began node work

2019-04-08 14:13:08 +10:00
parent 8e3d664061
commit 3e1c857de4
13 changed files with 189 additions and 2 deletions
@@ -0,0 +1,23 @@
+#ifndef NODEVIEW_H
+#define NODEVIEW_H
+
+#include <QGraphicsView>
+
+class NodeView : public QGraphicsView {
+  Q_OBJECT
+public:
+  NodeView(QGraphicsScene *scene, QWidget* parent = nullptr);
+
+protected:
+  virtual void mousePressEvent(QMouseEvent *event) override;
+  virtual void mouseMoveEvent(QMouseEvent *event) override;
+  virtual void mouseReleaseEvent(QMouseEvent *event) override;
+  virtual void wheelEvent(QWheelEvent *event) override;
+
+private:
+  bool hand_moving_;
+  QPoint drag_start_;
+
+};
+
+#endif // NODEVIEW_H