* gnu/java/awt/peer/gtk/GdkClasspathFontPeer.java:
	* gnu/java/awt/peer/gtk/GdkGlyphVector.java:
	Predicate static initialization on GtkToolkit.useGraphics2D().
	* java/awt/Component.java (processPaintEvent): Consume event.
	* javax/swing/AbstractButton.java: Reimplement, document.
	* javax/swing/DefaultButtonModel.java: Reimplement, document.
	* javax/swing/JComponent.java (paint): Use double buffer.
	(listenerList): Enable member.
	* javax/swing/ToggleButtonModel.java: Remove incorrect constructor.
	* javax/swing/JToggleButton.java
	(JToggleButton): Modify model constructor.
	* javax/swing/SwingUtilities.java
	(layoutCompoundLabel): Adjust arithmetic.
	* javax/swing/plaf/basic/BasicButtonUI.java: Reimplement, document.
	* javax/swing/plaf/basic/BasicGraphicsUtils.java
	(getPreferredButtonSize): Include margins in calculation.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkWindowPeer_connectSignals):
	Receive up events from subordinate layout component.

From-SVN: r76344