diff --git a/CMakeLists.txt b/CMakeLists.txt
index 53c57ab6..b2ef94c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,11 +84,11 @@ SET(SOURCES
     src/framework/net/rsa.cpp
 
     # framework util
-    src/framework/util/logger.cpp
     src/framework/util/color.cpp
     src/framework/util/translator.cpp
 
     # framework core
+    src/framework/core/logger.cpp
     src/framework/core/configs.cpp
     src/framework/core/resourcemanager.cpp
     src/framework/core/eventdispatcher.cpp
diff --git a/modules/console/console.lua b/modules/console/console.lua
new file mode 100644
index 00000000..5246cc41
--- /dev/null
+++ b/modules/console/console.lua
@@ -0,0 +1,74 @@
+Console = { }
+local console
+local logLocked = false
+
+function Console.onLog(level, message, time)
+  -- avoid logging while reporting logs (would cause a infinite loop)
+  if not logLocked then
+    logLocked = true
+
+    local color
+    if level == LogDebug then
+      color = '#5555ff'
+    elseif level == LogInfo then
+      color = '#55ff55'
+    elseif level == LogWarning then
+      color = '#ffff00'
+    else
+      color = '#ff0000'
+    end
+
+    Console.addLine(message, color)
+
+    logLocked = false
+  end
+end
+
+function Console.addLine(text, color)
+  -- create new label
+  local label = UILabel.create()
+  label:setStyle('ConsoleLabel')
+  label:setText(text)
+  label:setForegroundColor(color)
+
+  console:insertChild(label, -1)
+end
+
+function Console.create()
+  console = loadUI("/console/console.otui")
+  rootWidget:addChild(console)
+  console:hide()
+
+  Logger.setOnLog(Console.onLog)
+  Logger.fireOldMessages()
+end
+
+function Console.destroy()
+  console:destroy()
+  console = nil
+end
+
+function Console.show()
+  console.parent:lockChild(console)
+  console.visible = true
+end
+
+function Console.hide()
+  console.parent:unlockChild(console)
+  console.visible = false
+end
+
+function Console.executeCommand(command)
+  Console.addLine(">> " .. command, "#ffffff")
+  local func, err = loadstring("return (" .. command .. ")", "@")
+  if func then
+    local ok, ret = pcall(func)
+    if ok then
+      Logger.log(LogDebug, "=> " .. tostring(ret))
+    else
+      Logger.log(LogError, 'command failed: ' .. ret)
+    end
+  else
+    Logger.log(LogError, 'incorrect lua syntax: ' .. err:sub(5))
+  end
+end
\ No newline at end of file
diff --git a/modules/console/console.otmod b/modules/console/console.otmod
new file mode 100644
index 00000000..d0eaff52
--- /dev/null
+++ b/modules/console/console.otmod
@@ -0,0 +1,17 @@
+Module
+  name: console
+  description: Console for executing lua functions
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+  version: 0.2
+  autoLoad: true
+  dependencies:
+    - core
+
+  onLoad: |
+    require 'console'
+    Console.create()
+    return true
+
+  onUnload: |
+    Console.destroy()
\ No newline at end of file
diff --git a/modules/console/console.otui b/modules/console/console.otui
new file mode 100644
index 00000000..ca57455e
--- /dev/null
+++ b/modules/console/console.otui
@@ -0,0 +1,35 @@
+ConsoleLabel < UILabel
+  font: terminus-14px-bold
+  height: 16
+  anchors.bottom: next.top
+  anchors.left: parent.left
+  anchors.right: parent.right
+  margin.left: 2
+
+RectPanel
+  id: consolePanel
+  background-color: #000000
+  opacity: 216
+  anchors.fill: parent
+
+  UILabel
+    size: 18 20
+    anchors.bottom: parent.bottom
+    anchors.left: parent.left
+    margin.left: 2
+    font: terminus-14px-bold
+    text: >>
+
+  UILineEdit
+    id: commandBox
+    height: 20
+    anchors.bottom: parent.bottom
+    anchors.left: prev.right
+    anchors.right: parent.right
+    margin.left: 2
+    font: terminus-14px-bold
+    onAction: |
+      function(self)
+        Console.executeCommand(self:getText())
+        self:clearText()
+      end
\ No newline at end of file
diff --git a/modules/core/constants.lua b/modules/core/constants.lua
index 72d6b395..c79df321 100644
--- a/modules/core/constants.lua
+++ b/modules/core/constants.lua
@@ -6,3 +6,11 @@ AnchorLeft = 3
 AnchorRight = 4
 AnchorVerticalCenter = 5
 AnchorHorizontalCenter = 6
+
+LogDebug = 0
+LogInfo = 1
+LogWarning = 2
+LogError = 3
+LogFatal = 4
+
+EmptyFunction = function() end
\ No newline at end of file
diff --git a/modules/core/messagebox.lua b/modules/core/messagebox.lua
index 8945cf3c..80e9d3c6 100644
--- a/modules/core/messagebox.lua
+++ b/modules/core/messagebox.lua
@@ -11,45 +11,48 @@ function MessageBox.create(title, text, flags)
 
   -- create messagebox window
   local window = UIWindow.create()
-  window.id = "messageBoxWindow"
-  window.title = title
+  window:setStyle('Window')
+  window:setId("messageBoxWindow")
+  window:setTitle(title)
   window:centerIn("parent")
   rootWidget:addChild(window)
-  window:lock()
+  rootWidget:lockChild(window)
 
   -- create messagebox label
   local label = UILabel.create()
-  label.id = "messageBoxLabel"
-  label.text = text
-  label:addAnchor(AnchorHorizontalCenter, window.id, AnchorHorizontalCenter)
-  label:addAnchor(AnchorTop, window.id, AnchorTop)
+  label:setStyle('Label')
+  label:setId("messageBoxLabel")
+  label:setText(text)
+  label:addAnchor(AnchorHorizontalCenter, window:getId(), AnchorHorizontalCenter)
+  label:addAnchor(AnchorTop, window:getId(), AnchorTop)
   label:setMargin(27, 0)
   label:resizeToText()
   window:addChild(label)
 
   -- set window size based on label size
-  window.width = label.width + 60
-  window.height = label.height + 64
+  window:setWidth(label:getWidth() + 60)
+  window:setHeight(label:getHeight() + 64)
 
   -- setup messagebox first button
   local button1 = UIButton.create()
-  button1.id = "messageBoxButton1"
-  button1:addAnchor(AnchorBottom, window.id, AnchorBottom)
-  button1:addAnchor(AnchorRight, window.id, AnchorRight)
+  button1:setStyle('Button')
+  button1:setId("messageBoxButton1")
+  button1:addAnchor(AnchorBottom, window:getId(), AnchorBottom)
+  button1:addAnchor(AnchorRight, window:getId(), AnchorRight)
   button1:setMargin(10)
-  button1.width = 64
+  button1:setWidth(64)
   window:addChild(button1)
 
   if flags == MessageBoxOk then
-    button1.text = "Ok"
-    box.onOk = createEmptyFunction()
+    button1:setText("Ok")
+    box.onOk = EmptyFunction
     button1.onClick = function()
       box.onOk()
       box:destroy()
     end
   elseif flags == MessageBoxCancel then
-    button1.text = "Cancel"
-    box.onCancel = createEmptyFunction()
+    button1:setText("Cancel")
+    box.onCancel = EmptyFunction
     button1.onClick = function()
       box.onCancel()
       box:destroy()
diff --git a/modules/core/util.lua b/modules/core/util.lua
index 7e9c6c4f..394c7bdc 100644
--- a/modules/core/util.lua
+++ b/modules/core/util.lua
@@ -1,5 +1,7 @@
-function createEmptyFunction()
-  local emptyFunction = function() end
-  return emptyFunction
-end
-
+function print(...)
+  local msg = ""
+  for i,v in ipairs(arg) do
+    msg = msg .. tostring(v) .. "\t"
+  end
+  Logger.log(LogInfo, msg)
+end
\ No newline at end of file
diff --git a/modules/core/widget.lua b/modules/core/widget.lua
index afdebbac..edcc0b09 100644
--- a/modules/core/widget.lua
+++ b/modules/core/widget.lua
@@ -1,19 +1,19 @@
 function UIWidget:setMargin(...)
     local params = {...}
     if #params == 1 then
-        self.marginTop = params[1]
-        self.marginRight = params[1]
-        self.marginBottom = params[1]
-        self.marginLeft = params[1]
+        self:setMarginTop(params[1])
+        self:setMarginRight(params[1])
+        self:setMarginBottom(params[1])
+        self:setMarginLeft(params[1])
     elseif #params == 2 then
-        self.marginTop = params[1]
-        self.marginRight = params[2]
-        self.marginBottom = params[1]
-        self.marginLeft = params[2]
+        self:setMarginTop(params[1])
+        self:setMarginRight(params[2])
+        self:setMarginBottom(params[1])
+        self:setMarginLeft(params[2])
     elseif #params == 4 then
-        self.marginTop = params[1]
-        self.marginRight = params[2]
-        self.marginBottom = params[3]
-        self.marginLeft = params[4]
+        self:setMarginTop(params[1])
+        self:setMarginRight(params[2])
+        self:setMarginBottom(params[3])
+        self:setMarginLeft(params[4])
     end
 end
\ No newline at end of file
diff --git a/modules/core_fonts/core_fonts.otmod b/modules/core_fonts/core_fonts.otmod
index eac5071f..e3a401a7 100644
--- a/modules/core_fonts/core_fonts.otmod
+++ b/modules/core_fonts/core_fonts.otmod
@@ -11,6 +11,7 @@ Module
     importFont('helvetica-12px-bold')
     importFont('helvetica-12px')
     importFont('helvetica-14px-bold')
+    importFont('terminus-14px-bold')
 
     setDefaultFont('helvetica-12px')
     return true
diff --git a/modules/core_fonts/terminus-14px-bold.otfont b/modules/core_fonts/terminus-14px-bold.otfont
new file mode 100644
index 00000000..01107b8a
--- /dev/null
+++ b/modules/core_fonts/terminus-14px-bold.otfont
@@ -0,0 +1,9 @@
+Font
+  name: terminus-14px-bold
+  height: 16
+  spacing: 0 0
+  top margin: 2
+  texture: terminus-14px-bold.png
+  glyph size: 16 16
+  fixed glyph width: 8
+
diff --git a/modules/core_fonts/terminus-14px-bold.png b/modules/core_fonts/terminus-14px-bold.png
new file mode 100644
index 00000000..e55e08ec
Binary files /dev/null and b/modules/core_fonts/terminus-14px-bold.png differ
diff --git a/modules/core_ui/buttons.otui b/modules/core_ui/buttons.otui
index 5340072c..9786d933 100644
--- a/modules/core_ui/buttons.otui
+++ b/modules/core_ui/buttons.otui
@@ -1,6 +1,6 @@
 Button < UIButton
   font: helvetica-11px-bold
-  font-color: #f0ad4dff
+  color: #f0ad4dff
   size: 106 24
   border-image:
     source: /core_ui/images/button.png
diff --git a/modules/core_ui/images/empty_rect.png b/modules/core_ui/images/empty_rect.png
new file mode 100644
index 00000000..3c087667
Binary files /dev/null and b/modules/core_ui/images/empty_rect.png differ
diff --git a/modules/core_ui/labels.otui b/modules/core_ui/labels.otui
index 9444c45a..f47653a6 100644
--- a/modules/core_ui/labels.otui
+++ b/modules/core_ui/labels.otui
@@ -1,5 +1,8 @@
 Label < UILabel
+  font: helvetica-12px
+  color: #ffffff
 
