NEW: Add FilamentMapDialog

support drag drop to modify the filament map
jira: none

Change-Id: I0ed3180a0fa8e95e7c871bb039eb844faccd1344
(cherry picked from commit 67f67d76889668fdd80ae5e496b6cbca5f771a43)

src/slic3r/GUI/DragDropPanel.hpp

@@ -0,0 +1,39 @@
+#ifndef slic3r_DragDropPanel_hpp_
+#define slic3r_DragDropPanel_hpp_
+
+#include "GUI.hpp"
+#include "GUI_Utils.hpp"
+
+#include <wx/simplebook.h>
+#include <wx/dialog.h>
+#include <wx/timer.h>
+#include <vector>
+
+
+namespace Slic3r { namespace GUI {
+
+class ColorPanel;
+class DragDropPanel : public wxPanel
+{
+public:
+    DragDropPanel(wxWindow *parent, const wxString &label);
+
+    void AddColorBlock(const wxColour &color, int filament_id);
+    void RemoveColorBlock(ColorPanel *panel);
+    void DoDragDrop(ColorPanel *panel, const wxColour &color, int filament_id);
+
+    std::vector<int> GetAllFilaments() const;
+
+    void set_is_draging(bool is_draging) { m_is_draging = is_draging; }
+    bool is_draging() const { return m_is_draging; }
+
+private:
+    wxBoxSizer *m_sizer;
+    wxGridSizer *m_grid_item_sizer;
+
+private:
+    bool m_is_draging = false;
+};
+}} // namespace Slic3r::GUI
+
+#endif /* slic3r_DragDropPanel_hpp_ */