[Bug 191888] New: Desktop changer (on panel) cannot handle window manager switching (kwin - compiz)

[Tamás Németh]

https://bugs.kde.org/show_bug.cgi?id=191888

           Summary: Desktop changer (on panel) cannot handle window
                    manager switching (kwin - compiz)
           Product: kde
           Version: 4.2.2
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: nice at titanic.nyme.hu


Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    SuSE RPMs

I'm using KDE 4.2.2 with compiz fusion 0.7.8. Compiz is configured as:

Horizontal Virtual Size = 4, Vertical Virtual Size = 1, and your Number of
Desktops = 1

When compiz is selected in KDE system settings as the default window manager,
then it works well, which means the KDE desktop switcher recognizes the four
desktop areas, displays them correctly and I can even change between desktop
with that applet.

However, when I start KDE with kwin as window manager (see the attached
kwin1.jpg), and then replace it with compiz, the KDE won't be able to detect
the count of desktops (see compiz1.jpg). Moreover, when I switch back to kwin
afterwards, KDE desktop switcher even rearranges its layout (see kwin2.jpg).


I found a workaround for the problem: I restart plasma by "killall plasma ;
sleep 2 ; plasma" after switching to compiz, which makes KDE able to detect the
environment correctly. BTW, all versions of KDE (even KDE3) behaved the same
way with all versions of compiz, but in the case of KDE3 it was enough to kill
and restart kicker.

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