function calcluateEqualizerCursorRect(focusPosition, boarderLeft, boarderRight, boarderTop, boarderBottom, widgetWidth, widgetHeight, numberOfSliders)

    visibleWidth = widgetWidth - (boarderLeft+boarderRight)
    visibleHeight = widgetHeight - (boarderTop+boarderBottom)
    cursorWidth = visibleWidth / numberOfSliders;
    cursorPositionX = boarderLeft + focusPosition * cursorWidth;
    
    return {x=cursorPositionX, y=0.0, z=boarderBottom }, {x=cursorWidth, y=0.0, z=visibleHeight }
end

function calculateSliderIndexByTouchFunc(touchPosX, touchPosY, boarderLeft, boarderRight, boarderTop, boarderBottom, widgetWidth, widgetHeight, numberOfSliders)

    visibleWidth = widgetWidth - (boarderLeft+boarderRight)
    visibleHeight = widgetHeight - (boarderTop+boarderBottom)
    cursorWidth = visibleWidth / numberOfSliders;
	local posX = ((touchPosX + 1.0)/2.0) * widgetWidth
	local posY = ((touchPosY + 1.0)/2.0) * widgetHeight
    
	local sliderIndex = -1
	if boarderBottom < posY and posY < widgetHeight + boarderTop then -- if the position is inside hight of slide
		for var=0,numberOfSliders-1 do
			cursorPositionX = boarderLeft + var * cursorWidth + cursorWidth;
			if posX < cursorPositionX then
				sliderIndex = var
				break
			end
		end
	end
    
    return sliderIndex
end

function calculateSliderCurrentValueByTouchFunc(touchPosX, touchPosY, widgetWidth, widgetHeight, numberOfSliders, sliderWidth, sliderHeight, gapWidth, gapLeft, gapBottom, minValue, maxValue)

	local posX = ((touchPosX + 1.0)/2.0) * widgetWidth
	local posY = ((touchPosY + 1.0)/2.0) * widgetHeight
	local newSliderValue = 0
	local hasTouched = false
	local sliderIndex = 0
	if sliderHeight == 0 then
		return hasTouched, newSliderValue, sliderIndex
	end
	if  gapBottom  < posY and posY < gapBottom + sliderHeight  then -- if the position is inside hight of slide
		for sliderNr=1,numberOfSliders do
			local sliderOffsetPos = (sliderNr-1) * (gapWidth + sliderWidth) + gapLeft
			if sliderOffsetPos < posX and posX < sliderOffsetPos + sliderWidth then
				newSliderValue = minValue + ((posY - gapBottom)/ sliderHeight) * (maxValue - minValue)
				hasTouched = true
				sliderIndex = sliderNr - 1
				break
			end
		end
	end
	
	if newSliderValue < minValue then
        newSliderValue = minValue
    elseif newSliderValue > maxValue then
        newSliderValue = maxValue
    end
    
    return hasTouched, newSliderValue, sliderIndex
end


function calculateZBETouchValueOffset(touchInputDragOffsetY, minValue, maxValue)
  local offset = touchInputDragOffsetY * (maxValue - minValue) / 2.0

  return offset
end