Cascading menus change growth dirction (right or left) when we hit the...

chrome/browser/cocoa/bookmark_bar_folder_controller.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/bookmark_button.h"
 
 @class BookmarkBarController;
@@ skipping 49 matching lines @@
   // The scroll view that contains our main button view (below).
   IBOutlet NSScrollView* scrollView_;
 
   // Are we scrollable?  If no, the full contents of the folder are
   // always visible.
   BOOL scrollable_;
 
   BOOL scrollUpArrowShown_;
   BOOL scrollDownArrowShown_;
 
+  // YES if subfolders should grow to the right (the default).
+  // Direction switches if we'd grow off the screen.
+  BOOL subFolderGrowthToRight_;
+
   // The main view of this window (where the buttons go).
   IBOutlet BookmarkBarFolderView* mainView_;
 
   // Weak; we keep track to work around a
   // setShowsBorderOnlyWhileMouseInside bug.
   BookmarkButton* buttonThatMouseIsIn_;
 
   // The context menu for a bookmark button which represents an URL.
   IBOutlet NSMenu* buttonMenu_;
 
@@ skipping 65 matching lines @@
 - (IBAction)addPage:(id)sender;
 - (IBAction)editBookmark:(id)sender;
 - (IBAction)openBookmark:(id)sender;
 - (IBAction)openAllBookmarks:(id)sender;
 - (IBAction)openAllBookmarksIncognitoWindow:(id)sender;
 - (IBAction)openAllBookmarksNewWindow:(id)sender;
 - (IBAction)openBookmarkInIncognitoWindow:(id)sender;
 - (IBAction)openBookmarkInNewForegroundTab:(id)sender;
 - (IBAction)openBookmarkInNewWindow:(id)sender;
 
+@property (assign, nonatomic) BOOL subFolderGrowthToRight;
+
 @end
 
 @interface BookmarkBarFolderController(TestingAPI)
 - (NSView*)mainView;
-- (NSPoint)windowTopLeft;
+- (NSPoint)windowTopLeftForWidth:(int)windowWidth;
 - (NSArray*)buttons;
 - (BookmarkBarFolderController*)folderController;
 - (id)folderTarget;
 - (void)configureWindowLevel;
 - (void)performOneScroll:(CGFloat)delta;
 // Set to YES in order to prevent animations.
 - (void)setIgnoreAnimations:(BOOL)ignore;
 
 // Return YES if we can scroll up or down.
 - (BOOL)canScrollUp;
 - (BOOL)canScrollDown;
 // Return YES if the scrollable_ flag has been set.
 - (BOOL)scrollable;
 
 - (BookmarkButton*)buttonForDroppingOnAtPoint:(NSPoint)point;
 @end