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xs/CMakeLists.txt

@@ -177,6 +177,8 @@ add_library(libslic3r_gui STATIC
     ${LIBDIR}/slic3r/GUI/PresetHints.hpp
     ${LIBDIR}/slic3r/GUI/GUI.cpp
     ${LIBDIR}/slic3r/GUI/GUI.hpp
+    ${LIBDIR}/slic3r/GUI/wxExtensions.cpp
+    ${LIBDIR}/slic3r/GUI/wxExtensions.hpp
 )
 
 add_library(admesh STATIC

xs/src/slic3r/GUI/GUI.cpp

@@ -5,6 +5,9 @@
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/filesystem.hpp>
 
+#include <boost/algorithm/string/split.hpp>
+#include <boost/algorithm/string/classification.hpp>
+
 #if __APPLE__
 #import <IOKit/pwr_mgt/IOPMLib.h>
 #elif _WIN32
@@ -20,6 +23,9 @@
 #include <wx/notebook.h>
 #include <wx/panel.h>
 #include <wx/sizer.h>
+#include <wx/combo.h>
+
+#include "slic3r/gui/wxextensions.hpp"
 
 namespace Slic3r { namespace GUI {
 
@@ -183,4 +189,46 @@ void create_preset_tab(const char *name)
     g_wxTabPanel->AddPage(panel, name);
 }
 
+void create_combochecklist(wxComboCtrl* comboCtrl, std::string text, std::string items, bool initial_value)
+{
+    wxCheckListBoxComboPopup* popup = new wxCheckListBoxComboPopup(-1);
+    if (popup != nullptr)
+    {
+        comboCtrl->SetPopupControl(popup);
+        popup->SetStringValue(text);
+        popup->Connect(-1, wxEVT_CHECKLISTBOX, wxCommandEventHandler(wxCheckListBoxComboPopup::OnCheckListBox), nullptr, popup);
+        popup->Connect(-1, wxEVT_LISTBOX, wxCommandEventHandler(wxCheckListBoxComboPopup::OnListBoxSelection), nullptr, popup);
+
+        std::vector<std::string> items_str;
+        boost::split(items_str, items, boost::is_any_of("|"), boost::token_compress_off);
+
+        for (const std::string& item : items_str)
+        {
+            popup->Append(item);
+        }
+
+        for (unsigned int i = 0; i < popup->GetCount(); ++i)
+        {
+            popup->Check(i, initial_value);
+        }
+    }
+}
+
+int combochecklist_get_flags(wxComboCtrl* comboCtrl)
+{
+    int flags = 0;
+
+    wxCheckListBoxComboPopup* popup = wxDynamicCast(comboCtrl->GetPopupControl(), wxCheckListBoxComboPopup);
+    if (popup != nullptr)
+    {
+        for (unsigned int i = 0; i < popup->GetCount(); ++i)
+        {
+            if (popup->IsChecked(i))
+                flags += (int)std::pow(2.0f, (float)i);
+        }
+    }
+
+    return flags;
+}
+
 } }

xs/src/slic3r/GUI/GUI.hpp

@@ -8,6 +8,7 @@ class wxApp;
 class wxFrame;
 class wxMenuBar;
 class wxNotebook;
+class wxComboCtrl;
 
 namespace Slic3r { namespace GUI {
 
@@ -27,6 +28,16 @@ void add_debug_menu(wxMenuBar *menu);
 // add it at the end of the tab panel.
 void create_preset_tab(const char *name);
 
-} }
+// Creates a wxCheckListBoxComboPopup inside the given wxComboCtrl, filled with the given text and items.
+// Items are all initialized to the given value.
+// Items must be separated by '|', for example "Item1|Item2|Item3", and so on.
+void create_combochecklist(wxComboCtrl* comboCtrl, std::string text, std::string items, bool initial_value);
+
+// Returns the current state of the items listed in the wxCheckListBoxComboPopup contained in the given wxComboCtrl,
+// encoded inside an int.
+int combochecklist_get_flags(wxComboCtrl* comboCtrl);
+
+}
+}
 
