Merge from layout management branch.

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

src/kits/interface/MenuBar.cpp

@@ -7,9 +7,11 @@
  *		Stefano Ceccherini ([email protected])
  */
 
+#include <MenuBar.h>
+
 #include <Application.h>
 #include <Autolock.h>
-#include <MenuBar.h>
+#include <LayoutUtils.h>
 #include <MenuItem.h>
 #include <Window.h>
 
@@ -297,6 +299,21 @@ BMenuBar::Perform(perform_code d, void *arg)
 }
 
 
+BSize
+BMenuBar::MaxSize()
+{
+	// TODO: cache the result
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(),
+		BSize(B_SIZE_UNLIMITED, height));
+}
+
+
+// #pragma mark -
+
+
 void BMenuBar::_ReservedMenuBar1() {}
 void BMenuBar::_ReservedMenuBar2() {}
 void BMenuBar::_ReservedMenuBar3() {}