Theme patriation
- From: Thomas Thurman <tthurman gnome org>
- To: gtk-devel-list gnome org
- Subject: Theme patriation
- Date: Sun, 26 Oct 2008 18:38:01 -0400
Several people have raised the idea recently that the responsibility for
drawing window borders might better lie with the application than the
window manager. The idea goes something like this:
1. The window border theme parsing and displaying code should live in a
library. (It already does, but its ABI is allegedly private, though in
practice Compiz binds against it anyway. For this we will need to make
it public.)
2. When an app creates a GtkWindow, GTK will draw the borders as
appropriate by calling this library.
3. Metacity will set a property on the root window with a name such as
_METACITY_DECORATION_DELEGATION to signal its willingness to delegate
decoration. GTK will also set a property on each window it decorates,
with a name such as _GTK_DECORATED, so that Metacity will not attempt to
decorate it for the second time.
This would mean that the themes could interact better with the contents
of the window. For example, it would become easy to add a button like
the oval button on an OS X window which hides the toolbar. It would
also make it much easier to allow per-app themes, as is often requested
for the GIMP.
Possibly the library could be clever enough to understand more than one
theme format. Eventually it would probably be best to split it away
from Metacity entirely.
Do you think this is a good plan?
Thomas
--
Thomas Thurman, tthurman at gnome, http://blogs.gnome.org/tthurman
Surely you're joking. You'd have to blast them aside.
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