Comment 2 for bug 1222524

StacktraceTop:
 IA__gtk_widget_set_sensitive (widget=0x7a2d450, sensitive=0) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkwidget.c:6320
 Inkscape::UI::Dialogs::colorItemHandleButtonPress (widget=0x359ba20, event=0x5ed8420, user_data=0x2cab3e0) at ui/dialog/swatches.cpp:304
 _gtk_marshal_BOOLEAN__BOXED (closure=0x359f4b0, return_value=0x7fff6336c1f0, n_param_values=<optimized out>, param_values=0x7fff6336c2a0, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmarshalers.c:86
 g_closure_invoke (closure=0x359f4b0, return_value=0x7fff6336c1f0, n_param_values=2, param_values=0x7fff6336c2a0, invocation_hint=0x7fff6336c240) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=node@entry=0x1d6ba80, detail=detail@entry=0, instance=instance@entry=0x359ba20, emission_return=emission_return@entry=0x7fff6336c370, instance_and_params=instance_and_params@entry=0x7fff6336c2a0) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3582