[Qt-interest] Generic Question

[aashish sheshadri]

The object emitting the signal is in the base class, and the slot is of the derived class.
but=> connect(this,SIGNAL(BeginExec()),this,SLOT(LoadCalibParam()));is called in the constructor of the derived class.

Since I am working in the devired class, what should I use as the object instead of this.
Thanks
Date: Tue, 1 Nov 2011 14:04:04 -0500
From: joseph.w.crowell at gmail.com
To: aashish1989 at hotmail.com
Subject: Re: [Qt-interest] Generic Question


  


    
  
  
    is this called in the base class or the derived class? one of the
    classes won't be this?

    

    On 11/1/2011 1:01 PM, aashish sheshadri wrote:
    
      
      
        Thank you.
        

        
        I ran qmake
          again, and it works fine now.
        

        
        In the same
          context 
        

        
        
           connect(this,SIGNAL(BeginExec()),this,SLOT(LoadCalibParam()));
          Above is in the constructor of the derived class
          
          BeginExec() is a signal defined in the base class.
          LoadCalibParam() is a slot defined in the derived class.
          
          I have also make a virtual slot declaration of LoadCalibParam()
          in the base class.
          
          However, upon the signal being emitted, the slot is not being called.
          
          your thoughts will be really helpful
          
          Thanks
          Aashish
        
        

          

          > Date: Tue, 1 Nov 2011 17:32:06 +0100

            > From: andre at bitwigglers.org

            > To: gopalakbhat at gmail.com

            > CC: aashish1989 at hotmail.com; qt-interest at qt.nokia.com

            > Subject: Re: [Qt-interest] Generic Question

            > 

            > > On Tue, Nov 1, 2011 at 7:02 PM, aashish sheshadri

            > > <aashish1989 at hotmail.com>wrote:

            > > > No i did not include Q_OBJECT in the private
            section of my derived class.

            > > > But after I did I get the error

            > > >

            > > > error: undefined reference to `vtable for
            OpenCViso' in the OpenCViso

            > > > constructor.

            > Make sure you have the OpenCViso header file listed in
            the HEADERS

            > section of your .pro file and run qmake again, so that
            moc can pick up

            > the header.

            > 

            > regards,

            > 

            > Andre

          
        
      
      

      
      

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