Hi Maren,

thanks for the pointer! I didn't know about the preferences file, but now I've found the relevant options in there (comparing to /ui/dialog/inkscape-preferences.cpp), which are:
toolbox/tools/small "Toolbox icon size:"
toolbox/small "Control bar icon size"
toolbox/secondary "Secondary toolbar icon size"
(with the path describing nested XML groups)
Guess you'd need an XML parser to maintain two files where these two options are different, but changes are applied to both, but for now this seems to work. Thanks!

Best,
Christoph

On Mon, Jan 9, 2017 at 1:56 PM Maren Hachmann <maren@...3112...> wrote:
I think it would probably work if one has two preferences files, and
renames them dynamically in that startup script.

The better option would probably be to set the environment variable for
the INKSCAPE_PROFILE_DIR to a different directory (see man page). I
still need to try that out (it's definitely better than using one
preferences file for different Inkscape versions) :)

Regards,
 Maren

Am 09.01.2017 um 10:38 schrieb Christoph Raab:
> Dear fellow Inkscapists,
>
> thanks to the "Larger" option for icon sizes in the 0.92 version, more
> of the icons are now usable on my laptop's high-DPI display. Using an
> external monitor, that makes them too large of course, and changing the
> setting means starting Inkscape, going into the preferences, and
> restarting. Since everything else works fine, I didn't want to try
> compiling with GTK3 enabled since it's marked "experimental".
>
> But can I give these these icon size preferences as an option when
> starting Inkscape? Then I could just start a different script depending
> on what monitor I'm using. Of course it would be ideal if that's already
> an option, since then I could eventually switch to a binary
> distribution. But I don't mind compiling it myself either, if it's
> something I can add in myself. Does somebody know how this could work?
>
> Best,
> Christoph
>
>
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