implemented value node

Also implements changes necessary to support an input data type that changes. Much of that foundation was built in `nodearchchanges`, but hadn't been finalized. This commit finalizes and provides a reference implementation/test with the "Value" node. Fixes #1443
2021-04-12 16:37:26 +10:00
parent 6d0e188393
commit 893adc3d72
15 changed files with 293 additions and 14 deletions
@@ -0,0 +1,81 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2020 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "valuenode.h"
+
+namespace olive {
+
+const QString ValueNode::kTypeInput = QStringLiteral("type_in");
+const QString ValueNode::kValueInput = QStringLiteral("value_in");
+const QVector<NodeValue::Type> ValueNode::kSupportedTypes = {
+  NodeValue::kFloat,
+  NodeValue::kInt,
+  NodeValue::kRational,
+  NodeValue::kVec2,
+  NodeValue::kVec3,
+  NodeValue::kVec4,
+  NodeValue::kColor,
+  NodeValue::kText,
+  NodeValue::kMatrix,
+  NodeValue::kFont,
+};
+
+#define super Node
+
+ValueNode::ValueNode()
+{
+  AddInput(kTypeInput, NodeValue::kCombo, 0, InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
+
+  AddInput(kValueInput, kSupportedTypes.first(), QVariant(), InputFlags(kInputFlagNotConnectable));
+}
+
+void ValueNode::Retranslate()
+{
+  SetInputName(kTypeInput, QStringLiteral("Type"));
+  SetInputName(kValueInput, QStringLiteral("Value"));
+
+  QStringList type_names;
+  type_names.reserve(kSupportedTypes.size());
+  foreach (NodeValue::Type type, kSupportedTypes) {
+    type_names.append(NodeValue::GetPrettyDataTypeName(type));
+  }
+  SetComboBoxStrings(kTypeInput, type_names);
+}
+
+NodeValueTable ValueNode::Value(const QString &output, NodeValueDatabase &value) const
+{
+  Q_UNUSED(output)
+
+  // Pop combobox value off table because no other node will need it
+  value[kTypeInput].Take(NodeValue::kCombo);
+
+  return value.Merge();
+}
+
+void ValueNode::InputValueChangedEvent(const QString &input, int element)
+{
+  if (input == kTypeInput) {
+    SetInputDataType(kValueInput, kSupportedTypes.at(GetStandardValue(kTypeInput).toInt()));
+  }
+
+  super::InputValueChangedEvent(input, element);
+}
+
+}