Hi,
Le 06/01/2014 17:26, Jordan H. a écrit :
> Attached is the Glade file. The GtkListStore ("liststore_button_list")
> is assigned the GtkTreeView ("treeview_button_order").
Looks like the attachment is missing.
> The GtkTreeView doesn't seem to reflect the changes made to the
> GtkListStore.
No idea if it could be this, but someone recently had a similar issue
because he's TreeView wasn't inside a ScrolledWindow, and GTK3 TreeView
has a resizing bug in this case (so the value where there but the view
was too small to show them). So, is your TreeView in a ScrolledWindow,
or does it help?
> I iterated through the GtkListStore itself and found that
> values were being added.
>
> if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(list_store), &iter)){
> gtk_tree_model_get(GTK_TREE_MODEL(list_store), &iter, 0,
> &test_value, -1);
> g_debug(" - Value: \"%s\"", test_value);
> }else{
> g_warning("GtkTreeModel contains no elements!");
> }
> while (gtk_tree_model_iter_next(GTK_TREE_MODEL(list_store), &iter)){
> memset(test_value, 0, sizeof(gchararray));
> gtk_tree_model_get(GTK_TREE_MODEL(list_store), &iter, 0,
> test_value, -1);
> g_debug(" - Value: \"%s\"", test_value);
Wow, I don't know what you are trying to do here with the memset() and
stuff. "gchararray" in this context actually means "a C string",
`gchar*`. Also, gtk_tree_model_get() *duplicates* the data, so you want
to free the memory afterwards.
gchar *str;
gtk_tree_model_get(model, &iter, 0, &str, -1);
// ...
g_free(str);
Not to duplicate code you also probably would rather implement iteration
like this:
if (gtk_tree_model_get_iter_first(...)) {
do {
...
} while (gtk_tree_model_iter_next(...));
}
> I'm wondering if the mutilated strings is what's causing my problem. I'm
> expecting the values to be "Button 1", "Button 2", etc., and the button
> labels reflect this change (as expected).
This may be a reason if the data is actually wrong (I mean, if it's not
your fetching when printing that is), because GtkCellRendererText
requires UTF-8-encoded text. But if this was the error, you'd see a lot
of warnings in the terminal.
I see 3 possibilities:
1) the tree model is not properly connected to the tree view;
2) you didn't add CellRenderers;
3) your tree view isn't packed in a ScrolledWindow and you experience
the above-mentioned bug.
Hope it helps. Regards,
Colomban
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