problem regarding Vertical scrollbars



Hello List,
 
I am using Gtk2.2 to develop a text editor. In my editor, I am using scrolled window and GtkTextView object is attached to scrolled window by following function
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),GTK_WIDGET(text));
scrolled windows has policies as GTK_POLICY_AUTOMATIC for horizontal scrollbars and GTK_POLICY_ALWAYS for vertical scrollbars.
 
when i load small files that have no of lines less than 30, everything works fine but when I load large files whose no of lines are greater than 30, vertical scrollbar does not work and I can only see the portion of file from line 1 to line 30. Whereas in this case also horizontal scrollbars work pretty fine. I am not able to figure out what is the problem.
 
Can anyone tell me what additional i should do in t his case so as to make vertical scrollbars work?
 
Waiting for response,
 
Regards,
Vikram


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