 LargerLabel < Label
   font: helvetica-12px-bold
+  color: #ffffff
 
diff --git a/modules/core_ui/lineedits.otui b/modules/core_ui/lineedits.otui
index e3caa9b3..4c484b2b 100644
--- a/modules/core_ui/lineedits.otui
+++ b/modules/core_ui/lineedits.otui
@@ -1,4 +1,5 @@
 LineEdit < UILineEdit
+  font: helvetica-12px
   size: 86 20
   text-margin: 3
   border-image:
diff --git a/modules/core_ui/panels.otui b/modules/core_ui/panels.otui
index 8de46eea..bb94e92a 100644
--- a/modules/core_ui/panels.otui
+++ b/modules/core_ui/panels.otui
@@ -12,4 +12,4 @@ RoundedPanel < Panel
     border: 4
 
 RectPanel < UIWidget
-  image: /core_ui/images/emptyrect.png
\ No newline at end of file
+  image: /core_ui/images/empty_rect.png
\ No newline at end of file
diff --git a/modules/core_ui/windows.otui b/modules/core_ui/windows.otui
index 1b671237..f1c39f64 100644
--- a/modules/core_ui/windows.otui
+++ b/modules/core_ui/windows.otui
@@ -1,4 +1,5 @@
 Window < UIWindow
+  font: helvetica-12px-bold
   size: 200 200
   head:
     height: 20
@@ -17,5 +18,4 @@ Window < UIWindow
       border.top: 0
 
 MainWindow < Window
-  anchors.centerIn: parent
-  onLoad: function(self) self:lock() end
\ No newline at end of file
+  anchors.centerIn: parent
\ No newline at end of file
diff --git a/modules/gfx/gfx.lua b/modules/gfx/gfx.lua
index 0cb3efaa..af0aa0db 100644
--- a/modules/gfx/gfx.lua
+++ b/modules/gfx/gfx.lua
@@ -3,7 +3,7 @@ GFX = { }
 function GFX.fadeIn(widget, time, elapsed)
     if not elapsed then elapsed = 0 end
     if not time then time = 250 end
-    widget.opacity = math.min((255*elapsed)/time, 255)
+    widget:setOpacity(math.min((255*elapsed)/time, 255))
     if elapsed < time then
         scheduleEvent(function()
                         GFX.fadeIn(widget, time, elapsed + 30)
@@ -14,7 +14,7 @@ end
 function GFX.fadeOut(widget, time, elapsed)
     if not elapsed then elapsed = 0 end
     if not time then time = 250 end
-    widget.opacity = (255*(time - elapsed))/time
+    widget:setOpacity((255*(time - elapsed))/time)
     if elapsed < time then
         scheduleEvent(function()
                         GFX.fadeOut(widget, time, elapsed + 30)
diff --git a/modules/mainmenu/entergame.lua b/modules/mainmenu/entergame.lua
index 4b63f105..3f7d72bc 100644
--- a/modules/mainmenu/entergame.lua
+++ b/modules/mainmenu/entergame.lua
@@ -31,8 +31,8 @@ function EnterGame_connectToLoginServer()
   end
 
   local enterGameWindow = rootWidget:getChild("enterGameWindow")
-  local account = enterGameWindow:getChild("accountNameLineEdit").text
-  local password = enterGameWindow:getChild("accountPasswordLineEdit").text
+  local account = enterGameWindow:getChild("accountNameLineEdit"):getText()
+  local password = enterGameWindow:getChild("accountPasswordLineEdit"):getText()
   protocolLogin:login(account, password)
 
   enterGameWindow:destroy()
diff --git a/modules/mainmenu/ui/entergamewindow.otui b/modules/mainmenu/ui/entergamewindow.otui
index b7d0c6f4..85031f5f 100644
--- a/modules/mainmenu/ui/entergamewindow.otui
+++ b/modules/mainmenu/ui/entergamewindow.otui
@@ -50,4 +50,4 @@ MainWindow
     anchors.bottom: parent.bottom
     margin.bottom: 16
     margin.right: 16
-    onClick: function(self) GFX.fadeOut(self.parent) end
+    onClick: function(self) GFX.fadeOut(self:getParent()) end
diff --git a/modules/mainmenu/ui/infowindow.otui b/modules/mainmenu/ui/infowindow.otui
index 4a982462..bd48f73a 100644
--- a/modules/mainmenu/ui/infowindow.otui
+++ b/modules/mainmenu/ui/infowindow.otui
@@ -58,4 +58,4 @@ MainWindow
     anchors.top: parent.top
     margin.top: 191
     margin.left: 188
-    onClick: function(self) self.parent:destroy() end
+    onClick: function(self) self:getParent():destroy() end
diff --git a/modules/mainmenu/ui/optionswindow.otui b/modules/mainmenu/ui/optionswindow.otui
index d87451df..c2130410 100644
--- a/modules/mainmenu/ui/optionswindow.otui
+++ b/modules/mainmenu/ui/optionswindow.otui
@@ -113,4 +113,4 @@ MainWindow
     anchors.bottom: parent.bottom
     margin.right: 10
     margin.bottom: 13
-    onClick: function(self) self.parent:destroy() end
+    onClick: function(self) self:getParent():destroy() end
diff --git a/src/framework/const.h b/src/framework/const.h
index f3abb3d7..da642335 100644
--- a/src/framework/const.h
+++ b/src/framework/const.h
@@ -3,6 +3,14 @@
 
 //namespace fw {
 
+enum LogLevel {
+    LogDebug = 0,
+    LogInfo,
+    LogWarning,
+    LogError,
+    LogFatal
+};
+
 enum AlignmentFlag {
     AlignLeft = 1,
     AlignRight = 2,
diff --git a/src/framework/core/configs.cpp b/src/framework/core/configs.cpp
index 2662e810..379fda00 100644
--- a/src/framework/core/configs.cpp
+++ b/src/framework/core/configs.cpp
@@ -5,17 +5,20 @@
 
 Configs g_configs;
 
-bool Configs::load(const std::string& fileName)
+bool Configs::load(const std::string& file)
 {
-    m_fileName = fileName;
+    m_fileName = file;
+
+    if(!g_resources.fileExists(file))
+        return false;
 
     try {
-        OTMLDocumentPtr doc = OTMLDocument::parse(fileName);
+        OTMLDocumentPtr doc = OTMLDocument::parse(file);
         for(const OTMLNodePtr& child : doc->children())
             m_confsMap[child->tag()] = child->value();
         return true;
     } catch(std::exception& e) {
-        logError("ERROR: could not load configurations: ", e.what());
+        logError("could not load configurations: ", e.what());
         return false;
     }
 }
diff --git a/src/framework/core/configs.h b/src/framework/core/configs.h
index 097741f3..39e8ae97 100644
--- a/src/framework/core/configs.h
+++ b/src/framework/core/configs.h
@@ -6,7 +6,7 @@
 class Configs
 {
 public:
-    bool load(const std::string& fileName);
+    bool load(const std::string& file);
     bool save();
 
     void set(const std::string& key, const std::string& value) { m_confsMap[key] = value; }
diff --git a/src/framework/core/logger.cpp b/src/framework/core/logger.cpp
new file mode 100644
index 00000000..adf611ad
--- /dev/null
+++ b/src/framework/core/logger.cpp
@@ -0,0 +1,52 @@
+#include "logger.h"
+#include "eventdispatcher.h"
+
+Logger g_logger;
+
+Logger::Logger() : m_terminated(false)
+{
+
+}
+
+void Logger::log(LogLevel level, std::string message)
+{
+    const static std::string logPrefixes[] = { "", "", "WARNING: ", "ERROR: ", "FATAL ERROR: " };
+
+    if(!m_terminated) {
+        message.insert(0, logPrefixes[level]);
+        std::cout << message << std::endl;
+
+        std::size_t now = std::time(NULL);
+        m_logMessages.push_back(LogMessage(level, message, now));
+
+        if(m_onLog)
+            g_dispatcher.addEvent(std::bind(m_onLog, level, message, now));
+    }
+
+    if(level == LogFatal) {
+        m_terminated = true;
+        exit(-1);
+    }
+}
+
+void Logger::logFunc(LogLevel level, const std::string& message, std::string prettyFunction)
+{
+    std::stringstream ss;
+    prettyFunction = prettyFunction.substr(0, prettyFunction.find_first_of('('));
+    if(prettyFunction.find_last_of(' ') != std::string::npos)
+        prettyFunction = prettyFunction.substr(prettyFunction.find_last_of(' ') + 1);
+
+    if(!prettyFunction.empty())
+        ss << "[" << prettyFunction << "] ";
+
+    ss << message;
+    log(level, ss.str());
+}
+
+void Logger::fireOldMessages()
+{
+    if(m_onLog) {
+        for(const LogMessage& logMessage : m_logMessages)
+            g_dispatcher.addEvent(std::bind(m_onLog, logMessage.level, logMessage.message, logMessage.when));
+    }
+}
diff --git a/src/framework/core/logger.h b/src/framework/core/logger.h
new file mode 100644
index 00000000..fb229cf7
--- /dev/null
+++ b/src/framework/core/logger.h
@@ -0,0 +1,49 @@
+#ifndef LOGGER_H
+#define LOGGER_H
+
+#include "../util/tools.h"
+#include <vector>
+#include <functional>
+
+struct LogMessage {
+  LogMessage(LogLevel level, const std::string& message, std::size_t when) : level(level), message(message), when(when) { }
+  LogLevel level;
+  std::string message;
+  std::size_t when;
+};
+
+class Logger
+{
+    typedef std::function<void(LogLevel, std::string, std::size_t)> OnLogCallback;
+
+public:
+    Logger();
+
+    void log(LogLevel level, std::string message);
+    void logFunc(LogLevel level, const std::string& message, std::string prettyFunction);
+
+    void fireOldMessages();
+    void setOnLog(const OnLogCallback& onLog) { m_onLog = onLog; }
+
+private:
+    std::vector<LogMessage> m_logMessages;
+    OnLogCallback m_onLog;
+    bool m_terminated;
+};
+
+extern Logger g_logger;
+
+// specialized logging
+#define logDebug(...) g_logger.log(LogDebug, fw::mkstr(__VA_ARGS__))
+#define logInfo(...) g_logger.log(LogInfo, fw::mkstr(__VA_ARGS__))
+#define logWarning(...) g_logger.log(LogWarning, fw::mkstr(__VA_ARGS__))
+#define logError(...) g_logger.log(LogError, fw::mkstr(__VA_ARGS__))
+#define logFatal(...) g_logger.log(LogFatal, fw::mkstr(__VA_ARGS__))
+
+#define logTrace() g_logger.logFunc(LogDebug, "", __PRETTY_FUNCTION__)
+#define logTraceDebug(...) g_logger.logFunc(LogDebug, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTraceInfo(...) g_logger.logFunc(LogInfo, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTraceWarning(...) g_logger.logFunc(LogWarning, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
+#define logTraceError(...) g_logger.logFunc(LogError, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
+
+#endif
\ No newline at end of file
diff --git a/src/framework/core/module.cpp b/src/framework/core/module.cpp
index f85d661b..e01460f5 100644
--- a/src/framework/core/module.cpp
+++ b/src/framework/core/module.cpp
@@ -54,7 +54,7 @@ bool Module::load()
         logInfo("Loaded module '", m_name, "'");
         return true;
     } catch(std::exception& e) {
-        logError("ERROR: failed to load module '", m_name, "': ", e.what());
+        logError("failed to load module '", m_name, "': ", e.what());
         return false;
     }
 }
diff --git a/src/framework/core/modulemanager.cpp b/src/framework/core/modulemanager.cpp
index 6b8388e6..b0e8785a 100644
--- a/src/framework/core/modulemanager.cpp
+++ b/src/framework/core/modulemanager.cpp
@@ -38,7 +38,7 @@ bool ModuleManager::discoverModule(const std::string& file)
         module->discover(moduleNode);
         m_modules.push_back(module);
     } catch(std::exception& e) {
-        logError("ERROR: failed to load module from '", file, "': ", e.what());
+        logError("failed to load module from '", file, "': ", e.what());
         return false;
     }
     return true;
diff --git a/src/framework/core/resourcemanager.cpp b/src/framework/core/resourcemanager.cpp
index cfe1f6ef..5e81a5d6 100644
--- a/src/framework/core/resourcemanager.cpp
+++ b/src/framework/core/resourcemanager.cpp
@@ -30,14 +30,14 @@ void ResourceManager::init(const char* argv0)
     }
 
     if(!found)
-        logFatal("FATAL ERROR: could not find modules directory");
+        logFatal("could not find modules directory");
 
