/**
* \brief Unregisters all menus associated to a context.
*
* This function can be called safely even while iterating on the menus list.
*
* \param context_index Index of a table or userdata containing menus.
*/
void LuaContext::remove_menus(int context_index) {
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);
}
// Some menu:on_finished() callbacks may create menus themselves,
// and we don't want those new menus to get removed.
for (LuaMenuData& menu: menus) {
menu.recently_added = false;
}
for (LuaMenuData& menu: menus) {
ScopedLuaRef menu_ref = menu.ref;
if (menu.context == context && !menu.recently_added) {
menu.ref.clear();
menu.context = nullptr;
menu_on_finished(menu_ref);
}
}
}
/**
* @brief Unregisters all existing menus.
*/
void LuaContext::remove_menus() {
std::list<LuaMenuData>::iterator it;
for (it = menus.begin(); it != menus.end(); ++it) {
int menu_ref = it->ref;
menu_on_finished(menu_ref);
destroy_ref(menu_ref);
}
menus.clear();
}
/**
* \brief Unregisters all existing menus.
*
* This function can be called safely even while iterating on the menus list.
*/
void LuaContext::remove_menus() {
std::list<LuaMenuData>::iterator it;
for (it = menus.begin(); it != menus.end(); ++it) {
int menu_ref = it->ref;
if (menu_ref != LUA_REFNIL) {
menu_on_finished(menu_ref);
destroy_ref(menu_ref);
it->ref = LUA_REFNIL;
it->context = NULL;
}
}
}
/**
* \brief Unregisters all existing menus.
*
* This function can be called safely even while iterating on the menus list.
*/
void LuaContext::remove_menus() {
// Some menu:on_finished() callbacks may create menus themselves,
// and we don't want those new menus to get removed.
for (LuaMenuData& menu: menus) {
menu.recently_added = false;
}
for (LuaMenuData& menu: menus) {
if (!menu.recently_added) {
ScopedLuaRef menu_ref = menu.ref;
if (!menu_ref.is_empty()) {
menu.ref.clear();
menu.context = nullptr;
menu_on_finished(menu_ref);
}
}
}
}
/**
* @brief Unregisters all menus associated to a context.
* @param context_index Index of a table or userdata containing menus.
*/
void LuaContext::remove_menus(int context_index) {
std::list<int> menus_to_remove;
const void* context;
if (lua_type(l, context_index) == LUA_TUSERDATA) {
ExportableToLua** userdata = (ExportableToLua**) lua_touserdata(l, context_index);
context = *userdata;
}
else {
context = lua_topointer(l, context_index);
}
std::list<LuaMenuData>::iterator it;
for (it = menus.begin(); it != menus.end(); ++it) {
int menu_ref = it->ref;
if (it->context == context) {
menu_on_finished(menu_ref);
menus.erase(it--);
destroy_ref(menu_ref);
}
}
}