[LyX/master] Defer construction of temporary cursor.

[Scott Kostyshak]

On Tue, Apr 16, 2024 at 11:02:03PM GMT, Jean-Marc Lasgouttes wrote:
> Le 16/04/2024 à 22:27, Scott Kostyshak a écrit :
> > On Tue, Apr 16, 2024 at 04:18:33PM GMT, Richard Kimberly Heck wrote:
> > > commit 4e8aa89eb96cd73e6630deea6fd6b9d3039aab6c
> > > Author: Richard Kimberly Heck <rikiheck at lyx.org>
> > > Date:   Tue Apr 16 12:15:50 2024 -0400
> > > 
> > >      Defer construction of temporary cursor.
> > >      We were doing this on every mouse movement. I.e., for every single
> > >      pixel the mouse traverses. It can be expensive if there are a lot
> > >      of math insets.
> > 
> > Nice! I'm curious, how did you come across this? Were you profiling or
> > just happened to be looking at that code?
> 
> Look here: https://www.lyx.org/trac/ticket/13050

Ah thanks for the reference!

Scott
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