See -mouseDragged: in NSResponder.
Cheers,
Chuck
--- Stéphane Sudre <email@hidden> wrote:
> I must be missing something obvious but I don't find
> in the Cocoa
> documentation or headers something that exists in
> the Carbon/Mac OS
> Classic API IIRC.
>
> Detecting the start of a drag operation requires to
> detect the
> following chain of events:
>
> 1) mouse left button down
>
> 2) mouse moved more than a specific limit
>
> In Carbon/Mac ToolBox, there was an API you could
> use to know that a
> mouse movement was the start of a drag.
>
> In Cocoa, I don't see such an API. I searched the
> ADC and Dveloper
> tools sample code (CocoaDragAndDrop is not a good
> sample code),
> searched the mailing list archive through
> cocoabuilder.com, quickly
> searched cocoadev.com, had a look at the NSTableView
> source code in
> GNUStep with no success.
>
> Would there an API or constant I'm missing?
>
>
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