Search improvements. Code refactoring so its easier to maintain. Experimental features for speed dial: connect/disconnect from printer.

src/slic3r/GUI/Plater.hpp

@@ -354,6 +354,9 @@ public:
     void add_file();
     // Returns false when no object was added (e.g. the user cancelled the load dialog).
     bool add_model(bool imperial_units = false, std::string fname = "");
+    // Opens the connection/management dialog appropriate for the current printer's
+    // technology: the machine picker for BBL/printer-agents, the print-host dialog otherwise.
+    void connect_to_printer();
     void import_zip_archive();
     void import_sl1_archive();
     void extract_config_from_project();