14 #import <AppKit/NSWindow.h>    23 - (id) initWithContentRect:(NSRect)rect styleMask:(NSUInteger)styleMask screen:(NSScreen*)screen window:(
CocoaGraphicsWindow*)window;
    24 - (BOOL) canBecomeKeyWindow;
    25 - (BOOL) canBecomeMainWindow;
    26 - (BOOL) acceptsFirstResponder;
    27 - (BOOL) becomeFirstResponder;
    28 - (BOOL) resignFirstResponder;
 
An interface to the Cocoa system for managing OpenGL windows under Mac OS X.