WIP: Moved sources int src/, separated most of the source code from Perl.

The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.

src/slic3r/GUI/ConfigWizard.hpp

@@ -0,0 +1,50 @@
+#ifndef slic3r_ConfigWizard_hpp_
+#define slic3r_ConfigWizard_hpp_
+
+#include <memory>
+
+#include <wx/dialog.h>
+
+namespace Slic3r {
+
+class PresetBundle;
+class PresetUpdater;
+
+namespace GUI {
+
+
+class ConfigWizard: public wxDialog
+{
+public:
+	// Why is the Wizard run
+	enum RunReason {
+		RR_DATA_EMPTY,                  // No or empty datadir
+		RR_DATA_LEGACY,                 // Pre-updating datadir
+		RR_DATA_INCOMPAT,               // Incompatible datadir - Slic3r downgrade situation
+		RR_USER,                        // User requested the Wizard from the menus
+	};
+
+	ConfigWizard(wxWindow *parent, RunReason run_reason);
+	ConfigWizard(ConfigWizard &&) = delete;
+	ConfigWizard(const ConfigWizard &) = delete;
+	ConfigWizard &operator=(ConfigWizard &&) = delete;
+	ConfigWizard &operator=(const ConfigWizard &) = delete;
+	~ConfigWizard();
+
+	// Run the Wizard. Return whether it was completed.
+	bool run(PresetBundle *preset_bundle, const PresetUpdater *updater);
+
+	static const wxString& name();
+private:
+	struct priv;
+	std::unique_ptr<priv> p;
+
+	friend class ConfigWizardPage;
+};
+
+
+
+}
+}
+
+#endif