[Okular-devel] [Bug 245375] New: Okular scrolling gets out of sync when embedded in Konqueror

[Davor Cubranic]

https://bugs.kde.org/show_bug.cgi?id=245375

           Summary: Okular scrolling gets out of sync when embedded in
                    Konqueror
           Product: okular
           Version: 0.10.2
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: PDF backend
        AssignedTo: okular-devel at kde.org
        ReportedBy: cubranic at acm.org


Version:           0.10.2 (using KDE 4.4.2) 
OS:                Linux

When scrolling through even a moderately large PDF file in Konqueror, the
embedded Okular frequently gets out of sync. The scrollbar and the page counter
might change, but the page is not redrawn for several (approaching ten)
seconds. This does not seem to happen when the same file is viewed by the
standalone viewer. (E.g.,
http://dirk.eddelbuettel.com/papers/wuMay2010-presentation.pdf)

In the normal operation, when I scroll too fast for the rendering to keep up,
it still advances the page display, but replaces contents with the application
icon until they are available. With this bug, nothing happens in the display
area, and Okular appears completely unresponsive.

This is a new behaviour since Okular with KUbuntu Lucid. I did not run into
this problem with Karmic or earlier.

Reproducible: Didn't try

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