Implement keychange/touchscreenlayout, don't implement filepicker

builtin/common/settings/components.lua

@@ -249,8 +249,10 @@ local function make_path(setting)
 	}
 end
 
-if PLATFORM == "Android" then
+if PLATFORM == "Android" or INIT == "pause_menu" then
 	-- The Irrlicht file picker doesn't work on Android.
+	-- Access to the Irrlicht file picker isn't implemented in the pause menu
+	-- since we want to delete it anyway, so any time spent on it would be wasted.
 	make.path = make.string
 	make.filepath = make.string
 else

src/script/lua_api/CMakeLists.txt

@@ -37,5 +37,6 @@ set(client_SCRIPT_LUA_API_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/l_menu_common.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_minimap.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_particles_local.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/l_pause_menu.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_storage.cpp
 	PARENT_SCOPE)

src/script/lua_api/l_pause_menu.cpp

@@ -0,0 +1,28 @@
+// Luanti
+// SPDX-License-Identifier: LGPL-2.1-or-later
+// Copyright (C) 2025 grorp
+
+#include "l_pause_menu.h"
+#include "gui/mainmenumanager.h"
+#include "lua_api/l_internal.h"
+
+/******************************************************************************/
+int ModApiPauseMenu::l_show_keys_menu(lua_State *L)
+{
+    g_gamecallback->keyConfig();
+    return 0;
+}
+
+/******************************************************************************/
+int ModApiPauseMenu::l_show_touchscreen_layout(lua_State *L)
+{
+    g_gamecallback->touchscreenLayout();
+    return 0;
+}
+
+/******************************************************************************/
+void ModApiPauseMenu::Initialize(lua_State *L, int top)
+{
+	API_FCT(show_keys_menu);
+	API_FCT(show_touchscreen_layout);
+}

src/script/lua_api/l_pause_menu.h

@@ -0,0 +1,17 @@
+// Luanti
+// SPDX-License-Identifier: LGPL-2.1-or-later
+// Copyright (C) 2025 grorp
+
+#pragma once
+
+#include "l_base.h"
+
+class ModApiPauseMenu: public ModApiBase
+{
+private:
+	static int l_show_keys_menu(lua_State *L);
+	static int l_show_touchscreen_layout(lua_State *L);
+
+public:
+	static void Initialize(lua_State *L, int top);
+};

src/script/lua_api/l_settings.cpp

@@ -31,6 +31,7 @@ static inline int checkSettingSecurity(lua_State* L, const std::string &name)
 {
 #if CHECK_CLIENT_BUILD()
 	// Main menu is allowed everything
+	// TODO: also permit pause menu
 	if (ModApiBase::getGuiEngine(L) != nullptr)
 		return 0;
 #endif

src/script/scripting_pause_menu.cpp

@@ -8,6 +8,7 @@
 #include "filesys.h"
 #include "lua_api/l_client_common.h"
 #include "lua_api/l_menu_common.h"
+#include "lua_api/l_pause_menu.h"
 #include "lua_api/l_settings.h"
 #include "lua_api/l_util.h"
 #include "porting.h"
@@ -41,6 +42,7 @@ void PauseMenuScripting::initializeModApi(lua_State *L, int top)
     LuaSettings::Register(L);
 
 	// Initialize mod API modules
+	ModApiPauseMenu::Initialize(L, top);
 	ModApiMenuCommon::Initialize(L, top);
 	ModApiClientCommon::Initialize(L, top);
     ModApiUtil::Initialize(L, top);