[Kdenlive-devel] What is factory()

[Ruslan Popov]

After long time I am back to kdenlive sources. Don't understand what is 
factory() in the following code:
00195 QPopupMenu *ProjectList::contextMenu()
00196 {
00197         QPopupMenu *menu = (QPopupMenu 
*)m_app->factory()->container("projectlist_context", m_app);
00198 
00199         return menu;
00200 }
I have checked Qt docs, Kdenlive sources but found nothing.
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