made node edge changes undoable

2019-07-17 00:14:49 -04:00
parent a78cc3950a
commit 39256fd6f9
15 changed files with 318 additions and 12 deletions
@@ -0,0 +1,38 @@
+#ifndef NODEVIEWUNDO_H
+#define NODEVIEWUNDO_H
+
+#include <QUndoCommand>
+
+#include "node/node.h"
+
+class NodeEdgeAddCommand : public QUndoCommand {
+public:
+  NodeEdgeAddCommand(NodeOutput* output, NodeInput* input, QUndoCommand* parent = nullptr);
+
+  virtual void redo() override;
+  virtual void undo() override;
+
+private:
+  NodeOutput* output_;
+  NodeInput* input_;
+
+  NodeEdgePtr old_edge_;
+
+  bool done_;
+};
+
+class NodeEdgeRemoveCommand : public QUndoCommand {
+public:
+  NodeEdgeRemoveCommand(NodeOutput* output, NodeInput* input, QUndoCommand* parent = nullptr);
+
+  virtual void redo() override;
+  virtual void undo() override;
+
+private:
+  NodeOutput* output_;
+  NodeInput* input_;
+
+  bool done_;
+};
+
+#endif // NODEVIEWUNDO_H