standard, there are two types of InputField, one for key fields and one for text
fields. For key fields, SAP GUI chooses the font that you select in I18N
options, e.g. Courier new.
text fields it chooses an appropriate proportional font, e.g. Arial. With SAP GUI
7.20, the proportional font can be set explicitly.
input fields use the fixed font for InputFields. As of GuiXT version 2010 Q3 3
there is an option "-proportionalfont" in the InputField statement
that you can activate for input.