Measuring: Added Measure gizmo imgui dialog + removed tech ENABLE_MEASURE_GIZMO_DEBUG + locking of features by pressing CTRL key

src/libslic3r/Measure.cpp

@@ -408,12 +408,10 @@ Measuring::Measuring(const indexed_triangle_set& its)
 Measuring::~Measuring() {}
 
 
-#if ENABLE_MEASURE_GIZMO_DEBUG
 std::vector<SurfaceFeature> Measuring::get_all_features() const
 {
     return priv->get_all_features();
 }
-#endif // ENABLE_MEASURE_GIZMO_DEBUG
 
 
 std::optional<SurfaceFeature> Measuring::get_feature(size_t face_idx, const Vec3d& point) const

src/libslic3r/Measure.hpp

@@ -59,6 +59,10 @@ public:
         return this->m_value == other.m_value;
     }
 
+    bool operator != (const SurfaceFeature& other) const {
+        return !operator == (other);
+    }
+
 private:
     SurfaceFeatureType m_type = SurfaceFeatureType::Undef;
     Vec3d m_pt1;
@@ -79,11 +83,9 @@ public:
     explicit Measuring(const indexed_triangle_set& its);
     ~Measuring();
     
-#if ENABLE_MEASURE_GIZMO_DEBUG
     // Return a reference to a list of all features identified on the its.
     // Use only for debugging. Expensive, do not call often.
     std::vector<SurfaceFeature> get_all_features() const;
-#endif // ENABLE_MEASURE_GIZMO_DEBUG
 
     // Given a face_idx where the mouse cursor points, return a feature that
     // should be highlighted (if any).

src/libslic3r/Technologies.hpp

@@ -68,8 +68,6 @@
 #define ENABLE_RAYCAST_PICKING_DEBUG (0 && ENABLE_RAYCAST_PICKING)
 // Enable Measure Gizmo
 #define ENABLE_MEASURE_GIZMO (1 && ENABLE_RAYCAST_PICKING)
-// Enable debug code for Measure Gizmo
-#define ENABLE_MEASURE_GIZMO_DEBUG (0 && ENABLE_MEASURE_GIZMO)
 
 
 #endif // _prusaslicer_technologies_h_