From 7ae5c4e3a1552c23d5b938af9beea42016285c7a Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Wed, 21 Feb 2024 18:54:56 +0300
Subject: [PATCH 1/8] lua load_script encoding fix

---
 res/scripts/stdlib.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/res/scripts/stdlib.lua b/res/scripts/stdlib.lua
index 44e6e3f4..b6d7523d 100644
--- a/res/scripts/stdlib.lua
+++ b/res/scripts/stdlib.lua
@@ -42,7 +42,7 @@ function load_script(path, nocache)
         error("script '"..filename.."' not found in '"..packname.."'")
     end
 
-    local script, err = loadfile(file.resolve(path))
+    local script, err = load(file.read(path), path)
     if script == nil then
         error(err)
     end

From 6c7497eee623b5127ed1162dde4165c36bced19a Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Wed, 21 Feb 2024 22:04:16 +0300
Subject: [PATCH 2/8] player inventory id fix

---
 src/world/Level.cpp | 2 +-
 src/world/World.cpp | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/world/Level.cpp b/src/world/Level.cpp
index 287607ed..c9f74eee 100644
--- a/src/world/Level.cpp
+++ b/src/world/Level.cpp
@@ -27,7 +27,7 @@ Level::Level(World* world, const Content* content, EngineSettings& settings)
 {
 	objCounter = 0;
     physics = new PhysicsSolver(glm::vec3(0, -22.6f, 0));
-	auto inv = std::make_shared<Inventory>(world->getNextInventoryId(), DEF_PLAYER_INVENTORY_SIZE);
+	auto inv = std::make_shared<Inventory>(0, DEF_PLAYER_INVENTORY_SIZE);
 	player = spawnObject<Player>(glm::vec3(0, DEF_PLAYER_Y, 0), DEF_PLAYER_SPEED, inv);
 
     uint matrixSize = (settings.chunks.loadDistance+
diff --git a/src/world/World.cpp b/src/world/World.cpp
index fce0b05c..d442cbd1 100644
--- a/src/world/World.cpp
+++ b/src/world/World.cpp
@@ -72,6 +72,9 @@ Level* World::create(std::string name,
                      const std::vector<ContentPack>& packs) {
     auto world = new World(name, directory, seed, settings, content, packs);
     auto level = new Level(world, content, settings);
+    auto inventory = level->player->getInventory();
+    inventory->setId(world->getNextInventoryId());
+    level->inventories->store(inventory);
     return level;
 }
 
@@ -90,6 +93,7 @@ Level* World::load(fs::path directory,
 
     auto level = new Level(world.get(), content, settings);
     wfile->readPlayer(level->player);
+    level->inventories->store(level->player->getInventory());
     world.release();
     return level;
 }

From 6b17e33b7692d83538f5ecf982964620ee3b1790 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 22 Feb 2024 10:44:03 +0300
Subject: [PATCH 3/8] 0.20 development start

---
 res/content/base/package.json        |  2 +-
 src/constants.h                      |  5 ++++-
 src/engine.cpp                       |  3 +++
 src/frontend/menu.cpp                | 14 ++++++++++++++
 src/frontend/menu.h                  |  1 +
 src/logic/scripting/lua/LuaState.cpp | 29 ++++++++++++++++++++++++----
 src/logic/scripting/lua/LuaState.h   |  4 +++-
 7 files changed, 51 insertions(+), 7 deletions(-)

diff --git a/res/content/base/package.json b/res/content/base/package.json
index 249dd4ee..7da43458 100644
--- a/res/content/base/package.json
+++ b/res/content/base/package.json
@@ -1,6 +1,6 @@
 {
     "id": "base",
     "title": "Base",
-    "version": "0.19",
+    "version": "0.20",
     "description": "basic content package"
 }
diff --git a/src/constants.h b/src/constants.h
index 56f54c7f..fffa9c22 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -2,10 +2,13 @@
 #define SRC_CONSTANTS_H_
 
