I’m happy to announce the first experimental version of Metacity with support for CSS window borders (“Cowbell”). This work was largely supported by Collabora Ltd.
- download the tarball;
- read the documentation (it’s not as boring as you might imagine);
- review the source history.
This diagram should explain everything, perhaps.
I would especially like to hear from:
- theme artists, to let me know whether it’s adequately powerful;
- anyone else interested in hacking on this with me;
- the GTK client-side decoration people, so that we can harmonise the way we represent things;
- people who know a lot about CSS and can offer insights into the suitability of the way we represent things;
- people who know a lot about the Dublin Core and can offer insights into whether our metadata system uses it appropriately;
- maintainers of other window managers (especially Mutter), so we can talk about including CSS support in other window managers;
- everyone else, to suggest which of the directions for future development are most interesting.
I think it may perhaps be helpful to set up a Cowbell mailing list, so that we can compare notes on implementations. For example, I haven’t written down anywhere how to place an image to the right of the title, which is commonly needed (you use border-image).
Photo © Craft*ology, cc-by-nc.
4 thoughts on “CSS on window borders experimental layout language”
Great to hear about it! I hope Mutter will include support for CSS, it would make creating themes much easier.
cowbell is already used as the name of a gnme mp3 tag editor
http://more-cowbell.org/index.php/Main_Page although sadly it seems pretty dead
Looks like this might become a huge improvement over current Metacity theming. Even better if it becomes cross-WM.
Do you (intend to) support multiple background images and border-images?
What about gradients, ideally with alpha/masking and layering?