src/core/contexts/qtwindowcontext.cpp
@@ -219,8 +219,10 @@ case QEvent::MouseButtonDblClick: { if (me->button() == Qt::LeftButton && inTitleBar && !fixedSize) { Qt::WindowFlags windowFlags = delegate->getWindowFlags(host); Qt::WindowStates windowState = delegate->getWindowState(host); if (!(windowState & Qt::WindowFullScreen)) { if ((windowFlags & Qt::WindowMaximizeButtonHint) && !(windowState & Qt::WindowFullScreen)) { if (windowState & Qt::WindowMaximized) { delegate->setWindowState(host, windowState & ~Qt::WindowMaximized); } else {