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23rd December 2015 at 10:27pm

The popup mechanism allows blocks of content to be selectively displayed and positioned with respect to an anchor. It has several parts:

  • StateTiddlers to record whether a popup is currently displayed or not
  • The RevealWidget to selectively display the popup content
    • For "sticky" popups — those that don't close when clicking inside one — set the class attribute to tc-popup-keep
  • The ButtonWidget to trigger the display of the popup by setting the state tiddler appropriately