[multiple changes]

2004-03-12  Graydon Hoare  <graydon@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java: Clipping fixes.
	* javax/swing/JComponent.java (paint): Use persistent double buffer.
	* javax/swing/JList.java (ListListener): Revalidate on changes.
	* javax/swing/JScrollPane.java: Reimplement.
	* javax/swing/JViewport.java: Reimplement.
	* javax/swing/ScrollPaneLayout.java: Reimplement.
	* javax/swing/ViewportLayout.java: Tidy up.
	* javax/swing/plaf/basic/BasicButtonListener.java: Remove printlns.
	* javax/swing/plaf/basic/BasicScrollPaneUI.java: Reimplement.
	* javax/swing/plaf/basic/BasicSliderUI.java: Handle missing labels.
	* javax/swing/plaf/basic/BasicViewportUI.java: Implement in terms of
	backing store only.

2004-03-11  Thomas Fitzsimmons  <fitzsim@redhat.com>

	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c
	(window_wm_protocols_filter): New function.
	(window_focus_in_cb): Remove function.
	(window_focus_out_cb): Likewise.
	(window_focus_or_active_state_change_cb): New function.
	(create): Add filter that removes WM_TAKE_FOCUS client messages.
	(connectSignals): Don't attach handlers to focus-in-event or
	focus-out-event signals.  Handle notify signal.

2004-03-11  David Jee  <djee@redhat.com>

	* gnu/java/awt/peer/gtk/GtkCheckboxPeer.java
	(gtkSetLabel): New native method declaration.
	(setLabel): Use gtkSetLabel.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkSetLabel): New method.

2004-03-10  Thomas Fitzsimmons  <fitzsim@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics.java (setColor): Default to
	black when color argument is null.

2004-03-10  Kim Ho  <kho@redhat.com>

	* java/awt/Container.java: Remove check
	for drag events.

2004-03-10  Kim Ho  <kho@redhat.com>

	* java/awt/Container.java: (visitChild):
	Remove candidate clip. Use the component
	clip to intersect.
	* gnu/java/awt/peer/gtk/GtkComponentPeer.java:
	(handleEvent): Use the PaintEvent's clip.

2004-03-10  Kim Ho  <kho@redhat.com>

	* gnu/java/awt/peer/gtk/GtkComponentPeer.java:
	(handleEvent): Don't set the clip for the
	Graphics object.

2004-03-09  Graydon Hoare  <graydon@redhat.com>

	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c:
	Fix double <-> fixed macros, reset font transform.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkClasspathFontPeerMetrics.c:
	Likewise.

2004-03-09�� Kim Ho  <kho@redhat.com>

	* java/awt/Container.java: (visitChild): Move
	the x and y coordinate of the component rectangle
	to correct position.
	(handleEvent): Forward drag events to the pressed
	component.
	* javax/swing/plaf/basic/BasicScrollBarUI.java:
	Fix comments.
	(ArrowButtonListener::mousePressed): Stop the
	existing timer.
	(mouseDragged): Implement.
	(TrackListener::mousePressed): Only react if
	the press doesn't occur on the thumb, otherwise
	just set the offset.
	(TrackListener::mouseReleased): Unset the isAdjusting
	value.
	(createIncreaseIcon): Switch icon.
	(createDecreaseIcon): Switch icon.
	(calculatePreferredSize): Use width.
	(getThumbBounds): Use the top as the lower value.
	(layoutVScrollBar): Switch the button locations.
	(paintIncreaseHighlight): Paint correct side of thumb.
	(paintDecreaseHighlight): ditto.
	(valueForYPosition): Use top as the lower value.
	* javax/swing/plaf/basic/BasicSliderUI.java:
	Fix comments.
	(mouseDragged): Implement.
	(mousePressed): Only react when the thumb isn't
	pressed, otherwise just set offset.
	(mouseReleased): Handle a release of the thumb.
	(scrollDueToClickInTrack): Stop the timer first.
	* javax/swing/JProgressBar.java:
	(setString): Fix change condition.
	* javax/swing/JSeparator.java:
	Remove println's.

2004-03-08  David Jee  <djee@redhat.com>

	* java/awt/image/AffineTransformOp.java:
	(filter): Use Graphics2D interface instead of directly using the
	GdkGraphics2D peer.

2004-03-05  David Jee  <djee@redhat.com>

	* gnu/java/awt/peer/gtk/GtkButtonPeer.java
	(handleEvent): Action events are generated upon MOUSE_RELEASED.
	* java/awt/Container.java
	(acquireComponentForMouseEvent): Fixed.
	(handleEvent): Fixed.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c
	(state_to_awt_mods_with_button_states): New method.
	(pre_event_handler): Fixed mouse event generation.

2004-03-05  Olga Rodimina  <rodimina@redhat.com>

	gnu/java/awt/peer/gtk/GdkGraphics2D.java
	(GdkGraphics2D (BufferedImage)): Initialize
	pixmap associated with specified BufferedImage.
	(setPaint): Changed implementation of Texture
	Paint to use AffineTransformOp.
	* java/awt/image/AffineTransformOp.java
	(createCompatibleDestRaster): Throw RasterFormatException
	if resulting width or height of raster is 0.

