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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