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bug#16621: 24.3.50; Periodic timer + overlays = flickering near point
From: |
Eli Zaretskii |
Subject: |
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point |
Date: |
Tue, 04 Feb 2014 18:00:36 +0200 |
> Date: Tue, 04 Feb 2014 08:17:38 +0200
> From: Dmitry Gutov <dgutov@yandex.ru>
> CC: 16621@debbugs.gnu.org, monnier@IRO.UMontreal.CA
>
> > You mean, outside Emacs? Yes, probably, but then this isn't an Emacs
> > issue, and I know absolutely nothing about it.
>
> Would a windowing system know which Emacs display states are
> "consistent", and which aren't?
If hints are needed, we could do that.
> AFAIU, flickering happens when the screen refreshes while Emacs display
> is in an inconsistent state. Like, you've cleared a rectangle to paint a
> character in it, but haven't yet painted it
>
> If you copied the rendered state into a buffer, then cleared and painted
> the character there, then rendered the buffer into the window as a
> whole, the windowing system won't get a chance to see and display the
> intermediate state.
Avoiding the cursor redraws sounds much easier, but again, I'm not an
expert on this. Perhaps Jan could comment.
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, (continued)
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/02
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Stefan Monnier, 2014/02/02
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/03
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Stefan Monnier, 2014/02/03
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/03
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Stefan Monnier, 2014/02/03
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/03
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Dmitry Gutov, 2014/02/03
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/03
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Dmitry Gutov, 2014/02/04
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point,
Eli Zaretskii <=
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Jan D., 2014/02/04
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/04
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Jan Djärv, 2014/02/05
- bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/05
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Stefan Monnier, 2014/02/05
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/05
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Stefan Monnier, 2014/02/05
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/05
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Stefan Monnier, 2014/02/05
bug#16621: 24.3.50; Periodic timer + overlays = flickering near point, Eli Zaretskii, 2014/02/06