Spinbox changes

modules/client_skins/skins/default/styles/spinboxes.otui

@@ -1,14 +1,6 @@
-SpinBox < UISpinBox
-  font: verdana-11px-antialised
-  color: #aaaaaa
+SpinBox < TextEdit
+  __class: UISpinBox
   size: 86 20
-  text-offset: 0 3
-  text-margin: 3
-  image-source: /images/textedit.png
-  image-border: 1
-
-  $disabled:
-    color: #aaaaaa88
 
   Button
     id: up

modules/corelib/ui/uispinbox.lua

@@ -93,6 +93,16 @@ function UISpinBox:setValue(value)
     self:setText(value)
   end
   self.value = value
+
+  local upButton = self:getChildById('up')
+  local downButton = self:getChildById('down')
+  if upButton then
+    upButton:setEnabled(self.maximum ~= self.minimum and self.value ~= self.maximum)
+  end
+  if downButton then
+    downButton:setEnabled(self.maximum ~= self.minimum and self.value ~= self.minimum)
+  end
+
   signalcall(self.onValueChange, self, value)
 end