[virt-tools-list] RFC: drop virt-viewer support for GTK-2 and use GTK-3 features

[Guido Günther]

On Mon, Jun 09, 2014 at 11:29:33AM +0100, Daniel P. Berrange wrote:
> Currently the virt-viewer codebase is written to build with both GTK-2
> and GTK-3. This was primarily so that we could continue to support use
> of virt-viewer on older distros like RHEL-6 which lack GTK-3 support.
> GTK-3 has been around for 3 years now and RHEL-7 with GTK-3 support is
> not unreasonably far off in the future.

I think that's a great idea!

> So I'm thinking it could be a good time for us to drop support for
> GTK-2, and actually make use of some of the more interesting GTK-3
> features we've been holding back on.  In particular I think we should
> make use of the application menus in the GNOME shell top bar, and/or
> the new GTK design whereby apps have a drop down menu in their window
> titlebar. This would let us kill the current menu bar free'ing up
> more

Besides of "help" this would probably be the window title bar
(GtkHeaderBar) since the actions are per window/wm (like attaching a
USB device).
Cheers,
 -- Guido