Hi Ted and others,
I am currently in the process of writing a user space utility to deal with
the Native Instruments Komplete Kontrol A25 MIDI controller to make it more
usable on Linux (well, in Rosegarden anyway, that being my go-to music
authoring software). (Long story short: I basically read
It is simply not implemented. Implementing would be super easy.
Just follow the pattern in RosegardenMainWindow::slotToggleMute().
We'll try to get this in after 23.06 ships. Unless you want to give it
a shot. Feel free to open a feature request as that will help us track it.
Ted.
On