marginGap property

EdgeInsets get marginGap

dropdown border width + shadow max blur radius plus max spread radius to show shadow

Implementation

EdgeInsets get marginGap => animationType == DropdownAnimationType.size
    ? EdgeInsets.only(
        top: borderSide.width * 0.5 + shadowMaxBlurRadiusPlusMaxSpreadRadius,
        bottom:
            borderSide.width * 0.5 + shadowMaxBlurRadiusPlusMaxSpreadRadius,
        left: borderSide.width * 0.5 + shadowMaxBlurRadiusPlusMaxSpreadRadius,
        right:
            borderSide.width * 0.5 + shadowMaxBlurRadiusPlusMaxSpreadRadius,
      )
    : EdgeInsets.zero;