check for the widget being realized, in addition to being visible, to
2005-10-22 Michael Natterer <mitch@imendio.com> * gtk/gtktreeview.c (gtk_tree_view_scroll_to_cell): check for the widget being realized, in addition to being visible, to avoid running into precondition check in gtk_tree_view_get_cell_area(). (approved by Kris).
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