WIP: G-code viewer menu, refactoring of starting a background process.

src/slic3r/Utils/Process.hpp

@@ -0,0 +1,19 @@
+#ifndef GUI_PROCESS_HPP
+#define GUI_PROCESS_HPP
+
+class wxWindow;
+
+namespace Slic3r {
+namespace GUI {
+
+// Start a new slicer instance, optionally with a file to open.
+void start_new_slicer(const wxString *path_to_open = nullptr);
+// Start a new G-code viewer instance, optionally with a file to open.
+void start_new_gcodeviewer(const wxString *path_to_open = nullptr);
+// Open a file dialog, ask the user to select a new G-code to open, start a new G-code viewer.
+void start_new_gcodeviewer_open_file(wxWindow *parent = nullptr);
+
+} // namespace GUI
+} // namespace Slic3r
+
+#endif // GUI_PROCESS_HPP