Re: Gtk::MenuToolButton icons not showing

[Phil Wolff <adiabat centurylink net>]

I have just discovered that this isn't confined to Gtk::MenuToolButton, 
it happens when attempting to re-use a Gtk::Image instance in multiple 
Gtk::ListBoxRows as well.

On 07/07/2014 12:27 AM, Kjell Ahlstedt wrote:
> 2014-07-05 23:08, Phil Wolff skrev:
> > I'm using GTKMM 3.10.1 on 64-bit Ubuntu 14.04. I've got three 
> > Gtk::MenuToolButtons in my UI, and I want the same icon to appear on 
> > all three of them. This seems not to work -- my icon appears only on 
> > the last button to be instantiated, and the first two have no icon, 
> > only the activate arrow. To get my icon to appear on all three 
> > buttons, I've had to fetch the icon as a Gdk::Pixmap and create from 
> > it three unique Gtk::Image instances, one for each button. Should I 
> > presume there's some arcane Gtk requirement that makes this necessary?
> If you can give me a (preferably short) test case to experiment with, 
> I can look into this. I don't know if it's a bug or by design.
> > And, in a closely related but extremely minor issue, I've noticed 
> > that run-time error messages related to Gtk::Image problems in 
> > Gtk::Builder mis-identify the source, e.g.
> >
> >      gtkmm-CRITICAL **: gtkmm: Gtk::_Buidler_: widget `FolderIcon' 
> > was not found in the GtkBuilder file, or the specified part of it.
> I've fixed the typo in Gtk::Builder.
>
> Kjell