EntryCompletion.computePrefix

string computePrefix(string key)

Computes the common prefix that is shared by all rows in completion that start with key.

If no row matches key, null will be returned. Note that a text column must have been set for this function to work, see [gtk.entry_completion.EntryCompletion.setTextColumn] for details.

Parameters

key The text to complete for

Returns

The common prefix all rows

starting with key

Deprecated

GtkEntryCompletion will be removed in GTK 5.