From 8db1aedc017bf0f9a96728bf6e354dc37d8d13e4 Mon Sep 17 00:00:00 2001
From: Richard Moe Gustavsen <richard.gustavsen@nokia.com>
Date: Wed, 19 Aug 2009 13:32:23 +0200
Subject: Carbon and Cocoa: Adding support for standard gestures.

---
 src/gui/kernel/qstandardgestures.cpp | 18 +++++++++++++++---
 src/gui/kernel/qwidget_mac.mm        |  2 +-
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp
index 47f3146..10689ba 100644
--- a/src/gui/kernel/qstandardgestures.cpp
+++ b/src/gui/kernel/qstandardgestures.cpp
@@ -172,8 +172,6 @@ bool QPanGesture::eventFilter(QObject *receiver, QEvent *event)
 bool QPanGesture::filterEvent(QEvent *event)
 {
     Q_D(QPanGesture);
-    if (!event->spontaneous())
-        return false;
     const QTouchEvent *ev = static_cast<const QTouchEvent*>(event);
     if (event->type() == QEvent::TouchBegin) {
         QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
@@ -329,10 +327,11 @@ bool QPinchGesture::event(QEvent *event)
 
 bool QPinchGesture::eventFilter(QObject *receiver, QEvent *event)
 {
-#ifdef Q_WS_WIN
+#if defined(Q_WS_WIN) || defined(Q_WS_MAC)
     Q_D(QPinchGesture);
     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));
@@ -340,7 +339,9 @@ bool QPinchGesture::eventFilter(QObject *receiver, QEvent *event)
             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
@@ -349,15 +350,22 @@ bool QPinchGesture::eventFilter(QObject *receiver, QEvent *event)
             d->scaleFactor = d->lastScaleFactor = 1;
             d->rotationAngle = d->lastRotationAngle = 0;
             d->startCenterPoint = d->centerPoint = d->lastCenterPoint = QPoint();
+#if defined(Q_WS_WIN)
             d->initialDistance = 0;
+#endif
             return false;
         case QNativeGestureEvent::Rotate:
             d->lastRotationAngle = d->rotationAngle;
+#if defined(Q_WS_WIN)
             d->rotationAngle = -1 * GID_ROTATE_ANGLE_FROM_ARGUMENT(ev->argument);
+#elif defined(Q_WS_MAC)
+            d->rotationAngle = ev->percentage;
+#endif
             nextState = Qt::GestureUpdated;
             event->accept();
             break;
         case QNativeGestureEvent::Zoom:
+#if defined(Q_WS_WIN)
             if (d->initialDistance != 0) {
                 d->lastScaleFactor = d->scaleFactor;
                 int distance = int(qint64(ev->argument));
@@ -365,6 +373,10 @@ bool QPinchGesture::eventFilter(QObject *receiver, QEvent *event)
             } else {
                 d->initialDistance = int(qint64(ev->argument));
             }
+#elif defined(Q_WS_MAC)
+            d->lastScaleFactor = d->scaleFactor;
+            d->scaleFactor = ev->percentage;
+#endif
             nextState = Qt::GestureUpdated;
             event->accept();
             break;
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 999faeb..71571e4 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -1055,7 +1055,7 @@ OSStatus QWidgetPrivate::qt_window_event(EventHandlerCallRef er, EventRef event,
                     handled_event = false;
                     break;
                 }
-                qNGEvent.gestureType = QNativeGestureEvent::Zoom;
+                qNGEvent.gestureType = QNativeGestureEvent::Rotate;
                 qNGEvent.percentage = float(amount);
                 break; }
             case kEventGestureSwipe: {
-- 
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