A new implementation of the Gesture API.

Implemented gestures using gesture events and separate
QGesture/QGestureRecognizer classes.

Reviewed-by: trustme

1 files changed, 105 insertions, 670 deletions

diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp
index 3cfb987..dfc3499 100644
--- a/src/gui/kernel/qstandardgestures.cpp
+++ b/src/gui/kernel/qstandardgestures.cpp
@@ -39,174 +39,45 @@
 **
 ****************************************************************************/
 
-#include "qstandardgestures.h"
 #include "qstandardgestures_p.h"
-
-#include <qabstractscrollarea.h>
-#include <qscrollbar.h>
-#include <private/qapplication_p.h>
-#include <private/qevent_p.h>
-#include <private/qwidget_p.h>
-#include <qmath.h>
+#include "qgesture.h"
+#include "qgesture_p.h"
+#include "qevent.h"
+#include "qwidget.h"
 
 QT_BEGIN_NAMESPACE
 
-#ifdef Q_WS_WIN
-QWidgetPrivate *qt_widget_private(QWidget *widget);
-#endif
-
-/*!
-    \class QPanGesture
-    \preliminary
-    \since 4.6
-
-    \brief The QPanGesture class represents a Pan gesture,
-    providing additional information related to panning.
-*/
-
-/*!
-    \enum QSwipeGesture::SwipeDirection
-    \brief This enum specifies the direction of the swipe gesture.
-
-    \value NoDirection
-    \value Left
-    \value Right
-    \value Up
-    \value Down
-*/
-
-/*!
-  Creates a new pan gesture handler object and marks it as a child of
-  \a parent. The pan gesture handler watches \a gestureTarget for its
-  events.
-
-  On some platform like Windows it's necessary to provide a non-null
-  widget as \a parent to get native gesture support.
-*/
-QPanGesture::QPanGesture(QWidget *gestureTarget, QObject *parent)
-    : QGesture(*new QPanGesturePrivate, gestureTarget, parent)
+QPanGestureRecognizer::QPanGestureRecognizer()
 {
-    setObjectName(QLatin1String("QPanGesture"));
-}
-
-void QPanGesturePrivate::setupGestureTarget(QObject *newGestureTarget)
-{
-    Q_Q(QPanGesture);
-    QApplicationPrivate *qAppPriv = QApplicationPrivate::instance();
-
-    if (gestureTarget && gestureTarget->isWidgetType()) {
-        QWidget *w = static_cast<QWidget*>(gestureTarget.data());
-        if (qAppPriv->widgetGestures[w].pan == q)
-            qAppPriv->widgetGestures[w].pan = 0;
-#if defined(Q_WS_WIN)
-        qt_widget_private(w)->winSetupGestures();
-#elif defined(Q_WS_MAC)
-        w->setAttribute(Qt::WA_AcceptTouchEvents, false);
-        w->setAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents, false);
-#endif
-    }
-
-    if (newGestureTarget && newGestureTarget->isWidgetType()) {
-        QWidget *w = static_cast<QWidget*>(newGestureTarget);
-        qAppPriv->widgetGestures[w].pan = q;
-#if defined(Q_WS_WIN)
-        qt_widget_private(w)->winSetupGestures();
-#elif defined(Q_WS_MAC)
-        w->setAttribute(Qt::WA_AcceptTouchEvents);
-        w->setAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents);
-#endif
-    }
-    QGesturePrivate::setupGestureTarget(newGestureTarget);
-}
-
-/*! \internal */
-bool QPanGesture::event(QEvent *event)
-{
-#if defined(QT_MAC_USE_COCOA)
-    Q_D(QPanGesture);
-    if (event->type() == QEvent::Timer) {
-        const QTimerEvent *te = static_cast<QTimerEvent *>(event);
-        if (te->timerId() == d->singleTouchPanTimer.timerId()) {
-            d->singleTouchPanTimer.stop();
-            updateState(Qt::GestureStarted);
-        }
-    }
-#endif
-
-    return QObject::event(event);
 }
 
-bool QPanGesture::eventFilter(QObject *receiver, QEvent *event)
+QGesture *QPanGestureRecognizer::createGesture(QObject *target)
 {
-    Q_D(QPanGesture);
-
