Start to Split GUI_ObjectParts:

+ created GUI_ObjectList & GUI_ObjectManipulation classes

src/slic3r/GUI/GUI_ObjectList.hpp

@@ -0,0 +1,50 @@
+#ifndef slic3r_GUI_ObjectList_hpp_
+#define slic3r_GUI_ObjectList_hpp_
+
+#include <wx/panel.h>
+#include <wx/bitmap.h>
+
+class wxBoxSizer;
+class wxDataViewCtrl;
+class wxDataViewColumn;
+class PrusaObjectDataViewModel;
+
+namespace Slic3r {
+namespace GUI {
+
+class ConfigOptionsGroup;
+
+class ObjectList
+{
+    wxBoxSizer                  *m_sizer {nullptr};
+    wxDataViewCtrl				*m_objects_ctrl{ nullptr };
+    PrusaObjectDataViewModel	*m_objects_model{ nullptr };
+    wxWindow                    *m_parent{ nullptr };
+
+    wxBitmap	m_icon_modifiermesh;
+    wxBitmap	m_icon_solidmesh;
+    wxBitmap	m_icon_manifold_warning;
+    wxBitmap	m_bmp_cog;
+    wxBitmap	m_bmp_split;
+
+    int			m_selected_object_id = -1;
+
+public:
+    ObjectList(wxWindow* parent);
+    ~ObjectList() {}
+
+    void                create_objects_ctrl();
+    wxDataViewColumn*   create_objects_list_extruder_column(int extruders_count);
+    void                update_objects_list_extruder_column(int extruders_count);
+
+    void                set_tooltip_for_item(const wxPoint& pt);
+
+    wxPoint             get_mouse_position_in_control();
+    wxBoxSizer*         get_sizer(){return  m_sizer;}
+    int                 get_sel_obj_id() { return m_selected_object_id; }
+};
+
+
+}}
+
+#endif //slic3r_GUI_ObjectList_hpp_