundsForFrame` with the new values. Parameters f:JComponent the component to be resized newX:int the new x-coordinate newY:int the new y-coordinate newWidth:int the new width newHeight:int the new height

public void resizeFrame(JComponent f, int newX, int newY, int newWidth, int newHeight)

Implements javax.swing.DesktopManager.resizeFrame.

Calls setBoundsForFrame with the new values.

Parameters

f:JComponent: the component to be resized
newX:int: the new x-coordinate
newY:int: the new y-coordinate
newWidth:int: the new width
newHeight:int: the new height

setBoundsForFrame back to summary

setBoundsForFrame	back to summary
public void setBoundsForFrame(JComponent f, int newX, int newY, int newWidth, int newHeight) Implements javax.swing.DesktopManager.setBoundsForFrame. This moves the `JComponent` and repaints the damaged areas.

public void setBoundsForFrame(JComponent f, int newX, int newY, int newWidth, int newHeight)

Implements javax.swing.DesktopManager.setBoundsForFrame.

This moves the JComponent and repaints the damaged areas.

setPreviousBounds	back to summary
protected void setPreviousBounds(JInternalFrame f, Rectangle r) Stores the bounds of the component just before a maximize call. Parameters f:JInternalFrame the component about to be resized r:Rectangle the normal bounds to be saved away

setPreviousBounds

back to summary

protected void setPreviousBounds(JInternalFrame f, Rectangle r)

Stores the bounds of the component just before a maximize call.

Parameters

f:JInternalFrame: the component about to be resized
r:Rectangle: the normal bounds to be saved away

setupDragMode	back to summary
private void setupDragMode(JComponent f)

setWasIcon back to summary

setWasIcon	back to summary
protected void setWasIcon(JInternalFrame f, Boolean value) Sets that the component has been iconized and the bounds of the `desktopIcon` are valid. Parameters f:JInternalFrame the `JInternalFrame` of interest value:Boolean a `Boolean` signifying if component has been iconized

protected void setWasIcon(JInternalFrame f, Boolean value)

Sets that the component has been iconized and the bounds of the desktopIcon are valid.

Parameters

f:JInternalFrame: the JInternalFrame of interest
value:Boolean: a Boolean signifying if component has been iconized

wasIcon back to summary

wasIcon	back to summary
protected boolean wasIcon(JInternalFrame f) Returns `true` if the component has been iconized and the bounds of the `desktopIcon` are valid, otherwise returns `false`. Parameters f:JInternalFrame the `JInternalFrame` of interest Returns:boolean `true` if the component has been iconized; otherwise returns `false`

protected boolean wasIcon(JInternalFrame f)

Returns true if the component has been iconized and the bounds of the desktopIcon are valid, otherwise returns false.

Parameters

f:JInternalFrame: the JInternalFrame of interest

Returns:boolean

true if the component has been iconized; otherwise returns false

public Class DefaultDesktopManager

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Field Detail

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