From 6eea8da1af6bdc310f1c27884b18963b155dc021 Mon Sep 17 00:00:00 2001
From: Tobias Witek <tobi@tobi-wan-kenobi.at>
Date: Sat, 5 Nov 2016 16:39:46 +0100
Subject: [PATCH] [output] bugfix: enable scroll-wheeling again

The callback registration/lookup logic was flawed, so that callbacks
without module name were never executed.
---
 bumblebee/output.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bumblebee/output.py b/bumblebee/output.py
index 35a451d..e825714 100644
--- a/bumblebee/output.py
+++ b/bumblebee/output.py
@@ -74,8 +74,12 @@ class Output(object):
         module = event.get("instance", event.get("name", None))
         cb = self._callbacks.get((
             event.get("button", -1),
-            module,
+            None,
         ), None)
+        cb = self._callbacks.get((
+            event.get("button", -1),
+            event.get("instance", event.get("name", None)),
+        ), cb)
         if inspect.isfunction(cb) or cb is None: return cb
 
         return Command(cb)