Re: Goocanvas in update from Gtk2 to Gtk3

[Paul Emsley <pemsley mrc-lmb cam ac uk>]

On 19/01/2021 08:26, damonachaplin gmail com wrote:
> On Mon, 2021-01-18 at 22:48 +0000, Paul Emsley via goocanvas-list
> wrote:
> > Hi All/Damon,
> >
> > OK, here is an example of different behaviour. I have plotted some
> > points on the graph.
> >
> > The spots should give terminal output on enter and click events.
> >
> > In Gtk2 they do.
> >
> > In Gtk3  they do not: try mousing around but not entering the spots
> > and
> > from time to time you will get spurious enter events and when you do
> > enter the spot, frequently click events don't register.
> You're going to hate this but they both work fine for me!


Yes, I do hate it :-)


> I'll send you a screenshot as proof!


Thanks.


> There must be something wrong with your build environment.


Well... that would be good it it were so, but I wonder how it can be. 
There no args to goocanvas configure other than --prefix


> Check the "-I" include directories are correct when compiling,
> and also try ldd, e.g. "ldd ./problem-example-gtk2" to check it
> is linking with the libraries you expect.


Ah, OK. that's interesting. I linked against system goocanvas-2.0 and it 
just works!

Hmm... so you are right.

But... where do we go from here?


Paul