Window.grab: def of Base
Import: import Base
Lines 497-501 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=497&end_line=501

import Base

# While grabbed, the cursor is hidden and held, and the mouse's motion
# comes as Look deltas instead of Move; losing focus releases it.
def Window.grab(window: Window, on: Bool) -> IO(Window):
  import "./effs/window.c"
  import "./effs/window_grab.js"

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Window