Bug 250604 [FieldAssist] API - ContentProposalAdapter needs isShowing() method
Please implement a method ContentProposalAdapter.isShwoing(). The method should return a boolean whether the content assistant proposal popup is open or not.
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
break;
					
					
					
					
					
					
					
					case SWT.Modify:
						if (allowsAutoActivate() && watchModify) {
							if (DEBUG) {
								dump("Modify event triggers popup open or close", e); 
							}
							watchModify = false;
							
							 
							
							
							if (isControlContentEmpty()) {
								
								closeProposalPopup();
							} else {
								
								
								
								
								
								if (autoActivateString == null) {
									autoActivate();
								} else {