From dd014136b00569f9ad7f1ba72676b9f8d3d8fea6 Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Thu, 26 Jul 2018 12:51:31 +0200
Subject: [PATCH] Remove hovering on objects when mouse leaves 3D scene

---
 xs/src/slic3r/GUI/GLCanvas3D.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xs/src/slic3r/GUI/GLCanvas3D.cpp b/xs/src/slic3r/GUI/GLCanvas3D.cpp
index 5ad9da9c4..79ec73625 100644
--- a/xs/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/xs/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2678,6 +2678,12 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         m_mouse.set_start_position_2D_as_invalid();
 #endif
     } 
+    else if (evt.Leaving())
+    {
+        // to remove hover when mouse goes out of this canvas
+        m_mouse.position = Pointf((coordf_t)pos.x, (coordf_t)pos.y);
+        render();
+    }
     else if (evt.LeftDClick() && (m_hover_volume_id != -1))
         m_on_double_click_callback.call();
     else if (evt.LeftDown() || evt.RightDown())