From ba7485012033b0447a9e77d5612db734f9dcffd6 Mon Sep 17 00:00:00 2001
From: Denis Dzyubenko <denis.dzyubenko@nokia.com>
Date: Mon, 27 Apr 2009 14:06:23 +0200
Subject: Fixed gesture event propagation and offset translation.

---
 src/gui/kernel/qapplication.cpp    | 39 ++++++++++++++++++++------------------
 src/gui/kernel/qgesture.h          |  1 +
 src/gui/kernel/qgesturemanager.cpp | 23 +---------------------
 3 files changed, 23 insertions(+), 40 deletions(-)

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 39aeaa6..ebd62e6 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -4032,27 +4032,30 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
 
     case QEvent::Gesture: {
         QWidget *w = static_cast<QWidget*>(receiver);
-        QGestureEvent *g = static_cast<QGestureEvent*>(e);
-        bool eventAccepted = g->isAccepted();
-        // Q_ASSERT(g->gesture() != 0);
-        // const QGesture &gesture = *g->gesture();
-        QPoint relPos(0,0);
+        QGestureEvent *ge = static_cast<QGestureEvent*>(e);
+        QSet<QString> eventGestures;
+        foreach(const QString &gesture, ge->gestureTypes())
+            eventGestures << gesture;
+        bool eventAccepted = ge->isAccepted();
+
+        QPoint offset;
         while (w) {
-            // QGesture qge(gesture.gestureType(), gesture.startPos()+relPos, gesture.lastPos()+relPos,
-            //              gesture.currentPos()+relPos, gesture.direction(), gesture.rect().translated(relPos),
-            //              gesture.hotSpot()+relPos, gesture.state(), gesture.startTime());
-            // QGestureEvent ge(&qge, false);
-            // ### TODO: fix widget-relative positions in gesture event.
-            QGestureEvent ge = *g;
-            ge.spont = g->spontaneous();
-            res = d->notify_helper(w, w == receiver ? g : &ge);
-            g->spont = false;
-            eventAccepted = (w == receiver ? g : &ge)->isAccepted();
-            if (res && eventAccepted)
-                break;
+            QSet<int> widgetGestures = w->d_func()->gestures;
+            foreach(int gestureId, widgetGestures) {
+                if (eventGestures.contains(QGestureManager::instance()->gestureNameFromId(gestureId))) {
+                    foreach(QGesture *gesture, ge->gestures())
+                        gesture->translate(offset);
+                    offset = QPoint();
+                    res = d->notify_helper(w, ge);
+                    ge->spont = false;
+                    eventAccepted = ge->isAccepted();
+                    if (res && eventAccepted)
+                        break;
+                }
+            }
             if (w->isWindow())
                 break;
-            relPos += w->pos();
+            offset += w->pos();
             w = w->parentWidget();
         }
         break;
diff --git a/src/gui/kernel/qgesture.h b/src/gui/kernel/qgesture.h
index 2a92588..da1bc90 100644
--- a/src/gui/kernel/qgesture.h
+++ b/src/gui/kernel/qgesture.h
@@ -101,6 +101,7 @@ protected:
 
 private:
     friend class QGestureManager;
+    friend class QApplication;
     friend class QGestureRecognizerPan;
     friend class QDoubleTapGestureRecognizer;
     friend class QTapAndHoldGestureRecognizer;
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 994b2b6..b5b8fb8 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -482,28 +482,7 @@ void QGestureManager::recognizerStateChanged(QGestureRecognizer::Result result)
 
 bool QGestureManager::sendGestureEvent(QWidget *receiver, QGestureEvent *event)
 {
-    QSet<QString> eventGestures;
-    foreach(const QString &gesture, event->gestureTypes())
-        eventGestures << gesture;
-
-    QPoint offset;
-    bool found = false;
-    while (receiver) {
-        QSet<int> widgetGestures = receiver->d_func()->gestures;
-        foreach(int gestureId, widgetGestures) {
-            if (eventGestures.contains(gestureNameFromId(gestureId))) {
-                found = true;
-                break;
-            }
-        }
-        if (found)
-            break;
-        offset += receiver->pos();
-        receiver = receiver->parentWidget();
-    }
-    foreach(QGesture *gesture, event->gestures())
-        gesture->translate(offset);
-    return receiver ? qt_sendSpontaneousEvent(receiver, event) : false;
+    return qt_sendSpontaneousEvent(receiver, event);
 }
 
 int QGestureManager::eventDeliveryDelay() const
-- 
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