I ran across this in the settings recently, haven't had to use this, but I
think you can do so under Window Management/Window Rules there.  Size and
Position has fullscreen capabilities if it can detect your particular
window.  This is plasma 5.8.

I don't get this often outside of games luckily enough to pester me, but it
usually only happens once.  Old dark days of catalyst binaries, it would
break my multi-display desktop in odd ways, but these days not so much of
an issue.

-mb

On Wed, Dec 21, 2016 at 10:05 AM, der.hans <PLUGd@lufthans.com> wrote:

> Am 20. Dec, 2016 schwätzte Brian Cluff so:
>
> moin moin,
>
> that worked for the site that was annoying me yesterday. I would still
> like to have a way to tell KDE to never allow fullscreen when opening a
> new window.
>
> "Open new windows in a new tab instead" is checked in Firefox, but this
> link gets a new window anyway :(. Having that option work properly would
> have also fixed the current annoyance.
>
> ciao,
>
> der.hans
>
> Have you tried playing with some custom window settings for those
>> particular apps?  You should be able to force whatever window settings you
>> want on them and get them to do exactly what you would like automatically
>> in the future.
>> If you can't find it, I can show you where the settings are at Stammtisch
>> tonight.
>>
>> Brian Cluff
>>
>> On 12/20/2016 12:30 PM, der.hans wrote:
>>
>>> moin moin,
>>>
>>> I have a couple work apps ( some web, some standalone ) that insist on
>>> opening full screen. Is there a way to disable that in KDE?
>>>
>>> The only reason a normal app should go fullscreen is if I intentionally
>>> change it to fullscreen. Autofullscreen is really annoying and
>>> distracting.
>>>
>>> I currently don't care about other desktop environments. In fact, moving
>>> to KDE is how I permanently disabled fullscreen in Unity :).
>>>
>>> ciao,
>>>
>>> der.hans
>>>
>>
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> --
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> # how many times i said to myself "i can do that?" -- BoBB
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