Python bindings and Gtk3

John Ralls jralls at
Wed Aug 9 13:49:23 EDT 2017

> On Aug 9, 2017, at 7:28 AM, Mike Alexander <mta at> wrote:
>> On Aug 9, 2017, at 12:21 AM, Mike Alexander <mta at <mailto:mta at>> wrote:
>>> On Aug 8, 2017, at 10:23 AM, John Ralls <jralls at <mailto:jralls at>> wrote:
>>> I don't know if the MacPorts X-build uses the CoreText or FontConfig backend for Pango, but if it uses CoreText it might be your problem.
>> I don’t know either.  I see that Pango’s configure looks for (and finds) fontconfig, but then says "checking which cairo font backends could be used... quartz freetype”.  I suspect it is using fontconfig.  I am using a Retina display, but the text in the tabs seems like it’s normal size.  There is a lot of blank space around the text that makes the tab bigger.  In fact the text itself is smaller in the Gtk3 version.  Here are a couple of screenshots.
> I guess attachments aren’t allowed, I should have known.  The screenshots are at 
> <> (Gtk2)
> and
> <> (Gtk3)

Hmm, looks like both whitespace and font are larger. What version of Gtk+-3?

You can try fiddling with the tab-label styling in ~/.config/gtk-3.0/gtk.css. There's some guidance in <>.

John Ralls

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