-    if (d->implicitGesture && d->gestureTarget && d->gestureTarget->isWidgetType() &&
-        static_cast<QWidget*>(d->gestureTarget.data())->testAttribute(Qt::WA_DontUseStandardGestures))
-        return false;
-
-#ifdef Q_WS_WIN
-    if (receiver->isWidgetType() && event->type() == QEvent::NativeGesture) {
-        QNativeGestureEvent *ev = static_cast<QNativeGestureEvent*>(event);
-        QApplicationPrivate *qAppPriv = QApplicationPrivate::instance();
-        QApplicationPrivate::WidgetStandardGesturesMap::iterator it;
-        it = qAppPriv->widgetGestures.find(static_cast<QWidget*>(receiver));
-        if (it == qAppPriv->widgetGestures.end())
-            return false;
-        if (this != it.value().pan)
-            return false;
-        Qt::GestureState nextState = Qt::NoGesture;
-        switch(ev->gestureType) {
-        case QNativeGestureEvent::GestureBegin:
-            // next we might receive the first gesture update event, so we
-            // prepare for it.
-            d->state = Qt::NoGesture;
-            return false;
-        case QNativeGestureEvent::Pan:
-            nextState = Qt::GestureUpdated;
-            event->accept();
-            break;
-        case QNativeGestureEvent::GestureEnd:
-            if (state() == Qt::NoGesture)
-                return false; // some other gesture has ended
-            nextState = Qt::GestureFinished;
-            break;
-        default:
-            return false;
-        }
-        if (state() == Qt::NoGesture) {
-            d->lastOffset = d->totalOffset = d->offset = QSize();
-        } else {
-            d->lastOffset = d->offset;
-            d->offset = QSize(ev->position.x() - d->lastPosition.x(),
-                              ev->position.y() - d->lastPosition.y());
-            d->totalOffset += d->offset;
-        }
-        d->lastPosition = ev->position;
-        updateState(nextState);
-        return true;
+    if (target && target->isWidgetType()) {
+        static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
     }
-#endif
-    return QGesture::eventFilter(receiver, event);
+    return new QPanGesture;
 }
 
-/*! \internal */
-bool QPanGesture::filterEvent(QEvent *event)
+QGestureRecognizer::Result QPanGestureRecognizer::filterEvent(QGesture *state, QObject *, QEvent *event)
 {
-    Q_D(QPanGesture);
+    QPanGesture *q = static_cast<QPanGesture*>(state);
+    QPanGesturePrivate *d = q->d_func();
 
-    if (d->implicitGesture && d->gestureTarget && d->gestureTarget->isWidgetType() &&
-        static_cast<QWidget*>(d->gestureTarget.data())->testAttribute(Qt::WA_DontUseStandardGestures))
-        return false;
-
-#if defined(Q_WS_WIN)
     const QTouchEvent *ev = static_cast<const QTouchEvent*>(event);
 
-    if (event->type() == QEvent::TouchBegin) {
+    QGestureRecognizer::Result result;
+
+    switch (event->type()) {
+    case QEvent::TouchBegin: {
+        result = QGestureRecognizer::MaybeGesture;
         QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
         d->lastPosition = p.pos().toPoint();
         d->lastOffset = d->totalOffset = d->offset = QSize();
-    } else if (event->type() == QEvent::TouchEnd) {
-        if (state() != Qt::NoGesture) {
+        break;
+    }
+    case QEvent::TouchEnd: {
+        if (q->state() != Qt::NoGesture) {
             if (ev->touchPoints().size() == 2) {
                 QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
                 QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
@@ -216,11 +87,14 @@ bool QPanGesture::filterEvent(QEvent *event)
