def __init__(self, **kwargs):
# private
self.last_line_rtl = False
self.line_rtl = False
self.rtl_font = kwargs.get("rtl_font", self.rtl_font)
self.rtl_font_size = kwargs.get("rtl_font_size", self.rtl_font_size)
self.rtl_halign_ignore = kwargs.get("rtl_halign_ignore", self.rtl_halign_ignore)
dkw = {}
value = kwargs.get("text", "")
self.line_rtl = False
if value:
rtl, has_rtl = get_display_hasrtl(value)
self.line_rtl = (rtl != 0) or (has_rtl)
super(BidiLabel, self).__init__(**kwargs)
dkw["rtl_font"] = partial(self._trigger_texture_update, "rtl_font")
dkw["rtl_font_size"] = partial(self._trigger_texture_update, "rtl_font_size")
self.bind(**dkw)
dkw["rtl"] = self.line_rtl
def _trigger_texture_update(self, name=None, source=None, value=None):
# check if the label core class need to be switch to a new one
if name == "markup":
self._create_label()
if source:
if name == "text":
rtl, has_rtl = get_display_hasrtl(value)
self.line_rtl = (rtl != 0) or (has_rtl)
if self.line_rtl != self.last_line_rtl:
self._create_label()
# if self.line_rtl:
# rtext, _ = remove_leading_spaces(rtext)
# print 'BEFORE %s' % self._label.text.encode('utf-8')
# print 'AFTER %s' % rtext.encode('utf-8')
# self._label.text = rtext
# else:
self._label.text = value
elif name == "text_size":
self._label.usersize = value
elif name == "font_size":
self._label.options[name] = value
if self.rtl_font_size < 0:
self.rtl_font_size = value
elif name == "rtl_font":
if self.line_rtl:
self._label.options["font_name"] = value
self.rtl_font = value
elif name == "rtl_font_size":
if self.line_rtl:
self._label.options["font_size"] = value
self.rtl_font_size = value
else:
self._label.options[name] = value
self._trigger_texture()