RE: [gtkmm] textbuffer's signal_erase

[joey yandle <joey divisionbyzero com>]

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I had similar issues with TreeView and drag'n'drop.  If I connected to the
signals, then by the time the signal fired things had already changed out 
from under me.  But if I subclassed and overrode the vfunc, things worked 
as expected.

So my suggestion would be to subclass TextBuffer.  This will be a little
weird, since it's a RefPtr/create style class; Murray, is this doable?

cheers,
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