fast-switch between display modes by holding DISP and pressing number keys -- doesn't work for 4 and 9 currently though?!

data_centre/data.py

@@ -57,6 +57,7 @@ class Data(object):
         ### state data
         self.auto_repeat_on = True
         self.function_on = False
+        self.is_display_held = False
         self.display_mode = "SAMPLER"
         self.control_mode = 'PLAYER'
         self.bank_number = 0

user_input/numpad_input.py

@@ -21,10 +21,17 @@ class NumpadInput(object):
     def on_key_press(self, event):
         numpad = list(string.ascii_lowercase[0:19])
 
+        if event.char is 'h': # DISP button
+            self.data.is_display_held = True
+
         if event.char is '.' or event.char is 'z':
             self.actions.quit_the_program()
         if event.char is 's':
             event.char = self.on_0_key_press()
+
+        numbers = "jklmnopqrs"
+        if self.data.is_display_held and event.char in numbers:
+            self.actions.call_method_name("set_display_mode_%s"%self.data.get_display_modes_list()[numbers.index(event.char)])
         elif event.char in numpad:
             self.run_action_for_mapped_key(event.char)
         else:
@@ -35,6 +42,9 @@ class NumpadInput(object):
             if event.char in numpad:
                 self.check_key_release_settings(event.char)
 
+            if event.char is 'h':
+                self.data.is_display_held = False
+
     def on_mouse_move(self, event):
         if self.data.settings['user_input']['MOUSE_INPUT']['value'] != 'enabled':
             return