disclaimer : I'm using GTK in Python with Pygtk. I've sent this email to pygtk mailing list but I believe it could be of interest in a broader GTK audience.
Hello,
I'm currently working closely with gtk.TreeModelFilter and I'm currently stuck.
I've discovered that in order to have a row visible, that row has to return True against the visible_func but, also, that *all his parents have to be visible*.
This is rather important and not written in any GTK documentation I've seen (maybe I should send a patch against pygtk doc for that).
As I consequence, I'm currently looking for a way to display children that have an hidden parent. That children would be displayed at the root.
For example :
a
--> b
------->c
---------->d
(d is child of c which is child of b which is child of b)
if b is not visible, my tree would display :
a
c
-->d
(currently, it only display "a").
How can I do that with my treemodelfilter ? It seems for me a rather important usecase for a treemodelfilter but I cannot find any documentation or code sample on the web about a way of doing that.
Thanks in advance for help or any useful input on this.
Lionel
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