#0  g_type_check_instance_cast (type_instance=0x43e8e30, iface_type=38443744) at /build/buildd/glib2.0-2.37.6/./gobject/gtype.c:4008
        is_instantiatable = <optimized out>
        check = <optimized out>
#1  0x000000000097b7c5 in Inkscape::UI::Dialogs::colorItemHandleButtonPress (widget=0x3dac2e0, event=0x66c6500, user_data=0x35aa270) at ui/dialog/swatches.cpp:311
        processed = <optimized out>
        wdgt = <optimized out>
        show = <optimized out>
        swp = 0x0
        item = 0x35aa270
        handled = 0
#2  0x00007f987e373645 in _gtk_marshal_BOOLEAN__BOXED (closure=0x3db4420, return_value=0x7fffa1802c60, n_param_values=<optimized out>, param_values=0x7fffa1802d10, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmarshalers.c:86
        callback = <optimized out>
        cc = <optimized out>
        data1 = 0x3dac2e0
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#3  0x00007f987ccdc2e8 in g_closure_invoke (closure=0x3db4420, return_value=0x7fffa1802c60, n_param_values=2, param_values=0x7fffa1802d10, invocation_hint=0x7fffa1802cb0) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:777
        marshal = 0x7f987e3735d0 <_gtk_marshal_BOOLEAN__BOXED>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x3db4400
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#4  0x00007f987ccee75d in signal_emit_unlocked_R (node=node@entry=0x256ca20, detail=detail@entry=0, instance=instance@entry=0x3dac2e0, emission_return=emission_return@entry=0x7fffa1802de0, instance_and_params=instance_and_params@entry=0x7fffa1802d10) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x3db1cc0
        accumulator = 0x256c8e0
        emission = {next = 0x0, instance = 0x3dac2e0, ihint = {signal_id = 33, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x3db1cc0
        return_accu = 0x7fffa1802c60
        accu = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 33
        max_sequential_handler_number = 38000
        return_value_altered = 0
#5  0x00007f987ccf5f27 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffa1802ea8) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3336
        return_value = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x7fffa1802d10
        signal_return_type = <optimized out>
        param_values = 0x7fffa1802d28
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
        __FUNCTION__ = "g_signal_emit_valist"
#6  0x00007f987ccf6c22 in g_signal_emit (instance=instance@entry=0x3dac2e0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffa1802f80, reg_save_area = 0x7fffa1802ec0}}
#7  0x00007f987e4835f4 in gtk_widget_event_internal (widget=widget@entry=0x3dac2e0, event=event@entry=0x66c6500) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkwidget.c:5010
        signal_num = <optimized out>
        return_val = 0
#8  0x00007f987e4838c9 in IA__gtk_widget_event (widget=widget@entry=0x3dac2e0, event=event@entry=0x66c6500) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkwidget.c:4807
        __PRETTY_FUNCTION__ = "IA__gtk_widget_event"
#9  0x00007f987e371df4 in IA__gtk_propagate_event (widget=0x3dac2e0, event=0x66c6500) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:2509
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_propagate_event"
#10 0x00007f987e3721ab in IA__gtk_main_do_event (event=0x66c6500) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:1699
        event_widget = <optimized out>
        grab_widget = 0x3dac2e0
        window_group = <optimized out>
        rewritten_event = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_main_do_event"
#11 0x00007f987dfed27c in gdk_event_dispatch (source=source@entry=0x253bfb0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+2.0-2.24.20/gdk/x11/gdkevents-x11.c:2403
        display = <optimized out>
        event = 0x66c6500
#12 0x00007f987ca132d6 in g_main_dispatch (context=0x253c0a0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3065
        dispatch = 0x7f987dfed230 <gdk_event_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        need_destroy = <optimized out>
        current_source_link = {data = 0x253bfb0, next = 0x0}
        source = 0x253bfb0
        current = 0x2622210
        i = 0
#13 g_main_context_dispatch (context=context@entry=0x253c0a0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3641
No locals.
#14 0x00007f987ca13628 in g_main_context_iterate (context=0x253c0a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3712
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 2
        fds = 0x34507f0
#15 0x00007f987ca13a2a in g_main_loop_run (loop=0x3463880) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3906
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#16 0x00007f987e371277 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:1271
        tmp_list = 0x0
        functions = 0x0
        init = <optimized out>
        loop = 0x3463880
#17 0x000000000062b3ac in sp_main_gui (argc=1, argv=0x7fffa1803458) at main.cpp:978
        main_instance = {<sigc::trackable> = {callback_list_ = 0x0}, _vptr.Main = 0x7f988035e690 <vtable for Gtk::Main+16>, static signal_run_ = {<No data fields>}, static signal_quit_ = {<No data fields>}, static signal_key_snooper_ = {<No data fields>}, static instance_ = 0x7fffa1803250}
        fl = 0x0
        retVal = <optimized out>
        __PRETTY_FUNCTION__ = "int sp_main_gui(int, const char**)"
        dataDirs = {<std::_Vector_base<Glib::ustring, std::allocator<Glib::ustring> >> = {_M_impl = {<std::allocator<Glib::ustring>> = {<__gnu_cxx::new_allocator<Glib::ustring>> = {<No data fields>}, <No data fields>}, _M_start = 0x25c6e40, _M_finish = 0x25c6e60, _M_end_of_storage = 0x25c6e60}}, <No data fields>}
        usericondir = <optimized out>
        create_new = <optimized out>
#18 0x000000000060edcf in main (argc=1, argv=0x7fffa1803458) at main.cpp:714
        inkscape_localedir = <optimized out>
        use_gui = 1
        app = {_vptr.Application = 0xc852f0 <vtable for Inkscape::NSApplication::Application+16>, _argc = 1, _argv = 0x7fffa1803458, _app_impl = 0x0, _path_home = 0x0}