Re: [Rd] x11 icon and class

From: Davor Cubranic <>
Date: Tue, 12 Jun 2012 13:50:34 -0700

On 2012-06-07, at 12:05 PM, Philip Johnson wrote:

> The X11 device driver does not provide the X window manager with an icon (_NET_WM_ICON) or, under some circumstances, with a class (WM_CLASS). This hinders usability under the new stable version of Ubuntu, which has a (new) user interface centered around icons.
> [...]
> 2) WM_CLASS (for reasons unclear to me, previously WM_CLASS was only set #ifndef USE_Xt)

A few comments in the bug database give a hint why this is conditional (

(1) "resources are only handled in the Xt case" (comment #1) (2) "Still no explanation as to why Xt is not used, and this should be conditional on that case." (comment #3)

Now that GUI libraries typically don't rely on Xt any more (e.g., Gtk), but WM_CLASS (and possibly other resources) are still used by window managers, it arguably makes sense for the X11 driver to always set this property.

Davor mailing list Received on Tue 12 Jun 2012 - 22:28:45 GMT

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