diff --git a/command_prompt.py b/command_prompt.py
index 72c7006..ab1538b 100644
--- a/command_prompt.py
+++ b/command_prompt.py
@@ -29,6 +29,7 @@ class Command_prompt(Label):
 
         self.draw()
 
+
     def draw(self):
         with self.canvas.before:
             # background
@@ -44,9 +45,13 @@ class Command_prompt(Label):
         else:
             self.text=self.raw_text
 
+
     def on_key_down(self, keyboard, keycode, text, modifiers):
         print(keycode,text,modifiers)
         if self.insert:
+            # process modifiers
+            mods=self.process_modifiers(modifiers)
+
             # process command
             if keycode[1]=="enter":
                 self.insert=False
@@ -58,9 +63,9 @@ class Command_prompt(Label):
                 self.move_cursor_relative(-1)
             elif keycode[1]=="right":
                 self.move_cursor_relative(1)
-            elif len(modifiers)==1 and modifiers[0]=="ctrl" and text=="a":
+            elif mods==['c'] and text=="a":
                 self.move_cursor(1)
-            elif len(modifiers)==1 and modifiers[0]=="ctrl" and text=="e":
+            elif mods==['c'] and text=="e":
                 self.move_cursor(len(self.raw_text))
 
             # delete
@@ -68,7 +73,7 @@ class Command_prompt(Label):
                 self.backspace()
             elif keycode[1]=="delete":
                 self.delete_forward()
-            elif len(modifiers)==1 and modifiers[0]=="ctrl" and text=="k":
+            elif mods==['c'] and text=="k":
                 self.delete_all_forward()
 
     def on_textinput(self,window,text):
@@ -79,6 +84,30 @@ class Command_prompt(Label):
             self.append_text_at_cursor(text)
             self.insert=True
 
+
+    # get modifiers from list
+    # returns an alphabetically ordered array of characters
+    # 'a' is alt
+    # 'c' is ctrl
+    # 'm' is meta
+    # 's' is shift
+    # ignore all others
+    def process_modifiers(self,modifiers):
+        out=[]
+        for mod in modifiers:
+            if mod=="alt":
+                out.append('a')
+            elif mod=="ctrl":
+                out.append('c')
+            elif mod=="meta":
+                out.append('m')
+            elif mod=="shift":
+                out.append('s')
+        out.sort()
+        return out
+                
+
+
     # append to text at position of cursor
     def append_text_at_cursor(self,text):
         if self.cursor==len(self.raw_text):
@@ -121,6 +150,7 @@ class Command_prompt(Label):
         self.cursor=len(text)
         self.draw()
 
+
     # move cursor n steps to right (left if negative)
     def move_cursor_relative(self,n):
         if n==0 or (n>0 and self.cursor==len(self.raw_text)) or (n<0 and self.cursor==0):
@@ -133,6 +163,7 @@ class Command_prompt(Label):
         self.cursor=max(1,min(len(self.raw_text),n))
         self.draw()
 
+
     # parse text as argv
     def parse_command(self):
         # init