Method GetTypingSelectRequest

[Experimental] Currently not exposed in public API. Consume character inputs and return search request, if any. This would typically only be called on the focused window or location you want to grab inputs for, e.g. if (ImGui::IsWindowFocused(...)) if (ImGuiTypingSelectRequest* req = ImGui::GetTypingSelectRequest()) focus_idx = ImGui::TypingSelectFindMatch(req, my_items.size(), [](void*, int n) {