Apple Desktop Computer - Page 32

CHAPTER 3
Devices and Ports
32 Keyboard
Keyboard 3
The Apple USB keyboard has a total of 82 keys, including 12 function keys, a
numeric keypad and a set of 4 cursor-control keys. The cursor-control keys are
in the inverted-T arrangement.
Keyboard Layout 3
There are versions of the Apple USB keyboard with different key layouts for
three standards used in different parts of the world: ANSI (US and North
America), JIS (Japan), and ISO (Europe). Figure 3-2 shows the keyboard layout
for the ANSI keyboard. Applications can determine which keyboard is
connected by calling the Gestalt Manager and checking for the corresponding
value of the gestaltKeyboardType selector:
■ gestaltUSBCosmoANSIKbd (value = 198)
■ gestaltUSBCosmoJISKbd (value = 200)
■ gestaltUSBCosmoISOKbd (value = 199)
Figure 3-2 ANSI keyboard layout
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