xprop
_NET_WM_ICON_GEOMETRY(CARDINAL) = 310, 1394, 52, 44
_NET_WM_ALLOWED_ACTIONS(ATOM) = _NET_WM_ACTION_MOVE, _NET_WM_ACTION_RESIZE, _NET_WM_ACTION_MINIMIZE, _NET_WM_ACTION_SHADE, _NET_WM_ACTION_MAXIMIZE_VERT, _NET_WM_ACTION_MAXIMIZE_HORZ, _NET_WM_ACTION_FULLSCREEN, _NET_WM_ACTION_CHANGE_DESKTOP, _NET_WM_ACTION_CLOSE
_KDE_NET_WM_FRAME_STRUT(CARDINAL) = 4, 4, 29, 4
_NET_FRAME_EXTENTS(CARDINAL) = 4, 4, 29, 4
_NET_WM_DESKTOP(CARDINAL) = 0
_KDE_NET_WM_ACTIVITIES(STRING) = "b14aaa63-a8ab-4587-8cd1-69bed628a023"
WM_STATE(WM_STATE):
                window state: Normal
                icon window: 0x0
_NET_WM_STATE(ATOM) =
WM_HINTS(WM_HINTS):
                Client accepts input or input focus: True
                Initial state is Normal State.
                bitmap id # to use for icon: 0x4e000e1
                bitmap id # of mask for icon: 0x4e000e7
                window id # of group leader: 0x4e00001
_GTK_THEME_VARIANT(UTF8_STRING) = "dark"
_GTK_UNIQUE_BUS_NAME(UTF8_STRING) = ":1.58"
_GTK_APPLICATION_OBJECT_PATH(UTF8_STRING) = "/org/libreoffice"
_GTK_WINDOW_OBJECT_PATH(UTF8_STRING) = "/org/libreoffice/window/81788964"
_GTK_MENUBAR_OBJECT_PATH(UTF8_STRING) = "/org/libreoffice/window/81788964/menus/menubar"
_GTK_APP_MENU_OBJECT_PATH(UTF8_STRING) = "/org/libreoffice/menus/appmenu"
_GTK_APPLICATION_ID(UTF8_STRING) = "org.libreoffice"
_NET_WM_ICON(CARDINAL) =        Icon (48 x 48):

_KDE_NET_WM_USER_CREATION_TIME(CARDINAL) = 140045
XdndAware(ATOM) = BITMAP
_NET_WM_OPAQUE_REGION(CARDINAL) = 3, 0, 1677, 3, 0, 3, 1683, 1140
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_NORMAL
_NET_WM_SYNC_REQUEST_COUNTER(CARDINAL) = 81788966, 81788967
_NET_WM_USER_TIME(CARDINAL) = 138733
_NET_WM_USER_TIME_WINDOW(WINDOW): window id # 0x4e00025
WM_CLIENT_LEADER(WINDOW): window id # 0x4e00001
_NET_WM_PID(CARDINAL) = 1709
WM_LOCALE_NAME(STRING) = "de_DE.UTF-8"
WM_CLIENT_MACHINE(STRING) = "USER-linux"
WM_NORMAL_HINTS(WM_SIZE_HINTS):
                program specified minimum size: 598 by 27
                program specified base size: 0 by 0
                window gravity: Static
WM_PROTOCOLS(ATOM): protocols  WM_DELETE_WINDOW, WM_TAKE_FOCUS, _NET_WM_PING, _NET_WM_SYNC_REQUEST
WM_CLASS(STRING) = "libreoffice", "libreoffice-writer"
WM_ICON_NAME(STRING) = "document1 - LibreOffice Writer"
_NET_WM_ICON_NAME(UTF8_STRING) = "document1 - LibreOffice Writer"
WM_NAME(STRING) = "document1 - LibreOffice Writer"
_NET_WM_NAME(UTF8_STRING) = "document1 - LibreOffice Writer"

xwininfo: Window id: 0x4e00024 "document1 - LibreOffice Writer"

  Absolute upper-left X:  164
  Absolute upper-left Y:  95
  Relative upper-left X:  0
  Relative upper-left Y:  0
  Width: 1683
  Height: 1143
  Depth: 24
  Visual: 0x2b
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x4e00002 (not installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +164+95  -713+95  -713-202  +164-202
  -geometry 1683x1143+164+95