How to use

setItemsToShow

method

in

com.intellij.lang.parameterInfo.CreateParameterInfoContext

@Override
public void showParameterInfo(@NotNull GoArgumentList argList, @NotNull CreateParameterInfoContext context) {
 PsiElement parent = argList.getParent();
 if (!(parent instanceof GoCallExpr)) return;
 GoFunctionType type = findFunctionType(((GoCallExpr)parent).getExpression().getGoType(null));
 if (type != null) {
  context.setItemsToShow(new Object[]{type});
  context.showHint(argList, argList.getTextRange().getStartOffset(), this);
 }
}

@Override
public void showParameterInfo(@NotNull CypherInvocation ci, @NotNull CreateParameterInfoContext context) {
  context.setItemsToShow(new Object[]{ci});
  context.showHint(ci, ci.getTextRange().getStartOffset(), this);
}

@Nullable
@Override
public PsiPerlCallArgumentsImpl findElementForParameterInfo(@NotNull CreateParameterInfoContext context) {
 //		System.err.println("Find for create");
 PsiPerlCallArgumentsImpl callArguments = findCallArguments(context);
 if (callArguments != null) {
  PerlParameterInfo[] methodParameterInfos = getMethodCallArguments(callArguments);
  if (methodParameterInfos == null || methodParameterInfos.length == 0) {
   return null;
  }
  markActiveParameters(callArguments, methodParameterInfos, context.getOffset());
  context.setItemsToShow(methodParameterInfos);
 }
 return callArguments;
}

@Override
public void showParameterInfo(@NotNull MonkeyArguments monkeyArguments, @NotNull CreateParameterInfoContext context) {
 PsiElement parent = monkeyArguments.getParent();
 PsiElement prevSibling = parent.getPrevSibling();
 if (prevSibling instanceof MonkeyReferenceExpression) {
  MonkeyReferenceExpression referenceExpression = (MonkeyReferenceExpression) prevSibling;
  MonkeyFunctionDeclaration monkeyFunctionDeclaration = resolveCall(referenceExpression);
  if (monkeyFunctionDeclaration != null) {
   context.setItemsToShow(new Object[]{monkeyFunctionDeclaration});
   context.showHint(monkeyArguments, monkeyArguments.getTextRange().getStartOffset(), this);
  }
 }
}