Keyframes widget: add option to copy values at cursor pos to clipboard

BUG: 439284

src/assets/model/assetparametermodel.cpp

@@ -835,6 +835,64 @@ QJsonDocument AssetParameterModel::toJson(bool includeFixed) const
     return QJsonDocument(list);
 }
 
+QJsonDocument AssetParameterModel::valueAsJson(int pos, bool includeFixed) const
+{
+    QJsonArray list;
+    if(!m_keyframes) {
+        return QJsonDocument(list);
+    }
+
+    if (includeFixed) {
+        for (const auto &fixed : m_fixedParams) {
+            QJsonObject currentParam;
+            QModelIndex ix = index(m_rows.indexOf(fixed.first), 0);
+            auto value = m_keyframes->getInterpolatedValue(pos, ix);
+            currentParam.insert(QLatin1String("name"), QJsonValue(fixed.first));
+            currentParam.insert(QLatin1String("value"), QJsonValue(QStringLiteral("0=%1").arg(value.type() == QVariant::Double ? QString::number(value.toDouble()) : value.toString())));
+            int type = data(ix, AssetParameterModel::TypeRole).toInt();
+            double min = data(ix, AssetParameterModel::MinRole).toDouble();
+            double max = data(ix, AssetParameterModel::MaxRole).toDouble();
+            double factor = data(ix, AssetParameterModel::FactorRole).toDouble();
+            if (factor > 0) {
+                min /= factor;
+                max /= factor;
+            }
+            currentParam.insert(QLatin1String("type"), QJsonValue(type));
+            currentParam.insert(QLatin1String("min"), QJsonValue(min));
+            currentParam.insert(QLatin1String("max"), QJsonValue(max));
+            currentParam.insert(QLatin1String("in"), QJsonValue(0));
+            currentParam.insert(QLatin1String("out"), QJsonValue(0));
+            list.push_back(currentParam);
+        }
+    }
+
+    for (const auto &param : m_params) {
+        if (!includeFixed && param.second.type != ParamType::KeyframeParam && param.second.type != ParamType::AnimatedRect) {
+            continue;
+        }
+        QJsonObject currentParam;
+        QModelIndex ix = index(m_rows.indexOf(param.first), 0);
+        auto value = m_keyframes->getInterpolatedValue(pos, ix);
+        currentParam.insert(QLatin1String("name"), QJsonValue(param.first));
+        currentParam.insert(QLatin1String("value"), QJsonValue(QStringLiteral("0=%1").arg(value.type() == QVariant::Double ? QString::number(value.toDouble()) : value.toString())));
+        int type = data(ix, AssetParameterModel::TypeRole).toInt();
+        double min = data(ix, AssetParameterModel::MinRole).toDouble();
+        double max = data(ix, AssetParameterModel::MaxRole).toDouble();
+        double factor = data(ix, AssetParameterModel::FactorRole).toDouble();
+        if (factor > 0) {
+            min /= factor;
+            max /= factor;
+        }
+        currentParam.insert(QLatin1String("type"), QJsonValue(type));
+        currentParam.insert(QLatin1String("min"), QJsonValue(min));
+        currentParam.insert(QLatin1String("max"), QJsonValue(max));
+        currentParam.insert(QLatin1String("in"), QJsonValue(0));
+        currentParam.insert(QLatin1String("out"), QJsonValue(0));
+        list.push_back(currentParam);
+    }
+    return QJsonDocument(list);
+}
+
 void AssetParameterModel::deletePreset(const QString &presetFile, const QString &presetName)
 {
     QJsonObject object;

src/assets/model/assetparametermodel.hpp

@@ -160,6 +160,9 @@ public:
     QVector<QPair<QString, QVariant>> getAllParameters() const;
     /** @brief Returns a json definition of the effect with all param values */
     QJsonDocument toJson(bool includeFixed = true) const;
+    /** @brief Returns the interpolated value at the given position with all param values as json*/
+    QJsonDocument valueAsJson(int pos, bool includeFixed = true) const;
+
     void savePreset(const QString &presetFile, const QString &presetName);
     void deletePreset(const QString &presetFile, const QString &presetName);
     const QStringList getPresetList(const QString &presetFile) const;

src/assets/view/widgets/keyframewidget.cpp

@@ -159,6 +159,8 @@ KeyframeWidget::KeyframeWidget(std::shared_ptr<AssetParameterModel> model, QMode
     // copy/paste keyframes from clipboard
     QAction *copy = new QAction(i18n("Copy keyframes to clipboard"), this);
     connect(copy, &QAction::triggered, this, &KeyframeWidget::slotCopyKeyframes);
+    QAction *copyValue = new QAction(i18n("Copy value at cursor position to clipboard"), this);
+    connect(copyValue, &QAction::triggered, this, &KeyframeWidget::slotCopyValueAtCursorPos);
     QAction *paste = new QAction(i18n("Import keyframes from clipboard"), this);
     connect(paste, &QAction::triggered, this, &KeyframeWidget::slotImportKeyframes);
     // Remove keyframes
@@ -195,6 +197,7 @@ KeyframeWidget::KeyframeWidget(std::shared_ptr<AssetParameterModel> model, QMode
     auto *container = new QMenu(this);
     container->addAction(seekKeyframe);
     container->addAction(copy);
+    container->addAction(copyValue);
     container->addAction(paste);
     container->addSeparator();
     container->addAction(kfType);
@@ -658,6 +661,16 @@ void KeyframeWidget::slotCopyKeyframes()
     clipboard->setText(QString(effectDoc.toJson()));
 }
 
+void KeyframeWidget::slotCopyValueAtCursorPos()
+{
+    QJsonDocument effectDoc = m_model->valueAsJson(getPosition(), false);
+    if (effectDoc.isEmpty()) {
+        return;
+    }
+    QClipboard *clipboard = QApplication::clipboard();
+    clipboard->setText(QString(effectDoc.toJson()));
+}
+
 void KeyframeWidget::slotImportKeyframes()
 {
     QClipboard *clipboard = QApplication::clipboard();

src/assets/view/widgets/keyframewidget.hpp

@@ -77,6 +77,7 @@ private slots:
     void slotEditKeyframeType(QAction *action);
     void slotUpdateKeyframesFromMonitor(const QPersistentModelIndex &index, const QVariant &res);
     void slotCopyKeyframes();
+    void slotCopyValueAtCursorPos();
     void slotImportKeyframes();
     void slotRemoveNextKeyframes();
     void slotSeekToKeyframe(int ix);