Review Request: KWindowSystemEventFilter: methods for installing global event filters

Michael Leupold lemma at
Sun Jul 4 23:09:13 BST 2010

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(Updated 2010-07-04 22:09:12.244217)

Review request for kdelibs.


 * KWindowSystemEventFilter => KSystemEventFilter to avoid confusion
 * Use QWeakPointer
 * QList instead of QSet (should be alright)


This patch moves the installX11EventFilter functionality from inside KApplication to an external KWindowSystemEventFilter namespace. Like this, non-KApplications can use global event filters (and KApplication gets smaller).

The new methods use QAbstractEventDispatcher and are named KWindowSystemEventFilter::installEventFilter and removeEventFilter. They are not meant to be specific to X11 any longer but the current implementation is only concerned with X11 as I don't have another window system to test it with (I provided stubs that could serve as base for an implementation).

Diffs (updated)

  /trunk/KDE/kdelibs/kdeui/CMakeLists.txt 1144879 
  /trunk/KDE/kdelibs/kdeui/kernel/kapplication.h 1144879 
  /trunk/KDE/kdelibs/kdeui/kernel/kapplication.cpp 1144879 
  /trunk/KDE/kdelibs/kdeui/kernel/ksystemeventfilter.h PRE-CREATION 
  /trunk/KDE/kdelibs/kdeui/kernel/ksystemeventfilter.cpp PRE-CREATION 



Too little I fear. I tested it with KColorDialog which uses KApplication::installX11EventFilter for its color picker and it worked fine.

There should be a unit-test for it but I haven't thought of any.



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