Hi Michael:

Thanks for the input, it is very useful for me as I had no idea about wmctrl. As far as I can understand though, wmctrl would change the window size on the local side, so if I connect to a desktop session it would be just rescaled, which is not always what I want. I want to change the resolution on the remote side so it coincides with the native resolution on the local one. Then I need xrandr on the remote. The combination of the two can actually do what I want: remove some blurring due to interpolation etc.

Regards,

Andrey

On Mon, Feb 13, 2023 at 8:44 PM Michael Ashley <m.ashley@unsw.edu.au> wrote:

Hi Andrey & Neal,

Another command that might be helpful is wmctrl, from the man page:

  wmctrl is a command that can be used to interact with an X Window manager that is compatible with the EWMH/NetWM specification.  wmctrl can query the window manager for information, and it can request that certain window management actions be taken.

And here is something I use to resize and position an X2GO session on one monitor:

  wmctrl -r X2GO -e 0,0,0,3768,2123

Regards,
Michael

On Mon, Feb 13, 2023 at 02:11:37PM +0100, Andrey Malyshev wrote:
>
>    Hi Neal,
>    Here how I do it:
>    $cat  ~/bin/setdisplaymode
>    #!/bin/bash
>    #
>    if [ -z $1 ]; then
>            echo "Usage: $0 mode, e.g:"
>            echo "$0 1920x1200"
>            echo "$0 1680x1050"
>            echo "$0 1280x1024"
>            echo "$0 1280x960"
>            exit -1
>    fi
>    MODE=$1
>    # find a connected monitor
>    #
>    MONITOR="`xrandr --listmonitors | awk '/0:/ {print $4}'`"
>    if [ ! -z $MONITOR ]; then
>            echo "Setting $MODE mode on $MONITOR"
>            # set the resolution
>            xrandr --output $MONITOR --mode $MODE 2>&1 >/dev/null
>    else
>            # try to set the resolution using some standard monitor names
>            echo "Trying to set $MODE mode..."
>            xrandr --output DVI-I-1 --mode $MODE 2>&1 >/dev/null
>            xrandr --output DVI-D-0 --mode $MODE 2>&1 >/dev/null
>    fi
>    On Mon, Feb 13, 2023 at 1:55 PM Neal Becker <[2]ndbecker2@gmail.com>
>    wrote:
>
>    Do you connect to a running x2go session using screens with different
>    resolutions?
>    Let's say I started an x2go session (xfce) from my laptop, which
>    happens to be 1920x1600.  Later I connect to that same session, this
>    time using a monitor with say 3840x2160.  Now I need to resize
>    everything.  Going the other way is even worse.
>    How do you handle this?
>    Thanks,
>    Neal
--
Professor Michael Ashley                          School of Physics
University of New South Wales     http://www.phys.unsw.edu.au/~mcba

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