Question

Here are the steps to reproduce my problem: I designed a UI in glade 3.10.0 including a GtkButtonBox containing 4 buttons:

<object class="GtkButtonBox" id="i_bbox">
<property name="visible">True</property>
[...] some children (buttons)

The glade file gets loaded into the python script:

builder_fname = "example_layout.glade"
self.root = gtk.Builder()
self.root.add_from_file(builder_fname)
self.root.connect_signals(self)

When the script gets executed, it segfaults with the following traceback:

./example.py:37: Warning: cannot create instance of abstract (non-instantiatable) type `GtkButtonBox'
self.root.add_from_file(builder_fname)
[1]    5088 segmentation fault (core dumped)  ./example.py

Does someone have an idea how to fix this? I’m using pygtk 2.24.0

Answer 1

The warning seems to hint that you need to use GtkHButtonBox or GtkVButtonBox versus GtkButtonBox … do those segfault?