4gl-input array wrap

Hi, I need some help to solve 4gl input array problem. Version: c4gl 4.10 ud2. Purpose: In a input array screen to find out the position of the screen curson in a line so that when user hits control-A to append, the right side characters of the cursor will not disappear but wrapped to the next line (just lik a real wordprocessor). Of course I can not use Informix Wordwrap keyword because the input is so huge with more than screen lines. I am a relative expericed 4gl programmer and if there is a way or work-around please let me know. Thank you. jshu@phjw