It looks like for searchbox it'd happen here:
https://github.com/mixxxdj/mixxx/blob/master/src/widget/wsearchlineedit.cpp
and library tree:
https://github.com/mixxxdj/mixxx/blob/master/src/widget/wlibrarysidebar.cpp
Or their respective header files. I'm not a C guy. :)
It looks like for searchbox it'd happen here:
https:/ /github. com/mixxxdj/ mixxx/blob/ master/ src/widget/ wsearchlineedit .cpp
and library tree:
https:/ /github. com/mixxxdj/ mixxx/blob/ master/ src/widget/ wlibrarysidebar .cpp
Or their respective header files. I'm not a C guy. :)