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Diffstat (limited to 'libs/pbd/pbd/properties.h')
| -rw-r--r-- | libs/pbd/pbd/properties.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libs/pbd/pbd/properties.h b/libs/pbd/pbd/properties.h index 691ab9c4ad..31197030f9 100644 --- a/libs/pbd/pbd/properties.h +++ b/libs/pbd/pbd/properties.h @@ -118,6 +118,12 @@ public: } bool changed () const { return _have_old; } + void set_state_from_property (PropertyBase const * p) { + T v = dynamic_cast<const PropertyTemplate<T>* > (p)->val (); + if (v != _current) { + set (v); + } + } protected: /** Constructs a PropertyTemplate with a default |