Move the logic for determining if the item at a given x position is an icon into the function. This is used for determining selection over an icon, and will be used in a later commit for checking for hover over an icon. No functional changes.
Move the logic for determining if the item at a given x position is an icon into the function. This is used for determining selection over an icon, and will be used in a later commit for checking for hover over an icon. No functional changes.