Java Code Examples for com.intellij.codeInsight.hint.HintManagerImpl#getHintPosition()

private void showMessageIfNeeded() {
  if (myWarning != null) {
    myEditor.getScrollingModel().disableAnimation();
    myEditor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
    myEditor.getScrollingModel().enableAnimation();

    LogicalPosition hintPosition = myCaret.getLogicalPosition();
    if (myWarningLocation != null) {
      LogicalPosition targetPosition = myEditor.offsetToLogicalPosition(myWarningLocation.getStartOffset());
      Point targetPoint = myEditor.logicalPositionToXY(targetPosition);
      if (myEditor.getScrollingModel().getVisibleArea().contains(targetPoint)) {
        hintPosition = targetPosition;
      }
    }
    LightweightHint hint = new LightweightHint(HintUtil.createInformationLabel(myWarning));
    Point p = HintManagerImpl.getHintPosition(hint, myEditor, hintPosition, HintManager.ABOVE);
    HintManagerImpl.getInstanceImpl().showEditorHint(hint, myEditor, p, 0, 0, false);
  }
}
 

private void showReferences(Editor editor, List<PsiElement2UsageTargetAdapter> targets, LogicalPosition position) {
    if (targets.isEmpty()) {
        short constraint = HintManager.ABOVE;
        int flags = HintManager.HIDE_BY_ANY_KEY | HintManager.HIDE_BY_TEXT_CHANGE | HintManager.HIDE_BY_SCROLLING;
        JLabel label = new JLabel("No references found");
        label.setBackground(new JBColor(new Color(150, 0, 0), new Color(150, 0, 0)));
        LightweightHint hint = new LightweightHint(label);
        Point p = HintManagerImpl.getHintPosition(hint, editor, position, constraint);
        HintManagerImpl.getInstanceImpl().showEditorHint(hint, editor, p, flags, 0, false,
                HintManagerImpl.createHintHint(editor, p, hint, constraint).setContentActive(false));
    } else {
        List<Usage> usages = new ArrayList<>();
        targets.forEach(ut -> {
            PsiElement elem = ut.getElement();
            usages.add(new UsageInfo2UsageAdapter(new UsageInfo(elem, -1, -1, false)));
        });

        if (editor == null) {
            return;
        }
        Project project = editor.getProject();
        if (project == null) {
            return;
        }
        UsageViewPresentation presentation = createPresentation(targets.get(0).getElement(),
                new FindUsagesOptions(editor.getProject()), false);
        UsageViewManager.getInstance(project)
                .showUsages(new UsageTarget[] { targets.get(0) }, usages.toArray(new Usage[usages.size()]),
                        presentation);
    }
}
 

/**
 * Shows a query context hint under the current caret position.
 * The hint hides after a few seconds or when the user interacts with the editor
 */
private static void showQueryContextHint(Editor editor, String hintText) {
    final HintManagerImpl hintManager = HintManagerImpl.getInstanceImpl();
    final JComponent label = HintUtil.createInformationLabel(hintText);
    final LightweightHint lightweightHint = new LightweightHint(label);
    final Point hintPosition = hintManager.getHintPosition(lightweightHint, editor, HintManager.UNDER);
    hintManager.showEditorHint(lightweightHint, editor, hintPosition, 0, 2000, false, HintManager.UNDER);
}
 

public static void showDecisionEventToolTip(Editor editor, int offset, HintManagerImpl hintMgr, String msg) {
	int flags =
		HintManager.HIDE_BY_ANY_KEY|
			HintManager.HIDE_BY_TEXT_CHANGE|
			HintManager.HIDE_BY_SCROLLING;
	int timeout = 0; // default?
	JComponent infoLabel = HintUtil.createInformationLabel(msg);
	LightweightHint hint = new LightweightHint(infoLabel);
	final LogicalPosition pos = editor.offsetToLogicalPosition(offset);
	final Point p = HintManagerImpl.getHintPosition(hint, editor, pos, HintManager.ABOVE);
	hintMgr.showEditorHint(hint, editor, p, flags, timeout, false);
}
 

public void showHint(@Nonnull LightweightHint hint, @Nonnull Editor editor) {
  if (ApplicationManager.getApplication().isUnitTestMode() || editor.isDisposed()) return;
  final HintManagerImpl hintManager = HintManagerImpl.getInstanceImpl();
  short constraint = HintManager.ABOVE;
  LogicalPosition position = editor.offsetToLogicalPosition(getOffset(editor));
  Point p = HintManagerImpl.getHintPosition(hint, editor, position, constraint);
  if (p.y - hint.getComponent().getPreferredSize().height < 0) {
    constraint = HintManager.UNDER;
    p = HintManagerImpl.getHintPosition(hint, editor, position, constraint);
  }
  hintManager.showEditorHint(hint, editor, p, HintManager.HIDE_BY_ANY_KEY | HintManager.HIDE_BY_TEXT_CHANGE | HintManager.HIDE_BY_SCROLLING, 0, false,
                             HintManagerImpl.createHintHint(editor, p, hint, constraint).setContentActive(false));
}
 

public void showHintAt(@javax.annotation.Nullable Point mousePosition) {
  if (!myTracker.isValid()) return;
  final Disposable disposable = Disposable.newDisposable();

  FileType fileType = getFileType();
  List<DiffFragment> wordDiff = computeWordDiff();

  installMasterEditorHighlighters(wordDiff, disposable);
  JComponent editorComponent = createEditorComponent(fileType, wordDiff);

  ActionToolbar toolbar = buildToolbar(mousePosition, disposable);
  toolbar.updateActionsImmediately(); // we need valid ActionToolbar.getPreferredSize() to calc size of popup
  toolbar.setReservePlaceAutoPopupIcon(false);

  PopupPanel popupPanel = new PopupPanel(myEditor, toolbar, editorComponent);

  LightweightHint hint = new LightweightHint(popupPanel);
  HintListener closeListener = new HintListener() {
    public void hintHidden(final EventObject event) {
      Disposer.dispose(disposable);
    }
  };
  hint.addHintListener(closeListener);

  int line = myEditor.getCaretModel().getLogicalPosition().line;
  Point point = HintManagerImpl.getHintPosition(hint, myEditor, new LogicalPosition(line, 0), HintManager.UNDER);
  if (mousePosition != null) { // show right after the nearest line
    int lineHeight = myEditor.getLineHeight();
    int delta = (point.y - mousePosition.y) % lineHeight;
    if (delta < 0) delta += lineHeight;
    point.y = mousePosition.y + delta;
  }
  point.x -= popupPanel.getEditorTextOffset(); // align main editor with the one in popup

  int flags = HintManager.HIDE_BY_ANY_KEY | HintManager.HIDE_BY_TEXT_CHANGE | HintManager.HIDE_BY_SCROLLING;
  HintManagerImpl.getInstanceImpl().showEditorHint(hint, myEditor, point, flags, -1, false, new HintHint(myEditor, point));

  if (!hint.isVisible()) {
    closeListener.hintHidden(null);
  }
}