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Re: Native scrollbars? [was: visible-bell patch for Mac OS X]

From: David De La Harpe Golden
Subject: Re: Native scrollbars? [was: visible-bell patch for Mac OS X]
Date: Sat, 13 Feb 2010 06:45:33 +0000
User-agent: Mozilla-Thunderbird (X11/20091109)

David De La Harpe Golden wrote:

So I think the gtk+/emacs bug may show up (I don't actually see it on my system, but my gtk+ might be too old)

Okay, I haven't replicated the full scrollbar-trashing thing the gtk+ guys mention, (possibly emacs nowadays avoids drawing over the scrollbar area in question so it's not a problem?), but I think I now see the issue that Yamamoto Mitsuharu was probably actually talking about -

when visible-bell flashes the first line of the window, part of the scrollbar is also inverse-video-d unless I use

Contrast top right and bottom right in the two attached screenshots -
note how part of the scrollbar is inverted in the _nonative one
(the default, without gtk instructed to use "native" windows).*

It's quite a minor and transient effect (on my system anyway). Still, I guess the flash inversion area in xterm.c/XTflash() is winding up a bit off somehow - the intent of the code does seem to be that scrollbars should be excluded from the area, but maybe it's only working for some cases.

(* the color difference in the visible bell effect in the main and minibuffer window in each screenshot is not significant, just due to my use of global-hl-line-mode)

PNG image

PNG image

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