implement context item in node view

2021-11-10 16:33:59 -08:00
parent 010dd3a336
commit 9c650883c2
12 changed files with 347 additions and 11 deletions
@@ -0,0 +1,39 @@
+#ifndef NODEVIEWCONTEXT_H
+#define NODEVIEWCONTEXT_H
+
+#include <QGraphicsRectItem>
+#include <QGraphicsTextItem>
+
+#include "node/node.h"
+#include "nodeviewcommon.h"
+
+namespace olive {
+
+class NodeViewContext : public QGraphicsRectItem
+{
+public:
+  NodeViewContext(QGraphicsItem *item = nullptr);
+
+  void SetContext(Node *node);
+
+  void AddChild(Node *node);
+
+  void UpdateRect();
+
+  void SetFlowDirection(NodeViewCommon::FlowDirection dir);
+
+  virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
+
+protected:
+  virtual QVariant itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) override;
+
+private:
+  Node *context_;
+
+  QString lbl_;
+
+};
+
+}
+
+#endif // NODEVIEWCONTEXT_H