Move EmacsBehavior out of CodeInput

Author: el-ethan

examples/widgets/codeinput.py

@@ -3,12 +3,13 @@
 from kivy.uix.spinner import Spinner, SpinnerOption
 from kivy.uix.boxlayout import BoxLayout
 from kivy.uix.codeinput import CodeInput
+from kivy.uix.behaviors import EmacsBehavior
 from kivy.uix.popup import Popup
 from kivy.properties import ListProperty
 from kivy.core.window import Window
 from kivy.core.text import LabelBase
 from pygments import lexers
-
+from pygame import font as fonts
 import codecs
 import glob
 import os
@@ -109,6 +110,13 @@ def cancel(self):
         self.dismiss()
 
 
+class CodeInputWithBindings(EmacsBehavior, CodeInput):
+    '''CodeInput with keybindings.
+    To add more bindings, add behavior before CodeInput in class definition
+    '''
+    pass
+
+
 class CodeInputTest(App):
 
     files = ListProperty([None, ])
@@ -154,11 +162,12 @@ def build(self):
         menu.add_widget(key_bindings)
         b.add_widget(menu)
 
-        self.codeinput = CodeInput(
-
+        self.codeinput = CodeInputWithBindings(
             lexer=KivyLexer(),
             font_size=12,
-            text=example_text)
+            text=example_text,
+            active_key_bindings='default',
+        )
 
         b.add_widget(self.codeinput)
 

kivy/uix/codeinput.py

@@ -44,15 +44,15 @@
 from kivy.cache import Cache
 from kivy.properties import ObjectProperty, OptionProperty, StringProperty
 from kivy.utils import get_hex_from_color, get_color_from_hex
-from kivy.uix.behaviors import CodeNavigationBehavior, EmacsBehavior
+from kivy.uix.behaviors import CodeNavigationBehavior
 
 Cache_get = Cache.get
 Cache_append = Cache.append
 
 # TODO: color chooser for keywords/strings/...
 
 
-class CodeInput(CodeNavigationBehavior, EmacsBehavior, TextInput):
+class CodeInput(CodeNavigationBehavior, TextInput):
     '''CodeInput class, used for displaying highlighted code.
     '''