Review Request 112185: Fix KManagerSelection and re-enable unit test

[Martin Gräßlin]

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http://git.reviewboard.kde.org/r/112185/
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Review request for KDE Frameworks and David Faure.


Description
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Re-enable unit test for kmanagerselection

The testLostOwnership is set to expected fail as that one used
X event queue functionality not available in XCB.

The other tests are working.

Always emit the claimedOwnership() signal if we have the selection

There was a logical error introduced during the porting to XCB. There
is no requirement for the old owner to destroy its selection window.
Which means we should not emit the failed signal if the window has not
been destroyed in time.

This is especially important for the situation that another Selection
Owner of the same X client takes over as the SelectionClear event is
not delivered in that case and thus the destroy never happens and the
new owner thinking it failed.

The timer is in fact only relevant for the case that the kill option
is set. We want to give the old owner the time to clean up itself
instead of forcefully killing (e.g. window manager --replace).

Filter out events only relevant to the KSelectionOwner

No need to pass the events about the selections we are monitoring to Qt.

Ensure the KSelectionOwner destroys its window in the dtor

Release() might not destroy the window, so better make sure that
the window gets destroyed.

Re-add code for client message handling in KSelectionWatcher

While the code looks like being no-op, it is in fact not, because in
one path it calls owner() which might update the selection owner and
emits newOwner signal. Updating the owner information has to happen
in response to handling the client message.

Need to declare metatype for xcb_window_t

This fixes not delivered signals - e.g. newOwner.


Diffs
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  tier1/kwindowsystem/autotests/CMakeLists.txt 614b852 
  tier1/kwindowsystem/autotests/kmanagerselectiontest.h 15858dc 
  tier1/kwindowsystem/autotests/kmanagerselectiontest.cpp 887cb3f 
  tier1/kwindowsystem/src/kmanagerselection.h 8df8ead 
  tier1/kwindowsystem/src/kmanagerselection.cpp d7453c8 

Diff: http://git.reviewboard.kde.org/r/112185/diff/


Testing
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Thanks,

Martin Gräßlin

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