2004-03-04  Olga Rodimina  <rodimina@redhat.com>

	* java/awt/image/AffineTransformOp.java:
	Removed unnecessary field interpolationType.
	Formatted some of the lines to be consistent with
	the GNU style.
	(AffineTransformOp): Create new RenderingHints
	containing specified interpolation type.
	(createCompatibleDestImage): Implemented.
	(createCompatibleDestRaster): Implemented.
	(filter): Implemented.
	(getBounds2D(BufferedImage)): Implemented.
	(getBounds2D(Raster)): Implemented.
	(getInterpolationType): Get interpolation value from
	rendering hints.

2004-03-04  David Jee  <djee@redhat.com>

	* gnu/java/awt/peer/gtk/GtkContainerPeer.java
	(setFont): Check if child peers are null.

2004-03-04  Graydon Hoare  <graydon@redhat.com>

	* testsuite/lib/libjava.exp (libjava_find_lib): Don't include
	.libs in -L option.
	(libjava_arguments): Add new libraries to argument list.

2004-03-04  Tom Tromey  <tromey@redhat.com>

	* Makefile.in: Rebuilt.
	* Makefile.am (toolexeclib_LTLIBRARIES): Added lib-java-awt.la,
	lib-javax-swing.la, lib-java-applet.la, lib-java-beans.la.
	(misc_java_source_files): New macro.
	(swing_java_source_files): Likewise.
	(awt_java_source_files): Pruned.
	(applet_java_source_files): New macro.
	(beans_java_source_files): Likewise.
	(lib_java_applet_la_SOURCES): Likewise.
	(lib_java_awt_la_SOURCES): Likewise.
	(lib_javax_swing_la_SOURCES): Likewise.
	(lib_java_beans_la_SOURCES): Likewise.
	(all_java_object_files): Likewise.
	(%.lo: %.java): Use all_java_object_files.
	(all_java_source_files): Added new _SOURCES.
	(ordinary_java_source_files): Removed awt_java_source_files.

2004-03-02  Olga Rodimina  <rodimina@redhat.com>

	* Makefile.am: Added java/awt/image/AffineTransformOp.java
	* Makefile.in: Re-generated.
	* java/awt/image/AffineTransformOp.java: New Class.

2004-03-01  Olga Rodimina  <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java
	(setPaint): Interpret correctly TexturePaint's
	anchor rectangle.
	(drawImage): Fixed scale factors of the affine
	transform.

2004-02-27  David Jee  <djee@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics.java
	(GdkGraphics(Component)): Inherit font from component.
	(drawString): Use font style.
	* gnu/java/awt/peer/gtk/GtkCheckboxPeer.java
	(gtkSetFont): New native method declaration.
	(setFont): New method.
	* gnu/java/awt/peer/gtk/GtkComponentPeer.java
	(gtkSetFont): New native method declaration.
	(setFont): Call new native method gtkSetFont.
	* gnu/java/awt/peer/gtk/GtkContainerPeer.java
	(setFont): For all child components who do not their fonts set,
        set their peers' fonts with this container's font.
	* gnu/java/awt/peer/gtk/GtkLabelPeer.java:
	Move all native method declarations to the top for readability.
	(gtkSetFont): New native method declaration.
	(setFont): New method.
	* java/awt/Component.java
	(setFont): Invalidate after setting the font.
	* java/awt/Container.java
	(invalidateTree): New method.
	(setFont): Invalidate the container tree after setting the font.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c
	(Java_gnu_java_awt_peer_gtk_GdkGraphics_drawString): Use font style.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkCheckboxPeer_gtkSetFont): New method.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkComponentPeer_gtkSetFont): New method.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkLabelPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkLabelPeer_gtkSetFont): New method.

2004-02-27  Olga Rodimina <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java
	(updateBufferedImage): New helper function.
	Updates BufferedImage in memory if it was changed.
	(draw): changed to update BufferedImage in memory after
	this drawing operation
	(fill): Ditto.
	(draw3DRect): Ditto.
	(fill3DRect): Ditto.
	(clearRect): Ditto.
	(drawRaster): Ditto.
	(drawImage) : Ditto. Update only in case of GtkOffScreenImage with
	no affine transformation.
	(drawGlyphVector): Ditto.

2004-02-26  Olga Rodimina <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java
	(isBufferedImageGraphics): New Helper function.
	Returns true if this graphics2d can be used to draw
	into buffered image and false otherwise.
	(updateImagePixels): New Helper function.
	Updates pixels in the BufferedImage.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c
	(getImagePixels): New function. Returns pixels
	of the buffered image associated with
	this Graphics2D.

2004-02-26  David Jee  <djee@redhat.com>

	* java/awt/BorderLayout.java
	(layoutContainer): Fix width and height calculations to ensure
	that they're non-negative.
	* java/awt/Component.java
	(setBackground): If c is null, inherit from closest ancestor whose
	background color is set.

2004-02-26�� Kim Ho�� <kho@redhat.com>

	* Makefile.am: Add new files.
	* Makefile.in: Re-generate.
	* javax/swing/JProgressBar.java:
	(JProgressBar(int, int int)): Throw
	IllegalArgumentException if orientation is
	invalid.
	(JProgressBar(BoundedRangeModel)): Create
	ChangeListener and register it. UpdateUI.
	(getChangeListeners): Implement.
	(setModel): Reset ChangeListener.
	* javax/swing/JScrollBar.java: Implement.
	* javax/swing/JSeparator.java: Implement.
	* javax/swing/JSlider.java:
	(JSlider(int, int, int, int)): Throw
	IllegalArgumentException if orientation
	is invalid.
	(getChangeListeners): Fix method name.
	* javax/swing/SwingUtilities.java:
	(layoutCompoundLabel): If there is no text,
	set the text rectangle dimensions to 0.
	* javax/swing/plaf/basic/BasicButtonUI.java:
	(paint): If there is no text, don't paint it.
	* javax/swing/plaf/basic/BasicScrollBarUI.java:
	Implement.
	* javax/swing/plaf/basic/BasicSeparatorUI.java:
	Implement.
	* javax/swing/plaf/basic/BasicSliderUI.java:
	(propertyChange): If the model changes, change
	the listeners accordingly.

