Use QEasing instead of Bezier to paint the curve segments

This way "failure state" is reflected in the appearance of the curve item

Change-Id: I997f86f1a6072eaf65c77f2df0afd53a80dc0d0e
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/plugins/qmldesigner/components/timelineeditor/animationcurveeditormodel.cpp b/src/plugins/qmldesigner/components/timelineeditor/animationcurveeditormodel.cpp
index d37be1cd35..35b89f6f17 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/animationcurveeditormodel.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/animationcurveeditormodel.cpp
@@ -206,6 +206,13 @@ std::vector<DesignTools::Keyframe> resolveSmallCurves(
             QEasingCurve curve = frame.data().toEasingCurve();
             if (curve.toCubicSpline().count() == 3) {
                 DesignTools::Keyframe &previous = out.back();
+#if 0
+                // Do not resolve when two adjacent keyframes have the same value.
+                if (qFuzzyCompare(previous.position().y(), frame.position().y())) {
+                    out.push_back(frame);
+                    continue;
+                }
+#endif
                 DesignTools::AnimationCurve acurve(curve, previous.position(), frame.position());
                 previous.setRightHandle(acurve.keyframeAt(0).rightHandle());
                 out.push_back(acurve.keyframeAt(1));