/**
* @brief Registers a menu into a context (table or a userdata).
* @param menu_ref Lua ref of the menu to add.
* @param context_index Index of the table or userdata in the stack.
*/
void LuaContext::add_menu(int menu_ref, int context_index) {
const void* context;
if (lua_type(l, context_index) == LUA_TUSERDATA) {
ExportableToLua** userdata = static_cast<ExportableToLua**>(
lua_touserdata(l, context_index));
context = *userdata;
}
else {
context = lua_topointer(l, context_index);
}
menus.push_back(LuaMenuData(menu_ref, context));
menu_on_started(menu_ref);
}
/**
* \brief Registers a menu into a context (table or a userdata).
*
* This function can be called safely even while iterating on the menus list.
*
* \param menu_ref Lua ref of the menu to add.
* \param context_index Index of the table or userdata in the stack.
* \param on_top \c true to place this menu on top of existing one in the
* same context, \c false to place it behind.
*/
void LuaContext::add_menu(
const ScopedLuaRef& menu_ref,
int context_index,
bool on_top
) {
const void* context;
if (lua_type(l, context_index) == LUA_TUSERDATA) {
ExportableToLuaPtr* userdata = static_cast<ExportableToLuaPtr*>(
lua_touserdata(l, context_index));
context = userdata->get();
}
else {
context = lua_topointer(l, context_index);
}
if (on_top) {
menus.emplace_back(menu_ref, context);
}
else {
menus.emplace_front(menu_ref, context);
}
menu_on_started(menu_ref);
}
