diff options
Diffstat (limited to 'examples')
-rw-r--r-- | examples/gestures/imagegestures/imagegestures.pro | 6 | ||||
-rw-r--r-- | examples/gestures/imagegestures/imagewidget.cpp | 30 |
2 files changed, 16 insertions, 20 deletions
diff --git a/examples/gestures/imagegestures/imagegestures.pro b/examples/gestures/imagegestures/imagegestures.pro index 7780ad9..8c947e4 100644 --- a/examples/gestures/imagegestures/imagegestures.pro +++ b/examples/gestures/imagegestures/imagegestures.pro @@ -5,12 +5,12 @@ SOURCES = imagewidget.cpp \ mainwidget.cpp # install -target.path = $$[QT_INSTALL_EXAMPLES]/gestures/imageviewer +target.path = $$[QT_INSTALL_EXAMPLES]/gestures/imagegestures sources.files = $$SOURCES \ $$HEADERS \ $$RESOURCES \ $$FORMS \ - imageviewer.pro -sources.path = $$[QT_INSTALL_EXAMPLES]/gestures/imageviewer + imagegestures.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/gestures/imagegestures INSTALLS += target \ sources diff --git a/examples/gestures/imagegestures/imagewidget.cpp b/examples/gestures/imagegestures/imagewidget.cpp index 28de6da..f615129 100644 --- a/examples/gestures/imagegestures/imagewidget.cpp +++ b/examples/gestures/imagegestures/imagewidget.cpp @@ -102,17 +102,13 @@ void ImageWidget::mouseDoubleClickEvent(QMouseEvent *) //! [gesture event handler] bool ImageWidget::gestureEvent(QGestureEvent *event) { - if (QGesture *pan = event->gesture(Qt::PanGesture)) { - panTriggered(static_cast<QPanGesture*>(pan)); - return true; - } else if (QGesture *pinch = event->gesture(Qt::PinchGesture)) { - pinchTriggered(static_cast<QPinchGesture*>(pinch)); - return true; - } else if (QGesture *swipe = event->gesture(Qt::SwipeGesture)) { - swipeTriggered(static_cast<QSwipeGesture*>(swipe)); - return true; - } - return false; + if (QGesture *pan = event->gesture(Qt::PanGesture)) + panTriggered(static_cast<QPanGesture *>(pan)); + if (QGesture *pinch = event->gesture(Qt::PinchGesture)) + pinchTriggered(static_cast<QPinchGesture *>(pinch)); + if (QGesture *swipe = event->gesture(Qt::SwipeGesture)) + swipeTriggered(static_cast<QSwipeGesture *>(swipe)); + return true; } //! [gesture event handler] @@ -128,21 +124,21 @@ void ImageWidget::panTriggered(QPanGesture *gesture) setCursor(Qt::ArrowCursor); } #endif - QPointF lastOffset = gesture->offset(); - horizontalOffset += lastOffset.x(); - verticalOffset += lastOffset.y(); + QPointF delta = gesture->delta(); + horizontalOffset += delta.x(); + verticalOffset += delta.y(); update(); } void ImageWidget::pinchTriggered(QPinchGesture *gesture) { - QPinchGesture::WhatChanged whatChanged = gesture->whatChanged(); - if (whatChanged & QPinchGesture::RotationAngleChanged) { + QPinchGesture::ChangeFlags changeFlags = gesture->changeFlags(); + if (changeFlags & QPinchGesture::RotationAngleChanged) { qreal value = gesture->property("rotationAngle").toReal(); qreal lastValue = gesture->property("lastRotationAngle").toReal(); rotationAngle += value - lastValue; } - if (whatChanged & QPinchGesture::ScaleFactorChanged) { + if (changeFlags & QPinchGesture::ScaleFactorChanged) { qreal value = gesture->property("scaleFactor").toReal(); qreal lastValue = gesture->property("lastScaleFactor").toReal(); scaleFactor += value - lastValue; |