1 files changed, 43 insertions, 0 deletions
diff --git a/Source/SPWindowController.m b/Source/SPWindowController.m
index c6400c96..b68a4668 100644
--- a/Source/SPWindowController.m
+++ b/Source/SPWindowController.m
@@ -152,6 +152,40 @@
 }
 
 /**
+ * Select next tab.
+ */
+- (IBAction)selectNextDocumentTab:(id)sender
+{
+	[tabView selectNextTabViewItem:nil];
+}
+
+/**
+ * Select previous tab.
+ */
+- (IBAction)selectPreviousDocumentTab:(id)sender
+{
+	[tabView selectPreviousTabViewItem:nil];
+}
+
+/**
+ * Menu validation
+ */
+- (BOOL)validateMenuItem:(NSMenuItem *)menuItem
+{
+	// Select Previous Tab
+	if ([menuItem action] == @selector(selectPreviousDocumentTab:)) {
+		return ([tabView numberOfTabViewItems] && [tabView indexOfTabViewItem:[tabView selectedTabViewItem]]);
+	}
+	
+	// Select Next Tab
+	if ([menuItem action] == @selector(selectNextDocumentTab:)) {
+		return ([tabView numberOfTabViewItems] && [tabView indexOfTabViewItem:[tabView selectedTabViewItem]]<[tabView numberOfTabViewItems]-1);
+	}
+	
+	return YES;
+}
+
+/**
  * Retrieve the documents associated with this window.
  */
 - (NSArray *)documents
@@ -241,6 +275,15 @@
 	}
 }
 
+/**
+ * Show tooltip for a tab view item.
+ */
+- (NSString *)tabView:(NSTabView *)aTabView toolTipForTabViewItem:(NSTabViewItem *)tabViewItem
+{
+	// Not yet implemented
+	return @"";
+}
+
 - (void)tabView:(NSTabView *)aTabView closeWindowForLastTabViewItem:(NSTabViewItem *)tabViewItem
 {
 	[[aTabView window] close];