Method stateChanged

distrho/src/DistrhoUI.cpp:485–508

#if DISTRHO_PLUGIN_WANT_STATE
void UI::stateChanged(const char* const key, const char* const value)
{
   #if DISTRHO_UI_USE_WEB_VIEW
    if (uiData->webview != nullptr)
    {
        const size_t keylen = std::strlen(key);
        const size_t valuelen = std::strlen(value);
        const size_t msglen = keylen + valuelen + 60;
        if (char* const msg = static_cast<char*>(std::malloc(msglen)))
        {
            // TODO escape \\'
            std::snprintf(msg, msglen - 1,
                          "typeof(stateChanged) === 'function' && stateChanged('%s','%s')", key, value);
            msg[msglen - 1] = '\0';
            webViewEvaluateJS(uiData->webview, msg);
            std::free(msg);
        }
    }
   #else
    // unused
    (void)key;
    (void)value;
   #endif
}
#endif

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