Re: Problem with gtk_text_view_get_iter_location()?

[Kent <kenton wilson gmail com>]

Okay... I think your idea of it having something to do with the text view 
being laid out asynchronously is probably correct.

Thank you very much for replying. It is greatly appreciated.

Kent


On Fri, 11 Feb 2005 22:42:39 -0500, Havoc Pennington <hp redhat com> wrote:
> On Thu, 2005-02-10 at 13:20 -0500, Kent wrote:
> > Hello,
> >
> > I'm having problems with gtk_text_view_get_iter_location(). I don't
> > know if I'm doing something wrong or the call is broken. I've attached
> > a sample test program which demonstrates the problem I'm having.
> > When you run the program you will see that the 'y' coordinate is wrong.
> > I have another production program in which both the x and y coordinates
> > are wildy incorrect. What am I doing wrong? Is there some caveat that
> > comes with gtk_text_view_get_iter_location() that I'm not aware of?
> >
> 
> There are a couple surprising things, one is mentioned here:
> http://developer.gimp.org/api/2.0/gtk/GtkTextView.html#gtk-text-view-
> get-iter-location
> 
> buffer coords vs. various other coordinate origins you might be
> expecting.
> 
> Another is that the text view gets laid out asynchronously, so the
> coords of a given iter will change as this happens. Right after you
> insert a line it's normally 0-height for example.
> 
> Could also be a bug, especially since you're using 2.0 which was the
> first appearance of TextView and is pretty old by now.
> 
> Havoc
> 
>