Function TriSetLanguage

engine/Poseidon/Game/Commands/GameStateExtTest.cpp:1556–1563

triSetLanguage "lang" — switch stringtable column and fire language-changed callbacks. Returns true if the call succeeded (or was a no-op on same language), false on empty/invalid input.

    if (!display)
        return GameValue("FAIL:no active display");
    auto* inner = dynamic_cast<Control*>(display->GetCtrl(innerIdc));
    auto* anchor = dynamic_cast<Control*>(display->GetCtrl(anchorIdc));
    if (!inner)
        return GameValue("FAIL:inner not found");
    if (!anchor)
        return GameValue("FAIL:anchor not found");

    const float dy = inner->Y() - anchor->Y();
    const float rowTol = anchor->H() * 0.5f;
    const float gap = anchor->X() - (inner->X() + inner->W());
    char buf[192];