Hi, Stupid question: have you initialized goocanvasmm?
Regards, Juan. On Sat, 2014-10-11 at 13:07 +0200, Kees Kling wrote: > Hi guys, > > Trying to do some coding with Goocanvasmm in combination with gtkmm-3.0. > I try to create a editable polyline as a custom item and it is displayed > correct, but when I move my mouse over the graphic I get the next > errormessages: > > (moveDump:28132): GLib-GObject-CRITICAL **: g_object_get_qdata: > assertion 'G_IS_OBJECT (object)' failed > > (moveDump:28132): GLib-GObject-CRITICAL **: g_object_get_qdata: > assertion 'G_IS_OBJECT (object)' failed > > (moveDump:28132): glibmm-WARNING **: Failed to wrap object of type > '(null)'. Hint: this error is commonly caused by failing to call a > library init() function. > > In the core I see: > #0 0x00007f263597056a in g_type_get_qdata () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #1 0x00007f2636b3303c in Glib::wrap_auto(_GObject*, bool) () from > /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 > #2 0x00007f26378c9d7d in > Glib::ListHandler<Glib::RefPtr<Goocanvas::Item>, > Glib::Container_Helpers::TypeTraits<Glib::RefPtr<Goocanvas::Item> > > >::list_to_vector(_GList*, Glib::OwnershipType) () from > /usr/lib/libgoocanvasmm-2.0.so.6 > #3 0x00007f26378d310a in Goocanvas::Item::get_items_at_vfunc(double, > double, Cairo::RefPtr<Cairo::Context> const&, bool, bool, > std::vector<Glib::RefPtr<Goocanvas::Item>, > std::allocator<Glib::RefPtr<Goocanvas::Item> > > const&) () from > /usr/lib/libgoocanvasmm-2.0.so.6 > #4 0x00007f26378d3284 in > Goocanvas::Item_Class::get_items_at_vfunc_callback(_GooCanvasItem*, > double, double, _cairo*, int, int, _GList*) () > from /usr/lib/libgoocanvasmm-2.0.so.6 > #5 0x00007f2635ba4754 in ?? () from /usr/lib/libgoocanvas-2.0.so.9 > #6 0x00007f2635ba4754 in ?? () from /usr/lib/libgoocanvas-2.0.so.9 > #7 0x00007f2635bc1378 in goo_canvas_get_item_at () from > /usr/lib/libgoocanvas-2.0.so.9 > #8 0x00007f2635bc3817 in ?? () from /usr/lib/libgoocanvas-2.0.so.9 > #9 0x00007f2635bc4bda in ?? () from /usr/lib/libgoocanvas-2.0.so.9 > #10 0x00007f263751f824 in > Gtk::Widget::on_motion_notify_event(_GdkEventMotion*) () from > /usr/lib/x86_64-linux-gnu/libgtkmm-3.0.so.1 > #11 0x00007f2637521a64 in > Gtk::Widget_Class::motion_notify_event_callback(_GtkWidget*, > _GdkEventMotion*) () > from /usr/lib/x86_64-linux-gnu/libgtkmm-3.0.so.1 > #12 0x00007f2634b5648e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 > #13 0x00007f26359503b7 in ?? () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #14 0x00007f2635968e82 in g_signal_emit_valist () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #15 0x00007f2635969ae2 in g_signal_emit () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #16 0x00007f2634c77794 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 > #17 0x00007f2634b5478c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 > #18 0x00007f2634b56075 in gtk_main_do_event () from > /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 > #19 0x00007f2634759d98 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 > #20 0x00007f2634764f9c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 > #21 0x00007f26359503b7 in ?? () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #22 0x00007f2635968e82 in g_signal_emit_valist () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #23 0x00007f263596a012 in g_signal_emit_by_name () from > /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 > #24 0x00007f263475f439 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 > #25 0x00007f2634752be8 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 > #26 0x00007f2635687f13 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 > #27 0x00007f26356873b6 in g_main_context_dispatch () from > /lib/x86_64-linux-gnu/libglib-2.0.so.0 > #28 0x00007f2635687708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 > #29 0x00007f2635687b0a in g_main_loop_run () from > /lib/x86_64-linux-gnu/libglib-2.0.so.0 > #30 0x00007f2634b55525 in gtk_main () from > /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 > #31 0x00007f26374c6d2d in Gtk::Main::run(Gtk::Window&) () from > /usr/lib/x86_64-linux-gnu/libgtkmm-3.0.so.1 > #32 0x000000000040edbc in main (argc=1, argv=0x7fff556218c8) at > ../main.cc:39 > > > Has this something to do with my code or is it a bug in the underlying > librarys. > > Thanks > Kees Kling > > _______________________________________________ > gtkmm-list mailing list > gtkmm-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gtkmm-list _______________________________________________ gtkmm-list mailing list gtkmm-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtkmm-list
