[apps\shared] Create a folder shared/

Change-Id: I94e4474ff5ab3bf9db7afd5b3be57b985755ecdf

apps/shared/curve_view_cursor.cpp

@@ -0,0 +1,21 @@
+#include "curve_view_cursor.h"
+#include <math.h>
+
+CurveViewCursor::CurveViewCursor() :
+  m_x(NAN),
+  m_y(NAN)
+{
+}
+
+float CurveViewCursor::x() {
+  return m_x;
+}
+
+float CurveViewCursor::y() {
+  return m_y;
+}
+
+void CurveViewCursor::moveTo(float x, float y) {
+  m_x = x;
+  m_y = y;
+}