From b4b59cb7d2fb639c94741301b2f79bc2126a148c Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Tue, 7 Mar 2023 10:21:58 +0100
Subject: [PATCH] #9945 - Show length of edges in measurement tool

---
 src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp b/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
index ece59beca8..2c1b2cf766 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
@@ -1993,6 +1993,13 @@ void GLGizmoMeasure::on_render_input_window(float x, float y, float bottom_limit
                     radius = ObjectManipulation::mm_to_in * radius;
                 text += " (" + _u8L("Diameter") + ": " + format_double(2.0 * radius) + units + ")";
             }
+            else if (item.feature.has_value() && item.feature->get_type() == Measure::SurfaceFeatureType::Edge) {
+                auto [start, end] = item.feature->get_edge();
+                double length = (end - start).norm();
+                if (use_inches)
+                    length = ObjectManipulation::mm_to_in * length;
+                text += " (" + _u8L("Length") + ": " + format_double(length) + units + ")";
+            }
             return text;
         };