Re: About "white flashes" when a new frame is created

[Ernest Adrogué]

2017-01-28, 14:36 (+0000); Andrea Cardaci escriu:
> Hi,
> 
> this isn't a bug report, I don't even know if this is an issue with Emacs
> itself, but since it does not happen with other applications I decided to
> ask here for some pointers about it. I was hoping that the patch by Daniel
> Colascione [1] would addressed this issue too.
> 
> So here's the fact, when a new frame is created (whether it's a new Emacs
> instance, C-x 5 2 or emacsclient) I notice that the window is initially
> created white then painted according to the theme. Since my desktop setup
> is mostly white this is quite annoying.
> 
> Please note that it's not a matter with Xresources as I managed to match
> the X resources entities with the values from my Emacs theme (background,
> no menu, no scrollbars, etc.) so to minimize any transitions. Here is what
> I mean:
> 
> emacs.menuBar: off
> emacs.toolBar: off
> emacs.verticalScrollBars: off
> emacs.background: #000000
> 
> Now, it is entirely possible that this is an issue with the window manager
> (i3), but as I said this only happens with Emacs. In particular it doesn't
> happen with rxvt, which has a black background too.
> 
> So I was wondering if someone else is experiencing this. Please let me know
> if you need more details about my environment. I'm using Emacs straight
> from the master branch (03de82fe7ca09ab40fbcae394d4fcdfe3374496e), but the
> same happens with version 24 from the Debian Jessie repo.

No white flash, but I do see a black flash for a couple of milliseconds.
All GTK3 programs do it though, so it's not an Emacs issue.

Cheers.