diff options
Diffstat (limited to 'doc/src/snippets')
-rw-r--r-- | doc/src/snippets/code/src_gui_kernel_qevent.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/doc/src/snippets/code/src_gui_kernel_qevent.cpp b/doc/src/snippets/code/src_gui_kernel_qevent.cpp index 35c53337f4..d8bdeebe84 100644 --- a/doc/src/snippets/code/src_gui_kernel_qevent.cpp +++ b/doc/src/snippets/code/src_gui_kernel_qevent.cpp @@ -41,14 +41,16 @@ //! [0] void MyWidget::wheelEvent(QWheelEvent *event) { - int numDegrees = event->delta() / 8; - int numSteps = numDegrees / 15; + QPoint numPixels = envent->pixelDelta(); + QPoint numDegrees = envent->angleDelta() / 8; - if (event->orientation() == Qt::Horizontal) { - scrollHorizontally(numSteps); - } else { - scrollVertically(numSteps); + if (!numPixels.isNull()) { + scrollWithPixels(numpixels); + } else if (!numDegrees.isNull()) { + QPoint numSteps = numDegrees / 15; + scrollWithDegrees(numSteps); } + event->accept(); } //! [0] |