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Diffstat (limited to 'doc/src/frameworks-technologies/gestures.qdoc')
| -rw-r--r-- | doc/src/frameworks-technologies/gestures.qdoc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/doc/src/frameworks-technologies/gestures.qdoc b/doc/src/frameworks-technologies/gestures.qdoc index e5947a2..a619fe8 100644 --- a/doc/src/frameworks-technologies/gestures.qdoc +++ b/doc/src/frameworks-technologies/gestures.qdoc @@ -41,10 +41,9 @@ /*! \page gestures-overview.html - \startpage index.html Qt Reference Documentation - \title Gestures Programming \ingroup frameworks-technologies + \startpage index.html Qt Reference Documentation \brief An overview of the Qt support for Gesture programming. @@ -60,10 +59,11 @@ \section1 Overview QGesture is the central class in Qt's gesture framework, providing a container - for information about gestures performed by the user, such as panning, pinching - and swiping. QGesture exposes properties that give general information that is - common to all gestures, and these can be extended to provide additional - gesture-specific information. + for information about gestures performed by the user. QGesture exposes + properties that give general information that is common to all gestures, and + these can be extended to provide additional gesture-specific information. + Common panning, pinching and swiping gestures are represented by specialized + classes: QPanGesture, QPinchGesture and QSwipeGesture. Developers can also implement new gestures by subclassing and extending the QGestureRecognizer class. Adding support for a new gesture involves implementing @@ -80,7 +80,7 @@ required gesture type. The standard types are defined by the Qt::GestureType enum and include many commonly used gestures. - \snippet examples/gestures/imageviewer/imagewidget.cpp enable gestures + \snippet examples/gestures/imagegestures/imagewidget.cpp enable gestures In the above code, the gesture is set up in the constructor of the target object itself. @@ -93,18 +93,18 @@ \l{QWidget::}{event()} handler function and delegates gesture events to a specialized gestureEvent() function: - \snippet examples/gestures/imageviewer/imagewidget.cpp event handler + \snippet examples/gestures/imagegestures/imagewidget.cpp event handler The gesture events delivered to the target object can be examined individually and dealt with appropriately: - \snippet examples/gestures/imageviewer/imagewidget.cpp gesture event handler + \snippet examples/gestures/imagegestures/imagewidget.cpp gesture event handler Responding to a gesture is simply a matter of obtaining the QGesture object delivered in the QGestureEvent sent to the target object and examining the information it contains. - \snippet examples/gestures/imageviewer/imagewidget.cpp swipe function + \snippet examples/gestures/imagegestures/imagewidget.cpp swipe function Here, we examine the direction in which the user swiped the widget and modify its contents accordingly. |