Minor change to 'pbd/controllable.h'

[ardour.git] / libs / pbd / pbd / sequence_property.h

diff --git a/libs/pbd/pbd/sequence_property.h b/libs/pbd/pbd/sequence_property.h
index 28775b5f3c7ce3c5a5bb96acfb9487b7b95a9907..e105e82e47c01ba7c61529ff024f892a82661e0d 100644 (file)
--- a/libs/pbd/pbd/sequence_property.h
+++ b/libs/pbd/pbd/sequence_property.h
@@ -44,7 +44,7 @@ namespace PBD {
  *  any change.
  */
 template<typename Container>
-class LIBPBD_API SequenceProperty : public PropertyBase
+class /*LIBPBD_API*/ SequenceProperty : public PropertyBase
 {
   public:
         typedef std::set<typename Container::value_type> ChangeContainer;
@@ -95,14 +95,14 @@ class LIBPBD_API SequenceProperty : public PropertyBase
                /* record the change described in our change member */
 
                if (!_changes.added.empty()) {
-                       for (typename ChangeContainer::iterator i = _changes.added.begin(); i != _changes.added.end(); ++i) {
+                       for (typename ChangeContainer::const_iterator i = _changes.added.begin(); i != _changes.added.end(); ++i) {
                                 XMLNode* add_node = new XMLNode ("Add");
                                 child->add_child_nocopy (*add_node);
                                get_content_as_xml (*i, *add_node);
                        }
                }
                if (!_changes.removed.empty()) {
-                       for (typename ChangeContainer::iterator i = _changes.removed.begin(); i != _changes.removed.end(); ++i) {
+                       for (typename ChangeContainer::const_iterator i = _changes.removed.begin(); i != _changes.removed.end(); ++i) {
                                 XMLNode* remove_node = new XMLNode ("Remove");
                                 child->add_child_nocopy (*remove_node);
                                get_content_as_xml (*i, *remove_node);
@@ -171,7 +171,7 @@ class LIBPBD_API SequenceProperty : public PropertyBase
                           with this diff().
                        */
                         
-                       for (typename ChangeContainer::iterator i = a->changes().added.begin(); i != a->changes().added.end(); ++i) {
+                       for (typename ChangeContainer::const_iterator i = a->changes().added.begin(); i != a->changes().added.end(); ++i) {
                                (*i)->DropReferences.connect_same_thread (*cmd, boost::bind (&Destructible::drop_references, cmd));
                        }
                }
@@ -311,10 +311,10 @@ class LIBPBD_API SequenceProperty : public PropertyBase
        }
 
        Container& operator= (const Container& other) {
-               for (typename Container::iterator i = _val.begin(); i != _val.end(); ++i) {
+               for (typename Container::const_iterator i = _val.begin(); i != _val.end(); ++i) {
                        _changes.remove (*i);
                }
-               for (typename Container::iterator i = other.begin(); i != other.end(); ++i) {
+               for (typename Container::const_iterator i = other.begin(); i != other.end(); ++i) {
                        _changes.add (*i);
                }
                return _val = other;