Re: [dev] [PATCH][dwm] new alpha patch for 56a31dc

From: Eon S. Jeon <>
Date: Fri, 23 Dec 2016 16:52:24 +0900

On 12/19/2016 9:04 PM, wrote:
> Hi Eon,
> Thanks for this code is working perfectly. I know that this is a little
> old thread but, I wanted to know if you made this patch work with
> systray, I tried but I couldn't find the reason, if I activate systray
> and this patch dwm doesn't start. I really appreciate if you could help
> me, I'm supposing that the problem is on updatebars(), I think that
> systray needs something on this method to work properly and I don't have
> the necessary knowledge to fix.
> Best regards and thanks for your really great work.

Hi, Joel

I checked your email last night and spent some time on the problem.

The source of problem was, indeed, "visual". The systray window was
using the default visual, which doesn't support alpha values. All I had
to do was to create `systray->win` with proper visual and attributes,
and now it works like charm.

I've also noticed that tray icons were using default visuals, and I
wanted to let them use ARGB visual. I remembered seeing an atom called
_NET_SYSTEM_TRAY_VISUAL, which allows tray icons to use the visual of
its parent(systray). I tried using it, but the result was not quite what
I expected[1]. (Notice the bright background of the heart icon.)

I'll post my work through another email.


Received on Fri Dec 23 2016 - 08:52:24 CET

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