Re: Transparent Window Background Not Working

You can try Fvwm-Nightshade (http://fvwm-nightshade.github.io). It has 
compositor support for xcompmgr and compton.


Regards,
Thomas
Am 1. November 2018 22:23:09 schrieb "Jesús J. Guerrero Botella" 
<[email protected]>:
> Kwin and xfwm are compositors. Fvwm is not, so to use the compositing 
> extension in fvwm you will need xcompmgr or some other standalone compositor.
>
> El jue., 1 nov. 2018 15:21, <[email protected]> escribió:
> I have tried lots of stuff, too much to list at this time,
> but the following test program has a transparent background
> in XFCE and KDE. (On Slackware 14.2 64-Bit, NVidia Video Card
> and Driver).
>
> https://stackoverflow.com/questions/39906128/how-to-create-semi-transparent-white-window-in-xlib
>
> It does not work in FVWM, TWM, FluxBox, BlackBox nor WindowMaker.
>
> In FVWM, transset does not work. (Works in KDE and XFCE).
>
> The XComposite extension is in place.
>
> The Visual (as far as I can tell) is 32-Bit True Color.
>
> I cannot seem to get a transparent window, no matter what.
>
>
> I also tried it on an Ubuntu system as well. Same problem.
>
>
> Basically I just need a transparent terminal for text overlay.
>
>
> I am sending this to the Workers mailing list as if there is
> something I can contribute to fix this, I would like to try.
>
>
> I am running: fvwm 2.6.8-4-g4e759d6 compiled on Oct 31 2018 at 08:54:15
>
> I tried adding this to fvwm/fvwm.c:
>
> 2281             XMatchVisualInfo(dpy, DefaultScreen(dpy), 32, TrueColor, 
> &template);
>
> 2291             XMatchVisualInfo(dpy, DefaultScreen(dpy), 32, TrueColor, 
> &template);
>
> No luck.
>
> If a window shows up as transparent in XFCE, why would that
> same application not be that way in FVWM?