diff options
Diffstat (limited to 'libs/pbd/pbd/properties.h')
| -rw-r--r-- | libs/pbd/pbd/properties.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/libs/pbd/pbd/properties.h b/libs/pbd/pbd/properties.h index 31197030f9..784282ee9c 100644 --- a/libs/pbd/pbd/properties.h +++ b/libs/pbd/pbd/properties.h @@ -84,12 +84,10 @@ public: _have_old = false; } - /** If this property has been changed since the last clear_history() call - (or its construction), add an (XML) property describing the old value - to the XMLNode @param old and another describing the current value to - the XMLNode @param current. - */ void add_history_state (XMLNode* history_node) const { + /* We can get to the current state of a scalar property like this one simply + by knowing what the new state is. + */ history_node->add_property (property_name(), to_string (_current)); } @@ -167,10 +165,10 @@ public: : PropertyTemplate<T> (q, v) {} - void diff (PropertyList& before, PropertyList& after) const { + void diff (PropertyList& undo, PropertyList& redo) const { if (this->_have_old) { - before.add (new Property<T> (this->property_id(), this->_old)); - after.add (new Property<T> (this->property_id(), this->_current)); + undo.add (new Property<T> (this->property_id(), this->_old)); + redo.add (new Property<T> (this->property_id(), this->_current)); } } |