protected void updateSlider() {
int max = 0;
if (sliderActive) {
slider.show();
max =
slotCount / columns
- rows
+ 1; // the assumption here is that for an active slider this always is >0
} else {
slider.hide();
}
slider.setPosition(guiLeft + xSize - slider.width, guiTop);
slider.setSize(ySize);
slider.setSliderParameters(0, max, 1);
}
