private static void showParameterHint(
final PsiElement element,
final Editor editor,
final Object[] descriptors,
final Project project,
@Nullable PsiElement highlighted,
final int elementStart,
final ParameterInfoHandler handler,
final boolean requestFocus) {
if (ParameterInfoController.isAlreadyShown(editor, elementStart)) return;
if (editor.isDisposed() || !editor.getComponent().isVisible()) return;
final ParameterInfoComponent component =
new ParameterInfoComponent(descriptors, editor, handler, requestFocus);
component.setParameterOwner(element);
component.setRequestFocus(requestFocus);
if (highlighted != null) {
component.setHighlightedParameter(highlighted);
}
component.update(); // to have correct preferred size
final LightweightHint hint = new LightweightHint(component);
hint.setSelectingHint(true);
final HintManagerImpl hintManager = HintManagerImpl.getInstanceImpl();
final ShowParameterInfoHandler.BestLocationPointProvider provider =
new MyBestLocationPointProvider(editor);
final Pair<Point, Short> pos =
provider.getBestPointPosition(hint, element, elementStart, true, HintManager.UNDER);
PsiDocumentManager.getInstance(project)
.performLaterWhenAllCommitted(
() -> {
if (editor.isDisposed() || DumbService.isDumb(project)) return;
final Document document = editor.getDocument();
if (document.getTextLength() < elementStart) return;
HintHint hintHint =
HintManagerImpl.createHintHint(editor, pos.getFirst(), hint, pos.getSecond());
hintHint.setExplicitClose(true);
hintHint.setRequestFocus(requestFocus);
Editor editorToShow =
editor instanceof EditorWindow ? ((EditorWindow) editor).getDelegate() : editor;
// is case of injection we need to calculate position for EditorWindow
// also we need to show the hint in the main editor because of intention bulb
hintManager.showEditorHint(
hint,
editorToShow,
pos.getFirst(),
HintManager.HIDE_BY_ESCAPE | HintManager.UPDATE_BY_SCROLLING,
0,
false,
hintHint);
new ParameterInfoController(project, editor, elementStart, hint, handler, provider);
});
}
@TestOnly
public static ParameterInfoUIContextEx createContext(
Object[] objects,
Editor editor,
@NotNull ParameterInfoHandler handler,
int currentParameterIndex,
@Nullable PsiElement parameterOwner) {
final ParameterInfoComponent infoComponent =
new ParameterInfoComponent(objects, editor, handler);
infoComponent.setCurrentParameterIndex(currentParameterIndex);
infoComponent.setParameterOwner(parameterOwner);
return infoComponent.new MyParameterContext();
}