2004-02-25  Graydon Hoare  <graydon@redhat.com>

	* javax/swing/AbstractButton.java: Add "final" qualifiers.
	* javax/swing/JList.java: Reimplement.
	* javax/swing/DefaultListSelectionModel.java: Reimplement.
	* javax/swing/plaf/basic/BasicListUI.java: Reimplement.
	* javax/swing/plaf/basic/BasicLookAndFeel.java: Add "purple" values.
	* javax/swing/ListModel.java: Javadoc.
	* javax/swing/ListSelectionModel.java: Add missing methods.
	* javax/swing/AbstractListModel.java: Javadoc and corrections.
	* javax/swing/DefaultListModel.java: Javadoc and corrections.
	* javax/swing/ListModel.java: Javadoc and corrections.
	* javax/swing/DefaultListCellRenderer.java: Minor tidying.

2004-02-25  David Jee  <djee@redhat.com>

	* gnu/java/awt/peer/gtk/GtkFontPeer.java
	(GtkFontPeer): Change default size to 12.
	* gnu/java/awt/peer/gtk/GtkToolkit.java
	(getFontPeer): Change default size to 12.
	(getClasspathFontPeer): Likewise. Set default name to "Default".
	* java/awt/Font.java
	(Font(Map)): Call Font(String,Map).
	(Font(String,Map)): If attrs is null, initialize it as an empty
	HashMap, which will ensure that the Font will get default attributes.

2004-02-25  David Jee  <djee@redhat.com>

	* gnu/java/awt/peer/gtk/GtkFontPeer.java
	(GtkFontPeer(String,int)): Call the new constructor with size 1.
	(GtkFontPeer(String,int,int)): New constructor with size attribute.
	* gnu/java/awt/peer/gtk/GtkToolkit.java
	(getFontPeer(String,int)): Call the new overload method with size 1.
	(getFontPeer(String,int,int)): New method. Overloaded with size
	attribute.
	(getClasspathFontPeer): Set the size of the font.

2004-02-24  Olga Rodimina  <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java
	(bimage): New field.
	(GdkGraphics2D): New Constructor. Constructs Graphics
	object that can be used to draw into the Buffered Image.
	* gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java:
	(GdkGraphicsEnvironment): Fixed to include public
	keyword.
	(createGraphics): Implemented.
	* gnu/java/awt/peer/gtk/GtkToolkit.java
	(getLocalGraphicsEnvironment): Implemented.
	* java/awt/GraphicsEnvironment.java:
	(getLocalGraphicsEnvironment): Implemented.
	* java/awt/image/BufferedImage.java:
	(createGraphics): Implemented.

2004-02-24  David Jee  <djee@redhat.com>

	* java/awt/Component.java
	(eventTypeEnabled): Add MOUSE_MOVED and MOUSE_DRAGGED event types.
	* java/awt/Container.java
	(addNotifyContainerChildren): Fix event enabling.

2004-02-23  Olga Rodimina  <rodimina@redhat.com>

	* Makefile.am: Added
	gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java
	* Makefile.in: Re-generated.
	* gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java:
	New Class.

2004-02-19  Kim Ho  <kho@redhat.com>

	* Makefile.am: Add BasicProgressBarUI
	* Makefile.in: Regenerate.
	* javax/swing/JProgressBar.java:
	Re-implement.
	* javax/swing/plaf/basic/BasicLookAndFeel.java
	Add constants for JProgressBar.
	* javax/swing/plaf/basic/BasicProgressBarUI.java
	Implement.
	* javax/swing/plaf/basic/BasicSliderUI.java
	Change comments.
	(calculateGeometry): New method
	(paint): Remove unnecessary size calculations.

2004-02-18  Olga Rodimina  <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java
	(drawRaster): Fixed small error that caused
	imageToUser transformation to be set incorrectly.
	(toString): Implemented.

2004-02-18  David Jee  <djee@redhat.com>

	* java/awt/CardLayout.java
	(addLayoutComponent): Show the first component added as the default.
	(removeLayoutComponent): After removing, show the next component.
	(gotoComponent): If there is only one component, show it and return.

2004-02-18  Kim Ho  <kho@redhat.com>

	* javax/swing/JSlider.java: Re-order
	modifiers.
	* javax/swing/JLabel.java: Re-order
	modifiers.
	* javax/swing/JComponent.java:
	(addPropertyChangeListener):
	Implement.
	(removePropertyChangeListener):
	ditto.
	(firePropertyChangeEvent):
	ditto.

2004-02-17  David Jee  <djee@redhat.com>

	* java/awt/Component.java
	(show): Dispatch ComponentEvent via system event queue.
	(hide): Likewise.
	(move): Likewise.
	(resize): Likewise.
	(reshape): Likewise.
	* java/awt/Window.java
	(setBoundsCallback): Likewise.

