Make the new examples for effects use the Qt Animation Framework

Task-number: QTBUG-5640
Reviewed-by: Leo

2 files changed, 12 insertions, 11 deletions

diff --git a/examples/effects/fademessage/fademessage.cpp b/examples/effects/fademessage/fademessage.cpp
index 818d00f..a65c748 100644
--- a/examples/effects/fademessage/fademessage.cpp
+++ b/examples/effects/fademessage/fademessage.cpp
@@ -43,7 +43,7 @@
 
 #include <QtGui>
 
-FadeMessage::FadeMessage(QWidget *parent): QGraphicsView(parent), m_index(0.0)
+FadeMessage::FadeMessage(QWidget *parent): QGraphicsView(parent)
 {
     setScene(&m_scene);
     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
@@ -51,9 +51,12 @@ FadeMessage::FadeMessage(QWidget *parent): QGraphicsView(parent), m_index(0.0)
 
     setupScene();
 
-    m_timeLine = new QTimeLine(500, this);
-    m_timeLine->setCurveShape(QTimeLine::EaseInOutCurve);
-    connect(m_timeLine, SIGNAL(valueChanged(qreal)), m_effect, SLOT(setStrength(qreal)));
+    m_animation = new QPropertyAnimation(m_effect, "strength", this);
+    m_animation->setDuration(500);
+    m_animation->setEasingCurve(QEasingCurve::InOutSine);
+    m_animation->setStartValue(0);
+    m_animation->setEndValue(1);
+
 
     setRenderHint(QPainter::Antialiasing, true);
     setFrameStyle(QFrame::NoFrame);
@@ -63,13 +66,12 @@ void FadeMessage::togglePopup()
 {
     if (m_message->isVisible()) {
         m_message->setVisible(false);
-        m_timeLine->setDirection(QTimeLine::Backward);
-        m_timeLine->start();
+        m_animation->setDirection(QAbstractAnimation::Backward);
     } else {
         m_message->setVisible(true);
-        m_timeLine->setDirection(QTimeLine::Forward);
-        m_timeLine->start();
+        m_animation->setDirection(QAbstractAnimation::Forward);
     }
+    m_animation->start();
 }
 
 void FadeMessage::setupScene()
diff --git a/examples/effects/fademessage/fademessage.h b/examples/effects/fademessage/fademessage.h
index 34e2fb8..e73ef6b 100644
--- a/examples/effects/fademessage/fademessage.h
+++ b/examples/effects/fademessage/fademessage.h
@@ -44,7 +44,7 @@
 
 #include <QGraphicsEffect>
 #include <QGraphicsView>
-#include <QTimeLine>
+#include <QPropertyAnimation>
 
 #include "fademessage.h"
 
@@ -62,11 +62,10 @@ private slots:
     void togglePopup();
 
 private:
-    qreal m_index;
     QGraphicsScene m_scene;
     QGraphicsColorizeEffect *m_effect;
     QGraphicsItem *m_message;
-    QTimeLine *m_timeLine;
+    QPropertyAnimation *m_animation;
 };
 
 #endif // FADEMESSAGE_H