Define a custom shortcut for Compiz Window Manager

Karl Auer kauer at
Fri Apr 22 13:36:15 UTC 2016

On Fri, 2016-04-22 at 14:55 +0200, Ralf Mardorf wrote:
> On Fri, 22 Apr 2016 22:48:59 +1000, Karl Auer wrote:
> > In my experiments, wmctrl was perfectly happy with a decimal ID
> > value..
> > .?
> Then you didn't use "wmctrl -l -G" to get the size of the original
> active window. Before you can calculate 75% of the original size, you
> need to know the size. How did you get the size using a decimal
> value?

I read the man pages for xdotool :-)

kauer at kt:~$ xdotool getactivewindow
kauer at kt:~$ xdotool getwindowgeometry --shell 102763394

All values decimal.

So e.g. to set the width of the currently active window to 75% of its
current width:

   WIN=$(xdotool getactivewindow)
   eval $(xdotool getwindowgeometry --shell $WIN)
   WIDTH=$(calc "int($WIDTH*0.75)")
   wmctrl -i -r $WIN -e "0,-1,-1,$WIDTH,-1"

Just seems easier than grepping, cutting, echoing and awking...

I put the above in a file, chmodded it to be executable (probably
unnecessary), used the compiz "Commands" module to bind it to a
command, and it works fine.

Regards, K.

Karl Auer (kauer at

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