2004-02-17  David Jee  <djee@redhat.com>

	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkComponentPeer_setNativeBounds):
	Use gtk_widget_set_size_request() instead of the deprecated
	gtk_widget_set_usize().

2004-02-17  Kim Ho  <kho@redhat.com>

	* javax/swing/JSlider.java: Fix comments and
	make property strings constants.
	(createStandardLabels): Use the labels
	preferred size as bounds.
	* javax/swing/plaf/basic/BasicSliderUI.java
	Fix comments.
	(ScrollHandler::actionPerformed): Don't
	calculate the timer stop value. Let the
	MouseListeners find the stop location.
	(getPreferredHorizontalSize): Re-implement.
	(getPreferredVerticalSize): ditto.
	(getMinimumHorizontalSize): ditto.
	(getMinimumVerticalSize): ditto.
	(getPreferredSize): ditto.
	(getMinimumSize): ditto.
	(getMaximumSize): ditto.
	(paintTicks): Use doubles to find the
	tick location.
	(paintHorizontalLabel):�� Use preferredSize
	as initial width and height.
	(paintVerticalLabel): ditto.

2004-02-17  Kim Ho  <kho@redhat.com>

	* javax/swing/JLabel.java: Changed
	property strings to constants.
	(DISPLAYED_MNEMONIC_INDEX_CHANGED_PROPERTY):
	New property.
	(setText): Change mnemonic index if
	text is too short.
	(setDisplayedMnemonicIndex): Fire property
	change event.
	(getDisplayedMnemonicIndex): Remove check
	against short text.

2004-02-17 Olga Rodimina <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java:
	(drawImage(img,xform,obs)): Invert xform before
	passing the xform to cairo.
	(drawImage(img,x,y,bgcolor,obs)): Implemented.
	(drawImage (img,x,y,w,h,bgcolor,obs)): Partly
	implemented.
	(drawImage (img,x,y,w,h,obs)): Implemented.
	(drawImage (img,dx1,dy1,dx2,dy2,sx1,sy1,sx2,sy2,
	bgcolor,obs)): Partly implemented.
	(drawImage (img,dx1,dy1,dx2,dy2,sx1,sy1,sx2,sy2,obs)):
	Implemented.
	* java/awt/image/BufferedImage.java:
	(copyData): if dest is null, create raster with same
	dimensions as the current image.

2004-02-16  Graydon Hoare  <graydon@redhat.com>

	* javax/swing/plaf/basic/BasicLabelUI.java
	(getPreferredSize): Use layoutCL.
	* javax/swing/plaf/basic/BasicGraphicsUtils.java
	(getPreferredButtonSize): Start with empty view rect, layout using
	component's preferred alignment.
	* javax/swing/plaf/basic/BasicLookAndFeel.java: Add some Label and
	List defaults.

2004-02-16  David Jee  <djee@redhat.com>

	* java/awt/Component.java
	(show): Dispatch COMPONENT_SHOWN ComponentEvent.
	(hide): Dispatch COMPONENT_HIDDEN ComponentEvent.
	(move): Erase old bounds and repaint new bounds. Dispatch
	COMPONENT_MOVED ComponentEvent.
	(resize): Erase old bounds and repaint new bounds. Dispatch
	COMPONENT_RESIZED ComponentEvent.
	(reshape): Dispatch COMPONENT_RESIZED and COMPONENT_MOVED
	ComponentEvents.
	* java/awt/Window.java
	(setBoundsCallback): Dispatch COMPONENT_RESIZED and COMPONENT_MOVED
	ComponentEvents.

2004-02-16  Olga Rodimina  <rodimina@redhat.com>

	* gnu/java/awt/peer/gtk/GdkGraphics2D.java:
	(setRenderingHint): Added implementation of
	Interpolation rendering hints.
	(setRenderingHints): Ditto.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c:
	(drawPixels): fixed to allow user to choose type
	of filtering that should be used when displaying images.
	(cairoSurfaceSetFilter): New method. Sets filter type for
	interpolation of pixel values.

2004-02-16  David Jee  <djee@redhat.com>

	* java/awt/GridBagLayout.java
	(calcCellSizes): Rows or columns with zero sizes should still be
	considered for extra space distribution.

2004-02-16  Kim Ho  <kho@redhat.com>

	* javax/swing/JLabel.java: Re-implement.
	* javax/swing/plaf/basic/BasicLabelUI.java
	Re-implement.
	* javax/swing/plaf/basic/BasicLookAndFeel.java:
	Added constant.

2004-02-16�� Kim Ho�� <kho@redhat.com>

	* javax/swing/JSlider.java: Fix indentation and comments.
	(setModel): Remove null check to conform with Sun's.
	(setOrientation): Throw exception if not
	HORIZONTAL or VERTICAL.
	(getInverted): Use private variable instead of
	ComponentOrientation.
	(setInverted): ditto.
	* javax/swing/plaf/basic/BasicSliderUI.java:
	Fix indentation and comments.
	(propertyChange): Remove check for inverted slider, handle
	in main paint.
	(getMinimumSize): Return preferred size.
	(getMaximumSize): ditto.
	(calculateFocusRect): Don't relocate rectangle.
	(drawInverted): Return XOR of the slider's inversion and
	the component's orientation.
	(paint): Update leftToRightCache

2004-02-13  David Jee  <djee@redhat.com>

	* java/awt/GridBagLayout.java
	(GetLayoutInfo): Fix weight and size distribution. Relocate repeated
	code to helper methods.
	(sortBySpan): New helper method.
	(distributeSizeAndWeight): Likewise.
	(calcCellWeights): Likewise.
	(calcCellSizes): Add comments.

