Диалог с запросом
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besso@edge555  ~/  xprop| rg -i 'WM_|title|caption'
WM_STATE(WM_STATE):
_NET_WM_DESKTOP(CARDINAL) = 3
_NET_WM_USER_TIME(CARDINAL) = 20085872
_NET_WM_STATE(ATOM) = _NET_WM_STATE_ABOVE, _NET_WM_STATE_MODAL, _NET_WM_STATE_STAYS_ON_TOP
WM_TRANSIENT_FOR(WINDOW): window id # 0x3600008
_NET_WM_ICON_NAME(UTF8_STRING) =
WM_NAME(COMPOUND_TEXT) = "KeepassXC — запрос доступа браузером"
_NET_WM_NAME(UTF8_STRING) = "KeepassXC — запрос доступа браузером"
_MOTIF_WM_HINTS(_MOTIF_WM_HINTS) = 0x3, 0x26, 0x1e, 0x0, 0x0
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_DIALOG, _NET_WM_WINDOW_TYPE_NORMAL
WM_CLIENT_LEADER(WINDOW): window id # 0x3600008
WM_HINTS(WM_HINTS):
WM_CLIENT_MACHINE(STRING) = "edge555"
_NET_WM_PID(CARDINAL) = 53908
_NET_WM_SYNC_REQUEST_COUNTER(CARDINAL) = 56623344
WM_CLASS(STRING) = "keepassxc", "KeePassXC"
WM_PROTOCOLS(ATOM): protocols  WM_DELETE_WINDOW, WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_SYNC_REQUEST, _NET_WM_CONTEXT_HELP
WM_NORMAL_HINTS(WM_SIZE_HINTS):

Главное окно
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 besso@edge555  ~/  xprop| rg -i 'WM_|title|caption'
_NET_WM_USER_TIME(CARDINAL) = 19843708
_NET_WM_STATE(ATOM) = _NET_WM_STATE_FOCUSED
WM_STATE(WM_STATE):
_NET_WM_DESKTOP(CARDINAL) = 2
_NET_WM_ICON(CARDINAL) =
_NET_WM_ICON_NAME(UTF8_STRING) =
WM_NAME(STRING) = "Crosslab Database - KeePassXC"
_NET_WM_NAME(UTF8_STRING) = "Secrets Database - KeePassXC"
_MOTIF_WM_HINTS(_MOTIF_WM_HINTS) = 0x3, 0x3e, 0x7e, 0x0, 0x0
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_NORMAL
WM_CLIENT_LEADER(WINDOW): window id # 0x3600008
WM_HINTS(WM_HINTS):
WM_CLIENT_MACHINE(STRING) = "edge555"
_NET_WM_PID(CARDINAL) = 53908
_NET_WM_SYNC_REQUEST_COUNTER(CARDINAL) = 56623111
WM_CLASS(STRING) = "keepassxc", "KeePassXC"
WM_PROTOCOLS(ATOM): protocols  WM_DELETE_WINDOW, WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_SYNC_REQUEST
WM_NORMAL_HINTS(WM_SIZE_HINTS):