Merge from layout management branch.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18649 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/Button.h

@@ -52,6 +52,10 @@ public:
 							BMessage *message,
 							uint32 resizingMode = B_FOLLOW_LEFT | B_FOLLOW_TOP,
 							uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+					BButton(const char* name, const char* label,
+							BMessage *message,
+							uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
+					BButton(const char* label, BMessage *message);
 	
 virtual				~BButton();
 
@@ -92,6 +96,9 @@ virtual BHandler	*ResolveSpecifier(BMessage *message,
 virtual	status_t	GetSupportedSuites(BMessage *message);
 virtual status_t	Perform(perform_code d, void *arg);
 
+virtual	BSize		MaxSize();
+
+
 private:
 	
 virtual	void		_ReservedButton1();