Not a hard limit, but prevent it from automatically expanding when the
window changes size.
<property name="visible">True</property>
</object>
<packing>
- <property name="resize">False</property>
+ <property name="resize">True</property>
<property name="shrink">True</property>
</packing>
</child>
<object class="GtkCalendar" id="main_date_cal">
<property name="visible">True</property>
<property name="can_focus">True</property>
+ <property name="show_details">False</property>
</object>
</child>
<child type="label">