 #include <limits>
+#include <string>
 #include "typedefs.h"
 
 const int ENGINE_VERSION_MAJOR = 0;
-const int ENGINE_VERSION_MINOR = 19;
+const int ENGINE_VERSION_MINOR = 20;
+const bool ENGINE_VERSION_INDEV = true;
+#define ENGINE_VERSION_STRING "0.20"
 
 const int BLOCK_AIR = 0;
 const int ITEM_EMPTY = 0;
diff --git a/src/engine.cpp b/src/engine.cpp
index 80d9114a..54ae6876 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -75,6 +75,9 @@ Engine::Engine(EngineSettings& settings, EnginePaths* paths)
 	gui = std::make_unique<gui::GUI>();
     if (settings.ui.language == "auto") {
         settings.ui.language = langs::locale_by_envlocale(platform::detect_locale(), paths->getResources());
+    }
+	if (ENGINE_VERSION_INDEV) {
+		menus::create_version_label(this);
     }
     setLanguage(settings.ui.language);
 }
diff --git a/src/frontend/menu.cpp b/src/frontend/menu.cpp
index ce1ab9cc..0879978f 100644
--- a/src/frontend/menu.cpp
+++ b/src/frontend/menu.cpp
@@ -82,6 +82,20 @@ static std::shared_ptr<Button> create_button(
     return btn;
 }
 
+
+void menus::create_version_label(Engine* engine) {
+    auto gui = engine->getGUI();
+    auto vlabel = std::make_shared<gui::Label>(
+        util::str2wstr_utf8(ENGINE_VERSION_STRING " development build ")
+    );
+    vlabel->setZIndex(1000);
+    vlabel->setColor(glm::vec4(1, 1, 1, 0.5f));
+    vlabel->setPositionFunc([=]() {
+        return glm::vec2(Window::width-vlabel->getSize().x, 2);
+    });
+    gui->add(vlabel);
+}
+
 static void show_content_missing(
     Engine* engine, 
     const Content* content, 
diff --git a/src/frontend/menu.h b/src/frontend/menu.h
index 08cd3b2b..756b19a9 100644
--- a/src/frontend/menu.h
+++ b/src/frontend/menu.h
@@ -4,6 +4,7 @@
 class Engine;
 
 namespace menus {
+    void create_version_label(Engine* engine);
     void create_menus(Engine* engine);
     void refresh_menus(Engine* engine);
 }
diff --git a/src/logic/scripting/lua/LuaState.cpp b/src/logic/scripting/lua/LuaState.cpp
index 68fe1ebd..0b870f92 100644
--- a/src/logic/scripting/lua/LuaState.cpp
+++ b/src/logic/scripting/lua/LuaState.cpp
@@ -11,7 +11,19 @@
 lua::luaerror::luaerror(const std::string& message) : std::runtime_error(message) {
 }
 
+void lua::LuaState::removeLibFuncs(const char* libname, const char* funcs[]) {
+    if (getglobal(libname)) {
+        for (uint i = 0; funcs[i]; i++) {
+            pushnil();
+            setfield(funcs[i], -2);
+        }
+    }
+}
+
 lua::LuaState::LuaState() {
+    std::cout << LUA_VERSION << std::endl;
+    std::cout << LUAJIT_VERSION << std::endl;
+
     L = luaL_newstate();
     if (L == nullptr) {
         throw lua::luaerror("could not to initialize Lua");
@@ -25,10 +37,19 @@ lua::LuaState::LuaState() {
     luaopen_jit(L);
     luaopen_bit(L);
 
-    std::cout << LUA_VERSION << std::endl;
-    std::cout << LUAJIT_VERSION << std::endl;
+    luaopen_os(L);
+    const char* removed_os[] {
+        "execute",
+        "exit",
+        "remove",
+        "rename",
+        "setlocale",
+        "tmpname",
+        nullptr
+    };
+    removeLibFuncs("os", removed_os);
 
-    createFuncs();
+    createLibs();
 
     lua_pushvalue(L, LUA_GLOBALSINDEX);
     setglobal(envName(0));
@@ -94,7 +115,7 @@ void lua::LuaState::remove(const std::string& name) {
     lua_setglobal(L, name.c_str());
 }
 
