Merge pull request #2742 from pythonarcade/gui/fix-scoll-bar

Gui/fix scoll bar

Author: eruvanos

CHANGELOG.md

@@ -3,6 +3,12 @@
 You can grab pre-release versions from PyPi. See the available versions from the
 Arcade [PyPi Release History](https://pypi.org/project/arcade/#history) page.
 
+## Unreleased
+
+- GUI
+ - Fix UIScrollBar creation
+
+
 ## 3.3.1
 
 - Fixed an issue causing NinePatch to not render correctly

arcade/gui/experimental/scroll_area.py

@@ -48,8 +48,7 @@ def __init__(self, scroll_area: UIScrollArea, vertical: bool = True):
  bind(self, "_dragging", self.trigger_render)
  bind(scroll_area, "scroll_x", self.trigger_full_render)
  bind(scroll_area, "scroll_y", self.trigger_full_render)
- bind(scroll_area, "content_height", self.trigger_full_render)
- bind(scroll_area, "content_width", self.trigger_full_render)
+ bind(scroll_area, "rect", self.trigger_full_render)
 
  def on_event(self, event: UIEvent) -> bool | None:
  # check if we are scrollable