Re: How to rethrow exception or install exception handlers inside Gtk::Main::run

[Germán Diago <germandiago gmail com>]

El domingo 3 de abril de 2011, Yann LEYDIER <yann leydier info> escribió:
> Almost undocumented:
>
> sigc::connection add_exception_handler(const sigc::slot<void>& slot);
>
> In the callback, you can do something like this:
> try
> {
>         throw;
> }
> catch (Glib::Exception &ex)
> {
>         std::cerr << "Glib/Gtk error: " << ex.what().c_str() << std::endl;
> }
> catch (std::exception &ex)
> {
>         std::cerr << "Unhandled exception: " << ex.what().c_str() << std::endl;
> }
>
> yann
>
>
> On 02/04/11 17:11, Germán Diago wrote:
>
> Hi all. I'm implementing a program with gtkmm and I found that when
> throwing an exception from
> inside Gtk::Main::run (an exception from my program logic), I can't
> catch that exception from my main() function since Glib catches the
> exception (I think) and rethrows a Glib::Exception. This way I loose the
> information from my exceptions. Is there any workaround to be able to
> get my original
> exception outside of the main loop? Thank you.
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Thanks. Exactly what I was looking for. You don't need the c_str() after what().