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notebook: Warn if builder file defines multiple tab widgets per page

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Glade causes such files when a notebook page has no content. And it's
especially bad because the last tab widget wins, so the label displayed
in Glade will not be what you see when you run the app.
This commit is contained in:
Benjamin Otte 2011-04-28 00:51:37 +02:00
parent f6fc816497
commit 7a322193e8
1 changed files with 3 additions and 0 deletions
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3
gtk/gtknotebook.c
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@ -1228,6 +1228,9 @@ gtk_notebook_buildable_add_child (GtkBuildable *buildable,
/* To set the tab label widget, we must have already a child
* inside the tab container. */
g_assert (page != NULL);
/* warn when Glade tries to overwrite label */
if (gtk_notebook_get_tab_label (notebook, page))
g_warning ("Overriding tab label for notebook");
gtk_notebook_set_tab_label (notebook, page, GTK_WIDGET (child));
}
else if (type && strcmp (type, "action-start") == 0)