diff --git a/src/Application/Gui.cpp b/src/Application/Gui.cpp
index c60f40f..5afea42 100644
--- a/src/Application/Gui.cpp
+++ b/src/Application/Gui.cpp
@@ -19,5 +19,47 @@ void Gui::notifyEvent(ofMouseEventArgs & args){
 	ofNotifyEvent(event, e, this);
 }
 
+void Gui::notifyJointPressed(ofMouseEventArgs & args, int jointIndex){
+	GuiJointEvent e;
+	e.args = args;
+	e.jointIndex = jointIndex;
+	ofNotifyEvent(jointPressedEvent, e, this);
+}
+
+void Gui::notifyJointReleased(ofMouseEventArgs & args, int jointIndex){
+	GuiJointEvent e;
+	e.args = args;
+	e.jointIndex = jointIndex;
+	ofNotifyEvent(jointReleasedEvent, e, this);
+}
+
+void Gui::notifyJointDragged(ofMouseEventArgs & args, int jointIndex){
+	GuiJointEvent e;
+	e.args = args;
+	e.jointIndex = jointIndex;
+	ofNotifyEvent(jointDraggedEvent, e, this);
+}
+
+void Gui::notifySurfacePressed(ofMouseEventArgs & args, BaseSurface * surface){
+	GuiSurfaceEvent e;
+	e.args = args;
+	e.surface = surface;
+	ofNotifyEvent(surfacePressedEvent, e, this);
+}
+
+void Gui::notifySurfaceReleased(ofMouseEventArgs & args, BaseSurface * surface){
+	GuiSurfaceEvent e;
+	e.args = args;
+	e.surface = surface;
+	ofNotifyEvent(surfaceReleasedEvent, e, this);
+}
+
+void Gui::notifySurfaceDragged(ofMouseEventArgs & args, BaseSurface * surface){
+	GuiSurfaceEvent e;
+	e.args = args;
+	e.surface = surface;
+	ofNotifyEvent(surfaceDraggedEvent, e, this);
+}
+
 } // piMapper
 } // ofx
\ No newline at end of file
diff --git a/src/Application/Gui.h b/src/Application/Gui.h
index ecc6278..1c611a5 100644
--- a/src/Application/Gui.h
+++ b/src/Application/Gui.h
@@ -2,15 +2,26 @@
 
 #include "ofEvents.h"
 #include "GuiEventType.h"
+#include "BaseSurface.h"
 
 namespace ofx {
 namespace piMapper {
 
-struct GuiEvent {
+struct GuiEvent{
 	ofMouseEventArgs args;
 	int type;
 };
 
+struct GuiJointEvent{
+	ofMouseEventArgs args;
+	int jointIndex;
+};
+
+struct GuiSurfaceEvent{
+	ofMouseEventArgs args;
+	BaseSurface * surface;
+};
+
 class Gui {
 	public:
 		static Gui * instance();
@@ -18,6 +29,22 @@ class Gui {
 		ofEvent <GuiEvent> event;
 		void notifyEvent(ofMouseEventArgs & args);
 	
+		ofEvent <GuiJointEvent> jointPressedEvent;
+		ofEvent <GuiJointEvent> jointReleasedEvent;
+		ofEvent <GuiJointEvent> jointDraggedEvent;
+	
+		void notifyJointPressed(ofMouseEventArgs & args, int jointIndex);
+		void notifyJointReleased(ofMouseEventArgs & args, int jointIndex);
+		void notifyJointDragged(ofMouseEventArgs & args, int jointIndex);
+	
+		ofEvent <GuiSurfaceEvent> surfacePressedEvent;
+		ofEvent <GuiSurfaceEvent> surfaceReleasedEvent;
+		ofEvent <GuiSurfaceEvent> surfaceDraggedEvent;
+	
+		void notifySurfacePressed(ofMouseEventArgs & args, BaseSurface * surface);
+		void notifySurfaceReleased(ofMouseEventArgs & args, BaseSurface * surface);
+		void notifySurfaceDragged(ofMouseEventArgs & args, BaseSurface * surface);
+	
 	private:
 		static Gui * _instance;
 };