Retrieves the #GdkWindow corresponding to an area of the text view;
possible windows include the overall widget window, child windows
on the left, right, top, bottom, and the window that displays the
text buffer. Windows are %NULL and nonexistent if their width or
height is 0, and are nonexistent before the widget has been
realized.
Retrieves the #GdkWindow corresponding to an area of the text view; possible windows include the overall widget window, child windows on the left, right, top, bottom, and the window that displays the text buffer. Windows are %NULL and nonexistent if their width or height is 0, and are nonexistent before the widget has been realized.