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I have an HDMI monitor which I unplug and plug back into my laptop from time to time. When I unplug the monitor, all the windows are moved onto the laptop display. However, when I plug it back in, all the windows are moved onto the 2nd display (which is on the left of the laptop display), even though I haven't moved them myself.
How can I make KDE preserve which display each window is on across unplug-and-replug?
You can save the current position of windows with:
wmctrl -lG > ~/.windowlistrc
You can restore them with:
rcfile=~/.windowlistrc
while read row; do
IFS=" " read id g x y w h _ <<< ${row}
if [[ ${g} == "-1" ]]; then continue; fi
wmctrl -ir ${id} -b toggle,maximized_vert,maximized_horz
wmctrl -ir ${id} -b remove,maximized_vert,maximized_horz
y=$(( ${y} - 30 ))
wmctrl -ir ${id} -e 0,${x},${y},${w},${h}
done < ${rcfile}
The restore could be much simpler, but I found I needed to toggle things on and off for windows that were arranged by the window manager after dragging near a side or top, and then expanded (by the wm) to fill half the monitor.
