https://bugs.kde.org/show_bug.cgi?id=375581
Bug ID: 375581
Summary: netwm-spec: _NET_WM_STATE should be removed when
window is withdrawn, but kwin clears it
Product: kwin
Version: 5.8.5
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: compatibility
Assignee: kwin-bugs-n...@kde.org
Reporter: tho...@sondergaard.cc
Target Milestone: ---
When a window is withdrawn kwin (5.8.5) removes the WM_STATE property and
clears _NET_WM_STATE. The netwm spec says this about _NET_WM_STATE:
"The Window Manager should remove the property whenever a window is withdrawn,
but it should leave the property in place when it is shutting down, e.g. in
response to losing ownership of the WM_Sn manager selection."
Due to this, applications/toolkits have to be careful about dealing
_NET_WM_STATE property updates for withdrawn windows.
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