From 2f37885e4bf19a6da4971d5a32e5169cf6fffc3e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 4 May 2017 00:35:56 +0200
Subject: [PATCH] MIDI learn on ctrl + middle-click only (not ctrl + other mods
 + btn2).

This fixes various other operations that use ctrl + btn2.
e.g. ctrl+alt+btn2 temporary all un/solo/mute.
---
 libs/gtkmm2ext/binding_proxy.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/gtkmm2ext/binding_proxy.cc b/libs/gtkmm2ext/binding_proxy.cc
index 5ba5f7eba4..00732a3361 100644
--- a/libs/gtkmm2ext/binding_proxy.cc
+++ b/libs/gtkmm2ext/binding_proxy.cc
@@ -24,6 +24,7 @@
 #include <pbd/controllable.h>
 
 #include <gtkmm2ext/binding_proxy.h>
+#include <gtkmm2ext/keyboard.h>
 
 #include "pbd/i18n.h"
 
@@ -69,7 +70,7 @@ BindingProxy::set_bind_button_state (guint button, guint statemask)
 bool
 BindingProxy::is_bind_action (GdkEventButton *ev)
 {
-	return ( (ev->state & bind_statemask) && ev->button == bind_button );
+	return (Keyboard::modifier_state_equals (ev->state, bind_statemask) && ev->button == bind_button );
 }