void gtk_entry_get_text_area ( GtkEntry* entry, GdkRectangle* text_area )
Gets the area where the entry’s text is drawn. This function is useful when drawing something to the entry in a draw callback.
If the entry is not realized,
text_area is filled with zeros.
See also gtk_entry_get_icon_area().
Available since: 3.0
Return location for the text area.
The argument will be set by the function. The returned data is owned by the instance.