scrollable::scroll_by operation#2436
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`scroll_by` allows scrolling an absolute offset that is applied to the current scrolling position.
hecrj
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scrollable::scroll_by operation
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This new operation scrolls an scrollable an absolute amount from their current position, in contrast to
scroll_tothat scrolls to an absolute position.I'm not entirely convinced my implementation is good, I just hacked away until it worked. Suggestions welcome.
My use case for this is that I want to scroll a scrollable with the keyboard, using custom keys, and by custom amounts of pixels. The content bounds are required in case the new AbsoluteOffset needs to be applied on top of a RelativeOffset.