Update the animation-curve-editor properly

Change-Id: Idc055c81ecd97f2473594dcf6a45a904d6691436
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/components/timelineeditor/animationcurveeditormodel.cpp

@@ -207,7 +207,7 @@ std::vector<DesignTools::Keyframe> resolveSmallCurves(
             if (curve.toCubicSpline().count() == 3) {
                 DesignTools::Keyframe &previous = out.back();
                 DesignTools::AnimationCurve acurve(curve, previous.position(), frame.position());
-                previous = acurve.keyframeAt(0);
+                previous.setRightHandle(acurve.keyframeAt(0).rightHandle());
                 out.push_back(acurve.keyframeAt(1));
                 continue;
             }

src/plugins/qmldesigner/components/timelineeditor/timelinetoolbar.cpp

@@ -29,12 +29,14 @@
 #include "timelinegraphicsscene.h"
 #include "timelineicons.h"
 
+#include "timelineview.h"
 #include "timelinewidget.h"
 
 #include <designeractionmanager.h>
 #include <nodelistproperty.h>
 #include <theme.h>
 #include <variantproperty.h>
+#include <qmlstate.h>
 #include <qmltimeline.h>
 #include <qmltimelinekeyframegroup.h>
 
@@ -125,6 +127,8 @@ void TimelineToolBar::reset()
 {
     if (recording())
         m_recording->setChecked(false);
+
+    m_curveModel->reset({});
 }
 
 bool TimelineToolBar::recording() const
@@ -222,6 +226,13 @@ void TimelineToolBar::removeTimeline(const QmlTimeline &timeline)
 
 void TimelineToolBar::openAnimationCurveEditor()
 {
+    QmlTimeline timeline;
+    if (auto *tlw = qobject_cast<TimelineWidget *>(parent())) {
+        if (auto *tlv = tlw->timelineView())
+            timeline = tlv->timelineForState(tlv->currentState());
+    }
+
+    m_curveModel->setTimeline(timeline);
     m_dialog.show();
 }
 

src/plugins/qmldesigner/components/timelineeditor/timelineview.cpp

@@ -106,6 +106,7 @@ void TimelineView::nodeAboutToBeRemoved(const ModelNode &removedNode)
                 m_timelineWidget->graphicsScene()->clearTimeline();
             if (lastId != currentId)
                 m_timelineWidget->setTimelineId(currentId);
+
         } else if (removedNode.parentProperty().isValid()
                    && QmlTimeline::isValidQmlTimeline(
                           removedNode.parentProperty().parentModelNode())) {
@@ -136,6 +137,10 @@ void TimelineView::nodeRemoved(const ModelNode & /*removedNode*/,
                parentProperty.parentModelNode())) {
         QmlTimelineKeyframeGroup frames(parentProperty.parentModelNode());
         m_timelineWidget->graphicsScene()->invalidateSectionForTarget(frames.target());
+        updateAnimationCurveEditor();
+    } else if (parentProperty.isValid()
+               && QmlTimeline::isValidQmlTimeline(parentProperty.parentModelNode())) {
+        updateAnimationCurveEditor();
     }
 }
 
@@ -150,14 +155,14 @@ void TimelineView::nodeReparented(const ModelNode &node,
         QmlTimelineKeyframeGroup frames(newPropertyParent.parentModelNode());
         m_timelineWidget->graphicsScene()->invalidateSectionForTarget(frames.target());
 
-        QmlTimeline currentTimeline = m_timelineWidget->graphicsScene()->currentTimeline();
-        if (currentTimeline.isValid() && propertyChange == AbstractView::NoAdditionalChanges)
-            m_timelineWidget->toolBar()->setCurrentTimeline(currentTimeline);
+        if (propertyChange == AbstractView::NoAdditionalChanges)
+            updateAnimationCurveEditor();
 
     } else if (QmlTimelineKeyframeGroup::checkKeyframesType(
                    node)) { /* During copy and paste type info might be incomplete */
         QmlTimelineKeyframeGroup frames(node);
         m_timelineWidget->graphicsScene()->invalidateSectionForTarget(frames.target());
+        updateAnimationCurveEditor();
     }
 }
 
@@ -194,10 +199,7 @@ void TimelineView::variantPropertiesChanged(const QList<VariantProperty> &proper
             if (QmlTimelineKeyframeGroup::isValidQmlTimelineKeyframeGroup(framesNode)) {
                 QmlTimelineKeyframeGroup frames(framesNode);
                 m_timelineWidget->graphicsScene()->invalidateKeyframesForTarget(frames.target());
-
-                QmlTimeline currentTimeline = m_timelineWidget->graphicsScene()->currentTimeline();
-                if (currentTimeline.isValid())
-                    m_timelineWidget->toolBar()->setCurrentTimeline(currentTimeline);
+                updateAnimationCurveEditor();
             }
         }
     }
@@ -209,9 +211,7 @@ void TimelineView::bindingPropertiesChanged(const QList<BindingProperty> &proper
     Q_UNUSED(propertyChange)
     for (const auto &property : propertyList) {
         if (property.name() == "easing.bezierCurve") {
-            QmlTimeline currentTimeline = m_timelineWidget->graphicsScene()->currentTimeline();
-            if (currentTimeline.isValid())
-                m_timelineWidget->toolBar()->setCurrentTimeline(currentTimeline);
+            updateAnimationCurveEditor();
         }
     }
 }
@@ -242,8 +242,10 @@ void TimelineView::propertiesRemoved(const QList<AbstractProperty> &propertyList
                     property.parentModelNode())) {
                 QmlTimelineKeyframeGroup frames(property.parentModelNode());
                 m_timelineWidget->graphicsScene()->invalidateSectionForTarget(frames.target());
+                updateAnimationCurveEditor();
             } else if (QmlTimeline::isValidQmlTimeline(property.parentModelNode())) {
                 m_timelineWidget->graphicsScene()->invalidateScene();
+                updateAnimationCurveEditor();
             }
         }
     }
@@ -630,4 +632,16 @@ void TimelineView::ensureQtQuickTimelineImport()
     }
 }
 
+void TimelineView::updateAnimationCurveEditor()
+{
+    if (!m_timelineWidget)
+        return;
+
+    QmlTimeline currentTimeline = timelineForState(currentState());
+    if (currentTimeline.isValid())
+        m_timelineWidget->toolBar()->setCurrentTimeline(currentTimeline);
+    else
+        m_timelineWidget->toolBar()->reset();
+}
+
 } // namespace QmlDesigner

src/plugins/qmldesigner/components/timelineeditor/timelineview.h

@@ -95,6 +95,7 @@ public:
     QmlModelState stateForTimeline(const QmlTimeline &timeline);
 
     void registerActions();
+    void updateAnimationCurveEditor();
 
 private:
     TimelineWidget *createWidget();

src/plugins/qmldesigner/components/timelineeditor/timelinewidget.cpp

@@ -441,7 +441,6 @@ void TimelineWidget::invalidateTimelineDuration(const QmlTimeline &timeline)
     if (timelineView() && timelineView()->model()) {
         QmlTimeline currentTimeline = graphicsScene()->currentTimeline();
         if (currentTimeline.isValid() && currentTimeline == timeline) {
-            m_toolbar->setCurrentTimeline(timeline);
             graphicsScene()->setTimeline(timeline);
             graphicsScene()->setCurrenFrame(timeline, getcurrentFrame(timeline));
         }