Add method declarations and ivars

Headers/AppKit/NSSplitViewItem.h

@@ -26,6 +26,7 @@
 #define _NSSplitViewItem_h_GNUSTEP_GUI_INCLUDE
 
 #import <Foundation/NSObject.h>
+#import <AppKit/AppKitDefines.h>
 
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_10, GS_API_LATEST)
 
@@ -33,10 +34,73 @@
 extern "C" {
 #endif
 
-@interface NSSplitViewItem : NSObject
+enum
+{
+ NSSplitViewItemBehaviorDefault,
+ NSSplibViewItemBehaviorSidebar,
+ NSSplitViewItemBehaviorContentList
+};
+typedef NSInteger NSSplitViewItemBehavior;
 
+enum
+{
+ NSSplitViewItemCollapseBehaviorDefault,
+ NSSplitViewItemCollapseBehaviorPreferResizingSiblingsWithFixedSplitView,
+ NSSplitViewItemCollapseBehaviorPreferResizingSplitViewWithFixedSiblings,
+ NSSplitViewItemCollapseBehaviorUseConstraints
+};
+typedef NSInteger NSSplitViewItemCollapseBehavior;
+
+enum
+{
+ NSTitlebarSeparatorStyleAutomatic,
+ NSTitlebarSeparatorStyleLine,
+ NSTitlebarSeparatorStyleNone,
+ NSTitlebarSeparatorStyleShadow
+};
+typedef NSInteger NSTitlebarSeparatorStyle;
+
+@class NSViewController;
+  
+@interface NSSplitViewItem : NSObject
+{
+  CGFloat _automaticMaximumThickness;
+  CGFloat _preferredThicknessFraction;
+  CGFloat _minimumThickness;
+  CGFloat _maximumThickness;
+  BOOL _sprintLoaded;
+  BOOL _allowsFullHeightLayout;
+  NSTitlebarSeparatorStyle _style;
+  NSViewController *_viewController;
+}
+  
++ (instancetype)contentListWithViewController:(NSViewController *)viewController;
++ (instancetype)sidebarWithViewController:(NSViewController *)viewController;
++ (instancetype)splitViewItemWithViewController:(NSViewController *)viewController;
+
+- (CGFloat) automaticMaximumThickness;
+- (CGFloat) preferredThicknessFraction;
+- (CGFloat) minimumThickness;
+- (CGFloat) maximumThickness;
+
+- (/* NSLayoutPriority */ CGFloat) holdingPriority;
+
+- (BOOL) canCollapse;
+- (NSSplitViewItemCollapseBehavior) collapseBehavior;
+- (BOOL) isSpringLoaded;
+- (void) setSpringLoaded: (BOOL)flag;
+
+- (BOOL) allowsFullHeightLayout;
+- (void) setAllowsFullHeightLayout: (BOOL)flag;
+
+- (NSTitlebarSeparatorStyle) titlebarSeparatorStyle;
+- (void) setTitlebarSeparatorStyle: (NSTitlebarSeparatorStyle)style;
+
+- (NSViewController *) viewController;
 @end
 
+APPKIT_EXPORT const CGFloat NSSplitViewItemUnspecifiedDimension;
+  
 #if	defined(__cplusplus)
 }
 #endif

Source/NSSplitViewController.m

@@ -38,12 +38,12 @@
 
 - (NSSplitViewItem *) splitViewItemForViewController: (NSViewController *)vc
 {
-  FOR_IN(NSSplitViewItem*, svi, _splitViewItems)
+  FOR_IN (NSSplitViewItem*, svi, _splitViewItems)
     if ([svi viewController] == vc)
       {
         return svi;
       }
-  END_FOR_IN(_splitViewItems);
+  END_FOR_IN (_splitViewItems);
   return nil;
 }