+ implement auto-save function for documents

src/Gui/Application.cpp

@@ -62,6 +62,7 @@
 #include <App/DocumentObjectPy.h>
 
 #include "Application.h"
+#include "AutoSaver.h"
 #include "GuiApplicationNativeEventAware.h"
 #include "MainWindow.h"
 #include "Document.h"
@@ -1695,6 +1696,8 @@ void Application::runApplication(void)
     MainWindow mw;
     mw.setWindowTitle(mainApp.applicationName());
 
+    AutoSaver::instance()->setTimeout(3);
+
     // set toolbar icon size
     ParameterGrp::handle hGrp = WindowParameter::getDefaultParameter()->GetGroup("General");
     int size = hGrp->GetInt("ToolbarIconSize", 0);