looks like the name of the top window is "Desktop" in comment 10 instead of the name of the "real" "always on top" window.
(gdb) print GetWindowName(GetTopMostValidWindowInViewport()) $11 = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1d4d228 "Desktop"}} NEXT: Which window does has the name "Desktop"? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1131385 Title: "Always on top" prevents application spread from working To manage notifications about this bug go to: https://bugs.launchpad.net/ayatana-design/+bug/1131385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs