Hello,
I've noticed that X11 device windows (the ones that pop up when I plot
something on Linux) aren't assigned any WM_NAME property until after they've
been spawned. This causes problems for users of tiling window managers, who
may wish to use the WM_NAME property to decide whether to float or tile the
window.
If I create a plot and then examine the window properties with xprop, I see
something like the following: WM_NAME(STRING) = "R Graphics: Device 2
(ACTIVE)". However, by instructing my window manager (xmonad) to float all
windows with a matching name, I can tell that when the window was created
its WM_NAME property was empty.
Is this behavior intended? Would be it be reasonable to instead create
windows with a generic name like "R Graphics" prior to updating them with
the device number and active/inactive status?
I'm not familiar with the R code base, but I found that creating a plot
results in a call to the function in_do_X11 in the file
src/modules/X11/devX11.c. In that function (around like 2869) there is code
to parse out the window title from the SEXP args parameter, and it always
seems to parse out an empty string. If I manually assign title="R Graphics"
at that point, I am able to successfully float R plot windows based on their
WM_NAME. (line numbers based on SVN revision 56131)
Is this actually an issue that needs fixing? Should I create a bug report
for this?
Thanks,
Drew
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