2 files changed, 17 insertions, 6 deletions

diff --git a/src/live_effects/parameter/point.cpp b/src/live_effects/parameter/point.cpp
index 4c4d2cd9c..ca3471b29 100644
--- a/src/live_effects/parameter/point.cpp
+++ b/src/live_effects/parameter/point.cpp
@@ -25,9 +25,11 @@ namespace LivePathEffect {
 
 PointParam::PointParam( const Glib::ustring& label, const Glib::ustring& tip,
                         const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
-                        Effect* effect, const gchar *htip, Geom::Point default_value)
+                        Effect* effect, const gchar *htip, Geom::Point default_value,
+                        bool live_update )
     :   Parameter(label, tip, key, wr, effect), 
         defvalue(default_value),
+        liveupdate(live_update),
         knoth(NULL)
 {
     knot_shape = SP_KNOT_SHAPE_DIAMOND;
@@ -48,6 +50,12 @@ PointParam::param_set_default()
     param_setValue(defvalue,true);
 }
 
+void
+PointParam::param_set_liveupdate( bool live_update)
+{
+    liveupdate = live_update;
+}
+
 Geom::Point 
 PointParam::param_get_default() const{
     return defvalue;
@@ -70,7 +78,7 @@ PointParam::param_setValue(Geom::Point newpoint, bool write)
         param_write_to_repr(str);
         g_free(str);
     }
-    if(knoth){
+    if(knoth && liveupdate){
         knoth->update_knots();
     }
 }
@@ -166,9 +174,9 @@ PointParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &or
             s = A;
         }
     }
-    pparam->param_setValue(s, true);
+    pparam->param_setValue(s, this->pparam->liveupdate);
     SPLPEItem * splpeitem = dynamic_cast<SPLPEItem *>(item);
-    if(splpeitem){
+    if(splpeitem && this->pparam->liveupdate){
         sp_lpe_item_update_patheffect(splpeitem, false, false);
     }
 }
diff --git a/src/live_effects/parameter/point.h b/src/live_effects/parameter/point.h
index 471fbc993..4329e0bcd 100644
--- a/src/live_effects/parameter/point.h
+++ b/src/live_effects/parameter/point.h
@@ -29,8 +29,9 @@ public:
                 const Glib::ustring& key,
                 Inkscape::UI::Widget::Registry* wr,
                 Effect* effect,
-                const gchar *handle_tip = NULL,
-		Geom::Point default_value = Geom::Point(0,0) ); // tip for automatically associated on-canvas handle
+                const gchar *handle_tip = NULL,// tip for automatically associated on-canvas handle
+                Geom::Point default_value = Geom::Point(0,0), 
+                bool live_update = true );
     virtual ~PointParam();
 
     virtual Gtk::Widget * param_newWidget();
@@ -41,6 +42,7 @@ public:
     void param_setValue(Geom::Point newpoint, bool write = false);
     void param_set_default();
     Geom::Point param_get_default() const;
+    void param_set_liveupdate(bool live_update);
     void param_update_default(Geom::Point newpoint);
     virtual void param_transform_multiply(Geom::Affine const& /*postmul*/, bool /*set*/);
 
@@ -54,6 +56,7 @@ private:
     PointParam(const PointParam&);
     PointParam& operator=(const PointParam&);
     Geom::Point defvalue;
+    bool liveupdate;
     KnotHolder *knoth;
     SPKnotShapeType knot_shape;
     SPKnotModeType knot_mode;