drag mouse problem

[robel]

Hi,
i want when i clic on object and drag the mouse cursor the object move to the new position
i have

void My_app:mousePressEvent(QMouseEvent* evt)
void My_app::mouseMoveEvent(QMouseEvent *e)
{
	if(e->buttons().testFlag(Qt::LeftButton))
    {
         Ogre::Real offsetX =(double)e->pos().x()/(double)width();
   Ogre::Real offsetY=(double) e->pos().y()/(double)height();
 
 
 
  mRayScnQuery = mSceneMgr->createRayQuery(Ogre::Ray());
 
 
 
	Ogre::Ray mouseRay = mCamera->getCameraToViewportRay(offsetX, offsetY);
 
 
    mRayScnQuery->setRay(mouseRay);
    // Execute query
	Ogre::RaySceneQueryResult &result =mRayScnQuery->execute();
	Ogre::RaySceneQueryResult::iterator itr;
 
	Ogre::RaySceneQueryResult::iterator target;
	float shortestDistance = -1 ;
 
	for( itr = result.begin() ;itr != result.end();++itr)
    {
 
          if( itr->distance < shortestDistance || shortestDistance  < 0 )
          {
             // remember the closest
             shortestDistance  = itr->distance;
             target = itr;
          }
 
    }
 
 
 
	Ogre:: Vector3 point=mouseRay.getPoint(target->distance);
	emit move_object(point);
}

void My_app:mousePressEvent(QMouseEvent* evt)
void My_app::mouseMoveEvent(QMouseEvent *e)
{
	if(e->buttons().testFlag(Qt::LeftButton))
    {
         Ogre::Real offsetX =(double)e->pos().x()/(double)width();
   Ogre::Real offsetY=(double) e->pos().y()/(double)height();
 

 
  mRayScnQuery = mSceneMgr->createRayQuery(Ogre::Ray());
	

	
	Ogre::Ray mouseRay = mCamera->getCameraToViewportRay(offsetX, offsetY);
 

    mRayScnQuery->setRay(mouseRay);
    // Execute query
	Ogre::RaySceneQueryResult &result =mRayScnQuery->execute();
	Ogre::RaySceneQueryResult::iterator itr;
	
	Ogre::RaySceneQueryResult::iterator target;
	float shortestDistance = -1 ;

	for( itr = result.begin() ;itr != result.end();++itr)
    {
     
          if( itr->distance < shortestDistance || shortestDistance  < 0 )
          {
             // remember the closest
             shortestDistance  = itr->distance;
             target = itr;
          }
      
    }



	Ogre:: Vector3 point=mouseRay.getPoint(target->distance);
	emit move_object(point);
}

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the problem is the mouse move event do not work exactelly , it give me always the same position( point posiiton is the same) even if i move the mouse

i know that's maybe i do