--- a/src/hierarchyelement.cpp Thu Feb 23 20:18:39 2017 +0200 +++ b/src/hierarchyelement.cpp Thu Feb 23 20:21:40 2017 +0200 @@ -35,11 +35,10 @@ if (m_window == nullptr) { - // Drat! It doesn't seem to have the MainWindow as a parent! We'll need to force it to be in one. - // This shouldn't have any side effects but also shouldn't happen regardless. - m_window = g_win; - print("Hierarchy element instance %1 should have a MainWindow parent, but it is %2 (%3).\n", this, - parent, parent ? parent->metaObject()->className() : "nullptr"); + // The MainWindow relation should have been found. + QString error = format("Hierarchy element instance %1 should have a MainWindow parent, but it is %2 (%3).\n", + this, parent, parent ? parent->metaObject()->className() : "nullptr"); + throw std::runtime_error {error.toUtf8().constData()}; } m_documents = m_window->documents(); @@ -87,4 +86,4 @@ { QString caLicenseText = "!LICENSE Redistributable under CCAL version 2.0 : see CAreadme.txt"; return m_config->useCaLicense() ? caLicenseText : ""; -} \ No newline at end of file +}