Re: Questions about WindowMaker's Alpha and Shadow

[Austin Clow]

Suddenly I realize that WM here stands for Window Manager, not WindowMaker. 
Thus I can assume WindowMaker doesn’t implement it. 

I appreciate this help!


Sent from my iPhone

> On Aug 16, 2023, at 02:02, Fred Kiefer <fredkiefer@gmx.de> wrote:
> 
> Hi Austin,
> 
> what happens here is that we delegate this functionality to the window 
> manager. That may either implement it or not. The standard for this 
> interaction can be found here: 
> https://specifications.freedesktop.org/wm-spec/wm-spec-1.3.html
> If it does not work on your machine it might either be that you window 
> manager does not adhere to this standard or that the interpretation differs 
> from the one in GNUstep.
> 
> Hope this helps,
> Fred
> 
>> Am 16.08.2023 um 02:39 schrieb dr_clow@mac.com:
>> 
>> I have been following some of the code back form NSWindow to see what it 
>> ultimately calls. I see that setAlphaValue and setHasShadow: all call back 
>> to similar methods in x11/XGServerWindow.m . I noticed they were 
>> non-functional, but the methods there are not simply stubs, they have code 
>> in them. The setShadow refer to _NET_WM_WINDOW_SHADOW_ATOM , so I assume 
>> these were intended to work, but a shadow doesn't appear on the window.
>> 
>> I would love some more context if possible! Thanks!
>> 
>> - Austin
>