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http://bugzilla.suse.com/show_bug.cgi?id=1037891 http://bugzilla.suse.com/show_bug.cgi?id=1037891#c12 Friedrich W. H. Kossebau <kossebau@kde.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo?(kossebau@kde.org) | --- Comment #12 from Friedrich W. H. Kossebau <kossebau@kde.org> --- Hi. Not sure how much I can help, as I also need to look into Qt sources to see which x11 properties are set how and read up on the X11 property info and the window manager data (as linked above) to know what properties need to have which values. But well... so after searching around I find Qt does this with xcb for the WM_CLASS property: https://code.woboq.org/qt5/qtbase/src/plugins/platforms/xcb/qxcbintegration.... Where the m_instanceName seems only set if "-name" argument is passed, see same file. So given the options there by the existing logic, to get "YaST2" instead of "ruby" as first string of the WM_CLASS property, it's either a) relying the caller to pass -name YaST2 b) tricking by some early qputenv("RESOURCE_NAME", "YaST2"); c) twisting the argc passed to qapplication instance to have argc[0] point to "YaST2" You hopefully have an idea what works best in the yast case. Not exactly sure what really should be in the second string of the property, might be less interesting. For getting proper window titles (*WM_NAME property), you might want to use qapp->setApplicationDisplayName() (_Display_), with an argument containing whatever has the module name (e.g. "YaST2 - Software Management") inside: http://doc.qt.io/qt-5/qguiapplication.html#applicationDisplayName-prop That all might still not solve the problem of the not-existing icon property, which seems to be set via _NET_WM_ICON. Without that it's up to window managers/shells to guess some matching icon (which IMHO should ideally be the one referenced in the desktop file, so per module). -- You are receiving this mail because: You are on the CC list for the bug.