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/TabIface.hpp

@@ -0,0 +1,41 @@
+#ifndef slic3r_TabIface_hpp_
+#define slic3r_TabIface_hpp_
+
+#include <vector>
+#include <string>
+
+namespace Slic3r {
+	class DynamicPrintConfig;
+	class PresetCollection;
+
+namespace GUI {
+	class Tab;
+}
+
+class TabIface {
+public:
+	TabIface() : m_tab(nullptr) {}
+	TabIface(GUI::Tab *tab) : m_tab(tab) {}
+//	TabIface(const TabIface &rhs) : m_tab(rhs.m_tab) {}
+
+	void		load_current_preset();
+	void		update_tab_ui();
+	void		update_ui_from_settings();
+	void		select_preset(char* name);
+	std::string title();
+	void		load_config(DynamicPrintConfig* config);
+	void		load_key_value(char* opt_key, char* value);
+	bool		current_preset_is_dirty();
+	void		OnActivate();
+	DynamicPrintConfig*			get_config();
+	PresetCollection*			get_presets();
+	std::vector<std::string>	get_dependent_tabs();
+	size_t						get_selected_preset_item();
+
+protected:
+	GUI::Tab   *m_tab;
+}; // namespace GUI
+
+}; // namespace Slic3r
+
+#endif /* slic3r_TabIface_hpp_ */