Re: [AD] Alt-Tab on Linux Fullscreen

[<trent@xxxxxxxxxx>]

Yes, I was looking at SDL code and that's what it does. Allegro isn't
designed to do it but it could be refactored.

-----Original Message-----
From: Thomas Fjellstrom [mailto:tfjellstrom@xxxxxxxxxx] 
Sent: August 13, 2014 2:52 AM
To: Allegro Development
Subject: Re: [AD] Alt-Tab on Linux Fullscreen

On Wed 13 Aug 2014 02:30:01 AM trent@xxxxxxxxxx wrote:
> I sat down a couple hours ago to try and fix the problem, and I didn't 
> have to do much.
> 
> First I reinstalled Ubuntu, because I had been messing around and 
> completely messed up, then restored Unity. So to make sure I had a 
> standard setup I reinstalled.
> 
> Then I noticed my game had some code for fullscreen window mode that 
> was trying to get the monitor resolution, and I printed that out and 
> it was -5x0 (I think al_get_monitor_info was failing due to wrong 
> adapter or
> something.)
> 
> After fixing that code, fullscreen window mode works perfectly now. So 
> for my game, that's what I'm going to go with (and I'll probably do 
> the same on Mac if It works there as well.) So I don't need any help after
all.
> 
> But for the sake of making Allegro better, it would still be nice to 
> get real fullscreen mode working better, including alt-tab. If I have 
> some time in the near future I'll look into it some more. I'm not 
> going to apply my patch unless/until it is completely working.

I'm not sure how well that'll go. Real fullscreen mode assumes xf86vm or
xrandr, and alt-tabing back out assumes you want the mode to be set back to
what it was... And that can be a major mess. Sometimes though I think the WM
may enforce the mode reset. I can't remember for sure. Real mode sets and fs
on X is a horrible mess.

> Thanks!
> 
> -----Original Message-----
> From: Beoran [mailto:beoran@xxxxxxxxxx]
> Sent: August 13, 2014 1:58 AM
> To: Allegro Development
> Subject: Re: [AD] Alt-Tab on Linux Fullscreen
> 
> Dear Trent,
> 
> I'm normally a Linux user, except for porting to Windows, so I'm 
> willing to look into this. I do have a few real life things to do 
> right now, so it will a while before I can begin looking into this more.
> 
> Window managers on Linux (and X) are a mixed bag and many of them 
> don't implement the window manager standards correctly. But I agree 
> that ideally alt-tab should work at least for full screen windows if 
> the window manager supports alt-tab. We'll probably have to compare 
> with SDL and maybe other full screen applications.
> 
> Kind Regards,
> 
> B.
> 
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--
Thomas Fjellstrom
tfjellstrom@xxxxxxxxxx

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