[Webkit-unassigned] [Bug 28862] [Qt][API] Add a new QGraphicsWidget based version of the "QWebView"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=28862





--- Comment #19 from Kenneth Rohde Christiansen <kenneth.christiansen at openbossa.org>  2009-09-07 11:11:02 PDT ---

> we were getting viewport doabled updated in scroll events. That is the way
> Kenneth found to avoid that. i will let to kenneth a more detailed answer here,
> if needed.

Actually the problem is that it is doing implicit updates whenever someone sets
the view on the page. For instance if someone does that with the viewport of
the graphicsview it will receive wrong updates, and scrolling will be very
broken. I do not think it is desirable to let the user be able to do so, so I
restricted the *implicit* updates to the QWebPage. That seemed like the right
thing to do.

Earlier I had another patch allowing the QWebGrapicsItem to privately disable
implicit updates.

Any reason you want to allow implicit paints on other kind of view than
QWebPage? If so that should definately be documented in the setView method.

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