diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index 6e075768..fe3c0be7 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -276,6 +276,15 @@ function table.tostring(t)
     return s..']'
 end
 
+function file.readlines(path)
+    local str = file.read(path)
+    local lines = {}
+    for s in str:gmatch("[^\r\n]+") do
+        table.insert(lines, s)
+    end
+    return lines
+end
+
 console.add_command(
     "tp obj:sel=$obj.id x:num~pos.x y:num~pos.y z:num~pos.z",
     function (args, kwargs)
diff --git a/src/engine.cpp b/src/engine.cpp
index 2b64341c..a903453e 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -266,7 +266,7 @@ void Engine::loadContent() {
     names = manager.assembly(names);
     contentPacks = manager.getAll(names);
 
-    std::vector<std::pair<std::string, fs::path>> resRoots;
+    std::vector<PathsRoot> resRoots;
     for (auto& pack : contentPacks) {
         resRoots.push_back({pack.id, pack.folder});
 
diff --git a/src/files/engine_paths.cpp b/src/files/engine_paths.cpp
index f14828b3..509c4055 100644
--- a/src/files/engine_paths.cpp
+++ b/src/files/engine_paths.cpp
@@ -164,14 +164,14 @@ fs::path EnginePaths::resolve(std::string path) {
     throw files_access_error("unknown entry point '"+prefix+"'");
 }
 
-ResPaths::ResPaths(fs::path mainRoot, std::vector<std::pair<std::string, fs::path>> roots) 
+ResPaths::ResPaths(fs::path mainRoot, std::vector<PathsRoot> roots) 
     : mainRoot(mainRoot), roots(roots) {
 }
 
 fs::path ResPaths::find(const std::string& filename) const {
     for (int i = roots.size()-1; i >= 0; i--) {
         auto& root = roots[i];
-        fs::path file = root.second / fs::u8path(filename);
+        fs::path file = root.path / fs::u8path(filename);
         if (fs::exists(file)) {
             return file;
         }
@@ -182,8 +182,8 @@ fs::path ResPaths::find(const std::string& filename) const {
 std::string ResPaths::findRaw(const std::string& filename) const {
     for (int i = roots.size()-1; i >= 0; i--) {
         auto& root = roots[i];
-        if (fs::exists(root.second / fs::path(filename))) {
-            return root.first+":"+filename;
+        if (fs::exists(root.path / fs::path(filename))) {
+            return root.name + ":" + filename;
         }
     }
     auto resDir = mainRoot;
@@ -193,11 +193,35 @@ std::string ResPaths::findRaw(const std::string& filename) const {
     throw std::runtime_error("could not to find file "+util::quote(filename));
 }
 
+std::vector<std::string> ResPaths::listdirRaw(const std::string& folderName) const {
+    std::vector<std::string> entries;
+    for (int i = roots.size()-1; i >= 0; i--) {
+        auto& root = roots[i];
+        fs::path folder = root.path / fs::u8path(folderName);
+        if (!fs::is_directory(folder))
+            continue;
+        for (const auto& entry : fs::directory_iterator(folder)) {
+            auto name = entry.path().filename().u8string();
+            entries.push_back(root.name+":"+folderName+"/"+name);
+        }
+    }
+    {
+        fs::path folder = mainRoot / fs::u8path(folderName);
+        if (!fs::is_directory(folder))
+            return entries;
+        for (const auto& entry : fs::directory_iterator(folder)) {
+            auto name = entry.path().filename().u8string();
+            entries.push_back("core:"+folderName+"/"+name);
+        }
+    }
+    return entries;
+}
+
 std::vector<fs::path> ResPaths::listdir(const std::string& folderName) const {
     std::vector<fs::path> entries;
     for (int i = roots.size()-1; i >= 0; i--) {
         auto& root = roots[i];
-        fs::path folder = root.second / fs::u8path(folderName);
+        fs::path folder = root.path / fs::u8path(folderName);
         if (!fs::is_directory(folder))
             continue;
         for (const auto& entry : fs::directory_iterator(folder)) {
diff --git a/src/files/engine_paths.hpp b/src/files/engine_paths.hpp
index 41c57e6e..ac1ed5a8 100644
--- a/src/files/engine_paths.hpp
+++ b/src/files/engine_paths.hpp
@@ -42,18 +42,24 @@ public:
     fs::path resolve(std::string path);
 };
 
