[Webkit-unassigned] [Bug 39625] New: Sending a QInputMethodEvent::Selection event forces the Editor to go into Composition mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=39625

           Summary: Sending a QInputMethodEvent::Selection event forces
                    the Editor to go into Composition mode
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rajiv.ramanasankaran at nokia.com


Sending a QInputMethodEvent::Selection to the Editor causes it to create a
composition even though it was just a selection event.

In QWebPagePrivate::inputMethodEvent(), the code handling the case for a
QInputMethodEvent::Selection checks to see if the preedit text is empty. If it
was empty (which is going to be the case when the text is being selected
normally by the user inside a text control), it copies the text being rendered
and assigns that as the preedit text. This causes the Editor to create a
Composition when it may not be required. This has some side effects and
screws up the internal book-keeping of the base and extent positions inside
Webkit.

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