-void lua::LuaState::createFuncs() {
+void lua::LuaState::createLibs() {
     openlib("pack", packlib, 0);
     openlib("world", worldlib, 0);
     openlib("player", playerlib, 0);
diff --git a/src/logic/scripting/lua/LuaState.h b/src/logic/scripting/lua/LuaState.h
index b80d2aab..319ee280 100644
--- a/src/logic/scripting/lua/LuaState.h
+++ b/src/logic/scripting/lua/LuaState.h
@@ -21,6 +21,9 @@ namespace lua {
 
         void logError(const std::string& text);
         void initEnvironment();
+
+        void removeLibFuncs(const char* libname, const char* funcs[]);
+        void createLibs();
     public:
         LuaState();
         ~LuaState();
@@ -55,7 +58,6 @@ namespace lua {
         bool hasglobal(const std::string& name);
         bool rename(const std::string& from, const std::string& to);
         void remove(const std::string& name);;
-        void createFuncs();
         int createEnvironment(int parent);
         void removeEnvironment(int id);
         const std::string storeAnonymous();

From cae0ceb8a375d77a602759761f8b478fb9ba3b53 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 22 Feb 2024 11:01:14 +0300
Subject: [PATCH 4/8] hud.open_block 4th overlay mode argument

---
 src/frontend/hud.cpp               | 39 ++++++++++++++++++------------
 src/frontend/hud.h                 |  2 +-
 src/logic/scripting/lua/libhud.cpp |  3 ++-
 3 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index c2fec154..e46b62ee 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -380,7 +380,7 @@ void Hud::update(bool visible) {
     }
 
     glm::vec2 invSize = contentAccessPanel->getSize();
-    contentAccessPanel->setVisible(inventoryOpen);
+    contentAccessPanel->setVisible(inventoryView != nullptr);
     contentAccessPanel->setSize(glm::vec2(invSize.x, Window::height));
     contentAccess->setMinSize(glm::vec2(1, Window::height));
     hotbarView->setVisible(visible);
@@ -436,7 +436,7 @@ void Hud::openInventory() {
  * @param blockinv block inventory. 
  * In case of nullptr a new virtual inventory will be created
  */
-void Hud::openInventory(glm::ivec3 block, UiDocument* doc, std::shared_ptr<Inventory> blockinv) {
+void Hud::openInventory(glm::ivec3 block, UiDocument* doc, std::shared_ptr<Inventory> blockinv, bool playerInventory) {
     if (isInventoryOpen()) {
         closeInventory();
     }
@@ -445,7 +445,11 @@ void Hud::openInventory(glm::ivec3 block, UiDocument* doc, std::shared_ptr<Inven
     if (blockUI == nullptr) {
         throw std::runtime_error("block UI root element must be 'inventory'");
     }
-    openInventory();
+    if (playerInventory) {
+        openInventory();
+    } else {
+        inventoryOpen = true;
+    }
     if (blockinv == nullptr) {
         blockinv = level->inventories->createVirtual(blockUI->getSlotsCount());
     }
@@ -594,25 +598,30 @@ void Hud::draw(const GfxContext& ctx){
     }
 
     if (inventoryOpen) {
-        float caWidth = contentAccess->getSize().x;
+        float caWidth = inventoryView ? contentAccess->getSize().x : 0.0f;
         contentAccessPanel->setCoord(glm::vec2(width-caWidth, 0));
 
-        glm::vec2 invSize = inventoryView->getSize();
+        glm::vec2 invSize = inventoryView ? inventoryView->getSize() : glm::vec2();
         if (blockUI == nullptr) {
-            inventoryView->setCoord(glm::vec2(
-                glm::min(width/2-invSize.x/2, width-caWidth-10-invSize.x),
-                height/2-invSize.y/2
-            ));
+            if (inventoryView) {
+                inventoryView->setCoord(glm::vec2(
+                    glm::min(width/2-invSize.x/2, width-caWidth-10-invSize.x),
+                    height/2-invSize.y/2
+                ));
+            }
         } else {
             glm::vec2 blockInvSize = blockUI->getSize();
-            int interval = 5;
+            float invwidth = glm::max(invSize.x, blockInvSize.x);
+            int interval = invSize.y > 0.0 ? 5 : 0;
             float totalHeight = invSize.y + blockInvSize.y + interval;
-            inventoryView->setCoord(glm::vec2(
-                glm::min(width/2-invSize.x/2, width-caWidth-10-invSize.x),
-                height/2+totalHeight/2-invSize.y
-            ));
+            if (inventoryView) {
+                inventoryView->setCoord(glm::vec2(
+                    glm::min(width/2-invwidth/2, width-caWidth-10-invwidth),
+                    height/2+totalHeight/2-invSize.y
+                ));
+            }
             blockUI->setCoord(glm::vec2(
-                glm::min(width/2-invSize.x/2, width-caWidth-10-invSize.x),
+                glm::min(width/2-invwidth/2, width-caWidth-10-invwidth),
                 height/2-totalHeight/2
             ));
         }
diff --git a/src/frontend/hud.h b/src/frontend/hud.h
index 5a5b8914..02e3e2bb 100644
--- a/src/frontend/hud.h
+++ b/src/frontend/hud.h
@@ -110,7 +110,7 @@ public:
     void setPause(bool pause);
 
