| 摘要 |
A looping menu is implemented through appropriate spacing and positioning of menu elements and by masking repeating menu elements. The starting position of the mask may be calculated with respect to the width of the initial set of menu elements presented before encountering repeating menu elements and the gap spacing between the menu elements. A larger gap spacing may be used between the first and last menu elements in order to indicate the start of the menu element list and to properly position the repeating menu elements within the mask area. The starting position for the mask, and thereby the ultimate width of the mask, may be dynamically calculated for any configuration of menu elements regardless of number and length of menu elements in a looping menu.
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