Bug: some ScrollBar colourIds never actually used in lookandfeel_v4

[modosc]

also found a duplicate of this issue here:

setColour not working on Viewport Sliders

Since the default vertical slider comes up as almost black on black and almost invisible, I’m trying to set the colours to match the other sliders in use. I have tried: ScrollBar *sb = TrackView.getVerticalScrollBar(); if(sb == 0){ AlertWindow::showMessageBox ( AlertWindow::InfoIcon, "Alert", "Scroll Bar Null" ); } sb->setColour (Slider::backgroundColourId, Colours::white); sb->setColour (Slider::thumbColourId, Colour (0xff171741)); sb->setColour (Slider::trackColourId, Colours::…