[Webkit-unassigned] [Bug 13024] New: REGRESSION: scrolling a listbox sometimes scrolls the listbox, mostly scrolls the page

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=13024

           Summary: REGRESSION: scrolling a listbox sometimes scrolls the
                    listbox, mostly scrolls the page
           Product: WebKit
           Version: 522+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P1
         Component: Forms
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alice.liu at apple.com
                CC: adele at apple.com


* SUMMARY
I'm noticing that scrolling a listbox when trying to book a flight at
southwest.com was not scrolling the listbox as smoothly as it should. With
2-finger scrolling, it was mostly incorrect in that it scrolled the page
instead of the listbox, and only sometimes scrolled the listbox.  With a mighty
mouse, doing a fast scroll was easier and mostly if you do a fast scroll then
the listbox gets scrolled, but do it slowly and the page gets scrolled.

* STEPS TO REPRODUCE
0. try this with a laptop - it will reproduce easily
1. open testcase.  
2. use 2-finger scrolling to scroll any of the listboxes on that page

->result: the page is scrolled instead
3. use a mighty mouse, and slowly scroll the listboxes
->result: the page is scrolled instead
4. use a mighty mouse, and quickly scroll the listboxes
->result: the listbox is scrolled as expected

* REGRESSION
yes this is a regression from shipping safari behavior


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