Re: Custom NSTextView and undo/redos
Re: Custom NSTextView and undo/redos
- Subject: Re: Custom NSTextView and undo/redos
- From: Douglas Davidson <email@hidden>
- Date: Tue, 4 Apr 2006 15:31:17 -0700
On Apr 4, 2006, at 2:54 PM, Denis Delbecq wrote:
In my document-based text editor, the document windows has a custom
NSScrollView. I created a protocol for NSTextViewClass to manage
cut/copy/paste and
shouldChangeTextInRange:affectedCharRange:replacementString:
operations in my own way and these operations work fine. But
unfortunately, the undo/redo menu items are disabled. I tried also
to replace the protocol with a custom class , inherited from
NSTextView class and to pose this class as NSTextView class. The
four methods I designed still work fine, but cannot get undo/redo
either. Thanks for Help.
Undo is handled in NSTextView's should-change and did-change
methods. If you override those, you'll need to call super.
Douglas Davidson
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