How can I get an event when the user types a key in the TextField of a JComboBox?

Created May 4, 2012

Sandip Chitale

This simply becomes a problem of getting at the textfield of a editable combobox.


if (combo.isEditable()) {
  Component c = combo.getEditor().getEditorComponent();
  if (c instanceof JTextField) {
    JTextField tf = (JTextField) c;
    // now listen for key types or
    // add Document listener to the
    // backing the textfield
  } 
}

How to listen on typed keys is a well understood problem. Hints are -