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