TreeSelection 'extended' mode

Hi all,

I'm not sure if this is a bug or just me getting concepts mixed up, but I can't see any difference between 'multiple' and 'extended' modes for a TreeSelection.

Looking back at my old perl/Tk code it seems the difference there is that 'extended' not only allows multiple selections like 'multiple', but also adds mouse-drag selection so that I could say select items 1 through 10 by click-holding on 1 and dragging the mouse down to 10 (assuming row-reordering is off of course). Well, at least I think that's the difference there - it's been so long since I've actually had to think about it - 'extended' is just my internal default now :)

I'd like to be able to do that in Gtk2 as well since it's a lot easier than clicking 10 times (and possibly manually scrolling as well), but I'm not sure how as 'extended' mode doesn't do that.

Any ideas?


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