Just the tab contents are empty, the application window still comes up.
There's a screenshot at the bottom of
http://code.google.com/p/meld-installer/issues/detail?id=32.  Ignore the
earlier comments and description; the reporting user re-used an older
unrelated issue.  The new issue for this problem is
http://code.google.com/p/meld-installer/issues/detail?id=42.  I'll post
your suggestion about not using the system font and trying some other fonts
there.

-Keegan

On Mon, Dec 30, 2013 at 4:50 PM, Kai Willadsen <[email protected]>wrote:

> On 31 December 2013 07:39, Keegan Witt <[email protected]> wrote:
> > Any suggestions for what they can try for getting some more information?
>  I
> > had one of them try running with python instead of pythonw and the
> output he
> > got is below.  It sounds from the message below that it might be an issue
> > with the font not having the glyphs to support the characters used by the
> > system locale.  But if that were the case, you'd think only some
> characters
> > wouldn't be rendered.  Sorry, I'm not familiar with how GTK handles
> > localization bindings.
> >
> > F:\lm\meld\meld-1.8.3\Meld>python\App\python.exe meld\bin\meld
> > F:\lm\meld\meld-1.8.3\Meld\meld\meld\meldwindow.py:226: PangoWarning:
> > couldn't l
> > oad font "瀹嬩綋 9", falling back to "Sans 9", expect ugly output.
> >   self.widget.show()
> > F:\lm\meld\meld-1.8.3\Meld\meld\meld\meldwindow.py:226: PangoWarning:
> > couldn't l
> > oad font "瀹嬩綋 Not-Rotated 9", falling back to "Sans Not-Rotated 9",
> expect
> > ug
> > ly output.
> >   self.widget.show()
> > F:\lm\meld\meld-1.8.3\Meld\meld\meld\meldwindow.py:641: Warning:
> > g_object_set_qd
> > ata: assertion `G_IS_OBJECT (object)' failed
> >   self.notebook.remove_page(page_num)
> > meld\bin\meld:167: GtkWarning: gdkdrawable-win32.c:2013 drawable is not a
> > pixmap
> >  or window
> >   gtk.main()
> > F:\lm\meld\meld-1.8.3\Meld\meld\meld\task.py:114: Warning:
> > g_object_set_qdata: a
> > ssertion `G_IS_OBJECT (object)' failed
> >   ret = task()
>
> Oh hey cool... unicode font names... what could possibly go wrong?
> (I don't know that that's an actual problem, but certainly fonts
> failing to load would break stuff.)
>
> When you say 'empty comparison window', is there no UI at all, or is
> it just the individual tab UIs failing to load?
>
> I guess if Meld launches and they can get to a usable preferences
> dialog they could try unticking the 'use system font' preference and
> selecting fonts until something works? I'm not certain that that's the
> problem but it may explain the behaviour. I'd expect that to screw up
> file comparisons though; I don't think we use font settings in folder
> comparisons anywhere.
>
> As for the subsequent warnings, those probably started happening
> during GLib/GTK 2.x series bumps, either because we were doing broken
> things, because PyGTK had some maintenance hiccups, or because GLib
> broke ABI. I haven't managed to track down all of these warnings, and
> they generally seem to have no impact.
>
> cheers,
> Kai
>
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