Bug 182505 [FieldAssist] API - ContentProposalAdapter needs hasProposalPopupFocus() method
Please implement a method ContentProposalAdapter.hasProposalPopupFocus() like org.eclipse.jface.text.contentassist.ContentAssistant.hasProposalPopupFocus(). The method should return a boolean whether the content assistant proposal popup has the focus or not.
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
Point location = control.getDisplay().map(control.getParent(),
					null, control.getLocation());
			int initialX = location.x + POPUP_OFFSET;
			int initialY = location.y + control.getSize().y + POPUP_OFFSET;
			
			
			if (getProposalAcceptanceStyle() == PROPOSAL_INSERT) {
				Rectangle insertionBounds = controlContentAdapter
						.getInsertionBounds(control);
				initialX = initialX + insertionBounds.x;
				initialY = location.y + insertionBounds.y
						+ insertionBounds.height;
			}
			
			
			if (popupSize == null) {
				GridData data = new GridData(GridData.FILL_BOTH);
				data.heightHint = proposalTable.getItemHeight()
						* POPUP_CHAR_HEIGHT;
				data.widthHint = Math.max(control.getSize().x,
						POPUP_MINIMUM_WIDTH);
				proposalTable.setLayoutData(data);
				getShell().pack();
				popupSize = getShell().getSize();
			}
			getShell().setBounds(initialX, initialY, popupSize.x, popupSize.y);
			
			getShell().addListener(SWT.Resize, new Listener() {
				public void handleEvent(Event e) {