Pickers, Pop-up Views, and Overviews

General-Purpose Pickers

The

protoTextList

picker is a scrollable list of items. The user can scroll the

list by dragging or scrolling with the optional scroll arrows and can choose one
or more items in the list by tapping them. The scrollable list can include shapes
or text. For information about the slots and methods for this picker, see
"protoTextList" (page 5-20) in Newton Programmer's Reference. Figure 6-6
shows an example of a

proto

TextList

.

A

protoTextList

example

The

protoTable

picker is a simple one-column table of text. The user can tap

any item in the list to select it. For information about the slots and methods for
this picker, see "protoTable" (page 5-24) in Newton Programmer's Reference.
Figure 6-7 shows an example of a

proto

TableList

picker.

A

protoTable

example

You define the format of the table using a

protoTableDef

object; see

"protoTableDef" (page 5-27) in Newton Programmer's Reference for
information. You define the format of each row using a

protoTableEntry

object; see "protoTableEntry" (page 5-29) in Newton Programmer's Reference
for information.

Using protoGeneralPopup

6

As with most protos, you create a

protoGeneralPopup

object by using the

NTK palette to draw one in your layout. After creating the object, you should
remove the

context

and

cancelled

slots. The

viewBounds

should be

(0,

0, width, height)

for the box. The

New

method tries to set the bounds

correctly, based on the recommended bounds passed to the call.