So, adding StartupWMClass=com-drakeet-purewriter-Wwwwwww to desktop file(pure-writer-Pure_Writer.desktop) can fix this problem.
But seems that this file is auto generated(with a Unknown Categories), hope that there is a place to specific startupwmclass key.
Also there is a input method(fcitx5) position problem, same problem like 1 and 2.
From desktop specification :
From askubuntu, WMClass can be got with
xprop WM_CLASS
commandSo, adding
StartupWMClass=com-drakeet-purewriter-Wwwwwww
to desktop file(pure-writer-Pure_Writer.desktop) can fix this problem.But seems that this file is auto generated(with a Unknown Categories), hope that there is a place to specific startupwmclass key.
Also there is a input method(fcitx5) position problem, same problem like 1 and 2.