+void Sketcher::render_gui(void *data)
+{
+ Sketcher *sketcher = (Sketcher *)data;
+ sketcher->drag = drag;
+ sketcher->cv_selected = cv_selected;
+ sketcher->pt_selected = pt_selected;
+}
+
+int Sketcher::is_dragging()
+{
+ drag = 0;
+ cv_selected = -1;
+ pt_selected = -1;
+ send_render_gui(this);
+ return drag;
+}
+
+