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Re: New sheet implementation possibilities

From: John Darrington
Subject: Re: New sheet implementation possibilities
Date: Mon, 4 Jan 2016 09:25:54 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Sun, Jan 03, 2016 at 04:01:29PM -0800, Ben Pfaff wrote:
     On Sun, Jan 03, 2016 at 09:14:16PM +0100, John Darrington wrote:
     > Based on recent conversations, I am of the opinion that the listbox 
     > (which I linked to earlier) is likely to be better in the long term than 
     > anything based on GtkTreeView
     > Accordingly I have hacked up a demo based on that code.  This shows how a
     > sheet can be created with an arbitrary number of rows and columns and in
     > constant time and space.
     > If you are interested, check it out at
     > The nice thing is, that it is O(1) in the number of rows and columns 
(assuming that 
     > the total rows/columns exceed the number of visible rows/columns).
     It sounds very nice.
     It seems that it requires a newer version of GObject (2.44+) than I have
     on my system (2.42), based on its use of GListModel
     G_DECLARE_FINAL_TYPE, so I can't easily compile it.  I guess if we're
     going to require a new Glib, then I'll have to upgrade to Debian
     "testing" or "unstable".  I'm willing to do that; I hope that it's not a
     big deal for our users.

Like you say, it needs a recent version of Glib.  If and when this becomes ready
for serious use in pspp, I think it likely that debian will have made a new 

In the meantime, what I did is to locally install Glib2.47 (you must also 
install libffi-3.2.1).


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