Re: g_object_set and threads

["abel schie" <abelschie hotmail com>]

> abel schie wrote:
> > I've made a gtktreeviewcolumn with a custom GtkTreeCellDataFunc,
> > called cell_func(). This custom function uses the underlying
> > GtkListStore to render the cells: it uses gtk_tree_model_get() to
> > fetch some values, and then g_object_set(renderer,...) to update the
> > cell renderer.
> >
> > Now, there are some time out functions running, which update the
> > GtkListStore. These functions are all surrounded by
> > gdk_threads_enter() and gdk_threads_leave(). However, the treeview
> > isn't refreshed automatically. Only when I hover it with the mouse it
> > gets really updated. Everytime these timeouts are running, cell_func()
> > is actually called.
> >
> > My question is: how can I force g_object_set() to instantly redraw the
> > cell renderer? My first thought was: use gdk_threads_enter() and
> > gdk_threads_leave() also within cell_func(). But when I do that, I get
> > a lock while constructing the treeview, therefore the app
> > hangs. Putting the routine creating the treeview in a separate thread
> > as well didn't result in anything good.
> >
> > Any ideas?
>
> My guess would be gtk_tree_model_row_changed().

But how could I do that? Within a GtkTreeCellDataFunc it's not
possible to find out to which row that cell belongs I think.

Is there a way to force the redraw of the cell renderer?