Merge pull request #412 from akshayaurora/bubble

Remove redundant `background_texture`, this also fixes updation of textu...

kivy/data/style.kv

@@ -33,7 +33,7 @@
             rgba: self.parent.background_color if self.parent else (1, 1, 1, 1)
         BorderImage:
             border: self.parent.border if self.parent else (16, 16, 16, 16)
-            texture: root.parent.background_texture if root.parent else None
+            texture: root.parent._bk_img.texture if root.parent else None
             size: self.size
             pos: self.pos
 

kivy/uix/bubble.py

@@ -131,13 +131,6 @@ class Bubble(GridLayout):
     default to 'bottom_mid'.
     '''
 
-    background_texture = ObjectProperty(None)
-    '''Specifies the background texture of the bubble
-
-    :data:`background_texture` is a :class:`~kivy.properties.ObjectProperty`,
-    default to 'None'.
-    '''
-
     content = ObjectProperty(None)
     '''This is the object where the main content of the bubble is held
 
@@ -165,12 +158,8 @@ class Bubble(GridLayout):
         self.content = content = BubbleContent(parent=self)
         super(Bubble, self).__init__(**kwargs)
         self.add_widget(content)
-        self._bk_img.bind(on_texture=self._on_texture)
         self.on_arrow_pos()
 
-    def _on_texture(self, *l):
-        self.background_texture = self._bk_img.texture
-
     def add_widget(self, *l):
         content = self.content
         if content is None: