First-Letter Cursor Navigation

[ ]: Provide first-letter cursor navigation in a selection scope only if the selection scope does not support a keystroke-based mechanism such as mnemonic navigation.

Behavior

[ ]: Skip white spaces that begin a textual label to determine the first character of a textual label used to match an item.

Key Pressing

[ ]: When a user types a printing character in a scope by using first-letter cursor navigation, move the location cursor in the scope to the next item whose textual label starts with that letter.
[ ]: When a user enters a printing character that has no valid match, do not move the location cursor in the selection scope.

With Combination Text-List Controls

[ ]

When a printing character entered into a text-display field that has focus is used for first-letter cursor navigation of an associated list, select the item matched and place its text contents into the text-display field. If there is no valid match, generate a warning signal and do not make any changes to the appearance of the list or text-display field.

[ ]

When a printing character entered into a text-display field that has focus is used for first-letter cursor navigation of an associated list, and the list is not displayed, do one of the following:

If pressing ↓ would display the list, make entering the character display it as well.
Navigate in the list as indicated and select the cursored list item, displaying it in the text field without displaying the list.

First-Letter Cursor Navigation

Technical documentation

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Behavior

Key Pressing

With Combination Text-List Controls