     // setup write directory
     std::string dir = g_platform.getAppUserDir();
     if(g_resources.setWriteDir(dir))
         g_resources.addToSearchPath(dir);
     else
-        logError("ERROR: could not setup write directory");
+        logError("could not setup write directory");
 }
 
 void ResourceManager::terminate()
diff --git a/src/framework/global.h b/src/framework/global.h
index 252c35db..0005d443 100644
--- a/src/framework/global.h
+++ b/src/framework/global.h
@@ -41,13 +41,15 @@
 // additional utilities
 #include "util/types.h"
 #include "util/tools.h"
-#include "util/logger.h"
 #include "util/translator.h"
 #include "util/point.h"
 #include "util/color.h"
 #include "util/rect.h"
 #include "util/size.h"
 
+// logger
+#include "core/logger.h"
+
 // easy typing for _1, _2, ...
 using namespace std::placeholders;
 
diff --git a/src/framework/graphics/font.cpp b/src/framework/graphics/font.cpp
index 417f4403..e4d52d9c 100644
--- a/src/framework/graphics/font.cpp
+++ b/src/framework/graphics/font.cpp
@@ -18,8 +18,11 @@ void Font::load(const OTMLNodePtr& fontNode)
     if(!m_texture)
         throw std::runtime_error("failed to load texture for font");
 
-    // auto calculate widths
-    calculateGlyphsWidthsAutomatically(glyphSize);
+    if(OTMLNodePtr node = fontNode->get("fixed glyph width")) {
+        for(int glyph = m_firstGlyph; glyph < 256; ++glyph)
+            m_glyphsSize[glyph] = Size(node->value<int>(), m_glyphHeight);
+    } else
+        calculateGlyphsWidthsAutomatically(glyphSize);
 
     // read custom widths
     if(OTMLNodePtr node = fontNode->get("glyph widths")) {
diff --git a/src/framework/graphics/fontmanager.cpp b/src/framework/graphics/fontmanager.cpp
index 5179c5be..ce04f89e 100644
--- a/src/framework/graphics/fontmanager.cpp
+++ b/src/framework/graphics/fontmanager.cpp
@@ -34,7 +34,7 @@ bool FontManager::importFont(std::string fontFile)
 
         return true;
     } catch(std::exception& e) {
-        logError("ERROR: could not load font from '", fontFile, "': ", e.what());
+        logError("could not load font from '", fontFile, "': ", e.what());
         return false;
     }
 }
@@ -64,6 +64,6 @@ FontPtr FontManager::getDefaultFont()
 {
     // default font should always exists, otherwise the app may crash
     if(!m_defaultFont)
-        logFatal("FATAL ERROR: no default font to display, cannot continue to run");
+        logFatal("no default font to display, cannot continue to run");
     return m_defaultFont;
 }
diff --git a/src/framework/graphics/graphics.cpp b/src/framework/graphics/graphics.cpp
index 531d2074..d1627ed0 100644
--- a/src/framework/graphics/graphics.cpp
+++ b/src/framework/graphics/graphics.cpp
@@ -194,8 +194,7 @@ void Graphics::drawRepeatedTexturedRect(const Rect& screenCoords,
         stopDrawing();
 }
 
-void Graphics::drawFilledRect(const Rect& screenCoords,
-                              const Color& color)
+void Graphics::drawFilledRect(const Rect& screenCoords)
 {
     assert(!m_drawing);
 
@@ -208,8 +207,6 @@ void Graphics::drawFilledRect(const Rect& screenCoords,
     int top = screenCoords.top();
     int left = screenCoords.left();
 
-    glPushAttrib(GL_CURRENT_BIT);
-    glColor4ubv(color.rgbaPtr());
     glDisable(GL_TEXTURE_2D);
     glBegin(GL_QUADS);
 
@@ -220,12 +217,10 @@ void Graphics::drawFilledRect(const Rect& screenCoords,
 
     glEnd();
     glEnable(GL_TEXTURE_2D);
-    glPopAttrib();
 }
 
 
 void Graphics::drawBoundingRect(const Rect& screenCoords,
-                                const Color& color,
                                 int innerLineWidth)
 {
     assert(!m_drawing);
@@ -239,8 +234,6 @@ void Graphics::drawBoundingRect(const Rect& screenCoords,
     int top = screenCoords.top();
     int left = screenCoords.left();
 
-    glPushAttrib(GL_CURRENT_BIT);
-    glColor4ubv(color.rgbaPtr());
     glDisable(GL_TEXTURE_2D);
     glBegin(GL_QUADS);
 
@@ -270,7 +263,6 @@ void Graphics::drawBoundingRect(const Rect& screenCoords,
 
     glEnd();
     glEnable(GL_TEXTURE_2D);
-    glPopAttrib();
 }
 
 void Graphics::bindColor(const Color& color)
diff --git a/src/framework/graphics/graphics.h b/src/framework/graphics/graphics.h
index 0719d692..4dca7d2c 100644
--- a/src/framework/graphics/graphics.h
+++ b/src/framework/graphics/graphics.h
@@ -45,11 +45,9 @@ public:
                                   const TexturePtr& texture,
                                   const Rect& textureCoords);
 
-    void drawFilledRect(const Rect& screenCoords,
-                        const Color& color);
+    void drawFilledRect(const Rect& screenCoords);
 
     void drawBoundingRect(const Rect& screenCoords,
-                          const Color& color = Color::green,
                           int innerLineWidth = 1);
 
     const Size& getScreenSize() const { return m_screenSize; }
diff --git a/src/framework/graphics/texture.cpp b/src/framework/graphics/texture.cpp
index 9dc929f4..9979d8e8 100644
--- a/src/framework/graphics/texture.cpp
+++ b/src/framework/graphics/texture.cpp
@@ -35,7 +35,7 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
 
     // checks texture max size
     if(width > maxTexSize || height > maxTexSize) {
-        logError("ERROR: loading texture with size ", width, "x", height, " failed, "
+        logError("loading texture with size ", width, "x", height, " failed, "
                  "the maximum size allowed by the graphics card is ", maxTexSize, "x", maxTexSize, ",",
                  "to prevent crashes the texture will be displayed as a blank texture");
         return 0;
diff --git a/src/framework/graphics/texturemanager.cpp b/src/framework/graphics/texturemanager.cpp
index 2ddc063c..3e90f490 100644
--- a/src/framework/graphics/texturemanager.cpp
+++ b/src/framework/graphics/texturemanager.cpp
@@ -31,7 +31,7 @@ TexturePtr TextureManager::getTexture(const std::string& textureFile)
             g_resources.loadFile(textureFile, fin);
             texture = loadPNG(fin);
         } catch(std::exception& e) {
-            logError("ERROR: unable to load texture '",textureFile,"': ", e.what());
+            logError("unable to load texture '",textureFile,"': ", e.what());
         }
     }
 
diff --git a/src/framework/luascript/luafunctions.cpp b/src/framework/luascript/luafunctions.cpp
index 3c935742..7accc5eb 100644
--- a/src/framework/luascript/luafunctions.cpp
+++ b/src/framework/luascript/luafunctions.cpp
@@ -10,51 +10,71 @@ void LuaInterface::registerFunctions()
     // UIWidget
     g_lua.registerClass<UIWidget>();
     g_lua.bindClassStaticFunction<UIWidget>("create", &UIWidget::create);
-
-    g_lua.bindClassMemberFunction("destroy", &UIWidget::destroy);
-    g_lua.bindClassMemberFunction("addChild", &UIWidget::addChild);
-
-    g_lua.bindClassMemberField<UIWidget>("id", &UIWidget::getId, &UIWidget::setId);
-    g_lua.bindClassMemberField<UIWidget>("enabled", &UIWidget::isEnabled, &UIWidget::setEnabled);
-    g_lua.bindClassMemberField<UIWidget>("visible", &UIWidget::isVisible, &UIWidget::setVisible);
-    g_lua.bindClassMemberField<UIWidget>("width", &UIWidget::getWidth, &UIWidget::setWidth);
-    g_lua.bindClassMemberField<UIWidget>("height", &UIWidget::getHeight, &UIWidget::setHeight);
-    g_lua.bindClassMemberField<UIWidget>("parent", &UIWidget::getParent, &UIWidget::setParent);
-    g_lua.bindClassMemberField<UIWidget>("color", &UIWidget::getColor, &UIWidget::setColor);
-    g_lua.bindClassMemberField<UIWidget>("opacity", &UIWidget::getOpacity, &UIWidget::setOpacity);
-    g_lua.bindClassMemberField<UIWidget>("marginTop", &UIWidget::getMarginTop, &UIWidget::setMarginTop);
-    g_lua.bindClassMemberField<UIWidget>("marginBottom", &UIWidget::getMarginBottom, &UIWidget::setMarginBottom);
-    g_lua.bindClassMemberField<UIWidget>("marginLeft", &UIWidget::getMarginLeft, &UIWidget::setMarginLeft);
-    g_lua.bindClassMemberField<UIWidget>("marginRight", &UIWidget::getMarginRight, &UIWidget::setMarginRight);
+    g_lua.bindClassMemberFunction<UIWidget>("getId", &UIWidget::getId);
+    g_lua.bindClassMemberFunction<UIWidget>("setId", &UIWidget::setId);
+    g_lua.bindClassMemberFunction<UIWidget>("isEnabled", &UIWidget::isEnabled);
+    g_lua.bindClassMemberFunction<UIWidget>("setEnabled", &UIWidget::setEnabled);
+    g_lua.bindClassMemberFunction<UIWidget>("isVisible", &UIWidget::isVisible);
+    g_lua.bindClassMemberFunction<UIWidget>("setVisible", &UIWidget::setVisible);
+    g_lua.bindClassMemberFunction<UIWidget>("getWidth", &UIWidget::getWidth);
+    g_lua.bindClassMemberFunction<UIWidget>("setWidth", &UIWidget::setWidth);
+    g_lua.bindClassMemberFunction<UIWidget>("getHeight", &UIWidget::getHeight);
+    g_lua.bindClassMemberFunction<UIWidget>("setHeight", &UIWidget::setHeight);
+    g_lua.bindClassMemberFunction<UIWidget>("getParent", &UIWidget::getParent);
+    g_lua.bindClassMemberFunction<UIWidget>("setParent", &UIWidget::setParent);
+    g_lua.bindClassMemberFunction<UIWidget>("getBackgroundColor", &UIWidget::getBackgroundColor);
+    g_lua.bindClassMemberFunction<UIWidget>("setBackgroundColor", &UIWidget::setBackgroundColor);
+    g_lua.bindClassMemberFunction<UIWidget>("getForegroundColor", &UIWidget::getForegroundColor);
+    g_lua.bindClassMemberFunction<UIWidget>("setForegroundColor", &UIWidget::setForegroundColor);
+    g_lua.bindClassMemberFunction<UIWidget>("getOpacity", &UIWidget::getOpacity);
+    g_lua.bindClassMemberFunction<UIWidget>("setOpacity", &UIWidget::setOpacity);
+    g_lua.bindClassMemberFunction<UIWidget>("setStyle", &UIWidget::setStyle);
+    g_lua.bindClassMemberFunction<UIWidget>("getMarginTop", &UIWidget::getMarginTop);
+    g_lua.bindClassMemberFunction<UIWidget>("setMarginTop", &UIWidget::setMarginTop);
+    g_lua.bindClassMemberFunction<UIWidget>("getMarginBottom", &UIWidget::getMarginBottom);
+    g_lua.bindClassMemberFunction<UIWidget>("setMarginBottom", &UIWidget::setMarginBottom);
+    g_lua.bindClassMemberFunction<UIWidget>("getMarginLeft", &UIWidget::getMarginLeft);
+    g_lua.bindClassMemberFunction<UIWidget>("setMarginLeft", &UIWidget::setMarginLeft);
+    g_lua.bindClassMemberFunction<UIWidget>("getMarginRight", &UIWidget::getMarginRight);
+    g_lua.bindClassMemberFunction<UIWidget>("setMarginRight", &UIWidget::setMarginRight);
+    g_lua.bindClassMemberFunction<UIWidget>("hide", &UIWidget::hide);
+    g_lua.bindClassMemberFunction<UIWidget>("show", &UIWidget::show);
+    g_lua.bindClassMemberFunction<UIWidget>("fill", &UIWidget::fill);
     g_lua.bindClassMemberFunction<UIWidget>("centerIn", &UIWidget::centerIn);
     g_lua.bindClassMemberFunction<UIWidget>("addAnchor", &UIWidget::addAnchor);
     g_lua.bindClassMemberFunction<UIWidget>("getChild", &UIWidget::getChildById);
+    g_lua.bindClassMemberFunction<UIWidget>("insertChild", &UIWidget::insertChild);
+    g_lua.bindClassMemberFunction<UIWidget>("removeChild", &UIWidget::removeChild);
     g_lua.bindClassMemberFunction<UIWidget>("addChild", &UIWidget::addChild);
-    g_lua.bindClassMemberFunction<UIWidget>("lock", &UIWidget::lock);
-    g_lua.bindClassMemberFunction<UIWidget>("hide", &UIWidget::hide);
-    g_lua.bindClassMemberFunction<UIWidget>("show", &UIWidget::show);
+    g_lua.bindClassMemberFunction<UIWidget>("lockChild", &UIWidget::lockChild);
+    g_lua.bindClassMemberFunction<UIWidget>("destroy", &UIWidget::destroy);
 