     void openInventory();
-	void openInventory(glm::ivec3 block, UiDocument* doc, std::shared_ptr<Inventory> blockInv);
+	void openInventory(glm::ivec3 block, UiDocument* doc, std::shared_ptr<Inventory> blockInv, bool playerInventory);
     void closeInventory();
     void openPermanent(UiDocument* doc);
 
diff --git a/src/logic/scripting/lua/libhud.cpp b/src/logic/scripting/lua/libhud.cpp
index 84c1d236..a3289968 100644
--- a/src/logic/scripting/lua/libhud.cpp
+++ b/src/logic/scripting/lua/libhud.cpp
@@ -40,6 +40,7 @@ int l_hud_open_block(lua_State* L) {
     lua::luaint x = lua_tointeger(L, 1);
     lua::luaint y = lua_tointeger(L, 2);
     lua::luaint z = lua_tointeger(L, 3);
+    bool playerInventory = !lua_toboolean(L, 4);
 
     voxel* vox = scripting::level->chunks->get(x, y, z);
     if (vox == nullptr) {
@@ -55,7 +56,7 @@ int l_hud_open_block(lua_State* L) {
     auto id = scripting::blocks->createBlockInventory(x, y, z);
 
     scripting::hud->openInventory(
-        glm::ivec3(x, y, z), layout, scripting::level->inventories->get(id)
+        glm::ivec3(x, y, z), layout, scripting::level->inventories->get(id), playerInventory
     );
 
     lua_pushinteger(L, id);

From c68e89038fff5262d79df50499a57a4504c1dc4d Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 22 Feb 2024 12:07:01 +0300
Subject: [PATCH 5/8] TextBox new properties

---
 src/frontend/gui/controls.cpp                | 16 ++++++++++++++++
 src/frontend/gui/controls.h                  |  4 ++++
 src/frontend/gui/gui_xml.cpp                 | 14 ++++++++++++++
 src/logic/scripting/scripting_functional.cpp | 15 +++++++++++++++
 src/logic/scripting/scripting_functional.h   |  6 ++++++
 5 files changed, 55 insertions(+)

diff --git a/src/frontend/gui/controls.cpp b/src/frontend/gui/controls.cpp
index 1328b4dc..25d9f749 100644
--- a/src/frontend/gui/controls.cpp
+++ b/src/frontend/gui/controls.cpp
@@ -355,6 +355,22 @@ void TextBox::setTextValidator(wstringchecker validator) {
     this->validator = validator;
 }
 
+void TextBox::setFocusedColor(glm::vec4 color) {
+    this->focusedColor = color;
+}
+
+glm::vec4 TextBox::getFocusedColor() const {
+    return focusedColor;
+}
+
+void TextBox::setErrorColor(glm::vec4 color) {
+    this->invalidColor = color;
+}
+
+glm::vec4 TextBox::getErrorColor() const {
+    return invalidColor;
+}
+
 std::wstring TextBox::getText() const {
     if (input.empty())
         return placeholder;
diff --git a/src/frontend/gui/controls.h b/src/frontend/gui/controls.h
index 1d0cb1ea..60cb4337 100644
--- a/src/frontend/gui/controls.h
+++ b/src/frontend/gui/controls.h
@@ -118,6 +118,10 @@ namespace gui {
         virtual void setTextConsumer(wstringconsumer consumer);
         virtual void setTextValidator(wstringchecker validator);
         virtual bool isFocuskeeper() const override {return true;}
+        virtual void setFocusedColor(glm::vec4 color);
+        virtual glm::vec4 getFocusedColor() const;
+        virtual void setErrorColor(glm::vec4 color);
+        virtual glm::vec4 getErrorColor() const;
         /* Get TextBox content text or placeholder if empty */
         virtual std::wstring getText() const;
         /* Set TextBox content text */
diff --git a/src/frontend/gui/gui_xml.cpp b/src/frontend/gui/gui_xml.cpp
index 5a75e3ad..94a0dc97 100644
--- a/src/frontend/gui/gui_xml.cpp
+++ b/src/frontend/gui/gui_xml.cpp
@@ -228,6 +228,20 @@ static std::shared_ptr<UINode> readTextBox(UiXmlReader& reader, xml::xmlelement
         );
         textbox->setTextSupplier(supplier);
     }
+    if (element->has("focused-color")) {
+        textbox->setFocusedColor(element->attr("focused-color").asColor());
+    }
+    if (element->has("error-color")) {
+        textbox->setErrorColor(element->attr("error-color").asColor());
+    }
+    if (element->has("validator")) {
+        auto validator  = scripting::create_wstring_validator(
+            reader.getEnvironment().getId(),
+            element->attr("validator").getText(),
+            reader.getFilename()+".lua"
+        );
+        textbox->setTextValidator(validator);
+    }
     return textbox;
 }
 
