Added the ability to recognize custom fonts for MacOS

customtkinter/windows/widgets/font/font_manager.py

@@ -7,6 +7,7 @@
 class FontManager:
 
     linux_font_path = "~/.fonts/"
+    darwin_font_path = "~/Library/Fonts/"
 
     @classmethod
     def init_font_manager(cls):
@@ -24,6 +25,15 @@ def init_font_manager(cls):
         else:
             return True
 
+    @classmethod
+    def copy_fonts(cls, font_path: str, system_font_path: str) -> bool:
+        try:
+            shutil.copy(font_path, system_font_path)
+            return True
+        except Exception as err:
+            sys.stderr.write("FontManager error: " + str(err) + "\n")
+            return False
+
     @classmethod
     def windows_load_font(cls, font_path: Union[str, bytes], private: bool = True, enumerable: bool = False) -> bool:
         """ Function taken from: https://stackoverflow.com/questions/11993290/truly-custom-font-in-tkinter/30631309#30631309 """
@@ -54,13 +64,12 @@ def load_font(cls, font_path: str) -> bool:
 
         # Linux
         elif sys.platform.startswith("linux"):
-            try:
-                shutil.copy(font_path, os.path.expanduser(cls.linux_font_path))
-                return True
-            except Exception as err:
-                sys.stderr.write("FontManager error: " + str(err) + "\n")
-                return False
+            return cls.copy_fonts(font_path, os.path.expanduser(cls.linux_font_path))
+
+        # macOS
+        elif sys.platform.startswith("darwin"):
+            return cls.copy_fonts(font_path, os.path.expanduser(cls.darwin_font_path))
 
-        # macOS and others
+        # others
         else:
             return False