2004-02-13  David Jee  <djee@redhat.com>

	* java/awt/Component.java
        (show): Only do something if component is invisible at the moment.
        (hide): Only do something if component is visible at the moment.
        (reshape): If lightweight, erase old bounds and repaint new bounds.

2004-02-13�� Kim Ho�� <kho@redhat.com>

	* Makefile.am: Updated for new file.
	* Makefile.in: Regenerated.
	* javax/swing/JSlider.java: Reimplement.
	* javax/swing/SwingUtilities.java
	(layoutCompoundLabel): Use icon height
	instead of width.
	(paintComponent): Implement.
	* javax/swing/plaf/basic/BasicLookAndFeel.java:
	Add JSlider defaults.
	* javax/swing/plaf/basic/BasicSliderUI.java:
	Implement. New file.

From-SVN: r79607

1 files changed, 367 insertions, 255 deletions

diff --git a/libjava/javax/swing/ScrollPaneLayout.java b/libjava/javax/swing/ScrollPaneLayout.java
index d6cc479..c857358 100644
--- a/libjava/javax/swing/ScrollPaneLayout.java
+++ b/libjava/javax/swing/ScrollPaneLayout.java
@@ -41,9 +41,11 @@ package javax.swing;
 import java.awt.Component;
 import java.awt.Container;
 import java.awt.Dimension;
+import java.awt.Insets;
 import java.awt.LayoutManager;
 import java.awt.Rectangle;
 import java.io.Serializable;
+import javax.swing.border.Border;
 
 /**
  * ScrollPaneLayout
@@ -55,258 +57,368 @@ public class ScrollPaneLayout
 {
   static final long serialVersionUID = -4480022884523193743L;
 
