[Bug 189470] New: "Invert" effect does not work for full screen applications

[Claus Appel]

https://bugs.kde.org/show_bug.cgi?id=189470

           Summary: "Invert" effect does not work for full screen
                    applications
           Product: kde
           Version: 4.2.1
          Platform: Fedora RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: spectrumdt at gmail.com


Version:            (using KDE 4.2.1)
OS:                Linux
Installed from:    Fedora RPMs

This bug report pertains to the "Invert" effect (program version: 0.2.0) that
is accessible under System Settings -> Desktop Effects -> All Effects ->
Accessibility -> Invert. (I could not find it in the list of applications.
Someone please move this report to the relevant subsection.)

The problem is this: It does not work for fullscreen applications. 

Examples include the programs Okular and Gwenview. Invert works fine when these
programs run in windowed mode, but if you switch to full screen view, Invert
now does nothing (regardless of whether I am using Invert only for the window
or for all windows). 

However, if I have the full-screen application placed BELOW the KDE task bar,
Invert works fine. (This can be achieved by hopping from your full-screen
application to another desktop/workspace, clicking the taskbar, and hopping
back to the desktop/workspace containing the full-screen application.)

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