Move Rectangle on mouse Move

[marcel]

Can you show me again the code?

[vermarajeev]

Can you show me again the code?

void myClass::mouseMoveEvent( QMouseEvent *e ){
  if ( !readonly ){		
      if( band ){
	band->move( e->pos()- mouseRectOffset );			
                return;
       }
      //some other stuffs regarding application
   }
}
void myClass::mousePressEvent( QMouseEvent *e ){
  if( e->button() == LeftButton ){
   if ( !readonly ){
        if(canvasMode == CM_DragDropMode ){			
               hilitObject->hilight( this, FALSE );
	dragSelection( e->pos() );	
	leftDown = TRUE;
	return;
         }
     //some other stuffs regarding application
    }
  }
}
 
void myClass::mouseReleaseEvent( QMouseEvent *e ){
if( leftDown ){
    leftDown = FALSE;
    if( band ){
         cacluateNewObjectPosition(e->pos());
         delete band;
         band = 0;
 
         // If the pasteList is not empty (meaning we didn't cancel the
         // paste operation), then do the following:
         if( ! pasteList.isEmpty() ){
	// Update the pixel coordinates
          }
         update();
         return;
    }
    //some other stuffs regarding application
}
void myClass::pasteObjects(){
  //first calculate pasteRect
   if( !band )
           band = new QRubberBand(QRubberBand::Rectangle, this);	
    band->setGeometry( pasteRect );
    band->show();
}
void myClass::dragSelection( QPoint clickedP ){
  //first calculate pasteRect
   if( !band )
           band = new QRubberBand(QRubberBand::Rectangle, this);	
    band->setGeometry( pasteRect );
    band->show();
}

void myClass::mouseMoveEvent( QMouseEvent *e ){
  if ( !readonly ){		
      if( band ){
	band->move( e->pos()- mouseRectOffset );			
                return;
       }
      //some other stuffs regarding application
   }
}
void myClass::mousePressEvent( QMouseEvent *e ){
  if( e->button() == LeftButton ){
   if ( !readonly ){
        if(canvasMode == CM_DragDropMode ){			
               hilitObject->hilight( this, FALSE );
	dragSelection( e->pos() );	
	leftDown = TRUE;
	return;
         }
     //some other stuffs regarding application
    }
  }
}

void myClass::mouseReleaseEvent( QMouseEvent *e ){
if( leftDown ){
    leftDown = FALSE;
    if( band ){
         cacluateNewObjectPosition(e->pos());
         delete band;
         band = 0;
         
         // If the pasteList is not empty (meaning we didn't cancel the
         // paste operation), then do the following:
         if( ! pasteList.isEmpty() ){
	// Update the pixel coordinates
          }
         update();
         return;
    }
    //some other stuffs regarding application
}
void myClass::pasteObjects(){
  //first calculate pasteRect
   if( !band )
           band = new QRubberBand(QRubberBand::Rectangle, this);	
    band->setGeometry( pasteRect );
    band->show();
}
void myClass::dragSelection( QPoint clickedP ){
  //first calculate pasteRect
   if( !band )
           band = new QRubberBand(QRubberBand::Rectangle, this);	
    band->setGeometry( pasteRect );
    band->show();
}

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[vermarajeev]

Ok, I'm back again...Can anyone please tell me why there is a lag when I move QRubberBand rectangle???