-	//-------------------------------------------------------------
-	// Classes ----------------------------------------------------
-	//-------------------------------------------------------------
-
-	/**
-	 * UIResource
-	 */
-	public static class UIResource extends ScrollPaneLayout 
-			implements javax.swing.plaf.UIResource {
-
-		//-------------------------------------------------------------
-		// Initialization ---------------------------------------------
-		//-------------------------------------------------------------
-
-		/**
-		 * Constructor UIResource
-		 */
-		public UIResource() {
-			// TODO
-		} // UIResource()
-
-
-	} // UIResource
-
-
-	//-------------------------------------------------------------
-	// Variables --------------------------------------------------
-	//-------------------------------------------------------------
-
-	/**
-	 * viewport
-	 */
-	protected JViewport viewport;
-
-	/**
-	 * vsb
-	 */
-	protected JScrollBar vsb;
-
-	/**
-	 * hsb
-	 */
-	protected JScrollBar hsb;
-
-	/**
-	 * rowHead
-	 */
-	protected JViewport rowHead;
-
-	/**
-	 * colHead
-	 */
-	protected JViewport colHead;
-
-	/**
-	 * lowerLeft
-	 */
-	protected Component lowerLeft;
-
-	/**
-	 * lowerRight
-	 */
-	protected Component lowerRight;
-
-	/**
-	 * upperLeft
-	 */
-	protected Component upperLeft;
-
-	/**
-	 * upperRight
-	 */
-	protected Component upperRight;
-
-	/**
-	 * vsbPolicy
-	 */
-	protected int vsbPolicy;
-
-	/**
-	 * hsbPolicy
-	 */
-	protected int hsbPolicy;
-
-
-	//-------------------------------------------------------------
-	// Initialization ---------------------------------------------
-	//-------------------------------------------------------------
-
-	/**
-	 * Constructor ScrollPaneLayout
-	 */
-	public ScrollPaneLayout() {
-		// TODO
-	} // ScrollPaneLayout()
-
-
-	//-------------------------------------------------------------
-	// Methods ----------------------------------------------------
-	//-------------------------------------------------------------
-
-	/**
-	 * syncWithScrollPane
-	 * @param scrollPane TODO
-	 */
-	public void syncWithScrollPane(JScrollPane scrollPane) {
-		// TODO
-	} // syncWithScrollPane()
-
-	/**
-	 * addSingletonComponent
-	 * @param oldComponent TODO
-	 * @param newComponent TODO
-	 * @returns Component
-	 */
-	protected Component addSingletonComponent(Component oldComponent,
-			Component newComponent) {
-		return null; // TODO
-	} // addSingletonComponent()
-
-	/**
-	 * addLayoutComponent
-	 * @param string TODO
-	 * @param component TODO
-	 */
-	public void addLayoutComponent(String string, Component component) {
-		// TODO
-	} // addLayoutComponent()
-
-	/**
-	 * removeLayoutComponent
-	 * @param component TODO
-	 */
-	public void removeLayoutComponent(Component component) {
-		// TODO
-	} // removeLayoutComponent()
-
-	/**
-	 * getVerticalScrollBarPolicy
-	 * @returns int
-	 */
-	public int getVerticalScrollBarPolicy() {
-		return 0; // TODO
-	} // getVerticalScrollBarPolicy()
-
-	/**
-	 * setVerticalScrollBarPolicy
-	 * @param policy TODO
-	 */
-	public void setVerticalScrollBarPolicy(int policy) {
-		// TODO
-	} // setVerticalScrollBarPolicy()
-
-	/**
-	 * getHorizontalScrollBarPolicy
-	 * @returns int
-	 */
-	public int getHorizontalScrollBarPolicy() {
-		return 0; // TODO
-	} // getHorizontalScrollBarPolicy()
-
-	/**
-	 * setHorizontalScrollBarPolicy
-	 * @param policy TODO
-	 */
-	public void setHorizontalScrollBarPolicy(int policy) {
-		// TODO
-	} // setHorizontalScrollBarPolicy()
-
-	/**
-	 * getViewport
-	 * @returns JViewport
-	 */
-	public JViewport getViewport() {
-		return null; // TODO
-	} // getViewport()
-
-	/**
-	 * getHorizontalScrollBar
-	 * @returns JScrollBar
-	 */
-	public JScrollBar getHorizontalScrollBar() {
-		return null; // TODO
-	} // getHorizontalScrollBar()
-
-	/**
-	 * getVerticalScrollBar
-	 * @returns JScrollBar
-	 */
-	public JScrollBar getVerticalScrollBar() {
-		return null; // TODO
-	} // getVerticalScrollBar()
-
-	/**
-	 * getRowHeader
-	 * @returns JViewport
-	 */
-	public JViewport getRowHeader() {
-		return null; // TODO
-	} // getRowHeader()
-
-	/**
-	 * getColumnHeader
-	 * @returns JViewport
-	 */
-	public JViewport getColumnHeader() {
-		return null; // TODO
-	} // getColumnHeader()
-
-	/**
-	 * getCorner
-	 * @param key TODO
-	 * @returns Component
-	 */
-	public Component getCorner(String key) {
-		return null; // TODO
-	} // getCorner()
-
-	/**
-	 * preferredLayoutSize
-	 * @param parent TODO
-	 * @returns Dimension
-	 */
-	public Dimension preferredLayoutSize(Container parent) {
-		return null; // TODO
-	} // preferredLayoutSize()
-
-	/**
-	 * minimumLayoutSize
-	 * @param parent TODO
-	 * @returns Dimension
-	 */
-	public Dimension minimumLayoutSize(Container parent) {
-		return null; // TODO
-	} // minimumLayoutSize()
-
-	/**
-	 * layoutContainer
-	 * @param parent TODO
-	 */
-	public void layoutContainer(Container parent) {
-		// TODO
-	} // layoutContainer()
-
-	/**
-	 * getViewportBorderBounds
-	 * @param value0 TODO
-	 * @returns Rectangle
-	 */
-	public Rectangle getViewportBorderBounds(JScrollPane scrollPane) {
-		return null; // TODO
-	} // getViewportBorderBounds()
-
-
-} // ScrollPaneLayout
+  public static class UIResource extends ScrollPaneLayout 
+    implements javax.swing.plaf.UIResource {
+    public UIResource() {
+    }
+  }
+
+  JViewport viewport;
+  JScrollBar verticalScrollBar;
+  JScrollBar horizontalScrollBar;
+  JViewport rowHeader;
+  JViewport columnHeader;
+  Component lowerLeft;
+  Component lowerRight;
+  Component upperLeft;
+  Component upperRight;
+  int verticalScrollBarPolicy;
+  int horizontalScrollBarPolicy;
+
+  public ScrollPaneLayout() {
+		
+  }
+
+  public void syncWithScrollPane(JScrollPane scrollPane) {
+    viewport = scrollPane.getViewport();
+    verticalScrollBar = scrollPane.getVerticalScrollBar();
+    horizontalScrollBar = scrollPane.getHorizontalScrollBar();
