I'm using QWT 6.0.1 RC5, QT 4.8.0

I added a QwtPlotPanner in a QwtPlot and I would like axes were moving simultaneously to the shift of the canvas and not only once the panner is finished.

Then I associated a slot to the signal move (int dx , int dy) of the QwtPlotPanner :

note :cart is a QwtPlot.

Qt Code:
  1. QwtScaleMap scaleMapTmpX = cart->canvasMap(QwtPlot::xBottom);
  2. scaleMapTmpX.setScaleInterval(cart->axisScaleDiv(QwtPlot::xBottom)->upperBound(),
  3. cart->axisScaleDiv(QwtPlot::xBottom)->lowerBound());
  4.  
  5. QwtScaleMap scaleMapTmpY = cart->canvasMap(QwtPlot::yLeft);
  6. scaleMapTmpY.setScaleInterval(cart->axisScaleDiv(QwtPlot::yLeft)->upperBound(),
  7. cart->axisScaleDiv(QwtPlot::yLeft)->lowerBound());
  8.  
  9. double zoomPlotDragLowerBoundX = cart->axisScaleDiv(QwtPlot::xBottom)->lowerBound();
  10. double zoomPlotDragUpperBoundX = cart->axisScaleDiv(QwtPlot::xBottom)->upperBound();
  11. double zoomPlotDragLowerBoundY = cart->axisScaleDiv(QwtPlot::yLeft)->lowerBound();
  12. double zoomPlotDragUpperBoundY = cart->axisScaleDiv(QwtPlot::yLeft)->upperBound();
  13.  
  14. double LowerBoundX = scaleMapTmpX.transform(zoomPlotDragLowerBoundX);
  15. double UpperBoundX = scaleMapTmpX.transform(zoomPlotDragUpperBoundX);
  16. double LowerBoundY = scaleMapTmpY.transform(zoomPlotDragLowerBoundY);
  17. double UpperBoundY = scaleMapTmpY.transform(zoomPlotDragUpperBoundY);
  18.  
  19. cart->setAxisScale(QwtPlot::yLeft, scaleMapTmpY.invTransform(LowerBoundY + dy) ,
  20. scaleMapTmpY.invTransform(UpperBoundY + dy) );
  21.  
  22. cart->setAxisScale(QwtPlot::xBottom, scaleMapTmpX.invTransform(LowerBoundX + dx) ,
  23. scaleMapTmpX.invTransform(UpperBoundX + dx ));
  24. cart->replot();
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In the posted code the axes aren't correctly redraw (in partular the shift isn't conveted in the right scale). Do you have a solution?

In the implementation of the signal move(int dx, int dy), dx and dy represent the offset in pixel or in another unit of measure?