diff --git a/src/logic/scripting/scripting_functional.cpp b/src/logic/scripting/scripting_functional.cpp
index 619d751a..d45bbfda 100644
--- a/src/logic/scripting/scripting_functional.cpp
+++ b/src/logic/scripting/scripting_functional.cpp
@@ -66,6 +66,21 @@ wstringsupplier scripting::create_wstring_supplier(
     };
 }
 
+wstringchecker scripting::create_wstring_validator(
+    int env,
+    const std::string& src,
+    const std::string& file
+) {
+    return [=](const std::wstring& x){
+        if (processCallback(env, src, file)) {
+            state->pushstring(util::wstr2str_utf8(x));
+            if (state->callNoThrow(1))
+                return state->toboolean(-1);
+        }
+        return false;
+    };
+}
+
 boolconsumer scripting::create_bool_consumer(
     int env,
     const std::string& src,
diff --git a/src/logic/scripting/scripting_functional.h b/src/logic/scripting/scripting_functional.h
index c5db97e4..57c3ab3a 100644
--- a/src/logic/scripting/scripting_functional.h
+++ b/src/logic/scripting/scripting_functional.h
@@ -24,6 +24,12 @@ namespace scripting {
         const std::string& file="<string>"
     );
 
+    wstringchecker create_wstring_validator(
+        int env,
+        const std::string& src,
+        const std::string& file="<string>"
+    );
+
     boolconsumer create_bool_consumer(
         int env,
         const std::string& src,

From 4abe775c5bc8321d200b5838a281caa8d291edf6 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 22 Feb 2024 12:52:42 +0300
Subject: [PATCH 6/8] text box caret

---
 src/frontend/gui/controls.cpp | 77 +++++++++++++++++++++++++++++++----
 src/frontend/gui/controls.h   | 11 +++++
 src/frontend/hud.cpp          | 14 ++++---
 3 files changed, 89 insertions(+), 13 deletions(-)

diff --git a/src/frontend/gui/controls.cpp b/src/frontend/gui/controls.cpp
index 25d9f749..cdfb7cdd 100644
--- a/src/frontend/gui/controls.cpp
+++ b/src/frontend/gui/controls.cpp
@@ -36,6 +36,14 @@ std::wstring Label::getText() const {
     return text;
 }
 
+void Label::setFontName(std::string name) {
+    this->fontName = name;
+}
+
+const std::string& Label::getFontName() const {
+    return fontName;
+}
+
 void Label::draw(const GfxContext* pctx, Assets* assets) {
     if (supplier) {
         setText(supplier());
@@ -246,6 +254,24 @@ TextBox::TextBox(std::wstring placeholder, glm::vec4 padding)
     setHoverColor(glm::vec4(0.05f, 0.1f, 0.2f, 0.75f));
 }
 
+void TextBox::draw(const GfxContext* pctx, Assets* assets) {
+    Panel::draw(pctx, assets);
+
+    if (!isFocused())
+        return;
+
+    if (int((Window::time() - caretLastMove) * 2) % 2 == 0) {
+        auto batch = pctx->getBatch2D();
+        batch->texture(nullptr);
+        batch->color = glm::vec4(1.0f);
+
+        glm::vec2 lcoord = label->calcCoord();
+        auto font = assets->getFont(label->getFontName());
+        int width = font->calcWidth(input.substr(0, caret));
+        batch->rect(lcoord.x + width, lcoord.y, 2, font->getLineHeight());
+    }
+}
+
 void TextBox::drawBackground(const GfxContext* pctx, Assets* assets) {
     glm::vec2 coord = calcCoord();
 