 #endif

xs/src/slic3r/GUI/wxExtensions.cpp

@@ -0,0 +1,74 @@
+#include "wxExtensions.hpp"
+
+const unsigned int wxCheckListBoxComboPopup::Height = 200;
+
+wxCheckListBoxComboPopup::wxCheckListBoxComboPopup(wxWindowID id)
+    : m_id(id)
+    , m_text(wxEmptyString)
+{
+}
+
+bool wxCheckListBoxComboPopup::Create(wxWindow* parent)
+{
+    return wxCheckListBox::Create(parent, m_id, wxPoint(0, 0));
+}
+
+wxWindow* wxCheckListBoxComboPopup::GetControl()
+{
+    return this;
+}
+
+void wxCheckListBoxComboPopup::SetStringValue(const wxString& value)
+{
+    m_text = value;
+}
+
+wxString wxCheckListBoxComboPopup::GetStringValue() const
+{
+    return m_text;
+}
+
+wxSize wxCheckListBoxComboPopup::GetAdjustedSize(int minWidth, int prefHeight, int maxHeight)
+{
+    // matches owner wxComboCtrl's width
+
+    wxComboCtrl* cmb = GetComboCtrl();
+    if (cmb != nullptr)
+    {
+        wxSize size = GetComboCtrl()->GetSize();
+        size.SetHeight(Height);
+        return size;
+    }
+    else
+        return wxSize(200, Height);
+}
+
+void wxCheckListBoxComboPopup::OnCheckListBox(wxCommandEvent& evt)
+{
+    // forwards the checklistbox event to the owner wxComboCtrl
+
+    wxComboCtrl* cmb = GetComboCtrl();
+    if (cmb != nullptr)
+    {
+        wxCommandEvent event(wxEVT_CHECKLISTBOX, cmb->GetId());
+        cmb->ProcessWindowEvent(event);
+    }
+}
+
+void wxCheckListBoxComboPopup::OnListBoxSelection(wxCommandEvent& evt)
+{
+    // transforms list box item selection event into checklistbox item toggle event 
+
+    int selId = GetSelection();
+    if (selId != wxNOT_FOUND)
+    {
+        Toggle((unsigned int)selId);
+        SetSelection(wxNOT_FOUND);
+
+        wxCommandEvent event(wxEVT_CHECKLISTBOX, GetId());
+        event.SetInt(selId);
+        event.SetEventObject(this);
+        event.SetString(GetString(selId));
+        ProcessEvent(event);
+    }
+}

xs/src/slic3r/GUI/wxExtensions.hpp

@@ -0,0 +1,27 @@
+#ifndef slic3r_GUI_wxExtensions_hpp_
+#define slic3r_GUI_wxExtensions_hpp_
+
+#include <wx/checklst.h>
+#include <wx/combo.h>
+
+class wxCheckListBoxComboPopup : public wxCheckListBox, public wxComboPopup
+{
+    static const unsigned int Height;
+
+    wxWindowID m_id;
+    wxString m_text;
+
+public:
+    explicit wxCheckListBoxComboPopup(wxWindowID id);
+
+    virtual bool Create(wxWindow* parent);
+    virtual wxWindow* GetControl();
+    virtual void SetStringValue(const wxString& value);
+    virtual wxString GetStringValue() const;
+    virtual wxSize GetAdjustedSize(int minWidth, int prefHeight, int maxHeight);
+
+    void OnCheckListBox(wxCommandEvent& evt);
+    void OnListBoxSelection(wxCommandEvent& evt);
+};
+
+#endif // slic3r_GUI_wxExtensions_hpp_

xs/xsp/GUI.xsp

@@ -37,3 +37,10 @@ void add_debug_menu(SV *ui)
 
 void create_preset_tab(const char *name)
     %code%{ Slic3r::GUI::create_preset_tab(name); %};
+
+void create_combochecklist(SV *ui, std::string text, std::string items, bool initial_value)
+    %code%{ Slic3r::GUI::create_combochecklist((wxComboCtrl*)wxPli_sv_2_object(aTHX_ ui, "Wx::ComboCtrl"), text, items, initial_value); %};
+        
+int combochecklist_get_flags(SV *ui)
+    %code%{ RETVAL=Slic3r::GUI::combochecklist_get_flags((wxComboCtrl*)wxPli_sv_2_object(aTHX_ ui, "Wx::ComboCtrl")); %};
+