[Effect Keyframes] Fix "apply current value" uses wrong position

src/assets/keyframes/model/keyframemodellist.cpp

@@ -397,6 +397,13 @@ QVariant KeyframeModelList::getInterpolatedValue(int pos, const QPersistentModel
     return m_parameters.at(index)->getInterpolatedValue(pos);
 }
 
+QVariant KeyframeModelList::getInterpolatedValue(const GenTime &pos, const QPersistentModelIndex &index) const
+{
+    READ_LOCK();
+    Q_ASSERT(m_parameters.count(index) > 0);
+    return m_parameters.at(index)->getInterpolatedValue(pos);
+}
+
 KeyframeModel *KeyframeModelList::getKeyModel()
 {
     if (m_inTimelineIndex.isValid()) {

src/assets/keyframes/model/keyframemodellist.hpp

@@ -115,6 +115,11 @@ public:
        @param pos is the position where we interpolate
        @param index is the index of the queried parameter. */
     QVariant getInterpolatedValue(int pos, const QPersistentModelIndex &index) const;
+    /** @brief Return the interpolated value of a parameter.
+       @param pos is the position where we interpolate
+       @param index is the index of the queried parameter. */
+    QVariant getInterpolatedValue(const GenTime &pos, const QPersistentModelIndex &index) const;
+
 
     /** @brief Load keyframes from the current parameter value. */
     void refresh();

src/assets/keyframes/view/keyframeview.cpp

@@ -810,7 +810,7 @@ void KeyframeView::copyCurrentValue(QModelIndex ix, const  QString paramName)
     auto *parentCommand = new QUndoCommand();
     bool multiParams = paramName.contains(QLatin1Char(' '));
     for (int &kfrIx : m_model->selectedKeyframes()) {
-        QString oldValue = m_model->getInterpolatedValue(kfrIx, ix).toString();
+        QString oldValue = m_model->getInterpolatedValue(m_model->getPosAtIndex(kfrIx), ix).toString();
         QStringList oldVals = oldValue.split(QLatin1Char(' '));
         bool found = false;
         if (paramName.contains(QLatin1String("spinX"))) {