Commits on Jan 12, 2023

1. Allow to change the volume using a mouse hires wheel …

   The Volume control plugin allows to change the volume using
   the mouse wheel. However for hires wheel this doesn't work.
   
   The volume change is controlled by the following formula:
   
    m_volumeSlider->setSliderPosition(m_volumeSlider->sliderPosition()
      + (event->angleDelta().y() / QWheelEvent::DefaultDeltasPerStep *
      m_volumeSlider->singleStep()));
   
   For some kind of mouse where the wheel event is compose by a lot
   of small 'delta'; the ratio
   
      event->angleDelta().y() / QWheelEvent::DefaultDeltasPerStep
   
   is less than 1; and because this ratio is between two integers
   it is rounded to 0.
   
   So store the fraction part of the wheel stroke in a static variable.

   

   kreijack committed Jan 12, 2023
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