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If you can read me, I'm broken!

Views: 1,234     Votes:  2 
Link: 🔍 See Original Answer on Ask Ubuntu ⧉ 🔗


From What causes the deviation in the wmctrl window move command

$ xprop | grep FRAME
_NET_FRAME_EXTENTS(CARDINAL) = 0, 0, 28, 0

Whenever you get a windows position and move it to that same position it shouldn’t move on the screen but it does due to the height of the title bar. So in my case I would need to subtract 28 from the y-coordinate and move to that spot.

Improving performance

You will find the command takes about 10 seconds to run:

$ time xprop | grep FRAME
_NET_FRAME_EXTENTS(CARDINAL) = 0, 0, 28, 0

real    0m9.989s
user    0m0.017s
sys     0m0.004s

This is extraordinary slow. To speed up the search pass a Window ID:

$ time xprop -id $(xdotool getactivewindow) | grep FRAME
_NET_FRAME_EXTENTS(CARDINAL) = 0, 0, 28, 0

real    0m0.012s
user    0m0.011s
sys     0m0.003s

Now it’s only a hundredth of a second, faster than a blinking eye.

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