[Webkit-unassigned] [Bug 108614] New: [Qt] Incorrect FontPlatformDataCacheKey impl. causes text selection wrong

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=108614

           Summary: [Qt] Incorrect FontPlatformDataCacheKey impl. causes
                    text selection wrong
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: chenzx at cn.fujitsu.com


Created an attachment (id=186007)
 --> (https://bugs.webkit.org/attachment.cgi?id=186007&action=review)
Test case for this bug

Load the testcase.html using Qt-4.8.4 demos/browser,
And double click on text "xy", you will see "small" is wrongly selected highlighted.

Reason:
FontPlatformDataCacheKey doesn't contain m_smallCaps field, resulting in 2 RenderText elements sharing the same QFontPrivate objects.

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