@@ -279,11 +305,22 @@ void TextBox::drawBackground(const GfxContext* pctx, Assets* assets) {
     setScrollable(false);
 }
 
-void TextBox::typed(unsigned int codepoint) {
-    input += std::wstring({(wchar_t)codepoint});
+void TextBox::paste(const std::wstring& text) {
+    if (caret >= input.length()) {
+        input += text;
+    } else {
+        auto left = input.substr(0, caret);
+        auto right = input.substr(caret);
+        input = left + text + right;
+    }
+    caret += text.length();
     validate();
 }
 
+void TextBox::typed(unsigned int codepoint) {
+    paste(std::wstring({(wchar_t)codepoint}));
+}
+
 bool TextBox::validate() {
     if (validator) {
         valid = validator(getText());
@@ -308,6 +345,7 @@ void TextBox::setOnEditStart(runnable oneditstart) {
 void TextBox::focus(GUI* gui) {
     Panel::focus(gui);
     if (onEditStart){
+        caret = input.size();
         onEditStart();
     }
 }
@@ -319,22 +357,39 @@ void TextBox::refresh() {
 
 void TextBox::keyPressed(int key) {
     if (key == keycode::BACKSPACE) {
-        if (!input.empty()){
-            input = input.substr(0, input.length()-1);
+        if (caret > 0 && input.length() > 0) {
+            if (caret > input.length()) {
+                caret = input.length();
+            }
+            input = input.substr(0, caret-1) + input.substr(caret);
+            caret--;
             validate();
         }
     } else if (key == keycode::ENTER) {
         if (validate() && consumer) {
             consumer(label->getText());
         }
-        defocus();        
+        defocus();
+    } else if (key == keycode::LEFT) {
+        if (caret > 0) {
+            if (caret > input.length()) {
+                caret = input.length()-1;
+            } else {
+                caret--;
+            }
+            caretLastMove = Window::time();
+        }
+    } else if (key == keycode::RIGHT) {
+        if (caret < input.length()) {
+            caret++;
+            caretLastMove = Window::time();
+        }
     }
     // Pasting text from clipboard
     if (key == keycode::V && Events::pressed(keycode::LEFT_CONTROL)) {
         const char* text = Window::getClipboardText();
         if (text) {
-            input += util::str2wstr_utf8(text);
-            validate();
+            paste(util::str2wstr_utf8(text));
         }
     }
 }
@@ -389,6 +444,14 @@ void TextBox::setPlaceholder(const std::wstring& placeholder) {
     this->placeholder = placeholder;
 }
 
+uint TextBox::getCaret() const {
+    return caret;
+}
+
+void TextBox::setCaret(uint position) {
+    this->caret = position;
+}
+
 // ============================== InputBindBox ================================
 InputBindBox::InputBindBox(Binding& binding, glm::vec4 padding) 
     : Panel(glm::vec2(100,32), padding, 0),
diff --git a/src/frontend/gui/controls.h b/src/frontend/gui/controls.h
index 60cb4337..ee606d99 100644
--- a/src/frontend/gui/controls.h
+++ b/src/frontend/gui/controls.h
@@ -29,6 +29,9 @@ namespace gui {
         virtual void setText(std::wstring text);
         std::wstring getText() const;
 
+        virtual void setFontName(std::string name);
+        const std::string& getFontName() const;
+
         virtual void draw(const GfxContext* pctx, Assets* assets) override;
 
         virtual void textSupplier(wstringsupplier supplier);
@@ -105,12 +108,18 @@ namespace gui {
         wstringchecker validator = nullptr;
         runnable onEditStart = nullptr;
         bool valid = true;
+        /// @brief text input pointer, value may be greather than text length
+        uint caret = 0;
+        double caretLastMove = 0.0;
+
+        void paste(const std::wstring& text);
     public:
         TextBox(std::wstring placeholder, 
                 glm::vec4 padding=glm::vec4(4.0f));
 
         virtual std::shared_ptr<UINode> getAt(glm::vec2 pos, std::shared_ptr<UINode> self) override;
 
