When we add features to the theme format, they must be added all in one go for reasons which were explained earlier. We are currently on version 2 of the theme format. In case there is ever a version 3, here are some of our design goals. Not all of these may necessarily be met [...]
At the Collabora party, Robert Ancell asked me how difficult it would be to implement window matching in Metacity. I decided this was an interesting question and spent an hour and a half today working on it. The results are now in the matching branch in GNOME git. If you’d like to download it and [...]
Davyd Madeley made an interesting suggestion for redesigning the theme format. Assuming, as seems likely, we end up using Clutter, there’s no need to specify the structure of a window, which would need SVG. After all, all windows have a basically similar structure. Instead, we could style any item on the window usinga CSS file, [...]
March 18, 2009 – 12:00 am
GNOME bug 107012 brings up the perennial question of SVG support in themes, otherwise known as Vectacity. We’ve already covered this in a few places, but I think it may be worth mentioning here the two main reasons SVG-based themes is a good thing (there may be any number of other reasons they’re a bad [...]
March 11, 2009 – 12:00 am
At present all lines are drawn at the same thickness. However, some people such as partially-sighted users require particularly thick lines . GNOME bug 86040 suggests that the line format be extended to give the width as a fraction of the current icon height. Since this is a change to the format, it must appear [...]
Metacity has a policy about enhancements which require changes to the theme format. Metacity has to be both backwards and forward compatible. In other words, it’s not enough that a later version of Metacity can run with themes intended for an earlier version. Earlier versions must also be able to run with themes intended for [...]
GNOME bug 549389, which has a couple of duplicates, says that if a window is owned by an app which is running as a user other than the user who’s running Metacity, then it should have “(as fred)” on the titlebars, just as it would have “(on chiark)” or whatever if you were running the [...]
February 28, 2009 – 7:16 pm
I didn’t expect to get useful suggestions from the Linux Haters’ blogs, but here’s something that might fly: they point out that warnings from the window manager end up in .xsession-errors where nobody ever sees them. But now that we’re using Zenity for dialogues throughout, there’s no reason why we can’t adapt meta_warning() to put up [...]
February 20, 2009 – 9:31 pm
It has been pointed out that session management in Metacity is currently a bit broken. Firstly, it leaves a lot of useless files around. I assume that the only session file which is really necessary is the most recent one. Secondly, I recently found and fixed a bug where Metacity actually crashed when attempting to [...]
February 9, 2009 – 4:21 pm
At present the system menu, which you see when you right-click anywhere on the titlebar, left-click the menu button, or right-click an entry on the pager, is hard-coded separately into Metacity and libwnck, and required to be the same in both places. I’ve been considering the idea of making it a property on the root [...]
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