diff options
Diffstat (limited to 'src/quick/handlers/qquickwheelhandler.cpp')
| -rw-r--r-- | src/quick/handlers/qquickwheelhandler.cpp | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/src/quick/handlers/qquickwheelhandler.cpp b/src/quick/handlers/qquickwheelhandler.cpp index 90e4fef97e..16f38af962 100644 --- a/src/quick/handlers/qquickwheelhandler.cpp +++ b/src/quick/handlers/qquickwheelhandler.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2019 The Qt Company Ltd. +** Copyright (C) 2020 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQuick module of the Qt Toolkit. @@ -49,6 +49,7 @@ Q_LOGGING_CATEGORY(lcWheelHandler, "qt.quick.handler.wheel") /*! \qmltype WheelHandler \instantiates QQuickWheelHandler + \inherits SinglePointHandler \inqmlmodule QtQuick \ingroup qtquick-input-handlers \brief Handler for the mouse wheel. @@ -71,7 +72,7 @@ Q_LOGGING_CATEGORY(lcWheelHandler, "qt.quick.handler.wheel") \snippet pointerHandlers/handlerFlick.qml 0 - Alternatively if \l targetProperty is not set or \l target is null, + Alternatively, if \l property is not set or \l target is null, WheelHandler will not automatically manipulate anything; but the \l rotation property can be used in a binding to manipulate another property, or you can implement \c onWheel and handle the wheel event @@ -79,15 +80,16 @@ Q_LOGGING_CATEGORY(lcWheelHandler, "qt.quick.handler.wheel") WheelHandler handles only a rotating mouse wheel by default. Optionally it can handle smooth-scrolling events from touchpad gestures, - by setting \l acceptedDevices to \c{PointerDevice.Mouse | PointerDevice.TouchPad}. + by setting \l {QtQuick::PointerDeviceHandler::}{acceptedDevices} to + \c{PointerDevice.Mouse | PointerDevice.TouchPad}. \note Some non-mouse hardware (such as a touch-sensitive Wacom tablet, or a Linux laptop touchpad) generates real wheel events from gestures. WheelHandler will respond to those events as wheel events regardless of the - setting of the \l acceptedDevices property. + setting of the \l {QtQuick::PointerDeviceHandler::}{acceptedDevices} + property. - \sa MouseArea - \sa Flickable + \sa MouseArea, Flickable */ QQuickWheelHandler::QQuickWheelHandler(QQuickItem *parent) @@ -125,13 +127,13 @@ void QQuickWheelHandler::setOrientation(Qt::Orientation orientation) \qmlproperty bool QtQuick::WheelHandler::invertible Whether or not to reverse the direction of property change if - \l QQuickPointerScrollEvent::inverted is true. The default is \c true. + QQuickPointerScrollEvent::inverted is true. The default is \c true. If the operating system has a "natural scrolling" setting that causes scrolling to be in the same direction as the finger movement, then if this property is set to \c true, and WheelHandler is directly setting a property on \l target, the direction of movement will correspond to the system setting. - If this property is set to \l false, it will invert the \l rotation so that + If this property is set to \c false, it will invert the \l rotation so that the direction of motion is always the same as the direction of finger movement. */ bool QQuickWheelHandler::isInvertible() const @@ -498,6 +500,13 @@ void QQuickWheelHandler::timerEvent(QTimerEvent *event) } } +/*! + \qmlsignal QtQuick::WheelHandler::wheel(PointerScrollEvent event) + + This signal is emitted every time this handler receives a \l QWheelEvent: + that is, every time the wheel is moved or the scrolling gesture is updated. +*/ + QQuickWheelHandlerPrivate::QQuickWheelHandlerPrivate() : QQuickSinglePointHandlerPrivate() { |