+        virtual void draw(const GfxContext* pctx, Assets* assets) override;
         virtual void drawBackground(const GfxContext* pctx, Assets* assets) override;
         virtual void typed(unsigned int codepoint) override; 
         virtual void keyPressed(int key) override;
@@ -128,6 +137,8 @@ namespace gui {
         virtual void setText(std::wstring value);
         virtual std::wstring getPlaceholder() const;
         virtual void setPlaceholder(const std::wstring&);
+        virtual uint getCaret() const;
+        virtual void setCaret(uint position);
         virtual bool validate();
         virtual void setValid(bool valid);
         virtual bool isValid() const;
diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index e46b62ee..1d97ec3c 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -385,13 +385,15 @@ void Hud::update(bool visible) {
     contentAccess->setMinSize(glm::vec2(1, Window::height));
     hotbarView->setVisible(visible);
 
-    for (int i = keycode::NUM_1; i <= keycode::NUM_9; i++) {
-        if (Events::jpressed(i)) {
-            player->setChosenSlot(i - keycode::NUM_1);
+    if (!gui->isFocusCaught() && !pause) {
+        for (int i = keycode::NUM_1; i <= keycode::NUM_9; i++) {
+            if (Events::jpressed(i)) {
+                player->setChosenSlot(i - keycode::NUM_1);
+            }
+        }
+        if (Events::jpressed(keycode::NUM_0)) {
+            player->setChosenSlot(9);
         }
-    }
-    if (Events::jpressed(keycode::NUM_0)) {
-        player->setChosenSlot(9);
     }
     if (!pause && !inventoryOpen && Events::scroll) {
         int slot = player->getChosenSlot();

From c674bd4ec54fac5f7d07ceca695c00109eaf95ca Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 22 Feb 2024 13:06:37 +0300
Subject: [PATCH 7/8] textbox: delete key support

---
 src/frontend/gui/controls.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/frontend/gui/controls.cpp b/src/frontend/gui/controls.cpp
index cdfb7cdd..4fc29c58 100644
--- a/src/frontend/gui/controls.cpp
+++ b/src/frontend/gui/controls.cpp
@@ -365,6 +365,11 @@ void TextBox::keyPressed(int key) {
             caret--;
             validate();
         }
+    } else if (key == keycode::DELETE) {
+        if (caret < input.length()) {
+            input = input.substr(0, caret) + input.substr(caret + 1);
+            validate();
+        }
     } else if (key == keycode::ENTER) {
         if (validate() && consumer) {
             consumer(label->getText());

From 90057e1f3007d482b00e197e90c1a47540578167 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 22 Feb 2024 13:32:27 +0300
Subject: [PATCH 8/8] mouse caret movement

---
 src/frontend/gui/controls.cpp | 32 ++++++++++++++++++++++++--------
 src/frontend/gui/controls.h   |  4 ++++
 src/graphics/Font.cpp         |  4 ++--
 src/graphics/Font.h           |  2 +-
 4 files changed, 31 insertions(+), 11 deletions(-)

diff --git a/src/frontend/gui/controls.cpp b/src/frontend/gui/controls.cpp
index 4fc29c58..996226c2 100644
--- a/src/frontend/gui/controls.cpp
+++ b/src/frontend/gui/controls.cpp
@@ -257,6 +257,8 @@ TextBox::TextBox(std::wstring placeholder, glm::vec4 padding)
 void TextBox::draw(const GfxContext* pctx, Assets* assets) {
     Panel::draw(pctx, assets);
 
+    font = assets->getFont(label->getFontName());
+
     if (!isFocused())
         return;
 
@@ -266,7 +268,6 @@ void TextBox::draw(const GfxContext* pctx, Assets* assets) {
         batch->color = glm::vec4(1.0f);
 
         glm::vec2 lcoord = label->calcCoord();
-        auto font = assets->getFont(label->getFontName());
         int width = font->calcWidth(input.substr(0, caret));
         batch->rect(lcoord.x + width, lcoord.y, 2, font->getLineHeight());
     }
@@ -313,7 +314,7 @@ void TextBox::paste(const std::wstring& text) {
         auto right = input.substr(caret);
         input = left + text + right;
     }
-    caret += text.length();
+    setCaret(caret + text.length());
     validate();
 }
 
