From 9f94f89808d9651438f51cf45beffb02eaea0f9a Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Mon, 8 Jun 2020 14:37:40 +0200
Subject: [PATCH] ENABLE_GCODE_VIEWER_AS_STATE -> Smoother transition between
 states

---
 src/slic3r/GUI/MainFrame.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index f9e757251f..efc3efa8a3 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -1163,6 +1163,8 @@ void MainFrame::set_mode(EMode mode)
     {
         m_plater->reset();
 
+        m_plater->Freeze();
+
         // switch view
         m_plater->select_view_3D("3D");
         m_plater->select_view("iso");
@@ -1187,6 +1189,8 @@ void MainFrame::set_mode(EMode mode)
             m_restore_from_gcode_viewer.collapsed_sidebar = false;
         }
 
+        m_plater->Thaw();
+
         break;
     }
     case EMode::GCodeViewer:
@@ -1194,6 +1198,8 @@ void MainFrame::set_mode(EMode mode)
         m_plater->reset();
         m_plater->reset_last_loaded_gcode();
 
+        m_plater->Freeze();
+
         // reinitialize undo/redo stack
         m_plater->clear_undo_redo_stack_main();
         m_plater->take_snapshot(_L("New Project"));
@@ -1222,6 +1228,8 @@ void MainFrame::set_mode(EMode mode)
             m_restore_from_gcode_viewer.collapsed_sidebar = true;
         }
 
+        m_plater->Thaw();
+
         break;
     }
     }