SVN commit 442363 by lunakl:

Forward port of #108961.



 M  +5 -1      activation.cpp  
 M  +10 -2     events.cpp  
 M  +5 -0      kcmkwin/kwinrules/ruleswidget.cpp  
 M  +1 -0      kcmkwin/kwinrules/ruleswidget.h  
 M  +76 -14    kcmkwin/kwinrules/ruleswidgetbase.ui  
 M  +8 -0      kwinbindings.cpp  
 M  +13 -1     rules.cpp  
 M  +4 -0      rules.h  
 M  +5 -0      tabbox.cpp  
 M  +9 -0      useractions.cpp  
 M  +62 -0     workspace.cpp  
 M  +13 -0     workspace.h