[R-pkgs] RGtk2 2.20.x

From: Michael Lawrence <lawrence.michael_at_gene.com>
Date: Fri, 05 Nov 2010 15:23:38 -0700

This is to announce the release of the RGtk2 2.20.x series. RGtk2 is an interface between R and the GTK+ GUI toolkit and friends. The new release updates the bindings to support up to GTK+ 2.20 (and remains backwards compatible to 2.8). Previously, the interface supported only up to GTK+ 2.12, which is several years old.

New features in GTK 2.20 (relative to 2.12) include:

The bindings to Pango and Cairo were also updated to the latest stable versions.

RGtk2 also adds a new library to its interface: GIO (2.22), a low-level library supporting asynchronous streaming I/O, mounting of volumes, networking, etc. Might be useful.

There is also a new mode of error handling available, that is disabled by default. By setting the option "RGtk2::newErrorHandling" to TRUE, errors in the libraries will result in errors in R (instead of warnings), and the error object is no longer returned, which often simplifies return values by no longer requiring a list to hold both the error and the original return value. This is probably a more sensible strategy.

Windows users: The new binaries for Windows are being built against 2.20, so you'll need to get GTK+ 2.20 (or higher, 2.22 is released but does not really add any new features) for Windows at: http://gtk-win.sourceforge.net/home/index.php/en/Downloads.


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