fix disabled state in uicheckbox

modules/core_styles/styles/buttons.otui

@@ -4,6 +4,7 @@ Button < UIButton
   color: #f0ad4dff
   size: 106 24
   text-translate: 0 0
+
   border-image:
     source: /core_styles/images/button.png
     border: 5
@@ -20,7 +21,7 @@ Button < UIButton
       border: 5
 
   $disabled:
-    color: #999999
+    color: #f0ad4d88
     background-color: #ffffff88
 
 TopButton < UIButton

modules/core_styles/styles/checkboxes.otui

@@ -3,6 +3,8 @@ CheckBox < UICheckBox
   box-size: 12 12
   text-offset: 16 -1
   color: #aaaaaa
+  enabled: false
+  background-color: #ffffff88
 
   $hover:
     color: #cccccc
@@ -25,4 +27,8 @@ CheckBox < UICheckBox
   $hover checked:
     image:
       source: /core_styles/images/checkbox.png
-      coords: 0 36 12 12
+      coords: 0 36 12 12
+
+  $disabled
+    background-color: #ffffff88
+    color: #aaaaaa88

src/framework/ui/uiwidget.cpp

@@ -81,8 +81,8 @@ void UIWidget::destroy()
         if(parent->hasChild(asUIWidget()))
             parent->removeChild(asUIWidget());
     }
-    setVisible(false);
+    //setVisible(false);
-    setEnabled(false);
+    //setEnabled(false);
 }
 
 void UIWidget::render()
@@ -139,12 +139,14 @@ void UIWidget::setStyle(const std::string& styleName)
     OTMLNodePtr styleNode = g_ui.getStyle(styleName);
     applyStyle(styleNode);
     m_style = styleNode;
+    updateStyle();
 }
 
 void UIWidget::setStyleFromNode(const OTMLNodePtr& styleNode)
 {
     applyStyle(styleNode);
     m_style = styleNode;
+    updateStyle();
 }
 
 void UIWidget::setParent(const UIWidgetPtr& parent)
@@ -751,8 +753,9 @@ void UIWidget::updateStyle()
             }
 
             // merge states styles
-            if(match)
+            if(match) {
                 newStateStyle->merge(style);
+            }
         }
     }