Apple Newton Utilities User's Guide download pdf (Page 318)

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101

CHAPTER 8

Text and Ink Input and Display

8-26 Using Text

Setting the Caret Insertion Point 8

When you application starts up, you might want to establish the insertion point for

keyboard entry in caret insertion writing mode. There are three functions that you

can use for this purpose:

■ to establish the insertion point in an input ﬁeld, use the SetKeyView function,

which is described in “SetKeyView” (page 7-43) in Newton Programmer’s

Reference.

■ to establish the insertion point in an edit view, use the PositionCaret

function, which is described in “PositionCaret” (page 7-49) in Newton

Programmer’s Reference.

■ to establish the insertion point in an edit view or paragraph, you can use the

SetCaretInfo function, which is described in “SetCaretInfo” (page 7-50) in

Newton Programmer’s Reference.

Using Keyboards 8

You can provide the user with on-screen keyboard input in your applications using

the built-in keyboard views. You can also deﬁne new keyboard views and register

them with the system, which will activate caret input when these views are opened.

Keyboard Views 8

There are four different ﬂoating keyboards built into the system root view. Each of

the built-in keyboards can be accessed as a child of the root with a symbol.

To use the full alphanumeric keyboard, which is shown in Figure 8-6, use the

symbol

'alphaKeyboard.

Figure 8-6 The built-in alphanumeric keyboard

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