+    verticalScrollBarPolicy = scrollPane.getVerticalScrollBarPolicy();
+    horizontalScrollBarPolicy = scrollPane.getHorizontalScrollBarPolicy();
+    lowerLeft = scrollPane.getCorner(LOWER_LEFT_CORNER);
+    lowerRight = scrollPane.getCorner(LOWER_RIGHT_CORNER);
+    upperLeft = scrollPane.getCorner(UPPER_LEFT_CORNER);
+    upperRight = scrollPane.getCorner(UPPER_RIGHT_CORNER);    
+  }
+
+  protected Component addSingletonComponent(Component oldComponent,
+                                            Component newComponent) {
+    return null;
+  }
+
+  public void addLayoutComponent(String key, Component component) 
+  {
+    if (key == VIEWPORT)
+      viewport = (JViewport) component;
+    else if (key == VERTICAL_SCROLLBAR)
+      verticalScrollBar = (JScrollBar) component;
+    else if (key == HORIZONTAL_SCROLLBAR)
+      horizontalScrollBar = (JScrollBar) component;
+    else if (key == ROW_HEADER)
+      rowHeader = (JViewport) component;
+    else if (key == COLUMN_HEADER)
+      columnHeader = (JViewport) component;
+    else if (key == LOWER_RIGHT_CORNER)
+      lowerRight = component;
+    else if (key == UPPER_RIGHT_CORNER)
+      upperRight = component;
+    else if (key == LOWER_LEFT_CORNER)
+      lowerLeft = component;
+    else if (key == UPPER_LEFT_CORNER)
+      upperLeft = component;
+  }
+
+  public void removeLayoutComponent(Component component) {
+    if (component == viewport)
+      viewport = null;
+    else if (component == verticalScrollBar)
+      verticalScrollBar = null;
+    else if (component == horizontalScrollBar)
+      horizontalScrollBar = null;
+    else if (component == rowHeader)
+      rowHeader = null;
+    else if (component == columnHeader)
+      columnHeader = null;
+    else if (component == lowerRight)
+      lowerRight = null;
+    else if (component == upperRight)
+      upperRight = null;
+    else if (component == lowerLeft)
+      lowerLeft = null;
+    else if (component == upperLeft)
+      upperLeft = null;
+  }
+
+  public int getVerticalScrollBarPolicy() {
+    return verticalScrollBarPolicy;
+  }
+
+  public void setVerticalScrollBarPolicy(int policy) {
+    verticalScrollBarPolicy = policy;
+  }
+
+  public int getHorizontalScrollBarPolicy() {
+    return horizontalScrollBarPolicy;
+  }
+
+  public void setHorizontalScrollBarPolicy(int policy) {
+    horizontalScrollBarPolicy = policy;
+  }
+
+  public JViewport getViewport() {
+    return viewport;
+  }
+
+  public JScrollBar getHorizontalScrollBar() {
+    return horizontalScrollBar;
+  }
+
+  public JScrollBar getVerticalScrollBar() {
+    return verticalScrollBar;
+  }
+
+  public JViewport getRowHeader() {
+    return rowHeader;
+  }
+
+  public JViewport getColumnHeader() {
+    return columnHeader;
+  }
+
+  public Component getCorner(String key) {
+    if (key == LOWER_RIGHT_CORNER)
+      return lowerRight;
+    else if (key == UPPER_RIGHT_CORNER)
+      return upperRight;
+    else if (key == LOWER_LEFT_CORNER)
+      return lowerLeft;
+    else if (key == UPPER_LEFT_CORNER)
+      return upperLeft;
+    return null;
+  }
+
+  public Dimension preferredLayoutSize(Container parent) 
+  {
+    if (parent instanceof JScrollPane)
+      {
+        JScrollPane sc = (JScrollPane) parent;
+        synchronized (sc.getTreeLock ())
+          {
+            Dimension insetsSize = new Dimension(0,0); 
+            Dimension viewportSize = new Dimension(0,0); 
+            Dimension viewportInsetsSize = new Dimension(0,0); 
+            Dimension columnHeaderSize = new Dimension(0,0); 
+            Dimension rowHeaderSize = new Dimension(0,0); 
+            Dimension verticalScrollBarSize = new Dimension(0,0); 
+            Dimension horizontalScrollBarSize = new Dimension(0,0); 
+
+            Insets insets = sc.getInsets();
+            Border viewportBorder = sc.getViewportBorder();
+            Insets viewportInsets = null;
+
+            if (viewportBorder != null)
+              viewportInsets = viewportBorder.getBorderInsets(parent);
+
+            if (insets != null)
+              insetsSize.setSize(insets.left + insets.right,
+                                 insets.top + insets.bottom);
+
+            if (viewport != null)
+              viewportSize.setSize(viewport.getPreferredSize());
+
+            if (columnHeader != null)
+              columnHeaderSize.setSize(columnHeader.getPreferredSize());
+            
+            if (rowHeader != null)
+              rowHeaderSize.setSize(rowHeader.getPreferredSize());
+
+            if (verticalScrollBar != null)
+              verticalScrollBarSize.setSize(verticalScrollBar.getPreferredSize());
+
+            if (horizontalScrollBar != null)
+              horizontalScrollBarSize.setSize(horizontalScrollBar.getPreferredSize());
+            
+            return new Dimension(insetsSize.width 
+                                 + viewportSize.width
+                                 + viewportInsetsSize.width
+                                 + rowHeaderSize.width
+                                 + verticalScrollBarSize.width,
+                                 insetsSize.height
+                                 + viewportSize.height
+                                 + viewportInsetsSize.height
+                                 + columnHeaderSize.height
+                                 + horizontalScrollBarSize.height);
+          }
+      }
+    else
+      {
+        return new Dimension(0,0);
+      }
+  }
+
+  public Dimension minimumLayoutSize(Container parent)
+  {
+    if (parent instanceof JScrollPane)
+      {
+        JScrollPane sc = (JScrollPane) parent;
+        synchronized (sc.getTreeLock ())
+          {
+            Dimension insetsSize = new Dimension(0,0); 
+            Dimension viewportSize = new Dimension(0,0); 
+            Dimension viewportInsetsSize = new Dimension(0,0); 
+            Dimension columnHeaderSize = new Dimension(0,0); 
+            Dimension rowHeaderSize = new Dimension(0,0); 
