widget that received the event
widget-dependent string representation of the event location; e.g. for gtk.TreeView, a string representation of gtk.TreePath
background area as passed to CellRenderer.render
cell area as passed to CellRenderer.render
render flags
A new GtkCellEditable for editing this cell, or NULL if editing is not possible
Starts editing the contents of this cell, through a new GtkCellEditable widget created by the gtk.CellRendererClass.start_editing virtual function.