[Webkit-unassigned] [Bug 117431] New: REGRESSION(r143560): Listbox select dispatches a change event by clicking its scrollbar

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=117431

           Summary: REGRESSION(r143560): Listbox select dispatches a
                    change event by clicking its scrollbar
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: P1
         Component: Forms
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tkent at chromium.org


Steps to reproduce:
1. open the following URL
data:text/html,<select name="test" id="test" multiple onchange="alert('change');"> <option value="1">Option 1</option> <option value="2">Option 2</option> <option value="3">Option 3</option> <option value="4">Option 4</option> <option value="5">Option 5</option> <option value="6">Option 6</option> <option value="7">Option 7</option> </select>
2. click on the scrollbar to show Option 5+.

Expected:
The listbox scrolls the content.

Actual:
The listbox scrolls the content, and 'change' event is dispatched even though selection state is not changed.



https://code.google.com/p/chromium/issues/detail?id=244406

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