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
* Return the current selected proposal.
		 */
		private IContentProposal getSelectedProposal() {
			if (isValid()) {
				int i = proposalTable.getSelectionIndex();
				if (proposals == null || i < 0 || i >= proposals.length) {
					return null;
				}
				return proposals[i];
			}
			return null;
		}
		/*
		 * Select the proposal at the given index.
		 */
		private void selectProposal(int index) {
			Assert
					.isTrue(index >= 0,
							"Proposal index should never be negative"); 
			if (!isValid() || proposals == null || index >= proposals.length) {
				return;
			}
			proposalTable.setSelection(index);
			proposalTable.showSelection();
			showProposalDescription(proposals[index].getDescription());
		}
		/**
		 * Opens this ContentProposalPopup. This method is extended in order to
		 * add the control listener when the popup is opened and to invoke the
		 * secondary popup if applicable.