[Accessibility] Secondary Carets needed?

Brian Cragun cragun at us.ibm.com
Thu Feb 18 15:08:19 PST 2010

Hi all,

At first glance, it seems obvious that an AccessibleText would only have 
one Caret.    However I have begun to question whether we will soon need 
an ability to represent at least a second Caret.     Multi-touch 
technologies are allowing users to select with multiple fingers.    For 
example, instead of defining rectangles by a sequential first and a second 
corner selection, rectangles are defined by simultaneous corner 
indications of two fingers.    The two finger motions of pinch and enlarge 
are becoming commonplace in multi-touch interfaces. 

Thus I wonder how long it will be before there is a requirement of text 
selection from simultaneous touching of multiple points, thus creating a 
need for two or more caret references in a linear string of text.

Please excuse me if this is an old topic that has been soundly considered.



Brian Cragun
IBM AbilityLab Consultant
Human Ability & Accessibility Center
www.ibm.com/able & w3.ibm.com/able
W:(720)-663-2801    H:(507)288-2437

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