void gtk_text_view_get_iter_location ( GtkTextView* text_view, const GtkTextIter* iter, GdkRectangle* location )
Gets a rectangle which roughly contains the character at
The rectangle position is in buffer coordinates; use
gtk_text_view_buffer_to_window_coords() to convert these
coordinates to coordinates for one of the windows in the text view.
The data is owned by the caller of the method.
Bounds of the character at
The argument will be set by the function. The data is owned by the instance.