<property name="search_column">0</property>
<property name="show_expanders">False</property>
<child internal-child="selection">
- <object class="GtkTreeSelection"/>
+ <object class="GtkTreeSelection">
+ <signal name="changed" handler="on_across_list_selection_changed" object="puzzle_area" swapped="no"/>
+ </object>
</child>
<child>
<object class="GtkTreeViewColumn" id="id">
<property name="search_column">0</property>
<property name="show_expanders">False</property>
<child internal-child="selection">
- <object class="GtkTreeSelection"/>
+ <object class="GtkTreeSelection">
+ <signal name="changed" handler="on_down_list_selection_changed" object="puzzle_area" swapped="no"/>
+ </object>
</child>
<child>
<object class="GtkTreeViewColumn" id="ID">