On Jan 29, 2008 5:35 AM, Bin Chen <[EMAIL PROTECTED]> wrote:
[...]
>
> I can't see any code to transfer modified "display" structure to the
> server, this API is invoked by a XIM server so obviously the register
> stuff need to be accessed by other process, is there any shared memory
> trick in libX11?
Yes, but this is not one of those tricks I would think.
When connecting to the X server, XOpenDisplay establishes
a connection and returns a locally allocated Display structure
to be used for all your api calls. All commands to the X server
are sent and queued so to speak on the display.
I dont know much about the guts of XIM but it looks like
_XRegisterFilterByType doesnt need to tell the server anything...
only needs to tell Xlib locally how to handle input when it comes
from the X server.
Cheers,
-Tristan
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