Created attachment 4628 $ xwininfo -all -tree -name xfce4-panel >/tmp/xwininfo.log Each plugin should be shown with its own name for xwininfo command. I guess only the "wrapper" registers mostly with its name as the embedding window. The attachment is a sample output of xwininfo for my system.
As it turned out, the command 'ps xc' returns the right process names like "panel-%d-%s", where %d is a unique id that is also an argument to the wrapper executable and %s the plugin name. The complete length is truncated to a maximum of 15+1 bytes (an invisible zero byte is at the string end). See documenation for the call prctl(PR_SET_NAME, ...). http://manpages.courier-mta.org/htmlman2/prctl.2.html In contrast, with the command 'ps x', you get the full command line with "wrapper" as the executable name. The command 'xwininfo -tree' seems to use alwayws the executable name ("wrapper"), the same counts for the xprop command. Finally, I am confused what component to blame. Maybe xfwm4 can fix that.
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