 
     // UILabel
     g_lua.registerClass<UILabel, UIWidget>();
     g_lua.bindClassStaticFunction<UILabel>("create", &UILabel::create);
-    g_lua.bindClassMemberField("text", &UILabel::getText, &UILabel::setText);
+    g_lua.bindClassMemberFunction<UILabel>("getText", &UILabel::getText);
+    g_lua.bindClassMemberFunction<UILabel>("setText", &UILabel::setText);
     g_lua.bindClassMemberFunction("resizeToText", &UILabel::resizeToText);
 
     // UIButton
     g_lua.registerClass<UIButton, UIWidget>();
     g_lua.bindClassStaticFunction<UIButton>("create", &UIButton::create);
-    g_lua.bindClassMemberField("text", &UIButton::getText, &UIButton::setText);
+    g_lua.bindClassMemberFunction<UIButton>("getText", &UIButton::getText);
+    g_lua.bindClassMemberFunction<UIButton>("setText", &UIButton::setText);
 
     // UILineEdit
     g_lua.registerClass<UILineEdit, UIWidget>();
     g_lua.bindClassStaticFunction<UILineEdit>("create", &UILineEdit::create);
-    g_lua.bindClassMemberField("text", &UILineEdit::getText, &UILineEdit::setText);
+    g_lua.bindClassMemberFunction<UILineEdit>("getText", &UILineEdit::getText);
+    g_lua.bindClassMemberFunction<UILineEdit>("setText", &UILineEdit::setText);
+    g_lua.bindClassMemberFunction<UILineEdit>("clearText", &UILineEdit::clearText);
 
     // UIWindow
     g_lua.registerClass<UIWindow, UIWidget>();
     g_lua.bindClassStaticFunction<UIWindow>("create", &UIWindow::create);
-    g_lua.bindClassMemberField("title", &UIWindow::getTitle, &UIWindow::setTitle);
+    g_lua.bindClassMemberFunction<UIWindow>("getTitle", &UIWindow::getTitle);
+    g_lua.bindClassMemberFunction<UIWindow>("setTitle", &UIWindow::setTitle);
 
     // Protocol
     g_lua.registerClass<Protocol>();
@@ -64,6 +84,12 @@ void LuaInterface::registerFunctions()
     g_lua.bindClassStaticFunction<Configs>("set", std::bind(&Configs::set, &g_configs, _1, _2));
     g_lua.bindClassStaticFunction<Configs>("get", std::bind(&Configs::get, &g_configs, _1));
 
+    // Logger
+    g_lua.registerClass<Logger>();
+    g_lua.bindClassStaticFunction<Logger>("log", std::bind(&Logger::log, &g_logger, _1, _2));
+    g_lua.bindClassStaticFunction<Logger>("fireOldMessages", std::bind(&Logger::fireOldMessages, &g_logger));
+    g_lua.bindClassStaticFunction<Logger>("setOnLog", std::bind(&Logger::setOnLog, &g_logger, _1));
+
     // global functions
     g_lua.bindGlobalFunction("importFont", std::bind(&FontManager::importFont, &g_fonts, _1));
     g_lua.bindGlobalFunction("importStyles", std::bind(&UIManager::importStyles, &g_ui, _1));
diff --git a/src/framework/luascript/luainterface.cpp b/src/framework/luascript/luainterface.cpp
index d8f149b4..58b5370b 100644
--- a/src/framework/luascript/luainterface.cpp
+++ b/src/framework/luascript/luainterface.cpp
@@ -422,7 +422,7 @@ int LuaInterface::protectedCall(int numArgs, int requestedResults)
             throw LuaException("attempt to call a non function value", 0);
         }
     } catch(LuaException &e) {
-        logError(e.what());
+        logError("protected lua call failed: ", e.what());
     }
 
     // pushes nil values if needed
@@ -457,7 +457,7 @@ int LuaInterface::luaScriptLoader(lua_State* L)
         g_lua.loadScript(fileName);
         return 1;
     } catch(LuaException& e) {
-        logError("ERROR: failed to load script file '", fileName, "' :'", e.what());
+        logError("failed to load script file '", fileName, "' :'", e.what());
         return 0;
     }
 }
@@ -489,7 +489,7 @@ int LuaInterface::luaCppFunctionCallback(lua_State* L)
         numRets = (*(funcPtr->get()))(&g_lua);
         assert(numRets == g_lua.stackSize());
     } catch(LuaException &e) {
-        logError(e.what());
+        logError("lua cpp callback failed: ", e.what());
     }
 
     return numRets;
diff --git a/src/framework/luascript/luaobject.cpp b/src/framework/luascript/luaobject.cpp
index 1a5dd3dd..416c0b04 100644
--- a/src/framework/luascript/luaobject.cpp
+++ b/src/framework/luascript/luaobject.cpp
@@ -7,10 +7,10 @@ LuaObject::LuaObject() : m_fieldsTableRef(-1)
 
 LuaObject::~LuaObject()
 {
-    luaReleaseFieldsTable();
+    releaseLuaFieldsTable();
 }
 
-void LuaObject::luaReleaseFieldsTable()
+void LuaObject::releaseLuaFieldsTable()
 {
     if(m_fieldsTableRef != -1)
         g_lua.unref(m_fieldsTableRef);
diff --git a/src/framework/luascript/luaobject.h b/src/framework/luascript/luaobject.h
index 31193928..27fe86f3 100644
--- a/src/framework/luascript/luaobject.h
+++ b/src/framework/luascript/luaobject.h
@@ -15,6 +15,8 @@ public:
     /// @return the number of results
     template<typename... T>
     int callLuaField(const std::string& field, const T&... args);
+    template<typename R, typename... T>
+    R callLuaField(const std::string& field, const T&... args);
 
     /// Sets a field in this lua object
     template<typename T>
@@ -25,7 +27,7 @@ public:
     T getLuaField(const std::string& key);
 
     /// Release fields table reference
-    void luaReleaseFieldsTable();
+    void releaseLuaFieldsTable();
 
     /// Sets a field from this lua object, the value must be on the stack
     void luaSetField(const std::string& key);
@@ -61,12 +63,28 @@ int LuaObject::callLuaField(const std::string& field, const T&... args) {
         g_lua.pushObject(asLuaObject());
         g_lua.getField(field);
 
-        // the first argument is always this object (self)
-        g_lua.insert(-2);
-        g_lua.polymorphicPush(args...);
-        return g_lua.protectedCall(1 + sizeof...(args));
+        if(!g_lua.isNil()) {
+            // the first argument is always this object (self)
+            g_lua.insert(-2);
+            g_lua.polymorphicPush(args...);
+            return g_lua.protectedCall(1 + sizeof...(args));
+        } else {
+            g_lua.pop(2);
+        }
+    }
+    return 0;
+}
+
+template<typename R, typename... T>
+R LuaObject::callLuaField(const std::string& field, const T&... args) {
+    R result;
+    int rets = callLuaField(field, args...);
+    if(rets > 0) {
+        assert(rets == 1);
+        result = g_lua.polymorphicPop<R>();
     } else
-        return 0;
+        result = R();
+    return result;
 }
 
 template<typename T>
@@ -81,4 +99,4 @@ T LuaObject::getLuaField(const std::string& key) {
     return g_lua.polymorphicPop<T>();
 }
 
-#endif
+#endif
\ No newline at end of file
diff --git a/src/framework/luascript/luavaluecasts.cpp b/src/framework/luascript/luavaluecasts.cpp
index 140db9ec..5606fad3 100644
--- a/src/framework/luascript/luavaluecasts.cpp
+++ b/src/framework/luascript/luavaluecasts.cpp
@@ -42,6 +42,20 @@ bool luavalue_cast(int index, double& d)
     return true;
 }
 
+// size_t
+void push_luavalue(std::size_t s)
+{
+    push_luavalue((double)s);
+}
+
+bool luavalue_cast(int index, std::size_t& s)
+{
+    double d;
+    bool ret = luavalue_cast(index, d);
+    s = d;
+    return ret;
+}
+
 // string
 void push_luavalue(const char* cstr)
 {
diff --git a/src/framework/luascript/luavaluecasts.h b/src/framework/luascript/luavaluecasts.h
index 0cbd06d0..f5cfd4d2 100644
--- a/src/framework/luascript/luavaluecasts.h
+++ b/src/framework/luascript/luavaluecasts.h
@@ -18,6 +18,10 @@ bool luavalue_cast(int index, int& i);
 void push_luavalue(double d);
 bool luavalue_cast(int index, double& d);
 
