[Pythonmac-SIG] Using NSViewAnimation

[Dinu Gherman]

Hi,

I'm trying for the first time to use NSViewAnimation in
an NSView.mouseDown_() method like in this code below:
    def mouseDown_(self, event):
        "Animate frame expansion."

        viewFrame = self.frame()
        newFrame = (
            (viewFrame[0][0]-5, viewFrame[0][1]-5),
            (viewFrame[1][0]+10, viewFrame[1][1]+10)
        )
        viewDict = {
            NSViewAnimationTargetKey: self,
            NSViewAnimationStartFrameKey: viewFrame,
            NSViewAnimationEndFrameKey: newFrame,
        }
        anim =  
NSViewAnimation.alloc().initWithViewAnimations_([viewDict])
        anim.setDuration_(1.0)
        anim.setAnimationCurve_(NSAnimationEaseIn)
        anim.startAnimation()
        # anim.release()

But when klicking an item I get an exception like this:

  Traceback (most recent call last):
    File "simpleedit0.py", line 225, in <module>
      main()
    File "simpleedit0.py", line 221, in main
      AppHelper.runEventLoop()
    File "/usr/local/lib/python2.5/site-packages/PyObjC/PyObjCTools/ 
AppHelper.py", line 237, in runEventLoop
      NSApp().run()
  ValueError: NSInvalidArgumentException - Class OC_PythonObject: no  
such selector: rectValue

Has anybody else used NSViewAnimation successfully? Or could
a reason for this be the fact that I'm using a single Python
script without any Xcode or NIB files?

Thanks,

Dinu

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