From dd6080ceac38c84581c89c77eb0d7d8285b55c94 Mon Sep 17 00:00:00 2001
From: Shawn Rutledge <shawn.rutledge@digia.com>
Date: Thu, 21 Aug 2014 15:30:41 +0200
Subject: [PATCH] Debug logging support for QNativeGestureEvent

The most useful information is what kind of gesture the event
represents, but it was missing until now.

Also added a line of documentation about the NativeGesture event type.

Change-Id: I1ba3c951dcc5751e937d762d9b647ab0bf8d93b8
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>
---
 src/corelib/global/qnamespace.h   | 1 +
 src/corelib/kernel/qcoreevent.cpp | 1 +
 src/gui/kernel/qevent.cpp         | 9 ++++++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 485193b071..0da868602c 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -98,6 +98,7 @@ Qt {
 #ifndef QT_NO_GESTURES
     Q_ENUMS(GestureState)
     Q_ENUMS(GestureType)
+    Q_ENUMS(NativeGestureType)
 #endif
     Q_ENUMS(CursorMoveStyle)
     Q_ENUMS(TimerType)
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index 8d5a39115a..bc54a2ae74 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -184,6 +184,7 @@ QT_BEGIN_NAMESPACE
     \value MouseMove                        Mouse move (QMouseEvent).
     \value MouseTrackingChange              The mouse tracking state has changed.
     \value Move                             Widget's position changed (QMoveEvent).
+    \value NativeGesture                    The system has detected a gesture (QNativeGestureEvent).
     \value OrientationChange                The screens orientation has changes (QScreenOrientationChangeEvent)
     \value Paint                            Screen update necessary (QPaintEvent).
     \value PaletteChange                    Palette of the widget changed.
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index 1b853411f8..29f9c35356 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -3595,6 +3595,12 @@ public:
         static const int enumIdx = QObject::staticQtMetaObject.indexOfEnumerator("FocusReason");
         return QObject::staticQtMetaObject.enumerator(enumIdx).valueToKey(reason);
     }
+
+    static const char *nativeGestureTypeToString(Qt::NativeGestureType type)
+    {
+        static const int enumIdx = QObject::staticQtMetaObject.indexOfEnumerator("NativeGestureType");
+        return QObject::staticQtMetaObject.enumerator(enumIdx).valueToKey(type);
+    }
 };
 } // namespace
 
@@ -3775,7 +3781,8 @@ QDebug operator<<(QDebug dbg, const QEvent *e)
 #  ifndef QT_NO_GESTURES
     case QEvent::NativeGesture: {
         const QNativeGestureEvent *ne = static_cast<const QNativeGestureEvent *>(e);
-        dbg << "QNativeGestureEvent(localPos=" << ne->localPos() << ", value=" << ne->value() << ')';
+        dbg << "QNativeGestureEvent(" << DebugHelper::nativeGestureTypeToString(ne->gestureType())
+            << "localPos=" << ne->localPos() << ", value=" << ne->value() << ')';
     }
          break;
 #  endif // !QT_NO_GESTURES