dgui: fix DirectEntry._autoCapitalize() on Python 3.x (#628)

direct/src/gui/DirectEntry.py

@@ -216,11 +216,11 @@ class DirectEntry(DirectFrame):
         self._autoCapitalize()
 
     def _autoCapitalize(self):
-        name = self.get().decode('utf-8')
+        name = self.guiItem.getWtext()
         # capitalize each word, allowing for things like McMutton
-        capName = ''
+        capName = u''
         # track each individual word to detect prefixes like Mc
-        wordSoFar = ''
+        wordSoFar = u''
         # track whether the previous character was part of a word or not
         wasNonWordChar = True
         for i, character in enumerate(name):
@@ -229,9 +229,9 @@ class DirectEntry(DirectFrame):
             #   This assumes that string.lower and string.upper will return different
             #   values for all unicode letters.
             # - Don't count apostrophes as a break between words
-            if character.lower() == character.upper() and character != "'":
+            if character.lower() == character.upper() and character != u"'":
                 # we are between words
-                wordSoFar = ''
+                wordSoFar = u''
                 wasNonWordChar = True
             else:
                 capitalize = False
@@ -255,7 +255,8 @@ class DirectEntry(DirectFrame):
                 wordSoFar += character
                 wasNonWordChar = False
             capName += character
-        self.enterText(capName.encode('utf-8'))
+        self.guiItem.setWtext(capName)
+        self.guiItem.setCursorPosition(self.guiItem.getNumCharacters())
 
     def focusOutCommandFunc(self):
         if self['focusOutCommand']: