[konqueror] [Bug 500173] Spurious windows while generating HTML preview in Wayland

[Stefano Crocco]

https://bugs.kde.org/show_bug.cgi?id=500173

Stefano Crocco <stefano.crocco at alice.it> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REPORTED                    |CONFIRMED
                 CC|                            |stefano.crocco at alice.it
     Ever confirmed|0                           |1

--- Comment #1 from Stefano Crocco <stefano.crocco at alice.it> ---
Yes, I can confirm that the problem comes from the thumbnailer component of the
WebArchiver plugin. The thumbnailer uses a QWebEngineView to render the html
page on an internal image. Unfortunately, for this to work, the view should be
shown. The trick the plugin uses is to move the view outside the visible area
of the screen (at coordinate 5000 x 5000). This works fine with X11, but it
seems to fail with Wayland. I don't know if this is expected or three's a bug
somewhere. Is this a recent issue? If so, do you remember you had just upgraded
something Qt or Wayland related when it started happening? If this is the case,
then maybe there's a bug in the upgraded software. If it's an older issue, then
I'll need to see whether there's a way to render the web page without showing
the view or if there's some other way to prevent Wayland to show the window.

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