Bug 133536 [Field Assist] - PageUp and PageDown in ContentAssistFields change combo contents
I20060328-0010 To reproduce: - open Find/Replace dialog - find some text, such that the MRU combo for the Find field contains something - enable regex - invoke content assist in Find field => pressing PageUp or PageDown changes the Find field text as welll => pressing Home or End moves the caret in the Find field as well All these keys should only move the selection in the popup list.
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
*/
	private static final boolean USE_VIRTUAL = !"motif".equals(SWT.getPlatform()); 
	/*
	 * The delay before showing a secondary popup.
	 */
	private static final int POPUP_DELAY = 750;
	/*
	 * The character height hint for the popup. May be overridden by using
	 * setInitialPopupSize.
	 */
	private static final int POPUP_CHAR_HEIGHT = 10;
	/*
	 * The minimum pixel width for the popup. May be overridden by using
	 * setInitialPopupSize.
	 */
	private static final int POPUP_MINIMUM_WIDTH = 300;
	/*
	 * The pixel offset of the popup from the bottom corner of the control.
	 */
	private static final int POPUP_OFFSET = 3;
	/*
	 * Empty string.
	 */
	private static final String EMPTY = ""; 
	/*
	 * The object that provides content proposals.
	 */
	private IContentProposalProvider proposalProvider;
	/*
	 * A label provider used to display proposals in the popup, and to extract