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Scroll panel: adapt to content size shrinking (#37163)

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fix
This commit is contained in:
Shane Smiskol
2026-02-11 01:23:00 -08:00
committed by GitHub
parent 8ba36b76a0
commit 1e0f1a8abc
1 changed files with 8 additions and 2 deletions
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8
system/ui/lib/scroll_panel2.py
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@@ -73,8 +73,14 @@ class GuiScrollPanel2:
def _update_state(self, bounds_size: float, content_size: float) -> None:
"""Runs per render frame, independent of mouse events. Updates auto-scrolling state and velocity."""
if self._state == ScrollState.AUTO_SCROLL:
max_offset, min_offset = self._get_offset_bounds(bounds_size, content_size)
if self._state == ScrollState.STEADY:
# if we find ourselves out of bounds, scroll back in (from external layout dimension changes, etc.)
if self.get_offset() > max_offset or self.get_offset() < min_offset:
self._state = ScrollState.AUTO_SCROLL
elif self._state == ScrollState.AUTO_SCROLL:
# simple exponential return if out of bounds
out_of_bounds = self.get_offset() > max_offset or self.get_offset() < min_offset
if out_of_bounds and self._handle_out_of_bounds: