Re: GtkTextView problem

[Havoc Pennington <hp redhat com>]

"Janus N." Tøndering <j nus person dk> writes:
> I have a GtkTextView widget in a GtkScrolledWindow. I have a signal
> handler for "value-changed" for the gtk_scrolled_window_get_vadjustment
> of the GtkScrolledWindow where I color text if it is currently visible.
>
> if I have some colored text at the top-most visible line of the
> GtkTextView and I place my cursor at the bottom-line and pressed enter
> the application halts execution with the following msg:
>
> Gtk-ERROR **: file gtktextview.c: line 3040
> (gtk_text_view_flush_first_validate): assertion failed:
> (text_view->onscreen_validated)
> aborting...
> Aborted

GtkTextView doesn't like the buffer being changed at that particular
point in time, the code isn't properly reentrant. Probably a bug in
GTK, you might file a report at http://bugzilla.gnome.org.

A possible workaround would be to do your colorizing in an idle
handler.

Havoc