gtk-entry-layout-index-to-text-index (entry index)

entry -- a gtk-entry widget
index -- an integer with the byte index into the entry layout text

Byte index into the entry contents.

Converts from a position in the entry contents, returned by the gtk-entry-text function, to a position in the Pango layout of the entry, returned by the gtk-entry-layout function, with text retrieved via the pango-layout-text function.