There's some information here:

http://wiki.inkscape.org/wiki/index.php/Using_libsigc%2B%2B_signals

2016-06-24 4:01 GMT-07:00 Tavmjong Bah <tavmjong@...8...>:

Hi,

I have to admit that I have little real understanding of signals in Inkscape...

How does one trigger a re-cascading of styling and a redraw when ever the content of the style element (XML Repr) is changed? I see that there is a:

SignalObserver::notifyContentChanged()

function but I am clueless as how to use it.

Thanks,

Tav

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