save_text_file
Description:
[ Version ( since = "4.18" ) ]
public async File? save_text_file (Window? parent, Cancellable? cancellable, out unowned string encoding, out unowned string line_ending) throws Error
  public async File? save_text_file (Window? parent, Cancellable? cancellable, out unowned string encoding, out unowned string line_ending) throws Error
Initiates a file save operation by presenting a file chooser dialog to the user.
In contrast to [method@Gtk.FileDialog.save], this function lets the user select the text encoding and line endings for the text file, if possible.
The callback will be called when the dialog is dismissed.
Parameters:
| this | 
           a `GtkFileDialog`  | 
      
| parent | 
           the parent `GtkWindow`  | 
      
| cancellable | 
           a `GCancellable` to cancel the operation  | 
      
| callback | 
           a callback to call when the operation is complete  | 
      
| user_data | 
           data to pass to   |