[Webkit-unassigned] [Bug 29435] New: [Qt] SqueezeLabel::paintEvent() is CPU intensive when the text is elided

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29435

           Summary: [Qt] SqueezeLabel::paintEvent() is CPU intensive when
                    the text is elided
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: Qt
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: vestbo at webkit.org


This bug report originated from issue QTBUG-3502
<http://bugreports.qt.nokia.com/browse/QTBUG-3502>

--- Description ---

In Qt Demo Browser, if you go on any website and you try to download a
"Long Named File" e.g.

test_test_test_test_test_test_test_test_test_test_test_test_test_test_test_test_test_test_test_test_test.zip

When the download Window opens and the download starts open task Manager and
check the CPU usage, the download Window is eating up all CPU resources.  On a
normal Processor, the CPU usage will go up to 99%-100%, on a dual core
processor, the CPU usage will go up to 49% - 50%

If the download window is resized to be able to fit the name fully on the
screen, the CPU usage drops down to zero.

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