highgui module: window_QT mouse wheel reuse variable delta instead call evnt->delta()

179998a8 · Alexandr Kondratev · 4e63bd04 · 179998a8
Commit 179998a8 authored Jul 05, 2016 by Alexandr Kondratev
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window_QT.cpp modules/highgui/src/window_QT.cpp +1 -1

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--- a/modules/highgui/src/window_QT.cpp
+++ b/modules/highgui/src/window_QT.cpp
@@ -2637,7 +2637,7 @@ void DefaultViewPort::wheelEvent(QWheelEvent* evnt)
    icvmouseHandler(evnt, mouse_wheel, cv_event, flags);
    icvmouseProcessing(QPoingF(pt), cv_event, flags);

-    scaleView(evnt->delta() / 240.0, pt);
+    scaleView(delta / 240.0, pt);
    viewport()->update();

    QWidget::mouseWheel(evnt);