diff options
Diffstat (limited to 'libs/pbd/pbd/property_basics.h')
| -rw-r--r-- | libs/pbd/pbd/property_basics.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/libs/pbd/pbd/property_basics.h b/libs/pbd/pbd/property_basics.h index e818e36e90..251d71dc66 100644 --- a/libs/pbd/pbd/property_basics.h +++ b/libs/pbd/pbd/property_basics.h @@ -77,13 +77,10 @@ class PropertyBase public: PropertyBase (PropertyID pid) : _property_id (pid) - , _have_old (false) {} /** Forget about any old value for this state */ - virtual void clear_history () { - _have_old = false; - } + virtual void clear_history () = 0; virtual void add_history_state (XMLNode*) const = 0; virtual void diff (PropertyList&, PropertyList&) const = 0; @@ -92,10 +89,10 @@ public: virtual bool set_state_from_owner_state (XMLNode const&) = 0; virtual void add_state_to_owner_state (XMLNode&) const = 0; + virtual bool changed() const = 0; const gchar*property_name () const { return g_quark_to_string (_property_id); } PropertyID property_id () const { return _property_id; } - bool changed() const { return _have_old; } bool operator==(PropertyID pid) const { return _property_id == pid; @@ -103,13 +100,6 @@ public: protected: PropertyID _property_id; - bool _have_old; -}; - -class PropertyFactory -{ - public: - static PropertyBase* create (const XMLNode&); }; } |