Method textHint

kdevplatform/debugger/variable/variablecollection.cpp:522–559

}

QString VariableProvider::textHint(KTextEditor::View* view, const KTextEditor::Cursor& cursor)
{
    if (!hasStartedSession())
        return QString();

    if (ICore::self()->uiController()->activeArea()->objectName() != QLatin1String("debug"))
        return QString();

    //TODO: These keyboardModifiers should also hide already opened tooltip, and show another one for code area.
    if (QApplication::keyboardModifiers() == Qt::ControlModifier ||
        QApplication::keyboardModifiers() == Qt::AltModifier){
        return QString();
    }

    KTextEditor::Document* doc = view->document();

    KTextEditor::Range expressionRange = currentSession()->variableController()->expressionRangeUnderCursor(doc, cursor);

    if (!expressionRange.isValid())
        return QString();
    QString expression = doc->text(expressionRange).trimmed();

    // Don't do anything if there's already an open tooltip with matching range
    if (m_collection->m_activeTooltip && m_collection->m_activeTooltip->variable()->expression() == expression)
        return QString();
    if (expression.isEmpty())
        return QString();

    QPoint local = view->cursorToCoordinate(cursor);
    QPoint global = view->mapToGlobal(local);
    QWidget* w = view->childAt(local);
    if (!w)
        w = view;

    m_collection->m_activeTooltip = new VariableToolTip(w, global+QPoint(30,30), expression);
    m_collection->m_activeTooltip->setHandleRect(KTextEditorHelpers::itemBoundingRect(view, expressionRange));
    return QString();
}

}