nodeview: made an "infinite scroller"

Set scene rect to huge and hid the scrollbars. The node view should be scrolled with middle click or the hand tool.
2020-06-16 16:31:16 +10:00
parent 62c23e8ed1
commit e979ce4d7a
1 changed files with 4 additions and 1 deletions
@@ -53,7 +53,10 @@ NodeView::NodeView(QWidget *parent) :

  SetFlowDirection(NodeViewCommon::kTopToBottom);

-  scene_.setSceneRect(-100, -100, 200, 200);
+  // Set massive scene rect and hide the scrollbars to create an "infinite space" effect
+  scene_.setSceneRect(-1000000, -1000000, 2000000, 2000000);
+  setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 }

 NodeView::~NodeView()