+// size_t
+void push_luavalue(std::size_t s);
+bool luavalue_cast(int index, std::size_t& s);
+
 // string
 void push_luavalue(const char* cstr);
 void push_luavalue(const std::string& str);
@@ -131,7 +135,7 @@ bool luavalue_cast(int index, std::function<void(Args...)>& func) {
                                        "did you forget to hold a reference for that function?", 0);
                 }
             } catch(std::exception& e) {
-                logError(e.what());
+                logError("lua function callback failed: ", e.what());
             }
         };
         return true;
@@ -165,7 +169,7 @@ luavalue_cast(int index, std::function<Ret(Args...)>& func) {
                                        "did you forget to hold a reference for that function?", 0);
                 }
             } catch(std::exception& e) {
-                logError(e.what());
+                logError("lua function callback failed: ", e.what());
             }
             return Ret();
         };
diff --git a/src/framework/net/protocol.cpp b/src/framework/net/protocol.cpp
index 5963aa2b..2e490b21 100644
--- a/src/framework/net/protocol.cpp
+++ b/src/framework/net/protocol.cpp
@@ -67,7 +67,7 @@ void Protocol::internalRecvData(uint8* buffer, uint16 size)
         uint32 checksum = getAdlerChecksum(m_inputMessage.getBuffer() + InputMessage::DATA_POS, m_inputMessage.getMessageSize() - InputMessage::CHECKSUM_LENGTH);
         if(m_inputMessage.getU32() != checksum) {
             // error
-            logError("ERROR: got a network message with invalid checksum");
+            logError("got a network message with invalid checksum");
             return;
         }
     }
@@ -93,7 +93,7 @@ bool Protocol::xteaDecrypt(InputMessage& inputMessage)
     // FIXME: this function has not been tested yet
     uint16 messageSize = inputMessage.getMessageSize() - InputMessage::CHECKSUM_LENGTH;
     if(messageSize % 8 != 0) {
-        logError("ERROR: invalid encrypted network message");
+        logError("invalid encrypted network message");
         return false;
     }
 
@@ -116,7 +116,7 @@ bool Protocol::xteaDecrypt(InputMessage& inputMessage)
 
     int tmp = inputMessage.getU16();
     if(tmp > inputMessage.getMessageSize() - 4) {
-        logDebug("ERROR: invalid decrypted a network message");
+        logError("invalid decrypted a network message");
         return false;
     }
 
diff --git a/src/framework/otml/otmldocument.h b/src/framework/otml/otmldocument.h
index bb0d3bff..5a74251e 100644
--- a/src/framework/otml/otmldocument.h
+++ b/src/framework/otml/otmldocument.h
@@ -6,7 +6,6 @@
 class OTMLDocument : public OTMLNode
 {
 public:
-    OTMLDocument() { }
     virtual ~OTMLDocument() { }
 
     /// Create a new OTML document for filling it with nodes
@@ -24,6 +23,9 @@ public:
 
     /// Save this document to a file
     bool save(const std::string& fileName);
+
+private:
+    OTMLDocument() { }
 };
 
 #endif
diff --git a/src/framework/platform/platformevent.h b/src/framework/platform/platformevent.h
index 3016bd5e..9ea83f34 100644
--- a/src/framework/platform/platformevent.h
+++ b/src/framework/platform/platformevent.h
@@ -161,7 +161,6 @@ enum PlatformEventType {
     EventMouseLeftButton         = 32,
     EventMouseRightButton        = 64,
     EventMouseMidButton          = 128,
-    EventTextEnter               = 256,
     EventKeyDown                 = EventKeyboardAction | EventDown,
     EventKeyUp                   = EventKeyboardAction | EventUp,
     EventMouseMove               = EventMouseAction | 512,
diff --git a/src/framework/platform/x11platform.cpp b/src/framework/platform/x11platform.cpp
index ff850932..c035f281 100644
--- a/src/framework/platform/x11platform.cpp
+++ b/src/framework/platform/x11platform.cpp
@@ -217,17 +217,17 @@ void Platform::init(PlatformListener* platformListener, const char *appName)
     // open display
     x11.display = XOpenDisplay(0);
     if(!x11.display)
-        logFatal("FATAL ERROR: Failed to open X display");
+        logFatal("Failed to open X display");
 
     // check if GLX is supported on this display
     if(!glXQueryExtension(x11.display, 0, 0))
-        logFatal("FATAL ERROR: GLX not supported");
+        logFatal("GLX not supported");
 
     // retrieve GLX version
     int glxMajor;
     int glxMinor;
     if(!glXQueryVersion(x11.display, &glxMajor, &glxMinor))
-        logFatal("FATAL ERROR: Unable to query GLX version");
+        logFatal("Unable to query GLX version");
     logInfo("GLX version ",glxMajor,".",glxMinor);
 
     // clipboard related atoms
@@ -313,6 +313,7 @@ void Platform::poll()
                 inputEvent.ctrl = (event.xkey.state & ControlMask);
                 inputEvent.shift = (event.xkey.state & ShiftMask);
                 inputEvent.alt = (event.xkey.state & Mod1Mask);
+                inputEvent.keychar = 0;
 
                 // fire enter text event
                 if(event.type == KeyPress && !inputEvent.ctrl && !inputEvent.alt) {
@@ -325,7 +326,7 @@ void Platform::poll()
                     }
 
                     if(len > 0 &&
-                       // for some reason these keys produces characters and we don't want that
+                       // these keys produces characters that we don't want to capture
                        keysym != XK_BackSpace &&
                        keysym != XK_Return &&
                        keysym != XK_Delete &&
@@ -333,10 +334,7 @@ void Platform::poll()
                        (uchar)(buf[0]) >= 32
                     ) {
                         //logDebug("char: ", buf[0], " code: ", (uint)buf[0]);
-                        inputEvent.type = EventTextEnter;
                         inputEvent.keychar = buf[0];
-                        inputEvent.keycode = KC_UNKNOWN;
-                        m_listener->onPlatformEvent(inputEvent);
                     }
                 }
 
@@ -344,13 +342,19 @@ void Platform::poll()
                 event.xkey.state &= ~(ShiftMask | LockMask);
                 len = XLookupString(&event.xkey, buf, sizeof(buf), &keysym, 0);
 
-                // fire key up/down event
-                if(x11.keyMap.find(keysym) != x11.keyMap.end()) {
-                    inputEvent.keycode = x11.keyMap[keysym];
-                    inputEvent.type = (event.type == KeyPress) ? EventKeyDown : EventKeyUp;
+                if(inputEvent.keychar == 0)
                     inputEvent.keychar = (len > 0) ? buf[0] : 0;
+
+                if(x11.keyMap.find(keysym) != x11.keyMap.end())
+                    inputEvent.keycode = x11.keyMap[keysym];
+                else
+                    inputEvent.keycode = KC_UNKNOWN;
+
+                inputEvent.keycode = x11.keyMap[keysym];
+                inputEvent.type = (event.type == KeyPress) ? EventKeyDown : EventKeyUp;
+
+                if(inputEvent.keycode != KC_UNKNOWN || inputEvent.keychar != 0)
                     m_listener->onPlatformEvent(inputEvent);
-                }
                 break;
             }
             case ButtonPress:
@@ -480,12 +484,12 @@ bool Platform::createWindow(int x, int y, int width, int height, int minWidth, i
     // choose OpenGL, RGBA, double buffered, visual
     x11.visual = glXChooseVisual(x11.display, DefaultScreen(x11.display), attrList);
     if(!x11.visual)
-        logFatal("FATAL ERROR: RGBA/Double buffered visual not supported");
+        logFatal("RGBA/Double buffered visual not supported");
 
     // create GLX context
     x11.glxContext = glXCreateContext(x11.display, x11.visual, 0, GL_TRUE);
     if(!x11.glxContext)
-        logFatal("FATAL ERROR: Unable to create GLX context");
+        logFatal("Unable to create GLX context");
 
     // color map
     x11.colormap  = XCreateColormap(x11.display,
@@ -518,7 +522,7 @@ bool Platform::createWindow(int x, int y, int width, int height, int minWidth, i
                              &wa);
 
     if(!x11.window)
-        logFatal("FATAL ERROR: Unable to create X window");
+        logFatal("Unable to create X window");
 
     //  create input context (to have better key input handling)
     if(XSupportsLocale()) {
@@ -530,11 +534,11 @@ bool Platform::createWindow(int x, int y, int width, int height, int minWidth, i
                                     XIMPreeditNothing | XIMStatusNothing,
                                     XNClientWindow, x11.window, NULL);
             if(!x11.xic)
-                logError("ERROR: Unable to create the input context");
+                logError("Unable to create the input context");
         } else
-            logError("ERROR: Failed to open an input method");
+            logError("Failed to open an input method");
     } else
-        logError("ERROR: X11 does not support the current locale");
+        logError("X11 does not support the current locale");
 
     if(!x11.xic)
         logWarning("Input of special keys maybe messed up because we couldn't create an input context");
@@ -823,6 +827,6 @@ std::string Platform::getAppUserDir()
     std::stringstream sdir;
     sdir << PHYSFS_getUserDir() << "." << x11.appName;
     if((mkdir(sdir.str().c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) != 0) && (errno != EEXIST))
-        logError("ERROR: Couldn't create directory for saving configuration file. (",sdir.str(),")");
+        logError("Couldn't create directory for saving configuration file. (",sdir.str(),")");
     return sdir.str();
 }
\ No newline at end of file
diff --git a/src/framework/ui/const.h b/src/framework/ui/const.h
index aec0cad6..d63e0382 100644
--- a/src/framework/ui/const.h
+++ b/src/framework/ui/const.h
@@ -9,7 +9,8 @@ enum UIWidgetType {
     UITypeButton,
     UITypeLineEdit,
     UITypeWindow,
-    UITypeList
+    UITypeList,
+    UITypeConsole
 };
 
 enum FocusReason {
diff --git a/src/framework/ui/declarations.h b/src/framework/ui/declarations.h
index d5339b44..18dfb745 100644
--- a/src/framework/ui/declarations.h
+++ b/src/framework/ui/declarations.h
@@ -13,6 +13,7 @@ class UILabel;
 class UIButton;
 class UILineEdit;
 class UIWindow;
+class UIConsole;
 
 typedef std::shared_ptr<UIWidget> UIWidgetPtr;
 typedef std::weak_ptr<UIWidget> UIWidgetWeakPtr;
@@ -25,5 +26,6 @@ typedef std::shared_ptr<UILabel> UILabelPtr;
 typedef std::shared_ptr<UIButton> UIButtonPtr;
 typedef std::shared_ptr<UILineEdit> UILineEditPtr;
 typedef std::shared_ptr<UIWindow> UIWindowPtr;
+typedef std::shared_ptr<UIConsole> UIConsolePtr;
 
 #endif
diff --git a/src/framework/ui/uianchorlayout.cpp b/src/framework/ui/uianchorlayout.cpp
index a3a439be..6bbc2776 100644
--- a/src/framework/ui/uianchorlayout.cpp
+++ b/src/framework/ui/uianchorlayout.cpp
@@ -8,23 +8,32 @@ bool UIAnchorLayout::addAnchor(const UIWidgetPtr& anchoredWidget, AnchorPoint an
 
     /*
     if(!anchorLineWidget) {
-        logError("ERROR: could not find the widget to anchor on, wrong id?");
+        logError("could not find the widget to anchor on, wrong id?");
         return false;
     }
     */
 
     // we can never anchor with itself
     if(anchoredWidget == anchorLineWidget) {
-        logError("ERROR: anchoring with itself is not possible");
+        logError("anchoring with itself is not possible");
         return false;
     }
 
