Merge remote-tracking branch 'origin/master' into ys_color_print_extension

1 files changed, 5 insertions, 1 deletions

diff --git a/src/slic3r/GUI/GUI_ObjectManipulation.cpp b/src/slic3r/GUI/GUI_ObjectManipulation.cpp
index d1cb1348c..5e939cb71 100644
--- a/src/slic3r/GUI/GUI_ObjectManipulation.cpp
+++ b/src/slic3r/GUI/GUI_ObjectManipulation.cpp
@@ -634,7 +634,11 @@ void ObjectManipulation::update_reset_buttons_visibility()
         show_drop_to_bed = (std::abs(min_z) > EPSILON);
     }
 
-    wxGetApp().CallAfter([this, show_rotation, show_scale, show_drop_to_bed]{
+    wxGetApp().CallAfter([this, show_rotation, show_scale, show_drop_to_bed] {
+        // There is a case (under OSX), when this function is called after the Manipulation panel is hidden
+        // So, let check if Manipulation panel is still shown for this moment
+        if (!this->IsShown())
+            return;
         m_reset_rotation_button->Show(show_rotation);
         m_reset_scale_button->Show(show_scale);
         m_drop_to_bed_button->Show(show_drop_to_bed);