                               p1.pos().y() - p1.lastPos().y() + p2.pos().y() - p2.lastPos().y()) / 2;
                 d->totalOffset += d->offset;
             }
-            updateState(Qt::GestureFinished);
+            result = QGestureRecognizer::GestureFinished;
+        } else {
+            result = QGestureRecognizer::NotGesture;
         }
-        reset();
-    } else if (event->type() == QEvent::TouchUpdate) {
-        if (ev->touchPoints().size() == 2) {
+        break;
+    }
+    case QEvent::TouchUpdate: {
+        if (ev->touchPoints().size() >= 2) {
             QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
             QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
             d->lastOffset = d->offset;
@@ -230,10 +104,60 @@ bool QPanGesture::filterEvent(QEvent *event)
             d->totalOffset += d->offset;
             if (d->totalOffset.width() > 10  || d->totalOffset.height() > 10 ||
                 d->totalOffset.width() < -10 || d->totalOffset.height() < -10) {
-                updateState(Qt::GestureUpdated);
+                result = QGestureRecognizer::GestureTriggered;
+            } else {
+                result = QGestureRecognizer::MaybeGesture;
             }
         }
+        break;
+    }
+    case QEvent::MouseButtonPress:
+    case QEvent::MouseMove:
+    case QEvent::MouseButtonRelease:
+        result = QGestureRecognizer::Ignore;
+        break;
+    default:
+        result = QGestureRecognizer::Ignore;
+        break;
+    }
+    return result;
+}
+
+void QPanGestureRecognizer::reset(QGesture *state)
+{
+    QPanGesture *pan = static_cast<QPanGesture*>(state);
+    QPanGesturePrivate *d = pan->d_func();
+
+    d->totalOffset = d->lastOffset = d->offset = QSizeF();
+    d->lastPosition = QPoint();
+    d->acceleration = 0;
+
+//#if defined(QT_MAC_USE_COCOA)
+//    d->singleTouchPanTimer.stop();
+//    d->prevMousePos = QPointF(0, 0);
+//#endif
+
+    QGestureRecognizer::reset(state);
+}
+
+/*! \internal */
+/*
+bool QPanGestureRecognizer::event(QEvent *event)
+{
+#if defined(QT_MAC_USE_COCOA)
+    Q_D(QPanGesture);
+    if (event->type() == QEvent::Timer) {
+        const QTimerEvent *te = static_cast<QTimerEvent *>(event);
+        if (te->timerId() == d->singleTouchPanTimer.timerId()) {
+            d->singleTouchPanTimer.stop();
+            updateState(Qt::GestureStarted);
+        }
     }
+#endif
+
+    bool consume = false;
+
+#if defined(Q_WS_WIN)
 #elif defined(QT_MAC_USE_COCOA)
     // The following implements single touch
     // panning on Mac:
@@ -244,16 +168,25 @@ bool QPanGesture::filterEvent(QEvent *event)
     switch (event->type()) {
     case QEvent::TouchBegin: {
         if (ev->touchPoints().size() == 1) {
+            d->delayManager->setEnabled(true);
+            consume = d->delayManager->append(d->gestureTarget, *event);
             d->lastPosition = QCursor::pos();
             d->singleTouchPanTimer.start(panBeginDelay, this);
         }
         break;}
     case QEvent::TouchEnd: {
-        if (state() != Qt::NoGesture)
+        d->delayManager->setEnabled(false);
+        if (state() != Qt::NoGesture) {
             updateState(Qt::GestureFinished);
+            consume = true;
+            d->delayManager->clear();
+        } else {
+            d->delayManager->replay();
+        }
         reset();
         break;}
     case QEvent::TouchUpdate: {
+        consume = d->delayManager->append(d->gestureTarget, *event);
         if (ev->touchPoints().size() == 1) {
             if (state() == Qt::NoGesture) {
                 // INVARIANT: The singleTouchTimer has still not fired.
