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Re: NSOutlineView (bis): How does Cocoa determine a click in a cell can start a drag operation?

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Re: NSOutlineView (bis): How does Cocoa determine a click in a cell can start a drag operation?

Subject: Re: NSOutlineView (bis): How does Cocoa determine a click in a cell can start a drag operation?
From: Benjamin Stiglitz <email@hidden>
Date: Wed, 6 Feb 2008 10:26:21 -0800

The subclass of NSButtonCell overloads - (BOOL) trackMouse:inRect:ofView:untilMouseUp: so that the cell does not respond to clicks.

Now this doesn't seem to be enough as a click on a cell of the first column can not start a drag operation.

Take a look at - (NSUInteger)hitTestForEvent:(NSEvent *)event inRect: (NSRect)cellFrame ofView:(NSView *)controlView: http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSCell_Class/Reference/NSCell.html#/ /apple_ref/occ/instm/NSCell/hitTestForEvent:inRect:ofView:

-Ben
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References:  
  >NSOutlineView (bis): How does Cocoa determine a click in a cell can	start a drag operation? (From: Stéphane Sudre <email@hidden>)




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