From 6293521a6e5ee0ce010180a40e6fda3ef3a8b245 Mon Sep 17 00:00:00 2001
From: Kent Hansen <khansen@trolltech.com>
Date: Tue, 28 Apr 2009 13:45:23 +0200
Subject: add animationsEnabled property

---
 src/corelib/statemachine/qstatemachine.cpp | 47 +++++++++++++++++++++++++-----
 src/corelib/statemachine/qstatemachine.h   |  6 ++++
 src/corelib/statemachine/qstatemachine_p.h |  2 ++
 3 files changed, 47 insertions(+), 8 deletions(-)

diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp
index 1434bc0..8d5317a 100644
--- a/src/corelib/statemachine/qstatemachine.cpp
+++ b/src/corelib/statemachine/qstatemachine.cpp
@@ -177,6 +177,14 @@ QT_BEGIN_NAMESPACE
     \brief the error string of this state machine
 */
 
+#ifndef QT_NO_ANIMATION
+/*!
+    \property QStateMachine::animationsEnabled
+
+    \brief whether animations are enabled
+*/
+#endif
+
 // #define QSTATEMACHINE_DEBUG
 
 QStateMachinePrivate::QStateMachinePrivate()
@@ -192,6 +200,9 @@ QStateMachinePrivate::QStateMachinePrivate()
 #ifndef QT_STATEMACHINE_SOLUTION
     signalEventGenerator = 0;
 #endif
+#ifndef QT_NO_ANIMATION
+    animationsEnabled = true;
+#endif
 }
 
 QStateMachinePrivate::~QStateMachinePrivate()
@@ -622,17 +633,19 @@ void QStateMachinePrivate::applyProperties(const QList<QAbstractTransition*> &tr
 
     // Find the animations to use for the state change.
     QList<QAbstractAnimation*> selectedAnimations;
-    for (int i = 0; i < transitionList.size(); ++i) {
-        QAbstractTransition *transition = transitionList.at(i);
+    if (animationsEnabled) {
+        for (int i = 0; i < transitionList.size(); ++i) {
+            QAbstractTransition *transition = transitionList.at(i);
 
-        selectedAnimations << transition->animations();
-        selectedAnimations << defaultAnimationsForSource.values(transition->sourceState());
+            selectedAnimations << transition->animations();
+            selectedAnimations << defaultAnimationsForSource.values(transition->sourceState());
 
-        QList<QAbstractState *> targetStates = transition->targetStates();
-        for (int j=0; j<targetStates.size(); ++j) 
-            selectedAnimations << defaultAnimationsForTarget.values(targetStates.at(j));
+            QList<QAbstractState *> targetStates = transition->targetStates();
+            for (int j=0; j<targetStates.size(); ++j) 
+                selectedAnimations << defaultAnimationsForTarget.values(targetStates.at(j));
+        }
+        selectedAnimations << defaultAnimations;
     }
-    selectedAnimations << defaultAnimations;     
 #else
     Q_UNUSED(transitionList);
 #endif
@@ -1866,6 +1879,24 @@ void QStateMachine::endMicrostep(QEvent *event)
 #ifndef QT_NO_ANIMATION
 
 /*!
+  Returns whether animations are enabled for this state machine.
+*/
+bool QStateMachine::animationsEnabled() const
+{
+    Q_D(const QStateMachine);
+    return d->animationsEnabled;
+}
+
+/*!
+  Sets whether animations are \a enabled for this state machine.
+*/
+void QStateMachine::setAnimationsEnabled(bool enabled)
+{
+    Q_D(QStateMachine);
+    d->animationsEnabled = enabled;
+}
+
+/*!
     Adds a default \a animation to be considered for any transition.
 */    
 void QStateMachine::addDefaultAnimation(QAbstractAnimation *animation)
diff --git a/src/corelib/statemachine/qstatemachine.h b/src/corelib/statemachine/qstatemachine.h
index 9a7a6fc..3ad215b 100644
--- a/src/corelib/statemachine/qstatemachine.h
+++ b/src/corelib/statemachine/qstatemachine.h
@@ -74,6 +74,9 @@ class Q_CORE_EXPORT QStateMachine : public QObject
     Q_PROPERTY(QString errorString READ errorString)
     Q_PROPERTY(RestorePolicy globalRestorePolicy READ globalRestorePolicy WRITE setGlobalRestorePolicy)
     Q_ENUMS(RestorePolicy)
+#ifndef QT_NO_ANIMATION
+    Q_PROPERTY(bool animationsEnabled READ animationsEnabled WRITE setAnimationsEnabled)
+#endif
 public:
     enum RestorePolicy {
         DoNotRestoreProperties,
@@ -105,6 +108,9 @@ public:
     void clearError();
 
 #ifndef QT_NO_ANIMATION
+    bool animationsEnabled() const;
+    void setAnimationsEnabled(bool enabled);
+
     void addDefaultAnimation(QAbstractAnimation *animation);
     QList<QAbstractAnimation *> defaultAnimations() const;
     void removeDefaultAnimation(QAbstractAnimation *animation);
diff --git a/src/corelib/statemachine/qstatemachine_p.h b/src/corelib/statemachine/qstatemachine_p.h
index 323473d..bb58edc 100644
--- a/src/corelib/statemachine/qstatemachine_p.h
+++ b/src/corelib/statemachine/qstatemachine_p.h
@@ -179,6 +179,8 @@ public:
     QAbstractState *initialErrorStateForRoot;
 
 #ifndef QT_NO_ANIMATION
+    bool animationsEnabled;
+
     QPair<QList<QAbstractAnimation*>, QList<QAbstractAnimation*> >
         initializeAnimation(QAbstractAnimation *abstractAnimation, 
                             const QPropertyAssignment &prop);
-- 
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