Connect to EditingDone signal.
Connect to RemoveWidget signal.
Emits the #GtkCellEditable::editing-done signal.
Emits the #GtkCellEditable::remove-widget signal.
Begins editing on a cell_editable.
Get editingCanceled property.
Set editingCanceled property.
The #GtkCellEditable interface must be implemented for widgets to be usable to edit the contents of a #GtkTreeView cell. It provides a way to specify how temporary widgets should be configured for editing, get the new value, etc.