Now it's possible to use Textfield.gadget from Amiga E :-)
I have converted the C-includes to Textfield.gadget to Amiga E modules.
Included is also a little example showing how easy it is.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  837    3748  22.3% -lh5- b9b2 Jul 27  1996 modules/gadgets/textfield.e
[generic]                  591    1530  38.6% -lh5- 0c59 Jul 27  1996 modules/gadgets/textfield.m
[generic]                   60      66  90.9% -lh5- 11c7 Jul 27  1996 modules/textfield.m
[generic]                 1407    2440  57.7% -lh5- 5017 Jul 27  1996 textfieldtest
[generic]                 1758    5431  32.4% -lh5- 35fd Jul 27  1996 textfieldtest.e
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         5 files    4653   13215  35.2%            Jul 29  1996