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 +1,35 @@
+#include "nodeview.h"
+
+#include <QWheelEvent>
+#include <QDebug>
+
+NodeView::NodeView(QGraphicsScene *scene, QWidget *parent) :
+  QGraphicsView(scene, parent),
+  hand_moving_(false)
+{
+  setMouseTracking(true);
+  setWindowTitle(tr("Node Editor"));
+}
+
+void NodeView::mousePressEvent(QMouseEvent *event)
+{
+  QGraphicsView::mousePressEvent(event);
+}
+
+void NodeView::mouseMoveEvent(QMouseEvent *event)
+{
+  QGraphicsView::mouseMoveEvent(event);
+}
+
+void NodeView::mouseReleaseEvent(QMouseEvent *event)
+{
+}
+
+void NodeView::wheelEvent(QWheelEvent *event)
+{
+  if (event->angleDelta().y() > 0) {
+    scale(0.9, 0.9);
+  } else {
+    scale(1.1, 1.1);
+  }
+}