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Re: Scrollbar thumbs

From: Jason Rumney
Subject: Re: Scrollbar thumbs
Date: Mon, 02 Nov 2009 15:41:43 +0800
User-agent: Thunderbird (Windows/20090812)

Stefan Monnier wrote:
Is it only GTK which is brain-damaged in this area?  Do other toolkits
do the same thing?

Yes, IIUC w32 does the same (and Xaw3d as well, tho to a lesser extent).

Since 23.1, Emacs on w32 allows the scroll thumb to shrink while being dragged at the bottom of the buffer. Previous versions fixed the size of the thumb while dragging, which I think is the brain damage which GTK forces on you that Miles is refering to, as you are unable to reach the bottom of the buffer by dragging the scrollbar in some circumstances because of assumptions Emacs makes to relate characters to pages of scrolling without wasting time doing a full calculation over the buffer.

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