Re: [dev] [dwm] adding WM_WINDOW_ROLE rule

From: Anselm R Garbe <>
Date: Mon, 26 Jul 2010 23:09:22 +0100

Hi David,

On 26 July 2010 22:32, David DEMELIER <> wrote:
> There is something that make me sad with dwm, there is a lack of role
> rules for clients. I explain : clients have instance and name using
> WM_CLASS, but there is also WM_WINDOW_ROLE which is really important
> and useful.
> Example : you want your firefox window tiled but not the download
> manager or not the preference client you could make a rule that catch
> -> xprop WM_WINDOW_ROLE on the firefox windows and sub-windows
> --> xprop WM_WINDOW_ROLE
> --> WM_WINDOW_ROLE(STRING) = "Preferences" # this is preferences
> --> xprop WM_WINDOW_ROLE
> --> WM_WINDOW_ROLE(STRING) = "browser" # the main window
> --> xprop WM_WINDOW_ROLE
> --> WM_WINDOW_ROLE(STRING) = "Manager" # the download window
> Why is this so important? Because you can make more rules to specifig
> windows, I personally like to have the main browser window tiled but
> not the download window. This is also the same thing with pidgin,
> pidgin has a conversation window and a buddy list that have differents
> Of coure we could use the `title' rules but it's different on each
> locale you are using so it sucks as well.
> I would like to write a patch but for the moment I don't find the good
> function that handle WM_WINDOW_ROLE.

I think the right thing to do would be to extend Rule and applyrules()
with support for WM_WINDOW_ROLE. However I doubt that many client make
actually use of WM_WINDOW_ROLE in a consistent way, which is why I
believe there is no great benefit in doing so -- or in other words,
yet another proof how hideous X has become ;)

Received on Tue Jul 27 2010 - 00:09:22 CEST

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