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Part: I Widgets > The Keyboard

Chapter 2. The Keyboard

This chapter describes keyboard and character input, covering topics such as focus, key events, traversal, mnemonics, and accelerators. The intent is to pull together everything you need to know about keyboard handling, rather than distributing it throughout the descriptions of the individual widgets. As such, there will be some forward references to classes, such as MenuItem, that will be covered in more detail later.

Implementing a portable API to provide access to the keyboard across multiple different operating systems is a difficult problem. Even on the same platform, depending on the version of the operating system and the locale, characters can be entered in a variety of ways.


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