Zoom the plotter faster with Ctrl

gqrx-sdr · May 23, 2023 · fb61c88 · fb61c88
1 parent c3ada93
commit fb61c88
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/qtgui/plotter.cpp b/src/qtgui/plotter.cpp
@@ -1041,7 +1041,11 @@ void CPlotter::wheelEvent(QWheelEvent * event)
  }
  else if (m_CursorCaptured == XAXIS)
  {
- zoomStepX(delta < 0 ? 1.1 : 0.9, px);
+ // Scroll faster when Ctrl is held
+ float stepSize = event->modifiers() & Qt::ControlModifier ? 0.3 : 0.1;
+ // Zoom out or in
+ float step = 1 + (delta < 0 ? stepSize : -stepSize);
+ zoomStepX(step, px);
  }
  else if (event->modifiers() & Qt::ControlModifier)
  {