Urs Liska <u...@openlilylib.org> writes: > Am 13.03.2017 um 13:07 schrieb David Kastrup: >> Urs Liska <u...@openlilylib.org> writes: >> >>> when writing a callback function to override a stencil, how can I attach >>> the original point-and-click link to the resulting graphics? >> Isn't it attached automatically? I don't think the usual stencil >> callbacks bother with point-and-click info themselves. > > It seems not, they are not clickable. > I'm calling the function with \override Tie.stencil = #arced-curve-stencil > > which is defined as > > #(define (arced-curve-stencil grob) > ... > > and returns the result of a (ly:stencil-translate (ly:make-stencil call.
The point-and-click area is rectangular and taken from the stencil's position and dimensions, so there is suspicion that they aren't what you want them to be. >>> Is that even possible, as I'm not actually dealing with the grob >>> anymore (isn't it)? >>> >>> I know how to get the location from inside the ties and slurs I'm >>> dealing with, but I don't know how I can get this information back >>> into the resulting element in the PDF. >> With stencils, you should not need to do anything. When calling >> ly:engraver-make-grob yourself, be sure to specify a good cause. Then >> the originating event's point-and-click info will be automatically >> attached. > > As usual the information about ly:engraver-make-grob on the > Scheme-functions page doesn't help me very much. All I would be able to > figure out is the cause, but what kind of "engraver instance" should I > be referring to here? The one passed to the engraver callback? -- David Kastrup _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
