Guys (David, Thomas, Jacques), thank you very much for the responses. I'll read the Contributor's Guide and see if I can have more specific questions in the future. And Jacques, no worries! Your example was still useful to me as it helped me to realise some things ;)
Cheers, Leszek. On 22 November 2015 at 18:41, David Kastrup <d...@gnu.org> wrote: > Leszek Wroński <elw...@gmail.com> writes: > > > I was delighted to learn that Lilypond allows one to use custodes. I was > > wondering how they really work, namely, how one can, upon a linebreak, > > check what the next pitch is. I have limited Scheme experience. > > > source code, and after grepping found two files of interest: custos.cc > > and custos-engraver.cc . In the latter I found an expression headed by > > > > "void > > Custos_engraver::acknowledge_note_head (Grob_info info)" > > > > (line 83). Could anyone tell me if I'm on the right track? > > Sort of. That's where the Custos_engraver sees graphical objects that > have been declared to have a note-head-interface pass into the current > score. > > > My problem is that, while I'm willing to learn, I have a very limited > > experience with C++ and with any object programming whatsoever (having > > spent much time decades ago with Turbo Pascal 5 :-)). > > Well, imagine how frustrating it would be if you were a gee-whiz > C++ programmer and still couldn't tell the stuff LilyPond does from > Turbo Pascal 5. C++ knowledge actually does not buy you all that much > for reading the source code. > > > I'd be very grateful for any pointers regarding what happens during a > > linebreak (and, in general, how one should learn such things). > > I'd take a look at the Contributor's Guide first: there are a few > sketches of code workings in it. There is a file ROADMAP in the > repository that points out what kind of code is grouped into which > directories. > > Other than that, it's mostly reading code and asking back on the list. > > -- > David Kastrup >
_______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
