Viewport: Only zoom in/out at vertical wheel events

[pulseview.git] / pv / view / viewport.cpp

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index 6ce52abc28c4a362cf798fac507e4187c311cef7..2b03b76723147852cede33b727fa6e549785d21d 100644 (file)
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -115,7 +115,11 @@ void Viewport::mouseReleaseEvent(QMouseEvent *event)
 void Viewport::wheelEvent(QWheelEvent *event)
 {
        assert(event);
 void Viewport::wheelEvent(QWheelEvent *event)
 {
        assert(event);

-       _view.zoom(event->delta() / 120, event->x());
+
+       if (event->orientation() == Qt::Vertical) {
+               // Vertical scrolling is interpreted as zooming in/out
+               _view.zoom(event->delta() / 120, event->x());
+       }

 }
 
 void Viewport::draw_cursors_background(QPainter &p)
 }
 
 void Viewport::draw_cursors_background(QPainter &p)