Undo/Redo Notifications
Undo/Redo Notifications
- Subject: Undo/Redo Notifications
- From: Gordon Apple <email@hidden>
- Date: Sat, 22 May 2010 16:30:45 -0500
- Thread-topic: Undo/Redo Notifications
So far, I don't see what I need for enabling/disabling undo/redo buttons in
iPhoneOS NSUndoManager. I want to implement an undo button/popover, a la
Pages, for a UITextView. I know I can read canUndo/canRedo, but I need an
active notification when undo status changes in order to enable/disable the
button and popover action buttons. What is the best way to get this,
preferably without subclassing UITextView? Available notifications don't
seem to be what I need.
(MacOS usually does this when dropping a menu. That doesn't work here.)
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