     // we must never anchor to an anchor child
     if(anchoredWidget && hasWidgetInAnchorTree(anchorLineWidget, anchoredWidget)) {
-        logError("ERROR: anchors is miss configured, you must never make an anchor chains in loops");
+        logError("anchors is miss configured, you must never make an anchor chains in loops");
         return false;
     }
 
+    // avoid duplicated anchors
+    for(auto it = m_anchors.begin(); it != m_anchors.end(); ++it) {
+        const UIAnchor& otherAnchor = *it;
+        if(otherAnchor.getAnchoredWidget() == anchoredWidget && otherAnchor.getAnchoredEdge() == anchoredEdge) {
+            m_anchors.erase(it);
+            break;
+        }
+    }
+
     // setup the anchor
     m_anchors.push_back(anchor);
 
diff --git a/src/framework/ui/uibutton.cpp b/src/framework/ui/uibutton.cpp
index 314db6df..fcceafd5 100644
--- a/src/framework/ui/uibutton.cpp
+++ b/src/framework/ui/uibutton.cpp
@@ -3,6 +3,7 @@
 #include <framework/graphics/font.h>
 #include <framework/otml/otmlnode.h>
 #include <framework/luascript/luainterface.h>
+#include <framework/graphics/graphics.h>
 
 UIButton::UIButton(): UIWidget(UITypeButton)
 {
@@ -25,8 +26,8 @@ void UIButton::loadStyleFromOTML(const OTMLNodePtr& styleNode)
 
     for(int i=0; i<3; ++i) {
         m_statesStyle[i].image = m_image;
-        m_statesStyle[i].color = m_color;
-        m_statesStyle[i].fontColor = m_fontColor;
+        m_statesStyle[i].color = m_backgroundColor;
+        m_statesStyle[i].foregroundColor = m_foregroundColor;
         m_statesStyle[i].textTranslate = Point(0,0);
     }
 
@@ -40,8 +41,8 @@ void UIButton::loadStyleFromOTML(const OTMLNodePtr& styleNode)
     m_text = styleNode->valueAt("text", fw::empty_string);
 
     if(OTMLNodePtr node = styleNode->get("onClick")) {
-        g_lua.loadFunction(node->value<std::string>(), "@" + node->source() + "[" + node->tag() + "]");
-        luaSetField("onClick");
+        g_lua.loadFunction(node->value(), "@" + node->source() + "[" + node->tag() + "]");
+        luaSetField(node->tag());
     }
 }
 
@@ -52,20 +53,24 @@ void UIButton::loadStateStyle(ButtonStateStyle& stateStyle, const OTMLNodePtr& s
     if(OTMLNodePtr node = stateStyleNode->get("image"))
         stateStyle.image = Image::loadFromOTML(node);
     stateStyle.textTranslate = stateStyleNode->valueAt("text-translate", Point());
-    stateStyle.color = stateStyleNode->valueAt("font-color", m_fontColor);
-    stateStyle.color = stateStyleNode->valueAt("color", m_color);
+    stateStyle.color = stateStyleNode->valueAt("font-color", m_foregroundColor);
+    stateStyle.color = stateStyleNode->valueAt("color", m_backgroundColor);
 }
 
 void UIButton::render()
 {
+    UIWidget::render();
+
     const ButtonStateStyle& currentStyle = m_statesStyle[m_state];
     Rect textRect = getGeometry();
 
-    if(currentStyle.image)
+    if(currentStyle.image) {
+        g_graphics.bindColor(currentStyle.color);
         currentStyle.image->draw(textRect);
+    }
 
     textRect.translate(currentStyle.textTranslate);
-    getFont()->renderText(m_text, textRect, AlignCenter, currentStyle.fontColor);
+    m_font->renderText(m_text, textRect, AlignCenter, currentStyle.foregroundColor);
 }
 
 void UIButton::onHoverChange(UIHoverEvent& event)
diff --git a/src/framework/ui/uibutton.h b/src/framework/ui/uibutton.h
index 66572ed8..0639aea2 100644
--- a/src/framework/ui/uibutton.h
+++ b/src/framework/ui/uibutton.h
@@ -8,7 +8,7 @@ class UIButton : public UIWidget
     struct ButtonStateStyle {
         ImagePtr image;
         Point textTranslate;
-        Color fontColor;
+        Color foregroundColor;
         Color color;
     };
 
diff --git a/src/framework/ui/uilabel.cpp b/src/framework/ui/uilabel.cpp
index 8813e5fc..c7cd8c09 100644
--- a/src/framework/ui/uilabel.cpp
+++ b/src/framework/ui/uilabel.cpp
@@ -10,7 +10,6 @@ UILabel::UILabel() : UIWidget(UITypeLabel)
 UILabelPtr UILabel::create()
 {
     UILabelPtr label(new UILabel);
-    label->setStyle("Label");
     return label;
 }
 
@@ -23,17 +22,23 @@ void UILabel::loadStyleFromOTML(const OTMLNodePtr& styleNode)
     if(styleNode->hasChildAt("align"))
         m_align = fw::translateAlignment(styleNode->valueAt("align"));
 
-    // auto resize if no size supplied
-    if(!m_text.empty() && !getGeometry().isValid())
-        resizeToText();
+    // auto resize if needed
+    if(!m_text.empty() && !m_rect.isValid()) {
+        Size textSize = m_font->calculateTextRectSize(m_text);
+        if(m_rect.width() <= 0)
+            m_rect.setWidth(textSize.width());
+        if(m_rect.height() <= 0)
+            m_rect.setHeight(textSize.height());
+    }
 }
 
 void UILabel::render()
 {
-    m_font->renderText(m_text, m_rect, m_align, m_fontColor);
+    UIWidget::render();
+    m_font->renderText(m_text, m_rect, m_align, m_foregroundColor);
 }
 
 void UILabel::resizeToText()
 {
-    resize(getFont()->calculateTextRectSize(m_text));
+    resize(m_font->calculateTextRectSize(m_text));
 }
diff --git a/src/framework/ui/uilineedit.cpp b/src/framework/ui/uilineedit.cpp
index 45d9b501..ce21da8e 100644
--- a/src/framework/ui/uilineedit.cpp
+++ b/src/framework/ui/uilineedit.cpp
@@ -12,6 +12,8 @@ UILineEdit::UILineEdit() : UIWidget(UITypeLabel)
     m_textHorizontalMargin = 3;
     m_focusable = true;
     blinkCursor();
+
+    m_onAction = [this]() { this->callLuaField("onAction"); };
 }
 
 UILineEditPtr UILineEdit::create()
@@ -26,6 +28,11 @@ void UILineEdit::loadStyleFromOTML(const OTMLNodePtr& styleNode)
     UIWidget::loadStyleFromOTML(styleNode);
 
     setText(styleNode->valueAt("text", getText()));
+
+    if(OTMLNodePtr node = styleNode->get("onAction")) {
+        g_lua.loadFunction(node->value(), "@" + node->source() + "[" + node->tag() + "]");
+        luaSetField(node->tag());
+    }
 }
 
 void UILineEdit::render()
@@ -53,7 +60,7 @@ void UILineEdit::render()
                 cursorRect = Rect(m_drawArea.left()-1, m_drawArea.top(), 1, m_font->getGlyphHeight());
             else
                 cursorRect = Rect(m_glyphsCoords[m_cursorPos-1].right(), m_glyphsCoords[m_cursorPos-1].top(), 1, m_font->getGlyphHeight());
-            g_graphics.drawFilledRect(cursorRect, m_color);
+            g_graphics.drawFilledRect(cursorRect);
         } else if(ticks - m_cursorTicks >= 2*delay) {
             m_cursorTicks = ticks;
         }
@@ -255,7 +262,7 @@ void UILineEdit::setCursorPos(int pos)
     }
 }
 
-void UILineEdit::enableCursor(bool enable)
+void UILineEdit::setCursorEnabled(bool enable)
 {
     if(enable) {
         m_cursorPos = 0;
@@ -357,7 +364,10 @@ void UILineEdit::onKeyPress(UIKeyEvent& event)
         setCursorPos(0);
     else if(event.keyCode() == KC_END) // move cursor to last character
         setCursorPos(m_text.length());
-    else if(event.keyChar() != 0) {
+    else if(event.keyCode() == KC_RETURN) {
+        if(m_onAction)
+            m_onAction();
+    } else if(event.keyChar() != 0) {
         if(event.keyCode() != KC_TAB && event.keyCode() != KC_RETURN)
             appendCharacter(event.keyChar());
         else
diff --git a/src/framework/ui/uilineedit.h b/src/framework/ui/uilineedit.h
index 8718bdf3..4efa67e1 100644
--- a/src/framework/ui/uilineedit.h
+++ b/src/framework/ui/uilineedit.h
@@ -18,8 +18,9 @@ public:
     void setText(const std::string& text);
     void setAlign(AlignmentFlag align);
     void setCursorPos(int pos);
-    void enableCursor(bool enable = true);
+    void setCursorEnabled(bool enable = true);
 
+    void clearText() { setText(""); }
     void moveCursor(bool right);
     void appendCharacter(char c);
     void removeCharacter(bool right);
@@ -45,6 +46,7 @@ private:
     int m_startRenderPos;
     int m_cursorTicks;
     int m_textHorizontalMargin;
+    SimpleCallback m_onAction;
 
     std::vector<Rect> m_glyphsCoords;
     std::vector<Rect> m_glyphsTexCoords;
diff --git a/src/framework/ui/uimanager.cpp b/src/framework/ui/uimanager.cpp
index bc922689..c4dcacda 100644
--- a/src/framework/ui/uimanager.cpp
+++ b/src/framework/ui/uimanager.cpp
@@ -97,7 +97,7 @@ bool UIManager::importStyles(const std::string& file)
             importStyleFromOTML(styleNode);
         return true;
     } catch(std::exception& e) {
-        logError("ERROR: failed to import ui styles from '", file, "':\n", e.what());
+        logError("failed to import ui styles from '", file, "':\n", e.what());
         return false;
     }
 }
@@ -118,7 +118,7 @@ void UIManager::importStyleFromOTML(const OTMLNodePtr& styleNode)
 
     auto it = m_styles.find(name);
     if(it != m_styles.end())
-        logWarning("WARNING: style '", name, "' is being redefined");
+        logWarning("style '", name, "' is being redefined");
 
     OTMLNodePtr style = getStyle(base)->clone();
     style->merge(styleNode);
@@ -158,11 +158,9 @@ UIWidgetPtr UIManager::loadUI(const std::string& file)
             }
         }
 
-        // schedule onLoad events
-        widget->load();
         return widget;
     } catch(std::exception& e) {
-        logError("ERROR: failed to load ui from '", file, "':\n", e.what());
+        logError("failed to load ui from '", file, "':\n", e.what());
         return nullptr;
     }
 }
diff --git a/src/framework/ui/uiwidget.cpp b/src/framework/ui/uiwidget.cpp
index 26d248f6..eef070ee 100644
--- a/src/framework/ui/uiwidget.cpp
+++ b/src/framework/ui/uiwidget.cpp
@@ -21,8 +21,8 @@ UIWidget::UIWidget(UIWidgetType type)
     m_updateScheduled = false;
     m_opacity = 255;
     m_marginLeft = m_marginRight = m_marginTop = m_marginBottom = 0;
-    m_color = Color::white;
-    m_fontColor = Color::white;
+    m_backgroundColor = Color::white;
+    m_foregroundColor = Color::white;
 
     // generate an unique id, this is need because anchored layouts find widgets by id
     static unsigned long id = 1;
@@ -33,13 +33,12 @@ UIWidget::~UIWidget()
 {
     //logTraceDebug(m_id);
     if(!m_destroyed)
-        logWarning("WARNING: widget '", m_id, "' was destructed without being explicit destroyed");
+        logWarning("widget '", m_id, "' was destructed without being explicit destroyed");
 }
 