@@ -261,11 +194,15 @@ bool QPanGesture::filterEvent(QEvent *event)
                 // the starting point that it makes sense to cancel:
                 const QPointF startPos = ev->touchPoints().at(0).startPos().toPoint();
                 const QPointF p = ev->touchPoints().at(0).pos().toPoint();
-                if ((startPos - p).manhattanLength() > panBeginRadius)
+                if ((startPos - p).manhattanLength() > panBeginRadius) {
+                    d->delayManager->replay();
+                    consume = false;
                     reset();
-                else
+                } else {
                     d->lastPosition = QCursor::pos();
+                }
             } else {
+                d->delayManager->clear();
                 QPointF mousePos = QCursor::pos();
                 QPointF dist = mousePos - d->lastPosition;
                 d->lastPosition = mousePos;
@@ -275,527 +212,25 @@ bool QPanGesture::filterEvent(QEvent *event)
                 updateState(Qt::GestureUpdated);
             }
         } else if (state() == Qt::NoGesture) {
+            d->delayManager->replay();
+            consume = false;
             reset();
         }
         break;}
+    case QEvent::MouseButtonPress:
+    case QEvent::MouseMove:
+    case QEvent::MouseButtonRelease:
+        if (d->delayManager->isEnabled())
+            consume = d->delayManager->append(d->gestureTarget, *event);
+        break;
     default:
         return false;
     }
 #else
     Q_UNUSED(event);
 #endif
-    return false;
-}
-
-/*! \internal */
-void QPanGesture::reset()
-{
-    Q_D(QPanGesture);
-    d->lastOffset = d->totalOffset = d->offset = QSize(0, 0);
-    d->lastPosition = QPoint(0, 0);
-
-#if defined(QT_MAC_USE_COCOA)
-    d->singleTouchPanTimer.stop();
-    d->prevMousePos = QPointF(0, 0);
-#endif
-
-    QGesture::reset();
-}
-
-/*!
-    \property QPanGesture::totalOffset
-
-    Specifies a total pan offset since the start of the gesture.
-*/
-QSizeF QPanGesture::totalOffset() const
-{
-    Q_D(const QPanGesture);
-    return d->totalOffset;
-}
-
-/*!
-    \property QPanGesture::lastOffset
-
-    Specifies a pan offset the last time the gesture was triggered.
-*/
-QSizeF QPanGesture::lastOffset() const
-{
-    Q_D(const QPanGesture);
-    return d->lastOffset;
-}
-
-/*!
-    \property QPanGesture::offset
-
-    Specifies the current pan offset since the last time the gesture was
-    triggered.
-*/
-QSizeF QPanGesture::offset() const
-{
-    Q_D(const QPanGesture);
-    return d->offset;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-/*!
-    \class QPinchGesture
-    \preliminary
-    \since 4.6
-
-    \brief The QPinchGesture class represents a Pinch gesture,
-    providing additional information related to zooming and/or rotation.
-*/
-
-/*!
-  Creates a new Pinch gesture handler object and marks it as a child
-  of \a parent. The pan gesture handler watches \a gestureTarget for its
-  events.
-
-  On some platform like Windows it's necessary to provide a non-null
-  widget as \a parent to get native gesture support.
