Bug 271339 [FieldAssist] Add CC text field content assist doesn't work as expected when narrowing suggestions
Continued typing in the text field should narrow the list of results displayed in the suggest list. On Carbon, this is how it works: # Open any Bugzilla bug in the Mylyn task editor # position the caret in the 'Add CC' field # press CTRL+Space # observe suggested values # start typing (slowly) 'dg' # notice that with each successive character the list is narrowed to fewer matching results # start typing backspace (slowly) to delete the characters in the text field # notice that the list is expanded to show additional matching results as the characters are deleted On Cocoa, typing in the text field after the suggest list is displayed causes the suggest list to go away.
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
*/
	private ContentProposalPopup popup;
	/*
	 * The keystroke that signifies content proposals should be shown.
	 */
	private KeyStroke triggerKeyStroke;
	/*
	 * The String containing characters that auto-activate the popup.
	 */
	private String autoActivateString;
	/*
	 * Integer that indicates how an accepted proposal should affect the
	 * control. One of PROPOSAL_IGNORE, PROPOSAL_INSERT, or PROPOSAL_REPLACE.
	 * Default value is PROPOSAL_INSERT.
	 */
	private int proposalAcceptanceStyle = PROPOSAL_INSERT;
	/*
	 * A boolean that indicates whether key events received while the proposal
	 * popup is open should also be propagated to the control. Default value is
	 * true.
	 */
	private boolean propagateKeys = true;
	/*
	 * Integer that indicates the filtering style. One of FILTER_CHARACTER,
	 * FILTER_CUMULATIVE, FILTER_NONE.
	 */
	private int filterStyle = FILTER_NONE;
	/*
	 * The listener we install on the control.
	 */