How do I fire a MouseMove Event from inside a slot?? Meaning

Qt Code: 
  1. void slotOnPasteButton(){
  2.   if( ! computePasteRect() ){ //Gives the reactangular area for object to be pasted
  3.      return;
  4.   }
  5.  // fire or call MouseMove Event 
  6.  // If the <esc> key is pressed, cancel the pasting operation which I need to check like this
  7.   if ( e->type() == QEvent::KeyPress && ((QKeyEvent *)e)->key() == Qt::Key_Escape ) {  
  8.       //user cancelled paste operation
  9.       //clear pasteRect     
  10.   }
  11.  // We have now returned from the mouseMoveEvent, with a new position for the
  12. 	// bounding box of the objects to be pasted
  13.   if( !pasteRect.isNull() )
  14.       //do stuffs to paste the object at new position
  15.  
  16. }
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