1 files changed, 107 insertions, 0 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e186557..4b2fed7 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -109,6 +109,7 @@
 #include "private/qabstractscrollarea_p.h"
 
 #include "private/qgraphicssystem_p.h"
+#include "private/qgesturemanager_p.h"
 
 // widget/widget data creation count
 //#define QWIDGET_EXTRA_DEBUG
@@ -127,6 +128,8 @@ Q_GUI_EXPORT void qt_x11_set_global_double_buffer(bool enable)
 }
 #endif
 
+QString qt_getStandardGestureTypeName(Qt::GestureType);
+
 static inline bool qRectIntersects(const QRect &r1, const QRect &r2)
 {
     return (qMax(r1.left(), r2.left()) <= qMin(r1.right(), r2.right()) &&
@@ -7473,10 +7476,14 @@ bool QWidget::event(QEvent *event)
         case QEvent::MouseButtonRelease:
         case QEvent::MouseButtonDblClick:
         case QEvent::MouseMove:
+        case QEvent::TouchBegin:
+        case QEvent::TouchUpdate:
+        case QEvent::TouchEnd:
         case QEvent::ContextMenu:
 #ifndef QT_NO_WHEELEVENT
         case QEvent::Wheel:
 #endif
+        case QEvent::Gesture:
             return false;
         default:
             break;
@@ -7872,6 +7879,9 @@ bool QWidget::event(QEvent *event)
         d->needWindowChange = false;
         break;
 #endif
+    case QEvent::Gesture:
+        event->ignore();
+        break;
 #ifndef QT_NO_PROPERTIES
     case QEvent::DynamicPropertyChange: {
         const QByteArray &propName = static_cast<QDynamicPropertyChangeEvent *>(event)->propertyName();
@@ -10961,6 +10971,103 @@ QWindowSurface *QWidget::windowSurface() const
     return bs ? bs->windowSurface : 0;
 }
 
+/*!
+    \since 4.6
+
+    Subscribes the widget to the specified \a gesture type.
+
+    Returns the id of the gesture.
+
+    \sa releaseGesture(), setGestureEnabled()
+*/
+int QWidget::grabGesture(const QString &gesture)
+{
+    Q_D(QWidget);
+    int id = d->grabGesture(QGestureManager::instance()->makeGestureId(gesture));
+    if (d->extra && d->extra->proxyWidget)
+        d->extra->proxyWidget->QGraphicsItem::d_ptr->grabGesture(id);
+    return id;
+}
+
+int QWidgetPrivate::grabGesture(int gestureId)
+{
+    gestures << gestureId;
+    ++qApp->d_func()->grabbedGestures[QGestureManager::instance()->gestureNameFromId(gestureId)];
+    return gestureId;
+}
+
+bool QWidgetPrivate::releaseGesture(int gestureId)
+{
+    QApplicationPrivate *qAppPriv = qApp->d_func();
+    if (gestures.contains(gestureId)) {
+        QString name = QGestureManager::instance()->gestureNameFromId(gestureId);
+        Q_ASSERT(qAppPriv->grabbedGestures[name] > 0);
+        --qAppPriv->grabbedGestures[name];
+        gestures.remove(gestureId);
+        return true;
+    }
+    return false;
+}
+
+bool QWidgetPrivate::hasGesture(const QString &name) const
+{
+    QGestureManager *gm = QGestureManager::instance();
+    QSet<int>::const_iterator it = gestures.begin(),
+                               e = gestures.end();
+    for (; it != e; ++it) {
+        if (gm->gestureNameFromId(*it) == name)
+            return true;
+    }
+    return false;
+}
+
+/*!
+    \since 4.6
+
+    Subscribes the widget to the specified \a gesture type.
+
+    Returns the id of the gesture.
+
+    \sa releaseGesture(), setGestureEnabled()
+*/
+int QWidget::grabGesture(Qt::GestureType gesture)
+{
+    return grabGesture(qt_getStandardGestureTypeName(gesture));
+}
+
+/*!
+    \since 4.6
+
+    Unsubscribes the widget from a gesture, which is specified by the
+    \a gestureId.
+
+    \sa grabGesture(), setGestureEnabled()
+*/
+void QWidget::releaseGesture(int gestureId)
+{
+    Q_D(QWidget);
+    if (d->releaseGesture(gestureId)) {
+        if (d->extra && d->extra->proxyWidget)
+            d->extra->proxyWidget->QGraphicsItem::d_ptr->releaseGesture(gestureId);
+        QGestureManager::instance()->releaseGestureId(gestureId);
+    }
+}
+
+/*!
+    \since 4.6
+
+    If \a enable is true, the gesture with the given \a gestureId is
+    enabled; otherwise the gesture is disabled.
+
+    The id of the gesture is returned by the grabGesture().
+
+    \sa grabGesture(), releaseGesture()
+*/
+void QWidget::setGestureEnabled(int gestureId, bool enable)
+{
+    //###
+}
+
 void QWidgetPrivate::getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const
 {
     if (left)