added scrollbars.

desktop/resources/ui/ui.atlas

@@ -1,12 +1,20 @@
 
 ui.png
-size: 64,32
+size: 128,64
 format: RGBA8888
 filter: Nearest,Nearest
 repeat: none
+scroll-slider
+  rotate: false
+  xy: 2, 2
+  size: 20, 20
+  split: 8, 8, 8, 8
+  orig: 20, 20
+  offset: 0, 0
+  index: -1
 slider
   rotate: false
-  xy: 32, 10
+  xy: 98, 36
   size: 20, 20
   split: 8, 8, 8, 8
   orig: 20, 20
@@ -14,15 +22,22 @@ slider
   index: -1
 slider-bar
   rotate: false
-  xy: 2, 2
+  xy: 68, 28
   size: 28, 28
   orig: 28, 28
   offset: 0, 0
   index: -1
 slider-bar-hover
   rotate: false
-  xy: 2, 2
+  xy: 68, 28
   size: 28, 28
   orig: 28, 28
   offset: 0, 0
   index: -1
+ui
+  rotate: false
+  xy: 2, 24
+  size: 64, 32
+  orig: 64, 32
+  offset: 0, 0
+  index: -1