def on_fontsize_adjustment_value_changed(self, adjustment):
'''
The fontsize adjustment in the header bar has been changed
:param adjustment: The adjustment used to change the fontsize
:type adjustment: Gtk.Adjustment object
'''
value = adjustment.get_value()
if _ARGS.debug:
sys.stdout.write(
'on_fontsize_adjustment_value_changed() value = %s\n'
%value)
self._fontsize = value
self._save_options()
self._busy_start()
GLib.idle_add(self._change_flowbox_font)
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