Measure: Update measure gizmo tooltip

src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp

@@ -182,6 +182,14 @@ protected:
 
     void remove_selected_sphere_raycaster(int id);
     void update_measurement_result();
+
+    // Orca
+    void show_tooltip_information(float caption_max, float x, float y);
+
+private:
+    // This map holds all translated description texts, so they can be easily referenced during layout calculations
+    // etc. When language changes, GUI is recreated and this class constructed again, so the change takes effect.
+    std::map<std::string, wxString> m_desc;
 };
 
 } // namespace GUI