setSettings 
  Sets the GtkPrintSettings for the GtkPrintUnixDialog.
Typically, this is used to restore saved print settings from a previous print operation before the print dialog is shown.
Parameters
settings
a GtkPrintSettings
Sets the GtkPrintSettings for the GtkPrintUnixDialog.
Typically, this is used to restore saved print settings from a previous print operation before the print dialog is shown.
a GtkPrintSettings