Fixed disappearing visual hints when the user presses the ENTER key while editing one of the object manipulators fields

src/slic3r/GUI/Field.cpp

@@ -260,8 +260,8 @@ void TextCtrl::BUILD() {
             e.Skip();
             temp->GetToolTip()->Enable(true);
 #endif // __WXGTK__
-            propagate_value();
             bEnterPressed = true;
+            propagate_value();
         }), temp->GetId());
     }
 

src/slic3r/GUI/Field.hpp

@@ -225,6 +225,9 @@ public:
         m_em_unit = em_unit(m_parent);
     }
 
+    bool get_enter_pressed() const { return bEnterPressed; }
+    void set_enter_pressed(bool pressed) { bEnterPressed = pressed; }
+
 protected:
 	RevertButton*			m_Undo_btn = nullptr;
 	// Bitmap and Tooltip text for m_Undo_btn. The wxButton will be updated only if the new wxBitmap pointer differs from the currently rendered one.

src/slic3r/GUI/GUI_ObjectManipulation.cpp

@@ -527,11 +527,21 @@ void ObjectManipulation::do_scale(int axis, const Vec3d &scale) const
 
 void ObjectManipulation::on_change(t_config_option_key opt_key, const boost::any& value)
 {
-    // needed to hide the visual hints in 3D scene
+    Field* field = m_og->get_field(opt_key);
+    bool enter_pressed = (field != nullptr) && field->get_enter_pressed();
+    if (!enter_pressed)
+    {
+        // if the change does not come from the user pressing the ENTER key
+        // we need to hide the visual hints in 3D scene
         wxGetApp().plater()->canvas3D()->handle_sidebar_focus_event(opt_key, false);
+
 #ifndef __APPLE__
         m_focused_option = "";
 #endif // __APPLE__
+    }
+    else
+        // if the change comes from the user pressing the ENTER key, restore the key state
+        field->set_enter_pressed(false);
 
     if (!m_cache.is_valid())
         return;