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Multi-Pointer X Support For GTK+

GNOME

Published on 20 January 2009 09:11 AM EST
Written by Michael Larabel in GNOME
2 Comments

Multi-Pointer X support won't be enabled by default in the forthcoming release of X Server 1.6 even though it landed in the mainline code-base last year. This technology to allow for multiple input devices to be used on Linux simultaneously will not be enabled by default until X Input 2.0 arrives with X Server 1.7 later this year. However, that isn't stopping GNOME developers from already working on GTK+ support for X Input 2.0 and Multi-Pointer X.

Carlos Garnacho has been working on adding X Input 2.0 support to the GDK by adding in a GtkDeviceGroup multidevice-event signal. The GtkDeviceGroup is a container for grouping GdkDevices, hence its name. There has also been a few API changes to GTK+ and other work to incorporate X Input 2.0 / MPX. There is also a fair amount of work left, which is detailed on the GTK+ MPX Wiki.

More information on the work done by Carlos can be found on his blog. There is a GTK+ MPX Git repository for those interested in trying out a version of GTK+ with multiple pointers before it enters the mainline GTK+ code-base.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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