Replace the deprecated QWheelEvent::delta() -> QWheelEvent::angleDelta()

Replaced the deprecated QWheelEvent::delta() with the vertical component of
angle delta, assuming that it's acceptable to have a single-dimension
mouse wheel in the example code.

Task-number: QTBUG-76491
Change-Id: Ie05bb5934ce43976cd3cf009343d7b50ea327f14
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/datavisualization/texturesurface/custominputhandler.cpp b/examples/datavisualization/texturesurface/custominputhandler.cpp
index 07608c90..e8e693a0 100644
--- a/examples/datavisualization/texturesurface/custominputhandler.cpp
+++ b/examples/datavisualization/texturesurface/custominputhandler.cpp
@@ -58,7 +58,7 @@ void CustomInputHandler::mousePressEvent(QMouseEvent *event, const QPoint &mouse
 //! [1]
 void CustomInputHandler::wheelEvent(QWheelEvent *event)
 {
-    float delta = float(event->delta());
+    float delta = float(event->angleDelta().y());
 
     m_axisXMinValue += delta;
     m_axisXMaxValue -= delta;