+struct PathsRoot {
+    std::string name;
+    fs::path path;
+};
+
 class ResPaths {
     fs::path mainRoot;
-    std::vector<std::pair<std::string, fs::path>> roots;
+    std::vector<PathsRoot> roots;
 public:
     ResPaths(
         fs::path mainRoot,
-        std::vector<std::pair<std::string, fs::path>> roots
+        std::vector<PathsRoot> roots
     );
     
     fs::path find(const std::string& filename) const;
     std::string findRaw(const std::string& filename) const;
     std::vector<fs::path> listdir(const std::string& folder) const;
+    std::vector<std::string> listdirRaw(const std::string& folder) const;
 
     const fs::path& getMainRoot() const;
 };
diff --git a/src/frontend/screens/LevelScreen.cpp b/src/frontend/screens/LevelScreen.cpp
index 94dc2239..7882d033 100644
--- a/src/frontend/screens/LevelScreen.cpp
+++ b/src/frontend/screens/LevelScreen.cpp
@@ -24,9 +24,9 @@
 
 static debug::Logger logger("level-screen");
 
-LevelScreen::LevelScreen(Engine* engine, Level* level) : Screen(engine) {
-    postProcessing = std::make_unique<PostProcessing>();
-
+LevelScreen::LevelScreen(Engine* engine, Level* level)
+ : Screen(engine), postProcessing(std::make_unique<PostProcessing>()) 
+{
     auto& settings = engine->getSettings();
     auto assets = engine->getAssets();
     auto menu = engine->getGUI()->getMenu();
@@ -48,7 +48,11 @@ LevelScreen::LevelScreen(Engine* engine, Level* level) : Screen(engine) {
     animator = std::make_unique<TextureAnimator>();
     animator->addAnimations(assets->getAnimations());
 
-    auto content = level->content;
+    initializeContent();
+}
+
+void LevelScreen::initializeContent() {
+    auto content = controller->getLevel()->content;
     for (auto& entry : content->getPacks()) {
         auto pack = entry.second.get();
         const ContentPack& info = pack->getInfo();
diff --git a/src/frontend/screens/LevelScreen.hpp b/src/frontend/screens/LevelScreen.hpp
index ff41dd60..8f70cf12 100644
--- a/src/frontend/screens/LevelScreen.hpp
+++ b/src/frontend/screens/LevelScreen.hpp
@@ -26,6 +26,7 @@ class LevelScreen : public Screen {
 
     bool hudVisible = true;
     void updateHotkeys();
+    void initializeContent();
 public:
     LevelScreen(Engine* engine, Level* level);
     ~LevelScreen();
diff --git a/src/graphics/ui/elements/TextBox.cpp b/src/graphics/ui/elements/TextBox.cpp
index 022a0732..e8f4cf48 100644
--- a/src/graphics/ui/elements/TextBox.cpp
+++ b/src/graphics/ui/elements/TextBox.cpp
@@ -130,7 +130,6 @@ void TextBox::drawBackground(const DrawContext* pctx, Assets*) {
 /// @brief Insert text at the caret. Also selected text will be erased
 /// @param text Inserting text
 void TextBox::paste(const std::wstring& text) {
-    
     eraseSelected();
     if (caret >= input.length()) {
         input += text;
@@ -203,7 +202,9 @@ void TextBox::setTextOffset(uint x) {
 }
 
 void TextBox::typed(unsigned int codepoint) {
-    paste(std::wstring({(wchar_t)codepoint}));
+    if (editable) {
+        paste(std::wstring({(wchar_t)codepoint}));
+    }
 }
 
 bool TextBox::validate() {
diff --git a/src/logic/scripting/lua/libfile.cpp b/src/logic/scripting/lua/libfile.cpp
index 9c6ebe97..7db2d5ab 100644
--- a/src/logic/scripting/lua/libfile.cpp
+++ b/src/logic/scripting/lua/libfile.cpp
@@ -140,6 +140,37 @@ static int l_file_write_bytes(lua_State* L) {
     }
 }
 
+static int l_file_list_all_res(lua_State* L, const std::string& path) {
+    auto files = scripting::engine->getResPaths()->listdirRaw(path);
+    lua_createtable(L, files.size(), 0);
+    for (size_t i = 0; i < files.size(); i++) {
+        lua_pushstring(L, files[i].c_str());
+        lua_rawseti(L, -2, i+1);
+    }
+    return 1;
+}
+
+static int l_file_list(lua_State* L) {
+    std::string dirname = lua_tostring(L, 1);
+    if (dirname.find(':') == std::string::npos) {
+        return l_file_list_all_res(L, dirname);
+    }
+    fs::path path = resolve_path(L, dirname);
+    if (!fs::is_directory(path)) {
+        throw std::runtime_error(util::quote(path.u8string())+" is not a directory");
+    }
+    lua_createtable(L, 0, 0);
+    size_t index = 1;
+    for (auto& entry : fs::directory_iterator(path)) {
+        auto name = entry.path().filename().u8string();
+        auto file = dirname + "/" + name;
+        lua_pushstring(L, file.c_str());
+        lua_rawseti(L, -2, index);
+        index++;
+    }
+    return 1;
+}
+
 const luaL_Reg filelib [] = {
     {"resolve", lua_wrap_errors<l_file_resolve>},
     {"find", lua_wrap_errors<l_file_find>},
@@ -153,5 +184,6 @@ const luaL_Reg filelib [] = {
     {"mkdirs", lua_wrap_errors<l_file_mkdirs>},
     {"read_bytes", lua_wrap_errors<l_file_read_bytes>},
     {"write_bytes", lua_wrap_errors<l_file_write_bytes>},
+    {"list", lua_wrap_errors<l_file_list>},
     {NULL, NULL}
 };
diff --git a/src/logic/scripting/lua/libgui.cpp b/src/logic/scripting/lua/libgui.cpp
index 84973805..b8c30b6b 100644
--- a/src/logic/scripting/lua/libgui.cpp
+++ b/src/logic/scripting/lua/libgui.cpp
@@ -204,6 +204,13 @@ static int p_get_text(UINode* node) {
     return 0;
 }
 
