int RootController::presentDialog(QDialog *dialog)
{
setDismissable(false);
presentWidget(dialog, false);
const int ret = dialog->exec();
setDismissable(true);
dismissWidget();
return ret;
}
void RootController::dismissAllWidgets()
{
if(!m_dismissable) return;
while(m_stack.size() > 1) dismissWidget();
}