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Re: mouseUp event for NSSlider

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Re: mouseUp event for NSSlider

Subject: Re: mouseUp event for NSSlider
From: "John C. Randolph" <email@hidden>
Date: Thu, 05 Mar 2009 21:13:02 -0800


On Mar 5, 2009, at 1:43 PM, Norio wrote:

Hi,
Would you give me any suggestions to get the mouseUp event for NSSlider?

I've tried to make subclass of NSSlider and override mouseUp: and then put a breakpoint, but the debugger didn't stop at the breakpoint.

What's tripping you up there is a legacy of how some of the older controls are implemented. NSSliderCell has a bad habit, which is capturing the event stream. Once you send it a -mouseDown: message, it will consume all mouse events until -mouseUp:. If you subclass NSSliderCell to work around this, don't send [super mouseDown:].

-jcr

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References:  
  >mouseUp event for NSSlider (From: Norio <email@hidden>)




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