cocoa dragging and constraining coordinates
cocoa dragging and constraining coordinates
- Subject: cocoa dragging and constraining coordinates
- From: Kurt Sutter <email@hidden>
- Date: Mon, 23 May 2011 17:28:47 +0200
This may be a dumb question, but I cannot find a useful solution.
My view implements dragging of the objects it displays. The user should be able to constrain the coordinates of the drag to purely horizontal/vertical by holding down the shift key, i.e. the position of the image passed to dragImage:at:offset:event:pasteboard:source:slideBack should be constrained to a purely horizontal/vertical offset when the users holds the shift key down. I have checked out the NSDraggingDestination protocol but found nothing helpful.
Thanks for any advice in advance.
Kurt
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