add slow mode in private API for testing

this was suggested by Michael B

2 files changed, 8 insertions, 2 deletions

diff --git a/src/corelib/animation/qabstractanimation.cpp b/src/corelib/animation/qabstractanimation.cpp
index 3b98152301..93ac840984 100644
--- a/src/corelib/animation/qabstractanimation.cpp
+++ b/src/corelib/animation/qabstractanimation.cpp
@@ -165,8 +165,8 @@ Q_GLOBAL_STATIC(QThreadStorage<QUnifiedTimer *>, unifiedTimer)
 
 QUnifiedTimer::QUnifiedTimer() :
     QObject(), lastTick(0), timingInterval(DEFAULT_TIMER_INTERVAL),
-    currentAnimationIdx(0), consistentTiming(false), isPauseTimerActive(false),
-    runningLeafAnimations(0)
+    currentAnimationIdx(0), consistentTiming(false), slowMode(false),
+    isPauseTimerActive(false), runningLeafAnimations(0)
 {
 }
 
@@ -193,6 +193,8 @@ void QUnifiedTimer::updateAnimationsTime()
     // ignore consistentTiming in case the pause timer is active
     const int delta = (consistentTiming && !isPauseTimerActive) ?
                         timingInterval : time.elapsed() - lastTick;
+    if slowMode)
+        delta /= 5;
     lastTick = time.elapsed();
 
     //we make sure we only call update time if the time has actually changed
diff --git a/src/corelib/animation/qabstractanimation_p.h b/src/corelib/animation/qabstractanimation_p.h
index f989bce269..720e68d193 100644
--- a/src/corelib/animation/qabstractanimation_p.h
+++ b/src/corelib/animation/qabstractanimation_p.h
@@ -138,6 +138,9 @@ public:
     */
     void setConsistentTiming(bool consistent) { consistentTiming = consistent; }
 
+    //this facilitates fine-tuning of complex animations
+    void setSlowModeEnabled(bool enabled) { slowMode = enabled; }
+
     /*
         this is used for updating the currentTime of all animations in case the pause
         timer is active or, otherwise, only of the animation passed as parameter.
@@ -164,6 +167,7 @@ private:
     int timingInterval;
     int currentAnimationIdx;
     bool consistentTiming;
+    bool slowMode;
     // bool to indicate that only pause animations are active
     bool isPauseTimerActive;