+static int p_get_editable(UINode* node) {
+    if (auto box = dynamic_cast<TextBox*>(node)) {
+        return state->pushboolean(box->isEditable());
+    }
+    return 0;
+}
+
 static int p_get_add(UINode* node) {
     if (dynamic_cast<Container*>(node)) {
         return state->pushcfunction(l_container_add);
@@ -268,6 +275,7 @@ static int l_gui_getattr(lua_State* L) {
         {"placeholder", p_get_placeholder},
         {"valid", p_is_valid},
         {"text", p_get_text},
+        {"editable", p_get_editable},
         {"value", p_get_value},
         {"min", p_get_min},
         {"max", p_get_max},
@@ -325,6 +333,11 @@ static void p_set_text(UINode* node, int idx) {
         box->setText(util::str2wstr_utf8(state->tostring(idx)));
     }
 }
+static void p_set_editable(UINode* node, int idx) {
+    if (auto box = dynamic_cast<TextBox*>(node)) {
+        box->setEditable(state->toboolean(idx));
+    }
+}
 static void p_set_value(UINode* node, int idx) {
     if (auto bar = dynamic_cast<TrackBar*>(node)) {
         bar->setValue(state->tonumber(idx));
@@ -397,6 +410,7 @@ static int l_gui_setattr(lua_State* L) {
         {"enabled", p_set_enabled},
         {"placeholder", p_set_placeholder},
         {"text", p_set_text},
+        {"editable", p_set_editable},
         {"value", p_set_value},
         {"min", p_set_min},
         {"max", p_set_max},
@@ -459,8 +473,7 @@ static int l_gui_get_locales_info(lua_State* L) {
 }
 
 static int l_gui_getviewport(lua_State* L) {
-    lua::pushvec2_arr(L, scripting::engine->getGUI()->getContainer()->getSize());
-    return 1;
+    return lua::pushvec2_arr(L, scripting::engine->getGUI()->getContainer()->getSize());
 }
 
 const luaL_Reg guilib [] = {
diff --git a/src/logic/scripting/lua/libinput.cpp b/src/logic/scripting/lua/libinput.cpp
index f654dc47..1c021093 100644
--- a/src/logic/scripting/lua/libinput.cpp
+++ b/src/logic/scripting/lua/libinput.cpp
@@ -1,4 +1,5 @@
 #include "api_lua.hpp"
+#include "lua_util.hpp"
 #include "lua_commons.hpp"
 #include "LuaState.hpp"
 #include "../scripting.hpp"
@@ -39,9 +40,14 @@ static int l_add_callback(lua_State* L) {
     return 0;
 }
 
+static int l_get_mouse_pos(lua_State* L) {
+    return lua::pushvec2_arr(L, Events::cursor);
+}
+
 const luaL_Reg inputlib [] = {
     {"keycode", lua_wrap_errors<l_keycode>},
     {"add_callback", lua_wrap_errors<l_add_callback>},
+    {"get_mouse_pos", lua_wrap_errors<l_get_mouse_pos>},
     {NULL, NULL}
 };
 
diff --git a/src/window/Events.cpp b/src/window/Events.cpp
index 1232559e..8ac783fd 100644
--- a/src/window/Events.cpp
+++ b/src/window/Events.cpp
@@ -88,8 +88,7 @@ void Events::pollEvents() {
                 binding.justChange = true;
                 binding.onactived.notify();
             }
-        }
-        else {
+        } else {
             if (binding.state) {
                 binding.state = false;
                 binding.justChange = true;
@@ -107,7 +106,7 @@ void Events::bind(const std::string& name, inputtype type, mousecode code) {
 }
 
 void Events::bind(const std::string& name, inputtype type, int code) {
-    bindings[name] = Binding(type, code);
+    bindings.emplace(name, Binding(type, code));
 }
 
 bool Events::active(const std::string& name) {