This is one of the three classes that makes up Cocoa's document-based application architecture; the other two classes are NSDocument and NSDocumentController. Instances of NSWindowController are responsible for managing a single window for a document. NSWindowController has a close relationship with windows contained in nib files, which is evident in the initializer initWithWindowNibName:. This initializer will load the window in the nib and take ownership over it. See Chapter 3 for more information on NSWindowController and its role in document-based applications.

@interface NSWindowController : NSResponder <NSCoding>
// Initializers
- (id)initWithWindow:(NSWindow *)window;
- (id)initWithWindowNibName:(NSString *)windowNibName;
- (id)initWithWindowNibName:(NSString *)windowNibName owner:(id)owner;
- (id)initWithWindowNibPath:(NSString *)windowNibPath owner:(id)owner;
// Accessor Methods
- (void)setWindowFrameAutosaveName:(NSString *)name;
- (NSString *)windowFrameAutosaveName;
- (void)setWindow:(NSWindow *)window;
- (NSWindow *)window;
- (void)setDocumentEdited:(BOOL)dirtyFlag;
- (void)setShouldCloseDocument:(BOOL)flag;
- (BOOL)shouldCloseDocument;
- (void)setDocument:(NSDocument *)document;
- (id)document;
- (void)setShouldCascadeWindows:(BOOL)flag;
- (BOOL)shouldCascadeWindows;
// Instance Methods
- (void)close;
- (BOOL)isWindowLoaded;
- (void)loadWindow;
- (id)owner;
- (IBAction)showWindow:(id)sender;
- (void)synchronizeWindowTitleWithDocumentName;
- (void)windowDidLoad;
- (NSString *)windowNibName;
- (NSString *)windowNibPath;
- (NSString *)windowTitleForDocumentDisplayName:(NSString *)displayName;
- (void)windowWillLoad;
// Methods Implementing NSCoding
- (void)encodeWithCoder:(NSCoder *)aCoder;
- (id)initWithCoder:(NSCoder *)aDecoder;