> Also, wmctrl accepts window names instead of ids if you omit the -i
> option. In case winfo_id() is not returning the id you need.

Nice. That worked. FWIW, Tk never gave me the very outermost window as the
parent of the tkinter.Tk instance. Here's the start of hierarchy:

% xwininfo -tree

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

xwininfo: Window id: 0x5a0001f "Typing Watcher"

  Root window id: 0x7a2 (the root window) (has no name)
  Parent window id: 0xc73880 (has no name)
     1 child:
     0x5a0001e (has no name): ()  178x126+0+0  +2+43
        1 child:
        0x5a00020 (has no name): ()  178x126+0+0  +2+43
           5 children:
    ...

Tk thought 0x5a0001e was the top, but as you can see 0x5a0001f is the named
window. Calling wmctrl using "Typing Watcher" as the target window did the
trick.

Thanks,

Skip
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