3 files changed, 32 insertions, 3 deletions
diff --git a/src/live_effects/parameter/parameter.h b/src/live_effects/parameter/parameter.h
index 511ce46a2..c4e58c8d5 100644
--- a/src/live_effects/parameter/parameter.h
+++ b/src/live_effects/parameter/parameter.h
@@ -58,7 +58,8 @@ public:
 
     virtual bool param_readSVGValue(const gchar * strvalue) = 0;   // returns true if new value is valid / accepted.
     virtual gchar * param_getSVGValue() const = 0;
-
+    void write_to_SVG() { param_write_to_repr(param_getSVGValue()); }
+ 
     virtual void param_set_default() = 0;
 
     void printTypeName();
diff --git a/src/live_effects/parameter/point.cpp b/src/live_effects/parameter/point.cpp
index 49a47660f..502af1f23 100644
--- a/src/live_effects/parameter/point.cpp
+++ b/src/live_effects/parameter/point.cpp
@@ -162,12 +162,33 @@ PointParam::set_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint
     knot_color = color;
 }
 
+void
+PointParam::knot_set(NR::Point const &p, NR::Point const &origin, guint state)
+{
+    g_print ("PointParam::knot_set() was called!\n");
+    param_setValue(p.to_2geom());
+}
+
+NR::Point
+PointParam::knot_get()
+{
+    g_print ("PointParam::knot_get() was called.\n");
+    g_print ("We return (%f, %f)\n", (*this)[0], (*this)[1]);
+    return *this;
+}
+
+void
+PointParam::knot_click(guint state)
+{
+    g_print ("PointParam::knot_click() was called!\n");
+}
 
 // CALLBACKS:
 
 void
 PointParam::on_button_click()
 {
+    g_print ("PointParam::on_button_click()\n");
     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
     SPItem * item = sp_desktop_selection(desktop)->singleItem();
     if (item != NULL) {
diff --git a/src/live_effects/parameter/point.h b/src/live_effects/parameter/point.h
index d963d835a..3e8dc843a 100644
--- a/src/live_effects/parameter/point.h
+++ b/src/live_effects/parameter/point.h
@@ -16,14 +16,14 @@
 
 #include "live_effects/parameter/parameter.h"
 
-#include "knot-enums.h"
+#include "knot-holder-entity.h"
 
 namespace Inkscape {
 
 namespace LivePathEffect {
 
 
-class PointParam : public Geom::Point, public Parameter {
+class PointParam : public Geom::Point, public Parameter, public KnotHolderEntity {
 public:
     PointParam( const Glib::ustring& label,
                 const Glib::ustring& tip,
@@ -51,6 +51,13 @@ public:
 
     void set_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color);
 
+    /* these are overloaded from KnotHolderEntity */
+    virtual void knot_set(NR::Point const &p, NR::Point const &origin, guint state);
+    virtual NR::Point knot_get();
+    virtual void knot_click(guint state);
+
+    virtual bool isLPEParam() { return true; }
+
 private:
     PointParam(const PointParam&);
     PointParam& operator=(const PointParam&);