+            Dimension verticalScrollBarSize = new Dimension(0,0); 
+            Dimension horizontalScrollBarSize = new Dimension(0,0); 
+
+            Insets insets = sc.getInsets();
+            Border viewportBorder = sc.getViewportBorder();
+            Insets viewportInsets = null;
+
+            if (viewportBorder != null)
+              viewportInsets = viewportBorder.getBorderInsets(parent);
+
+            if (insets != null)
+              insetsSize.setSize(insets.left + insets.right,
+                                 insets.top + insets.bottom);
+
+            if (viewport != null)
+              viewportSize.setSize(viewport.getMinimumSize());
+
+            if (columnHeader != null)
+              columnHeaderSize.setSize(columnHeader.getMinimumSize());
+            
+            if (rowHeader != null)
+              rowHeaderSize.setSize(rowHeader.getMinimumSize());
+
+            if (verticalScrollBar != null
+                && verticalScrollBarPolicy != VERTICAL_SCROLLBAR_NEVER)
+              verticalScrollBarSize.setSize(verticalScrollBar.getMinimumSize());
+
+            if (horizontalScrollBar != null 
+                && horizontalScrollBarPolicy != HORIZONTAL_SCROLLBAR_NEVER)
+              horizontalScrollBarSize.setSize(horizontalScrollBar.getMinimumSize());
+            
+            return new Dimension(insetsSize.width 
+                                 + viewportSize.width
+                                 + viewportInsetsSize.width
+                                 + rowHeaderSize.width
+                                 + verticalScrollBarSize.width,
+                                 insetsSize.height
+                                 + viewportSize.height
+                                 + viewportInsetsSize.height
+                                 + columnHeaderSize.height
+                                 + horizontalScrollBarSize.height);
+          }
+      }
+    else
+      {
+        return new Dimension(0,0);
+      }
+  }
+
+  /**
+   *
+   *     +----+--------------------+----+ y1
+   *     | c1 |   column header    | c2 |
+   *     +----+--------------------+----+ y2
+   *     | r  |                    | v  |
+   *     | o  |                    |    |
+   *     | w  |                    | s  |
+   *     |    |                    | r  |
+   *     | h  |                    | o  |
+   *     | e  |      viewport      | l  |
+   *     | a  |                    | l  |
+   *     | d  |                    | b  |
+   *     | e  |                    | a  |
+   *     | r  |                    | r  |
+   *     +----+--------------------+----+ y3
+   *     | c3 |    h scrollbar     | c4 |
+   *     +----+--------------------+----+ y4
+   *    x1   x2                   x3   x4
+   *   
+   */
+
+  public void layoutContainer(Container parent) {
+    if (parent instanceof JScrollPane)
+      {
+        JScrollPane sc = (JScrollPane) parent;
+        synchronized (sc.getTreeLock ())
+          {
+            Rectangle scrollPaneBounds = sc.getBounds();
+            Dimension viewportSize = new Dimension(0,0);
+            Dimension viewSize = new Dimension(0,0);
+            JViewport viewport = sc.getViewport();
+
+            int x1 = 0, x2 = 0, x3 = 0, x4 = 0;
+            int y1 = 0, y2 = 0, y3 = 0, y4 = 0;
+
+            x1 = scrollPaneBounds.x;
+            y1 = scrollPaneBounds.y;
+            x4 = scrollPaneBounds.x + scrollPaneBounds.width;
+            y4 = scrollPaneBounds.y + scrollPaneBounds.height;
+            
+            if (columnHeader != null)
+              y2 = columnHeader.getPreferredSize().height;
+            else
+              y2 = y1;
+
+            if (rowHeader != null)
+              x2 = rowHeader.getPreferredSize().width;
+            else
+              x2 = x1;
+
+            int vsbPolicy = sc.getVerticalScrollBarPolicy();
+            int hsbPolicy = sc.getHorizontalScrollBarPolicy();
+
+            boolean showVsb = 
+              (verticalScrollBar != null)
+              && ((vsbPolicy == VERTICAL_SCROLLBAR_ALWAYS)
+                  || (vsbPolicy == VERTICAL_SCROLLBAR_AS_NEEDED 
+                      && viewSize.height > viewportSize.height));
+
+            boolean showHsb = 
+              (horizontalScrollBar != null)
+              && ((hsbPolicy == HORIZONTAL_SCROLLBAR_ALWAYS)
+                  || (hsbPolicy == HORIZONTAL_SCROLLBAR_AS_NEEDED 
+                      && viewSize.width > viewportSize.width));
+            
+            if (showVsb)
+              x3 = x4 - verticalScrollBar.getPreferredSize().width;
+            else
+              x3 = x4;
+
+            if (showHsb)
+              y3 = y4 - horizontalScrollBar.getPreferredSize().height;
+            else
+              y3 = y4;
+
+            // now set the layout
+
+            if (viewport != null)
+              viewport.setBounds(new Rectangle(x2, y2, x3-x2, y3-y2));
+
+            if (columnHeader != null)
+              columnHeader.setBounds(new Rectangle(x2, y1, x3-x2, y2-y1));
+
+            if (rowHeader != null)
+              rowHeader.setBounds(new Rectangle(x1, y2, x2-x1, y3-y2));
+
+            if (showVsb)
+              verticalScrollBar.setBounds(new Rectangle(x3, y2, x4-x3, y3-y2));
+
+            if (showHsb)
+              horizontalScrollBar.setBounds(new Rectangle(x2, y3, x3-x2, y4-y3));
+
+            if (upperLeft != null)
+              upperLeft.setBounds(new Rectangle(x1, y1, x2-x1, y2-y1));
+
+            if (upperRight != null)
+              upperRight.setBounds(new Rectangle(x3, y1, x4-x3, y2-y1));
+
+            if (lowerLeft != null)
+              lowerLeft.setBounds(new Rectangle(x1, y3, x2-x1, y4-y3));
+
+            if (lowerRight != null)
+              lowerRight.setBounds(new Rectangle(x3, y3, x4-x3, y4-y3));
+
+          }
+      }
+  }
+
+  public Rectangle getViewportBorderBounds(JScrollPane scrollPane) {
+    return null;
+  }
+
+
+}