-*/
-QPinchGesture::QPinchGesture(QWidget *gestureTarget, QObject *parent)
-    : QGesture(*new QPinchGesturePrivate, gestureTarget, parent)
-{
-    setObjectName(QLatin1String("QPinchGesture"));
-}
-
-void QPinchGesturePrivate::setupGestureTarget(QObject *newGestureTarget)
-{
-    Q_Q(QPinchGesture);
-    if (gestureTarget && gestureTarget->isWidgetType()) {
-        QWidget *w = static_cast<QWidget*>(gestureTarget.data());
-        QApplicationPrivate::instance()->widgetGestures[w].pinch = 0;
-#ifdef Q_WS_WIN
-        qt_widget_private(w)->winSetupGestures();
-#endif
-    }
-
-    if (newGestureTarget && newGestureTarget->isWidgetType()) {
-        QWidget *w = static_cast<QWidget*>(newGestureTarget);
-        QApplicationPrivate::instance()->widgetGestures[w].pinch = q;
-#ifdef Q_WS_WIN
-        qt_widget_private(w)->winSetupGestures();
-#endif
-    }
-    QGesturePrivate::setupGestureTarget(newGestureTarget);
-}
-
-/*! \internal */
-bool QPinchGesture::event(QEvent *event)
-{
-    return QObject::event(event);
-}
-
-bool QPinchGesture::eventFilter(QObject *receiver, QEvent *event)
-{
-    Q_D(QPinchGesture);
-
-    if (d->implicitGesture && d->gestureTarget && d->gestureTarget->isWidgetType() &&
-        static_cast<QWidget*>(d->gestureTarget.data())->testAttribute(Qt::WA_DontUseStandardGestures))
-        return false;
-
-#if defined(Q_WS_WIN) || defined(Q_WS_MAC)
-    if (receiver->isWidgetType() && event->type() == QEvent::NativeGesture) {
-        QNativeGestureEvent *ev = static_cast<QNativeGestureEvent*>(event);
-#if defined(Q_WS_WIN)
-        QApplicationPrivate *qAppPriv = QApplicationPrivate::instance();
-        QApplicationPrivate::WidgetStandardGesturesMap::iterator it;
-        it = qAppPriv->widgetGestures.find(static_cast<QWidget*>(receiver));
-        if (it == qAppPriv->widgetGestures.end())
-            return false;
-        if (this != it.value().pinch)
-            return false;
-#endif
-        Qt::GestureState nextState = Qt::NoGesture;
-
-        switch(ev->gestureType) {
-        case QNativeGestureEvent::GestureBegin:
-            // next we might receive the first gesture update event, so we
-            // prepare for it.
-            d->state = Qt::NoGesture;
-            d->changes = 0;
-            d->totalScaleFactor = d->scaleFactor = d->lastScaleFactor = 1.;
-            d->totalRotationAngle = d->rotationAngle = d->lastRotationAngle = 0.;
-            d->startCenterPoint = d->centerPoint = d->lastCenterPoint = QPointF();
-#if defined(Q_WS_WIN)
-            d->initialDistance = 0;
-            d->lastSequenceId = ev->sequenceId;
-#endif
-            return false;
-        case QNativeGestureEvent::Rotate: {
-            d->lastScaleFactor = d->scaleFactor;
-            d->lastRotationAngle = d->rotationAngle;
-#if defined(Q_WS_MAC)
-            d->rotationAngle += ev->percentage;
-            nextState = Qt::GestureUpdated;
-#elif defined(Q_WS_WIN)
-            // This is a workaround for an issue with the native rotation
-            // gesture on Windows 7. For some reason the rotation angle in the
-            // first WM_GESTURE message in a sequence contains value that is
-            // off a little bit and causes the rotating item to "jump", so
-            // we just ignore the first WM_GESTURE in every sequence.
-            bool windowsRotateWorkaround = false;
-            if (!d->lastSequenceId) {
-                windowsRotateWorkaround = true;
-                d->lastSequenceId = ev->sequenceId;
-            }
-            if (d->lastSequenceId > 0 && d->lastSequenceId != (ulong)-1 && ev->sequenceId != d->lastSequenceId) {
-                // this is the first WM_GESTURE message in a sequence.
