So, the generated form looks like this:
Panel."panel-quick" {
Size = (110, 400);
Renderer {
backgroundcolor = #7F7F7F;
bordercolor = black;
font = "/home/denis/projects/test-sfml/data/ubuntu_font/Ubuntu-C.ttf";
padding = (2, 2, 2, 2);
texturebackground = None;
}
}
Loading:
m_tgui->loadWidgetsFromFile("/home/denis/projects/test-sfml/data/themes/test.txt", true);
I'm getting this error:
tgui/src/TGUI/Container.cpp:218: virtual void tgui::Container::add(const Ptr&, const sf::String&): Assertion `widgetPtr != nullptr' failed.