On Fri, 15 Jan 2010 09:31:58 +1000
Peter Hutterer peter.hutte...@who-t.net wrote:
On Thu, Jan 14, 2010 at 11:20:16PM +0100, Antonio Ospite wrote:
Hi,
inspired by a previous discussion[1] I've written a dumb tool to control
cursors for multiple pointers with Xcursor and XInput2:
http://git.ao2.it/xicursorset.git/?a=blob;f=xicursorset.c;hb=HEAD
Now I have a question, would it be possible to change the whole cursor
theme for an arbitrary pointer in a multi-pointer setup?
last I checked, cursors are simply XIDs that are assigned to a device. all
the theme handling is done on the client side, isn't it?
That means it's WM (or toolkit, or application) responsibility to change
cursor shape to indicate some state change, right?
so you might have to shuffle around a bit switching cursor themes before
loading but there's no server-side support necessary for this. Of course,
you could extend the Xcursor spec and API to hold multiple cursor themes
simultaneously, which may be the right thing to do long-term.
I guess, so clients can know which theme is globally assigned to each
pointer. I was thinking naively to something like:
XcursorBool \
XIcursorSetTheme(Display *dpy, int deviceid, const char *theme);
char *XIcursorGetTheme(Display *dpy, int deviceid);
I don't know it that fits into XInput2 (like XIDefineCursor) or in
Xcursor itself, and anyways I need to learn a lot about X before making
any serious proposal.
Cheers,
Peter
Slightly OT: I've written a blog post to roughly summarize the
current state of multi-pointer support on a (GNOME) Desktop, it's more
targeted at users, but developers might take some hints too:
http://ao2.it/en/blog/2010/01/19/poor-mans-multi-touch-using-multiple-mice-xorg
Thanks,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
A: Top-posting.
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