Adapt range when copying between automation types.

For things like copying from pitch bender to a CC.

Also things like fader to pan, but that seems a bit funny.  The conversion
probably needs to be a bit smarter here, perhaps taking the normal into
consideration...

2 files changed, 14 insertions, 1 deletions

diff --git a/libs/evoral/evoral/Parameter.hpp b/libs/evoral/evoral/Parameter.hpp
index c870fa8e99..1412699b4d 100644
--- a/libs/evoral/evoral/Parameter.hpp
+++ b/libs/evoral/evoral/Parameter.hpp
@@ -57,6 +57,10 @@ public:
 		return (_type == id._type && _channel == id._channel && _id == id._id );
 	}
 
+	inline bool operator!=(const Parameter& id) const {
+		return !operator==(id);
+	}
+
 	/** Strict weak ordering
 	 * See: http://www.sgi.com/tech/stl/StrictWeakOrdering.html
 	 * Sort Parameters first according to type then to channel and lastly to ID.
diff --git a/libs/evoral/src/ControlList.cpp b/libs/evoral/src/ControlList.cpp
index 61bac6148e..70500ba8de 100644
--- a/libs/evoral/src/ControlList.cpp
+++ b/libs/evoral/src/ControlList.cpp
@@ -1599,7 +1599,16 @@ ControlList::paste (const ControlList& alist, double pos, float /*times*/)
 		where = upper_bound (_events.begin(), _events.end(), &cp, time_comparator);
 
 		for (const_iterator i = alist.begin();i != alist.end(); ++i) {
-			_events.insert (where, new ControlEvent( (*i)->when+pos,( *i)->value));
+			double value = (*i)->value;
+			if (alist.parameter() != parameter()) {
+				const ParameterDescriptor& src_desc = alist.descriptor();
+
+				value -= src_desc.lower;  // translate to 0-relative
+				value /= (src_desc.upper - src_desc.lower);  // normalize range
+				value *= (_desc.upper - _desc.lower);  // scale to our range
+				value += _desc.lower;  // translate to our offset
+			}
+			_events.insert (where, new ControlEvent((*i)->when + pos, value));
 			end = (*i)->when + pos;
 		}