Add 10.7 methods and add next/prev row selected ivars

Headers/AppKit/NSTableRowView.h

@@ -56,6 +56,9 @@ extern "C" {
 
   // Overriding row view display characteristics...
   NSColor *_backgroundColor;
+
+  BOOL _nextRowSelected;
+  BOOL _previousRowSelected;
 }
 
 - (BOOL) isEmphasized;

Headers/AppKit/NSTableView.h

@@ -411,6 +411,8 @@ APPKIT_EXPORT_CLASS
 - (void) removeRowsAtIndexes: (NSIndexSet*)indexes withAnimation: (NSTableViewAnimationOptions)animationOptions;
 - (NSInteger) rowForView: (NSView*)view;
 - (NSView *) makeViewWithIdentifier: (NSUserInterfaceItemIdentifier)identifier owner: (id)owner;
+- (NSTableRowView *) rowViewAtRow: (NSInteger)row makeIfNecessary: (BOOL)flag;
+- (NSView *) viewAtColumn: (NSInteger)column row: (NSInteger)row makeIfNecessary: (BOOL)flag;
 #endif
 
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_8, GS_API_LATEST)

Source/NSTableRowView.m

@@ -149,20 +149,22 @@
 
 - (BOOL) isNextRowSelected
 {
-  return NO;
+  return _nextRowSelected;
 }
 
 - (void) setNextRowSelected: (BOOL)flag
 {
+  _nextRowSelected = flag;
 }
 
 - (BOOL) isPreviousRowSelected
 {
-  return NO;
+  return _previousRowSelected;
 }
 
 - (void) setPreviousRowSelected: (BOOL)flag
 {
+  _previousRowSelected = flag;
 }
 
 @end

Source/NSTableView.m

@@ -6940,6 +6940,16 @@ For a more detailed explanation, -setSortDescriptors:. */
   return view;
 }
 
+- (NSTableRowView *) rowViewAtRow: (NSInteger)row makeIfNecessary: (BOOL)flag
+{
+  return nil;
+}
+
+- (NSView *) viewAtColumn: (NSInteger)column row: (NSInteger)row makeIfNecessary: (BOOL)flag
+{
+  return nil;
+}
+
 - (void) registerNib: (NSNib *)nib
        forIdentifier: (NSUserInterfaceItemIdentifier)identifier
 {