* java/awt/BorderLayout.java
	(calcCompSize): Invisible components get zero dimensions.
	* java/awt/Button.java
	(setLabel): Set actionCommand.
	* java/awt/Component.java
	(show): Invalidate component and parent container.
	(hide): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@77613 138bc75d-0d04-0410-961f-82ee72b054a4