Remove settings pages in Lua

apps/openmw/mwlua/luamanagerimp.cpp

@@ -18,6 +18,7 @@
 #include <components/l10n/manager.hpp>
 
 #include <components/lua_ui/content.hpp>
+#include <components/lua_ui/registerscriptsettings.hpp>
 #include <components/lua_ui/util.hpp>
 
 #include "../mwbase/windowmanager.hpp"
@@ -62,6 +63,11 @@ namespace MWLua
         mGlobalScripts.setSerializer(mGlobalSerializer.get());
     }
 
+    LuaManager::~LuaManager()
+    {
+        LuaUi::clearSettings();
+    }
+
     void LuaManager::initConfiguration()
     {
         mConfiguration.init(MWBase::Environment::get().getESMStore()->getLuaScriptsCfg());
@@ -551,6 +557,7 @@ namespace MWLua
 
         LuaUi::clearGameInterface();
         LuaUi::clearMenuInterface();
+        LuaUi::clearSettings();
         MWBase::Environment::get().getWindowManager()->setConsoleMode("");
         MWBase::Environment::get().getL10nManager()->dropCache();
         mUiResourceManager.clear();

apps/openmw/mwlua/luamanagerimp.hpp

@@ -35,6 +35,7 @@ namespace MWLua
         LuaManager(const VFS::Manager* vfs, const std::filesystem::path& libsDir);
         LuaManager(const LuaManager&) = delete;
         LuaManager(LuaManager&&) = delete;
+        ~LuaManager();
 
         // Called by engine.cpp when the environment is fully initialized.
         void init();

apps/openmw/mwlua/uibindings.cpp

@@ -247,6 +247,7 @@ namespace MWLua
                 { "Center", LuaUi::Alignment::Center }, { "End", LuaUi::Alignment::End } }));
 
         api["registerSettingsPage"] = &LuaUi::registerSettingsPage;
+        api["removeSettingsPage"] = &LuaUi::registerSettingsPage;
 
         api["texture"] = [luaManager = context.mLuaManager](const sol::table& options) {
             LuaUi::TextureData data;

components/lua_ui/registerscriptsettings.hpp

@@ -8,6 +8,7 @@ namespace LuaUi
     // implemented in scriptsettings.cpp
     void registerSettingsPage(const sol::table& options);
     void clearSettings();
+    void removeSettingsPage(std::string_view key);
 }
 
 #endif // !OPENMW_LUAUI_REGISTERSCRIPTSETTINGS

components/lua_ui/scriptsettings.cpp

@@ -40,6 +40,11 @@ namespace LuaUi
         allPages.push_back(options);
     }
 
+    void removeSettingsPage(const sol::table& options)
+    {
+        std::erase_if(allPages, [options](const sol::table& it) { return it == options; });
+    }
+
     void clearSettings()
     {
         allPages.clear();
@@ -47,10 +52,10 @@ namespace LuaUi
 
     void attachPageAt(size_t index, LuaAdapter* adapter)
     {
+        adapter->detach();
         if (index < allPages.size())
         {
             ScriptSettingsPage page = parse(allPages[index]);
-            adapter->detach();
             if (page.mElement.get())
                 adapter->attach(page.mElement);
         }

components/lua_ui/util.cpp

@@ -46,8 +46,6 @@ namespace LuaUi
 
     void clearGameInterface()
     {
-        // TODO: move settings clearing logic to Lua?
-        clearSettings();
         while (!Element::sGameElements.empty())
             Element::sGameElements.begin()->second->destroy();
     }

files/data/scripts/omw/settings/menu.lua

@@ -423,20 +423,30 @@ local function updateGlobalGroups()
 end
 
 local menuGroups = {}
+local menuPages = {}
 
-local function resetGroups()
+local function reset()
     for pageKey, page in pairs(groups) do
         for groupKey in pairs(page) do
             if not menuGroups[groupKey] then
                 page[groupKey] = nil
             end
         end
+        if pageOptions[pageKey] then
+            pageOptions[pageKey].element.destroy()
+            if not menuPages[pageKey] then
+                pageOptions[pageKey].element.destroy()
+                ui.removeSettingsPage(pageOptions[pageKey])
+                pageOptions[pageKey] = nil
+            else
                 local renderedOptions = renderPage(pages[pageKey])
                 for k, v in pairs(renderedOptions) do
                     pageOptions[pageKey][k] = v
                 end
             end
         end
+    end
+end
 
 local function registerPage(options)
     if type(options) ~= 'table' then
@@ -477,7 +487,10 @@ return {
     interfaceName = 'Settings',
     interface = {
         version = 1,
-        registerPage = registerPage,
+        registerPage = function(options)
+            registerPage(options)
+            menuPages[options] = true
+        end,
         registerRenderer = registerRenderer,
         registerGroup = function(options)
             common.registerGroup(options)
@@ -492,7 +505,7 @@ return {
             if menu.getState() == menu.STATE.Running then
                 updateGlobalGroups()
             else
-                resetGroups()
+                reset()
             end
             updatePlayerGroups()
         end,

files/lua_api/openmw/ui.lua

@@ -93,6 +93,11 @@
 -- @function [parent=#ui] registerSettingsPage
 -- @param #SettingsPageOptions page
 
+---
+-- Removes the settings page
+-- @function [parent=#ui] removeSettingsPage
+-- @param #SettingsPageOptions page must be the exact same table of options as the one passed to registerSettingsPage
+
 ---
 -- Table with settings page options, passed as an argument to ui.registerSettingsPage
 -- @type SettingsPageOptions