 UIWidgetPtr UIWidget::create()
 {
     UIWidgetPtr widget(new UIWidget);
-    //widget->setStyle("Widget");
     return widget;
 }
 
@@ -48,6 +47,8 @@ void UIWidget::destroy()
     //TODO: onDestroy event
     // destroy only once
     if(!m_destroyed) {
+        releaseLuaFieldsTable();
+
         // clear additional reference
         m_lockedWidgets.clear();
         m_focusedChild.reset();
@@ -68,7 +69,7 @@ void UIWidget::destroy()
         m_enabled = false;
         m_visible = false;
     } else
-        logWarning("WARNING: attempt to destroy widget '", m_id, "' again");
+        logWarning("attempt to destroy widget '", m_id, "' again");
 }
 
 void UIWidget::destroyCheck()
@@ -81,21 +82,7 @@ void UIWidget::destroyCheck()
 
     // check for leaks upon widget destruction
     if(realUseCount > 0)
-        logWarning("WARNING: destroyed widget with id '",m_id,"', but it still have ",realUseCount," references left");
-}
-
-void UIWidget::load()
-{
-    for(const UIWidgetPtr& child : m_children)
-        child->load();
-
-    // schedule onLoad
-    UIWidgetPtr self = asUIWidget();
-    g_dispatcher.addEvent([self]() {
-        // this widget could be destroyed before the event happens
-        if(!self->isDestroyed())
-            self->callLuaField("onLoad");
-    });
+        logWarning("destroyed widget with id '",m_id,"', but it still have ",realUseCount," references left");
 }
 
 void UIWidget::loadStyleFromOTML(const OTMLNodePtr& styleNode)
@@ -120,12 +107,12 @@ void UIWidget::loadStyleFromOTML(const OTMLNodePtr& styleNode)
             setFont(g_fonts.getFont(node->value()));
         }
         // font color
-        else if(node->tag() == "font-color") {
-            setFontColor(node->value<Color>());
+        else if(node->tag() == "color") {
+            setForegroundColor(node->value<Color>());
         }
         // color
-        else if(node->tag() == "color") {
-            setColor(node->value<Color>());
+        else if(node->tag() == "background-color") {
+            setBackgroundColor(node->value<Color>());
         }
         // opacity
         else if(node->tag() == "opacity") {
@@ -197,9 +184,6 @@ void UIWidget::loadStyleFromOTML(const OTMLNodePtr& styleNode)
             luaSetField("onLoad");
         }
     }
-
-    if(!m_font)
-        m_font = g_fonts.getDefaultFont();
 }
 
 void UIWidget::render()
@@ -215,9 +199,13 @@ void UIWidget::render()
             if(child->getOpacity() < oldOpacity)
                 g_graphics.setOpacity(child->getOpacity());
 
-            g_graphics.bindColor(child->getColor());
+            g_graphics.bindColor(child->getBackgroundColor());
             child->render();
 
+            // debug draw box
+            //g_graphics.bindColor(Color::green);
+            //g_graphics.drawBoundingRect(child->getGeometry());
+
             g_graphics.setOpacity(oldOpacity);
         }
     }
@@ -227,8 +215,10 @@ void UIWidget::updateGeometry()
 {
     assert(!m_destroyed);
 
-    if(UILayoutPtr layout = getLayout())
+    if(UILayoutPtr layout = getLayout()) {
         layout->updateWidget(asUIWidget());
+        layout->updateWidgetChildren(asUIWidget());
+    }
 }
 
 void UIWidget::setParent(const UIWidgetPtr& parent)
@@ -260,7 +250,7 @@ void UIWidget::setStyle(const std::string& styleName)
         // forces layout recalculation
         updateGeometry();
     } catch(std::exception& e) {
-        logError("ERROR: couldn't change widget '", m_id, "' style: ", e.what());
+        logError("couldn't change widget '", m_id, "' style: ", e.what());
     }
 }
 
@@ -287,15 +277,6 @@ void UIWidget::setGeometry(const Rect& rect)
     }
 }
 
-void UIWidget::lock()
-{
-    assert(!m_destroyed);
-
-    UIWidgetPtr parent = getParent();
-    if(parent)
-        parent->lockChild(asUIWidget());
-}
-
 bool UIWidget::isEnabled()
 {
     if(!m_enabled)
@@ -401,7 +382,7 @@ UIWidgetPtr UIWidget::getChildByPos(const Point& childPos)
 
     for(auto it = m_children.rbegin(); it != m_children.rend(); ++it) {
         const UIWidgetPtr& widget = (*it);
-        if(widget->getGeometry().contains(childPos))
+        if(widget->isVisible() && widget->getGeometry().contains(childPos))
             return widget;
     }
 
@@ -533,14 +514,40 @@ void UIWidget::addChild(const UIWidgetPtr& childToAdd)
     m_children.push_back(childToAdd);
     childToAdd->setParent(asUIWidget());
 
-    // updates child position
-    childToAdd->updateGeometry();
+    // updates geometry
+    updateGeometry();
 
     // focus it if there is no focused child yet
     if(!m_focusedChild && childToAdd->isFocusable())
         focusChild(childToAdd, ActiveFocusReason);
 }
 
+void UIWidget::insertChild(const UIWidgetPtr& childToInsert, int index)
+{
+    assert(!m_destroyed);
+
+    if(!childToInsert)
+        return;
+
+    assert(!hasChild(childToInsert));
+
+    if(index < 0)
+        index = m_children.size() + index -1;
+
+    assert((uint)index <= m_children.size());
+
+    auto it = m_children.begin() + index;
+    m_children.insert(it, childToInsert);
+    childToInsert->setParent(asUIWidget());
+
+    // updates geometry
+    updateGeometry();
+
+    // focus it if there is no focused child yet
+    if(!m_focusedChild && childToInsert->isFocusable())
+        focusChild(childToInsert, ActiveFocusReason);
+}
+
 void UIWidget::removeChild(const UIWidgetPtr& childToRemove)
 {
     assert(!m_destroyed);
@@ -612,6 +619,9 @@ void UIWidget::lockChild(const UIWidgetPtr& childToLock)
     }
 
     m_lockedWidgets.push_front(childToLock);
+
+    // move locked child to top
+    moveChildToTop(childToLock);
 }
 
 void UIWidget::unlockChild(const UIWidgetPtr& childToUnlock)
@@ -619,21 +629,21 @@ void UIWidget::unlockChild(const UIWidgetPtr& childToUnlock)
     assert(hasChild(childToUnlock));
 
     auto it = std::find(m_lockedWidgets.begin(), m_lockedWidgets.end(), childToUnlock);
-    if(it != m_lockedWidgets.end()) {
+    if(it != m_lockedWidgets.end())
         m_lockedWidgets.erase(it);
-        UIWidgetPtr newLockedWidget;
-        if(m_lockedWidgets.size() > 0)
-            newLockedWidget = m_lockedWidgets.front();
 
-        for(const UIWidgetPtr& child : m_children) {
-            if(newLockedWidget) {
-                if(child == newLockedWidget)
-                    child->setEnabled(true);
-                else
-                    child->setEnabled(false);
-            } else
+    UIWidgetPtr newLockedWidget;
+    if(m_lockedWidgets.size() > 0)
+        newLockedWidget = m_lockedWidgets.front();
+
+    for(const UIWidgetPtr& child : m_children) {
+        if(newLockedWidget) {
+            if(child == newLockedWidget)
                 child->setEnabled(true);
-        }
+            else
+                child->setEnabled(false);
+        } else
+            child->setEnabled(true);
     }
 }
 
diff --git a/src/framework/ui/uiwidget.h b/src/framework/ui/uiwidget.h
index 52558e9e..bce697a9 100644
--- a/src/framework/ui/uiwidget.h
+++ b/src/framework/ui/uiwidget.h
@@ -15,12 +15,12 @@ public:
 
     static UIWidgetPtr create();
 
+    /// Must be called just after the widget creation
+    virtual void setup() { }
+
     /// Remove this widget from parent then destroy it and its children
     virtual void destroy();
 
-    /// Called after the widget is loaded from OTML file, to execute onLoad event
-    virtual void load();
-
     /// Load style from otml node
     virtual void loadStyleFromOTML(const OTMLNodePtr& styleNode);
 
@@ -50,8 +50,8 @@ public:
     void setImage(const ImagePtr& image) { m_image = image; }
     virtual void setFont(const FontPtr& font) { m_font = font; }
     void setOpacity(int opacity) { m_opacity = opacity; }
-    void setColor(const Color& color) { m_color = color; }
-    void setFontColor(const Color& color) { m_fontColor = color; }
+    void setBackgroundColor(const Color& color) { m_backgroundColor = color; }
+    void setForegroundColor(const Color& color) { m_foregroundColor = color; }
     void setMarginLeft(int margin) { m_marginLeft = margin; updateGeometry(); }
     void setMarginRight(int margin) { m_marginRight = margin; updateGeometry(); }
     void setMarginTop(int margin) { m_marginTop = margin; updateGeometry(); }
@@ -61,7 +61,6 @@ public:
     void show() { setVisible(true); }
     void disable() { setEnabled(false); }
     void enable() { setEnabled(true); }
-    void lock();
 
     bool isEnabled();
     bool isExplicitlyEnabled() const { return m_enabled; }
@@ -88,8 +87,8 @@ public:
 
     ImagePtr getImage() const { return m_image; }
     FontPtr getFont() const { return m_font; }
-    Color getFontColor() const { return m_fontColor; }
-    Color getColor() const { return m_color; }
+    Color getForegroundColor() const { return m_foregroundColor; }
+    Color getBackgroundColor() const { return m_backgroundColor; }
     int getOpacity() const { return m_opacity; }
     int getMarginLeft() const { return m_marginLeft; }
     int getMarginRight() const { return m_marginRight; }
@@ -108,6 +107,7 @@ public:
     UIWidgetPtr backwardsGetWidgetById(const std::string& id);
 
     void addChild(const UIWidgetPtr& childToAdd);
+    void insertChild(const UIWidgetPtr& childToInsert, int index);
     void removeChild(const UIWidgetPtr& childToRemove);
     void focusChild(const UIWidgetPtr& childToFocus, FocusReason reason);
     void focusNextChild(FocusReason reason);
@@ -169,8 +169,8 @@ protected:
     ImagePtr m_image;
     FontPtr m_font;
     int m_opacity;
-    Color m_color;
-    Color m_fontColor;
+    Color m_backgroundColor;
+    Color m_foregroundColor;
     int m_marginLeft;
     int m_marginRight;
     int m_marginTop;
diff --git a/src/framework/ui/uiwindow.cpp b/src/framework/ui/uiwindow.cpp
index 7a25656c..3b18cd3c 100644
--- a/src/framework/ui/uiwindow.cpp
+++ b/src/framework/ui/uiwindow.cpp
@@ -55,7 +55,7 @@ void UIWindow::render()
             headTextRect.addLeft(-m_headMargin);
         else if(m_titleAlign & AlignRight)
             headTextRect.addRight(-m_headMargin);
-        m_font->renderText(m_title, headTextRect, m_titleAlign, m_fontColor);
+        m_font->renderText(m_title, headTextRect, m_titleAlign, m_foregroundColor);
     }
 
     // draw window body
diff --git a/src/framework/util/color.h b/src/framework/util/color.h
index 8c629bb7..93b1231a 100644
--- a/src/framework/util/color.h
+++ b/src/framework/util/color.h
@@ -2,7 +2,7 @@
 #define COLOR_H
 