-                d->totalRotationAngle += d->rotationAngle;
-                windowsRotateWorkaround = true;
-                // a magic value to mark that the next WM_GESTURE message is
-                // the second message in a sequence and we should clear the
-                // lastRotationAngle
-                d->lastSequenceId = (ulong)-1;
-            }
-            if (!windowsRotateWorkaround) {
-                d->rotationAngle = -1 * GID_ROTATE_ANGLE_FROM_ARGUMENT(ev->argument) * 180. / M_PI;
-                if (d->lastSequenceId == (ulong)-1) {
-                    // a special case since we need to set the lastRotationAngle to
-                    // rotationAngle when the first WM_GESTURE is received in each
-                    // sequence.
-                    d->lastRotationAngle = d->rotationAngle;
-                }
-                d->lastSequenceId = ev->sequenceId;
-            }
-            if (!windowsRotateWorkaround)
-                nextState = Qt::GestureUpdated;
-#endif
-            d->changes = QPinchGesture::RotationAngleChanged;
-            event->accept();
-            break;
-        }
-        case QNativeGestureEvent::Zoom:
-            d->lastRotationAngle = d->rotationAngle;
-            d->lastScaleFactor = d->scaleFactor;
-#if defined(Q_WS_WIN)
-            if (d->initialDistance != 0) {
-                int distance = int(qint64(ev->argument));
-                if (d->lastSequenceId && ev->sequenceId != d->lastSequenceId) {
-                    d->totalScaleFactor *= d->scaleFactor;
-                    d->initialDistance = int(qint64(ev->argument));
-                    d->lastScaleFactor = d->scaleFactor = (qreal) distance / d->initialDistance;
-                } else {
-                    d->scaleFactor = (qreal) distance / d->initialDistance;
-                }
-                d->lastSequenceId = ev->sequenceId;
-            } else {
-                d->initialDistance = int(qint64(ev->argument));
-            }
-#elif defined(Q_WS_MAC)
-            d->scaleFactor += ev->percentage;
-#endif
-            nextState = Qt::GestureUpdated;
-            d->changes = QPinchGesture::ScaleFactorChanged;
-            event->accept();
-            break;
-        case QNativeGestureEvent::GestureEnd:
-            if (state() == Qt::NoGesture)
-                return false; // some other gesture has ended
-            nextState = Qt::GestureFinished;
-            break;
-        default:
-            return false;
-        }
-        if (d->startCenterPoint.isNull())
-            d->startCenterPoint = d->centerPoint;
-        d->lastCenterPoint = d->centerPoint;
-        d->centerPoint = static_cast<QWidget*>(receiver)->mapFromGlobal(ev->position);
-        if (d->lastCenterPoint != d->centerPoint)
-            d->changes |= QPinchGesture::CenterPointChanged;
-        updateState(nextState);
-        return true;
-    }
-#endif
-    return QGesture::eventFilter(receiver, event);
-}
-
-
-/*! \internal */
-bool QPinchGesture::filterEvent(QEvent *event)
-{
-    Q_D(QPinchGesture);
-
-    if (d->implicitGesture && d->gestureTarget && d->gestureTarget->isWidgetType() &&
-        static_cast<QWidget*>(d->gestureTarget.data())->testAttribute(Qt::WA_DontUseStandardGestures))
-        return false;
-
-    Q_UNUSED(event);
-    return false;
-}
-
-/*! \internal */
-void QPinchGesture::reset()
-{
-    Q_D(QPinchGesture);
-    d->changes = 0;
-    d->totalScaleFactor = d->scaleFactor = d->lastScaleFactor = 1.;
-    d->totalRotationAngle = d->rotationAngle = d->lastRotationAngle = 0.;
-    d->startCenterPoint = d->centerPoint = d->lastCenterPoint = QPointF();
-    QGesture::reset();
-}
-
-/*! \enum QPinchGesture::WhatChange
-  \value ScaleFactorChanged
-  \value RotationAngleChanged
-  \value CenterPointChanged
-*/
-
-/*!
-    \property QPinchGesture::whatChanged
-
-    Specifies which values were changed in the gesture.
-*/
-QPinchGesture::WhatChanged QPinchGesture::whatChanged() const
-{
-    return d_func()->changes;
-}
-
-/*!
