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

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This commit is contained in:
Alexandr Kondratev 2016-07-05 12:02:16 +03:00
parent 4e63bd04e5
commit 179998a8a2
1 changed files with 1 additions and 1 deletions
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modules/highgui/src/window_QT.cpp
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@ -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);