Right, that's because of flat GValue arrays. On Fri, Aug 24, 2012 at 2:28 AM, Amy C <mathematical.cof...@gmail.com> wrote: > On 24 August 2012 16:12, Jasper St. Pierre <jstpie...@mecheye.net> wrote: >> I doubt gjs from GNOME 3.2 works properly with TreeModel and >> everything. I wrote a lot of code for GNOME 3.4 for gjs for it. >> > > Cheers. I found a way to make it not segfault, but if GNOME 3.2 + gjs > + TreeModel is sort of buggy I may just steer clear of it and find > another way to do what I want. > > For interest, this is how I got it "working" (it doesn't segfault and > displays the labels in the TreeView. Haven't tested editting, > removing, ...): > > I found out about GObject.type_from_name and > GObject.type_from_name('gchararray') returns 64. > > So I set the column type to 64, and using .set segfaults but using > .set_value doesn't: > > store.set(iter, [0], ['asdf']); // <-- segfaults > store.set_value(iter, 0, 'asdf'); // <-- doesn't segfault > > cheers. > >> On Fri, Aug 24, 2012 at 2:05 AM, Amy C <mathematical.cof...@gmail.com> wrote: >>> Hi all, >>> >>> I'm trying to append a value to my TreeView/ListStore, but keep >>> getting a segmentation fault. >>> >>> The segmentation fault occurs when I try to call ListStore.append(), >>> and using gdb the problem is: >>> >>> 0x445fc373 in g_type_check_is_value_type () from /lib/libgobject-2.0.so.0 >>> >>> This snippet is sufficient to reproduce the problem (run in >>> gjs-console on GNOME 3.2): >>> >>> const Gtk = imports.gi.Gtk; >>> >>> let store = new Gtk.ListStore(); >>> store.set_column_types([16]); // <-- looked up G_TYPE_STRING: cannot >>> find this anywhere (it is not exported in imports.gi.GObject on GNOME >>> 3.2) >>> >>> // try add the first row 'asdf' >>> let iter = store.append(); >>> store.set(iter, [0], ['asdf']); // <-- segfault here >>> >>> Now I suspect the problem is somehow to do with me specifying 16 as >>> the column type (I want G_TYPE_STRING), but according to the GObject >>> docs[0] G_TYPE_STRING is G_TYPE_MAKE_FUNDAMENTAL(16), and when I tried >>> >>> const GObject = imports.gi.GObject; >>> GObject.type_fundamental(16); // <-- gives 16 >>> GObject.type_check_type_is_value_type(16); // <-- gives TRUE >>> >>> If I instead try: >>> >>> store.set_value(iter, 0, 'asdf'); >>> >>> I get "Unable to convert from gchararray to guchar". >>> >>> Can anyone shed some light on this? >>> >>> [0]: >>> http://developer.gnome.org/gobject/stable/gobject-Type-Information.html#G-TYPE-STRING:CAPS >>> _______________________________________________ >>> gtk-list mailing list >>> gtk-list@gnome.org >>> https://mail.gnome.org/mailman/listinfo/gtk-list >> >> >> >> -- >> Jasper
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