Merge branch 'dev_native' of https://github.com/prusa3d/Slic3r into dev_native

src/slic3r/GUI/GUI_ObjectList.hpp

@@ -4,6 +4,7 @@
 #include <wx/bitmap.h>
 #include <wx/dataview.h>
 #include <map>
+#include <vector>
 
 class wxBoxSizer;
 class PrusaObjectDataViewModel;

src/slic3r/GUI/OptionsGroup.cpp

@@ -395,19 +395,25 @@ bool ConfigOptionsGroup::update_visibility(ConfigOptionMode mode) {
         return m_options_mode[0] <= mode;
 
     sizer->ShowItems(true);
+#ifdef __WXGTK__
+    m_panel->Show(true);
+    m_grid_sizer->Show(true);
+#endif /* __WXGTK__ */
 
     int coef = 0;
+    int hidden_row_cnt = 0;
     const int cols = m_grid_sizer->GetCols();
     for (auto opt_mode : m_options_mode) {
 		const bool show = opt_mode <= mode;
         if (!show) {
+            hidden_row_cnt++;
             for (int i = 0; i < cols; ++i)
                 m_grid_sizer->Show(coef + i, show);
         }
         coef+= cols;
 	}
 
-    if (!sizer->IsShown(m_grid_sizer)) {
+    if (hidden_row_cnt == m_options_mode.size()) {
         sizer->ShowItems(false);
         return false;
     }

src/slic3r/GUI/Tab.cpp

@@ -476,7 +476,7 @@ void Tab::get_sys_and_mod_flags(const std::string& opt_key, bool& sys_page, bool
 void Tab::update_changed_tree_ui()
 {
 	auto cur_item = m_treectrl->GetFirstVisibleItem();
-    if (!m_treectrl->IsVisible(cur_item))
+    if (!cur_item || !m_treectrl->IsVisible(cur_item))
         return;
 	auto selection = m_treectrl->GetItemText(m_treectrl->GetSelection());
 	while (cur_item){

src/slic3r/GUI/wxExtensions.hpp

@@ -12,6 +12,7 @@
 
 #include <vector>
 #include <set>
+#include <functional>
 
 wxMenuItem* append_menu_item(wxMenu* menu, int id, const wxString& string, const wxString& description,
     std::function<void(wxCommandEvent& event)> cb, const std::string& icon = "", wxEvtHandler* event_handler = nullptr);