Add virtual function to process mouse_event

src/slic3r/GUI/Gizmos/GLGizmoBase.hpp

@@ -113,7 +113,7 @@ public:
     GLGizmoBase(GLCanvas3D& parent,
                 const std::string& icon_filename,
                 unsigned int sprite_id);
-    virtual ~GLGizmoBase() {}
+    virtual ~GLGizmoBase() = default;
 
     bool init() { return on_init(); }
 
@@ -167,6 +167,13 @@ public:
 
     virtual std::string get_tooltip() const { return ""; }
 
+    /// <summary>
+    /// Implement when want to process mouse events in gizmo
+    /// Click, Right click, move, drag, ...
+    /// </summary>
+    /// <param name="mouse_event">Keep information about mouse click</param>
+    /// <returns>Return True when use the information and don't want to propagate it otherwise False.</returns>
+    virtual bool on_mouse(const wxMouseEvent &mouse_event) { return false; }
 protected:
     virtual bool on_init() = 0;
     virtual void on_load(cereal::BinaryInputArchive& ar) {}