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
* proposal provider. This method returns immediately. That is, it does not
	 * wait for a proposal to be selected.
	 */
	protected void openProposalPopup() {
		if (isValid()) {
			if (popup == null) {
				recordCursorPosition();
				popup = new ContentProposalPopup(null);
				popup.open();
				popup.getShell().addDisposeListener(new DisposeListener() {
					public void widgetDisposed(DisposeEvent event) {
						popup = null;
					}
				});
			}
		}
	}
	/*
	 * A content proposal has been accepted. Update the control contents
	 * accordingly and notify any listeners.
	 * 
	 * @param proposal the accepted proposal
	 */
	private void proposalAccepted(IContentProposal proposal) {
		switch (proposalAcceptanceStyle) {
		case (PROPOSAL_REPLACE):
			setControlContent(proposal.getContent(), proposal
					.getCursorPosition());
			break;
		case (PROPOSAL_INSERT):