More statechange debugging

1 files changed, 12 insertions, 0 deletions

diff --git a/src/declarative/util/qmltransitionmanager.cpp b/src/declarative/util/qmltransitionmanager.cpp
index 5527fe5..bb935d0 100644
--- a/src/declarative/util/qmltransitionmanager.cpp
+++ b/src/declarative/util/qmltransitionmanager.cpp
@@ -44,9 +44,12 @@
 #include "qmlstate_p_p.h"
 
 #include <qmlbinding.h>
+#include <qmlglobal_p.h>
 
 QT_BEGIN_NAMESPACE
 
+DEFINE_BOOL_CONFIG_OPTION(stateChangeDebug, STATECHANGE_DEBUG);
+
 class QmlTransitionManagerPrivate
 {
 public:
@@ -238,6 +241,15 @@ void QmlTransitionManager::transition(const QList<Action> &list,
             action.property.write(action.toValue);
         }
     }
+    if (stateChangeDebug()) {
+        foreach(const Action &action, applyList) {
+            if (action.event)
+                qWarning() << "    No transition for event:" << action.event->typeName();
+            else
+                qWarning() << "    No transition for:" << action.property.object()
+                           << action.property.name() << action.fromValue << action.toValue;
+        }
+    }
     if (!transition)
         d->applyBindings();
 }