jwmsession

$ xwininfo -all

xwininfo: Please select the window about which you
          would like information by clicking the
          mouse in that window.

xwininfo: Window id: 0x2000002 "JWMSession"

  Root window id: 0x497 (the root window) (has no name)
  Parent window id: 0x43ef9d (has no name)
     1 child:
     0x200000e (has no name): ()  1x1+-1+-1  +49+49

  Absolute upper-left X:  50
  Absolute upper-left Y:  50
  Relative upper-left X:  2
  Relative upper-left Y:  19
  Width: 460
  Height: 200
  Depth: 24
  Visual: 0x21
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x20 (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:  +50+50  -856+50  -856-518  +50-518
  -geometry 460x200+50+50

  Bit gravity: NorthWestGravity
  Window gravity: NorthWestGravity
  Backing-store hint: NotUseful
  Backing-planes to be preserved: 0xffffffff
  Backing pixel: 0
  Save-unders: No

  Someone wants these events:
      KeyPress
      KeyRelease
      ButtonPress
      ButtonRelease
      EnterWindow
      LeaveWindow
      PointerMotion
      ButtonMotion
      KeymapState
      Exposure
      StructureNotify
      FocusChange
      PropertyChange
      ColormapChange
  Do not propagate these events:
      KeyPress
      KeyRelease
      ButtonPress
      ButtonRelease
      PointerMotion
  Override redirection?: No

  Window manager hints:
      Client accepts input or input focus: Yes
      Initial state is Normal State
      Displayed on desktop 0
      Window type:
          Normal
      Process id: 7753 on host manjaro-jwm
      Frame extents: 2, 2, 19, 2

  Normal window size hints:
      User supplied location: 50, 50
      Program supplied location: 50, 50
      User supplied size: 460 by 200
      Program supplied size: 460 by 200
      Program supplied window gravity: StaticGravity
  No zoom window size hints defined

  No window shape defined
  No border shape defined