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CHAPTER 4
Pickers
List Pickers 4-3
A list picker does not include a title because the picker’s context should
make its purpose clear. The picker may contain scroll arrows, a Close box,
and other controls as described in “Using a List Picker” on page 4-9.
Check Marks 4
A check mark (✔) has special meaning in a list picker. In a picker that lists
attributes, values, or states, a check mark indicates which picker item is in
effect. A check mark is not used in a list of commands because no command
is in effect until the user picks one. Also, check marks are not shown for
picker items with an icon.
Icons 4
Icons are completely optional in list pickers; in fact, there are several reasons
to avoid them. Use icons to clarify and distinguish the wording of picker items,
but not purely for decoration. For a discussion of the pros and cons of icons
in list pickers, see “Icons in a Picker” on page 5-12.
Item Names 4
In a list picker, use one word for item names when possible, and capitalize it.
When you must use more than one word, you should generally capitalize
just the first word. You can capitalize differently if it makes sense in a
particular context. For example, the items in the Date Book’s Show picker are
titles of views and are capitalized like book titles. If the text of a picker item
ends a sentence begun by a picker label, you should capitalize the label like a
sentence and not capitalize the picker items at all (except for proper nouns).
The Find slip’s Look For picker is an example of sentence capitalization.
Avoid punctuation and symbols in list pickers. Except for very common
symbols such as an ampersand (&), users find symbols ambiguous. In parti-
cular, do not put an ellipsis (...) at the end of a picker item that will bring up
a slip. Unlike menus on personal computers, Newton pickers do not use an
ellipsis or any other symbol to indicate a command that will need more
information from the user.