Follow-up ba5e8b87 - Fixed working of the "Delete" button

SPE-2237

src/slic3r/GUI/wxExtensions.cpp

@@ -96,8 +96,27 @@ wxMenuItem* append_menu_item(wxMenu* menu, int id, const wxString& string, const
 
 #ifndef __APPLE__
     if (wxAcceleratorEntry* entry = wxAcceleratorEntry::Create(string)) {
-        entry->SetMenuItem(item);
+
-        accelerator_entries_cache().push_back(entry);
+        static const std::set<int> special_keys = {
+                                                WXK_PAGEUP,
+                                                WXK_PAGEDOWN,
+                                                WXK_NUMPAD_PAGEDOWN,
+                                                WXK_END,
+                                                WXK_HOME,
+                                                WXK_LEFT,
+                                                WXK_UP,
+                                                WXK_RIGHT,
+                                                WXK_DOWN,
+                                                WXK_INSERT,
+                                                WXK_DELETE,
+        };
+
+        // Check for special keys not included in the table
+        // see wxMSWKeyboard::WXWORD WXToVK(int wxk, bool *isExtended)
+        if (std::find(special_keys.begin(), special_keys.end(), entry->GetKeyCode()) == special_keys.end()) {
+            entry->SetMenuItem(item);
+            accelerator_entries_cache().push_back(entry);
+        }
     }
 #endif