GNU bug report logs - #16621
24.3.50; Periodic timer + overlays = flickering near point

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: jan.h.d <at> swipnet.se, 16621 <at> debbugs.gnu.org, dgutov <at> yandex.ru
Subject: bug#16621: 24.3.50; Periodic timer + overlays = flickering near point
Date: Wed, 05 Feb 2014 13:57:43 -0500

> I thought I explained a few messages back what "flag" is that: the
> moment we redisplay the echo area, we are forced to call update_frame,
> for the selected frame, which will redraw the cursors of that frame's
> windows (and also its fringes, btw).

We can probably refine update_frame then, so it only redraws the windows
that have changed, which can be recognized thanks to a flag such as
`redisplay' or a new flag if that one can't be used (under ttys, the
redraw is really frame-wide so that wouldn't apply, but for GUIs that
should not be a problem).


        Stefan

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