Creates font size combo box

def _create_font_size_combo(self):
        """Creates font size combo box"""

        self.std_font_sizes = config["font_default_sizes"]
        font_size = str(get_default_font().GetPointSize())
        self.font_size_combo = \
            wx.ComboBox(self, -1, value=font_size, size=(60, -1),
                        choices=map(unicode, self.std_font_sizes),
                        style=wx.CB_DROPDOWN | wx.TE_PROCESS_ENTER)

        self.font_size_combo.SetToolTipString(_(u"Text size\n(points)"))

        self.AddControl(self.font_size_combo)
        self.Bind(wx.EVT_COMBOBOX, self.OnTextSize, self.font_size_combo)
        self.Bind(wx.EVT_TEXT_ENTER, self.OnTextSize, self.font_size_combo)