 #include "types.h"
-#include <sstream>
+#include "tools.h"
 
 typedef uint32 RGBA;
 
@@ -69,10 +69,19 @@ inline std::istream& operator>>(std::istream& in, Color& color)
     using namespace std;
 
     if(in.get() == '#') {
-        uint32 tmp;
-        in >> hex >> tmp;
-        color.setABGR(tmp);
-        in >> dec;
+        std::string tmp;
+        in >> tmp;
+
+        if(tmp.length() == 6 || tmp.length() == 8) {
+            color.setRed((uint8)fw::hex2dec(tmp.substr(0, 2)));
+            color.setGreen((uint8)fw::hex2dec(tmp.substr(2, 2)));
+            color.setBlue((uint8)fw::hex2dec(tmp.substr(4, 2)));
+            if(tmp.length() == 8)
+                color.setAlpha((uint8)fw::hex2dec(tmp.substr(6, 2)));
+            else
+                color.setAlpha(255);
+        } else
+            in.seekg(-tmp.length()-1, ios_base::cur);
     }
     return in;
 }
diff --git a/src/framework/util/logger.cpp b/src/framework/util/logger.cpp
deleted file mode 100644
index 97683560..00000000
--- a/src/framework/util/logger.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "logger.h"
-
-#include <cstdlib>
-
-void Logger::log(LogLevel level, const std::string& message, std::string prettyFunction)
-{
-    if(!prettyFunction.empty()) {
-        prettyFunction = prettyFunction.substr(0, prettyFunction.find_first_of('('));
-        if(prettyFunction.find_last_of(' ') != std::string::npos)
-            prettyFunction = prettyFunction.substr(prettyFunction.find_last_of(' ') + 1);
-        if(!prettyFunction.empty())
-            std::cout << "[" << prettyFunction << "] ";
-    }
-
-    std::cout << message << std::endl;
-
-    if(level == LogFatal)
-        exit(-1);
-}
diff --git a/src/framework/util/logger.h b/src/framework/util/logger.h
deleted file mode 100644
index 46ff6528..00000000
--- a/src/framework/util/logger.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef LOGGER_H
-#define LOGGER_H
-
-#include "tools.h"
-
-//TODO: a real logger
-class Logger
-{
-public:
-    enum LogLevel {
-        LogDebug = 0,
-        LogInfo,
-        LogWarning,
-        LogError,
-        LogFatal
-    };
-    static void log(LogLevel level, const std::string& message, std::string prettyFunction = "");
-};
-
-// specialized logging
-#define logDebug(...) Logger::log(Logger::LogDebug, fw::mkstr(__VA_ARGS__))
-#define logInfo(...) Logger::log(Logger::LogInfo, fw::mkstr(__VA_ARGS__))
-#define logWarning(...) Logger::log(Logger::LogWarning, fw::mkstr(__VA_ARGS__))
-#define logError(...) Logger::log(Logger::LogError, fw::mkstr(__VA_ARGS__))
-#define logFatal(...) Logger::log(Logger::LogFatal, fw::mkstr(__VA_ARGS__))
-
-#define logTrace() Logger::log(Logger::LogDebug, "", __PRETTY_FUNCTION__)
-#define logTraceDebug(...) Logger::log(Logger::LogDebug, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
-#define logTraceInfo(...) Logger::log(Logger::LogInfo, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
-#define logTraceWarning(...) log(Logger::LogWarning, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
-#define logTraceError(...) Logger::log(Logger::LogError, fw::mkstr(__VA_ARGS__), __PRETTY_FUNCTION__)
-
-#endif
diff --git a/src/framework/util/tools.h b/src/framework/util/tools.h
index 7f083e18..a6dc5aa0 100644
--- a/src/framework/util/tools.h
+++ b/src/framework/util/tools.h
@@ -197,7 +197,7 @@ R unsafe_cast(const T& t, R def = R()) {
     try {
         return safe_cast<R,T>(t);
     } catch(bad_cast& e) {
-        println(e.what());
+        println("CAST ERROR: ", e.what());
         return def;
     }
 }
@@ -212,6 +212,21 @@ T fromstring(const std::string& str, T def = T()) {
     return unsafe_cast<T, std::string>(str, def);
 }
 
+inline std::string dec2hex(unsigned int num) {
+    std::string str;
+    std::ostringstream o;
+    o << std::hex << num;
+    str = o.str();
+    return str;
+}
+
+inline unsigned int hex2dec(const std::string& str) {
+    unsigned int num;
+    std::istringstream i(str);
+    i >> std::hex >> num;
+    return num;
+}
+
 // an empty string to use anywhere needed
 const static std::string empty_string;
 
diff --git a/src/otclient/core/creature.cpp b/src/otclient/core/creature.cpp
index bfe5f2e9..bb032485 100644
--- a/src/otclient/core/creature.cpp
+++ b/src/otclient/core/creature.cpp
@@ -60,8 +60,15 @@ void Creature::draw(int x, int y)
     }
 
     Rect healthRect = Rect(x - 14, y - 11, 27, 4);
-    g_graphics.drawBoundingRect(healthRect, Color::black);
-    g_graphics.drawFilledRect(healthRect.expanded(-1), healthColor);
+
+    g_graphics.bindColor(Color::black);
+    g_graphics.drawBoundingRect(healthRect);
+
+    g_graphics.bindColor(healthColor);
+    g_graphics.drawFilledRect(healthRect.expanded(-1));
+
+    // restore white color
+    g_graphics.bindColor(Color::white);
 }
 
 const ThingAttributes& Creature::getAttributes()
diff --git a/src/otclient/core/datmanager.cpp b/src/otclient/core/datmanager.cpp
index 188a4be6..0d7b8ebf 100644
--- a/src/otclient/core/datmanager.cpp
+++ b/src/otclient/core/datmanager.cpp
@@ -34,7 +34,7 @@ bool DatManager::load(const std::string& file)
 
         return true;
     } catch(std::exception& e) {
-        logError("ERROR: failed to load dat from '", file, "': ", e.what());
+        logError("failed to load dat from '", file, "': ", e.what());
         return false;
     }
 }
diff --git a/src/otclient/core/map.cpp b/src/otclient/core/map.cpp
index c305c7ea..2ca48be2 100644
--- a/src/otclient/core/map.cpp
+++ b/src/otclient/core/map.cpp
@@ -48,9 +48,12 @@ void Map::draw(int x, int y)
     }
 
     // debug draws
-    g_graphics.drawBoundingRect(Rect(7*32, 5*32, 32, 32), Color::red);
+    g_graphics.bindColor(Color::red);
+    g_graphics.drawBoundingRect(Rect(7*32, 5*32, 32, 32));
 
     m_framebuffer->unbind();
+
+    g_graphics.bindColor(Color::white);
     m_framebuffer->draw(Rect(x, y, g_graphics.getScreenSize()));
 }
 
diff --git a/src/otclient/core/spritemanager.cpp b/src/otclient/core/spritemanager.cpp
index a7b453db..16e1161a 100644
--- a/src/otclient/core/spritemanager.cpp
+++ b/src/otclient/core/spritemanager.cpp
@@ -10,16 +10,16 @@ SpriteManager::SpriteManager()
     m_signature = 0;
 }
 
-bool SpriteManager::load(const std::string &filename)
+bool SpriteManager::load(const std::string& file)
 {
     try {
-        g_resources.loadFile(filename, m_fin);
+        g_resources.loadFile(file, m_fin);
         m_signature = fw::getu32(m_fin);
         m_spritesCount = fw::getu16(m_fin);
         m_sprites.resize(m_spritesCount);
         return true;
     } catch(std::exception& e) {
-        logError(e.what());
+        logError("faile to load sprites from '", file, "': ", e.what());
         return false;
     }
 }
diff --git a/src/otclient/core/spritemanager.h b/src/otclient/core/spritemanager.h
index 2d487e13..c6d4575e 100644
--- a/src/otclient/core/spritemanager.h
+++ b/src/otclient/core/spritemanager.h
@@ -14,7 +14,7 @@ class SpriteManager
 public:
     SpriteManager();
 
-    bool load(const std::string& filename);
+    bool load(const std::string& file);
     void unload();
 
     uint32 getSignature() { return m_signature; }
diff --git a/src/otclient/otclient.cpp b/src/otclient/otclient.cpp
index 6cec5542..7f5c5d19 100644
--- a/src/otclient/otclient.cpp
+++ b/src/otclient/otclient.cpp
@@ -92,7 +92,7 @@ void OTClient::run()
     m_running = true;
 
     if(g_ui.getRootWidget()->getChildCount() == 0) {
-        logError("ERROR: there is no root widgets to display, the app will close");
+        logError("there is no root widgets to display, the app will close");
         m_stopping = true;
     }
 
@@ -251,7 +251,7 @@ void OTClient::saveConfigurations()
 
     // saves user configuration
     if(!g_configs.save())
-        logError("ERROR: configurations are lost because it couldn't be saved");
+        logError("configurations are lost because it couldn't be saved");
 }
 
 void OTClient::onClose()
@@ -270,28 +270,43 @@ void OTClient::onResize(const Size& size)
 
 void OTClient::onPlatformEvent(const PlatformEvent& event)
 {
-    g_ui.inputEvent(event);
+    bool fireUi = true;
 
     if(event.type == EventKeyDown) {
-        if(!event.ctrl) {
+        if(!event.ctrl && !event.alt && !event.shift) {
             if(event.keycode == KC_UP)
                 g_game.walk(DIRECTION_NORTH);
-            if(event.keycode == KC_RIGHT)
+            else if(event.keycode == KC_RIGHT)
                 g_game.walk(DIRECTION_EAST);
-            if(event.keycode == KC_DOWN)
+            else if(event.keycode == KC_DOWN)
                 g_game.walk(DIRECTION_SOUTH);
-            if(event.keycode == KC_LEFT)
+            else if(event.keycode == KC_LEFT)
                 g_game.walk(DIRECTION_WEST);
         }
-        else {
+        else if(event.ctrl && !event.alt && !event.shift) {
             if(event.keycode == KC_UP)
                 g_game.turn(DIRECTION_NORTH);
-            if(event.keycode == KC_RIGHT)
+            else if(event.keycode == KC_RIGHT)
                 g_game.turn(DIRECTION_EAST);
-            if(event.keycode == KC_DOWN)
+            else if(event.keycode == KC_DOWN)
                 g_game.turn(DIRECTION_SOUTH);
-            if(event.keycode == KC_LEFT)
+            else if(event.keycode == KC_LEFT)
                 g_game.turn(DIRECTION_WEST);
+            else if(event.keycode == KC_APOSTROPHE) {
+                // TODO: move these events to lua
+                UIWidgetPtr console = g_ui.getRootWidget()->getChildById("consolePanel");
+                if(!console->isVisible()) {
+                    g_ui.getRootWidget()->lockChild(console);
+                    console->setVisible(true);
+                } else {
+                    g_ui.getRootWidget()->unlockChild(console);
+                    console->setVisible(false);
+                }
+                fireUi = false;
+            }
         }
     }
+
+    if(fireUi)
+        g_ui.inputEvent(event);
 }
diff --git a/src/otclient/otclient.h b/src/otclient/otclient.h
index fb8d6fba..5a7a8fd2 100644
--- a/src/otclient/otclient.h
+++ b/src/otclient/otclient.h
@@ -1,6 +1,7 @@
 #ifndef OTCLIENT_H
 #define OTCLIENT_H
 
+#include <framework/ui/declarations.h>
 #include <framework/platform/platformlistener.h>
 
 class OTClient : public PlatformListener