@@ -345,7 +346,7 @@ void TextBox::setOnEditStart(runnable oneditstart) {
 void TextBox::focus(GUI* gui) {
     Panel::focus(gui);
     if (onEditStart){
-        caret = input.size();
+        setCaret(input.size());
         onEditStart();
     }
 }
@@ -355,6 +356,21 @@ void TextBox::refresh() {
     label->setSize(size-glm::vec2(padding.z+padding.x, padding.w+padding.y));
 }
 
+void TextBox::clicked(GUI*, int button) {
+
+}
+
+void TextBox::mouseMove(GUI*, int x, int y) {
+    if (font == nullptr)
+        return;
+    glm::vec2 lcoord = label->calcCoord();
+    uint offset = 0;
+    while (lcoord.x + font->calcWidth(input, offset) < x && offset <= input.length()) {
+        offset++;
+    }
+    setCaret(offset);
+}
+
 void TextBox::keyPressed(int key) {
     if (key == keycode::BACKSPACE) {
         if (caret > 0 && input.length() > 0) {
@@ -362,7 +378,7 @@ void TextBox::keyPressed(int key) {
                 caret = input.length();
             }
             input = input.substr(0, caret-1) + input.substr(caret);
-            caret--;
+            setCaret(caret-1);
             validate();
         }
     } else if (key == keycode::DELETE) {
@@ -378,15 +394,14 @@ void TextBox::keyPressed(int key) {
     } else if (key == keycode::LEFT) {
         if (caret > 0) {
             if (caret > input.length()) {
-                caret = input.length()-1;
+                setCaret(input.length()-1);
             } else {
-                caret--;
+                setCaret(caret-1);
             }
-            caretLastMove = Window::time();
         }
     } else if (key == keycode::RIGHT) {
         if (caret < input.length()) {
-            caret++;
+            setCaret(caret+1);
             caretLastMove = Window::time();
         }
     }
@@ -455,6 +470,7 @@ uint TextBox::getCaret() const {
 
 void TextBox::setCaret(uint position) {
     this->caret = position;
+    caretLastMove = Window::time();
 }
 
 // ============================== InputBindBox ================================
diff --git a/src/frontend/gui/controls.h b/src/frontend/gui/controls.h
index ee606d99..92a1a088 100644
--- a/src/frontend/gui/controls.h
+++ b/src/frontend/gui/controls.h
@@ -15,6 +15,7 @@
 
 class Batch2D;
 class Assets;
+class Font;
 
 namespace gui {
     class Label : public UINode {
@@ -111,6 +112,7 @@ namespace gui {
         /// @brief text input pointer, value may be greather than text length
         uint caret = 0;
         double caretLastMove = 0.0;
+        Font* font = nullptr;
 
         void paste(const std::wstring& text);
     public:
@@ -145,6 +147,8 @@ namespace gui {
         virtual void setOnEditStart(runnable oneditstart);
         virtual void focus(GUI*) override;
         virtual void refresh() override;
+        virtual void clicked(GUI*, int button) override;
+        virtual void mouseMove(GUI*, int x, int y) override;
     };
 
     class InputBindBox : public Panel {
diff --git a/src/graphics/Font.cpp b/src/graphics/Font.cpp
index 27548631..12d4ce87 100644
--- a/src/graphics/Font.cpp
+++ b/src/graphics/Font.cpp
@@ -34,8 +34,8 @@ bool Font::isPrintableChar(int c) {
 
 const int RES = 16;
 
-int Font::calcWidth(std::wstring text) {
-	return text.length() * 8;
+int Font::calcWidth(std::wstring text, size_t length) {
+	return std::min(text.length(), length) * 8;
 }
 
 void Font::draw(Batch2D* batch, std::wstring text, int x, int y) {
diff --git a/src/graphics/Font.h b/src/graphics/Font.h
index d2800b1c..b97436e3 100644
--- a/src/graphics/Font.h
+++ b/src/graphics/Font.h
@@ -23,7 +23,7 @@ public:
 
 	int getLineHeight() const;
     int getYOffset() const;
-	int calcWidth(std::wstring text);
+	int calcWidth(std::wstring text, size_t length=-1);
 	// int getGlyphWidth(char c);
 	bool isPrintableChar(int c);
 	void draw(Batch2D* batch, std::wstring text, int x, int y);