[Differential] [Commented On] D4600: TaskManager: add icon to cache after painfully querying it over XCB/NETWM.

[David Faure]

dfaure added a comment.


  Looking at the code in qxcbintegration.cpp, it seems that WM_CLASS is in fact derived from
  
  1. -name xcb-specific commandline argument, let's ignore that
  2. $RESOURCE_NAME env var, no idea what that is, let's ignore that
  3. the basename of argv[0], i.e. the name of the executable. kmail's executable is called kmail.
  
  This is then followed by QCoreApplication::applicationName which is indeed "kmail2".
  
  So we end up with WM_CLASS(STRING) = "kmail", "kmail2", as confirmed by xprop.
  
  I notice that e.g. firefox has WM_CLASS(STRING) = "Navigator", "Firefox". So the second string is the one that matters?

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D4600

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To: dfaure, hein
Cc: plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol
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