Class Hierarchy of the Cocoa Text System

In addition to the four principal classes in the text system—NSTextStorage, NSLayoutManager, NSTextContainer, NSTextView—there are a number of auxiliary classes and protocols. The diagrams below give you a more complete picture of the text system. Names between angle brackets, such as <NSCopying>, are protocols.

Here are some other text-system–related classes:

• NSFileWrapper

• NSInputManager

• NSInputServer

• NSFont

• NSFontPanel

• NSFontManager

• NSFontDescriptor

• NSGlyphGenerator

• NSGlyphInfo

• NSGlyphStorage protocol

• NSRulerView

• NSRulerMarker

• NSTextField

• NSSecureTextField

• NSSpellChecker

• NSTextBlock

• NSTextTable

• NSTextTableBlock

• NSTextList

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