Fix invalid chars in tkinter

Author: ppizarror

pydetex/_gui_settings.py

@@ -332,7 +332,7 @@ def _load_file() -> List[str]:
 
         self._default_settings = {
             self.CFG_CHECK_REPETITION: (False, bool, [True, False]),
-            self.CFG_FONT_SIZE: (11, int, self._valid_font_sizes),
+            self.CFG_FONT_SIZE: (12 if ut.IS_OSX else 11, int, self._valid_font_sizes),
             self.CFG_LANG: ('en', str, self._lang.get_available()),
             self.CFG_LAST_OPENED_DAY: (ut.get_number_of_day(), int, lambda x: x >= 0),
             self.CFG_LAST_OPENED_FOLDER: ('/', str, lambda x: os.path.isdir(x)),

pydetex/_gui_utils.py

@@ -723,7 +723,11 @@ def insert_highlighted_text(self, s: str, clear: bool = False, font_format: bool
             self.clear()
         for t in ut.split_tags(s, list(fonts.FONT_TAGS.values())):
             tag, text = t
-            self.insert('end', text, fonts.TAGS_FONT[tag] if font_format else 'normal')
+            try:
+                self.insert('end', text, fonts.TAGS_FONT[tag] if font_format else 'normal')
+            except tk.TclError:
+                chars = [text[j] for j in range(len(text)) if ord(text[j]) in range(65536)]
+                self.insert('end', ''.join(chars), fonts.TAGS_FONT[tag] if font_format else 'normal')
 
     def clear(self) -> None:
         """

pydetex/_utils_tex.py

@@ -679,7 +679,7 @@ def __load_unicode() -> None:
     respath = str(os.path.abspath(os.path.dirname(__file__))).replace('\\', '/') + '/res/u_'
     for j in _TEX_TO_UNICODE.keys():
         if j == 'latex_symbols':
-            with open(f'{respath}symbols.txt', 'r') as f:
+            with open(f'{respath}symbols.txt', 'r', encoding='utf-8') as f:
                 line = f.readline()
                 while line != "":
                     words = line.split()
@@ -688,7 +688,7 @@ def __load_unicode() -> None:
                     _TEX_TO_UNICODE['latex_symbols'].append((code, val))
                     line = f.readline()
         else:
-            with open(f'{respath}{j}.txt', 'r') as f:
+            with open(f'{respath}{j}.txt', 'r', encoding='utf-8') as f:
                 line = f.readline()
                 while line != '':
                     words = line.split()