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

9 years ago · 179998a8a2
parent 4e63bd04e5
commit 179998a8a2
1 changed files with 1 additions and 1 deletions
--- 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);