Function runOnUiThread

src/gui/gui.h:23–32

template <typename R>
static inline R runOnUiThread(std::function<R()> callback)
{
    R retvar;
    runOnUiThread(
        [&]()
        {
            retvar = callback();
        });
    return retvar;
}

class FluxEngineApp : public wxApp, public wxThreadHelper
{