4 files changed, 14 insertions, 3 deletions
diff --git a/demos/sub-attaq/animationmanager.cpp b/demos/sub-attaq/animationmanager.cpp
index eb5a125..b3fc8e1 100644
--- a/demos/sub-attaq/animationmanager.cpp
+++ b/demos/sub-attaq/animationmanager.cpp
@@ -62,11 +62,18 @@ AnimationManager *AnimationManager::self()
 
 void AnimationManager::registerAnimation(QAbstractAnimation *anim)
 {
+    QObject::connect(anim, SIGNAL(destroyed(QObject*)), this, SLOT(unregisterAnimation_helper(QObject*)));
     animations.append(anim);
 }
 
+void AnimationManager::unregisterAnimation_helper(QObject *obj)
+{
+    unregisterAnimation(static_cast<QAbstractAnimation*>(obj));
+}
+
 void AnimationManager::unregisterAnimation(QAbstractAnimation *anim)
 {
+    QObject::disconnect(anim, SIGNAL(destroyed(QObject*)), this, SLOT(unregisterAnimation_helper(QObject*)));
     animations.removeAll(anim);
 }
 
diff --git a/demos/sub-attaq/animationmanager.h b/demos/sub-attaq/animationmanager.h
index 8db13eb..48d84d1 100644
--- a/demos/sub-attaq/animationmanager.h
+++ b/demos/sub-attaq/animationmanager.h
@@ -62,6 +62,9 @@ public slots:
     void pauseAll();
     void resumeAll();
 
+private slots:
+    void unregisterAnimation_helper(QObject *obj);
+
 private:
     static AnimationManager *instance;
     QList<QAbstractAnimation *> animations;
diff --git a/demos/sub-attaq/boat.cpp b/demos/sub-attaq/boat.cpp
index 0ad31b1..6fed9a9 100644
--- a/demos/sub-attaq/boat.cpp
+++ b/demos/sub-attaq/boat.cpp
@@ -62,7 +62,7 @@ static QAbstractAnimation *setupDestroyAnimation(Boat *boat)
     for (int i = 1; i <= 4; i++) {
         PixmapItem *step = new PixmapItem(QString("explosion/boat/step%1").arg(i),GraphicsScene::Big, boat);
         step->setZValue(6);
-        step->setOpacity(0); 
+        step->setOpacity(0);
 
         //fade-in
         QPropertyAnimation *anim = new QPropertyAnimation(step, "opacity");
@@ -92,10 +92,10 @@ Boat::Boat() : PixmapItem(QString("boat"), GraphicsScene::Big),
     //The movement animation used to animate the boat
     movementAnimation = new QPropertyAnimation(this, "pos");
 
-    //The movement animation used to animate the boat
+    //The destroy animation used to explode the boat
     destroyAnimation = setupDestroyAnimation(this);
 
-    //We setup the state machien of the boat
+    //We setup the state machine of the boat
     machine = new QStateMachine(this);
     QState *moving = new QState(machine);
     StopState *stopState = new StopState(this, moving);
diff --git a/demos/sub-attaq/graphicsscene.cpp b/demos/sub-attaq/graphicsscene.cpp
index e29095e..71d4fe7 100644
--- a/demos/sub-attaq/graphicsscene.cpp
+++ b/demos/sub-attaq/graphicsscene.cpp
@@ -278,4 +278,5 @@ void GraphicsScene::clearScene()
 
     boat->stop();
     boat->hide();
+    boat->setEnabled(true);
 }