EffectComposer: Add 'reset' button for values

Task-number: QDS-11719
Change-Id: Ia03366bf109427fbcfe5cc1d4f68ae97fa8dc256
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

src/plugins/effectcomposer/effectcomposeruniformsmodel.cpp

@@ -59,7 +59,9 @@ bool EffectComposerUniformsModel::setData(const QModelIndex &index, const QVaria
         int idx = value.toString().indexOf("file:");
 
         QString path = idx > 0 ? updatedValue.right(updatedValue.size() - idx - 5) : updatedValue;
-        updatedValue = QUrl::fromLocalFile(path).toString();
+
+        if (idx == -1)
+            updatedValue = QUrl::fromLocalFile(path).toString();
 
         uniform->setValue(updatedValue);
         g_propertyData.insert(uniform->name(), updatedValue);
@@ -73,6 +75,14 @@ bool EffectComposerUniformsModel::setData(const QModelIndex &index, const QVaria
     return true;
 }
 
+bool EffectComposerUniformsModel::resetData(int row)
+{
+    QModelIndex idx = index(row, 0);
+    QTC_ASSERT(idx.isValid(), return false);
+
+    return setData(idx, idx.data(DefaultValueRole), ValueRole);
+}
+
 void EffectComposerUniformsModel::resetModel()
 {
     beginResetModel();

src/plugins/effectcomposer/effectcomposeruniformsmodel.h

@@ -20,6 +20,7 @@ public:
     int rowCount(const QModelIndex & parent = QModelIndex()) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     bool setData(const QModelIndex &index, const QVariant &value, int role) override;
+    Q_INVOKABLE bool resetData(int row);
 
     void resetModel();
 

src/plugins/effectcomposer/uniform.cpp

@@ -94,7 +94,13 @@ void Uniform::setValue(const QVariant &newValue)
 {
     if (m_value != newValue) {
         m_value = newValue;
+
         emit uniformValueChanged();
+
+        if (m_type == Type::Sampler) {
+            m_backendValue->setValue(newValue);
+            emit uniformBackendValueChanged();
+        }
     }
 }