-    \property QPinchGesture::totalScaleFactor
-
-    Specifies a total scale factor of the pinch gesture since the gesture
-    started.
-*/
-qreal QPinchGesture::totalScaleFactor() const
-{
-    Q_D(const QPinchGesture);
-    return d->totalScaleFactor * d->scaleFactor;
-}
-
-/*!
-    \property QPinchGesture::scaleFactor
-
-    Specifies a scale factor of the pinch gesture.
-
-    If the gesture consists of several pinch sequences (i.e. zoom and rotate
-    sequences), then this property specifies the scale factor in the current
-    sequence. When pinching changes the rotation angle only, the value of this
-    property is 1.
-*/
-qreal QPinchGesture::scaleFactor() const
-{
-    return d_func()->scaleFactor;
-}
-
-/*!
-    \property QPinchGesture::lastScaleFactor
-
-    Specifies a previous scale factor of the pinch gesture.
-*/
-qreal QPinchGesture::lastScaleFactor() const
-{
-    return d_func()->lastScaleFactor;
-}
-
-/*!
-    \property QPinchGesture::totalRotationAngle
-
-    Specifies a total rotation angle of the gesture since the gesture started.
-
-    The angle is specified in degrees.
-*/
-qreal QPinchGesture::totalRotationAngle() const
-{
-    Q_D(const QPinchGesture);
-    return d->totalRotationAngle + d->rotationAngle;
-}
-
-/*!
-    \property QPinchGesture::rotationAngle
-
-    Specifies a rotation angle of the gesture.
-
-    If the gesture consists of several pinch sequences (i.e. zoom and rotate
-    sequences), then this property specifies the rotation angle in the current
-    sequence. When pinching changes the scale factor only, the value of this
-    property is 0.
-
-    The angle is specified in degrees.
-*/
-qreal QPinchGesture::rotationAngle() const
-{
-    return d_func()->rotationAngle;
-}
-
-/*!
-    \property QPinchGesture::lastRotationAngle
-
-    Specifies a previous rotation angle of the gesture.
-
-    The angle is specified in degrees.
-*/
-qreal QPinchGesture::lastRotationAngle() const
-{
-    return d_func()->lastRotationAngle;
-}
-
-/*!
-    \property QPinchGesture::centerPoint
-
-    Specifies a center point of the gesture. The point can be used as a center
-    point that the object is rotated around.
-*/
-QPointF QPinchGesture::centerPoint() const
-{
-    return d_func()->centerPoint;
-}
-
-/*!
-    \property QPinchGesture::lastCenterPoint
-
-    Specifies a previous center point of the gesture.
-*/
-QPointF QPinchGesture::lastCenterPoint() const
-{
-    return d_func()->lastCenterPoint;
-}
-
-/*!
-    \property QPinchGesture::startCenterPoint
-
-    Specifies an initial center point of the gesture. Difference between the
-    startCenterPoint and the centerPoint is the distance at which pinching
-    fingers has shifted.
-*/
-QPointF QPinchGesture::startCenterPoint() const
-{
-    return d_func()->startCenterPoint;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-/*!
-    \class QSwipeGesture
-    \preliminary
-    \since 4.6
-
-    \brief The QSwipeGesture class represents a swipe gesture,
-    providing additional information related to swiping.
-*/
-
-/*!
-  Creates a new Swipe gesture handler object and marks it as a
-  child of \a parent. The swipe gesture handler watches \a
-  gestureTarget for its events.
-
-  On some platform like Windows it's necessary to provide a non-null
-  widget as \a parent to get native gesture support.
