Sourcebrowser looks neat, it allows seeing the source from the documentation
and provides some references/refered by
# Note: To get rid of all source code in the generated output, make sure also
# VERBATIM_HEADERS is set to NO.
-SOURCE_BROWSER = NO
+SOURCE_BROWSER = YES
# Setting the INLINE_SOURCES tag to YES will include the body
# of functions and classes directly in the documentation.
# of all compounds will be generated. Enable this if the project
# contains a lot of classes, structs, unions or interfaces.
-ALPHABETICAL_INDEX = NO
+ALPHABETICAL_INDEX = YES
# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns