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Re: NSView / Drag and Drop: Any API or constants to detect the start of a drag?

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Re: NSView / Drag and Drop: Any API or constants to detect the start of a drag?

Subject: Re: NSView / Drag and Drop: Any API or constants to detect the start of a drag?
From: "John C. Randolph" <email@hidden>
Date: Sun, 11 Nov 2007 01:32:43 -0800


On Nov 10, 2007, at 5:07 AM, Mike Abdullah wrote:

Correct me if I'm wrong, but I don't believe text fields start a drag depending on the distance moved by the mouse. Instead, as I far as I'm aware it's time based. i.e. to drag you have to click and hold for a fraction of time before moving the mouse.

That's correct. Also, in Mail, if you drag horizontally you start a drag session, and if you drag vertically you select more than one message.

This would have been fairly easy to achieve using an iVar in - mouseDown and -mouseDragged.


Yep.

-jcr
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References:  
  >Re: NSView / Drag and Drop: Any API or constants to detect the	start of a drag? (From: Stéphane Sudre <email@hidden>)
  >Re: NSView / Drag and Drop: Any API or constants to detect the	start of a drag? (From: Mike Abdullah <email@hidden>)




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