-*/
-QSwipeGesture::QSwipeGesture(QWidget *gestureTarget, QObject *parent)
-    : QGesture(*new QSwipeGesturePrivate, gestureTarget, parent)
-{
-    setObjectName(QLatin1String("QSwipeGesture"));
-}
-
-void QSwipeGesturePrivate::setupGestureTarget(QObject *newGestureTarget)
-{
-    Q_Q(QSwipeGesture);
-    if (gestureTarget && gestureTarget->isWidgetType()) {
-        QWidget *w = static_cast<QWidget*>(gestureTarget.data());
-        QApplicationPrivate::instance()->widgetGestures[w].swipe = 0;
-#if defined(Q_WS_WIN)
-        qt_widget_private(w)->winSetupGestures();
-#endif
-    }
-
-    if (newGestureTarget && newGestureTarget->isWidgetType()) {
-        QWidget *w = static_cast<QWidget*>(newGestureTarget);
-        QApplicationPrivate::instance()->widgetGestures[w].swipe = q;
-#if defined(Q_WS_WIN)
-        qt_widget_private(w)->winSetupGestures();
-#endif
-    }
-    QGesturePrivate::setupGestureTarget(newGestureTarget);
-}
-
-/*!
-  \property QSwipeGesture::swipeAngle
-
-  Holds the angle of the swipe gesture, 0..360.
-*/
-qreal QSwipeGesture::swipeAngle() const
-{
-    Q_D(const QSwipeGesture);
-    return d->swipeAngle;
-}
-
-/*!
-  \property QSwipeGesture::horizontalDirection
-
-  Holds the direction for the horizontal component of the swipe
-  gesture, SwipeDirection::Left or SwipeDirection::Right.
-  SwipeDirection::NoDirection if there is no horizontal
-  component to the swipe gesture.
-*/
-QSwipeGesture::SwipeDirection QSwipeGesture::horizontalDirection() const
-{
-    Q_D(const QSwipeGesture);
-    if (d->swipeAngle < 0 || d->swipeAngle == 90 || d->swipeAngle == 270)
-        return QSwipeGesture::NoDirection;
-    else if (d->swipeAngle < 90 || d->swipeAngle > 270)
-        return QSwipeGesture::Right;
-    else
-        return QSwipeGesture::Left;
-}
-
-
-/*!
-  \property QSwipeGesture::verticalDirection
-
-  Holds the direction for the vertical component of the swipe
-  gesture, SwipeDirection::Down or SwipeDirection::Up.
-  SwipeDirection::NoDirection if there is no vertical
-  component to the swipe gesture.
-*/
-QSwipeGesture::SwipeDirection QSwipeGesture::verticalDirection() const
-{
-    Q_D(const QSwipeGesture);
-    if (d->swipeAngle <= 0 || d->swipeAngle == 180)
-        return QSwipeGesture::NoDirection;
-    else if (d->swipeAngle < 180)
-        return QSwipeGesture::Up;
-    else
-        return QSwipeGesture::Down;
-}
-
-bool QSwipeGesture::eventFilter(QObject *receiver, QEvent *event)
-{
-    Q_D(QSwipeGesture);
-    if (receiver->isWidgetType() && event->type() == QEvent::NativeGesture) {
-        QNativeGestureEvent *ev = static_cast<QNativeGestureEvent*>(event);
-        switch (ev->gestureType) {
-        case QNativeGestureEvent::Swipe:
-            d->swipeAngle = ev->angle;
-            updateState(Qt::GestureStarted);
-            updateState(Qt::GestureUpdated);
-            updateState(Qt::GestureFinished);
-            break;
-        default:
-            return false;
-        }
-        return true;
-    }
-    return QGesture::eventFilter(receiver, event);
-}
-
-/*! \internal */
-bool QSwipeGesture::filterEvent(QEvent *)
-{
-    return false;
-}
-
-/*! \internal */
-void QSwipeGesture::reset()
-{
-    Q_D(QSwipeGesture);
-    d->swipeAngle = -1;
-    QGesture::reset();
+    return QGestureRecognizer::Ignore;
 }
+    */
 
 QT_END_NAMESPACE
-
-#include "moc_qstandardgestures.cpp"
-