Fix scrollbar rendering artifact in pre-Mojave renderer #857
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Fix scrollbars not rendering properly when using delayed calls to
placeScrollBars
. That has issues since pre-Mojave renderer blocks the window from changing size by using[NSAnimationContext beginGrouping]
. That causes the bug as placeScrollbars would be using state from previous sizes.We could fix this by waiting for the animation to end before called finishPlaceScrollbars but it's more complicated and leads to more state tracking. Instead, just call placeScrollbars when we resize immediately (just like before) instead of deferring. We still defer placing scrollbars for things like creating/deleting scrollbars as we could be doing that a lot of times per frame (e.g. calling
:only
with a lot of splits).This bug was introduced in #827.
Fix #848